RESIDENTIAL FUNDING MORTGAGE SECURITIES I INC
424B5, 1996-09-25
ASSET-BACKED SECURITIES
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<PAGE>
<PAGE>
Prospectus Supplement
(To Prospectus dated June 21, 1996)
                                  $340,698,080
                RESIDENTIAL FUNDING MORTGAGE SECURITIES I, INC.
                                    COMPANY
                        RESIDENTIAL FUNDING CORPORATION
                                MASTER SERVICER
              MORTGAGE PASS-THROUGH CERTIFICATES, SERIES 1996-S20
 
<TABLE>
<C>           <C>                  <S>         <C>              <C>           <C>         <C>         <C>
$52,409,000         7.100%         CLASS A-1   CERTIFICATES     $29,566,000   7.750%      CLASS A-10  CERTIFICATES
$70,579,000         7.350%         CLASS A-2   CERTIFICATES     $ 9,918,000   7.750%      CLASS A-11  CERTIFICATES
$68,773,000         7.500%         CLASS A-3   CERTIFICATES     $ 4,755,000   7.750%      CLASS A-12  CERTIFICATES
$26,381,000   ADJUSTABLE RATE(1)   CLASS A-5   CERTIFICATES     $ 1,318,180   0.000%(3)   CLASS A-13  CERTIFICATES
$ 4,255,000   ADJUSTABLE RATE(2)   CLASS A-6   CERTIFICATES     $       100   7.750%      CLASS R-I   CERTIFICATES
$20,022,000         7.750%         CLASS A-7   CERTIFICATES     $       100   7.750%      CLASS R-II  CERTIFICATES
$12,014,000         7.750%         CLASS A-8   CERTIFICATES     $ 9,033,100   7.750%      CLASS M-1   CERTIFICATES
$20,835,000         7.750%         CLASS A-9   CERTIFICATES     $ 5,645,600   7.750%      CLASS M-2   CERTIFICATES
                                  $5,194,000   7.750%     CLASS M-3 CERTIFICATES
</TABLE>
 
- ------------
(1) The  Class  A-5 Certificates  will accrue  interest  (i) during  the initial
    Interest Accrual Period  (as defined  herein) at the  Pass-Through Rate  set
    forth  below and (ii) during each  subsequent Interest Accrual Period at the
    rate determined as set forth below:
 
<TABLE>
<CAPTION>
INITIAL PASS-    MAXIMUM PASS-     MINIMUM PASS-             FORMULA FOR CALCULATION
THROUGH RATE      THROUGH RATE      THROUGH RATE              OF PASS-THROUGH RATE
- -------------    --------------    --------------    ---------------------------------------
<S>              <C>               <C>               <C>
   6.8375%          9.0000%           1.4000%                    LIBOR + 1.4000%
</TABLE>
 
(2) The Class  A-6 Certificates  will  accrue interest  (i) during  the  initial
    Interest  Accrual Period at  the Pass-Through Rate set  forth below and (ii)
    during each subsequent Interest Accrual Period at the rate determined as set
    forth below:
 
<TABLE>
<CAPTION>
   INITIAL PASS-        MAXIMUM PASS-     MINIMUM PASS-             FORMULA FOR CALCULATION
   THROUGH RATE          THROUGH RATE      THROUGH RATE              OF PASS-THROUGH RATE
- -------------------     --------------    --------------    ---------------------------------------
<S>                     <C>               <C>               <C>
     13.4075%               47.12%           0.0000%                47.12% - (6.2 x LIBOR)
</TABLE>
 
(3) The Class A-13 Certificates will be Principal Only Certificates and will not
    be entitled to receive distributions of interest.
                                                   (Continued on following page)
 
PROCEEDS OF THE ASSETS IN THE TRUST FUND ARE THE SOLE SOURCE OF PAYMENTS ON  THE
 OFFERED CERTIFICATES. THE  OFFERED CERTIFICATES DO NOT REPRESENT  AN INTEREST
    IN OR OBLIGATION OF THE COMPANY, THE MASTER SERVICER,  GMAC  MORTGAGE OR
       ANY OF THEIR  AFFILIATES.  NEITHER  THE OFFERED  CERTIFICATES  NOR
          THE UNDERLYING  MORTGAGE  LOANS  ARE  INSURED OR GUARANTEED
              BY ANY GOVERNMENTAL  AGENCY OR  INSTRUMENTALITY OR BY
                 THE COMPANY, THE MASTER SERVICER, GMAC MORTGAGE
                           OR  ANY OF THEIR AFFILIATES.
                            ------------------------
THESE SECURITIES HAVE  NOT BEEN APPROVED  OR DISAPPROVED BY  THE SECURITIES  AND
  EXCHANGE COMMISSION  OR  ANY  STATE  SECURITIES  COMMISSION  NOR  HAS  THE
   SECURITIES AND EXCHANGE  COMMISSION  OR ANY STATE SECURITIES COMMISSION
      PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS SUPPLEMENT
           OR THE PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
                               CRIMINAL OFFENSE.
                            ------------------------
THE ATTORNEY GENERAL OF THE STATE OF NEW YORK HAS NOT PASSED ON OR ENDORSED THE
    MERITS OF THIS OFFERING. ANY REPRESENTATION TO THE CONTRARY IS UNLAWFUL.
                            ------------------------
    FOR A DISCUSSION OF SIGNIFICANT MATTERS AFFECTING INVESTMENTS IN THE OFFERED
CERTIFICATES, SEE 'RISK FACTORS' IN THE PROSPECTUS COMMENCING ON P. 8.
 
    There  is currently no secondary market for the Offered Certificates. Lehman
Brothers Inc. ('Lehman  Brothers') intends  to make  a secondary  market in  the
Offered Certificates (other than the Principal Only Certificates and the Class M
Certificates)  (the 'Lehman Underwritten Certificates'), but is not obligated to
do so.  There can  be  no assurance  that a  secondary  market for  the  Offered
Certificates  will develop or,  if it does  develop, that it  will continue. The
Offered Certificates will not be listed on any securities exchange.
    The Lehman Underwritten Certificates will  be purchased from the Company  by
Lehman  Brothers and will be offered by Lehman Brothers from time to time to the
public  in  negotiated  transactions  or  otherwise  at  varying  prices  to  be
determined  at the time of sale, except that  a de minimis portion of each class
of the Residual Certificates will be  retained by Residential Funding, and  such
portion  is not offered hereby. The proceeds to the Company from the sale of the
Lehman Underwritten  Certificates,  before  deducting expenses  payable  by  the
Company,  will  be  equal  to  approximately  99.77%  of  the  initial aggregate
principal balance of the Lehman Underwritten Certificates, plus accrued interest
thereon from September  1, 1996  (the 'Cut-off Date').  The Lehman  Underwritten
Certificates  are offered by Lehman Brothers subject to prior sale, when, as and
if delivered to  and accepted by  Lehman Brothers and  subject to certain  other
conditions.  Lehman Brothers  reserves the right  to withdraw,  cancel or modify
such offer and  to reject any  order in whole  or in part.  It is expected  that
delivery  of  the  Lehman  Underwritten Certificates  (other  than  the Residual
Certificates) will be made  only in book-entry form  through the Same Day  Funds
Settlement  System of DTC as discussed herein, and that delivery of the Residual
Certificates will  be made  at the  offices  of Lehman  Brothers Inc.,  3  World
Financial  Center, New York,  New York on  or about September  26, 1996, against
payment therefor in immediately available funds.
    The Class  M Certificates  (the 'RFSC  Underwritten Certificates')  will  be
offered  by Residential Funding Securities Corporation ('RFSC'), an affiliate of
the Company, on a best efforts basis, from time to time to the public,  directly
or through dealers, in negotiated transactions or otherwise at varying prices to
be  determined at  the time  of sale.  Neither the  Company, RFSC  nor any other
person or entity  intends to make  a secondary market  in the RFSC  Underwritten
Certificates.  The termination  date of  the offering  of the  RFSC Underwritten
Certificates is the earlier to occur of September 26, 1997 or the date on  which
all the RFSC Underwritten Certificates have been sold. Proceeds of such offering
will not be placed in any escrow, trust or similar arrangement.
    The  proceeds  to  the  Company  from  any  sale  of  the  RFSC Underwritten
Certificates will be equal to the purchase price paid by the purchaser  thereof,
net  of any expenses payable by the Company and any compensation payable to RFSC
and any  dealer.  The RFSC  Underwritten  Certificates are  offered  subject  to
receipt  and acceptance by RFSC, to prior sale and to RFSC's right to reject any
order in whole or in  part and to withdraw, cancel  or modify the offer  without
notice.  It is expected that delivery of the RFSC Underwritten Certificates will
be made  at  the office  of  Residential Funding  Securities  Corporation,  8400
Normandale  Lake Boulevard, Suite 700, Minneapolis,  Minnesota 55437 on or about
September 26, 1996, against payment therefor in immediately available funds.
    The Principal Only Certificates may be  offered by the Company from time  to
time  to the public, directly or through  an underwriter or agent, in negotiated
transactions or otherwise  at varying  prices to be  determined at  the time  of
sale.  Proceeds to the Company from any  sale of the Principal Only Certificates
will be equal to the  purchase price paid by the  purchaser thereof, net of  any
expenses  payable  by  the Company  and  any  compensation payable  to  any such
underwriter or agent.
                                LEHMAN BROTHERS
                               September 23, 1996
 
<PAGE>
<PAGE>
(Continued from previous page)
 
     The Series  1996-S20 Mortgage  Pass-Through Certificates  will include  the
following   fifteen  classes   (the  'Senior   Certificates'):  (i)   Class  A-1
Certificates and Class A-2 Certificates (collectively, the 'PAC  Certificates');
(ii)  Class  A-3 Certificates  (together with  the  Class A-4  Certificates, the
'Combination Certificates');  (iii)  Class A-4  Certificates  (the  'Combination
Super Senior Certificates'); (iv) Class A-5 Certificates (the 'Companion Floater
Certificates');  (v)  Class  A-6 Certificates  (the  'Companion  Inverse Floater
Certificates'; and  together with  the Class  A-5 Certificates,  the  'Companion
Certificates');  (vi) Class A-7 Certificates;  (vii) Class A-8 Certificates (the
'Lockout  Senior  Support  Certificates';  and  together  with  the  Class   A-7
Certificates,  the 'Lockout Certificates'); (viii) Class A-9 Certificates, Class
A-10 Certificates, Class  A-11 Certificates  and Class  A-12 Certificates;  (ix)
Class  A-13 Certificates (the 'Principal Only  Certificates'); and (x) Class R-I
Certificates   and   Class   R-II   Certificates   (together,   the    'Residual
Certificates').  In  addition to  the Senior  Certificates, the  Series 1996-S20
Mortgage Pass-Through Certificates will also include six classes of  subordinate
certificates  which  are designated  as the  Class  M-1 Certificates,  Class M-2
Certificates  and   Class  M-3   Certificates   (collectively,  the   'Class   M
Certificates')  and the Class B-1 Certificates, Class B-2 Certificates and Class
B-3 Certificates (collectively,  the 'Class B  Certificates' and, together  with
the  Class M Certificates and Senior Certificates, the 'Certificates'). Only the
Senior Certificates  (other  than  the  Class  A-4  Certificates)  and  Class  M
Certificates  (together,  the 'Offered  Certificates')  are offered  hereby. See
'Index  of  Principal  Definitions'  in  the  Prospectus  for  the  meanings  of
capitalized terms and acronyms not otherwise defined herein.
 
     It  is a condition of  the issuance of the  Senior Certificates (other than
the Principal Only Certificates) that they be rated 'AAA' by each of Standard  &
Poor's  Ratings Services ('Standard & Poor's') and Fitch Investors Service, L.P.
('Fitch'). It is a condition of the issuance of the Principal Only  Certificates
that  they be  rated 'AAAr' by  Standard &  Poor's and 'AAA'  by Fitch.  It is a
condition of the issuance of the Class  M-1 Certificates that they be rated  not
lower than 'AA' by each of Standard & Poor's and Fitch. It is a condition of the
issuance  of the Class M-2 Certificates and  Class M-3 Certificates that they be
rated not lower than 'A' and 'BBB,' respectively, by Fitch.
 
     The Senior Certificates in  the aggregate and  the Class M-1  Certificates,
Class  M-2  Certificates  and  Class  M-3  Certificates  will  evidence  initial
undivided  interests   of  approximately   94.50%,  2.00%,   1.25%  and   1.15%,
respectively,  in  the Trust  Fund  consisting primarily  of  a pool  of certain
conventional, fixed-rate, one- to four-family  first mortgage loans, with  terms
to  maturity of not more than approximately  30 years (the 'Mortgage Loans'), to
be deposited  by  the  Company into  the  Trust  Fund for  the  benefit  of  the
Certificateholders.  In addition, the Master Servicer will be obligated to remit
to Residential Funding specified portions  of interest payments on the  Mortgage
Loans  included in the Trust Fund (the 'Excess Spread'). Certain characteristics
of the Mortgage Loans  are described herein under  'Description of the  Mortgage
Pool.'  The  rights of  the  holders of  the Class  M  Certificates and  Class B
Certificates to receive distributions with respect to the Mortgage Loans will be
subordinate to the  rights of  the holders of  the Senior  Certificates and  the
rights of the owner of the Excess Spread; the rights of the holders of the Class
M-2  Certificates to  receive distributions with  respect to  the Mortgage Loans
will also  be  subordinate  to the  rights  of  the holders  of  the  Class  M-1
Certificates; the rights of the holders of the Class M-3 Certificates to receive
distributions with respect to the Mortgage Loans will also be subordinate to the
rights  of the  holders of the  other classes  of Class M  Certificates; and the
rights of the holders of the Class B Certificates to receive distributions  with
respect  to the  Mortgage Loans will  also be  subordinate to the  rights of the
holders of the Class M Certificates, in each case to the extent described herein
and in the Prospectus.  In addition, certain losses  otherwise allocable to  the
Combination  Super Senior  Certificates will be  allocated first  to the Lockout
Senior Support Certificates as described herein.
 
     The DTC  Registered  Certificates (as  defined  herein) initially  will  be
represented  by certificates registered in the name of Cede & Co., as nominee of
DTC, as further described herein. The interests of beneficial owners of the  DTC
Registered  Certificates will be  represented by book entries  on the records of
participating members of DTC. Definitive certificates will be available for  the
DTC  Registered  Certificates  only under  the  limited  circumstances described
herein. See  'Description  of the  Certificates  -- Book-Entry  Registration  of
Certain of the Senior Certificates' herein.
 
     As  described  herein,  two  separate  REMIC  elections  will  be  made  in
connection with the Trust  Fund for federal income  tax purposes. Each class  of
the  Offered Certificates (other than  the Residual Certificates) will represent
ownership of 'regular  interests' in  the related REMIC  and each  class of  the
Residual  Certificates will constitute the sole class of 'residual interests' in
the related REMIC. See 'Certain Federal  Income Tax Consequences' herein and  in
the  Prospectus. Transfer of the Residual Certificates will be prohibited to any
non-United States person,  and will  be subject to  certain additional  transfer
restrictions described under 'Certain
 
                                      S-2
 
<PAGE>
<PAGE>
Federal  Income  Tax Consequences  -- Special  Tax Considerations  Applicable to
Residual Certificates'  herein  and in  the  Prospectus under  'Certain  Federal
Income  Tax  Consequences  --  REMICs  -- Tax  on  Transfers  of  REMIC Residual
Certificates to Certain  Organizations' and  ' --  Taxation of  Owners of  REMIC
Residual Certificates -- Noneconomic REMIC Residual Certificates.'
 
     Distributions  on the Offered Certificates will be  made on the 25th day of
each month or, if such day is not a business day, then on the next business day,
commencing in October 1996 (each,  a 'Distribution Date'). As described  herein,
interest   distributions  on  the  Offered  Certificates  entitled  to  interest
distributions will be based on the Certificate Principal Balance thereof and the
then-applicable Pass-Through  Rate  thereof,  which will  be  variable  for  the
Companion  Certificates and fixed for all other classes of Offered Certificates,
and may be reduced by certain  interest shortfalls. Distributions in respect  of
principal  on the Offered Certificates  entitled to principal distributions will
be allocated among the various classes of the Offered Certificates as  described
herein  under 'Description of the Certificates -- Principal Distributions on the
Senior  Certificates'  and  '  --   Principal  Distributions  on  the  Class   M
Certificates.'
 
     THE  YIELD TO MATURITY ON THE OFFERED  CERTIFICATES WILL DEPEND ON THE RATE
AND  TIMING  OF   PRINCIPAL  PAYMENTS  (INCLUDING   PREPAYMENTS,  DEFAULTS   AND
LIQUIDATIONS)  ON THE  MORTGAGE LOANS.  THE YIELD TO  MATURITY ON  EACH CLASS OF
CLASS M CERTIFICATES WILL  BE EXTREMELY SENSITIVE TO  LOSSES DUE TO DEFAULTS  ON
THE  MORTGAGE LOANS (AND THE TIMING THEREOF), TO THE EXTENT THAT SUCH LOSSES ARE
NOT COVERED BY THE CLASS B CERTIFICATES OR BY ANY CLASS OF CLASS M  CERTIFICATES
HAVING  A LOWER PAYMENT PRIORITY, AS  DESCRIBED HEREIN. AFTER THE CREDIT SUPPORT
DEPLETION DATE (AS DEFINED HEREIN), THE YIELD TO MATURITY ON THE LOCKOUT  SENIOR
SUPPORT  CERTIFICATES WILL ALSO BE EXTREMELY SENSITIVE TO LOSSES DUE TO DEFAULTS
ON THE  MORTGAGE  LOANS (AND  THE  TIMING  THEREOF), AS  DESCRIBED  HEREIN.  THE
MORTGAGE  LOANS GENERALLY MAY BE PREPAID IN FULL  OR IN PART AT ANY TIME WITHOUT
PENALTY. THE YIELD TO  INVESTORS ON THE OFFERED  CERTIFICATES WILL BE  ADVERSELY
AFFECTED  BY ANY SHORTFALLS IN  INTEREST COLLECTED ON THE  MORTGAGE LOANS DUE TO
PREPAYMENTS, LIQUIDATIONS OR OTHERWISE. SHORTFALLS IN INTEREST COLLECTED ON  THE
MORTGAGE  LOANS DUE TO PREPAYMENTS IN FULL WILL BE OFFSET BY THE MASTER SERVICER
TO THE EXTENT  DISCUSSED HEREIN.  BECAUSE AMOUNTS  PAYABLE WITH  RESPECT TO  THE
PRINCIPAL  ONLY CERTIFICATES DERIVE ONLY FROM PRINCIPAL PAYMENTS ON THE MORTGAGE
LOANS WITH NET MORTGAGE RATES THAT ARE LOWER THAN 7.75% PER ANNUM, THE YIELD  ON
THE  PRINCIPAL  ONLY  CERTIFICATES WILL  BE  ADVERSELY AFFECTED  BY  SLOWER THAN
EXPECTED PAYMENTS OF PRINCIPAL ON SUCH MORTGAGE LOANS. IN ADDITION, THE YIELD ON
THE COMPANION  FLOATER CERTIFICATES  WILL BE  SENSITIVE, AND  THE YIELD  ON  THE
COMPANION   INVERSE  FLOATER  CERTIFICATES  WILL   BE  EXTREMELY  SENSITIVE,  TO
FLUCTUATIONS  IN  THE  LEVEL  OF  LIBOR.  SEE  'SUMMARY  --  SPECIAL  PREPAYMENT
CONSIDERATIONS,'  '  -- SPECIAL  YIELD  CONSIDERATIONS' AND  'CERTAIN  YIELD AND
PREPAYMENT CONSIDERATIONS' HEREIN AND 'YIELD CONSIDERATIONS' IN THE PROSPECTUS.
 
     THE OFFERED CERTIFICATES OFFERED  BY THIS PROSPECTUS SUPPLEMENT  CONSTITUTE
PART  OF A SEPARATE SERIES  OF CERTIFICATES ISSUED BY  THE COMPANY AND ARE BEING
OFFERED PURSUANT TO ITS PROSPECTUS DATED JUNE 21, 1996, OF WHICH THIS PROSPECTUS
SUPPLEMENT IS  A PART  AND  WHICH ACCOMPANIES  THIS PROSPECTUS  SUPPLEMENT.  THE
PROSPECTUS  CONTAINS IMPORTANT INFORMATION REGARDING  THIS OFFERING WHICH IS NOT
CONTAINED HEREIN, AND PROSPECTIVE INVESTORS ARE URGED TO READ THE PROSPECTUS AND
THIS PROSPECTUS SUPPLEMENT IN FULL. SALES OF THE OFFERED CERTIFICATES MAY NOT BE
CONSUMMATED UNLESS THE  PURCHASER HAS RECEIVED  BOTH THIS PROSPECTUS  SUPPLEMENT
AND THE PROSPECTUS.
 
                            ------------------------
     UNTIL  DECEMBER 22 1996, ALL DEALERS  EFFECTING TRANSACTIONS IN THE OFFERED
CERTIFICATES, WHETHER OR NOT PARTICIPATING IN THIS DISTRIBUTION, MAY BE REQUIRED
TO DELIVER A PROSPECTUS SUPPLEMENT AND THE PROSPECTUS TO WHICH IT RELATES.  THIS
DELIVERY  REQUIREMENT IS IN ADDITION  TO THE OBLIGATION OF  DEALERS TO DELIVER A
PROSPECTUS SUPPLEMENT  AND  PROSPECTUS  WHEN ACTING  AS  UNDERWRITERS  AND  WITH
RESPECT TO THEIR UNSOLD ALLOTMENTS OR SUBSCRIPTIONS.
 
                                      S-3


<PAGE>
<PAGE>
                                    SUMMARY
 
     The  following summary  is qualified  in its  entirety by  reference to the
detailed  information  appearing  elsewhere   herein  and  in  the   Prospectus.
Capitalized terms used herein and not otherwise defined herein have the meanings
assigned in the Prospectus.
 
<TABLE>
<S>                                   <C>
Title of Securities.................  Mortgage Pass-Through Certificates, Series 1996-S20.
Company.............................  Residential   Funding  Mortgage   Securities  I,  Inc.,   an  affiliate  of
                                      Residential Funding. See 'The Company' in the Prospectus.
Master Servicer.....................  Residential   Funding    Corporation.    See   'Pooling    and    Servicing
                                      Agreement   --  The  Master  Servicer'   herein  and  'Residential  Funding
                                      Corporation' in the Prospectus.
Trustee.............................  Bankers Trust Company, a New York banking corporation.
Cut-off Date........................  September 1, 1996.
Delivery Date.......................  On or about September 26, 1996.
The Mortgage Pool...................  The Mortgage  Pool will  consist  of a  pool of  conventional,  fixed-rate,
                                      fully-amortizing,  level  monthly  payment  first  Mortgage  Loans  with an
                                      aggregate principal balance  as of  the Cut-off Date  of $451,652,076.  The
                                      Mortgage  Loans  are secured  by  first liens  on  fee simple  or leasehold
                                      interests in one- to  four-family residential real  properties and, in  the
                                      case  of four Mortgage Loans, an interest in shares issued by a cooperative
                                      apartment corporation and the related proprietary lease (each, a 'Mortgaged
                                      Property'). At  origination, the  Mortgage Loans  had individual  principal
                                      balances  of at least $29,400 but not  more than $1,470,000 with an average
                                      principal balance of approximately $280,988. The Mortgage Loans have  terms
                                      to  maturity from the date of origination  or modification of not more than
                                      approximately 30 years, and a  weighted average remaining term to  maturity
                                      of approximately 357 months as of the Cut-off Date. The Mortgage Loans will
                                      bear  interest at Mortgage Rates of at  least 6.625% per annum but not more
                                      than 10.125% per annum,  with a weighted average  Mortgage Rate of  8.6072%
                                      per annum as of the Cut-off Date. For a further description of the Mortgage
                                      Loans, see 'Description of the Mortgage Pool' herein.
The Offered Certificates............  The Offered Certificates will be issued pursuant to a Pooling and Servicing
                                      Agreement,  to be  dated as  of the  Cut-off Date,  among the  Company, the
                                      Master Servicer and  the Trustee.  The Offered Certificates  will have  the
                                      following  Pass-Through  Rates,  Certificate Principal  Balances  and other
                                      features as of the Cut-off Date:
</TABLE>
 
<TABLE>
                                     <S>            <C>              <C>                 <C>             <C>
                                     Class A-1       Certificates         7.100%         $52,409,000          PAC/Senior
                                     Class A-2       Certificates         7.350%         $70,579,000          PAC/Senior
                                     Class A-3       Certificates         7.500%         $68,773,000      Combination/Senior
                                     Class A-5       Certificates    Adjustable Rate     $26,381,000      Companion/Floater/
                                                                                                                Senior
                                     Class A-6       Certificates    Adjustable Rate     $ 4,255,000          Companion/
                                                                                                                Inverse
                                                                                                            Floater/Senior
                                     Class A-7       Certificates         7.750%         $20,022,000        Lockout/Senior
                                     Class A-8       Certificates         7.750%         $12,014,000        Lockout/Senior
                                                                                                                Support
                                     Class A-9       Certificates         7.750%         $20,835,000            Senior
                                     Class A-10      Certificates         7.750%         $29,566,000            Senior
                                     Class A-11      Certificates         7.750%         $ 9,918,000            Senior
                                     Class A-12      Certificates         7.750%         $ 4,755,000            Senior
</TABLE>
 
                                      S-4
 
<PAGE>
<PAGE>
 
<TABLE>
                                     <S>            <C>              <C>                 <C>             <C>
                                     Class A-13      Certificates         0.000%         $ 1,318,180           Principal
                                                                                                              Only/Senior
                                     Class R-I       Certificates         7.750%         $       100        Residual/Senior
                                     Class R-II      Certificates         7.750%         $       100        Residual/Senior
                                     Class M-1       Certificates         7.750%         $ 9,033,100           Mezzanine
                                     Class M-2       Certificates         7.750%         $ 5,645,600           Mezzanine
                                     Class M-3       Certificates         7.750%         $ 5,194,000           Mezzanine
</TABLE>
 
<TABLE>
<S>                                   <C>

                                      The Class  A-3  Certificates and  Class  A-7 Certificates  consist  of  the
                                      following  components  in the  following  respective principal  amounts and
                                      having the following respective interest rates and other features:
</TABLE>
 
<TABLE>
                                     <S>           <C>             <C>             <C>        <C>
                                     Class A-3      Component 1    $54,607,000     7.500%       TAC/Accretion
                                                                                               Directed/Senior
                                     Class A-3      Component 2    $14,166,000     7.500%        PAC/Senior
                                     Class A-7      Component 1    $10,011,000     7.750%      Lockout/Senior
                                     Class A-7      Component 2    $10,011,000     7.750%      Lockout/Senior
</TABLE>
 
<TABLE>
<S>                                   <C>

                                      The Class A-3 Component 1 (the 'Class A-3 TAC Accretion Directed  Principal
                                      Component')  and the  Class A-3 Component  2 (the 'Class  A-3 PAC Principal
                                      Component')  are  referred  to  collectively  herein  as  the  'Class   A-3
                                      Components.'  The Class A-3 TAC  Accretion Directed Principal Component and
                                      the Class  A-4  TAC  Accretion Directed  Principal  Component  (as  defined
                                      herein)  are referred to collectively herein as the 'TAC Accretion Directed
                                      Principal Components.' The Class A-7 Component 1 and Class A-7 Component  2
                                      are referred to collectively herein as the 'Class A-7 Lockout Components.'
                                      The Class A-3 PAC Principal Component and Class A-4 PAC Principal Component
                                      (as  defined  herein)  are  referred to  collectively  herein  as  the 'PAC
                                      Principal Components' (and, together with  the Class A-4 PAC Interest  Only
                                      Component  (as defined  herein), the 'PAC  Components'). The  Class A-3 TAC
                                      Accretion Directed Principal  Component, Class A-4  TAC Accretion  Directed
                                      Principal Component (as defined herein) and Class A-4 TAC Accrual Principal
                                      Component  (as defined herein)  are referred to  collectively herein as the
                                      'TAC Principal Components' (and, together  with the Class A-4 TAC  Interest
                                      Only Component (as defined herein), the 'TAC Components').
                                      The  Offered Certificates are subject to  various priorities for payment of
                                      interest and  principal  as described  herein.  For a  description  of  the
                                      allocation  of  interest  and  principal  distributions  among  the  Senior
                                      Certificates and  on the  Class  M Certificates,  see 'Description  of  the
                                      Certificates  -- Interest  Distributions,' ' --  Principal Distributions on
                                      the Senior Certificates' and  ' -- Principal Distributions  on the Class  M
                                      Certificates'  herein. For a  description of the  Pass-Through Rates on the
                                      Companion  Certificates,   see   the   cover  and   'Description   of   the
                                      Certificates -- Interest Distributions' herein.
                                      Investors  in  the  Offered  Certificates  should  carefully  consider  the
                                      information set forth under 'Summary -- Special Prepayment Considerations,'
                                      ' --  Special  Yield  Considerations' and  'Certain  Yield  and  Prepayment
                                      Considerations' herein and 'Yield Considerations' in the Prospectus.
Class A-4 Certificates..............  The  Class A-4 Certificates,  which are not offered  hereby, consist of the
                                      following components  in the  following  respective principal  amounts  and
                                      having the following respective interest rates and other features:
</TABLE>
 
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<TABLE>
                                     <S>           <C>             <C>             <C>          <C>
                                     Class A-4      Component Z    $50,557,000      7.750%       TAC/Accrual/
                                                                                                 Super Senior
                                     Class A-4      Component 2    $ 3,717,000      7.750%        PAC/Super
                                                                                                    Senior
                                     Class A-4      Component 3    $         0     Variable      PAC/Interest
                                                                                                  Only/Super
                                                                                                    Senior
                                     Class A-4      Component 4    $         0      0.250%       TAC/Interest
                                                                                                  Only/Super
                                                                                                    Senior
                                     Class A-4      Component 5    $51,711,000      7.750%      TAC/Accretion
                                                                                                  Directed/
                                                                                                 Super Senior
</TABLE>
 
<TABLE>
<S>                                   <C>

                                      The   Class  A-4  Component  Z  (the   'Class  A-4  TAC  Accrual  Principal
                                      Component'),  Class  A-4  Component  2   (the  'Class  A-4  PAC   Principal
                                      Component'),  Class  A-4  Component 3  (the  'Class A-4  PAC  Interest Only
                                      Component'), Class  A-4  Component 4  (the  'Class A-4  TAC  Interest  Only
                                      Component')  and  Class  A-4  Component 5  (the  'Class  A-4  TAC Accretion
                                      Directed Principal Component') are referred  to herein collectively as  the
                                      'Class A-4 Components.'
Certificate Registration............  The  Offered  Certificates,  other than  the  Principal  Only Certificates,
                                      Residual  Certificates  and  Class  M  Certificates  (the  'DTC  Registered
                                      Certificates'),  will be represented by one or more certificates registered
                                      in the name of Cede & Co., as  nominee of DTC. No Beneficial Owner will  be
                                      entitled  to  receive  a Certificate  of  such class  in  fully registered,
                                      certificated form (a  'Definitive Certificate'), except  under the  limited
                                      circumstances  described herein. The  Principal Only Certificates, Residual
                                      Certificates and Class M Certificates will be offered in fully  registered,
                                      certificated  form. For  further registration  information and denomination
                                      amounts see 'Description of the Certificates' herein.
Interest Distributions..............  Holders of each class of Senior Certificates (other than the Principal Only
                                      Certificates) and  the Class  M Certificates  will be  entitled to  receive
                                      interest  distributions  in  an  amount equal  to  the  Accrued Certificate
                                      Interest (as  defined herein)  on  such class  on each  Distribution  Date,
                                      commencing  on the first  Distribution Date in  the case of  all classes of
                                      Certificates (other than the Class-A-4  Certificates, to the extent of  the
                                      Class  A-4 TAC Accrual  Principal Component thereof)  and commencing on the
                                      Accretion Termination Date (as defined herein) in the case of the Class A-4
                                      TAC Accrual Principal Component in the manner and priority set forth herein
                                      and to the extent of the Available Distribution Amount (as defined  herein)
                                      for such Distribution Date.
                                      With respect to any Distribution Date, Accrued Certificate Interest will be
                                      equal  to (a)  in respect  of each  class of  Certificates (other  than the
                                      Companion  Certificates,  Class   A-4  Certificates   and  Principal   Only
                                      Certificates),  interest accrued during the related Interest Accrual Period
                                      (as  defined  herein)  on  the   Certificate  Principal  Balance  of   such
                                      Certificates  of such class at the  related Pass-Through Rate on such class
                                      for such Distribution Date, in each  case, (b) in respect of the  Companion
                                      Certificates,  interest accrued during the  related Interest Accrual Period
                                      on the related Certificate Principal Balance thereof at the then-applicable
                                      Pass-Through Rate  on such  class for  such Distribution  Date and  (c)  in
                                      respect  of the Class A-4 Certificates, interest accrued during the related
                                      Interest Accrual Period  on the amount  of each component  thereof (or  the
                                      Notional  Amounts thereof in  the case of  the Class A-4  PAC Interest Only
                                      Component and  Class  A-4  TAC  Interest Only  Component)  at  the  related
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<S>                                   <C>
                                      Pass-Through  Rate therefor for  such Distribution Date,  in each case less
                                      any  interest  shortfalls  not  covered  with  respect  to  such  class  by
                                      Subordination  or by the Master Servicer, in each case as described herein,
                                      including any Prepayment Interest  Shortfall (as defined herein)  allocated
                                      thereto for such Distribution Date. The Principal Only Certificates are not
                                      entitled to distributions of interest.
                                      The  Pass-Through Rates on all classes  of Offered Certificates (other than
                                      the Companion Certificates and Principal  Only Certificates) are fixed  and
                                      are  set forth on the cover hereof. The Pass-Through Rates on the Companion
                                      Certificates are variable and will be  calculated as set forth herein.  The
                                      Pass-Through  Rate on  the Class  A-4 PAC  Interest Only  Component on each
                                      Distribution Date is equal  to the weighted average  of the Strip Rates  on
                                      the  Class A-1 Certificates,  Class A-2 Certificates and  the Class A-3 PAC
                                      Principal  Component  based  on  the  Certificate  Principal  Balances  and
                                      principal  amount thereof immediately prior  to such Distribution Date. The
                                      related Strip Rate on  the Class A-1  Certificates, Class A-2  Certificates
                                      and  Class A-3 PAC Principal Component is equal to 7.750% minus the related
                                      Pass-Through Rate. The Pass-Through Rate on the Class A-4 TAC Interest Only
                                      Component is 0.25% per annum.
                                      See 'Description of the Certificates -- Interest Distributions' herein.
Principal Distributions.............  Holders of the Senior Certificates  (other than the Class A-4  Certificates
                                      to  the extent of the  Class A-4 PAC Interest  Only Component and Class A-4
                                      TAC Interest Only  Component, which  are not entitled  to distributions  in
                                      respect  of principal, and Principal Only Certificates) will be entitled to
                                      receive a  distribution of  principal  on each  Distribution Date,  in  the
                                      manner  and priority set forth herein, to  the extent of the portion of the
                                      Available  Distribution  Amount   remaining  after   the  Senior   Interest
                                      Distribution Amount and Principal Only Distribution Amount (each as defined
                                      herein)   are  distributed.  Notwithstanding  the  foregoing,  the  Lockout
                                      Certificates will not be entitled to any principal distributions until  the
                                      Distribution   Dates  specified  herein.  Holders  of  the  Principal  Only
                                      Certificates will be  entitled to  receive a distribution  of principal  on
                                      each Distribution Date, in the manner and priority set forth herein, to the
                                      extent  of the portion of the Available Distribution Amount remaining after
                                      the Senior  Interest Distribution  Amount is  distributed. Holders  of  the
                                      Principal  Only Certificates  are generally  entitled to  receive principal
                                      payments only  with respect  to  the Discount  Mortgage Loans  (as  defined
                                      herein).
                                      Holders  of each  class of  the Class  M Certificates  will be  entitled to
                                      receive a  distribution of  principal  on each  Distribution Date,  in  the
                                      manner  and priority set forth herein, to  the extent of the portion of the
                                      Available Distribution Amount remaining after (i) distributions in  respect
                                      of interest and principal to the holders of the Senior Certificates and any
                                      class  of  Class  M  Certificates  having  a  higher  payment  priority and
                                      distributions  of  the  Excess  Spread,  (ii)  reimbursements  for  certain
                                      Advances  to  the Master  Servicer and  (iii)  distributions in  respect of
                                      interest to the holders of such class of Class M Certificates.
                                      See 'Description  of  the Certiicates  --  Principal Distributions  on  the
                                      Senior  Certificates'  and  ' --  Principal  Distributions on  the  Class M
                                      Certificates' herein.
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<S>                                   <C>
Advances............................  The Master Servicer is required to  make Advances in respect of  delinquent
                                      payments  of principal and  interest on the Mortgage  Loans, subject to the
                                      limitations described herein. See 'Description of the
                                      Certificates -- Advances' herein and in the Prospectus.
Allocation of Losses;
  Subordination.....................  Subject to the limitations set forth below, Realized Losses on the Mortgage
                                      Loans will be  allocated as follows:  first, to the  Class B  Certificates;
                                      second,   to  the  Class   M-3  Certificates;  third,   to  the  Class  M-2
                                      Certificates; fourth, to the  Class M-1 Certificates  until, in each  case,
                                      the  Certificate Principal  Balance of each  such class  of Certificates is
                                      reduced to zero; and thereafter, if any such Realized Loss is on a Discount
                                      Mortgage Loan, to the Principal Only Certificates in an amount equal to the
                                      related Discount Fraction of the  principal portion of such Realized  Loss,
                                      and  the remainder of such Realized Loss  and the entire amount of Realized
                                      Losses on Non-Discount Mortgage  Loans to the  remaining classes of  Senior
                                      Certificates  (and, in the  case of the  Combination Certificates and Class
                                      A-7 Certificates, to each component thereof) (and the Excess Spread in  the
                                      case  of the interest portion  of a Realized Loss) on  a pro rata basis, as
                                      described herein, except that the  principal portion of Defaulted  Mortgage
                                      Losses  otherwise allocable  to the  Combination Super  Senior Certificates
                                      will be  allocated to  the Lockout  Senior Support  Certificates until  the
                                      Certificate Principal Balance thereof is reduced to zero. The Subordination
                                      provided to the Senior Certificates by the Class B Certificates and Class M
                                      Certificates  and  the  Subordination provided  to  each class  of  Class M
                                      Certificates by  the Class  B Certificates  and  by any  class of  Class  M
                                      Certificates subordinate thereto will cover Realized Losses on the Mortgage
                                      Loans  that are Defaulted Mortgage  Losses, Fraud Losses, Bankruptcy Losses
                                      and Special Hazard  Losses (as  defined herein). The  aggregate amounts  of
                                      Realized  Losses which may be allocated  by means of Subordination to cover
                                      Special Hazard Losses,  Fraud Losses  and Bankruptcy  Losses are  initially
                                      limited to approximately $4,408,398, $9,033,042 and $171,264, respectively.
                                      All of the foregoing amounts are subject to periodic reduction as described
                                      herein  and may  be further  reduced as  described in  the Prospectus under
                                      'Subordination.'
                                      In addition, any Special Hazard Losses, Fraud Losses and Bankruptcy  Losses
                                      in   excess  of  the  respective  amounts  of  coverage  therefor  and  any
                                      Extraordinary Losses  (as defined  herein) on  Non-Discount Mortgage  Loans
                                      will  be allocated on a pro rata  basis among the Senior Certificates (and,
                                      in the case of the Combination Certificates and Class A-7 Certificates,  to
                                      each  component thereof) (other than  the Principal Only Certificates), the
                                      Excess Spread (with respect to the interest portion of such Realized Loss),
                                      the Class M Certificates  and the Class B  Certificates (any such  Realized
                                      Losses  so allocated to  the Senior Certificates  (other than the Principal
                                      Only Certificates)  or  Class  M Certificates  will  be  allocated  without
                                      priority  among the various classes thereof). The principal portion of such
                                      losses on Discount Mortgage Loans will  be allocated to the Principal  Only
                                      Certificates  in an amount  equal to the related  Discount Fraction of such
                                      losses, and the remainder of such losses on Discount Mortgage Loans will be
                                      allocated among  the  remaining  Certificates  (and, in  the  case  of  the
                                      Combination  Certificates  and Class  A-7  Certificates, to  each component
                                      thereof) on a pro rata basis as
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<TABLE>
<S>                                   <C>
                                      described above. In  determining the amount  of the Class  A-4 TAC  Accrual
                                      Principal Component for the purpose of allocating any portion of a Realized
                                      Loss  thereto, such  amount shall  be deemed  to be  the lesser  of (i) the
                                      initial amount of the  Class A-4 TAC Accrual  Principal Component and  (ii)
                                      the  amount  of such  Class A-4  TAC Accrual  Principal Component  prior to
                                      giving effect to distributions  to be made on  such Distribution Date.  See
                                      'Description  of the  Certificates -- Allocation  of Losses; Subordination'
                                      herein.
                                      Neither the  Offered Certificates  nor the  Mortgage Loans  are insured  or
                                      guaranteed by any governmental agency or instrumentality or by the Company,
                                      the Master Servicer, the Trustee, GMAC Mortgage or any affiliate thereof.
Class B Certificates................  The   Class  B-1  Certificates,  Class   B-2  Certificates  and  Class  B-3
                                      Certificates will each  have a Pass-Through  Rate of 7.750%  per annum  and
                                      initial   Certificate  Principal  Balances   of  $2,258,300,  $903,300  and
                                      $1,807,396, respectively, and will evidence initial undivided interests  of
                                      approximately  0.50%, 0.20% and 0.40%, respectively, in the Trust Fund. The
                                      Class B Certificates are not being offered hereby.
Optional Termination................  At its option, on any Distribution Date when the aggregate Stated Principal
                                      Balance of the Mortgage Loans is  less than 10% of the aggregate  principal
                                      balance  of the Mortgage Loans as of  the Cut-off Date, the Master Servicer
                                      or the Company may (i) purchase from the Trust Fund all remaining  Mortgage
                                      Loans  and other assets thereof, and thereby effect early retirement of the
                                      Certificates or (ii) purchase in whole, but not in part, the  Certificates.
                                      See  'Pooling  and  Servicing  Agreement --  Termination'  herein  and 'The
                                      Pooling and Servicing Agreement -- Termination; Retirement of Certificates'
                                      in the Prospectus.
Special Prepayment Considerations...  The rate and timing of principal payments on the Offered Certificates  will
                                      depend  on, among other  things, the rate and  timing of principal payments
                                      (including prepayments, defaults,  liquidations and  purchases of  Mortgage
                                      Loans  due to a  breach of a  representation and warranty)  on the Mortgage
                                      Loans. As  is  the  case with  mortgage-backed  securities  generally,  the
                                      Offered  Certificates  are  subject  to  inherent  cash-flow  uncertainties
                                      because the Mortgage  Loans may  be prepaid  at any  time. Generally,  when
                                      prevailing interest rates increase, prepayment rates on mortgage loans tend
                                      to  decrease, resulting in a  slower return of principal  to investors at a
                                      time when reinvestment at such higher prevailing rates would be  desirable.
                                      Conversely,  when prevailing  interest rates  decline, prepayment  rates on
                                      mortgage loans tend to increase, resulting in a faster return of  principal
                                      to  investors at a time  when reinvestment at comparable  yields may not be
                                      possible.
                                      The multiple  class  structure  of  Offered  Certificates  results  in  the
                                      allocation of prepayments among certain classes as follows:
                                      PAC  Certificates and  Combination Certificates:  The PAC  Certificates and
                                      Combination Certificates (to  the extent  of the  PAC Principal  Components
                                      thereof)  have been  structured so  that principal  distributions generally
                                      will be  payable thereon  in  the amounts  determined  by using  the  table
                                      described herein assuming that prepayments on the Mortgage Loans occur each
                                      month  at a constant level between approximately 100% SPA and approximately
                                      450% SPA, as  described herein  (the 'PAC  Targeted Range'),  and based  on
                                      certain other assumptions. However, as discussed
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                                      S-9
 
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<TABLE>
<S>                                   <C>
                                      herein,  actual principal  distributions may  be greater  or less  than the
                                      described amounts. If prepayments  on the Mortgage Loans  occur at a  level
                                      below   or  above  the   PAC  Targeted  Range,   the  amount  of  principal
                                      distributions may  deviate  from the  described  amounts and  the  weighted
                                      average  lives of the PAC Certificates  and Combination Certificates may be
                                      extended or shortened relative to the  related table. Investors in the  PAC
                                      Certificates  and  Combination  Certificates  (to  the  extent  of  the PAC
                                      Principal Components  thereof)  should  be  aware  that  the  stabilization
                                      provided by the Companion Certificates and Combination Certificates (to the
                                      extent of the TAC Components thereof) is limited.
                                      Combination  Certificates: The TAC Principal  Components of the Combination
                                      Certificates have been structured so that principal distributions generally
                                      will be  payable thereon  in  the amounts  determined  by using  the  table
                                      described herein assuming that prepayments on the Mortgage Loans occur each
                                      month  at a constant  level of approximately 250%  SPA, as described herein
                                      (the 'TAC  Targeted  Speed'),  and  based  on  certain  other  assumptions.
                                      However, as discussed herein, actual principal distributions may be greater
                                      or  less than  the described  amounts. If  the prepayments  on the Mortgage
                                      Loans occur at a level below or above the TAC Targeted Speed, the amount of
                                      principal distributions  may deviate  from the  described amounts  and  the
                                      weighted  average life of  the Combination Certificates  may be extended or
                                      shortened. Investors in the Combination  Certificates should be aware  that
                                      the stabilization provided by the Companion Certificates is limited.
                                      Combination  Certificates and  Companion Certificates:  Because all amounts
                                      available for principal distributions among the Class A-1, Class A-2, Class
                                      A-3, Class A-4,  Class A-5 and  Class A-6 Certificates  in any given  month
                                      will be applied first to the TAC Accretion Directed Principal Components to
                                      the extent of the Accrual Distribution Amount, then to the PAC Certificates
                                      and  the PAC Principal Components of  the Combination Certificates and then
                                      to the TAC Principal  Components of the  Combination Certificates, in  each
                                      case  up to the described amounts, and any excess over such amounts will be
                                      applied  to  the  Companion  Certificates  and  then  to  the   Combination
                                      Certificates  to  the extent  of the  TAC Components  thereof, the  rate of
                                      principal distributions on, and the weighted average life of, the Companion
                                      Certificates and  Combination  Certificates  (to  the  extent  of  the  TAC
                                      Components  thereof) will be significantly more sensitive to changes in the
                                      rates of  prepayment of  the  Mortgage Loans  than  the rate  of  principal
                                      distributions on and the weighted average lives of the PAC Certificates.
                                      Class  A-3  TAC  Accretion  Directed  Principal  Component:  Prior  to  the
                                      Accretion Termination Date, the Class A-3 TAC Accretion Directed  Principal
                                      Component  and Class  A-4 TAC  Accretion Directed  Principal Component will
                                      receive as monthly principal distributions the Accrual Distribution Amount,
                                      on a  pro  rata basis.  The  Class  A-3 TAC  Accretion  Directed  Principal
                                      Component  and  Class A-4  TAC Accretion  Directed Principal  Component may
                                      receive additional principal distributions  on such Distribution Dates,  as
                                      described  herein. Accordingly, if any interest shortfalls are allocated to
                                      the Class  A-4 TAC  Accrual Principal  Component as  described herein,  the
                                      weighted  average  life  of  the  Class  A-3  Certificates  and  Class  A-4
                                      Certificates (to the extent  affected by the performance  of the Class  A-3
                                      TAC  Accretion  Directed Principal  Component and  Class A-4  TAC Accretion
                                      Directed Principal Component,
</TABLE>
 
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<TABLE>
<S>                                   <C>
                                      respectively) could  be extended.  In addition,  the Accretion  Termination
                                      Date may be later (or earlier) than otherwise anticipated.
                                      Sequentially  Paying  Classes:  The  Senior  Certificates  (other  than the
                                      Lockout  Certificates,   Principal   Only  Certificates   and   Class   A-4
                                      Certificates,  to the  extent of  the PAC  Interest Only  Component and TAC
                                      Interest Only Component) are subject  to various priorities for payment  of
                                      principal   as  described  herein.  INVESTORS  SHOULD  BE  AWARE  THAT  THE
                                      'SEQUENTIAL' NATURE  OF SUCH  SENIOR  CERTIFICATES IS  NOT RELATED  TO  THE
                                      NUMERICAL  DESIGNATION  OF ANY  CLASS  OF SENIOR  CERTIFICATES,  BUT RATHER
                                      RELATES  TO  THE  ALLOCATION  OF  PRINCIPAL  TO  SOME  CLASSES  OF   SENIOR
                                      CERTIFICATES  PRIOR  TO THE  ALLOCATION OF  PRINCIPAL  TO OTHER  CLASSES OF
                                      SENIOR CERTIFICATES.
                                      Lockout Certificates: As described herein, during certain periods all or  a
                                      disproportionately  large percentage of Mortgagor principal payments on the
                                      Mortgage Loans will be allocated  among the classes of Senior  Certificates
                                      (other  than  the Lockout  Certificates)  and, during  certain  periods, no
                                      principal payments will be distributed on the Lockout Certificates.
                                      Certificates with Subordination Features: To the extent that no prepayments
                                      or  a  disproportionately   small  percentage  of   such  prepayments   are
                                      distributed  on  the  Lockout  Senior  Support  Certificates  and  Class  M
                                      Certificates, the Subordination afforded  (i) the Combination Super  Senior
                                      Certificates by the Lockout Senior Support Certificates and (ii) the Senior
                                      Certificates  by  the  Class  M Certificates  (together  with  the  Class B
                                      Certificates), in  the  absence  of offsetting  Realized  Losses  allocated
                                      thereto,  will be increased, and the  weighted average lives of the Lockout
                                      Senior Support Certificates and Class M Certificates will be extended.
                                      See 'Description  of the  Certificates --  Principal Distributions  on  the
                                      Senior   Certificates,'  '  --  Principal  Distributions  on  the  Class  M
                                      Certificates' and 'Certain Yield and Prepayment Considerations' herein, and
                                      'Maturity and  Prepayment Considerations'  in the  Prospectus. For  further
                                      information  regarding the effect of  principal prepayments on the weighted
                                      average  lives  of  the  Offered  Certificates  (other  than  the  Residual
                                      Certificates),  see  the  table entitled  'Percent  of  Initial Certificate
                                      Principal Balance Outstanding at the Following Percentages of SPA' herein.
Special Yield Considerations........  The yield to maturity on each class of the Offered Certificates will depend
                                      on,  among  other  things,  the  rate  and  timing  of  principal  payments
                                      (including  prepayments, defaults,  liquidations and  purchases of Mortgage
                                      Loans due to  a breach of  a representation and  warranty) on the  Mortgage
                                      Loans  and  the  allocation  thereof to  reduce  the  Certificate Principal
                                      Balance of such class. The yield to  maturity on each class of the  Offered
                                      Certificates  will also depend on the Pass-Through Rate (as applicable) and
                                      the purchase price  for such Certificates.  The yield to  investors on  any
                                      class  of Offered Certificates (other than the Principal Only Certificates)
                                      will be adversely affected by any allocation thereto of Prepayment Interest
                                      Shortfalls on the  Mortgage Loans, which  are expected to  result from  the
                                      distribution of interest only to the date of prepayment (rather than a full
                                      month's  interest) in connection  with prepayments in full  and the lack of
                                      any distribution  of interest  on the  amount of  any partial  prepayments.
                                      Prepayment Interest Shortfalls resulting from principal prepayments in full
                                      in  any calendar month will not adversely  affect the yield to investors in
                                      the Offered Certificates to the extent such
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                                      Prepayment Interest  Shortfalls  are offset  by  the Master  Servicer.  See
                                      'Description of the Certificates -- Interest Distributions' herein.
                                      In  general, if a class  of Offered Certificates is  purchased at a premium
                                      and principal distributions thereon occur at a rate faster than assumed  at
                                      the time of purchase, the investor's actual yield to maturity will be lower
                                      than  that anticipated at the  time of purchase. Conversely,  if a class of
                                      Offered Certificates is purchased at a discount and principal distributions
                                      thereon occur at a rate slower than  that assumed at the time of  purchase,
                                      the investor's actual yield to maturity will be lower than that anticipated
                                      at the time of purchase.
                                      The  Offered Certificates were  structured assuming, among  other things, a
                                      prepayment assumption of  250% SPA  (as defined  herein) and  corresponding
                                      weighted average lives as described herein. The prepayment, yield and other
                                      assumptions to be used for pricing purposes for the respective classes that
                                      are to be offered hereunder may vary as determined at the time of sale.
                                      The  multiple class structure of the  Offered Certificates causes the yield
                                      of certain classes to be particularly sensitive to changes in the rates  of
                                      prepayment of the Mortgage Loans and other factors, as follows:
                                      Companion   Certificates  and   Combination  Certificates:   The  Companion
                                      Certificates and  Combination  Certificates  (to  the  extent  of  the  TAC
                                      Components  thereof)  will likely  experience  significant price  and yield
                                      volatility due to the companion  nature thereof. Investors should  consider
                                      whether such volatility is suitable to their investment needs. In addition,
                                      the  yield to investors on the  Companion Certificates will be sensitive to
                                      fluctuations in the level of LIBOR. The Pass-Through Rate on the  Companion
                                      Floater  Certificates will vary with LIBOR and the Pass-Through Rate on the
                                      Companion Inverse Floater Certificates will vary inversely with LIBOR.
                                      See   'Certain   Yield    and   Prepayment   Considerations,'    especially
                                      ' -- Companion Certificate Yield Considerations' herein.
                                      Lockout Certificates: Investors in the Lockout Certificates should be aware
                                      that  because  the  Lockout Certificates  do  not receive  any  payments of
                                      principal prior to  the Distribution  Date occurring in  October 2001,  and
                                      prior  to the  Distribution Date occurring  in October 2005  will receive a
                                      disproportionately small portion of  principal prepayments with respect  to
                                      the Mortgage Loans (unless the Certificate Principal Balances of the Senior
                                      Certificates  (other  than  the  Lockout  Certificates  and  Principal Only
                                      Certificates) have been reduced to zero), the weighted average life of  the
                                      Lockout  Certificates may be  longer than would otherwise  be the case, and
                                      the effect on the  market value of the  Lockout Certificates of changes  in
                                      market  interest  rates  or market  yields  for similar  securities  may be
                                      greater than  for other  classes of  Senior Certificates  entitled to  such
                                      distributions.
                                      Principal  Only  Certificates:  The  amounts payable  with  respect  to the
                                      Principal Only  Certificates derive  only from  principal payments  on  the
                                      Discount  Mortgage  Loans. As  a result,  the yield  on the  Principal Only
                                      Certificates will be adversely affected by slower than expected payments of
                                      principal on the  Discount Mortgage  Loans. Because  the Discount  Mortgage
                                      Loans  have lower Net Mortgage Rates  than the Non-Discount Mortgage Loans,
                                      and because the Mortgage Loans with lower Net Mortgage Rates are likely  to
                                      have lower Mortgage Rates, the Discount Mortgage Loans are generally likely
                                      to  prepay  at a  slower  rate than  the  Non-Discount Mortgage  Loans. See
                                      'Certain Yield and Prepayment
</TABLE>
 
                                      S-12
 
<PAGE>
<PAGE>
 
<TABLE>
<S>                                   <C>
                                      Considerations,'  especially  '   --  Principal   Only  Certificate   Yield
                                      Considerations' herein.
                                      Certificates  with Subordination Features:  The yield to  investors on each
                                      class of Class M Certificates, and particularly on those classes of Class M
                                      Certificates with lower payment priorities, will be extremely sensitive  to
                                      losses  due to defaults on the Mortgage  Loans (and the timing thereof), to
                                      the extent such losses are  not covered by the  Class B Certificates or  by
                                      any  other class of  Class M Certificates having  a lower payment priority,
                                      because the entire amount of such losses that are covered by  Subordination
                                      will  be allocable  to such  class or classes  of Class  M Certificates, as
                                      described herein.
                                      After the Credit  Support Depletion  Date, the  yield to  investors on  the
                                      Lockout  Senior Support  Certificates will  also be  extremely sensitive to
                                      losses due to defaults on the  Mortgage Loans (and timing thereof)  because
                                      Defaulted  Mortgage  Losses otherwise  allocable  to the  Combination Super
                                      Senior Certificates  will  be  allocated  to  the  Lockout  Senior  Support
                                      Certificates, as described herein.
                                      Furthermore,  as described herein,  the timing of  receipt of principal and
                                      interest by any class of Class M Certificates may be adversely affected  by
                                      losses  even if such class does not ultimately bear such loss. See 'Certain
                                      Yield and Prepayment Considerations,' especially  ' -- Class M-2 and  Class
                                      M-3  Certificate Yield Considerations' herein and 'Yield Considerations' in
                                      the Prospectus.
                                      Residual Certificates: Holders of the Residual Certificates are entitled to
                                      receive distributions  of  principal  and  interest  as  described  herein;
                                      however, holders of such Certificates may have tax liabilities with respect
                                      to  their Certificates during  the early years  of the term  of the related
                                      REMIC that substantially exceed the principal and interest payable  thereon
                                      during  such periods.  See 'Certain  Yield and  Prepayment Considerations,'
                                      especially ' --  Additional Yield Considerations  Applicable Solely to  the
                                      Residual  Certificates' herein,  'Certain Federal  Income Tax Consequences'
                                      herein and in the Prospectus and 'Yield Considerations' in the Prospectus.
Certain Federal Income Tax
  Consequences......................  Two separate REMIC elections  will be made with  respect to the Trust  Fund
                                      for  federal income tax purposes. The assets of REMIC I will consist of the
                                      Mortgage Loans,  the  Certificate  Account  and  any  Mortgaged  Properties
                                      acquired on behalf of the Trust Fund; the separate non-certificated regular
                                      interests  in REMIC I will  be the 'regular interests'  in REMIC I and will
                                      constitute the  assets  of REMIC  II.  Upon  the issuance  of  the  Offered
                                      Certificates, Thacher Proffitt & Wood, counsel to the Company, will deliver
                                      its  opinion generally  to the  effect that,  assuming compliance  with all
                                      provisions of the Pooling and  Servicing Agreement, for federal income  tax
                                      purposes,  REMIC I and REMIC II will each qualify as a REMIC under Sections
                                      860A through 860G of the Code.
                                      For federal income tax purposes, (a) the Class R-I Certificates will be the
                                      sole class of 'residual interests' in REMIC I, (b) each class of the Senior
                                      Certificates (other than the Residual Certificates), Class M  Certificates,
                                      Class  B Certificates and the rights to  the ownership of the Excess Spread
                                      will represent  ownership  of 'regular  interests'  in REMIC  II  and  will
                                      generally be treated as representing ownership of debt instruments of REMIC
                                      II,  and (c) the Class R-II Certificates  will constitute the sole class of
                                      'residual interests' in REMIC II.
</TABLE>
 
                                      S-13
 
<PAGE>
<PAGE>
 
<TABLE>
<S>                                   <C>
                                      Under the  REMIC  Regulations,  the Residual  Certificates  may  constitute
                                      'noneconomic'  residual interests  for purposes  of the  REMIC Regulations.
                                      Transfers of  the Residual  Certificates  will be  restricted in  a  manner
                                      designed  to prevent  a transfer  of a  noneconomic residual  interest from
                                      being disregarded under the REMIC Regulations. See 'Certain Federal  Income
                                      Tax  Consequences  --  Special Tax  Considerations  Applicable  to Residual
                                      Certificates' herein and 'Certain Federal Income Tax Consequences -- REMICs
                                      -- Taxation of Owners of REMIC Residual  Certificates -- Excess Inclusions'
                                      and '  -- Noneconomic  REMIC Residual Certificates' in the Prospectus.
                                      The Residual  Certificateholders may  be required  to report  an amount  of
                                      taxable  income with respect to the early years of the related REMIC's term
                                      that significantly  exceeds  distributions  on  the  Residual  Certificates
                                      during  such years,  with corresponding  tax deductions  or losses deferred
                                      until the  later years  of  the related  REMIC's  term. Accordingly,  on  a
                                      present  value basis, the tax detriments occurring in the earlier years may
                                      substantially exceed the sum of any tax  benefits in the later years. As  a
                                      result,  the Residual Certificateholders'  after-tax rate of  return may be
                                      zero or negative, even if their pre-tax rate of return is positive.
                                      See   'Certain   Yield    and   Prepayment   Considerations,'    especially
                                      '  --  Additional Yield  Considerations Applicable  Solely to  the Residual
                                      Certificates' and 'Certain Federal Income  Tax Consequences -- Special  Tax
                                      Considerations Applicable to Residual Certificates' herein.
                                      For  further information regarding  the federal income  tax consequences of
                                      investing in  the Offered  Certificates, see  'Certain Federal  Income  Tax
                                      Consequences' herein and in the Prospectus.
Legal Investment....................  The   Senior  Certificates  and  Class  M-1  Certificates  will  constitute
                                      'mortgage related securities' for purposes of SMMEA for so long as they are
                                      rated in  at  least the  second  highest rating  category  by one  or  more
                                      nationally   recognized   statistical  rating   agencies.  The   Class  M-2
                                      Certificates and  Class  M-3  Certificates will  not  constitute  'mortgage
                                      related  securities' for  purposes of SMMEA.  Institutions whose investment
                                      activities are subject to legal investment laws and regulations, regulatory
                                      capital requirements or review by regulatory authorities may be subject  to
                                      restrictions  on investment in the  Offered Certificates and should consult
                                      with their  legal  advisors.  See  'Legal  Investment'  herein  and  'Legal
                                      Investment Matters' in the Prospectus.
Ratings.............................  It  is a condition to  the issuance of the  Senior Certificates (other than
                                      the Principal  Only Certificates)  that  they be  rated  'AAA' by  each  of
                                      Standard  & Poor's  and Fitch.  It is  a condition  to the  issuance of the
                                      Principal Only Certificates that they be rated 'AAAr' by Standard &  Poor's
                                      and  'AAA' by  Fitch. It is  a condition to  the issuance to  the Class M-1
                                      Certificates that they be rated not lower  than 'AA' by each of Standard  &
                                      Poor's  and  Fitch. It  is a  condition to  the issuance  of the  Class M-2
                                      Certificates and Class M-3 Certificates that  they be rated not lower  than
                                      'A'  and 'BBB' by Fitch. A security  rating is not a recommendation to buy,
                                      sell or hold securities and may be subject to revision or withdrawal at any
                                      time by  the assigning  rating  organization. A  security rating  does  not
                                      address   the  frequency   of  prepayments   of  Mortgage   Loans,  or  the
                                      corresponding  effect  on  yield  to  investors.  See  'Certain  Yield  and
                                      Prepayment  Considerations' and 'Ratings' herein and 'Yield Considerations'
                                      in the Prospectus.
</TABLE>
 
                                      S-14


<PAGE>
<PAGE>
                        DESCRIPTION OF THE MORTGAGE POOL
 
GENERAL
 
     The  Mortgage  Pool  will  consist  of  Mortgage  Loans  with  an aggregate
principal balance outstanding as of  the Cut-off Date, after deducting  payments
of  principal due on such date, of  $451,652,076. The Mortgage Pool will consist
of conventional,  fixed-rate,  fully-amortizing,  level  monthly  payment  first
Mortgage  Loans with terms to  maturity of not more  than approximately 30 years
from the date  of origination or  modification. With respect  to Mortgage  Loans
which  have been modified, references herein to the date of origination shall be
deemed to be the date  of the most recent  modification. All percentages of  the
Mortgage Loans described herein are approximate percentages (except as otherwise
indicated) by aggregate principal balance as of the Cut-off Date.
 
     91.349%  of the  Mortgage Loans were  purchased by the  Company through its
affiliate Residential Funding from Unaffiliated Sellers as described herein  and
in  the Prospectus. 23.7%  of the Mortgage  Loans were purchased  from The Chase
Manhattan Mortgage Corp., an  Unaffiliated Seller. 16.1%  of the Mortgage  Loans
were  purchased from  and are  or will  be sub-serviced  by NationsBanc Mortgage
Corp, an Unaffiliated Seller. 8.651% of the Mortgage Loans were purchased by the
Company through its affiliate Residential Funding from GMAC Mortgage Corporation
of PA  (an affiliate  of the  Company).  Except as  described in  the  preceding
sentence,  no Unaffiliated Seller sold more than 3.962% of the Mortgage Loans to
Residential  Funding.  50.8%  of  the  Mortgage  Loans  are  being  or  will  be
subserviced  by Capstead Inc. and 14.4% of  the Mortgage Loans are being or will
be subserviced by GMAC Mortgage Corporation of PA.
 
     Pursuant to the terms of the  Pooling and Servicing Agreement, the  Company
will  assign the representations  and warranties made by  the related Sellers of
the Mortgage Loans to the Trustee for the benefit of the Certificateholders  and
will  also  make certain  limited representations  and warranties  regarding the
Mortgage Loans as of the  date of issuance of the  Certificates. To the best  of
the  Company's knowledge,  none of the  Mortgage Loans were  sold to Residential
Funding by Unaffiliated  Sellers that  are institutions which  are currently  in
receivership  or conservatorship or  involved in other  insolvency or bankruptcy
proceedings, or are no longer in existence. To the extent that any Seller of the
Mortgage Loans does not repurchase a Mortgage  Loan in the event of a breach  of
its  representations and warranties with respect  to such Mortgage Loan, neither
the Company nor Residential Funding will be required to repurchase such Mortgage
Loan unless such breach  also constitutes a  breach of one  of the Company's  or
Residential  Funding's  representations  and  warranties  with  respect  to such
Mortgage Loan and such breach materially and adversely affects the interests  of
the  Certificateholders  in any  such Mortgage  Loan.  In addition,  neither the
Company nor Residential Funding will be required to repurchase any Mortgage Loan
in the event of a breach of  its representations and warranties with respect  to
such Mortgage Loan if the substance of any such breach also constitutes fraud in
the  origination of such affected  Mortgage Loan. A limited  amount of losses on
Mortgage Loans as to which there was  fraud in the origination of such  Mortgage
Loans  will be covered by the Subordination  (as defined herein) provided by the
Class M  Certificates  and  Class  B  Certificates  as  described  herein  under
'Description of the Certificates -- Allocation of Losses; Subordination.'
 
     None  of the Mortgage Loans  will have been originated  prior to August 19,
1991 or will have a maturity date later than September 1, 2026. No Mortgage Loan
will have a remaining term to maturity as  of the Cut-off Date of less than  214
months. The weighted average remaining term to maturity of the Mortgage Loans as
of  the  Cut-off Date  will be  approximately 357  months. The  weighted average
original term to maturity of the Mortgage  Loans as of the Cut-off Date will  be
approximately 359 months.
 
     As  of  the  Cut-off Date,  no  Mortgage Loan  will  be one  month  or more
delinquent in payment of principal and interest.
 
     0.4% of the Mortgage Loans will be Buydown Mortgage Loans.
 
     No Mortgage Loan provides for deferred interest or negative amortization.
 
     Set forth below is a  description of certain additional characteristics  of
the  Mortgage  Loans as  of the  Cut-off Date  (except as  otherwise indicated).
Unless otherwise specified, all principal balances of the Mortgage Loans are  as
of the Cut-off Date and are rounded to the nearest dollar.
 
                                      S-15
 
<PAGE>
<PAGE>
                                 MORTGAGE RATES
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF                             PERCENT OF
MORTGAGE RATES (%)                                                MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- ------------------                                                --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
 6.625 -  6.749................................................            1          $     360,388            0.08%
 7.000 -  7.124................................................            4              1,444,522            0.32
 7.250 -  7.374................................................            2              1,086,080            0.24
 7.375 -  7.499................................................            3                851,183            0.19
 7.500 -  7.624................................................           10              2,878,342            0.64
 7.625 -  7.749................................................            8              2,115,252            0.47
 7.750 -  7.874................................................           19              6,398,133            1.42
 7.875 -  7.999................................................           27              8,425,771            1.87
 8.000 -  8.124................................................           49             14,745,713            3.26
 8.125 -  8.249................................................           73             22,120,155            4.90
 8.250 -  8.374................................................          128             35,838,410            7.93
 8.375 -  8.499................................................          139             41,231,058            9.13
 8.500 -  8.624................................................          237             68,486,537           15.16
 8.625 -  8.749................................................          190             53,502,829           11.85
 8.750 -  8.874................................................          231             66,442,864           14.71
 8.875 -  8.999................................................          178             46,482,536           10.29
 9.000 -  9.124................................................          110             28,091,901            6.22
 9.125 -  9.249................................................           58             16,266,328            3.60
 9.250 -  9.374................................................           62             13,183,154            2.92
 9.375 -  9.499................................................           32              8,289,078            1.84
 9.500 -  9.624................................................           27              6,403,992            1.42
 9.625 -  9.749................................................            9              2,050,794            0.45
 9.750 -  9.874................................................           10              2,984,820            0.66
 9.875 -  9.999................................................            2              1,322,801            0.29
10.125 - 10.249................................................            1                649,438            0.14
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
     As  of the Cut-off Date, the weighted average Mortgage Rate of the Mortgage
Loans will be approximately 8.6072% per annum.
 
                   ORIGINAL MORTGAGE LOAN PRINCIPAL BALANCES
 
<TABLE>
<CAPTION>
   ORIGINAL MORTGAGE                                                NUMBER OF                             PERCENT OF
     LOAN BALANCE                                                 MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- ---------------------------                                       --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
$       0 -  100,000...........................................          109          $   8,061,605            1.78%
$ 100,001 -  200,000...........................................          175             26,272,350            5.82
$ 200,001 -  300,000...........................................          849            213,837,736           47.35
$ 300,001 -  400,000...........................................          292            100,908,826           22.34
$ 400,001 -  500,000...........................................           98             44,243,366            9.80
$ 500,001 -  600,000...........................................           39             21,580,424            4.78
$ 600,001 -  700,000...........................................           29             18,619,334            4.12
$ 700,001 -  800,000...........................................            2              1,469,191            0.33
$ 800,001 -  900,000...........................................            4              3,366,299            0.75
$ 900,001 - 1,000,000..........................................           11             10,527,646            2.33
$1,200,001 - 1,300,000.........................................            1              1,297,854            0.29
$1,400,001 - 1,500,000.........................................            1              1,467,444            0.32
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
     As of  the  Cut-off Date,  the  average  unpaid principal  balance  of  the
Mortgage Loans will be approximately $280,529.
 
                                      S-16
 
<PAGE>
<PAGE>
                         ORIGINAL LOAN-TO-VALUE RATIOS
 
<TABLE>
<CAPTION>
ORIGINAL                                                            NUMBER OF                             PERCENT OF
LOAN-TO-VALUE RATIO (%)                                           MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- -----------------------                                           --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
 0.01 - 50.00..................................................           55          $  12,278,803            2.72%
50.01 - 55.00..................................................           36              8,373,053            1.85
55.01 - 60.00..................................................           42             10,406,984            2.30
60.01 - 65.00..................................................           83             26,040,072            5.77
65.01 - 70.00..................................................          115             36,892,123            8.17
70.01 - 75.00..................................................          247             64,030,533           14.18
75.01 - 80.00..................................................          707            207,800,599           46.01
80.01 - 85.00..................................................           19              5,730,099            1.27
85.01 - 90.00..................................................          212             57,480,994           12.73
90.01 - 95.00..................................................           94             22,618,816            5.01
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
     The  weighted average  Loan-to-Value Ratio  at origination  of the Mortgage
Loans will be approximately 77.24%.
 
                GEOGRAPHIC DISTRIBUTION OF MORTGAGED PROPERTIES
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF                             PERCENT OF
STATE                                                             MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- -----                                                             --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
California.....................................................          588          $ 178,189,716           39.45%
Texas..........................................................          114             32,478,146            7.19
New York.......................................................           98             26,033,303            5.76
Florida........................................................           87             19,256,745            4.26
Virginia.......................................................           63             19,122,018            4.23
New Jersey.....................................................           60             15,103,363            3.34
Colorado.......................................................           48             14,624,262            3.24
Georgia........................................................           53             14,416,548            3.19
Other (1)......................................................          499            132,427,973           29.32
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
- ------------
 
(1) Other  includes  states  and  the   District  of  Columbia  with  under   3%
    concentrations individually.
 
     No  more  than 0.7%  of the  Mortgage  Loans will  be secured  by Mortgaged
Properties located in any one zip code area in California and no more than  0.5%
of the Mortgage Loans will be secured by Mortgaged Properties located in any one
zip code area outside California.
 
                             MORTGAGE LOAN PURPOSE
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF                             PERCENT OF
LOAN PURPOSE                                                      MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- ------------                                                      --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
Purchase.......................................................        1,234          $ 344,689,420           76.32%
Rate/Term Refinance............................................          263             77,849,779           17.24
Equity Refinance...............................................          113             29,112,877            6.45
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
     The  weighted average Loan-to-Value  Ratio at origination  of rate and term
refinance Mortgage  Loans will  be 73.44%.  The weighted  average  Loan-to-Value
Ratio at origination of equity refinance Mortgage Loans will be 68.80%.
 
                                      S-17
 
<PAGE>
<PAGE>
                       MORTGAGE LOAN DOCUMENTATION TYPES
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF                             PERCENT OF
DOCUMENTATION TYPE                                                MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- ------------------                                                --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
Full Documentation.............................................        1,400          $ 412,167,215           91.26%
Reduced Documentation..........................................          210             39,484,861            8.74
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
     The  weighted average  Loan-to-Value Ratio  at origination  of the Mortgage
Loans which were underwritten under a reduced loan documentation program will be
66.92%. No more  than 24.4% of  such reduced loan  documentation Mortgage  Loans
will be secured by Mortgaged Properties located in California.
 
                                OCCUPANCY TYPES
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF                             PERCENT OF
OCCUPANCY                                                         MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- ---------                                                         --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
Primary Residence..............................................        1,575          $ 442,883,590           98.06%
Second/Vacation................................................           35              8,768,485            1.94
Non Owner-occupied.............................................            0                      0            0.00
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
                            MORTGAGED PROPERTY TYPES
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF                             PERCENT OF
PROPERTY TYPE                                                     MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- -------------                                                     --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
Single-family detached.........................................        1,140          $ 323,032,050           71.52%
Planned Unit Developments (detached)...........................          369            107,985,567           23.91
Two- to four-family units......................................            7              2,068,254            0.46
Condo Low-Rise (less than 5 stories)...........................           45              7,673,585            1.70
Condo Mid-Rise (5 to 8 stories)................................            2                412,841            0.09
Condo High-Rise (9 stories or more)............................            7              2,071,929            0.46
Townhouse......................................................            6              1,484,702            0.33
Townhouse (2 to 4 family units)................................            1                228,395            0.05
Planned Unit Developments (attached)...........................           26              5,282,355            1.17
Leasehold......................................................            3                644,693            0.14
Cooperative Units..............................................            4                767,705            0.17
                                                                      ------        -----------------    -------------
     Total.....................................................        1,610          $ 451,652,076          100.00%
                                                                      ------        -----------------    -------------
                                                                      ------        -----------------    -------------
</TABLE>
 
                                      S-18
 
<PAGE>
<PAGE>
                 NET MORTGAGE RATES OF DISCOUNT MORTGAGE LOANS
 
<TABLE>
<CAPTION>
                                                                    NUMBER OF                             PERCENT OF
NET MORTGAGE RATE (%)                                             MORTGAGE LOANS    PRINCIPAL BALANCE    MORTGAGE POOL
- ---------------------                                             --------------    -----------------    -------------
 
<S>                                                               <C>               <C>                  <C>
6.345..........................................................           1            $   360,388            0.08%
6.670..........................................................           1                240,870            0.05
6.720..........................................................           2                982,767            0.22
6.770..........................................................           1                220,886            0.05
6.920..........................................................           1                833,887            0.18
6.970..........................................................           1                252,193            0.06
7.045..........................................................           1                398,771            0.09
7.095..........................................................           1                212,591            0.05
7.170..........................................................           8              2,358,527            0.52
7.220..........................................................           2                525,447            0.12
7.270..........................................................           1                234,188            0.05
7.295..........................................................           4              1,258,029            0.28
7.320..........................................................           2                487,222            0.11
7.345..........................................................           2                370,000            0.08
7.420..........................................................          14              4,438,147            0.98
7.470..........................................................           4              1,282,216            0.28
7.482..........................................................           1                677,770            0.15
7.545..........................................................          14              3,922,927            0.87
7.595..........................................................          13              4,502,844            1.00
7.670..........................................................          20              5,642,945            1.25
7.720..........................................................          28              8,734,938            1.93
                                                                        ---         -----------------        -----
     Total.....................................................         122            $37,937,553            8.40%
                                                                        ---         -----------------        -----
                                                                        ---         -----------------        -----
</TABLE>
 
     As  of the Cut-off Date, the weighted  average of the Discount Fractions of
the Discount Mortgage Loans was approximately 3.4746%.
 
     In connection with the Mortgage Loans secured by a leasehold interest,  the
related  Seller shall have represented to  the Company that, among other things:
the use of leasehold estates for residential properties is an accepted  practice
in  the  area  where  the related  Mortgaged  Property  is  located; residential
property in such area consisting of leasehold estates is readily marketable; the
lease is recorded and no party is in any way in breach of any provision of  such
lease; the leasehold is in full force and effect and is not subject to any prior
lien or encumbrance by which the leasehold could be terminated or subject to any
charge  or penalty; and the remaining term  of the lease does not terminate less
than ten years after the maturity date of such Mortgage Loan.
 
     Certain aspects  of the  Cooperative Loans  included in  the Mortgage  Pool
differ  from those of other types of  Mortgage Loans. See 'Certain Legal Aspects
of Mortgage Loans -- Cooperative Loans' in the Prospectus.
 
PRIMARY MORTGAGE INSURANCE AND PRIMARY HAZARD INSURANCE
 
     Each Mortgage Loan is required to be covered by a standard hazard insurance
policy (a 'Primary Hazard  Insurance Policy'). In addition,  to the best of  the
Company's   knowledge,  each  Mortgage  Loan   with  a  Loan-to-Value  Ratio  at
origination in excess of 80% (except for one Mortgage Loan with a  Loan-to-Value
Ratio  at origination of  81%) will be  insured by a  primary mortgage insurance
policy (a 'Primary  Insurance Policy') covering  at least 25%  of the  principal
balance  of  the Mortgage  Loan  at origination  if  the Loan-to-Value  Ratio is
between 95.00% and 90.01% (except for  one Mortgage loan, covering at least  22%
of  the principal balance of the Mortgage Loan), at least 17% of such balance if
the Loan-to-Value Ratio is  between 90.00% and 85.01%  (except for one  Mortgage
Loan,  covering at least 12% of the principal balance of the Mortgage Loan), and
at least 12% of such  balance if the Loan-to-Value  Ratio is between 85.00%  and
80.01%.  Substantially all  of such  Primary Insurance  Policies were  issued by
General Electric Mortgage Insurance Corporation, PMI Mortgage Insurance Company,
Commonwealth Mortgage Assurance  Company, Republic  Mortgage Insurance  Company,
Mortgage  Guaranty Insurance Corporation,  United Guaranty Residential Insurance
Company or Amerin Guaranty  Corporation (collectively, the 'Primary  Insurers').
Each  Primary Insurer  has a claims  paying ability currently  acceptable to the
Rating Agencies  that have  been requested  to rate  the Certificates;  however,
there is
 
                                      S-19
 
<PAGE>
<PAGE>
no  assurance as to the actual ability of any Primary Insurer to pay claims. See
'Insurance Policies on Mortgage Loans' in the Prospectus.
 
ADDITIONAL INFORMATION
 
     The description in this Prospectus Supplement of the Mortgage Pool and  the
Mortgaged Properties is based upon the Mortgage Pool as constituted at the close
of  business  on  the Cut-off  Date,  as  adjusted for  the  scheduled principal
payments due  on or  before such  date. Prior  to the  issuance of  the  Offered
Certificates,  Mortgage Loans may be removed from  the Mortgage Pool as a result
of incomplete  documentation or  otherwise, if  the Company  deems such  removal
necessary  or appropriate. A limited number of other mortgage loans may be added
to the Mortgage  Pool prior  to the issuance  of the  Offered Certificates.  The
Company  believes that  the information set  forth herein  will be substantially
representative of  the  characteristics of  the  Mortgage  Pool as  it  will  be
constituted  at the time the Offered  Certificates are issued although the range
of Mortgage  Rates  and maturities  and  certain other  characteristics  of  the
Mortgage Loans in the Mortgage Pool may vary.
 
     A Current Report on Form 8-K will be available to purchasers of the Offered
Certificates  and  will  be  filed,  together  with  the  Pooling  and Servicing
Agreement, with the Securities and Exchange Commission within fifteen days after
the initial issuance of  the Offered Certificates. In  the event Mortgage  Loans
are  removed from or  added to the Mortgage  Pool as set  forth in the preceding
paragraph, such removal or addition will be noted in the Current Report on  Form
8-K.
 
                        DESCRIPTION OF THE CERTIFICATES
 
GENERAL
 
     The  Series 1996-S20  Mortgage Pass-Through  Certificates will  include the
following  fifteen   classes  (the   'Senior  Certificates'):   (i)  Class   A-1
Certificates  and Class A-2 Certificates (collectively, the 'PAC Certificates');
(ii) Class  A-3 Certificates  (together  with the  Class A-4  Certificates,  the
'Combination  Certificates');  (iii)  Class A-4  Certificates  (the 'Combination
Super Senior Certificates'); (iv) Class A-5 Certificates (the 'Companion Floater
Certificates'); (v)  Class  A-6  Certificates (the  'Companion  Inverse  Floater
Certificates';  and  together with  the Class  A-5 Certificates,  the 'Companion
Certificates'); (vi) Class A-7 Certificates;  (vii) Class A-8 Certificates  (the
'Lockout   Senior  Support  Certificates';  and  together  with  the  Class  A-7
Certificates, the 'Lockout Certificates'); (viii) Class A-9 Certificates,  Class
A-10  Certificates, Class  A-11 Certificates  and Class  A-12 Certificates; (ix)
Class A-13 Certificates (the 'Principal  Only Certificates'); and (x) Class  R-I
Certificates    and   Class   R-II   Certificates   (together,   the   'Residual
Certificates'). In  addition to  the Senior  Certificates, the  Series  1996-S20
Mortgage  Pass-Through Certificates will also include six classes of subordinate
certificates which  are designated  as  the Class  M-1 Certificates,  Class  M-2
Certificates   and   Class  M-3   Certificates   (collectively,  the   'Class  M
Certificates') and the Class B-1 Certificates, Class B-2 Certificates and  Class
B-3  Certificates (collectively, the  'Class B Certificates'  and, together with
the Class M Certificates and Senior Certificates, the 'Certificates'). Only  the
Senior  Certificates  (other  than  the  Class  A-4  Certificates)  and  Class M
Certificates (together, the 'Offered Certificates') are offered hereby.
 
     The Class  A-3  Certificates and  Class  A-7 Certificates  consist  of  the
following  components in the  following respective principal  amounts and having
the following respective interest rates and other features:
 
<TABLE>
<S>                                                 <C>            <C>       <C>
Class A-3 Component 1............................   $54,607,000    7.500%     TAC/Accretion
                                                                             Directed/Senior
Class A-3 Component 2............................   $14,166,000    7.500%       PAC/Senior
Class A-7 Component 1............................   $10,011,000    7.750%     Lockout/Senior
Class A-7 Component 2............................   $10,011,000    7.750%     Lockout/Senior
</TABLE>
 
     The Class A-3 Component 1 (the 'Class A-3 TAC Accretion Directed  Principal
Component')  and Class A-3 Component 2 (the 'Class A-3 PAC Principal Component')
are referred to collectively herein as the 'Class A-3 Components.' The Class A-7
Component 1 and Class A-7 Component 2 are referred to collectively herein as the
'Class A-7 Lockout Components.'
 
     The Class A-3 PAC Principal Component and Class A-4 PAC Principal Component
are referred  to collectively  herein as  the 'PAC  Principal Components'  (and,
together with the Class A-4 PAC Interest Only
 
                                      S-20
 
<PAGE>
<PAGE>
Component, the 'PAC Components'). The Class A-3 TAC Accretion Directed Principal
Component,  Class A-4 TAC  Accretion Directed Principal  Component and Class A-4
TAC Accrual Principal Component are referred to collectively herein as the  'TAC
Principal  Components'  (and,  together with  the  Class A-4  TAC  Interest Only
Component, the 'TAC Components').
 
     The Class A-4 Certificates,  which are not offered  hereby, consist of  the
following  components in the  following respective principal  amounts and having
the following respective interest rates and other features:
 
<TABLE>
<S>                                       <C>            <C>         <C>
Class A-4 Component Z..................   $50,557,000     7.750%           TAC/Accrual/
                                                                           Super Senior
Class A-4 Component 2..................   $ 3,717,000     7.750%         PAC/Super Senior
Class A-4 Component 3..................   $         0    Variable       PAC/Interest Only/
                                                                           Super Senior
Class A-4 Component 4..................   $         0     0.250%        TAC/Interest Only/
                                                                           Super Senior
Class A-4 Component 5..................   $51,711,000     7.750%     TAC/Accretion Directed/
                                                                           Super Senior
</TABLE>
 
     The  Class  A-4  Component  Z   (the  'Class  A-4  TAC  Accrual   Principal
Component'),  Class A-4 Component  2 (the 'Class  A-4 PAC Principal Component'),
Class A-4 Component 3 (the 'Class  A-4 PAC Interest Only Component'), Class  A-4
Component  4  (the  'Class  A-4  TAC Interest  Only  Component')  and  Class A-4
Component 5 (the  'Class A-4  TAC Accretion Directed  Principal Component')  are
referred to herein collectively as the 'Class A-4 Components.'
 
     None  of  the  components  of  any  class  of  Certificates  are separately
transferrable.
 
     The Certificates,  together with  the  rights to  the Excess  Spread,  will
evidence  the entire beneficial ownership interest  in the Trust Fund. The Trust
Fund will consist of: (i) the Mortgage  Loans; (ii) such assets as from time  to
time  are  identified as  deposited  in respect  of  the Mortgage  Loans  in the
Custodial Account and  in the  Certificate Account  and belonging  to the  Trust
Fund;  (iii) property acquired by foreclosure of  such Mortgage Loans or deed in
lieu of  foreclosure; and  (iv) any  applicable Primary  Insurance Policies  and
Primary Hazard Insurance Policies and all proceeds thereof.
 
     The  Principal Only Certificates will be  entitled to payments based on the
Discount Fraction of the  Discount Mortgage Loans. A  Discount Mortgage Loan  is
any  Mortgage Loan  with a Net  Mortgage Rate  less than 7.750%  per annum. With
respect to each  Discount Mortgage  Loan, the Discount  Fraction is  equal to  a
fraction,  expressed as a percentage, the numerator of which is 7.750% minus the
Net Mortgage Rate for such Discount  Mortgage Loan and the denominator of  which
is  7.750%.  The  Mortgage Loans  other  than  the Discount  Mortgage  Loans are
referred to herein as the Non-Discount Mortgage Loans.
 
     The DTC Registered Certificates will be issued, maintained and  transferred
on  the  book-entry records  of  DTC and  its  Participants. The  DTC Registered
Certificates will be  issued in  minimum denominations of  $25,000 and  integral
multiples of $1 in excess thereof. The Principal Only Certificates and Class M-1
Certificates  will  be  issued  in  registered,  certificated  form  in  minimum
denominations of $25,000  and integral  multiples of $1,000  in excess  thereof,
except  for one Principal  Only Certificate and one  Class M-1 Certificate, each
evidencing the sum of  an authorized denomination thereof  and the remainder  of
the   aggregate  initial  Certificate   Principal  Balance  of   such  class  of
Certificates. The  Class M-2  Certificates and  Class M-3  Certificates will  be
issued  in registered, certificated  form, in minimum  denominations of $250,000
and integral multiples  of $1,000 in  excess thereof, except  for one Class  M-2
Certificate,  evidencing the sum  of an authorized  denomination thereof and the
remainder of the aggregate initial  Certificate Principal Balance of such  class
of  Certificates.  The  Residual  Certificates  will  be  issued  in registered,
certificated form in minimum denominations of a 20% Percentage Interest, except,
in the case  of one Class  R-I Certificate  and one Class  R-II Certificate,  as
otherwise set forth herein under 'Certain Federal Income Tax Consequences.'
 
     The  DTC  Registered  Certificates  will  be  represented  by  one  or more
certificates registered in the name of the nominee of DTC. The Company has  been
informed  by DTC that DTC's  nominee will be Cede  & Co. ('Cede'). No Beneficial
Owner will be entitled to receive a Definitive Certificate, except as set  forth
below   under  '   --  Book-Entry   Registration  of   Certain  of   the  Senior
Certificates  --   Definitive  Certificates.'   Unless  and   until   Definitive
Certificates  are issued for  the DTC Registered  Certificates under the limited
circumstances described herein, all references to actions by  Certificateholders
with respect to the DTC Registered Certificates
 
                                      S-21
 
<PAGE>
<PAGE>
shall refer to actions taken by DTC upon instructions from its Participants, and
all  references  herein to  distributions,  notices, reports  and  statements to
Certificateholders with respect to the  DTC Registered Certificates shall  refer
to  distributions,  notices,  reports and  statements  to  DTC or  Cede,  as the
registered holder  of  the  DTC Registered  Certificates,  for  distribution  to
Beneficial Owners by DTC in accordance with DTC procedures.
 
BOOK-ENTRY REGISTRATION OF CERTAIN OF THE SENIOR CERTIFICATES
 
     General.  Beneficial Owners that are not Participants or Intermediaries but
desire to purchase, sell or otherwise transfer ownership of, or other  interests
in,  the related DTC Registered Certificates may do so only through Participants
and  Intermediaries.   In  addition,   Beneficial   Owners  will   receive   all
distributions  of  principal  of  and interest  on  the  related  DTC Registered
Certificates from the  Paying Agent through  DTC and Participants.  Accordingly,
Beneficial Owners may experience delays in their receipt of payments. Unless and
until  Definitive  Certificates  are  issued  for  the  related  DTC  Registered
Certificates, it is  anticipated that the  only registered Certificateholder  of
such  DTC Registered  Certificates will be  Cede, as nominee  of DTC. Beneficial
Owners will  not  be  recognized  by  the Trustee  or  the  Master  Servicer  as
Certificateholders, as such term is used in the Pooling and Servicing Agreement,
and  Beneficial Owners  will be  permitted to  receive information  furnished to
Certificateholders  and  to  exercise  the  rights  of  Certificateholders  only
indirectly through DTC, its Participants and Intermediaries.
 
     Under  the rules, regulations and procedures creating and affecting DTC and
its operations (the 'Rules'),  DTC is required to  make book-entry transfers  of
DTC  Registered  Certificates among  Participants  and to  receive  and transmit
distributions  of  principal   of,  and   interest  on,   such  DTC   Registered
Certificates.  Participants and Intermediaries with which Beneficial Owners have
accounts with respect to such DTC Registered Certificates similarly are required
to make  book-entry transfers  and receive  and transmit  such distributions  on
behalf  of their respective Beneficial  Owners. Accordingly, although Beneficial
Owners will not possess physical certificates evidencing their interests in  the
DTC  Registered Certificates, the Rules provide  a mechanism by which Beneficial
Owners,  through   their   Participants   and   Intermediaries,   will   receive
distributions and will be able to transfer their interests in the DTC Registered
Certificates.
 
     None  of the  Company, the  Master Servicer  or the  Trustee will  have any
liability for  any actions  taken  by DTC  or  its nominee,  including,  without
limitation,  actions for any aspect of the  records relating to or payments made
on account of beneficial ownership interests in the DTC Registered  Certificates
held  by Cede, as nominee for DTC,  or for maintaining, supervising or reviewing
any records relating to such beneficial ownership interests.
 
     Definitive  Certificates.  Definitive  Certificates   will  be  issued   to
Beneficial  Owners or  their nominees, respectively,  rather than to  DTC or its
nominee, only under  the limited conditions  set forth in  the Prospectus  under
'Description of the Certificates -- Form of Certificates.'
 
     Upon  the occurrence of an  event described in the  Prospectus in the third
paragraph under 'Description of the  Certificates -- Form of Certificates,'  the
Trustee  is required to notify, through  DTC, Participants who have ownership of
DTC  Registered  Certificates  as  indicated  on  the  records  of  DTC  of  the
availability  of Definitive Certificates for  their DTC Registered Certificates.
Upon surrender  by  DTC of  the  definitive certificates  representing  the  DTC
Registered   Certificates  and  upon  receipt   of  instructions  from  DTC  for
re-registration, the Trustee  will reissue  the DTC  Registered Certificates  as
Definitive  Certificates  issued in  the respective  principal amounts  owned by
individual Beneficial Owners, and thereafter the Trustee and the Master Servicer
will recognize the holders of such Definitive Certificates as Certificateholders
under the Pooling and Servicing Agreement.
 
     For  additional   information  regarding   DTC  and   the  DTC   Registered
Certificates,  see 'Description of the Certificates  -- Form of Certificates' in
the Prospectus.
 
AVAILABLE DISTRIBUTION AMOUNT
 
     The 'Available Distribution Amount' for  any Distribution Date is equal  to
the  sum of (i) the aggregate amount of scheduled payments on the Mortgage Loans
due  on  the  related  Due  Date  and  received  on  or  prior  to  the  related
Determination Date, after deduction of the related master servicing fees and any
subservicing fees (collectively, the 'Servicing Fees'), (ii) certain unscheduled
payments, including Mortgagor prepayments on the
 
                                      S-22
 
<PAGE>
<PAGE>
Mortgage  Loans,  Insurance  Proceeds, Liquidation  Proceeds  and  proceeds from
repurchases of and  substitutions for  the Mortgage Loans  occurring during  the
preceding calendar month and (iii) all Advances made for such Distribution Date,
in  each case net of  amounts reimbursable therefrom to  the Master Servicer and
any  Subservicer.  In  addition  to  the  foregoing  amounts,  with  respect  to
unscheduled   collections,  not  including  Mortgagor  prepayments,  the  Master
Servicer  may  elect  to  treat  such  amounts  as  included  in  the  Available
Distribution  Amount for the Distribution  Date in the month  of receipt, but is
not obligated to do so. As  described herein under ' -- Principal  Distributions
on the Senior Certificates,' any such amount with respect to which such election
is  so made  shall be treated  as having  been received on  the last  day of the
preceding calendar month for the purposes of calculating the amount of principal
and interest distributions  to any class  of Certificates. With  respect to  any
Distribution  Date, (i) the Due Date is the first day of the month in which such
Distribution Date occurs and (ii) the Determination Date is the 20th day of  the
month  in which such Distribution Date occurs or,  if such day is not a business
day, the immediately succeeding business day.
 
INTEREST DISTRIBUTIONS
 
     Holders of each class of Senior Certificates (other than the Principal Only
Certificates) will be entitled  to receive interest  distributions in an  amount
equal  to the  Accrued Certificate Interest  on such class  on each Distribution
Date, concurrently with distributions of the Excess Spread to the owner thereof,
to the extent of  the Available Distribution Amount  for such Distribution  Date
commencing  on the first Distribution Date in  the case of all classes of Senior
Certificates (other than the Class A-4 Certificates, to the extent of the  Class
A-4  TAC Accrual  Principal Component thereof)  and commencing  on the Accretion
Termination Date (as defined  below) in the  case of the  Class A-4 TAC  Accrual
Principal  Component.  Holders of  each class  of Class  M Certificates  will be
entitled to receive  interest distributions in  an amount equal  to the  Accrued
Certificate  Interest on such class on each  Distribution Date, to the extent of
the Available Distribution Amount for such Distribution Date after distributions
of interest  and  principal  to  the Senior  Certificates,  the  Excess  Spread,
reimbursements  for certain Advances to the Master Servicer and distributions of
interest and principal  to any  class of Class  M Certificates  having a  higher
payment priority.
 
     With respect to any Distribution Date, Accrued Certificate Interest will be
equal to (a) in the case of each class of Certificates (other than the Companion
Certificates,  Class A-4 Certificates and Principal Only Certificates), interest
accrued during the related Interest Accrual Period on the Certificate  Principal
Balance of the Certificates of such class immediately prior to such Distribution
Date  at  the  related Pass-Through  Rate,  (b)  in the  case  of  the Companion
Certificates, interest accrued during the related Interest Accrual Period on the
Certificate Principal  Balance thereof  immediately prior  to such  Distribution
Date  at the then-applicable Pass-Through Rate and  (c) in the case of the Class
A-4 Certificates, interest accrued during the related Interest Accrual Period on
the principal amount of each component thereof (or the Notional Amounts  thereof
in  the case  of the  Class A-4 PAC  Interest Only  Component and  Class A-4 TAC
Interest Only  Component) immediately  prior to  such Distribution  Date at  the
related  Pass-Through Rate therefor,  in each case  less interest shortfalls, if
any, allocated thereto for such Distribution Date to the extent not covered with
respect to the Senior Certificates by the Subordination provided by the Class  B
Certificates  and  Class  M  Certificates  and,  with  respect  to  the  Class M
Certificates to the  extent not  covered by  the Subordination  provided by  the
Class  B Certificates and any class or  classes of Class M Certificates having a
lower payment  priority, including  in  each case  (i) any  Prepayment  Interest
Shortfall (as defined below) to the extent not covered by the Master Servicer as
described  below,  (ii)  the  interest portions  of  Realized  Losses (including
Special Hazard Losses in  excess of the Special  Hazard Amount ('Excess  Special
Hazard  Losses'), Fraud Losses in excess of the Fraud Loss Amount ('Excess Fraud
Losses'), Bankruptcy Losses  in excess  of the Bankruptcy  Loss Amount  ('Excess
Bankruptcy  Losses') and losses  occasioned by war,  civil insurrection, certain
governmental actions, nuclear reaction  and certain other risks  ('Extraordinary
Losses')) not allocated through Subordination, (iii) the interest portion of any
Advances  that  were made  with respect  to  delinquencies that  were ultimately
determined to  be Excess  Special  Hazard Losses,  Excess Fraud  Losses,  Excess
Bankruptcy   Losses  or  Extraordinary  Losses,  and  (iv)  any  other  interest
shortfalls not covered by Subordination, including interest shortfalls  relating
to  the Relief  Act (as  defined in  the Prospectus)  or similar  legislation or
regulations, all allocated as described below. Distributions of Excess Spread to
the owner thereof  on each Distribution  Date will also  be reduced by  interest
shortfalls  not  covered  by  Subordination, if  any.  Such  reductions  will be
allocated among the holders of all classes of Certificates (and, in the case  of
the  Combination  Certificates and  Class  A-7 Certificates,  to  each component
thereof) and the  owner of  the Excess Spread  in proportion  to the  respective
amounts    of    Accrued    Certificate    Interest    and    the    amount   of
 
                                      S-23
 
<PAGE>
<PAGE>
Excess Spread that would have been payable on such Distribution Date absent such
reductions. In  the  case  of  each  class  of  Class  M  Certificates,  Accrued
Certificate  Interest on such class will be further reduced by the allocation of
the interest portion of certain losses thereto, if any, as described below under
' -- Allocation of Losses; Subordination.' Accrued Certificate Interest on  each
class  of Senior Certificates  will be distributed  concurrently with the Excess
Spread on a pro  rata basis. Accrued Certificate  Interest is calculated on  the
basis  of a 360-day year consisting of  twelve 30-day months. The Principal Only
Certificates are not entitled to distributions of interest.
 
     The Interest Accrual Period for all classes of Certificates (other than the
Companion Certificates) is the calendar month preceding the month in which  such
Distribution  Date  occurs.  The  Interest  Accrual  Period  for  the  Companion
Certificates is the  one-month period commencing  on the 25th  day of the  month
immediately  preceding  the month  in which  such  Distribution Date  occurs and
ending on the  24th day of  the month  in which such  Distribution Date  occurs.
Notwithstanding the foregoing, the distributions of interest on any Distribution
Date for all classes of Certificates, including the Companion Certificates, will
reflect  interest accrued,  and receipts with  respect thereto,  on the Mortgage
Loans for the  preceding calendar  month, as may  be reduced  by any  Prepayment
Interest Shortfall and other shortfalls in collections of interest to the extent
described herein.
 
     The  Notional Amount of the Class A-4  PAC Interest Only Component is equal
to the sum of the Certificate  Principal Balances of the Class A-1  Certificates
and  Class A-2 Certificates and principal amount  of the Class A-3 PAC Principal
Component, and the Notional Amount of the Class A-4 TAC Interest Only  Component
is  equal  to the  principal  amount of  the  Class A-3  TAC  Accretion Directed
Principal Component. References herein to  Notional Amounts are used solely  for
certain  calculations and do not represent the right of any component of a Class
of Certificates to receive distributions of such amounts.
 
     The Accretion  Termination  Date  is  the  earlier  to  occur  of  (i)  the
Distribution  Date on which the principal amounts of the Class A-3 TAC Accretion
Directed Principal  Component and  Class A-4  TAC Accretion  Directed  Principal
Component  have been reduced to zero and (ii) the Credit Support Depletion Date.
On each Distribution Date  preceding the Accretion  Termination Date, an  amount
equal to the amount of Accrued Certificate Interest on the Class A-4 TAC Accrual
Principal  Component for such  date (the 'Accrual  Distribution Amount') will be
added to  the  principal amount  of  such component,  and  such amount  will  be
distributed  to the holders of  the Class A-3 Certificates,  in reduction of the
Class  A-3  TAC   Accretion  Directed   Principal  Component,   and  Class   A-4
Certificates,  in reduction  of the Class  A-4 TAC  Accretion Directed Principal
Component, on a  pro rata  basis (in  proportion to  their respective  principal
amounts), until the principal amounts thereof are reduced to zero. The amount so
added  to  the amount  of the  Class  A-4 TAC  Accrual Principal  Component will
thereafter accrue interest at a rate  of 7.750% per annum. On each  Distribution
Date on or after the Accretion Termination Date, the Accrual Distribution Amount
will  be payable to the holders of the  Class A-4 Certificates to the extent not
required to  fully  retire  the  Class  A-3  TAC  Accretion  Directed  Principal
Component  and  Class A-4  TAC Accretion  Directed  Principal Component  on such
Accretion Termination Date; provided, however, that if the Accretion Termination
Date is  the Credit  Support  Depletion Date,  the entire  Accrual  Distribution
Amount  for  such  date  will  be  payable  to  the  holders  of  the  Class A-4
Certificates.
 
     The Prepayment Interest Shortfall for any Distribution Date is equal to the
aggregate shortfall, if any, in collections of interest (adjusted to the related
Net Mortgage Rates) resulting from  Mortgagor prepayments on the Mortgage  Loans
during  the  preceding  calendar  month.  Such  shortfalls  will  result because
interest on prepayments in full is  distributed only to the date of  prepayment,
and  because  no  interest  is  distributed  on  prepayments  in  part,  as such
prepayments in part are applied to  reduce the outstanding principal balance  of
the  related  Mortgage Loans  as of  the Due  Date in  the month  of prepayment.
However,  with  respect  to  any  Distribution  Date,  any  Prepayment  Interest
Shortfalls  resulting  from prepayments  in full  during the  preceding calendar
month will  be offset  by  the Master  Servicer, but  only  to the  extent  such
Prepayment  Interest Shortfalls do not  exceed an amount equal  to the lesser of
(a) one-twelfth of 0.125% of the Stated Principal Balance (as defined herein) of
the Mortgage Loans immediately preceding such Distribution Date and (b) the  sum
of  the master servicing  fee payable to  the Master Servicer  in respect of its
master servicing  activities  and reinvestment  income  received by  the  Master
Servicer  on amounts payable with respect  to such Distribution Date. Prepayment
Interest Shortfalls resulting from partial prepayments will not be offset by the
Master Servicer from  master servicing compensation  or otherwise. No  assurance
can  be  given  that  the  master  servicing  compensation  available  to  cover
Prepayment Interest Shortfalls  will be  sufficient therefor.  See 'Pooling  and
Servicing Agreement -- Servicing and Other Compensation and Payment of Expenses'
herein.
 
                                      S-24
 
<PAGE>
<PAGE>
     If  on any Distribution Date the Available Distribution Amount is less than
Accrued Certificate Interest on  the Senior Certificates and  the amount of  the
Excess  Spread for such Distribution Date, the shortfall will be allocated among
the holders of  all classes  of Senior  Certificates (and,  in the  case of  the
Combination  Certificates and Class A-7 Certificates, to each component thereof)
and the owner of the  Excess Spread in proportion  to the respective amounts  of
Accrued   Certificate  Interest  and  the  amount  of  Excess  Spread  for  such
Distribution Date, subject to  the priorities described  herein with respect  to
the   Combination  Super   Senior  Certificates   and  Lockout   Senior  Support
Certificates on or  after the  Credit Support  Deletion Date.  In addition,  the
amount  of  any  such  interest shortfalls  that  are  covered  by Subordination
(specifically, interest shortfalls not described in clauses (i) through (iv)  in
the  fifth preceding paragraph) will be  unpaid Accrued Certificate Interest and
will be distributable to holders of the Certificates of such classes entitled to
such amounts  and the  owner of  the Excess  Spread on  subsequent  Distribution
Dates, to the extent of available funds after interest distributions as required
herein.  Such  shortfalls  could occur,  for  example, if  delinquencies  on the
Mortgage Loans were  exceptionally high  and were concentrated  in a  particular
month  and Advances by the Master Servicer did not cover the shortfall. Any such
amounts so carried forward will not bear interest. Any interest shortfalls  will
not  be  offset by  a  reduction in  the  servicing compensation  of  the Master
Servicer or otherwise, except to the  limited extent described in the  preceding
paragraph   with  respect  to  Prepayment  Interest  Shortfalls  resulting  from
prepayments in full.
 
     Prior  to  the  Accretion  Termination  Date,  interest  shortfalls  to  be
allocated  to  the Class  A-4 Certificates,  to  the extent  of the  TAC Accrual
Principal Component, will be so allocated  by reducing the amount that is  added
to   such  component  in  respect  of   Accrued  Certificate  Interest  on  such
Distribution Date. This reduction will correspond  to a reduction in the  amount
available   to  be  distributed  in  respect  of  principal  on  the  applicable
Distribution Date to the  Class A-3 TAC  Accretion Directed Principal  Component
and  Class A-4 TAC Accretion Directed  Principal Component, respectively, to the
extent such components would have been entitled to such amounts, and will  cause
the  principal  amounts  of  the  Class  A-3  TAC  Accretion  Directed Principal
Component  and   Class  A-4   TAC   Accretion  Directed   Principal   Component,
respectively,  to be reduced to zero later than would otherwise be the case. See
'Certain Yield and Prepayment Considerations' herein.
 
     Any interest shortfalls  allocated to  the Class A-4  Certificates, to  the
extent  of the  Class A-4 TAC  Accrual Principal Component,  on any Distribution
Date will cause  the Certificate Principal  Balance of such  Certificates to  be
less  than would  otherwise be the  case and  will reduce the  amount of Accrued
Certificate  Interest  that  will  accrue   on  such  Certificates  after   such
Distribution Date.
 
     The  Pass-Through Rates on all classes  of Offered Certificates (other than
the Companion Certificates and  Principal Only Certificates)  are fixed and  are
set  forth  on  the  cover  hereof.  The  Pass-Through  Rates  on  the Companion
Certificates are calculated as follows:
 
          (1) The Pass-Through Rate on  the Companion Floater Certificates  with
     respect to the initial Interest Accrual Period is 6.8375% per annum, and as
     to  any Interest Accrual Period thereafter, the Pass-Through Rate will be a
     per annum rate  equal to  1.4000% plus the  arithmetic mean  of the  London
     interbank  offered  rate  quotations  for  one-month  Eurodollar  deposits,
     determined monthly  as set  forth herein  ('LIBOR') (subject  to a  maximum
     Pass-Through  Rate of 9.0000% per annum  and a minimum Pass-Through Rate of
     1.4000% per annum).
 
          (2)  The   Pass-Through  Rate   on  the   Companion  Inverse   Floater
     Certificates  with  respect  to  the  initial  Interest  Accrual  Period is
     13.4075% per annum, and as to  any Interest Accrual Period thereafter,  the
     Pass-Through  Rate  will be  a per  annum  rate equal  to 47.12%  minus the
     product of 6.2 and LIBOR (subject to a maximum Pass-Through Rate of  47.12%
     per annum and a minimum Pass-Through Rate of 0.00% per annum).
 
     The  Pass-Through Rates on  the Companion Certificates  for the current and
immediately preceding calendar month may be obtained by telephoning the  Trustee
at 1-800-735-7777.
 
     The  Pass-Through Rate on the Class A-4 PAC Interest Only Component on each
Distribution Date is equal  to the weighted  average of the  Strip Rates on  the
Class  A-1 Certificates, Class A-2 Certificates  and the Class A-3 PAC Principal
Component based  on  the Certificate  Principal  Balances and  principal  amount
thereof  immediately prior to such Distribution  Date. The related Strip Rate on
the Class A-1 Certificates, Class A-2  Certificates and Class A-3 PAC  Principal
Component   is  equal  to  7.750%  minus  the  related  Pass-Through  Rate.  The
Pass-Through Rate on the Class A-4 TAC Interest Only Component is equal to 0.25%
per annum. The Pass-
 
                                      S-25
 
<PAGE>
<PAGE>
Through Rates on the  Class A-4 TAC Accrual  Principal Component, Class A-4  PAC
Principal Component and Class A-4 TAC Accretion Directed Principal Component are
each equal to 7.750% per annum.
 
     As  described herein,  the Accrued  Certificate Interest  allocable to each
class of  Certificates  (other than  the  Principal Only  Certificates  and  the
Combination  Certificates) is based on the Certificate Principal Balance thereof
or, in  the case  of  the Combination  Certificates,  on the  related  principal
amounts  or Notional Amounts of the  various components thereof. The Certificate
Principal Balance of  any Offered  Certificate or  the principal  amount of  any
component  of the  Combination Certificates as  of any date  of determination is
equal to the initial Certificate  Principal Balance or initial principal  amount
thereof,  plus, in the case of the Class A-4 TAC Accrual Principal Component, an
amount equal  to  the  aggregate  Accrued  Certificate  Interest  added  to  the
principal amount of such component, on each Distribution Date on or prior to the
Accretion  Termination  Date,  reduced  by  the  aggregate  of  (a)  all amounts
allocable to principal previously distributed with respect to such  Certificates
or  components and (b)  any reductions in the  Certificate Principal Balances or
principal amounts thereof deemed to have occurred in connection with allocations
of Realized Losses  in the  manner described  herein, provided  that, after  the
Certificate  Principal Balances of the Class B Certificates have been reduced to
zero, the Certificate Principal Balance of any Certificate of the class of Class
M Certificates  outstanding with  the lowest  payment priority  shall equal  the
percentage  interest evidenced thereby times the excess, if any, of (a) the then
aggregate Stated Principal  Balance of all  of the Mortgage  Loans over (b)  the
then   aggregate  Certificate  Principal   Balance  of  all   other  classes  of
Certificates then outstanding.
 
     Pursuant to the terms  of the Pooling and  Servicing Agreement, the  Master
Servicer will be obligated to remit to Residential Funding the Excess Spread. As
of  any Distribution Date, the Excess Spread will be equal to one-twelfth of the
Spread Rate on such Mortgage Loan multiplied by the Stated Principal Balance  of
such  Mortgage Loan immediately prior to such Distribution Date. The Spread Rate
on each Mortgage Loan  is equal to  the Net Mortgage  Rate thereon minus  7.750%
(but not less than 0.000%). The Net Mortgage Rate on each Mortgage Loan is equal
to  the Mortgage  Rate thereon  minus the  rate per  annum at  which the related
master servicing and subservicing fees accrue (the 'Servicing Fee Rate'). As  of
the  Cut-Off Date, the Spread  Rates on the Mortgage  Loans range between 0.000%
per annum and 2.045% per  annum and the initial  weighted average of the  Spread
Rates is approximately 0.5825% per annum.
 
DETERMINATION OF LIBOR
 
     The  Pass-Through  Rates on  the  Companion Certificates  for  any Interest
Accrual Period after the initial Interest  Accrual Period will be determined  as
described below.
 
     On each Distribution Date, LIBOR shall be established by the Trustee and as
to  any Interest Accrual Period, LIBOR will equal the rate for the United States
dollar deposits for  one month which  appears on the  Dow Jones Telerate  Screen
Page  3750 as of 11:00 A.M., London time, on the LIBOR Business Day prior to the
first day of  such Interest  Accrual Period  (a 'LIBOR  Rate Adjustment  Date').
'Telerate  Screen Page 3750'  means the display  designated as page  3750 on the
Telerate Service (or such other  page as may replace  page 3750 on that  service
for the purpose of displaying London interbank offered rates of major banks). If
such  rate does not appear on such page  (or such other page as may replace that
page on  that service,  or if  such service  is no  longer offered,  such  other
service  for displaying  LIBOR or  comparable rates  as may  be selected  by the
Trustee after  consultation with  the Master  Servicer), the  rate will  be  the
Reference  Bank Rate. The 'Reference Bank Rate'  will be determined on the basis
of the rates at which deposits in the U.S. Dollars are offered by the  reference
banks  (which shall be three major banks that are engaged in transactions in the
London interbank market,  selected by  the Trustee after  consultation with  the
Master  Servicer) as of  11:00 A.M., London time,  on the day  that is one LIBOR
Business Day prior to the immediately preceding Distribution Date to prime banks
in  the  London  interbank  market  for  a  period  of  one  month  in   amounts
approximately  equal  to the  Certificate  Principal Balances  of  the Companion
Certificates then outstanding.  The Trustee  will request  the principal  London
office  of each of the reference banks to provide a quotation of its rate. If at
least two such quotations are provided, the rate will be the arithmetic mean  of
the rates quoted by one or major banks in New York City, selected by the Trustee
after  consultation with the  Master Servicer, as  of 11:00 A.M.,  New York City
time, on such date  for loans in  U.S. dollars to leading  European banks for  a
period of one month in amounts approximately equal to the Companion Certificates
then  outstanding. If no such quotations can be obtained, the rate will be LIBOR
for the  prior  Distribution Date,  or  in the  case  of the  first  LIBOR  Rate
Adjustment Date, 5.4375%. 'LIBOR Business
 
                                      S-26
 
<PAGE>
<PAGE>
Day'  means any day other than (i) a Saturday or a Sunday or (ii) a day on which
banking institutions in the city of  London, England are required or  authorized
by law to be closed.
 
     The  establishment of  LIBOR by  the Trustee  and the  Trustee's subsequent
calculation of the Pass-Through Rates  applicable to the Companion  Certificates
for the relevant Interest Accrual Period, in the absence of manifest error, will
be final and binding.
 
PRINCIPAL DISTRIBUTIONS ON THE SENIOR CERTIFICATES
 
     Except  as provided below,  holders of the  Senior Certificates (other than
the Class A-4 Certificates,  to the extent  of the Class  A-4 PAC Interest  Only
Component  and Class A-4 TAC Interest Only  Component, which are not entitled to
receive  distributions  in  respect  of   principal,  and  the  Principal   Only
Certificates)  will be  entitled to  receive on  each Distribution  Date, in the
priority set forth  herein and to  the extent  of the portion  of the  Available
Distribution  Amount remaining after the aggregate amount of Accrued Certificate
Interest to be  distributed to the  holders of the  Senior Certificates and  the
amount  of the  Excess Spread for  such Distribution Date  (the 'Senior Interest
Distribution Amount') and  the Principal  Only Distribution  Amount (as  defined
below), a distribution allocable to principal equal to the sum of the following:
 
          (i)  the product of (A) the  then-applicable Senior Percentage and (B)
     the aggregate of the following amounts:
 
             (1) the principal portion of all scheduled monthly payments on  the
        Mortgage  Loans  (other  than  the  related  Discount  Fraction  of  the
        principal portion  of  such  payments, with  respect  to  each  Discount
        Mortgage  Loan) due on the related Due  Date, whether or not received on
        or prior to the related  Determination Date, less the principal  portion
        of  Debt Service  Reductions, as defined  below (other  than the related
        Discount  Fraction  of  the  principal  portion  of  such  Debt  Service
        Reductions  with respect to each Discount Mortgage Loan), which together
        with other Bankruptcy Losses are in excess of the Bankruptcy Amount;
 
             (2) the principal portion  of all proceeds of  the repurchase of  a
        Mortgage  Loan  (or,  in the  case  of a  substitution,  certain amounts
        representing a principal  adjustment) (other than  the related  Discount
        Fraction of the principal portion of such proceeds, with respect to each
        Discount  Mortgage  Loan)  as  required  by  the  Pooling  and Servicing
        Agreement during the preceding calendar month; and
 
             (3) the  principal portion  of  all other  unscheduled  collections
        received  during  the  preceding  calendar month  (other  than  full and
        partial Mortgagor  prepayments and  any amounts  received in  connection
        with a Final Disposition (as defined below) of a Mortgage Loan described
        in  clause (ii) below), to the extent applied as recoveries of principal
        (other than the related  Discount Fraction of  the principal portion  of
        such  unscheduled collections,  with respect  to each  Discount Mortgage
        Loan);
 
          (ii) in connection with the Final  Disposition of a Mortgage Loan  (x)
     that  occurred in the preceding calendar month  and (y) that did not result
     in any Excess Special Hazard Losses, Excess Fraud Losses, Excess Bankruptcy
     Losses or Extraordinary Losses,  an amount equal to  the lesser of (a)  the
     then-applicable  Senior Percentage of the  Stated Principal Balance of such
     Mortgage Loan  (other than  the related  Discount Fraction  of such  Stated
     Principal  Balance, with respect  to a Discount Mortgage  Loan) and (b) the
     then-applicable Senior  Accelerated  Distribution  Percentage  (as  defined
     below) of the related unscheduled collections, including Insurance Proceeds
     and  Liquidation Proceeds, to the extent applied as recoveries of principal
     (in each case other than the portion of such collection, with respect to  a
     Discount  Mortgage  Loan  included in  clause  (iii) of  the  definition of
     'Principal Only Distribution Amount' below);
 
          (iii) the then-applicable  Senior Accelerated Distribution  Percentage
     of  the aggregate of all full and partial Mortgagor prepayments (other than
     the related Discount Fraction of  such Mortgagor prepayments, with  respect
     to each Discount Mortgage Loan) during the preceding calendar month;
 
          (iv)  if  such  Distribution Date  is  on  or prior  to  the Accretion
     Termination Date, the Accrual Distribution  Amount, to the extent added  to
     the principal amount of the Class A-4 TAC Accrual Principal Component;
 
          (v)  any Excess  Subordinate Principal  Amount (as  defined below) for
     such Distribution Date; and
 
                                      S-27
 
<PAGE>
<PAGE>
          (vi) any amounts allocable to principal for any previous  Distribution
     Date  (calculated pursuant to  clauses (i) through  (iv) above) that remain
     undistributed to the extent that any  such amounts are not attributable  to
     Realized Losses which were allocated to the Class M Certificates or Class B
     Certificates.
 
     With respect to any Distribution Date, the lesser of (a) the balance of the
Available  Distribution Amount remaining after  the Senior Interest Distribution
Amount and the Principal Only Distribution Amount have been distributed and  (b)
the  sum of the amounts described in clauses (i) through (vi) of the immediately
preceding  paragraph  is  hereinafter  referred  to  as  the  'Senior  Principal
Distribution  Amount.'  With  respect  to any  Distribution  Date  on  which the
Certificate Principal  Balance  of the  most  subordinate class  or  classes  of
Certificates  then outstanding is  to be reduced  to zero and  on which Realized
Losses are to  be allocated to  such class or  classes, the 'Excess  Subordinate
Principal  Amount' is equal to the amount, if  any, by which (i) the amount that
would otherwise  be distributable  in  respect of  principal  on such  class  or
classes  of  Certificates on  such Distribution  Date is  greater than  (ii) the
excess, if any, of  the aggregate of the  Certificate Principal Balance of  such
class  or classes  of Certificates immediately  prior to  such Distribution Date
over the aggregate amount of  Realized Losses to be  allocated to such class  or
classes  of Certificates  on such  Distribution Date,  as reduced  by any amount
calculated  pursuant  to  clause  (v)  of  the  definition  of  'Principal  Only
Distribution Amount.'
 
     Holders  of the Principal Only Certificates  will be entitled to receive on
each Distribution Date, to the  extent of the excess,  if any, of the  Available
Distribution  Amount remaining after the  Senior Interest Distribution Amount is
distributed, a distribution allocable to  principal equal to the Principal  Only
Distribution  Amount. The 'Principal  Only Distribution Amount'  is equal to the
aggregate of:
 
          (i) the  related Discount  Fraction of  the principal  portion of  the
     scheduled monthly payment on each Discount Mortgage Loan due on the related
     Due  Date, whether or not received on or prior to the related Determination
     Date, less the Discount  Fraction of the principal  portion of any  related
     Debt  Service Reductions which together with other Bankruptcy Losses are in
     excess of the Bankruptcy Amount;
 
          (ii) the related  Discount Fraction  of the principal  portion of  all
     unscheduled  collections on each Discount Mortgage Loan received during the
     preceding calendar month (other than amounts received in connection with  a
     Final  Disposition of  a Discount Mortgage  Loan described  in clause (iii)
     below), including full  and partial Mortgagor  prepayments, repurchases  of
     Discount Mortgage Loans (or, in the case of a substitution, certain amounts
     representing  a  principal  adjustment)  as  required  by  the  Pooling and
     Servicing Agreement, Liquidation  Proceeds and Insurance  Proceeds, to  the
     extent applied as recoveries of principal;
 
          (iii)  in connection with the Final Disposition of a Discount Mortgage
     Loan that did not result in any Excess Special Hazard Losses, Excess  Fraud
     Losses,  Excess Bankruptcy Losses or  Extraordinary Losses, an amount equal
     to the  lesser  of (a)  the  applicable  Discount Fraction  of  the  Stated
     Principal  Balance of such Discount Mortgage Loan immediately prior to such
     Distribution Date  and (b)  the  aggregate amount  of collections  on  such
     Discount Mortgage Loan to the extent applied as recoveries of principal;
 
          (iv)  any amounts allocable to principal for any previous Distribution
     Date (calculated pursuant to clauses  (i) through (iii) above) that  remain
     undistributed; and
 
          (v) with respect to each Final Disposition of a Discount Mortgage Loan
     in  connection with such Distribution Date  or any prior Distribution Date,
     to the extent that  the amount included under  clause (iii) above for  such
     Distribution  Date was less  than the amount described  in (a) under clause
     (iii) above (each such shortfall, a 'Principal Only Collection Shortfall'),
     an  amount  equal  to  the  aggregate  of  the  Principal  Only  Collection
     Shortfalls,  less  any amounts  paid  pursuant to  this  clause on  a prior
     Distribution  Date,  until  paid  in  full;  provided,  that  distributions
     pursuant  to this clause (v)  shall only be made  to the extent of Eligible
     Funds (as described below) on any Distribution Date.
 
     A 'Final  Disposition' of  a  defaulted Mortgage  Loan  is deemed  to  have
occurred  upon a determination by  the Master Servicer that  it has received all
Insurance Proceeds, Liquidation Proceeds and  other payments or cash  recoveries
which  the Master Servicer  reasonably and in  good faith expects  to be finally
recoverable with respect to such Mortgage Loan.
 
     'Eligible Funds' on any Distribution Date means the portion, if any, of the
Available Distribution Amount remaining after reduction by the sum of the Senior
Interest  Distribution  Amount,   the  Senior   Principal  Distribution   Amount
(determined   without  regard  to  clause   (v)  thereof),  the  Principal  Only
Distribution Amount (determined without  regard to clause  (v) thereof) and  the
aggregate amount of Accrued Certificate Interest on
 
                                      S-28
 
<PAGE>
<PAGE>
the  Class M,  Class B-1 and  Class B-2 Certificates.  Notwithstanding any other
provision hereof, any distribution in  respect of any Principal Only  Collection
Shortfall,  to the extent not covered  by any amounts otherwise distributable to
the Class  B-3  Certificates, shall  result  in a  reduction  of the  amount  of
principal  distributions on such  Distribution Date on (i)  first, the Class B-1
Certificates  and  Class  B-2  Certificates   and  (ii)  second,  the  Class   M
Certificates, in each case in reverse order of their payment priority.
 
     The  'Stated Principal  Balance' of  any Mortgage  Loan as  of any  date of
determination is equal to the principal balance thereof as of the Cut-off  Date,
after  application  of all  scheduled principal  payments due  on or  before the
Cut-off Date,  whether or  not received,  reduced by  all amounts  allocable  to
principal  that have been distributed to Certificateholders with respect to such
Mortgage Loan on or before such date, and as further reduced to the extent  that
any  Realized  Loss  thereon  has  been allocated  to  one  or  more  classes of
Certificates on or before the date of determination.
 
     The Senior Percentage, which initially will equal approximately 94.48%  and
will in no event exceed 100%, will be recalculated for each Distribution Date to
be  the percentage equal  to the aggregate Certificate  Principal Balance of the
Senior Certificates  (other than  the Principal  Only Certificates)  immediately
prior  to  such  Distribution Date  divided  by the  aggregate  Stated Principal
Balance of all of the  Mortgage Loans (other than  the Discount Fraction of  the
Discount  Mortgage  Loans)  immediately  prior to  such  Distribution  Date. The
Subordinate Percentage as of  any date of determination  is equal to 100%  minus
the  Senior Percentage as  of such date.  The initial Senior  Percentage is less
than the initial percentage interest in the Trust Fund evidenced by the  classes
of  Senior  Certificates  (including  the Principal  Only  Certificates)  in the
aggregate, because such percentage  is calculated without  regard to either  the
Certificate Principal Balance of the Principal Only Certificates or the Discount
Fraction of the Stated Principal Balance of each Discount Mortgage Loan.
 
     The  Senior Accelerated  Distribution Percentage for  any Distribution Date
occurring prior to the  Distribution Date in October  2001 will equal 100%.  The
Senior  Accelerated Distribution Percentage for  any Distribution Date occurring
after the first five years following the  Delivery Date will be as follows:  for
any  Distribution Date during the sixth year after the Delivery Date, the Senior
Percentage for such Distribution Date plus 70% of the Subordinate Percentage for
such Distribution Date; for any Distribution Date during the seventh year  after
the  Delivery Date, the Senior Percentage for such Distribution Date plus 60% of
the Subordinate Percentage for such Distribution Date; for any Distribution Date
during the eighth year after the  Delivery Date, the Senior Percentage for  such
Distribution  Date plus 40% of the  Subordinate Percentage for such Distribution
Date; for any Distribution Date during  the ninth year after the Delivery  Date,
the  Senior Percentage  for such Distribution  Date plus 20%  of the Subordinate
Percentage for such Distribution Date; and for any Distribution Date thereafter,
the  Senior  Percentage  for  such   Distribution  Date  (unless  on  any   such
Distribution  Date the Senior Percentage  exceeds the initial Senior Percentage,
in  which  case  the  Senior   Accelerated  Distribution  Percentage  for   such
Distribution  Date will once  again equal 100%). Any  scheduled reduction to the
Senior Accelerated Distribution Percentage described above shall not be made  as
of  any  Distribution Date  unless  either (a)(i)(X)  the  outstanding principal
balance of Mortgage Loans delinquent 60 days or more averaged over the last  six
months,  as  a percentage  of  the aggregate  outstanding  Certificate Principal
Balance of the Class M Certificates and  Class B Certificates, is less than  50%
or (Y) the outstanding principal balance of Mortgage Loans delinquent 60 days or
more  averaged  over the  last  six months,  as  a percentage  of  the aggregate
outstanding principal balance of all Mortgage  Loans averaged over the last  six
months,  does not exceed  2% and (ii)  Realized Losses on  the Mortgage Loans to
date for such Distribution Date, if occurring during the sixth, seventh, eighth,
ninth or tenth year (or any year  thereafter) after the Delivery Date, are  less
than  30%,  35%,  40%, 45%  or  50%, respectively,  of  the sum  of  the initial
Certificate  Principal  Balances  of  the  Class  M  Certificates  and  Class  B
Certificates  or  (b)(i) the  outstanding  principal balance  of  Mortgage Loans
delinquent 60 days or more averaged over the last six months, as a percentage of
the aggregate outstanding principal balance of all Mortgage Loans averaged  over
the last six months, does not exceed 4% and (ii) Realized Losses on the Mortgage
Loans  to date for  such Distribution Date are  less than 10% of  the sum of the
initial Certificate Principal Balances of the  Class M Certificates and Class  B
Certificates.  Notwithstanding the foregoing, upon  reduction of the Certificate
Principal Balances of  the Senior  Certificates (other than  the Principal  Only
Certificates) to zero, the Senior Accelerated Distribution Percentage will equal
0%. See 'Subordination' in the Prospectus.
 
     Distributions  of principal on the Senior Certificates on each Distribution
Date will be made (after distribution of the Senior Interest Distribution Amount
as described under 'Interest Distributions'), as follows:
 
                                      S-29
 
<PAGE>
<PAGE>
          (a) Prior to the occurrence of  the Credit Support Depletion Date  (as
     defined below),
 
             (i)  the Principal Only Distribution Amount shall be distributed to
        the  Principal  Only  Certificates,  in  reduction  of  the  Certificate
        Principal  Balance thereof, until such  Certificate Principal Balance is
        reduced to zero;
 
             (ii) an amount equal  to the Accrual  Distribution Amount shall  be
        distributed  concurrently to the holders  of the Class A-3 Certificates,
        with such  amount to  be allocated  in reduction  of the  Class A-3  TAC
        Accretion Directed Principal Component, and Class A-4 Certificates, with
        such  amount to be allocated in reduction of the Class A-4 TAC Accretion
        Directed Principal Component, on a pro rata basis (in proportion to  the
        respective  principal amounts  of such Components),  until the principal
        amounts of such Components have been reduced to zero;
 
             (iii) the  balance  of  the Senior  Principal  Distribution  Amount
        remaining after the distribution, if any, described in clause (ii) above
        shall be distributed concurrently as follows:
 
                (A)  82.3533310364%  of  such  amount  (the  'Group  1 Principal
           Distribution Amount') shall be distributed as follows:
 
                    (1) an amount  equal to the  sum of the  following shall  be
               distributed  to the Class  A-7 Certificates, in  reduction of the
               principal amount  of the  Class A-7  Component 1,  and Class  A-8
               Certificates  on a pro rata basis  in proportion to the principal
               amount of the Class A-7 Component 1 and the Certificate Principal
               Balance of the Class A-8 Certificates:
 
                        (X) the Lockout Scheduled Percentage (as defined  below)
                   of  (a) the Class A-7 Component  1's pro rata share (based on
                   the principal amount  of the  Class A-7  Component 1  thereof
                   relative  to the  aggregate Certificate  Principal Balance of
                   all classes  of Certificates  other than  the Principal  Only
                   Certificates),  and (b) the Class  A-8 Certificates' pro rata
                   share (based on the  aggregate Certificate Principal  Balance
                   thereof  relative  to  the  aggregate  Certificate  Principal
                   Balance  of  all  classes  of  Certificates  other  than  the
                   Principal   Only  Certificates)  of   the  aggregate  of  the
                   collections described in  clauses (i), (ii)  and (vi)  (other
                   than  any amounts relating to  clause (iv) included in clause
                   (vi)) of the first  paragraph under 'Principal  Distributions
                   on  the Senior  Certificates' without any  application of the
                   Senior  Percentage   or   Senior   Accelerated   Distribution
                   Percentage; and
 
                        (Y) the Lockout Prepayment Percentage (as defined below)
                   of  (a) the Class A-7 Component  1's pro rata share (based on
                   the principal amount  of the  Class A-7  Component 1  thereof
                   relative  to the  aggregate Certificate  Principal Balance of
                   all classes of  Certificates (other than  the Principal  Only
                   Certificates))  and (b) the Class  A-8 Certificates' pro rata
                   share (based on the  aggregate Certificate Principal  Balance
                   thereof  relative  to  the  aggregate  Certificate  Principal
                   Balance of  all  classes  of  Certificates  (other  than  the
                   Principal  Only Certificates)), of  the collections described
                   in clause  (iii)  of  the first  paragraph  under  'Principal
                   Distributions   on  the  Senior  Certificates,'  without  any
                   application   of   the   Senior   Accelerated    Distribution
                   Percentage;
 
           provided  that if the  aggregate of the amounts  set forth in clauses
           (i)  through   (vi)  of   the   first  paragraph   under   'Principal
           Distributions on the Senior Certificates' is more than the balance of
           the Available Distribution Amount remaining after the Senior Interest
           Distribution  Amount and the Principal  Only Distribution Amount have
           been distributed, the amounts paid to the Class A-7 Certificates,  in
           reduction  of the Class  A-7 Component 1,  and Class A-8 Certificates
           pursuant to this clause (iii)(A)(1) shall be reduced (a) in the  case
           of  the Class A-7 Certificates,  by an amount equal  to the Class A-7
           Component 1's pro rata  share (based on the  principal amount of  the
           Class A-7 Component 1 relative to the aggregate Certificate Principal
           Balance  of  all  classes  of  Senior  Certificates  (other  than the
           Principal Only Certificates)) of such difference and (b) in the  case
           of  the Class A-8 Certificates,  by an amount equal  to the Class A-8
           Certificates' pro  rata share  (based  on the  aggregate  Certificate
           Principal  Balance  thereof  relative  to  the  aggregate Certificate
           Principal Balance of all classes  of Senior Certificates (other  than
           the Principal Only Certificates)) of such difference;
 
                                      S-30
 
<PAGE>
<PAGE>
                    (2)  an amount equal to the lesser of (a) the balance of the
               Group  1  Principal  Distribution  Amount  remaining  after   the
               distributions, if any, described in clause (iii)(A)(1) above, and
               (b)  the aggregate amount (the  'PAC Principal Amount') necessary
               to reduce the outstanding  Certificate Principal Balances of  the
               PAC Certificates and the outstanding principal amounts of the PAC
               Principal   Components  to  their  respective  Planned  Principal
               Balances (as  set  forth in  the  table below  entitled  'Planned
               Principal  Balances') of  each such  class or  component for such
               Distribution Date  shall  be  distributed  in  reduction  of  the
               Certificate  Principal Balances thereof and the principal amounts
               of the PAC Principal Components,  of the classes set forth  below
               as follows:
 
                        (I)  first,  to the  Class  A-3 Certificates,  until the
                   principal amount  of the  Class A-3  PAC Principal  Component
                   thereof has been reduced to its Planned Principal Balance;
 
                        (II)  second, to  the Class A-1  Certificates, until the
                   Certificate Principal Balance thereof has been reduced to its
                   Planned Principal Balance;
 
                        (III) third, to  the Class A-2  Certificates, until  the
                   Certificate Principal Balance thereof has been reduced to its
                   Planned Principal Balance;
 
                        (IV)  fourth, to  the Class A-4  Certificates, until the
                   principal amount  of the  Class A-4  PAC Principal  Component
                   thereof has been reduced to its Planned Principal Balance;
 
                    (3)  an amount equal to the lesser of (a) the balance of the
               Group  1  Principal  Distribution  Amount  remaining  after   the
               distributions,  if any, described in  clauses (iii)(A)(1) and (2)
               above, and (b) the aggregate amount (the 'TAC Principal  Amount')
               necessary  to reduce the outstanding principal amounts of the TAC
               Principal  Components  to  their  respective  Targeted  Principal
               Balances  (as  set forth  in the  table below  entitled 'Targeted
               Principal  Balances')  for  such   Distribution  Date  shall   be
               distributed  in reduction  of the  Certificate Principal Balances
               thereof  and  the   principal  amounts  of   the  TAC   Principal
               Components, of the classes set forth below as follows:
 
                        (I)  first, to the holders of the Class A-3 Certificates
                   and Class A-4 Certificates, on a pro rata basis in proportion
                   to the  principal  amounts of  the  Class A-3  TAC  Accretion
                   Directed  Principal  Component  and Class  A-4  TAC Accretion
                   Directed  Principal   Component,  respectively,   until   the
                   principal  amounts of  the Class  A-3 TAC  Accretion Directed
                   Principal Component  and  Class A-4  TAC  Accretion  Directed
                   Principal  Component  thereof  have  been  reduced  to  their
                   Targeted Principal Balances;
 
                        (II) second, to  the Class A-4  Certificates, until  the
                   principal  amount  of  the Class  A-4  TAC  Accrual Principal
                   Component thereof has been reduced to its Targeted  Principal
                   Balance;
 
                    (4)   the  balance,  if  any,   of  the  Group  1  Principal
               Distribution Amount remaining  after the distributions  described
               in clauses (iii)(A)(1), (2) and (3) above shall be distributed in
               reduction  of the  Certificate Principal Balances  of the classes
               indicated below, and the principal  amounts of the PAC  Principal
               Components, TAC Principal Components and Class A-7 Component 1 as
               follows:
 
                        (I)  first, to the Class  A-5 Certificates and Class A-6
                   Certificates, on  a pro  rata basis  in proportion  to  their
                   respective   Certificate   Principal   Balances,   until  the
                   Certificate Principal Balances thereof  have been reduced  to
                   zero;
 
                        (II) second, to the Class A-3 Certificates, in reduction
                   of  the Class A-3 TAC Accretion Directed Principal Component,
                   and Class A-4 Certificates, in reduction of the Class A-4 TAC
                   Accretion Directed Principal Component,  on a pro rata  basis
                   in  proportion to the principal amounts of such TAC Principal
                   Components, without regard to the Targeted Principal Balances
                   thereof until the principal  amounts of such Components  have
                   been reduced to zero;
 
                                      S-31
 
<PAGE>
<PAGE>
                        (III) third, to the Class A-4 Certificates, in reduction
                   of  the Class  A-4 TAC  Accrual Principal  Component, without
                   regard to the  Targeted Principal Balance  thereof until  the
                   principal amount of such Component has been reduced to zero;
 
                        (IV) fourth, to the Class A-3 Certificates, in reduction
                   of  the Class A-3 PAC  Principal Component, without regard to
                   the Planned Principal  Balance thereof,  until the  principal
                   amount of such Component has been reduced to zero;
 
                        (V) fifth, to the Class A-1 Certificates, without regard
                   to   the  Planned   Principal  Balance   thereof,  until  the
                   Certificate Principal  Balance thereof  has been  reduced  to
                   zero;
 
                        (VI)  sixth,  to  the  Class  A-2  Certificates, without
                   regard to the  Planned Principal Balance  thereof, until  the
                   Certificate  Principal  Balance thereof  has been  reduced to
                   zero;
 
                        (VII)  seventh,  to  the  Class  A-4  Certificates,   in
                   reduction  of the Class A-4  PAC Principal Component, without
                   regard to the  Planned Principal Balance  thereof, until  the
                   principal  amount of such Component has been reduced to zero;
                   and
 
                        (VIII) eighth, to the  Class A-7 Certificates and  Class
                   A-8  Certificates on  a pro rata  basis in  proportion to the
                   principal amount  of  the  Class  A-7  Component  1  and  the
                   Certificate  Principal Balance of the Class A-8 Certificates,
                   until the principal amount of  the Class A-7 Component 1  and
                   Certificate  Principal Balance of  the Class A-8 Certificates
                   have been reduced to zero; and
 
                    (B) 17.6466689636% of  such amount (the  'Group 2  Principal
               Distribution Amount') shall be distributed as follows:
 
                        (1) an amount equal to the sum of the following shall be
                   distributed  to the  Class A-7 Certificates,  in reduction of
                   the principal amount of the Class A-7 Component 2:
 
                            (X) the Lockout  Scheduled Percentage  of the  Class
                       A-7  Component 2's pro rata share (based on the principal
                       amount of the Class A-7  Component 2 thereof relative  to
                       the   aggregate  Certificate  Principal  Balance  of  all
                       classes of Certificates  (other than  the Principal  Only
                       Certificates))   of  the  aggregate  of  the  collections
                       described in clauses (i), (ii)  and (vi) (other than  any
                       amounts  relating to clause (iv) included in clause (vi))
                       of the first paragraph under 'Principal Distributions  on
                       the  Senior Certificates' without  any application of the
                       Senior  Percentage  or  Senior  Accelerated  Distribution
                       Percentage; and
 
                            (Y)  the Lockout Prepayment  Percentage of the Class
                       A-7 Component 2's pro rata share (based on the  principal
                       amount  of the Class A-7  Component 2 thereof relative to
                       the  aggregate  Certificate  Principal  Balance  of   all
                       classes  of Certificates  (other than  the Principal Only
                       Certificates)), of  the collections  described in  clause
                       (iii)   of   the   first   paragraph   under   'Principal
                       Distributions on  the Senior  Certificates,' without  any
                       application   of  the   Senior  Accelerated  Distribution
                       Percentage;
 
                   provided that if the  aggregate of the  amounts set forth  in
                   clauses  (i)  through  (vi)  of  the  first  paragraph  under
                   'Principal Distributions on the Senior Certificates' is  more
                   than   the  balance  of  the  Available  Distribution  Amount
                   remaining after the Senior  Interest Distribution Amount  and
                   the Principal Only Distribution Amount have been distributed,
                   the  amount paid to the  Class A-7 Certificates, in reduction
                   of  the  Class  A-7  Component  2  pursuant  to  this  clause
                   (iii)(B)(1)  shall be reduced by an amount equal to the Class
                   A-7 Component  2's pro  rata share  (based on  the  principal
                   amount of the Class A-7 Component 2 relative to the aggregate
                   Certificate  Principal  Balance  of  all  classes  of  Senior
                   Certificates (other than the Principal Only Certificates)  of
                   such difference;
 
                                      S-32
 
<PAGE>
<PAGE>
                        (2)  the  balance,  if  any, of  the  Group  2 Principal
                   Distribution Amount remaining after the distribution, if any,
                   described in clause  (iii)(B)(1) above  shall be  distributed
                   concurrently  to the  Class R-I  Certificates and  Class R-II
                   Certificates, with such amount to be allocated on a pro  rata
                   basis in proportion to their respective Certificate Principal
                   Balances,  until the  Certificate Principal  Balances thereof
                   have been reduced to zero;
 
                        (3) the  balance,  if  any, of  the  Group  2  Principal
                   Distribution   Amount   remaining  after   the  distributions
                   described in  clauses (iii)(B)(1)  and  (2) above,  shall  be
                   distributed   in  reduction  of   the  Certificate  Principal
                   Balances of the classes set forth below as follows:
 
                            (I) first, to the Class A-9 Certificates, until  the
                       Certificate Principal Balance thereof has been reduced to
                       zero;
 
                            (II)   second,  73.2682473268%   and  26.7317526732%
                       concurrently to  the Class  A-10 Certificates  and  Class
                       A-11  Certificates,  respectively, until  $17,208,000 has
                       been distributed between the Class A-10 Certificates  and
                       Class   A-11  Certificates  pursuant  to  this  subclause
                       (iii)(B)(2)(II);
 
                            (III)  third,   95.8298651573%   and   4.1701348427%
                       concurrently  to  the Class  A-10 Certificates  and Class
                       A-11 Certificates,  respectively, until  $12,014,000  has
                       been  distributed between the Class A-10 Certificates and
                       Class  A-11  Certificates  pursuant  to  this   subclause
                       (iii)(B)(2)(III);
 
                            (IV)   fourth,   0.9255450432%   and  99.0744549568%
                       concurrently, to the  Class A-10  Certificates and  Class
                       A-11  Certificates,  respectively, until  the Certificate
                       Principal Balance of the Class A-11 Certificates has been
                       reduced to zero;
 
                            (V) fifth, to the Class A-10 Certificates, until the
                       Certificate Principal Balance thereof has been reduced to
                       zero; and
 
                            (VI) sixth, to  the Class  A-12 Certificates,  until
                       the   Certificate  Principal  Balance  thereof  has  been
                       reduced to zero; and
 
                            (VII) seventh,  to the  Class A-7  Certificates,  in
                       reduction  of  the  Class  A-7  Component  2,  until  the
                       principal amount of  such Component has  been reduced  to
                       zero;
 
                   provided  that if  on any  Distribution Date  the Certificate
                   Principal Balances of the Senior Certificates (other than the
                   Class A-7 Certificates, Class A-8 Certificates and  Principal
                   Only   Certificates)  have  been  reduced  to  zero,  clauses
                   (iii)(A)(1) and (iii)(B)(1) above  shall no longer apply  and
                   100%  of the  Senior Principal  Distribution Amount remaining
                   after  the   retirement  of   such  Certificates   for   such
                   Distribution  Date  shall  be distributed  to  the  Class A-7
                   Certificates and Class A-8 Certificates on a pro rata  basis,
                   until  the Certificate  Principal Balances  of the  Class A-7
                   Certificates and Class A-8 Certificates have been reduced  to
                   zero.
 
                        The  Lockout Scheduled  Percentage for  any Distribution
                   Date prior to the Distribution  Date in October 2001 will  be
                   0%,  and for any  Distribution Date on  or after October 2001
                   will be  100%.  The  Lockout Prepayment  Percentage  for  any
                   Distribution Date occurring prior to the Distribution Date in
                   October  2001 will  be 0%. The  Lockout Prepayment Percentage
                   for any  Distribution Date  occurring  after the  first  five
                   years following the Delivery Date will be as follows: for any
                   Distribution  Date during  the sixth year  after the Delivery
                   Date, 30%; for any Distribution Date during the seventh  year
                   after  the  Delivery  Date, 40%;  for  any  Distribution Date
                   during the eighth year after the Delivery Date, 60%; for  any
                   Distribution  Date during  the ninth year  after the Delivery
                   Date, 80%; and for any Distribution Date thereafter, 100%.
 
          (b) On or after  the occurrence of the  Credit Support Depletion  Date
     but  prior to  the reduction of  the Certificate Principal  Balances of the
     Lockout Senior Support  Certificates to  zero, all  priorities relating  to
     distributions  as described above in respect  of principal among the Senior
     Certificates (other than the
 
                                      S-33
 
<PAGE>
<PAGE>
     Principal Only Certificates) will be disregarded and an amount equal to the
     Discount Fraction  of the  principal portion  of scheduled  or  unscheduled
     payments received or advanced in respect of Discount Mortgage Loans will be
     distributed  to the Principal  Only Certificates, and  the Senior Principal
     Distribution Amount will be distributed  to the Senior Certificates  (other
     than  the Principal  Only Certificates) pro  rata in  accordance with their
     respective  outstanding  Certificate  Principal  Balances  and  the  Senior
     Interest  Distribution  Amount  will  be  distributed  as  described  under
     'Interest Distributions'; provided that the aggregate amount  distributable
     to  the Combination  Super Senior  Certificates and  Lockout Senior Support
     Certificates in  respect  of  the aggregate  Accrued  Certificate  Interest
     thereon  and in respect of their collective  pro rata portion of the Senior
     Principal Distribution Amount will  be distributed among such  Certificates
     in   the  following  priority:  first,  to  the  Combination  Super  Senior
     Certificates, up to  an amount  equal to the  Accrued Certificate  Interest
     thereon;  second, to the  Combination Super Senior  Certificates, up to the
     aggregate of the  Combination Super Senior  Optimal Principal  Distribution
     Amounts  thereof  (as  defined  below),  in  reduction  of  the Certificate
     Principal  Balance   thereof;  third,   to  the   Lockout  Senior   Support
     Certificates,  up to  an amount equal  to the  Accrued Certificate Interest
     thereon; and  fourth,  to  the Lockout  Senior  Support  Certificates,  the
     remainder of the amount so distributable among the Combination Super Senior
     Certificates  and Lockout Senior Support Certificate, until the Certificate
     Principal Balance thereof has been reduced to zero.
 
          (c) On or after  the occurrence of the  Credit Support Depletion  Date
     and  upon reduction  of the  Certificate Principal  Balance of  the Lockout
     Senior  Support   Certificates  to   zero,  all   priorities  relating   to
     distributions  as described above in respect of principal among the various
     classes of Senior Certificates (other than the Principal Only Certificates)
     will be  disregarded, an  amount  equal to  the  Discount Fraction  of  the
     principal   portion  of  scheduled  payments  and  unscheduled  collections
     received or  advanced  in  respect  of  Discount  Mortgage  Loans  will  be
     distributed  to the Principal  Only Certificates, and  the Senior Principal
     Distribution  Amount  will  be  distributed   to  all  classes  of   Senior
     Certificates  (other  than the  Principal  Only Certificates)  pro  rata in
     accordance with their respective outstanding Certificate Principal Balances
     and  the  Senior  Interest  Distribution  Amount  will  be  distributed  as
     described under 'Interest Distributions.'
 
          (d)  After  reduction of  the  Certificate Principal  Balances  of the
     Senior Certificates (other  than the Principal  Only Certificates) to  zero
     but  prior to  the Credit Support  Depletion Date,  the Senior Certificates
     (other than the Principal Only Certificates) will be entitled to no further
     distributions of principal  thereon and the  Available Distribution  Amount
     will be paid solely to the holders of the Principal Only, Class M and Class
     B  Certificates  and  the owner  of  the  Excess Spread,  in  each  case as
     described herein.
 
     The 'Credit Support Depletion Date' is the first Distribution Date on which
the Senior Percentage equals 100%. With respect to any Distribution Date on  and
after  the Credit Support Depletion Date,  the 'Combination Super Senior Optimal
Principal  Distribution   Amount'  is   equal  to   the  product   of  (a)   the
then-applicable  Combination Super Senior Percentage  (as defined below) and (b)
the sum of  the amounts described  in clauses  (i) through (iii),  (v) and  (vi)
(other  than any amounts related to clause  (iv) included in clause (vi)) of the
first paragraph under 'Principal Distributions on the Senior Certificates.'  The
'Combination  Super Senior  Percentage' is equal  to a fraction,  expressed as a
percentage, the  numerator  of  which is  the  aggregate  Certificate  Principal
Balance  of the Combination Super Senior  Certificates immediately prior to such
Distribution Date  and the  denominator of  which is  the aggregate  Certificate
Principal  Balance of  all Senior  Certificates (other  than the  Principal Only
Certificates) immediately prior to such Distribution Date.
 
     The following  table  entitled  'Planned Principal  Balances  and  Targeted
Principal Balances' sets forth for each Distribution Date the applicable Planned
Principal  Balances and  Targeted Principal Balances  for each class  of the PAC
Certificates and for the PAC Principal Components and TAC Principal Components.
 
     THERE IS  NO ASSURANCE  THAT  SUFFICIENT FUNDS  WILL  BE AVAILABLE  ON  ANY
DISTRIBUTION  DATE  TO  REDUCE THE  CERTIFICATE  PRINCIPAL BALANCES  OF  THE PAC
CERTIFICATES AND THE PRINCIPAL AMOUNTS OF  THE PAC PRINCIPAL COMPONENTS AND  TAC
PRINCIPAL  COMPONENTS  TO  THEIR  CORRESPONDING  PLANNED  PRINCIPAL  BALANCES OR
TARGETED PRINCIPAL BALANCES, AS APPLICABLE, FOR SUCH DISTRIBUTION DATE, OR  THAT
DISTRIBUTIONS  ON  SUCH  PAC  CERTIFICATES,  PAC  PRINCIPAL  COMPONENTS  AND TAC
PRINCIPAL COMPONENTS  WILL  NOT BE  MADE  IN EXCESS  OF  SUCH AMOUNTS  FOR  SUCH
DISTRIBUTION DATE.
 
                                      S-34



<PAGE>
<PAGE>
             PLANNED PRINCIPAL BALANCES AND TARGETED PRINCIPAL BALANCES
<TABLE>
<CAPTION>

                                            PLANNED PRINCIPAL BALANCES
                             --------------------------------------------------------
                                                            CLASS A-3      CLASS A-4
DISTRIBUTION DATE             CLASS A-1      CLASS A-2     COMPONENT 2    COMPONENT 2
- -----------------            -----------    -----------    -----------    -----------
<S>                          <C>            <C>            <C>            <C>
Initial Balance...........   $52,409,000    $70,579,000   $14,166,000     $3,717,000
October 1996..............    52,409,000     70,579,000    13,781,998      3,717,000
November 1996.............    52,409,000     70,579,000    13,335,534      3,717,000
December 1996.............    52,409,000     70,579,000    12,826,695      3,717,000
January 1997..............    52,409,000     70,579,000    12,255,616      3,717,000
February 1997.............    52,409,000     70,579,000    11,622,445      3,717,000
March 1997................    52,409,000     70,579,000    10,927,367      3,717,000
April 1997................    52,409,000     70,579,000    10,170,594      3,717,000
May 1997..................    52,409,000     70,579,000     9,352,373      3,717,000
June 1997.................    52,409,000     70,579,000     8,472,984      3,717,000
July 1997.................    52,409,000     70,579,000     7,532,735      3,717,000
August 1997...............    52,409,000     70,579,000     6,531,970      3,717,000
September 1997............    52,409,000     70,579,000     5,471,063      3,717,000
October 1997..............    52,409,000     70,579,000     4,350,416      3,717,000
November 1997.............    52,409,000     70,579,000     3,170,468      3,717,000
December 1997.............    52,409,000     70,579,000     1,931,685      3,717,000
January 1998..............    52,409,000     70,579,000       634,564      3,717,000
February 1998.............    51,688,633     70,579,000             0      3,717,000
March 1998................    50,276,516     70,579,000             0      3,717,000
April 1998................    48,807,938     70,579,000             0      3,717,000
May 1998..................    47,283,584     70,579,000             0      3,717,000
June 1998.................    45,704,095     70,579,000             0      3,717,000
July 1998.................    44,070,138     70,579,000             0      3,717,000
August 1998...............    42,382,595     70,579,000             0      3,717,000
September 1998............    40,642,351     70,579,000             0      3,717,000
October 1998..............    38,850,603     70,579,000             0      3,717,000
November 1998.............    37,008,836     70,579,000             0      3,717,000
December 1998.............    35,119,260     70,579,000             0      3,717,000
January 1999..............    33,188,153     70,579,000             0      3,717,000
February 1999.............    31,231,324     70,579,000             0      3,717,000
March 1999................    29,268,618     70,579,000             0      3,717,000
April 1999................    27,315,694     70,579,000             0      3,717,000
May 1999..................    25,372,500     70,579,000             0      3,717,000
June 1999.................    23,438,989     70,579,000             0      3,717,000
July 1999.................    21,515,110     70,579,000             0      3,717,000
August 1999...............    19,600,813     70,579,000             0      3,717,000
September 1999............    17,696,051     70,579,000             0      3,717,000
October 1999..............    15,800,774     70,579,000             0      3,717,000
November 1999.............    13,914,935     70,579,000             0      3,717,000
December 1999.............    12,038,484     70,579,000             0      3,717,000
January 2000..............    10,171,374     70,579,000             0      3,717,000
February 2000.............     8,313,558     70,579,000             0      3,717,000
March 2000................     6,464,988     70,579,000             0      3,717,000
April 2000................     4,625,616     70,579,000             0      3,717,000
May 2000..................     2,795,396     70,579,000             0      3,717,000
June 2000.................       974,282     70,579,000             0      3,717,000
July 2000.................             0     69,741,226             0      3,717,000
August 2000...............             0     67,938,184             0      3,717,000
September 2000............             0     66,144,108             0      3,717,000
October 2000..............             0     64,358,954             0      3,717,000
November 2000.............             0     62,582,675             0      3,717,000
December 2000.............             0     60,815,227             0      3,717,000
January 2001..............             0     59,056,565             0      3,717,000
February 2001.............             0     57,306,643             0      3,717,000
March 2001................             0     55,565,419             0      3,717,000
(Table continued on next page.)
 
             PLANNED PRINCIPAL BALANCES AND TARGETED PRINCIPAL BALANCES
<CAPTION>

                                  TARGETED PRINCIPAL BALANCES
                          -------------------------------------------
                            CLASS A-3       CLASS A-4      CLASS A-4
DISTRIBUTION DATE          COMPONENT 1     COMPONENT 5    COMPONENT Z
- -----------------         --------------   -----------    -----------
<S>                          <C>           <C>            <C>
Initial Balance...........  $54,607,000   $51,711,000    $50,557,000
October 1996..............   54,305,711    51,425,689     50,883,514
November 1996.............   53,956,206    51,094,720     51,212,137
December 1996.............   53,558,511    50,718,116     51,542,882
January 1997..............   53,112,751    50,295,996     51,875,763
February 1997.............   52,619,121    49,828,545     52,210,794
March 1997................   52,077,902    49,316,029     52,547,988
April 1997................   51,489,459    48,758,793     52,887,361
May 1997..................   50,854,242    48,157,264     53,228,925
June 1997.................   50,172,785    47,511,947     53,572,695
July 1997.................   49,445,709    46,823,430     53,918,686
August 1997...............   48,673,715    46,092,378     54,266,910
September 1997............   47,857,588    45,319,533     54,617,384
October 1997..............   46,998,193    44,505,715     54,970,122
November 1997.............   46,096,478    43,651,821     55,325,137
December 1997.............   45,153,466    42,758,820     55,682,445
January 1998..............   44,170,258    41,827,755     56,042,061
February 1998.............   43,148,030    40,859,739     56,403,999
March 1998................   42,088,082    39,856,004     56,768,275
April 1998................   40,991,833    38,817,892     57,134,903
May 1998..................   39,860,715    37,746,762     57,503,900
June 1998.................   38,696,170    36,643,977     57,875,279
July 1998.................   37,499,699    35,510,959     58,249,057
August 1998...............   36,273,000    34,349,316     58,625,249
September 1998............   35,017,806    33,160,689     59,003,870
October 1998..............   33,736,107    31,946,963     59,384,937
November 1998.............   32,430,120    30,710,237     59,768,464
December 1998.............   31,102,602    29,453,122     60,154,469
January 1999..............   29,759,273    28,181,035     60,542,967
February 1999.............   28,412,689    26,905,864     60,933,973
March 1999................   27,077,949    25,641,911     61,327,505
April 1999................   25,766,567    24,400,076     61,723,579
May 1999..................   24,478,157    23,179,995     62,122,210
June 1999.................   23,212,338    21,981,307     62,523,416
July 1999.................   21,968,735    20,803,657     62,927,213
August 1999...............   20,746,979    19,646,694     63,333,618
September 1999............   19,546,703    18,510,073     63,742,648
October 1999..............   18,367,549    17,393,453     64,154,319
November 1999.............   17,209,160    16,296,498     64,568,649
December 1999.............   16,071,187    15,218,876     64,985,655
January 2000..............   14,953,285    14,160,260     65,405,354
February 2000.............   13,855,112    13,120,327     65,827,763
March 2000................   12,776,332    12,098,759     66,252,901
April 2000................   11,716,615    11,095,242     66,680,784
May 2000..................   10,675,632    10,109,466     67,111,431
June 2000.................    9,653,061     9,141,126     67,544,859
July 2000.................    8,648,585     8,189,920     67,981,086
August 2000...............    7,661,888     7,255,552     68,420,131
September 2000............    6,692,663     6,337,727     68,862,011
October 2000..............    5,740,602     5,436,158     69,306,745
November 2000.............    4,805,405     4,550,558     69,754,351
December 2000.............    3,886,775     3,680,646     70,204,848
January 2001..............    2,984,419     2,826,145     70,658,254
February 2001.............    2,098,047     1,986,780     71,114,588
March 2001................    1,227,374     1,162,282     71,573,870
(Table continued on next page)
</TABLE>
 
                                      S-35
 
<PAGE>
<PAGE>
             PLANNED PRINCIPAL BALANCES AND TARGETED PRINCIPAL BALANCES
<TABLE>
<CAPTION>

                                            PLANNED PRINCIPAL BALANCES
                             --------------------------------------------------------
                                                            CLASS A-3      CLASS A-4
DISTRIBUTION DATE             CLASS A-1      CLASS A-2     COMPONENT 2    COMPONENT 2
- -----------------            -----------    -----------    -----------    -----------
<S>                          <C>            <C>            <C>            <C>
April 2001................   $         0    $53,832,847    $        0     $3,717,000
May 2001..................             0     52,108,883             0      3,717,000
June 2001.................             0     50,393,484             0      3,717,000
July 2001.................             0     48,686,606             0      3,717,000
August 2001...............             0     46,988,206             0      3,717,000
September 2001............             0     45,298,241             0      3,717,000
October 2001..............             0     43,702,255             0      3,717,000
November 2001.............             0     42,114,547             0      3,717,000
December 2001.............             0     40,535,075             0      3,717,000
January 2002..............             0     38,963,798             0      3,717,000
February 2002.............             0     37,400,673             0      3,717,000
March 2002................             0     35,845,660             0      3,717,000
April 2002................             0     34,298,717             0      3,717,000
May 2002..................             0     32,759,803             0      3,717,000
June 2002.................             0     31,228,877             0      3,717,000
July 2002.................             0     29,705,899             0      3,717,000
August 2002...............             0     28,190,828             0      3,717,000
September 2002............             0     26,683,625             0      3,717,000
October 2002..............             0     25,204,948             0      3,717,000
November 2002.............             0     23,733,940             0      3,717,000
December 2002.............             0     22,270,560             0      3,717,000
January 2003..............             0     20,814,770             0      3,717,000
February 2003.............             0     19,384,925             0      3,717,000
March 2003................             0     17,999,711             0      3,717,000
April 2003................             0     16,657,880             0      3,717,000
May 2003..................             0     15,358,216             0      3,717,000
June 2003.................             0     14,099,536             0      3,717,000
July 2003.................             0     12,880,689             0      3,717,000
August 2003...............             0     11,700,555             0      3,717,000
September 2003............             0     10,558,043             0      3,717,000
October 2003..............             0      9,620,410             0      3,717,000
November 2003.............             0      8,713,552             0      3,717,000
December 2003.............             0      7,836,561             0      3,717,000
January 2004..............             0      6,988,557             0      3,717,000
February 2004.............             0      6,168,681             0      3,717,000
March 2004................             0      5,376,101             0      3,717,000
April 2004................             0      4,610,005             0      3,717,000
May 2004..................             0      3,869,608             0      3,717,000
June 2004.................             0      3,154,143             0      3,717,000
July 2004.................             0      2,462,866             0      3,717,000
August 2004...............             0      1,795,056             0      3,717,000
September 2004............             0      1,150,009             0      3,717,000
October 2004..............             0        664,448             0      3,717,000
November 2004.............             0        194,967             0      3,717,000
December 2004.............             0              0             0      3,458,073
January 2005..............             0              0             0      3,019,287
February 2005.............             0              0             0      2,595,145
March 2005................             0              0             0      2,185,197
April 2005................             0              0             0      1,789,003
May 2005..................             0              0             0      1,406,140
June 2005.................             0              0             0      1,036,195
July 2005.................             0              0             0        678,767
August 2005...............             0              0             0        333,468
September 2005............             0              0             0              0
October 2005..............             0              0             0              0
(Table continued from previous page and continued on next page.)
 
             PLANNED PRINCIPAL BALANCES AND TARGETED PRINCIPAL BALANCES
<CAPTION>

                                  TARGETED PRINCIPAL BALANCES
                          -------------------------------------------
                            CLASS A-3       CLASS A-4      CLASS A-4
DISTRIBUTION DATE          COMPONENT 1     COMPONENT 5    COMPONENT Z
- -----------------         --------------   -----------    -----------
<S>                          <C>           <C>            <C>
April 2001................ $    372,120    $  352,385    $72,036,118
May 2001..................            0             0     71,590,181
June 2001.................            0             0     70,451,689
July 2001.................            0             0     69,344,640
August 2001...............            0             0     68,268,534
September 2001............            0             0     67,222,880
October 2001..............            0             0     66,310,656
November 2001.............            0             0     65,427,140
December 2001.............            0             0     64,571,863
January 2002..............            0             0     63,744,361
February 2002.............            0             0     62,944,180
March 2002................            0             0     62,170,870
April 2002................            0             0     61,423,989
May 2002..................            0             0     60,703,099
June 2002.................            0             0     60,007,771
July 2002.................            0             0     59,337,580
August 2002...............            0             0     58,692,110
September 2002............            0             0     58,070,947
October 2002..............            0             0     57,505,531
November 2002.............            0             0     56,963,129
December 2002.............            0             0     56,443,349
January 2003..............            0             0     55,945,808
February 2003.............            0             0     55,451,730
March 2003................            0             0     54,942,017
April 2003................            0             0     54,417,512
May 2003..................            0             0     53,879,029
June 2003.................            0             0     53,327,355
July 2003.................            0             0     52,763,250
August 2003...............            0             0     52,187,450
September 2003............            0             0     51,600,666
October 2003..............            0             0     50,932,433
November 2003.............            0             0     50,257,781
December 2003.............            0             0     49,577,268
January 2004..............            0             0     48,891,432
February 2004.............            0             0     48,200,791
March 2004................            0             0     47,505,845
April 2004................            0             0     46,807,073
May 2004..................            0             0     46,104,938
June 2004.................            0             0     45,399,885
July 2004.................            0             0     44,692,342
August 2004...............            0             0     43,982,719
September 2004............            0             0     43,271,411
October 2004..............            0             0     42,508,235
November 2004.............            0             0     41,747,593
December 2004.............            0             0     40,989,710
January 2005..............            0             0     40,234,800
February 2005.............            0             0     39,483,069
March 2005................            0             0     38,734,711
April 2005................            0             0     37,989,911
May 2005..................            0             0     37,248,844
June 2005.................            0             0     36,511,679
July 2005.................            0             0     35,778,572
August 2005...............            0             0     35,049,675
September 2005............            0             0     34,325,048
October 2005..............            0             0     33,357,828
(Table continued from previous page and continued on next page.)
</TABLE>
 
                                      S-36
 
<PAGE>
<PAGE>
             PLANNED PRINCIPAL BALANCES AND TARGETED PRINCIPAL BALANCES
<TABLE>
<CAPTION>

                                            PLANNED PRINCIPAL BALANCES
                             --------------------------------------------------------
                                                            CLASS A-3      CLASS A-4
DISTRIBUTION DATE             CLASS A-1      CLASS A-2     COMPONENT 2    COMPONENT 2
- --------------------------   -----------    -----------    -----------    -----------
<S>                          <C>            <C>            <C>            <C>
November 2005.............   $         0    $         0    $        0     $        0
December 2005.............             0              0             0              0
January 2006..............             0              0             0              0
February 2006.............             0              0             0              0
March 2006................             0              0             0              0
April 2006................             0              0             0              0
May 2006..................             0              0             0              0
June 2006.................             0              0             0              0
July 2006.................             0              0             0              0
August 2006...............             0              0             0              0
September 2006............             0              0             0              0
October 2006..............             0              0             0              0
November 2006.............             0              0             0              0
December 2006.............             0              0             0              0
January 2007..............             0              0             0              0
February 2007.............             0              0             0              0
March 2007................             0              0             0              0
April 2007................             0              0             0              0
May 2007..................             0              0             0              0
June 2007.................             0              0             0              0
July 2007.................             0              0             0              0
August 2007...............             0              0             0              0
September 2007............             0              0             0              0
October 2007..............             0              0             0              0
November 2007.............             0              0             0              0
December 2007.............             0              0             0              0
January 2008..............             0              0             0              0
February 2008.............             0              0             0              0
March 2008................             0              0             0              0
April 2008................             0              0             0              0
May 2008..................             0              0             0              0
June 2008.................             0              0             0              0
July 2008.................             0              0             0              0
August 2008...............             0              0             0              0
September 2008............             0              0             0              0
October 2008..............             0              0             0              0
November 2008.............             0              0             0              0
December 2008.............             0              0             0              0
January 2009..............             0              0             0              0
February 2009.............             0              0             0              0
March 2009................             0              0             0              0
April 2009................             0              0             0              0
May 2009..................             0              0             0              0
June 2009.................             0              0             0              0
July 2009.................             0              0             0              0
August 2009...............             0              0             0              0
September 2009............             0              0             0              0
October 2009 and
  thereafter..............             0              0             0              0
(Table continued from previous page.)
 
             PLANNED PRINCIPAL BALANCES AND TARGETED PRINCIPAL BALANCES
<CAPTION>

                                  TARGETED PRINCIPAL BALANCES
                          -------------------------------------------
                            CLASS A-3       CLASS A-4      CLASS A-4
DISTRIBUTION DATE          COMPONENT 1     COMPONENT 5    COMPONENT Z
- ----------------------------------------   -----------    -----------
<S>                          <C>           <C>            <C>
November 2005............. $          0    $        0    $32,404,216
December 2005.............            0             0     31,464,025
January 2006..............            0             0     30,537,069
February 2006.............            0             0     29,623,169
March 2006................            0             0     28,722,143
April 2006................            0             0     27,833,816
May 2006..................            0             0     26,958,012
June 2006.................            0             0     26,094,559
July 2006.................            0             0     25,243,289
August 2006...............            0             0     24,404,032
September 2006............            0             0     23,576,625
October 2006..............            0             0     22,760,904
November 2006.............            0             0     21,956,707
December 2006.............            0             0     21,163,878
January 2007..............            0             0     20,382,259
February 2007.............            0             0     19,611,696
March 2007................            0             0     18,852,036
April 2007................            0             0     18,103,130
May 2007..................            0             0     17,364,830
June 2007.................            0             0     16,636,990
July 2007.................            0             0     15,919,464
August 2007...............            0             0     15,212,112
September 2007............            0             0     14,514,793
October 2007..............            0             0     13,827,369
November 2007.............            0             0     13,149,704
December 2007.............            0             0     12,481,662
January 2008..............            0             0     11,823,111
February 2008.............            0             0     11,173,921
March 2008................            0             0     10,533,962
April 2008................            0             0      9,903,107
May 2008..................            0             0      9,281,229
June 2008.................            0             0      8,668,206
July 2008.................            0             0      8,063,915
August 2008...............            0             0      7,468,236
September 2008............            0             0      6,881,048
October 2008..............            0             0      6,302,236
November 2008.............            0             0      5,731,684
December 2008.............            0             0      5,169,277
January 2009..............            0             0      4,614,902
February 2009.............            0             0      4,068,449
March 2009................            0             0      3,529,809
April 2009................            0             0      2,998,872
May 2009..................            0             0      2,475,533
June 2009.................            0             0      1,959,687
July 2009.................            0             0      1,451,229
August 2009...............            0             0        950,058
September 2009............            0             0        456,072
October 2009 and 
  thereafter..............            0             0              0
(Table continued from previous page)
</TABLE>
 
                                      S-37


<PAGE>
<PAGE>
     The  Planned Principal  Balances and  Targeted Principal  Balances for each
Distribution Date set forth in the table above were calculated based on  certain
assumptions,  including the  assumption that  prepayments on  the Mortgage Loans
occur each  month  at  a  constant level  between  approximately  100%  SPA  and
approximately  450% SPA with  respect to the PAC  Certificates and PAC Principal
Components, and that prepayments on the Mortgage Loans occur at a constant level
of approximately 250%  SPA with  respect to  the TAC  Principal Components.  The
actual characteristics and performance of the Mortgage Loans may differ from the
assumptions  used  in determining  the Planned  Principal Balances  and Targeted
Principal Balances.  The  Planned  Principal  Balances  and  Targeted  Principal
Balances  set forth in the  table above are final  and binding regardless of any
error or alleged error in making such calculations.
 
     There can  be  no  assurance  that funds  available  for  distributions  of
principal  in  reduction  of  the Certificate  Principal  Balances  or principal
amounts of  the PAC  Certificates, PAC  Principal Components  and TAC  Principal
Components  will be sufficient  to cover, or will  not be in  excess of, the PAC
Principal Amount or  TAC Principal  Amount, respectively,  for any  Distribution
Date.  Distributions in  reduction of the  Certificate Principal  Balance of any
class of  PAC  Certificates  or  the principal  amounts  of  the  PAC  Principal
Components or TAC Principal Components may commence significantly earlier (other
than  as to  a class for  which the above  table reflects a  distribution on the
first Distribution Date)  or later  than the  first Distribution  Date for  such
class  shown in the table above. Distributions  of principal in reduction of the
Certificate Principal Balance  or amount  of any  of the  PAC Certificates,  PAC
Principal  Components or TAC Principal  Components may end significantly earlier
or later than  the last  Distribution Date  for such  class shown  in the  above
table. See 'Prepayment and Yield Considerations' herein for a further discussion
of the assumptions used to produce the above table and the effect of prepayments
on  the Mortgage Loans on the rate of  payments of principal and on the weighted
average lives of such Certificates.
 
     The Master  Servicer may  elect to  treat Insurance  Proceeds,  Liquidation
Proceeds  and other  unscheduled collections  (not including  prepayments by the
Mortgagors) received  in  any  calendar  month  as  included  in  the  Available
Distribution  Amount  and  the  Senior  Principal  Distribution  Amount  for the
Distribution Date in the month of receipt, but is not obligated to do so. If the
Master Servicer so  elects, such amounts  will be deemed  to have been  received
(and any related Realized Loss shall be deemed to have occurred) on the last day
of the month prior to the receipt thereof.
 
PRINCIPAL DISTRIBUTIONS ON THE CLASS M CERTIFICATES
 
     Holders  of each  class of  the Class  M Certificates  will be  entitled to
receive on each Distribution Date, to the extent of the portion of the Available
Distribution  Amount  remaining  after  (a)  the  sum  of  the  Senior  Interest
Distribution  Amount,  the Principal  Only  Distribution Amount  and  the Senior
Principal Distribution Amount is distributed,  (b) reimbursement is made to  the
Master  Servicer for certain Advances remaining unreimbursed following the final
liquidation of the  related Mortgage Loan  to the extent  described below  under
'Advances,'  (c)  the  aggregate  amount  of  Accrued  Certificate  Interest and
principal required to be distributed on any class of Class M Certificates having
a higher payment priority on such Distribution Date is distributed to holders of
such class  of Class  M Certificates  and (d)  the aggregate  amount of  Accrued
Certificate  Interest  required  to be  distributed  on  such class  of  Class M
Certificates  on  such  Distribution  Date  is  distributed  to  such  Class   M
Certificates, a distribution allocable to principal in the sum of the following:
 
          (i)  the product of (A) the then-applicable related Class M Percentage
     and (B) the aggregate of the following amounts:
 
             (1) the principal portion of all scheduled monthly payments on  the
        Mortgage  Loans  (other  than  the  related  Discount  Fraction  of  the
        principal portion of such payments  with respect to a Discount  Mortgage
        Loan)  due on the related Due Date,  whether or not received on or prior
        to the related Determination  Date, less the  principal portion of  Debt
        Service  Reductions  (other than  the related  Discount Fraction  of the
        principal portion  of such  Debt Service  Reductions with  respect to  a
        Discount  Mortgage Loan) which together with other Bankruptcy Losses are
        in excess of the Bankruptcy Amount;
 
             (2) the principal portion  of all proceeds of  the repurchase of  a
        Mortgage  Loan  (or,  in the  case  of a  substitution,  certain amounts
        representing a principal  adjustment) (other than  the related  Discount
 
                                      S-38
 
<PAGE>
<PAGE>
        Fraction  of the  principal portion of  such proceeds with  respect to a
        Discount Mortgage  Loan)  as  required  by  the  Pooling  and  Servicing
        Agreement during the preceding calendar month; and
 
             (3)  the  principal portion  of  all other  unscheduled collections
        received during  the  preceding  calendar month  (other  than  full  and
        partial  Mortgagor prepayments  and any  amounts received  in connection
        with a Final  Disposition of a  Mortgage Loan described  in clause  (ii)
        below), to the extent applied as recoveries of principal (other than the
        related  Discount Fraction of  the principal amount  of such unscheduled
        collections, with respect to a Discount Mortgage Loan);
 
          (ii) such class's pro rata  share, based on the Certificate  Principal
     Balance of each class of Class M Certificates and Class B Certificates then
     outstanding,   of  all  amounts  received  in  connection  with  the  Final
     Disposition of a Mortgage Loan (other than the related Discount Fraction of
     such amounts with respect  to a Discount Mortgage  Loan) (x) that  occurred
     during  the preceding  calendar month  and (y) that  did not  result in any
     Excess Special Hazard Losses, Excess Fraud Losses, Excess Bankruptcy Losses
     or Extraordinary Losses, to the  extent applied as recoveries of  principal
     and to the extent not otherwise payable to the Senior Certificates;
 
          (iii)  the portion  of full  and partial  Mortgagor prepayments (other
     than the Discount Fraction of such Mortgagor prepayments with respect to  a
     Discount  Mortgage  Loan)  made  by the  respective  Mortgagors  during the
     preceding calendar month allocable to such class of Class M Certificates as
     described below;
 
          (iv) if  such class  is the  most senior  class of  Certificates  then
     outstanding, an amount equal to the Excess Subordinate Principal Amount, if
     any; and
 
          (v)  any amounts allocable to  principal for any previous Distribution
     Date (calculated pursuant to clauses  (i) through (iii) above) that  remain
     undistributed  to the extent that any  such amounts are not attributable to
     Realized Losses which were allocated to  any class of Class M  Certificates
     with a lower payment priority or the Class B Certificates.
 
     References  herein to 'payment priority' of  the Class M Certificates refer
to a payment priority  among such classes  as follows: first,  to the Class  M-1
Certificates; second, to the Class M-2 Certificates; and third, to the Class M-3
Certificates.
 
     As  to each class  of Class M  Certificates, on any  Distribution Date, any
Accrued  Certificate  Interest  thereon  remaining  unpaid  from  any   previous
Distribution  Date  will  be distributable  to  the extent  of  available funds.
Notwithstanding the  foregoing, if  the Certificate  Principal Balances  of  the
Class  B Certificates have been reduced to  zero, on any Distribution Date, with
respect to the class  of Class M Certificates  outstanding on such  Distribution
Date  with  the lowest  payment priority,  Accrued Certificate  Interest thereon
remaining unpaid  from any  previous Distribution  Date (except  in the  limited
circumstances  provided  in the  Pooling and  Servicing  Agreement) will  not be
distributable.
 
     All  Mortgagor  prepayments  not  otherwise  distributable  to  the  Senior
Certificates  will be allocated on  a pro rata basis among  the class of Class M
Certificates with the highest payment  priority then outstanding and each  other
class  of Class M Certificates  and Class B Certificates  for which certain loss
levels established for such  class in the Pooling  and Servicing Agreement  have
not  been exceeded.  The related  loss level on  any Distribution  Date would be
satisfied as to any Class M-2, Class M-3 or Class B Certificates,  respectively,
only  if  the sum  of  the current  percentage  interests in  the  Mortgage Pool
evidenced by such  class and  each class, if  any, subordinate  thereto were  at
least  equal to the sum of the initial percentage interests in the Mortgage Pool
evidenced by such class and each class, if any, subordinate thereto.
 
     The Class M-1, Class  M-2 and Class M-3  Percentages, which initially  will
equal  approximately 2.01%, 1.25% and 1.15%,  respectively, and will in no event
exceed 100%,  will  each  be adjusted  for  each  Distribution Date  to  be  the
percentage  equal to the  Certificate Principal Balance of  the related class of
Class M Certificates immediately prior to such Distribution Date divided by  the
aggregate  Stated Principal Balance of all of the Mortgage Loans (other than the
related Discount Fraction of each  Discount Mortgage Loan) immediately prior  to
such  Distribution  Date.  The  initial  Class  M-1,  Class  M-2  and  Class M-3
Percentages are greater than the initial percentage interests in the Trust  Fund
evidenced  by the Class M-1, Class M-2 and Class M-3 Certificates, respectively,
because the  Class M-1,  Class  M-2 and  Class  M-3 Percentages  are  calculated
without  regard to the Discount Fraction of the Stated Principal Balance of each
Discount Mortgage Loan.
 
                                      S-39
 
<PAGE>
<PAGE>
     As  stated  above  under  '  --  Principal  Distributions  on  the   Senior
Certificates,'  the  Senior  Accelerated Distribution  Percentage  will  be 100%
during the first  five years  after the  Delivery Date  (unless the  Certificate
Principal  Balances of  the Senior Certificates  (other than  the Principal Only
Certificates) are  reduced to  zero before  the end  of such  period), and  will
thereafter  equal 100% whenever the Senior Percentage exceeds the initial Senior
Percentage.  Furthermore,   as  set   forth  herein,   the  Senior   Accelerated
Distribution  Percentage  will exceed  the  Senior Percentage  during  the sixth
through ninth years following the Delivery Date, and scheduled reductions to the
Senior Accelerated Distribution Percentage are subject to postponement based  on
the  loss and delinquency experience of the  Mortgage Loans. In addition, if the
Certificate Principal Balances of the Senior Certificates (other than the  Class
A-7  Certificates, Class A-8 Certificates  and Principal Only Certificates) have
been reduced to zero, the Class A-7 Certificates and Class A-8 Certificates,  on
a  pro  rata basis  based  on the  principal amounts  of  the Class  A-7 Lockout
Components and the Certificate Principal Balance of the Class A-8  Certificates,
will receive 100% of the principal prepayments during the first five years after
the  Delivery Date  and will  receive a  disproportionately large  percentage of
prepayments  thereafter  during  certain  periods,  as  described  above   under
'  --  Principal Distributions  on the  Senior Certificates.'  Accordingly, each
class of  the  Class  M Certificates  will  not  be entitled  to  any  principal
prepayments  for at least the  first five years after  the Delivery Date (unless
the Certificate Principal Balances  of the Senior  Certificates (other than  the
Principal  Only Certificates) have been  reduced to zero before  the end of such
period), and may receive no principal prepayments or a disproportionately  small
portion of prepayments relative to the related Class M Percentage during certain
periods thereafter. See ' -- Principal Distributions on the Senior Certificates'
herein.
 
ALLOCATION OF LOSSES; SUBORDINATION
 
     The  Subordination  provided  to the  Senior  Certificates by  the  Class B
Certificates and Class  M Certificates  and the Subordination  provided to  each
class  of Class M Certificates  by the Class B Certificates  and by any class of
Class M  Certificates subordinate  thereto  will cover  Realized Losses  on  the
Mortgage  Loans  that are  Defaulted Mortgage  Losses, Fraud  Losses, Bankruptcy
Losses and Special Hazard Losses (as  defined herein). Any such Realized  Losses
which  are  not  Excess  Special  Hazard  Losses,  Excess  Fraud  Losses, Excess
Bankruptcy Losses or Extraordinary Losses  will be allocated as follows:  first,
to  the Class B Certificates;  second, to the Class  M-3 Certificates; third, to
the Class M-2 Certificates; and fourth,  to the Class M-1 Certificates, in  each
case  until the Certificate Principal Balance  of such class of Certificates has
been reduced to zero; and thereafter, if any such Realized Loss is on a Discount
Mortgage Loan, to  the Principal  Only Certificates in  an amount  equal to  the
related  Discount Fraction of  the principal portion of  such Realized Loss, and
the remainder of  such Realized Losses  and the entire  amount of such  Realized
Losses  on Non-Discount Mortgage Loans among all the remaining classes of Senior
Certificates (and, in  the case of  the Combination Certificates  and Class  A-7
Certificates,  to each component thereof) (and the  Excess Spread in the case of
the interest portion of a  Realized Loss) on a pro  rata basis, except that  the
principal  portion  of  Defaulted  Mortgage Losses  otherwise  allocable  to the
Combination Super Senior Certificates  will be allocated  to the Lockout  Senior
Support  Certificates  until the  Certificate Principal  Balance of  the Lockout
Senior Support Certificates  is reduced to  zero. Any allocation  of a  Realized
Loss  (other than  a Debt Service  Reduction) to  a Certificate will  be made by
reducing the Certificate Principal Balance thereof, in the case of the principal
portion of such  Realized Loss,  in each  case until  the Certificate  Principal
Balance  of such  class has  been reduced to  zero, and  the Accrued Certificate
Interest thereon  and the  amount  of the  Excess Spread,  in  the case  of  the
interest  portion of such  Realized Loss, by  the amount so  allocated as of the
Distribution Date occurring in the month  following the calendar month in  which
such  Realized Loss was incurred. In addition, any such allocation of a Realized
Loss to a  Class M  Certificate may  also be made  by operation  of the  payment
priority to the Senior Certificates set forth under ' -- Principal Distributions
on  the Senior Certificates' and any class of Class M Certificates with a higher
payment priority. As used herein, 'Debt Service Reduction' means a reduction  in
the  amount of  the monthly payment  due to certain  bankruptcy proceedings, but
does not  include  any  permanent  forgiveness of  principal.  As  used  herein,
'Subordination'  refers  to the  provisions discussed  above for  the sequential
allocation of  Realized  Losses  among  the various  classes,  as  well  as  all
provisions  effecting such allocations including the priorities for distribution
of cash flows in the amounts described herein.
 
     Allocations of the  principal portion  of Debt Service  Reductions to  each
class  of Class  M Certificates  and Class B  Certificates will  result from the
priority of  distributions of  the Available  Distribution Amount  as  described
herein,  which distributions  shall be  made first  to the  Senior Certificates,
second to the Class M  Certificates in the order  of their payment priority  and
third    to    the    Class    B   Certificates.    An    allocation    of   the
 
                                      S-40
 
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<PAGE>
interest portion of a  Realized Loss as  well as the  principal portion of  Debt
Service  Reductions will not reduce the level  of Subordination, as such term is
defined herein, until an amount in  respect thereof has been actually  disbursed
to   the  Senior  Certificateholders  or  the  Class  M  Certificateholders,  as
applicable. The holders of the Offered Certificates will not be entitled to  any
additional  payments  with respect  to  Realized Losses  from  amounts otherwise
distributable on  any classes  of Certificates  subordinate thereto  (except  in
limited  circumstances in respect of any Excess Subordinate Principal Amount, or
in the case of Principal Only  Collection Shortfalls, to the extent of  Eligible
Funds).  Accordingly,  the  Subordination provided  to  the  Senior Certificates
(other than  the Principal  Only Certificates)  and  to each  class of  Class  M
Certificates  by the respective classes of Certificates subordinate thereto with
respect to Realized Losses allocated on  any Distribution Date will be  effected
primarily  by  increasing  the  Senior Percentage,  or  the  respective  Class M
Percentage, of  future  distributions of  principal  of the  remaining  Mortgage
Loans.  Because the  Discount Fraction of  each Discount Mortgage  Loan will not
change over time,  the protection  from losses  provided to  the Principal  Only
Certificates  by the Class M Certificates and Class B Certificates is limited to
the prior right of the Principal  Only Certificates to receive distributions  in
respect  of principal as described herein.  Furthermore, principal losses on the
Mortgage Loans that are  not covered by Subordination  will be allocated to  the
Principal Only Certificates only to the extent they occur on a Discount Mortgage
Loan  and only to  the extent of  the related Discount  Fraction of such losses.
Such allocation of principal losses on the Discount Mortgage Loans may result in
such losses being allocated in an amount that is greater or less than would have
been the case had  such losses been allocated  in proportion to the  Certificate
Principal   Balance  of  the  Principal  Only  Certificates.  Thus,  the  Senior
Certificates (other than the Principal  Only Certificates) will bear the  entire
amount  of losses that are not allocated to the Class M Certificates and Class B
Certificates  (other  than   the  amount   allocable  to   the  Principal   Only
Certificates),  which  losses  will be  allocated  among all  classes  of Senior
Certificates (and, in  the case of  the Combination Certificates  and Class  A-7
Certificates,  to  each  component  thereof)  (other  than  the  Principal  Only
Certificates) as described herein.
 
     Because  the  Principal  Only  Certificates  are  entitled  to  receive  in
connection  with  the Final  Disposition  of a  Discount  Mortgage Loan,  on any
Distribution Date,  an amount  equal  to all  unpaid Principal  Only  Collection
Shortfalls to the extent of Eligible Funds on such Distribution Date, shortfalls
in  distributions of principal on any class  of Class M Certificates could occur
under certain circumstances,  even if  such class  is not  the most  subordinate
class of Certificates then outstanding.
 
     Any  Excess Special Hazard  Losses, Excess Fraud  Losses, Excess Bankruptcy
Losses,  Extraordinary  Losses  or  other  losses  of  a  type  not  covered  by
Subordination  on Non-Discount  Mortgage Loans will  be allocated on  a pro rata
basis among  the  Senior Certificates  (and,  in  the case  of  the  Combination
Certificates  and Class A-7 Certificates, to each component thereof) (other than
the Principal Only Certificates), the Excess Spread (in the case of the interest
portion of  any  such  Realized  Losses),  Class  M  Certificates  and  Class  B
Certificates  (any such Realized Losses so  allocated to the Senior Certificates
or Class M  Certificates will be  allocated without priority  among the  various
classes  of Senior Certificates (other than  the Principal Only Certificates) or
Class M Certificates). The principal portion of such losses on Discount Mortgage
Loans will be allocated to the Principal Only Certificates in an amount equal to
the related  Discount Fraction  thereof, and  the remainder  of such  losses  on
Discount Mortgage Loans will be allocated among the remaining Certificates (and,
in  the case of the Combination Certificates and Class A-7 Certificates, to each
component thereof) (and the Excess Spread in the case of the interest portion of
such losses) on a  pro rata basis. An  allocation of a Realized  Loss on a  'pro
rata basis' among two or more classes of Certificates or the Excess Spread means
an  allocation  to each  such class  of Certificates  on the  basis of  its then
outstanding  Certificate   Principal  Balance   prior   to  giving   effect   to
distributions  to be made on such Distribution Date in the case of an allocation
of the principal portion of a Realized Loss, or based on the Accrued Certificate
Interest thereon  and  the  amount of  the  Excess  Spread in  respect  of  such
Distribution  Date in  the case of  an allocation  of the interest  portion of a
Realized Loss;  provided  that  in determining  (a)  the  Certificate  Principal
Balances of the Class A-3 Certificates and Class A-4 Certificates, the principal
amounts  of the Class A-3 TAC  Accretion Directed Principal Component, Class A-4
TAC Principal Accretion Directed Principal  Component and Class A-4 TAC  Accrual
Principal  Component, for  the purpose of  allocating any portion  of a Realized
Loss thereto, shall be  deemed to be  the lesser of  (i) the original  principal
amount  of such component and (ii) the principal amounts of such component prior
to giving effect to distributions to be made on such Distribution Date.
 
     With respect to  any defaulted  Mortgage Loan that  is finally  liquidated,
through  foreclosure  sale, disposition  of  the related  Mortgaged  Property if
acquired on behalf  of the Certificateholders  by deed in  lieu of  foreclosure,
 
                                      S-41
 
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<PAGE>
or otherwise, the amount of loss realized, if any, will equal the portion of the
Stated  Principal Balance remaining,  if any, plus  interest thereon through the
last day of the month in which such Mortgage Loan was finally liquidated,  after
application  of all amounts recovered (net of amounts reimbursable to the Master
Servicer or  the Subservicer  for Advances  and expenses,  including  attorneys'
fees)  towards interest and principal owing on the Mortgage Loan. Such amount of
loss realized and any Special Hazard Losses, Fraud Losses and Bankruptcy  Losses
are referred to herein as 'Realized Losses.'
 
     In  order to maximize the likelihood of  distribution in full of the Senior
Interest Distribution  Amount, Principal  Only  Distribution Amount  and  Senior
Principal  Distribution  Amount on  each  Distribution Date,  holders  of Senior
Certificates and the owner of the Excess Spread have a right to distributions of
the Available Distribution Amount that is prior to the rights of the holders  of
the  Class M Certificates and  Class B Certificates, to  the extent necessary to
satisfy the  Senior Interest  Distribution Amount,  Principal Only  Distribution
Amount and Senior Principal Distribution Amount. Similarly, holders of the Class
M  Certificates  have a  right to  distributions  of the  Available Distribution
Amount prior to the rights of holders  of the Class B Certificates, and  holders
of any class of Class M Certificates with a higher payment priority have a right
to  distributions of  the Available Distribution  Amount prior to  the rights of
holders of any class of Class M  Certificates with a lower payment priority.  In
addition,  holders  of the  Combination Super  Senior  Certificates will  have a
right, on  each Distribution  Date  occurring on  or  after the  Credit  Support
Depletion  Date, to that portion of  the Available Distribution Amount otherwise
allocable to the Lockout Senior Support Certificates to the extent necessary  to
satisfy  the  Accrued  Certificate  Interest  on  the  Combination  Super Senior
Certificates and  the Combination  Super Senior  Optimal Principal  Distribution
Amount.
 
     The  application of the Senior Accelerated Distribution Percentage (when it
exceeds the Senior  Percentage) to determine  the Senior Principal  Distribution
Amount  will accelerate the amortization of  the Senior Certificates (other than
the Lockout Certificates and Principal Only Certificates) relative to the actual
amortization of the  Mortgage Loans.  The Principal Only  Certificates will  not
receive more than the Discount Fraction of any unscheduled payment relating to a
Discount  Mortgage Loan. To the extent  that the Senior Certificates (other than
the Lockout Certificates and Principal  Only Certificates) are amortized  faster
than  the Mortgage Loans, in the absence of offsetting Realized Losses allocated
to the Class M  Certificates and Class B  Certificates, the percentage  interest
evidenced  by such Senior Certificates in the Trust Fund will be decreased (with
a corresponding increase  in the  interest in the  Trust Fund  evidenced by  the
Lockout,  Class M  and Class  B Certificates),  thereby increasing,  relative to
their respective Certificate Principal Balances, the Subordination afforded  the
Senior  Certificates  by  the  Class M  Certificates  and  Class  B Certificates
collectively. In addition, if  losses on the Mortgage  Loans exceed the  amounts
described  above under ' -- Principal Distributions on the Senior Certificates,'
a greater percentage of full and partial principal prepayments will be allocated
to the Senior Certificates  (other than the  Lockout Certificates and  Principal
Only  Certificates) than would  otherwise be the  case, thereby accelerating the
amortization of such Senior  Certificates relative to the  Lockout, Class M  and
Class  B Certificates. In  the event that the  Certificate Principal Balances of
the Senior Certificates (other than the Lockout Certificates and Principal  Only
Certificates)  have  been  reduced  to zero,  the  amortization  of  the Lockout
Certificates during certain  periods will be  similarly accelerated relative  to
the   actual  amortization  of  the  Mortgage   Loans,  and  will  increase  the
Subordination afforded the Lockout Certificates by the Class M Certificates  and
Class  B Certificates collectively. Likewise, in  the event that the Certificate
Principal Balances  of  the  Combination Super  Senior  Certificates  have  been
reduced  to zero,  the amortization of  the Lockout  Senior Support Certificates
during certain  periods may  be  similarly accelerated  relative to  the  actual
amortization of the Mortgage Loans, and will increase the Subordination afforded
the  Lockout Senior Support Certificates by the Class M Certificates and Class B
Certificates.
 
     The priority of payments (including principal prepayments) among the  Class
M Certificates, as described herein, also has the effect during certain periods,
in the absence of losses, of decreasing the percentage interest evidenced by any
class   of  Class  M  Certificates  with  a  higher  payment  priority,  thereby
increasing, relative  to its  Certificate Principal  Balance, the  Subordination
afforded  to such class of the Class  M Certificates by the Class B Certificates
and any class of Class M Certificates with a lower payment priority.
 
     The  aggregate  amount  of  Realized  Losses  which  may  be  allocated  in
connection  with  Special Hazard  Losses (the  'Special Hazard  Amount') through
Subordination shall  initially  be  equal  to $4,408,398.  As  of  any  date  of
determination  following the Cut-off Date, the Special Hazard Amount shall equal
$4,408,398 less the sum  of (A) any amounts  allocated through Subordination  in
respect of Special Hazard Losses and (B) the
 
                                      S-42
 
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<PAGE>
Adjustment  Amount. The Adjustment Amount will  be equal to an amount calculated
pursuant to the terms of  the Pooling and Servicing  Agreement. As used in  this
Prospectus Supplement, 'Special Hazard Losses' has the same meaning set forth in
the  Prospectus,  except that  Special Hazard  Losses will  not include  and the
Subordination will not  cover Extraordinary  Losses, and  Special Hazard  Losses
will  not exceed the lesser of the cost  of repair or replacement of the related
Mortgaged Properties.
 
     The  aggregate  amount  of  Realized  Losses  which  may  be  allocated  in
connection  with Fraud  Losses (the  'Fraud Loss  Amount') through Subordination
shall initially  be  equal  to  approximately $9,033,042.  As  of  any  date  of
determination  after the  Cut-off Date,  the Fraud  Loss Amount  shall equal (X)
prior to the first anniversary of the  Cut-off Date an amount equal to 2.00%  of
the  aggregate principal balance of all of  the Mortgage Loans as of the Cut-off
Date minus the aggregate amounts allocated through Subordination with respect to
Fraud Losses up  to such date  of determination and  (Y) from the  first to  the
fifth  anniversary of the Cut-off Date, an amount equal to (1) the lesser of (a)
the Fraud Loss Amount as of the most recent anniversary of the Cut-off Date  and
(b)  1.00% of the aggregate principal balance of all of the Mortgage Loans as of
the most recent anniversary of the Cut-off Date minus (2) the aggregate  amounts
allocated  through Subordination  with respect  to Fraud  Losses since  the most
recent anniversary of the Cut-off Date up to such date of determination. On  and
after  the fifth anniversary of the Cut-off Date, the Fraud Loss Amount shall be
zero and Fraud Losses shall not be allocated through Subordination.
 
     The  aggregate  amount  of  Realized  Losses  which  may  be  allocated  in
connection   with   Bankruptcy   Losses   (the   'Bankruptcy   Amount')  through
Subordination will initially be equal to approximately $171,264. As of any  date
of  determination on  or after  the first anniversary  of the  Cut-off Date, the
Bankruptcy Amount will equal the  excess, if any, of (1)  the lesser of (a)  the
Bankruptcy  Amount  as  of  the  business day  next  preceding  the  most recent
anniversary of the  Cut-off Date and  (b) an amount  calculated pursuant to  the
terms  of the Pooling  and Servicing Agreement, which  amount as calculated will
provide for a reduction in the Bankruptcy Amount, over (2) the aggregate  amount
of  Bankruptcy Losses allocated  solely to the  Class M Certificates  or Class B
Certificates through Subordination since such anniversary.
 
     Notwithstanding the  foregoing, the  provisions relating  to  Subordination
will  not be  applicable in  connection with  a Bankruptcy  Loss so  long as the
Master Servicer has notified the Trustee in writing that the Master Servicer  is
diligently  pursuing  any  remedies  that  may  exist  in  connection  with  the
representations and  warranties made  regarding the  related Mortgage  Loan  and
either  (A) the related Mortgage Loan is  not in default with regard to payments
due thereunder or (B)  delinquent payments of principal  and interest under  the
related  Mortgage  Loan  and  any  premiums  on  any  applicable  Primary Hazard
Insurance Policy and  any related escrow  payments in respect  of such  Mortgage
Loan  are  being  advanced  on a  current  basis  by the  Master  Servicer  or a
Subservicer.
 
     The Special Hazard Amount, Fraud  Amount and Bankruptcy Amount are  subject
to further reduction as described in the Prospectus under 'Subordination.'
 
ADVANCES
 
     Prior  to each Distribution  Date, the Master Servicer  is required to make
Advances which were due on the  Mortgage Loans on the immediately preceding  Due
Date and delinquent on the business day next preceding the related Determination
Date.
 
     Such Advances are required to be made only to the extent they are deemed by
the  Master Servicer to be recoverable  from related late collections, Insurance
Proceeds, Liquidation Proceeds or  amounts otherwise payable  to the holders  of
the  Class B Certificates  or Class M  Certificates. The purpose  of making such
Advances is to maintain  a regular cash flow  to the Certificateholders,  rather
than  to guarantee  or insure  against losses. The  Master Servicer  will not be
required to make any Advances  with respect to reductions  in the amount of  the
monthly  payments on the  Mortgage Loans due  to Debt Service  Reductions or the
application of the Relief Act or similar legislation or regulations. Any failure
by the Master  Servicer to make  an Advance  as required under  the Pooling  and
Servicing  Agreement will  constitute an Event  of Default  thereunder, in which
case the Trustee, as  successor Master Servicer, will  be obligated to make  any
such  Advance,  in  accordance  with  the terms  of  the  Pooling  and Servicing
Agreement.
 
     All Advances  will  be reimbursable  to  the  Master Servicer  on  a  first
priority  basis  from  either  (a)  late  collections,  Insurance  Proceeds  and
Liquidation   Proceeds   from   the   Mortgage    Loan   as   to   which    such
 
                                      S-43
 
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unreimbursed Advance was made or (b) as to any Advance that remains unreimbursed
in  whole or  in part  following the final  liquidation of  the related Mortgage
Loan,  from  any  amounts  otherwise  distributable  on  any  of  the  Class   B
Certificates  or Class M Certificates; provided, however, that any such Advances
that were made with respect to delinquencies which ultimately were determined to
be Excess Special Hazard Losses,  Excess Fraud Losses, Excess Bankruptcy  Losses
or Extraordinary Losses are reimbursable to the Master Servicer out of any funds
in  the Custodial Account prior to distributions  on any of the Certificates and
the amount of such losses will be allocated as described herein. In addition, if
the Certificate  Principal Balances  of the  Class M  Certificates and  Class  B
Certificates  have been reduced to zero,  any Advances previously made which are
deemed  by  the  Master  Servicer   to  be  nonrecoverable  from  related   late
collections,  Insurance Proceeds and  Liquidation Proceeds may  be reimbursed to
the Master  Servicer  out  of  any  funds in  the  Custodial  Account  prior  to
distributions  on the Senior Certificates. The effect of these provisions on any
class of the Class  M Certificates is  that, with respect  to any Advance  which
remains  unreimbursed following  the final  liquidation of  the related Mortgage
Loan, the entire  amount of  the reimbursement for  such Advance  will be  borne
first  by  the holders  of the  Class B  Certificates  or any  class of  Class M
Certificates  having  a  lower  payment   priority  to  the  extent  that   such
reimbursement is covered by amounts otherwise distributable to such classes, and
then  by the holders of  such class of Class  M Certificates (except as provided
above) to the extent of the amounts otherwise distributable to them.
 
                  CERTAIN YIELD AND PREPAYMENT CONSIDERATIONS
 
GENERAL
 
     The yields to  maturity and the  aggregate amount of  distributions on  the
Offered  Certificates  will be  affected  by the  rate  and timing  of principal
payments on the Mortgage Loans and  the amount and timing of Mortgagor  defaults
resulting  in Realized Losses. Such yields may be adversely affected by a higher
or lower than anticipated  rate of principal payments  on the Mortgage Loans  in
the  Trust Fund. The rate  of principal payments on  such Mortgage Loans will in
turn be affected by the amortization  schedules of the Mortgage Loans, the  rate
and  timing of principal prepayments thereon  by the Mortgagors, liquidations of
defaulted Mortgage Loans and purchases of Mortgage Loans due to certain breaches
of representations  and  warranties.  The  timing of  changes  in  the  rate  of
prepayments,  liquidations  and purchases  of the  Mortgage  Loans may,  and the
timing of Realized Losses will, significantly  affect the yield to an  investor,
even  if  the  average  rate  of principal  payments  experienced  over  time is
consistent with  an  investor's  expectation.  Since  the  rate  and  timing  of
principal  payments on the Mortgage Loans will  depend on future events and on a
variety of  factors (as  described herein  and in  the Prospectus  under  'Yield
Considerations'  and 'Maturity and Prepayment Considerations'), no assurance can
be given as  to such rate  or the timing  of principal payments  on the  Offered
Certificates.
 
     The  Mortgage Loans generally may be prepaid  by the Mortgagors at any time
without payment of any prepayment fee  or penalty. The Mortgage Loans  generally
contain   due-on-sale   clauses.  As   described   under  'Description   of  the
Certificates  --  Principal  Distributions  on  the  Senior  Certificates'   and
' -- Principal Distributions on the Class M Certificates' herein, during certain
periods all or a disproportionately large percentage of principal prepayments on
the  Mortgage Loans will be allocated  among the Senior Certificates (other than
the Lockout Certificates  and Principal Only  Certificates), and during  certain
periods no principal prepayments or, relative to the related Class M Percentage,
a  disproportionately  small portion  of principal  prepayments on  the Mortgage
Loans will be distributed on each class of Class M Certificates. In addition  to
the  foregoing, if on any Distribution Date,  the loss level established for the
Class M-2 Certificates  or Class  M-3 Certificates is  exceeded and  a class  of
Class  M Certificates having a higher  payment priority is then outstanding, the
Class M-2 Certificates or Class M-3 Certificates,  as the case may be, will  not
receive  distributions in respect of  principal prepayments on such Distribution
Date. Prepayments, liquidations and purchases of the Mortgage Loans will  result
in  distributions to  holders of the  Offered Certificates  of principal amounts
which would otherwise be  distributed over the remaining  terms of the  Mortgage
Loans.  Factors affecting  prepayment (including  defaults and  liquidations) of
mortgage loans  include changes  in mortgagors'  housing needs,  job  transfers,
unemployment, mortgagors' net equity in the mortgaged properties, changes in the
value of the mortgaged properties, mortgage market interest rates, solicitations
and  servicing  decisions.  In  addition,  if  prevailing  mortgage  rates  fell
significantly below  the Mortgage  Rates  on the  Mortgage  Loans, the  rate  of
prepayments  (including refinancings) would be expected to increase. Conversely,
if prevailing mortgage rates
 
                                      S-44
 
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rose significantly above the Mortgage Rates  on the Mortgage Loans, the rate  of
prepayments on the Mortgage Loans would be expected to decrease.
 
     Investors in the Lockout Certificates should be aware that while the Senior
Certificates   (other  than   the  Lockout   Certificates  and   Principal  Only
Certificates) are outstanding,  the Lockout  Certificates will  not receive  any
portion  of principal payments or prepayments on the Mortgage Loans prior to the
Distribution Date occurring in October 2001 and, prior to the Distribution  Date
occurring  in  October 2005,  will receive  less  than their  pro rata  share of
principal prepayments on  the Mortgage  Loans. Therefore,  the weighted  average
life  of the Lockout Certificates  will be longer than would  be the case if the
Lockout Certificates were to receive their pro rata share of principal  payments
or  prepayments, and the effect on the  market value of the Lockout Certificates
of changes in market interest rates or market yields for similar securities will
be greater than would be the case  if the Lockout Certificates were entitled  to
receive their pro rata share of such distributions.
 
     All  classes of Senior  Certificates are subject  to various priorities for
payment of principal as described herein. Distributions of principal on  classes
having  an  earlier  priority  of  payment will  be  affected  by  the  rates of
prepayment of the Mortgage  Loans early in  the life of  the Mortgage Pool.  The
timing of commencement of principal distributions and the weighted average lives
of  classes of Certificates with a later priority of payment will be affected by
the rates of prepayment  experienced both before and  after the commencement  of
principal distributions on such classes.
 
     The  rate of defaults on  the Mortgage Loans will  also affect the rate and
timing of principal  payments on  the Mortgage  Loans. In  general, defaults  on
mortgage  loans  are expected  to occur  with greater  frequency in  their early
years. The rate  of default  on Mortgage Loans  which are  refinance or  limited
documentation  mortgage  loans, and  on Mortgage  Loans with  high Loan-to-Value
Ratios, may be higher than for  other types of Mortgage Loans. Furthermore,  the
rate  and timing of prepayments, defaults and liquidations on the Mortgage Loans
will be affected by the general economic condition of the region of the  country
in which the related Mortgaged Properties are located. The risk of delinquencies
and  loss is greater and prepayments are less  likely in regions where a weak or
deteriorating economy  exists, as  may  be evidenced  by, among  other  factors,
increasing unemployment or falling property values. See 'Maturity and Prepayment
Considerations' in the Prospectus.
 
     After  the Certificate Principal Balances of  the Class B Certificates have
been reduced to zero, the yield to maturity on the class of Class M Certificates
then outstanding with the lowest payment priority will be extremely sensitive to
losses on the Mortgage Loans (and the timing thereof) because the entire  amount
of  losses that are covered by Subordination  will be allocated to such class of
Class M  Certificates.  See '  --  Class M-2  and  Class M-3  Certificate  Yield
Considerations' below. In addition, if the Certificate Principal Balances of the
Class  M Certificates and Class B Certificates are reduced to zero, the yield to
maturity on the Lockout Senior Support Certificates will be extremely  sensitive
to  the rate of default  and liquidations on the  Mortgage Loans and the Lockout
Senior Support  Certificates  will  bear  a greater  risk  of  losses  than  the
Combination  Super Senior Certificates because of  the allocation thereto of the
portion of  Defaulted Mortgage  Losses otherwise  allocable to  the  Combination
Super Senior Certificates. Furthermore, because principal distributions are paid
to  certain classes of Senior Certificates and Class M Certificates before other
classes, holders of classes  having a later priority  of payment bear a  greater
risk   of  losses  than  holders  of   classes  having  earlier  priorities  for
distribution of principal.
 
     Because the Mortgage Rates on the Mortgage Loans and the Pass-Through Rates
on the Offered Certificates (other  than the Companion Certificates) are  fixed,
such  rates will  not change  in response to  changes in  market interest rates.
Accordingly, if market interest rates or market yields for securities similar to
the Offered  Certificates  were  to  rise,  the  market  value  of  the  Offered
Certificates  may decline. In addition, the  Pass-Through Rates on the Companion
Certificates are based on LIBOR, which  may not rise and fall consistently  with
prevailing  mortgage  interest rates.  Investors  in the  Companion Certificates
should fully consider the  floater or inverse  floater nature, respectively,  of
such  Certificates and the effect on the  yields on such Certificates of changes
in the level  of LIBOR.  See '  -- Companion  Certificate Yield  Considerations'
herein.
 
     As  described  under  'Description  of the  Certificates  --  Allocation of
Losses; Subordination' and  ' -- Advances,'  amounts otherwise distributable  to
holders of one or more classes of the Class M Certificates may be made available
to  protect the holders  of the Senior  Certificates and holders  of any Class M
Certificates  with   a  higher   payment  priority   against  interruptions   in
distributions  due to certain Mortgagor delinquencies, to the extent not covered
by Advances.  Such delinquencies  may affect  the yields  to investors  on  such
classes of the Class M Certificates, and, even if subsequently cured, may affect
the timing of the receipt of distributions by the
 
                                      S-45
 
<PAGE>
<PAGE>
holders  of such classes of Class  M Certificates. Similarly, if the Certificate
Principal Balances of  the Class  M Certificates  and Class  B Certificates  are
reduced  to zero, delinquencies on the Mortgage  Loans to the extent not covered
by Advances will  affect the yield  to investors on  the Lockout Senior  Support
Certificates   because  the  amount   of  any  shortfall   resulting  from  such
delinquencies  and  otherwise   allocable  to  the   Combination  Super   Senior
Certificates  would be borne  by the Lockout Senior  Support Certificates to the
extent such Certificates are then  outstanding. Furthermore, the Principal  Only
Certificates  will  share in  the principal  portion of  Realized Losses  on the
Mortgage Loans  only  to the  extent  that they  are  incurred with  respect  to
Discount Mortgage Loans and only to the extent of the related Discount Fraction;
thus, after the Class B Certificates and the Class M Certificates are retired or
in  the  case  of Excess  Special  Hazard  Losses, Excess  Fraud  Losses, Excess
Bankruptcy Losses and Extraordinary Losses, the Senior Certificates (other  than
the  Principal Only Certificates) may be affected  to a greater extent by losses
on Non-Discount  Mortgage  Loans than  losses  on Discount  Mortgage  Loans.  In
addition,  a  higher than  expected rate  of delinquencies  or losses  will also
affect the rate  of principal payments  on one or  more classes of  the Class  M
Certificates  if it  delays the  scheduled reduction  of the  Senior Accelerated
Distribution Percentage or affects the allocation of prepayments among the Class
M Certificates and Class B Certificates.
 
     The periodic  increase in  interest  paid by  the  Mortgagor of  a  Buydown
Mortgage  Loan may  increase the  risk of  default with  respect to  the related
Mortgage Loan. See 'Mortgage Loan Program -- Underwriting Standards' and  'Yield
Considerations' in the Prospectus.
 
     The  amount  of  interest  otherwise  payable  to  holders  of  the Offered
Certificates will  be reduced  by  any interest  shortfalls  to the  extent  not
covered  by  Subordination  or, by  the  Master Servicer,  as  described herein,
including Prepayment Interest Shortfalls and, in  the case of each class of  the
Class  M Certificates, the interest portions of Realized Losses allocated solely
to such class of Certificates. Such shortfalls will not be offset by a reduction
in the Servicing  Fees payable to  the Master Servicer  or otherwise, except  as
described  herein with  respect to  certain Prepayment  Interest Shortfalls. See
'Yield   Considerations'   in   the   Prospectus   and   'Description   of   the
Certificates -- Interest Distributions' herein for a discussion of the effect of
principal  prepayments on  the Mortgage  Loans on the  yield to  maturity of the
Offered Certificates  and  certain  possible shortfalls  in  the  collection  of
interest.
 
     The  yield to  investors in  the Offered  Certificates will  be affected by
Prepayment Interest  Shortfalls allocable  thereto in  the month  preceding  any
Distribution Date to the extent that such shortfalls exceed the amount offset by
the   Master  Servicer.  See  'Description   of  the  Certificates  --  Interest
Distributions' herein.
 
     In  addition,  the  yield  to  maturity  on  each  class  of  the   Offered
Certificates  will depend on, among other things,  the price paid by the holders
of the Offered  Certificates and the  related Pass-Through Rate.  The extent  to
which  the  yield  to  maturity  of  an  Offered  Certificate  is  sensitive  to
prepayments will depend, in part, upon the degree to which it is purchased at  a
discount or premium. In general, if a class of Offered Certificates is purchased
at  a premium and  principal distributions thereon  occur at a  rate faster than
assumed at the time of purchase, the investor's actual yield to maturity will be
lower than that anticipated at the time  of purchase. Conversely, if a class  of
Offered  Certificates  is purchased  at a  discount and  principal distributions
thereon occur at a rate  slower than that assumed at  the time of purchase,  the
investor's  actual yield to maturity will be  lower than that anticipated at the
time of purchase.  For additional considerations  relating to the  yield on  the
Certificates,   see   'Yield  Considerations'   and  'Maturity   and  Prepayment
Considerations' in the Prospectus.
 
     PAC Certificates  and Combination  Certificates: The  PAC Certificates  and
Combination Certificates (to the extent of the PAC Principal Components thereof)
have  been structured  so that  principal distributions  generally will  be made
thereon in the amounts determined by using the table described herein,  assuming
that  prepayments on  the Mortgage  Loans occur each  month at  a constant level
within a range which  is between approximately 100%  SPA and approximately  450%
SPA (the 'PAC Targeted Range'), and based on certain other assumptions.
 
     There  can  be  no  assurance  that  funds  available  for  distribution of
principal on  the  PAC  Certificates  and in  reduction  of  the  PAC  Principal
Components  of the Combination Certificates will be sufficient to cover, or will
not be in excess of, the PAC Principal Amount for any Distribution Date. To  the
extent that prepayments occur at a level below approximately 100% SPA, the funds
available   on  each  Distribution  Date  may  be  insufficient  to  reduce  the
Certificate Principal Balances of the PAC Certificates and the principal  amount
of  the  PAC  Principal  Components of  the  Combination  Certificates  to their
respective Planned  Principal  Balances  for such  Distribution  Date,  and  the
weighted  average lives of the related Certificates may be extended. Conversely,
to the extent that  prepayments occur at a  level above approximately 450%  SPA,
after the Certificate Principal Balances of the
 
                                      S-46
 
<PAGE>
<PAGE>
Companion Certificates and principal amounts of the TAC Principal Components are
reduced  to zero, the Certificate Principal Balances of the PAC Certificates and
the principal  amounts  of  the  PAC Principal  Components  of  the  Combination
Certificates  may be reduced  below their respective  Planned Principal Balances
and the  weighted average  lives of  the related  Certificates may  be  reduced.
Alternatively,  in certain high prepayment  rate scenarios, the weighted average
lives of certain classes of Certificates with later priorities of payment may be
extended as a  result of  the manner  of allocation  of principal  distributions
among  the Certificates and the reduced size  of the Mortgage Pool. In addition,
the averaging of high  and low principal prepayment  rates, even if the  average
prepayment  level  is  within  the  PAC  Targeted  Range,  will  not  ensure the
distribution of the PAC  Principal Amount on any  Distribution Date because  the
balance of the Senior Principal Distribution Amount remaining after distribution
of  the PAC Principal Amount  will be distributed on  each Distribution Date and
therefore will not  be available for  distributions on the  PAC Certificates  on
subsequent Distribution Dates.
 
     Investors  in  the PAC  Certificates and  Combination Certificates  (to the
extent of  the  PAC Principal  Components  thereof)  should be  aware  that  the
stabilization   provided   by   the  Companion   Certificates   and  Combination
Certificates (to the extent of the  TAC Components thereof) is sensitive to  the
rate  of principal  prepayments on  the Mortgage  Loans, and  that the Companion
Certificates and Combination Certificates (to the extent of the TAC  Components)
may  be  reduced to  zero significantly  earlier  than anticipated.  The initial
amount of the Certificate Principal  Balances of the Companion Certificates  and
the  TAC Components  of the Combination  Certificates is  equal to approximately
133.1% of  the  aggregate initial  Certificate  Principal Balances  of  the  PAC
Certificates  and  the initial  amount of  the PAC  Principal Components  of the
Combination Certificates.
 
     The  Certificate  Principal  Balance  of  any  outstanding  class  of   PAC
Certificates  and the principal  amounts of the PAC  Principal Components on any
Distribution Date may  be higher  or lower  than its  related Planned  Principal
Balance.  Moreover, the classes of PAC Certificates and PAC Principal Components
with  later  priorities  of  payment  are  less  likely  to  benefit  from   the
stabilization  of principal distributions provided by the Companion Certificates
and TAC  Principal  Components  than  the  PAC  Certificates  or  PAC  Principal
Components  with earlier priorities of  payment. Consequently, those classes and
components entitled to later distributions of principal may be more sensitive to
the rate of prepayment and to losses than those classes and components  entitled
to earlier distributions of principal.
 
     Combination  Certificates: The TAC Principal  Components of the Combination
Certificates have been structured so that principal distributions generally will
be made thereon in the amounts  determined by using the table described  herein,
assuming  that prepayments on the Mortgage Loans  occur each month at a constant
level of approximately 250% SPA (the 'TAC Targeted Speed'), and based on certain
other assumptions.
 
     There can  be  no  assurance  that  funds  available  for  distribution  of
principal  on the TAC Principal Components  of the Combination Certificates will
be sufficient to cover, or  will not be in excess  of, the TAC Principal  Amount
for any Distribution Date. To the extent that prepayments occur at a level below
approximately  250% SPA,  the funds available  on each Distribution  Date may be
insufficient to  reduce  the amount  of  the  TAC Principal  Components  of  the
Combination  Certificates to  their respective  Targeted Principal  Balances for
such  Distribution  Date,  and  the  weighted  average  lives  of  the   related
Certificates  may be extended. Conversely, to  the extent that prepayments occur
at a  level  above  approximately  250% SPA,  after  the  Certificate  Principal
Balances  of  the  Companion Certificates  are  reduced to  zero,  the principal
amounts of the TAC Principal Components  of the Combination Certificates may  be
reduced  below  their respective  Targeted Principal  Balances and  the weighted
average lives  of the  related Certificates  may be  reduced. Alternatively,  in
certain  high prepayment rate  scenarios, the weighted  average lives of certain
classes of Certificates with  later priorities of payment  may be extended as  a
result  of  the  manner  of  allocation  of  principal  distributions  among the
Certificates and  the  reduced size  of  the  Mortgage Pool.  In  addition,  the
averaging  of  high and  low  principal prepayment  rates,  even if  the average
prepayment level is approximately 250% SPA, will not ensure the distribution  of
the  TAC Principal Amount  on any Distribution  Date because the  balance of the
Senior Principal Distribution  Amount remaining  after distribution  of the  TAC
Principal  Amount will  be distributed on  each Distribution  Date and therefore
will not  be available  for distributions  on the  TAC Principal  Components  on
subsequent Distribution Dates.
 
     Investors  in  the  Combination  Certificates (to  the  extent  of  the TAC
Principal Components thereof) should be aware that the stabilization provided by
the Companion Certificates is sensitive to the rate of principal prepayments  on
the  Mortgage Loans, and that the Companion  Certificates may be reduced to zero
significantly
 
                                      S-47
 
<PAGE>
<PAGE>
earlier than  anticipated.  The  initial amount  of  the  Certificate  Principal
Balances  of the Companion  Certificates is equal to  approximately 19.5% of the
aggregate initial  amount of  the TAC  Principal Components  of the  Combination
Certificates.
 
     The  principal amount  of any TAC  Principal Component  on any Distribution
Date may  be  higher or  lower  than  its related  Targeted  Principal  Balance.
Moreover, the TAC Principal Components with later priorities of payment are less
likely  to benefit from the stabilization of principal distributions provided by
the Companion  Certificates  than  the TAC  Principal  Components  with  earlier
priorities   of  payment.  Consequently,  those  components  entitled  to  later
distributions of principal may be more  sensitive to the rate of prepayment  and
to losses than those entitled to earlier distributions of principal.
 
     It  is very unlikely that the Mortgage  Loans will prepay at any particular
constant  rate.  Furthermore,  the  Planned  Principal  Balances  and   Targeted
Principal   Balances  set  forth  in  the   tables  under  'Description  of  the
Certificates  --  Principal  Distributions  on  the  Senior  Certificates'  were
calculated   based  on  certain   assumptions  which  differ   from  the  actual
characteristics and expected performance of the  Mortgage Loans. As a result  of
the variances between the actual characteristics of the Mortgage Loans and those
assumptions,  the actual  prepayment rates that  will result  in the Certificate
Principal Balances of the PAC Certificates and Combination Certificates (to  the
extent  of  the  PAC  Principal Components  and  the  TAC  Principal Components)
equalling the amounts set forth in such table may differ from the rates used  to
calculate  such amounts.  For example,  the actual  Mortgage Loans  have diverse
remaining terms to maturity such that if  an SPA rate (the application of  which
is  dependent on the  difference between the  original term to  maturity and the
remaining term  to  maturity  of  a mortgage  loan)  were  applied  individually
thereto,  the resulting aggregate cash flow  and amortization might be different
from those  resulting  from  the  assumed weighted  average  remaining  term  to
maturity.  In addition, the prepayment rates that will result in the Certificate
Principal Balances of the PAC Certificates and Combination Certificates (to  the
extent  of  the  PAC  Principal Components  and  the  TAC  Principal Components)
equalling such amounts may vary over time  as a result of the actual  prepayment
experience  of  the  Mortgage  Loans. Moreover,  because  the  Planned Principal
Balances  and  Targeted  Principal   Balances  were  calculated  using   certain
assumptions  regarding the Mortgage Loans, the actual prepayment behavior of the
individual  Mortgage  Loans  could  be  such  that  the  amount  available   for
distributions  of principal on the PAC Certificates and Combination Certificates
(to the extent of the PAC Principal Components and the TAC Principal Components)
may not result in their respective Certificate Principal Balances or  Components
equalling  their  respective Planned  Principal  Balances or  Targeted Principal
Balances even if prepayments  were at a constant  speed within the PAC  Targeted
Range, or if prepayments were at the TAC Targeted Speed.
 
     Combination  Certificates and  Companion Certificates:  Because all amounts
available for principal distributions among the Class A-1, Class A-2, Class A-3,
Class A-4, Class  A-5 and  Class A-6  Certificates in  any given  month will  be
applied  first to the TAC Accretion  Directed Principal Components to the extent
of the Accrual  Distribution Amount, then  to the PAC  Certificates and the  PAC
Principal  Components  of  the  Combination Certificates  and  then  to  the TAC
Principal Components of  the Combination Certificates,  in each case  up to  the
described  amounts, and  any excess  over such  amounts will  be applied  to the
Companion Certificates and then to the Combination Certificates to the extent of
the TAC Components  thereof, the  rate of  principal distributions  on, and  the
weighted   average  life   of,  the   Companion  Certificates   and  Combination
Certificates (to the extent of the TAC Components thereof) will be significantly
more sensitive to changes in the rates of prepayment of the Mortgage Loans  than
the rate of principal distributions on and the weighted average lives of the PAC
Certificates.
 
     Class  A-3  TAC  Accretion  Directed  Principal  Component:  Prior  to  the
Accretion Termination  Date,  the Class  A-3  TAC Accretion  Directed  Principal
Component  and Class A-4 TAC Accretion Directed Principal Component will receive
as monthly principal distributions the  Accrual Distribution Amount (as  defined
herein),  on a pro  rata basis. The  Class A-3 TAC  Accretion Directed Principal
Component and Class A-4 TAC  Accretion Directed Principal Component may  receive
additional  principal  distributions on  such  Distribution Dates,  as described
herein. Prior  to the  Accretion  Termination Date,  interest shortfalls  to  be
allocated  to the Class A-4 TAC Accrual Principal Component will be so allocated
by reducing the  amount that  is added to  such component.  This reduction  will
correspond  to a reduction in the amount  available to be distributed in respect
of principal to  the Class A-3  TAC Accretion Directed  Principal Component  and
Class A-4 TAC Accretion Directed Principal Component on the related Distribution
Date  as described herein  and the amount added  to the amount  of Class A-4 TAC
Accrual Principal Component on future  Distribution Dates will also be  reduced.
Accordingly,
 
                                      S-48
 
<PAGE>
<PAGE>
assuming  interest  shortfalls  are  allocated  to  the  Class  A-4  TAC Accrual
Principal Component, the weighted average life of the Class A-3 Certificates and
Class A-4 Certificates (to the extent  affected by the performance of the  Class
A-3  TAC  Accretion Directed  Principal Component  and  Class A-4  TAC Accretion
Directed Principal Component, respectively) could be extended. In addition,  the
Accretion Termination Date may be later (or earlier) than otherwise anticipated.
 
     Sequentially  Paying  Classes:  The  Senior  Certificates  (other  than the
Lockout Certificates, Principal Only Certificates and Class A-4 Certificates, to
the extent of the PAC Interest  Only Component and TAC Interest Only  Component)
are  subject to various priorities for payment of principal as described herein.
INVESTORS  SHOULD  BE  AWARE  THAT  THE  'SEQUENTIAL'  NATURE  OF  SUCH   SENIOR
CERTIFICATES  IS NOT RELATED TO THE NUMERICAL DESIGNATION OF ANY CLASS OF SENIOR
CERTIFICATES, BUT RATHER RELATES TO THE ALLOCATION OF PRINCIPAL TO SOME  CLASSES
OF  SENIOR CERTIFICATES PRIOR TO THE ALLOCATION OF PRINCIPAL TO OTHER CLASSES OF
SENIOR CERTIFICATES. Distributions  of principal  on classes  having an  earlier
priority  of payment will be affected by the rates of prepayment of the Mortgage
Loans early in  the life of  the Mortgage  Pool. The timing  of commencement  of
principal   distributions  and  the   weighted  average  lives   of  classes  of
Certificates with a later priority of payment  will be affected by the rates  of
prepayment  of  the  Mortgage  Loans  experienced  both  before  and  after  the
commencement of principal distributions on such classes.
 
     Assumed Final Distribution Date: The  assumed final Distribution Date  with
respect  to each class of the Offered  Certificates is September 25, 2026, which
is the Distribution  Date immediately  following the  latest scheduled  maturity
date  for any Mortgage Loan.  No event of default,  change in the priorities for
distribution among the various classes or other provisions under the Pooling and
Servicing Agreement will  arise or  become applicable  solely by  reason of  the
failure  to  retire the  entire Certificate  Principal Balance  of any  class of
Certificates on or before its assumed final Distribution Date.
 
     Weighted Average Life: Weighted average  life refers to the average  amount
of  time that will elapse from the date of issuance of a security to the date of
distribution to  the  investor  of  each  dollar  distributed  in  reduction  of
principal  of such security  (assuming no losses). The  weighted average life of
the Offered Certificates will be influenced by, among other things, the rate  at
which  principal of  the Mortgage  Loans is paid,  which may  be in  the form of
scheduled amortization, prepayments or liquidations.
 
     Prepayments  on  mortgage  loans  are  commonly  measured  relative  to   a
prepayment  standard or model. The model used in this Prospectus Supplement, the
standard prepayment assumption ('SPA'), represents an assumed rate of prepayment
each month relative to the then outstanding  principal balance of a pool of  new
mortgage  loans. A prepayment assumption of 100% SPA assumes constant prepayment
rates of  0.20% per  annum of  the then  outstanding principal  balance of  such
mortgage  loans in  the first  month of the  life of  the mortgage  loans and an
additional 0.20%  per annum  in  each month  thereafter  until the  30th  month.
Beginning  in the 30th month and in each month thereafter during the life of the
mortgage loans, 100% SPA assumes a constant prepayment rate of 6% per annum each
month. As used in the table below, '0% SPA' assumes prepayment rates equal to 0%
of SPA (no  prepayments). Correspondingly, '250%  SPA' assumes prepayment  rates
equal  to 250% of  SPA, and so  forth. SPA does  not purport to  be a historical
description of prepayment experience or a prediction of the anticipated rate  of
prepayment of any pool of mortgage loans, including the Mortgage Loans.
 
     The  table  set forth  below  has been  prepared  on the  basis  of certain
assumptions as described below regarding the weighted average characteristics of
the Mortgage  Loans that  are  expected to  be included  in  the Trust  Fund  as
described  under 'Description of  the Mortgage Pool'  herein and the performance
thereof. The table  assumes, among  other things,  that (i)  as of  the date  of
issuance  of the  Offered Certificates,  the Mortgage  Loans have  the following
characteristics:
 
<TABLE>
<CAPTION>
                                                                            DISCOUNT        NON-DISCOUNT
                                                                         MORTGAGE LOANS    MORTGAGE LOANS
                                                                         --------------    --------------
 
<S>                                                                      <C>               <C>
Aggregate Principal Balance...........................................     $37,937,553      $413,714,523
Mortgage Rate.........................................................    7.7896976763%           8.6822%
Servicing Fee Rate....................................................    0.3089795923%           0.2963%
Original term to maturity (months)....................................             360               359
Remaining term to maturity (months)...................................             354               357
</TABLE>
 
     (ii) the scheduled monthly payment for each Mortgage Loan has been based on
its outstanding balance, interest rate and remaining term to maturity, such that
the   Mortgage    Loan    will    amortize    in    amounts    sufficient    for
 
                                      S-49
 
<PAGE>
<PAGE>
repayment  thereof  over  its remaining  term  to  maturity; (iii)  none  of the
Unaffiliated Sellers, the  Master Servicer  or the Company  will repurchase  any
Mortgage  Loan, as described under 'Mortgage  Loan Program -- Representations by
Sellers' and  'Description of  the Certificates  -- Assignment  of the  Mortgage
Loans'  in  the Prospectus,  and  neither the  Master  Servicer nor  the Company
exercises any  option  to  purchase  the Mortgage  Loans  and  thereby  cause  a
termination  of  the Trust  Fund; (iv)  there are  no delinquencies  or Realized
Losses on the Mortgage Loans, and principal payments on the Mortgage Loans  will
be timely received together with prepayments, if any, at the respective constant
percentages  of SPA set forth in the  table; (v) there is no Prepayment Interest
Shortfall or any  other interest shortfall  in any month;  (vi) payments on  the
Certificates  will be received on the 25th day of each month, commencing October
25, 1996; (vii)  payments on  the Mortgage  Loans earn  no reinvestment  return;
(viii)  there are no additional  ongoing Trust Fund expenses  payable out of the
Trust Fund; (ix) the Certificates will  be purchased on September 26, 1996;  and
(x)  the Planned Principal Balances and  Targeted Principal Balances for the PAC
Certificates, PAC  Principal  Components and  TAC  Principal Components  are  as
stated  in the table entitled 'Planned Principal Balances and Targeted Principal
Balances' under  the  heading  'Description of  the  Certificates  --  Principal
Distributions  on  the  Senior  Certificates'  (collectively,  the  'Structuring
Assumptions').
 
     The actual  characteristics  and performance  of  the Mortgage  Loans  will
differ  from the  assumptions used  in constructing  the table  set forth below,
which is hypothetical in nature and is provided only to give a general sense  of
how  the principal cash  flows might behave  under varying prepayment scenarios.
For example,  it is  very unlikely  that the  Mortgage Loans  will prepay  at  a
constant  level of  SPA until maturity  or that  all of the  Mortgage Loans will
prepay at  the same  level of  SPA.  Moreover, the  diverse remaining  terms  to
maturity   of  the  Mortgage  Loans  may  produce  slower  or  faster  principal
distributions than indicated in the table at the various constant percentages of
SPA specified, even if  the weighted average remaining  term to maturity of  the
Mortgage  Loans is as  assumed. Any difference between  such assumptions and the
actual  characteristics  and  performance  of  the  Mortgage  Loans,  or  actual
prepayment  or loss experience, may materially affect the percentages of initial
Certificate Principal Balances  outstanding over time  and the weighted  average
lives of certain classes of Offered Certificates.
 
     Subject  to the foregoing  discussion and assumptions,  the following table
indicates the weighted average life of each class of Offered Certificates (other
than the Residual Certificates), and sets  forth the percentages of the  initial
Certificate  Principal Balance of  each such class  of Offered Certificates that
would be outstanding  after each of  the dates shown  at various percentages  of
SPA.
 
                                      S-50
<PAGE>
<PAGE>
 PERCENT OF INITIAL CERTIFICATE PRINCIPAL BALANCE OUTSTANDING AT THE FOLLOWING
                               PERCENTAGES OF SPA
<TABLE>
<CAPTION>
                                                 CLASS A-1                                    CLASS A-2
                                  ----------------------------------------     ----------------------------------------
DISTRIBUTION DATE                  0%      150%     250%     350%     500%      0%      150%     250%     350%     500%
- -----------------                 ----     ----     ----     ----     ----     ----     ----     ----     ----     ----
<S>                               <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
Initial Percentage............     100     100      100      100      100       100     100      100      100      100
September 25, 1997............     100     100      100      100      100       100     100      100      100      100
September 25, 1998............     100      78       78       78       78       100     100      100      100      100
September 25, 1999............     100      34       34       34       34       100     100      100      100      100
September 25, 2000............     100       0        0        0        0       100      94       94       94       94
September 25, 2001............      97       0        0        0        0       100      64       64       64       61
September 25, 2002............      89       0        0        0        0       100      38       38       38       29
September 25, 2003............      81       0        0        0        0       100      15       15       15       10
September 25, 2004............      73       0        0        0        0       100       2        2        2        *
September 25, 2005............      63       0        0        0        0       100       0        0        0        0
September 25, 2006............      53       0        0        0        0       100       0        0        0        0
September 25, 2007............      42       0        0        0        0       100       0        0        0        0
September 25, 2008............      30       0        0        0        0       100       0        0        0        0
September 25, 2009............      17       0        0        0        0       100       0        0        0        0
September 25, 2010............       2       0        0        0        0       100       0        0        0        0
September 25, 2011............       0       0        0        0        0        90       0        0        0        0
September 25, 2012............       0       0        0        0        0        77       0        0        0        0
September 25, 2013............       0       0        0        0        0        63       0        0        0        0
September 25, 2014............       0       0        0        0        0        48       0        0        0        0
September 25, 2015............       0       0        0        0        0        32       0        0        0        0
September 25, 2016............       0       0        0        0        0        14       0        0        0        0
September 25, 2017............       0       0        0        0        0         0       0        0        0        0
September 25, 2018............       0       0        0        0        0         0       0        0        0        0
September 25, 2019............       0       0        0        0        0         0       0        0        0        0
September 25, 2020............       0       0        0        0        0         0       0        0        0        0
September 25, 2021............       0       0        0        0        0         0       0        0        0        0
September 25, 2022............       0       0        0        0        0         0       0        0        0        0
September 25, 2023............       0       0        0        0        0         0       0        0        0        0
September 25, 2024............       0       0        0        0        0         0       0        0        0        0
September 25, 2025............       0       0        0        0        0         0       0        0        0        0
September 25, 2026............       0       0        0        0        0         0       0        0        0        0
Weighted Average
  Life in Years** ............    10.0     2.7      2.7      2.7      2.7      17.8     5.7      5.7      5.7      5.5
 
<CAPTION>
                                             CLASS A-3
                              ---------------------------------------
DISTRIBUTION DATE              0%     150%     250%     350%     500%
- ------------------            ----    ----     ----     ----     ----
<S>                                   <C>      <C>      <C>      <C>
Initial Percentage............ 100    100      100      100      100
September 25, 1997............  93     82       78       78       78
September 25, 1998............  86     64       51       51       35
September 25, 1999............  77     54       29       24        0
September 25, 2000............  69     45       10        0        0
September 25, 2001............  62     36        0        0        0
September 25, 2002............  57     28        0        0        0
September 25, 2003............  52     20        0        0        0
September 25, 2004............  47      9        0        0        0
September 25, 2005............  41      0        0        0        0
September 25, 2006............  35      0        0        0        0
September 25, 2007............  29      0        0        0        0
September 25, 2008............  22      0        0        0        0
September 25, 2009............  14      0        0        0        0
September 25, 2010............   6      0        0        0        0
September 25, 2011............   0      0        0        0        0
September 25, 2012............   0      0        0        0        0
September 25, 2013............   0      0        0        0        0
September 25, 2014............   0      0        0        0        0
September 25, 2015............   0      0        0        0        0
September 25, 2016............   0      0        0        0        0
September 25, 2017............   0      0        0        0        0
September 25, 2018............   0      0        0        0        0
September 25, 2019............   0      0        0        0        0
September 25, 2020............   0      0        0        0        0
September 25, 2021............   0      0        0        0        0
September 25, 2022............   0      0        0        0        0
September 25, 2023............   0      0        0        0        0
September 25, 2024............   0      0        0        0        0
September 25, 2025............   0      0        0        0        0
September 25, 2026............   0      0        0        0        0
Weighted Average
  Life in Years** ............ 7.4    3.9      2.2      2.1      1.6
</TABLE>
 
- ------------
 
 * Indicates a number that is greater than zero but less than 0.5%.
 
** The  weighted average life of a  Certificate is determined by (i) multiplying
   the net reduction, if any, of the Certificate Principal Balance by the number
   of years  from  the  date of  issuance  of  the Certificate  to  the  related
   Distribution Date, (ii) adding the results, and (iii) dividing the sum by the
   aggregate  of  the  net  reductions  of  the  Certificate  Principal  Balance
   described in (i) above.
 
THIS TABLE HAS  BEEN PREPARED BASED  ON THE ASSUMPTIONS  DESCRIBED IN THE  THIRD
PARAGRAPH   PRECEDING  THIS  TABLE  (INCLUDING  THE  ASSUMPTIONS  REGARDING  THE
CHARACTERISTICS AND  PERFORMANCE OF  THE MORTGAGE  LOANS WHICH  DIFFER FROM  THE
ACTUAL   CHARACTERISTICS  AND  PERFORMANCE  THEREOF)   AND  SHOULD  BE  READ  IN
CONJUNCTION THEREWITH.
 
(Table continued on next page.)
 
                                      S-51
 <PAGE>
<PAGE>
 PERCENT OF INITIAL CERTIFICATE PRINCIPAL BALANCE OUTSTANDING AT THE FOLLOWING
                               PERCENTAGES OF SPA
<TABLE>
<CAPTION>
                                             CLASS A-5 AND A-6                                CLASS A-7
                                  ----------------------------------------     ----------------------------------------
DISTRIBUTION DATE                  0%      150%     250%     350%     500%      0%      150%     250%     350%     500%
- -----------------                 ----     ----     ----     ----     ----     ----     ----     ----     ----     ----
<S>                               <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
Initial Percentage............     100     100      100      100      100       100     100      100      100      100
September 25, 1997............     100     100       96       75       43       100     100      100      100      100
September 25, 1998............     100     100       92       26        0       100     100      100      100      100
September 25, 1999............     100     100       91        0        0       100     100      100      100      100
September 25, 2000............     100     100       91        0        0       100     100      100      100      100
September 25, 2001............     100     100       91        0        0       100     100      100      100      100
September 25, 2002............     100     100       91        0        0        99      96       94       92       89
September 25, 2003............     100     100       91        0        0        97      91       87       83       67
September 25, 2004............     100     100       91        0        0        96      85       78       71       49
September 25, 2005............     100     100       91        0        0        94      77       67       58       34
September 25, 2006............     100     100       91        0        0        93      69       56       45       24
September 25, 2007............     100     100       91        0        0        91      62       47       35       16
September 25, 2008............     100     100       91        0        0        89      55       39       27       11
September 25, 2009............     100     100       91        0        0        87      49       32       21        8
September 25, 2010............     100     100       83        0        0        84      43       27       16        5
September 25, 2011............     100     100       68        0        0        82      38       22       12        3
September 25, 2012............     100     100       56        0        0        79      33       18        9        2
September 25, 2013............     100     100       46        0        0        75      29       15        7        2
September 25, 2014............     100     100       37        0        0        72      25       12        5        1
September 25, 2015............     100     100       30        0        0        68      22       10        4        1
September 25, 2016............     100      99       24        0        0        64      19        8        3        *
September 25, 2017............     100      84       19        0        0        60      16        6        2        *
September 25, 2018............     100      70       15        0        0        55      13        5        2        *
September 25, 2019............     100      58       11        0        0        50      11        4        1        *
September 25, 2020............     100      47        9        0        0        44       9        3        1        *
September 25, 2021............     100      36        6        0        0        38       7        2        1        *
September 25, 2022............     100      27        4        0        0        31       5        1        *        *
September 25, 2023............     100      19        3        0        0        24       4        1        *        *
September 25, 2024............     100      11        2        0        0        16       2        1        *        *
September 25, 2025............      70       5        1        0        0         7       1        *        *        *
September 25, 2026............       0       0        0        0        0         0       0        0        0        0
Weighted Average
  Life in Years** ............    29.3     24.1     16.5     1.5      0.9      21.5     14.1     11.8     10.5     8.7
 
<CAPTION>
                                             CLASS A-8
                              ---------------------------------------
DISTRIBUTION DATE              0%     150%     250%     350%     500%
- -----------------             ----    ----     ----     ----     ----
<S>                                   <C>      <C>      <C>      <C>
Initial Percentage............ 100    100      100      100      100
September 25, 1997............ 100    100      100      100      100
September 25, 1998............ 100    100      100      100      100
September 25, 1999............ 100    100      100      100      100
September 25, 2000............ 100    100      100      100      100
September 25, 2001............ 100    100      100      100      100
September 25, 2002............  99     96       94       92       89
September 25, 2003............  97     91       87       83       76
September 25, 2004............  96     85       78       71       61
September 25, 2005............  94     77       67       58       45
September 25, 2006............  93     69       56       45       31
September 25, 2007............  91     62       47       35       21
September 25, 2008............  89     55       39       27       14
September 25, 2009............  87     49       32       21       10
September 25, 2010............  84     43       27       16        7
September 25, 2011............  82     38       22       12        5
September 25, 2012............  79     33       18        9        3
September 25, 2013............  75     29       15        7        2
September 25, 2014............  72     25       12        5        1
September 25, 2015............  68     22       10        4        1
September 25, 2016............  64     19        8        3        1
September 25, 2017............  60     16        6        2        *
September 25, 2018............  55     13        5        2        *
September 25, 2019............  50     11        4        1        *
September 25, 2020............  44      9        3        1        *
September 25, 2021............  38      7        2        1        *
September 25, 2022............  31      5        1        *        *
September 25, 2023............  24      4        1        *        *
September 25, 2024............  16      2        1        *        *
September 25, 2025............   7      1        *        *        *
September 25, 2026............   0      0        0        0        0
Weighted Average
  Life in Years** ............21.5    14.1     11.8     10.5     9.2
</TABLE>
 
- ------------
 
 * Indicates a number that is greater than zero but less than 0.5%.
 
** The weighted average life of a  Certificate is determined by (i)  multiplying
   the net reduction, if any, of the Certificate Principal Balance by the number
   of  years  from  the date  of  issuance  of the  Certificate  to  the related
   Distribution Date, (ii) adding the results, and (iii) dividing the sum by the
   aggregate  of  the  net  reductions  of  the  Certificate  Principal  Balance
   described in (i) above.
 
THIS  TABLE HAS BEEN  PREPARED BASED ON  THE ASSUMPTIONS DESCRIBED  IN THE THIRD
PARAGRAPH  PRECEDING  THIS  TABLE  (INCLUDING  THE  ASSUMPTIONS  REGARDING   THE
CHARACTERISTICS  AND PERFORMANCE  OF THE  MORTGAGE LOANS  WHICH DIFFER  FROM THE
ACTUAL  CHARACTERISTICS  AND  PERFORMANCE  THEREOF)   AND  SHOULD  BE  READ   IN
CONJUNCTION THEREWITH.
 
(Table continued from previous page and continued on next page.)
 
                                      S-52
 <PAGE>
<PAGE>
 PERCENT OF INITIAL CERTIFICATE PRINCIPAL BALANCE OUTSTANDING AT THE FOLLOWING
                               PERCENTAGES OF SPA
<TABLE>
<CAPTION>
                                                 CLASS A-9                                    CLASS A-10
                                  ----------------------------------------     ----------------------------------------
DISTRIBUTION DATE                  0%      150%     250%     350%     500%      0%      150%     250%     350%     500%
- -----------------                 ----     ----     ----     ----     ----     ----     ----     ----     ----     ----
<S>                               <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
Initial Percentage............     100     100      100      100      100       100     100      100      100      100
September 25, 1997............      97      87       81       74       64       100     100      100      100      100
September 25, 1998............      94      61       40       20        0       100     100      100      100       95
September 25, 1999............      91      28        0        0        0       100     100       95       77       51
September 25, 2000............      87       0        0        0        0       100      99       73       48       18
September 25, 2001............      84       0        0        0        0       100      85       53       21        0
September 25, 2002............      80       0        0        0        0       100      73       35       18        0
September 25, 2003............      76       0        0        0        0       100      63       21        6        0
September 25, 2004............      72       0        0        0        0       100      53       18        0        0
September 25, 2005............      67       0        0        0        0       100      44       18        0        0
September 25, 2006............      62       0        0        0        0       100      36       13        0        0
September 25, 2007............      57       0        0        0        0       100      29        8        0        0
September 25, 2008............      50       0        0        0        0       100      22        4        0        0
September 25, 2009............      44       0        0        0        0       100      18        *        0        0
September 25, 2010............      37       0        0        0        0       100      18        0        0        0
September 25, 2011............      29       0        0        0        0       100      18        0        0        0
September 25, 2012............      20       0        0        0        0       100      17        0        0        0
September 25, 2013............      11       0        0        0        0       100      13        0        0        0
September 25, 2014............       1       0        0        0        0       100       9        0        0        0
September 25, 2015............       0       0        0        0        0        95       6        0        0        0
September 25, 2016............       0       0        0        0        0        89       3        0        0        0
September 25, 2017............       0       0        0        0        0        82       0        0        0        0
September 25, 2018............       0       0        0        0        0        75       0        0        0        0
September 25, 2019............       0       0        0        0        0        67       0        0        0        0
September 25, 2020............       0       0        0        0        0        58       0        0        0        0
September 25, 2021............       0       0        0        0        0        45       0        0        0        0
September 25, 2022............       0       0        0        0        0        32       0        0        0        0
September 25, 2023............       0       0        0        0        0        18       0        0        0        0
September 25, 2024............       0       0        0        0        0        17       0        0        0        0
September 25, 2025............       0       0        0        0        0         0       0        0        0        0
September 25, 2026............       0       0        0        0        0         0       0        0        0        0
Weighted Average
  Life in Years**.............    11.1     2.3      1.7      1.4      1.2      24.3     9.6      5.9      4.3      3.2
 
<CAPTION>
                                            CLASS A-11
                              ---------------------------------------
DISTRIBUTION DATE              0%     150%     250%     350%     500%
- -----------------             ----    ----     ----     ----     ----
<S>                                   <C>      <C>      <C>      <C>
Initial Percentage............ 100    100      100      100      100
September 25, 1997............ 100    100      100      100      100
September 25, 1998............ 100    100      100      100       94
September 25, 1999............ 100    100       95       75       53
September 25, 2000............ 100     99       71       52       29
September 25, 2001............ 100     83       53       49        0
September 25, 2002............ 100     71       51        2        0
September 25, 2003............ 100     60       49        0        0
September 25, 2004............ 100     53       24        0        0
September 25, 2005............ 100     52        *        0        0
September 25, 2006............ 100     51        0        0        0
September 25, 2007............ 100     50        0        0        0
September 25, 2008............ 100     49        0        0        0
September 25, 2009............ 100     42        0        0        0
September 25, 2010............ 100     25        0        0        0
September 25, 2011............ 100     10        0        0        0
September 25, 2012............ 100      0        0        0        0
September 25, 2013............ 100      0        0        0        0
September 25, 2014............ 100      0        0        0        0
September 25, 2015............  94      0        0        0        0
September 25, 2016............  88      0        0        0        0
September 25, 2017............  80      0        0        0        0
September 25, 2018............  72      0        0        0        0
September 25, 2019............  64      0        0        0        0
September 25, 2020............  54      0        0        0        0
September 25, 2021............  52      0        0        0        0
September 25, 2022............  50      0        0        0        0
September 25, 2023............  45      0        0        0        0
September 25, 2024............   0      0        0        0        0
September 25, 2025............   0      0        0        0        0
September 25, 2026............   0      0        0        0        0
Weighted Average
  Life in Years**.............24.5    10.0     6.0      4.3      3.3
</TABLE>
 
- ------------
 
 * Indicates a number that is greater than zero but less than 0.5%.
 
** The  weighted average life of a  Certificate is determined by (i) multiplying
   the net reduction, if any, of the Certificate Principal Balance by the number
   of years  from  the  date of  issuance  of  the Certificate  to  the  related
   Distribution Date, (ii) adding the results, and (iii) dividing the sum by the
   aggregate  of  the  net  reductions  of  the  Certificate  Principal  Balance
   described in (i) above.
 
THIS TABLE HAS  BEEN PREPARED BASED  ON THE ASSUMPTIONS  DESCRIBED IN THE  THIRD
PARAGRAPH   PRECEDING  THIS  TABLE  (INCLUDING  THE  ASSUMPTIONS  REGARDING  THE
CHARACTERISTICS AND  PERFORMANCE OF  THE MORTGAGE  LOANS WHICH  DIFFER FROM  THE
ACTUAL   CHARACTERISTICS  AND  PERFORMANCE  THEREOF)   AND  SHOULD  BE  READ  IN
CONJUNCTION THEREWITH.
 
(Table continued from previous page and continued on next page.)
 
                                      S-53
 <PAGE>
<PAGE>
 PERCENT OF INITIAL CERTIFICATE PRINCIPAL BALANCE OUTSTANDING AT THE FOLLOWING
                               PERCENTAGES OF SPA
<TABLE>
<CAPTION>
                                                 CLASS A-12                                   CLASS A-13
                                  ----------------------------------------     ----------------------------------------
DISTRIBUTION DATE                  0%      150%     250%     350%     500%      0%      150%     250%     350%     500%
- -----------------                 ----     ----     ----     ----     ----     ----     ----     ----     ----     ----
<S>                               <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>      <C>
Initial Percentage............     100     100      100      100      100       100     100      100      100      100
September 25, 1997............     100     100      100      100      100        99      95       93       90       87
September 25, 1998............     100     100      100      100      100        98      87       81       74       65
September 25, 1999............     100     100      100      100      100        97      79       68       58       45
September 25, 2000............     100     100      100      100      100        96      71       57       45       31
September 25, 2001............     100     100      100      100       98        95      64       48       35       21
September 25, 2002............     100     100      100      100        9        93      57       40       27       15
September 25, 2003............     100     100      100      100        0        92      51       34       21       10
September 25, 2004............     100     100      100       88        0        90      46       28       17        7
September 25, 2005............     100     100      100       60        0        89      41       23       13        5
September 25, 2006............     100     100      100       47        0        87      36       19       10        3
September 25, 2007............     100     100      100       36        0        85      32       16        8        2
September 25, 2008............     100     100      100       28        0        83      29       13        6        2
September 25, 2009............     100     100      100       22        0        80      25       11        5        1
September 25, 2010............     100     100       85       17        0        78      22        9        3        1
September 25, 2011............     100     100       70       13        0        75      20        7        3        *
September 25, 2012............     100     100       57       10        0        72      17        6        2        *
September 25, 2013............     100     100       47        7        0        69      15        5        2        *
September 25, 2014............     100     100       38        6        0        66      13        4        1        *
September 25, 2015............     100     100       31        4        0        62      11        3        1        *
September 25, 2016............     100     100       24        3        0        58       9        3        1        *
September 25, 2017............     100      98       19        2        0        54       8        2        *        *
September 25, 2018............     100      82       15        2        0        49       7        2        *        *
September 25, 2019............     100      68       12        1        0        44       5        1        *        *
September 25, 2020............     100      55        9        1        0        39       4        1        *        *
September 25, 2021............     100      43        6        1        0        33       3        1        *        *
September 25, 2022............     100      32        4        *        0        26       2        *        *        *
September 25, 2023............     100      22        3        *        0        20       2        *        *        *
September 25, 2024............     100      13        2        *        0        12       1        *        *        *
September 25, 2025............      90       5        1        *        0         4       *        *        *        *
September 25, 2026............       0       0        0        0        0         0       0        0        0        0
Weighted Average
  Life in Years**.............    29.4     24.7     17.7     11.0     5.6      20.0     9.1      6.3      4.8      3.5
 
<CAPTION>
                                     CLASSES M-1, M-2 AND M-3
                              ---------------------------------------
DISTRIBUTION DATE              0%     150%     250%     350%     500%
- -----------------             ----    ----     ----     ----     ----
<S>                                   <C>      <C>      <C>      <C>
Initial Percentage............ 100    100      100      100      100
September 25, 1997............  99     99       99       99       99
September 25, 1998............  98     98       98       98       98
September 25, 1999............  98     98       98       98       98
September 25, 2000............  97     97       97       97       97
September 25, 2001............  95     95       95       95       95
September 25, 2002............  94     92       90       88       85
September 25, 2003............  93     87       83       79       73
September 25, 2004............  92     81       74       68       58
September 25, 2005............  90     74       64       55       43
September 25, 2006............  88     66       54       43       29
September 25, 2007............  87     59       45       33       20
September 25, 2008............  85     52       37       26       14
September 25, 2009............  83     47       31       20        9
September 25, 2010............  80     41       25       15        6
September 25, 2011............  78     36       21       12        4
September 25, 2012............  75     32       17        9        3
September 25, 2013............  72     28       14        7        2
September 25, 2014............  69     24       11        5        1
September 25, 2015............  65     21        9        4        1
September 25, 2016............  61     18        7        3        1
September 25, 2017............  57     15        6        2        *
September 25, 2018............  53     13        5        1        *
September 25, 2019............  48     10        3        1        *
September 25, 2020............  42      8        3        1        *
September 25, 2021............  36      7        2        1        *
September 25, 2022............  30      5        1        *        *
September 25, 2023............  23      3        1        *        *
September 25, 2024............  15      2        *        *        *
September 25, 2025............   7      1        *        *        *
September 25, 2026............   0      0        0        0        0
Weighted Average
  Life in Years**.............20.6    13.6     11.4     10.1     8.9
</TABLE>
 
- ------------
 
 * Indicates a number that is greater than zero but less than 0.5%.
 
** The weighted average life of a  Certificate is determined by (i)  multiplying
   the net reduction, if any, of the Certificate Principal Balance by the number
   of  years  from  the date  of  issuance  of the  Certificate  to  the related
   Distribution Date, (ii) adding the results, and (iii) dividing the sum by the
   aggregate  of  the  net  reductions  of  the  Certificate  Principal  Balance
   described in (i) above.
 
THIS  TABLE HAS BEEN  PREPARED BASED ON  THE ASSUMPTIONS DESCRIBED  IN THE THIRD
PARAGRAPH  PRECEDING  THIS  TABLE  (INCLUDING  THE  ASSUMPTIONS  REGARDING   THE
CHARACTERISTICS  AND PERFORMANCE  OF THE  MORTGAGE LOANS  WHICH DIFFER  FROM THE
ACTUAL  CHARACTERISTICS  AND  PERFORMANCE  THEREOF)   AND  SHOULD  BE  READ   IN
CONJUNCTION THEREWITH.
 
(Table continued from previous page.)
 
                                      S-54



<PAGE>
<PAGE>
COMPANION CERTIFICATE YIELD CONSIDERATIONS
 
     The  yield to investors on the  Companion Certificates will be sensitive to
fluctuations in  the level  of LIBOR.  THE PASS-THROUGH  RATE ON  THE CLASS  A-5
CERTIFICATES  WILL VARY WITH  LIBOR AND THE  PASS-THROUGH RATE ON  THE CLASS A-6
CERTIFICATES  WILL  VARY  INVERSELY  WITH  AND  AT  A  MULTIPLE  OF  LIBOR.  The
Pass-Through  Rates on  the Companion  Certificates are  subject to  maximum and
minimum Pass-Through  Rates, and  are therefore  subject to  limitation  despite
changes in LIBOR in certain circumstances. Changes in the level of LIBOR may not
correlate with changes in prevailing mortgage interest rates or changes in other
indices.  It is  possible that lower  prevailing mortgage  interest rates, which
might be expected to result in faster prepayments, could occur concurrently with
an increased level of LIBOR. Investors in the Companion Certificates should also
fully consider the effect on the yields  on such Certificates of changes in  the
level of LIBOR.
 
     To  illustrate  the  significance of  changes  in  the level  of  LIBOR and
prepayments  on  the  yield  to  maturity  on  the  Companion  Inverse   Floater
Certificates,  the following table  indicates the approximate  pre-tax yields to
maturity (on a  corporate bond  equivalent basis) under  the different  constant
percentages  of SPA and varying  levels of LIBOR indicated.  Because the rate of
distribution of principal  on the  Certificates will  be related  to the  actual
amortization  (including prepayments) of the  Mortgage Loans, which will include
Mortgage Loans that  have remaining  terms to  maturity shorter  or longer  than
assumed  and Mortgage Rates higher or lower  than assumed, the pre-tax yields to
maturity on the Companion Inverse Floater Certificates are likely to differ from
those shown in the following  tables, even if all  the Mortgage Loans prepay  at
constant  percentages of  SPA and  the level of  LIBOR and  the weighted average
remaining term to maturity of the Mortgage Loans are as assumed. Any differences
between such assumptions and the  actual characteristics and performance of  the
Mortgage Loans and of the Certificates may result in yields being different from
those   shown  in  such   tables.  Discrepancies  between   assumed  and  actual
characteristics and  performance  underscore  the  hypothetical  nature  of  the
tables,  which are provided only  to give a general  sense of the sensitivity of
yields in  varying  prepayment  scenarios  and different  levels  of  LIBOR.  In
addition,  it  is highly  unlikely  that the  Mortgage  Loans will  prepay  at a
constant level of SPA until maturity, that all of the Mortgage Loans will prepay
at the same rate, or that the level of LIBOR will remain constant. The timing of
changes in the rate of prepayments may significantly affect the actual yield  to
maturity  to an investor, even  if the average rate  of principal prepayments is
consistent with an investor's expectation.  In general, the earlier the  payment
of  principal of  the Mortgage  Loans, the greater  the effect  on an investor's
yield to maturity. As a result, the  effect on an investor's yield of  principal
prepayments  occurring at a rate higher (or  lower) than the rate anticipated by
the investor  during  the  period  immediately following  the  issuance  of  the
Certificates  will  not be  equally offset  by a  subsequent like  reduction (or
increase) in the rate of principal prepayments.
 
     The  table  set  forth  below  is  based  on  the  Structuring  Assumptions
(including  the assumptions regarding the characteristics and performance of the
Mortgage Loans  and  of the  Certificates,  which  may differ  from  the  actual
characteristics  and performance thereof), and assuming further that (i) on each
LIBOR Rate Adjustment Date, LIBOR will be at the level shown, (ii) the aggregate
purchase price  of the  Companion Inverse  Floater Certificates  is  $2,980,085,
including  accrued  interest, and  (iii) the  initial  Pass-Through Rate  on the
Companion Inverse Floater Certificates  is 13.4075% per annum.  There can be  no
assurance  that the Mortgage  Loans will have  the assumed characteristics, will
prepay at any of the rates shown in the tables or at any other particular  rate,
that the pre-tax yield to maturity on the Companion Inverse Floater Certificates
will  correspond to any of the pre-tax yields to maturity shown herein, that the
level of LIBOR  will correspond to  the levels shown  in the table  or that  the
aggregate  purchase price of the Companion  Inverse Floater Certificates will be
as assumed. In addition to any other factors an investor may deem material, each
investor must make its own decision as to the appropriate prepayment  assumption
to be used and the appropriate levels of LIBOR to be assumed in deciding whether
or not to purchase an Companion Inverse Floater Certificate.
 
                                      S-55
 
<PAGE>
<PAGE>
                SENSITIVITY OF PRE-TAX YIELD TO MATURITY OF THE
        COMPANION INVERSE FLOATER CERTIFICATES TO PREPAYMENTS AND LIBOR
 
<TABLE>
<CAPTION>
                                   PERCENTAGE OF SPA
                   --------------------------------------------------
     LIBOR           0%        150%       250%       350%       500%
     -----         ------     ------     ------     ------     ------
 
<S>                <C>        <C>        <C>        <C>        <C>
    3.4375%        39.23%     39.24%     40.42%     63.22%     84.43%
    4.4375%        29.48%     29.50%     30.56%     54.15%     75.22%
    5.4375%        19.97%     20.04%     21.01%     45.32%     66.23%
    6.4375%        10.83%     11.02%     11.94%     36.74%     57.46%
    7.4375%         2.52%      2.80%      3.60%     28.39%     48.90%
7.6% and above      1.28%      1.55%      2.33%     27.06%     47.52%
</TABLE>
 
- ------------
 
*  Indicates  that  investors  will suffer  a  loss  of virtually  all  of their
   investments.
 
                            ------------------------
     Each pre-tax  yield  to maturity  set  forth  in the  preceding  table  was
calculated  by determining the monthly discount  rate which, when applied to the
assumed stream  of  cash flows  to  be paid  on  the Companion  Inverse  Floater
Certificates, would cause the discounted present value of such assumed stream of
cash  flows to equal  the assumed purchase price  for such Certificates. Accrued
interest is included in the assumed purchase price and is used in computing  the
corporate  bond equivalent yields  shown. These yields do  not take into account
the different interest rates  at which investors may  be able to reinvest  funds
received by them as distributions on the Companion Inverse Floater Certificates,
and  thus do not reflect  the return on any  investment in the Companion Inverse
Floater Certificates when any reinvestment  rates other than the discount  rates
are considered.
 
     Notwithstanding  the assumed  prepayment rates  reflected in  the preceding
table, it is highly unlikely that  the Mortgage Loans will be prepaid  according
to one particular pattern. For this reason, and because the timing of cash flows
is  critical  to  determining  yields,  the pre-tax  yield  to  maturity  on the
Companion Inverse Floater Certificates is likely  to differ from those shown  in
the  table, even if all  of the Mortgage Loans  prepay at the indicated constant
percentages of SPA over  any given time  period or over the  entire life of  the
Certificates.
 
     There  can  be no  assurance that  the  Mortgage Loans  will prepay  at any
particular rate or that the yield on the Companion Inverse Floater  Certificates
will  conform to  the yields described  herein. Moreover,  the various remaining
terms to maturity of the Mortgage Loans could produce slower or faster principal
distributions than  indicated in  the preceding  table at  the various  constant
percentages  of SPA  specified, even if  the weighted average  remaining term to
maturity of the Mortgage Loans is as assumed. Investors are urged to make  their
investment  decisions based on  their determinations as  to anticipated rates of
prepayment under  a variety  of scenarios.  Investors in  the Companion  Inverse
Floater  Certificates  should  fully consider  the  risk  that a  rapid  rate of
prepayments on the Mortgage Loans could result in the failure of such  investors
to fully recover their investments.
 
     For  additional considerations relating  to the yield  on the Certificates,
see 'Yield Considerations' and 'Maturity  and Prepayment Considerations' in  the
Prospectus.
 
PRINCIPAL ONLY CERTIFICATE YIELD CONSIDERATIONS
 
     The  amounts payable with respect to the Principal Only Certificates derive
only from principal payments  on the Discount Mortgage  Loans. As a result,  the
yield  on the Principal  Only Certificates will be  adversely affected by slower
than  expected   payments  of   principal  (including   prepayments,   defaults,
liquidations and purchases of Mortgage Loans due to a breach of a representation
and warranty) on the Discount Mortgage Loans.
 
     The  following  table indicates  the sensitivity  of  the pre-tax  yield to
maturity on  the  Principal  Only  Certificates to  various  constant  rates  of
prepayment on the Mortgage Loans by projecting the monthly aggregate payments on
the  Principal Only Certificates and  computing the corresponding pre-tax yields
to maturity on  a corporate  bond equivalent  basis, based  on the  'Structuring
Assumptions',  including  the  assumptions  regarding  the  characteristics  and
performance of the Mortgage Loans  which differ from the actual  characteristics
and  performance thereof  and assuming  the aggregate  purchase price  set forth
below. Any differences between such  assumptions and the actual  characteristics
and  performance of  the Mortgage  Loans and of  the Certificates  may result in
yields being different  from those  shown in such  table. Discrepancies  between
assumed and actual
 
                                      S-56
 
<PAGE>
<PAGE>
characteristics and performance underscore the hypothetical nature of the table,
which  is provided only to give a general  sense of the sensitivity of yields in
varying prepayment scenarios.
 
                PRE-TAX YIELD TO MATURITY OF THE PRINCIPAL ONLY
                CERTIFICATES AT THE FOLLOWING PERCENTAGES OF SPA
 
<TABLE>
<CAPTION>
                    ASSUMED PURCHASE PRICE                         0%     150%    250%     350%     500%
                    ----------------------                        ----    ----    -----    -----    -----
 
<S>                                                               <C>     <C>     <C>      <C>      <C>
$777,726.......................................................   2.77%   7.01%   10.37%   13.73%   18.63%
</TABLE>
 
     Each pre-tax  yield  to maturity  set  forth  in the  preceding  table  was
calculated  by determining the monthly discount  rate which, when applied to the
assumed stream of cash flows to be paid on the Principal Only Certificates would
cause the discounted present value of such assumed stream of cash flows to equal
the assumed purchase price listed  in the table. These  yields do not take  into
account  the different interest rates at which investors may be able to reinvest
funds received by them as distributions  on the Principal Only Certificates  and
thus  do  not  reflect  the  return on  any  investment  in  the  Principal Only
Certificates when any reinvestment rates other than the discount rates set forth
in the preceding table are considered.
 
     Notwithstanding the  assumed prepayment  rates reflected  in the  preceding
table,  it is highly unlikely that the  Mortgage Loans will be prepaid according
to one particular pattern. For this reason, and because the timing of cash flows
is critical  to  determining  yields,  the pre-tax  yield  to  maturity  on  the
Principal  Only Certificates is likely to differ  from those shown in the table,
even if the  average prepayment rate  on all  of the Mortgage  Loans equals  the
constant  percentages of SPA  indicated in the  table above over  any given time
period or over  the entire life  of the Certificates.  A lower than  anticipated
rate  of  principal  prepayments on  the  Discount  Mortgage Loans  will  have a
material adverse  effect  on  the  yield  to  maturity  of  the  Principal  Only
Certificates.  The  rate and  timing of  principal  prepayments on  the Discount
Mortgage Loans may differ from the  rate and timing of principal prepayments  on
the  Mortgage Pool.  In addition, because  the Discount Mortgage  Loans have Net
Mortgage Rates that are  lower than the Net  Mortgage Rates of the  Non-Discount
Mortgage  Loans, and  because Mortgage Loans  with lower Net  Mortgage Rates are
likely to have lower Mortgage Rates,  the Discount Mortgage Loans are  generally
likely  to prepay under most circumstances at a lower rate than the Non-Discount
Mortgage Loans.
 
     There can  be no  assurance that  the  Mortgage Loans  will prepay  at  any
particular  rate  or that  the  yield on  the  Principal Only  Certificates will
conform to the yields described herein. Moreover, the various remaining terms to
maturity of  the  Mortgage  Loans  could  produce  slower  or  faster  principal
distributions  than indicated  in the  preceding table  at the  various constant
percentages of SPA  specified, even if  the weighted average  remaining term  to
maturity  of the Mortgage Loans is as assumed. Investors are urged to make their
investment decisions based on  their determinations as  to anticipated rates  of
prepayment under a variety of scenarios.
 
     For  additional considerations relating  to the yield  on the Certificates,
see 'Yield Considerations' and 'Maturity  and Prepayment Considerations' in  the
Prospectus.
 
CLASS M-2 AND CLASS M-3 CERTIFICATE YIELD CONSIDERATIONS
 
     If  the Certificate Principal Balance of  the Class B Certificates has been
reduced to zero, the yield to maturity on the Class M-3 Certificates will become
extremely sensitive to  losses on the  Mortgage Loans (and  the timing  thereof)
that are covered by Subordination, because the entire amount of such losses will
be  allocated to the  Class M-3 Certificates.  The aggregate initial Certificate
Principal Balance of the Class B Certificates is equal to approximately 1.10% of
the aggregate principal balance of the Mortgage Loans as of the Cut-off Date. If
the Certificate Principal  Balances of the  Class B Certificates  and Class  M-3
Certificates  have been reduced to zero, the  yield to maturity on the Class M-2
Certificates will become  extremely sensitive  to losses on  the Mortgage  Loans
(and  the timing thereof) that are  covered by Subordination, because the entire
amount of  such losses  will be  allocated to  the Class  M-2 Certificates.  The
aggregate  initial Certificate Principal  Balance of the  Class M-3 Certificates
and Class  B Certificates  is  equal to  approximately  2.25% of  the  aggregate
principal balance of the Mortgage Loans as of the Cut-off Date.
 
     Defaults  on mortgage loans may be  measured relative to a default standard
or model. The  model used in  this Prospectus Supplement,  the standard  default
assumption ('SDA'), represents an assumed rate of default each month relative to
the  then outstanding  performing principal  balance of  a pool  of new mortgage
loans. A
 
                                      S-57
 
<PAGE>
<PAGE>
default assumption of 100% SDA assumes constant default rates of 0.02% per annum
of the then outstanding  principal balance of such  mortgage loans in the  first
month  of the life  of the mortgage loans  and an additional  0.02% per annum in
each month thereafter until the 30th month.  Beginning in the 30th month and  in
each  month thereafter through the 60th month of the life of the mortgage loans,
100% SDA  assumes  a  constant default  rate  of  0.60% per  annum  each  month.
Beginning in the 61st month and in each month thereafter through the 120th month
of  the life of the  mortgage loans, 100% SDA  assumes that the constant default
rate declines each  month by 0.0095%  per annum, and  that the constant  default
rate  remains at 0.03%  per annum in each  month after the  120th month. For the
purposes of the tables below, it is  assumed that there is no delay between  the
default  and liquidation of the mortgage loans.  As used in the table below, '0%
SDA' assumes default rates  equal to 0% of  SDA (no defaults).  Correspondingly,
'100%  SDA' assumes default rates  equal to 100% of SDA,  and so forth. SDA does
not purport to be a historical description of default experience or a prediction
of the anticipated rate of default of any pool of mortgage loans, including  the
Mortgage Loans.
 
     The  following tables indicate the sensitivity  of the yield to maturity on
the Class  M-2 Certificates  and  Class M-3  Certificates  to various  rates  of
prepayment  and varying  levels of aggregate  Realized Losses  by projecting the
monthly aggregate  cash  flows on  the  Class  M-2 Certificates  and  Class  M-3
Certificates  and computing  the corresponding  pre-tax yield  to maturity  on a
corporate bond  equivalent  basis.  The  tables are  based  on  the  Structuring
Assumptions  described in clauses (i) through (iii)  and (v) through (ix) in the
third paragraph preceding  the table  entitled 'Percent  of Initial  Certificate
Principal  Balance Outstanding  at the Following  Percentages of  SPA' under the
heading  'Certain  Yield  and  Prepayment  Considerations  --  General'  herein,
including  the assumptions regarding the  characteristics and performance of the
Mortgage Loans  (except  for assumption  (iv)),  which differ  from  the  actual
characteristics  and performance thereof, and assuming further that (i) defaults
and final liquidations on the Mortgage Loans occur on the last day of each month
at the respective  SDA percentages  set forth in  the tables,  and defaults  and
final  liquidations  occur  on  the  Discount  Mortgage  Loans  and Non-Discount
Mortgage Loans  in proportion  to their  respective aggregate  Stated  Principal
Balances,  (ii)  each  liquidation  results  in  a  Realized  Loss  allocable to
principal equal to  the percentage  indicated (the  'Loss Severity  Percentage')
times  the principal  balances of the  Mortgage Loans assumed  to be liquidated,
(iii) there are no delinquencies on  the Mortgage Loans, and principal  payments
on  the  Mortgage  Loans (other  than  those  on Mortgage  Loans  assumed  to be
liquidated) will be timely  received together with prepayments,  if any, at  the
respective  constant percentages  of SPA  set forth  in the  table before giving
effect to defaults  in such  periods, (iv) there  are no  Excess Special  Hazard
Losses,  Excess Fraud Losses, Excess  Bankruptcy Losses or Extraordinary Losses,
(v) the assumptions  made in clauses  (a)(i), (b)(i) and  (b)(ii) in the  eighth
paragraph  of the section entitled 'Description of the Certificates -- Principal
Distributions on  the  Senior Certificates'  are  not applicable  and  (vi)  the
purchase prices of the Class M-2 Certificates and Class M-3 Certificates will be
$5,371,686  and $4,772,673, respectively,  including accrued interest. Investors
should also consider the possibility that  aggregate losses incurred may not  in
fact  be materially reduced  by higher prepayment  speeds because mortgage loans
that would otherwise ultimately default and be liquidated may be less likely  to
be  prepaid. In addition, investors should be  aware that the following table is
based upon  the  assumption  that  the Class  M-2  Certificates  and  Class  M-3
Certificates  are priced at a discount. Since prepayments will occur at par, the
yield on the Class M-2 Certificates and Class M-3 Certificates may increase  due
to  such  prepayments,  even  if  losses  occur.  Any  differences  between such
assumptions and the actual characteristics and performance of the Mortgage Loans
and of the Certificates may result in yields different from those shown in  such
tables. Discrepancies between assumed and actual characteristics and performance
underscore  the hypothetical  nature of the  tables, which are  provided only to
give a general sense of the sensitivity  of yields in varying Realized Loss  and
prepayment scenarios.
 
                                      S-58
 
<PAGE>
<PAGE>
                SENSITIVITY OF PRE-TAX YIELD TO MATURITY OF THE
               CLASS M-2 CERTIFICATES AND CLASS M-3 CERTIFICATES
                       TO PREPAYMENTS AND REALIZED LOSSES

                             CLASS M-2 CERTIFICATES
 
<TABLE>
<CAPTION>
                                                PERCENTAGE OF SPA
PERCENTAGE     LOSS SEVERITY     ------------------------------------------------
  OF SDA        PERCENTAGE         0%         150%      250%      350%      500%
- ----------     -------------     -------     ------     -----     -----     -----
 
<S>            <C>               <C>         <C>        <C>       <C>       <C>
     0%              N/A           8.41%      8.54%     8.60%     8.65%     8.71%
   100%              30%           8.41%      8.55%     8.61%     8.66%     8.71%
   200%              30%           8.07%      8.57%     8.61%     8.66%     8.72%
   300%              30%          (5.47%)     7.23%     8.62%     8.66%     8.72%
   400%              30%         (23.38%)    (0.88%)    5.37%     8.48%     8.72%
</TABLE>
 
                             CLASS M-3 CERTIFICATES
 
<TABLE>
<CAPTION>
                                                   PERCENTAGE OF SPA
PERCENTAGE     LOSS SEVERITY     -----------------------------------------------------
  OF SDA        PERCENTAGE         0%         150%        250%        350%       500%
- ----------     -------------     -------     -------     -------     -------     -----
 
<S>            <C>               <C>         <C>         <C>         <C>         <C>
     0%              N/A           8.80%       9.02%       9.12%       9.21%     9.31%
   100%              30%           8.43%       9.03%       9.13%       9.21%     9.31%
   200%              30%         (14.11%)      4.48%       6.80%       8.78%     9.31%
   300%              30%         (33.81%)    (24.70%)     (2.27%)      2.12%     6.98%
   400%              30%         (47.87%)    (41.09%)    (35.08%)    (25.06%)    0.16%
</TABLE>
 
     Each  pre-tax  yield to  maturity  set forth  in  the preceding  tables was
calculated by determining the monthly discount  rate which, when applied to  the
assumed  stream of cash flows to be paid  on the Class M-2 Certificates or Class
M-3 Certificates, as  applicable, would  cause the discounted  present value  of
such  assumed stream of cash flows to  equal the assumed purchase price referred
to above, and converting  such rate to a  semi-annual corporate bond  equivalent
yield.  Accrued interest, if any, is included  in the assumed purchase price and
is used in computing the corporate bond equivalent yields shown. These yields do
not take into  account the different  interest rates at  which investors may  be
able  to  reinvest funds  received by  them  as distributions  on the  Class M-2
Certificates or Class M-3  Certificates, and thus do  not reflect the return  on
any  investment in the Class M-2 Certificates or Class M-3 Certificates when any
reinvestment rates other  than the  discount rates  set forth  in the  preceding
tables are considered.
 
     The  following table sets forth the amount of Realized Losses that would be
incurred with respect  to the Certificates  in the aggregate  under each of  the
scenarios  in the  preceding table, expressed  as a percentage  of the aggregate
outstanding principal balance of the Mortgage Loans as of the Cut-off Date:
 
                           AGGREGATE REALIZED LOSSES
 
<TABLE>
<CAPTION>
                                               PERCENTAGE OF SPA
PERCENTAGE     LOSS SEVERITY     ---------------------------------------------
  OF SDA        PERCENTAGE        0%       150%      250%      350%      500%
- ----------     -------------     -----     -----     -----     -----     -----
 
<S>            <C>               <C>       <C>       <C>       <C>       <C>
   100%              30%         1.18%     0.84%     0.69%     0.57%     0.44%
   200%              30%         2.32%     1.65%     1.36%     1.13%     0.88%
   300%              30%         3.41%     2.44%     2.01%     1.68%     1.31%
   400%              30%         4.47%     3.20%     2.64%     2.21%     1.73%
</TABLE>
 
     Notwithstanding the assumed Percentages  of SDA, Loss Severity  Percentages
and  prepayment rates  reflected in the  preceding table, it  is highly unlikely
that the Mortgage Loans will be prepaid or that Realized Losses will be incurred
according to one particular pattern. For this reason, and because the timing  of
cash  flows is critical to determining yields, the pre-tax yields to maturity on
the Class M-2 Certificates and Class M-3 Certificates are likely to differ  from
those  shown in the  tables. There can  be no assurance  that the Mortgage Loans
will prepay at any particular rate or  that Realized Losses will be incurred  at
any  particular level or that  the yield on the  Class M-2 Certificates or Class
M-3 Certificates  will conform  to the  yields described  herein. Moreover,  the
various  remaining terms to maturity of  the Mortgage Loans could produce slower
or faster
 
                                      S-59
 
<PAGE>
<PAGE>
principal distributions than indicated  in the preceding  tables at the  various
constant  percentages of SPA  specified, even if  the weighted average remaining
term to maturity of the Mortgage Loans is as assumed.
 
     Investors are  urged to  make  their investment  decisions based  on  their
determinations as to anticipated rates of prepayment and Realized Losses under a
variety  of scenarios. Investors in the  Class M-2 Certificates and particularly
in the  Class M-3  Certificates should  fully consider  the risk  that  Realized
Losses  on the Mortgage Loans  could result in the  failure of such investors to
fully recover their investments. For  additional considerations relating to  the
yield  on  the  Certificates,  see  'Yield  Considerations'  and  'Maturity  and
Prepayment Considerations' in the Prospectus.
 
ADDITIONAL YIELD CONSIDERATIONS APPLICABLE SOLELY TO THE RESIDUAL CERTIFICATES
 
     The Residual Certificateholders' after-tax rate of return on their Residual
Certificates will reflect  their pre-tax rate  of return, reduced  by the  taxes
required  to  be paid  with  respect to  the  Residual Certificates.  Holders of
Residual Certificates may have  tax liabilities with  respect to their  Residual
Certificates  during the early years of the Trust Fund's term that substantially
exceed any distributions payable  thereon during any  such period. In  addition,
holders  of Residual Certificates may have tax liabilities with respect to their
Residual Certificates  the  present value  of  which substantially  exceeds  the
present  value of distributions payable thereon and of any tax benefits that may
arise with respect  thereto. Accordingly, the  after-tax rate of  return on  the
Residual  Certificates  may  be  negative  or  may  otherwise  be  significantly
adversely affected. The timing and amount of taxable income attributable to  the
Residual Certificates will depend on, among other things, the timing and amounts
of prepayments and losses experienced with respect to the Mortgage Pool.
 
     The Residual Certificateholders should consult their tax advisors as to the
effect  of  taxes  and the  receipt  of any  payments  made to  such  holders in
connection with the purchase of the Residual Certificates on after-tax rates  of
return   on  the  Residual   Certificates.  See  'Certain   Federal  Income  Tax
Consequences' herein and in the Prospectus.
 
                        POOLING AND SERVICING AGREEMENT
 
GENERAL
 
     The Certificates  will  be  issued  pursuant to  a  Pooling  and  Servicing
Agreement dated as of September 1, 1996, among the Company, the Master Servicer,
and  Bankers Trust Company, as Trustee. Reference  is made to the Prospectus for
important information in addition to that  set forth herein regarding the  terms
and   conditions  of  the  Pooling  and  Servicing  Agreement  and  the  Offered
Certificates.  The  Trustee  will  appoint  Norwest  Bank  Minnesota,   National
Association  to  serve as  Custodian in  connection  with the  Certificates. The
Offered Certificates  will be  transferable and  exchangeable at  the  corporate
trust  office  of the  Trustee, which  will serve  as Certificate  Registrar and
Paying Agent. The Company will provide a prospective or actual Certificateholder
without charge, on written request, a copy (without exhibits) of the Pooling and
Servicing Agreement. Requests should be addressed to the President,  Residential
Funding  Mortgage Securities I, Inc., 8400 Normandale Lake Boulevard, Suite 700,
Minneapolis, Minnesota 55437. Pursuant to  the Pooling and Servicing  Agreement,
transfers  of  Residual Certificates  are  prohibited to  any  non-United States
person. Transfers  of  certain  of  the  Certificates,  including  the  Residual
Certificates,  are also subject to additional transfer restrictions as set forth
in the  Pooling  and  Servicing  Agreement.  See  'Certain  Federal  Income  Tax
Consequences' herein and 'Certain Federal Income Tax Consequences  -- REMICs  --
Tax on  Transfers of REMIC  Residual Certificates to Certain  Organizations' and
'  --   Taxation  of  Owners  of  REMIC   Residual Certificates  --  Noneconomic
REMIC Residual Certificates' in the Prospectus. In addition to the circumstances
described  in the  Prospectus, the  Company may  terminate the Trustee for cause
under  certain  circumstances. See  'The Pooling  and Servicing Agreement -- The
Trustee' in the Prospectus.
 
THE MASTER SERVICER
 
     Residential Funding, an indirect  wholly-owned subsidiary of GMAC  Mortgage
and  an  affiliate  of  the  Company,  will  act  as  master  servicer  for  the
Certificates pursuant  to the  Pooling and  Servicing Agreement.  For a  general
description  of Residential Funding and its activities, see 'Residential Funding
Corporation' in the Prospectus.
 
                                      S-60
 
<PAGE>
<PAGE>
     The  following  tables  set   forth  certain  information  concerning   the
delinquency  experience (including pending foreclosures)  on one- to four-family
residential mortgage loans  that generally complied  with Residential  Funding's
published  loan purchase criteria at the time of purchase by Residential Funding
and were being  master serviced  by Residential  Funding on  December 31,  1994,
December  31, 1995 and June  30, 1996. The tables  set forth information for the
total mortgage  loan  portfolio and  for  mortgage loans  underwritten  under  a
reduced    loan   documentation   program   described   under   'Mortgage   Loan
Program -- Underwriting Standards' in  the Prospectus. The indicated periods  of
delinquency  are based on the number of days past due on a contractual basis. No
mortgage loan is considered delinquent for these purposes until, in general,  it
is one month past due on a contractual basis.
 
                  TOTAL LOAN PORTFOLIO DELINQUENCY EXPERIENCE
 
<TABLE>
<CAPTION>
                                       AT DECEMBER 31, 1994      AT DECEMBER 31, 1995        AT JUNE 30, 1996
                                       ---------------------    ----------------------    ----------------------
                                       BY NO.     BY DOLLAR     BY NO.      BY DOLLAR     BY NO.      BY DOLLAR
                                         OF       AMOUNT OF       OF        AMOUNT OF       OF        AMOUNT OF
                                       LOANS        LOANS        LOANS        LOANS        LOANS        LOANS
                                       ------    -----------    -------    -----------    -------    -----------
                                                             (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                    <C>       <C>            <C>        <C>            <C>        <C>
Total Loan Portfolio................   90,308    $23,562,318    112,237    $26,941,302    129,970    $30,750,624
Period of Delinquency
     31 to 59 days..................    1,373        343,184      2,805        514,373      2,915        570,560
     60 to 89 days..................      431        100,943        835        118,095        531        112,500
     90 days or more(1).............      357         94,041        383         67,761        292         57,607
Foreclosures Pending................      763        217,244      1,100        279,192      1,188        296,180
                                       ------    -----------    -------    -----------    -------    -----------
Total Delinquent Loans..............    2,924    $   755,412      5,123    $   979,421      4,926    $ 1,036,847
                                       ------    -----------    -------    -----------    -------    -----------
                                       ------    -----------    -------    -----------    -------    -----------
Percent of Loan Portfolio...........    3.238%         3.206%     4.564%         3.635%     3.790%         3.372%
</TABLE>
 
- ------------
 
(1) Does not include foreclosures pending.
 
     TOTAL REDUCED LOAN DOCUMENTATION LOAN PORTFOLIO DELINQUENCY EXPERIENCE
 
<TABLE>
<CAPTION>
                                             AT DECEMBER 31, 1994    AT DECEMBER 31, 1995      AT JUNE 30, 1996
                                             --------------------    --------------------    --------------------
                                             BY NO.    BY DOLLAR     BY NO.    BY DOLLAR     BY NO.    BY DOLLAR
                                               OF      AMOUNT OF       OF      AMOUNT OF       OF      AMOUNT OF
                                             LOANS       LOANS       LOANS       LOANS       LOANS       LOANS
                                             ------    ----------    ------    ----------    ------    ----------
                                                                (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                          <C>       <C>           <C>       <C>           <C>       <C>
Total Reduced Loan Documentation
     Loan Portfolio.......................   23,962    $5,192,295    28,892    $5,656,221    32,519    $6,273,854
Period of Delinquency
     31 to 59 days........................      442       104,501       960       150,607       770       149,605
     60 to 89 days........................      107        29,184       437        37,083       155        36,639
     90 days or more(1)...................      123        34,527       132        21,165        83        19,187
Foreclosures Pending......................      306        94,399       379       101,224       396       110,494
                                             ------    ----------    ------    ----------    ------    ----------
Total Delinquent Loans....................      978    $  262,611     1,908    $  310,079     1,404    $  315,925
                                             ------    ----------    ------    ----------    ------    ----------
                                             ------    ----------    ------    ----------    ------    ----------
Percent of Reduced Loan Documentation Loan
  Portfolio...............................    4.081%        5.058%    6.604%        5.482%    4.317%        5.036%
</TABLE>
 
- ------------
 
(1) Does not include foreclosures pending.
 
                            ------------------------
     The  following tables  set forth certain  information concerning foreclosed
mortgage loans and loan  loss experience of Residential  Funding as of  December
31, 1994, December 31, 1995 and June 30, 1996 with respect to the mortgage loans
referred  to  above. For  purposes of  the  following tables,  Average Portfolio
Balance for the period indicated  is based on end  of month balances divided  by
the  number of  months in  the period indicated,  the Foreclosed  Loans Ratio is
equal to the  aggregate principal  balance of  Foreclosed Loans  divided by  the
Total  Loan Portfolio  at the end  of the  indicated period, and  the Gross Loss
Ratios and Net Loss Ratios are computed
 
                                      S-61
 
<PAGE>
<PAGE>
by dividing the Gross Loss or Net Loss respectively during the period  indicated
by the Average Portfolio Balance during such period.
 
                  TOTAL LOAN PORTFOLIO FORECLOSURE EXPERIENCE
 
<TABLE>
<CAPTION>
                                                                     AT OR FOR        AT OR FOR         AT OR FOR
                                                                      THE YEAR         THE YEAR       THE SIX MONTH
                                                                       ENDED            ENDED         PERIOD ENDED
                                                                    DECEMBER 31,     DECEMBER 31,       JUNE 30,
                                                                        1994             1995             1996
                                                                    ------------     ------------     -------------
                                                                             (DOLLAR AMOUNTS IN THOUSANDS)
 
<S>                                                                 <C>              <C>              <C>
Total Loan Portfolio.............................................   $ 23,562,318     $ 26,941,302      $ 30,750,624
Average Portfolio Balance........................................   $ 23,080,841     $ 24,788,360      $ 29,207,414
Foreclosed Loans(1)..............................................   $    149,334     $    121,254      $    108,057
Liquidated Foreclosed Loans(2)...................................   $    323,801     $    253,774      $    154,019
Foreclosed Loans Ratio...........................................          0.634%           0.450%             .351%
Gross Loss(3)....................................................   $     98,625     $     84,755      $     48,631
Gross Loss Ratio.................................................          0.427%           0.342%             .167%
Covered Loss(4)..................................................   $     84,869     $     54,502      $     33,594
Net Loss(5)......................................................   $     13,756     $     30,253      $     15,037
Net Loss Ratio...................................................          0.060%           0.122%             .051%
Excess Recovery(6)...............................................   $        221     $        515      $         84
</TABLE>
 
     TOTAL REDUCED LOAN DOCUMENTATION LOAN PORTFOLIO FORECLOSURE EXPERIENCE
 
<TABLE>
<CAPTION>
                                                                  AT OR FOR          AT OR FOR          AT OR FOR
                                                                   THE YEAR           THE YEAR        THE SIX MONTH
                                                                    ENDED              ENDED          PERIOD ENDED
                                                                 DECEMBER 31,       DECEMBER 31,        JUNE 30,
                                                                     1994               1995              1996
                                                                 ------------       ------------      -------------
                                                                           (DOLLAR AMOUNTS IN THOUSANDS)
<S>                                                              <C>                <C>               <C>
Total Reduced Loan Documentation
     Loan Portfolio...........................................    $5,192,295         $5,656,221        $ 6,273,853
Average Portfolio Balance.....................................    $5,265,539         $5,313,835        $ 6,018,626
Foreclosed Loans(1)...........................................    $   61,337         $   38,036        $    34,108
Liquidated Foreclosed Loans(2)................................    $  142,353         $   97,935        $    41,903
Foreclosed Loans Ratio........................................         1.181%             0.672%              .544%
Gross Loss(3).................................................    $   48,896         $   36,696        $    16,552
Gross Loss Ratio..............................................         0.929%             0.691%              .275%
Covered Loss(4)...............................................    $   42,715         $   22,345        $    12,022
Net Loss(5)...................................................    $    6,181         $   14,351        $     4,530
Net Loss Ratio................................................         0.117%             0.270%              .075%
Excess Recovery(6)............................................    $       89         $      217        $         8
</TABLE>
 
- ------------
 
(1) For  purposes  of  these  tables, Foreclosed  Loans  includes  the principal
    balance of mortgage loans secured by mortgaged properties the title to which
    has been acquired  by Residential  Funding, by  investors or  by an  insurer
    following foreclosure or delivery of a deed in lieu of foreclosure and which
    had not been liquidated by the end of the period indicated.
 
(2) Liquidated  Foreclosed Loans  is the  sum of  the principal  balances of the
    foreclosed loans liquidated during the period indicated.
 
(3) Gross Loss is the sum of gross losses less net gains (Excess Recoveries)  on
    all  Mortgage Loans liquidated  during the period  indicated. Gross Loss for
    any Mortgage  Loan is  equal to  the difference  between (a)  the  principal
    balance  plus accrued interest plus all liquidation expenses related to such
    Mortgage  Loan  and  (b)  all  amounts  received  in  connection  with   the
    liquidation  of the  related Mortgaged Property,  excluding amounts received
    from mortgage pool  or special  hazard insurance  or other  forms of  credit
    enhancement, as
 
                                              (footnotes continued on next page)
 
                                      S-62
 
<PAGE>
<PAGE>
(footnotes continued from previous page)
    described  in footnote (4) below. Net gains from the liquidation of mortgage
    loans are identified in footnote (6) below.
 
(4) Covered Loss, for  the period indicated,  is equal to  the aggregate of  all
    proceeds received in connection with liquidated Mortgage Loans from mortgage
    pool insurance, special hazard insurance (but not including primary mortgage
    insurance,  hazard  insurance  or  other  insurance  available  for specific
    mortgaged properties) or other  insurance as well  as all proceeds  received
    from  or  losses borne  by other  credit enhancement,  including subordinate
    certificates.
 
(5) Net Loss is determined  by subtracting Covered Loss  from Gross Loss. As  is
    the  case in footnote (3) above, Net  Loss indicated here may reflect Excess
    Recovery (see footnote (6) below). Net Loss includes losses on mortgage loan
    pools which do not have the benefit of credit enhancement.
 
(6) Excess Recovery is calculated only with respect to defaulted Mortgage  Loans
    as  to which the  liquidation of the related  Mortgaged Property resulted in
    recoveries in excess of the principal balance plus accrued interest  thereon
    plus  all  liquidation  expenses  related  to  such  Mortgage  Loan.  Excess
    recoveries  are  not  applied  to  reinstate  any  credit  enhancement,  and
    generally are not allocated to holders of Certificates.
 
                            ------------------------
 
     There  can be no assurance that  the delinquency and foreclosure experience
set forth above will  be representative of the  results that may be  experienced
with respect to the Mortgage Loans.
 
SERVICING AND OTHER COMPENSATION AND PAYMENT OF EXPENSES
 
     The  Servicing Fees for each Mortgage Loan  are payable out of the interest
payments on such Mortgage Loan. The  Servicing Fees in respect of each  Mortgage
Loan  will be at least 0.28% per annum and  not more than 0.35% per annum of the
outstanding principal balance  of such  Mortgage Loan, with  a weighted  average
Servicing  Fee of approximately 0.2974% per annum. The Servicing Fees consist of
(a) servicing compensation  payable to  the Master  Servicer in  respect of  its
master  servicing activities and (b) subservicing and other related compensation
payable to  the Subservicer  (including  such compensation  paid to  the  Master
Servicer  as  the direct  servicer  of a  Mortgage Loan  for  which there  is no
Subservicer). The primary  compensation to  be paid  to the  Master Servicer  in
respect  of  its master  servicing activities  will  be 0.03%  per annum  of the
outstanding principal balance of each Mortgage Loan, except that with respect to
34.8% of the Mortgage  Loans (by aggregate principal  balance as of the  Cut-off
Date),  such amount will be  0.08% per annum. As  described in the Prospectus, a
Subservicer is entitled to servicing compensation  in a minimum amount equal  to
0.125%  per annum  of the  outstanding principal  balance of  each Mortgage Loan
serviced by it. The Master Servicer is obligated to pay certain ongoing expenses
associated with the Trust Fund and incurred by the Master Servicer in connection
with its responsibilities under  the Pooling and  Servicing Agreement. See  'The
Pooling  and Servicing Agreement -- Servicing and Other Compensation and Payment
of Expenses; Spread' in the Prospectus for information regarding other  possible
compensation  to  the  Master  Servicer  and  Subservicers  and  for information
regarding expenses payable by the Master Servicer.
 
VOTING RIGHTS
 
     Certain actions specified in the Prospectus that may be taken by holders of
Certificates evidencing a specified percentage of all undivided interests in the
Trust Fund may be taken by holders of Certificates entitled in the aggregate  to
such percentage of the Voting Rights. 98% of all Voting Rights will be allocated
among  all holders of the Certificates (other than the Residual Certificates) in
proportion to their then outstanding  Certificate Principal Balances, 1% of  all
Voting Rights will be allocated to the owner of Excess Spread, and 0.5% and 0.5%
of  all  Voting  Rights  will  be  allocated  among  holders  of  the  Class R-I
Certificates and Class  R-II Certificates,  respectively, in  proportion to  the
Percentage   Interests  (as  defined  in  the  Prospectus)  evidenced  by  their
respective Certificates. The Pooling and Servicing Agreement will be subject  to
amendment  without the  consent of the  holders of the  Residual Certificates in
certain circumstances.
 
                                      S-63
 
<PAGE>
<PAGE>
TERMINATION
 
     The circumstances under which  the obligations created  by the Pooling  and
Servicing  Agreement will terminate  in respect of  the Offered Certificates are
described in 'The Pooling and Servicing Agreement -- Termination; Retirement  of
Certificates'  in the Prospectus.  The Master Servicer or  the Company will have
the option, on  any Distribution Date  on which the  aggregate Stated  Principal
Balance  of  the Mortgage  Loans is  less  than 10%  of the  aggregate principal
balance of the Mortgage Loans as of the Cut-off Date, either (i) to purchase all
remaining Mortgage Loans and other assets  in the Trust Fund, thereby  effecting
early  retirement of the Offered Certificates or  (ii) to purchase, in whole but
not in part,  the Certificates. Any  such purchase of  Mortgage Loans and  other
assets  of the Trust Fund shall be made at  a price equal to the sum of (a) 100%
of the unpaid principal balance of each Mortgage Loan (or the fair market  value
of  the  related  underlying  Mortgaged  Properties  with  respect  to defaulted
Mortgage Loans as to which title to such Mortgaged Properties has been  acquired
if  such fair market value  is less than such  unpaid principal balance) (net of
any unreimbursed Advance attributable to principal) as of the date of repurchase
plus (b)  accrued  interest  thereon  at  the Net  Mortgage  Rate  to,  but  not
including,  the  first  day of  the  month  in which  such  repurchase  price is
distributed. Distributions on the Certificates  in respect of any such  optional
termination will be paid, first, to the Senior Certificates and the owner of the
Excess Spread, second, to the Class M Certificates in the order of their payment
priority  and, third,  to the  Class B  Certificates. The  proceeds of  any such
distribution may not be sufficient to  distribute the full amount to each  class
of  Certificates if the purchase price is based in part on the fair market value
of the underlying  Mortgaged Property and  such fair market  value is less  than
100%  of the  unpaid principal  balance of the  related Mortgage  Loan. Any such
purchase of  the Certificates  will be  made at  a price  equal to  100% of  the
Certificate Principal Balance thereof plus (except with respect to the Principal
Only  Certificates) the  sum of interest  thereon for  the immediately preceding
Interest Accrual  Period  at  the  then-applicable  Pass-Through  Rate  and  any
previously  unpaid  Accrued  Certificate  Interest. Upon  the  purchase  of such
Certificates or at any time thereafter, at the option of the Master Servicer  or
the  Company, the Mortgage Loans may be  sold, thereby effecting a retirement of
the Certificates and the termination of  the Trust Fund, or the Certificates  so
purchased may be held or resold by the Master Servicer or the Company.
 
     Upon  presentation and surrender of  the Offered Certificates in connection
with the termination of the Trust Fund  or a purchase of Certificates under  the
circumstances  described  above, the  holders of  the Offered  Certificates will
receive an amount equal to the Certificate Principal Balance of such class  plus
interest  thereon for the  immediately preceding Interest  Accrual Period at the
then-applicable Pass-Through  Rate  (or,  with  respect to  the  Class  A-4  PAC
Interest  Only Component and Class A-4 TAC Interest Only Component, interest for
the immediately  preceding  Interest  Accrual Period  on  the  Notional  Amounts
thereof),  plus any previously unpaid  Accrued Certificate Interest (reduced, as
described above, in the case of the termination of the Trust Fund resulting from
a purchase of all the assets of the Trust Fund).
 
                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
     Upon the issuance  of the  Offered Certificates, Thacher  Proffitt &  Wood,
counsel  to the Company, will deliver its  opinion generally to the effect that,
assuming compliance with all provisions of the Pooling and Servicing  Agreement,
for  federal income tax  purposes, REMIC I and  REMIC II will  each qualify as a
REMIC under the Code. The assets of REMIC I will consist of the Mortgage  Loans,
the  Certificate Account and any Mortgaged  Properties acquired on behalf of the
Trust Fund; the separate non-certificated regular  interests in REMIC I will  be
the 'regular interests' in REMIC I and will constitute the assets of REMIC II.
 
     For  federal  income  tax purposes,  (a)  the Class  R-I  Certificates will
constitute the sole class of 'residual interests' in REMIC I, (b) each class  of
Senior  Certificates  (other  than  the  Residual  Certificates),  the  Class  M
Certificates, Class B Certificates and the rights to the ownership of the Excess
Spread will represent  ownership of  'regular interests'  in REMIC  II and  will
generally  be treated  as debt instruments  of REMIC  II and (c)  the Class R-II
Certificates will constitute the sole class of 'residual certificates' in  REMIC
II. See 'Certain Federal Income Tax Consequences -- REMICs' in the Prospectus.
 
     For  federal income tax reporting purposes, the Class A-1, Class A-2, Class
A-3, Class A-5,  Class A-7, Class  A-8, Class  A-9, Class A-10,  Class A-11  and
Class  A-12 Certificates will not be treated as having been issued with original
issue discount. The Class A-6,  Class A-13, Class M-1,  Class M-2 and Class  M-3
Certificates  will be treated as having been issued with original issue discount
for federal income tax reporting  purposes. The prepayment assumption that  will
be   used   in   determining   the   rate   of   accrual   of   original   issue
 
                                      S-64
 
<PAGE>
<PAGE>
discount, market discount and premium, if  any, for federal income tax  purposes
will   be  based  on  the  assumption  that,  subsequent  to  the  date  of  any
determination the Mortgage Loans  will prepay at  a rate equal  to 250% SPA.  No
representation  is made that the  Mortgage Loans will prepay  at that rate or at
any other rate.  See 'Certain Federal  Income Tax Consequences  -- General'  and
'  -- REMICs  -- Taxation  of Owners of  REMIC Regular  Certificates -- Original
Issue Discount' in the Prospectus.
 
     Purchasers of  the Class  A-6  Certificates should  be aware  that  Section
1272(a)(6) of the Code and the OID Regulations do not adequately address certain
issues   relevant  to,  or  applicable  to,  prepayable  securities  bearing  an
adjustable rate of interest of the type borne by the Class A-6 Certificates.  In
the  absence of  other authority,  the Master Servicer  intends to  be guided by
certain principles  of the  OID  Regulations applicable  to variable  rate  debt
instruments in adapting the provisions of Section 1272(a)(6) of the Code to such
Certificates    for   the   purpose   of    preparing   reports   furnished   to
Certificateholders and  the IRS.  Because of  the uncertainties  concerning  the
application  of Section 1272(a)(6) of the  Code to such Certificates and because
the rules relating to debt  instruments having a rate  of interest of this  type
are  limited in their application in  ways that could preclude their application
to such Certificates even in the absence of Section 1272(a)(6) of the Code,  the
IRS  could assert  that the  Class A-6 Certificates  should be  governed by some
other method not  yet set forth  in regulations. Prospective  purchasers of  the
Class  A-6 Certificates are advised to consult their tax advisors concerning the
tax treatment of such Certificates.
 
     The  Master  Servicer  believes  that  a  reasonable  application  of   the
principles of the OID Regulations to the Class A-6 Certificates, generally would
be  to report  all income  with respect to  such Certificates  as original issue
discount for each period, computing such original issue discount (i) by assuming
that the value  of the  applicable index will  remain constant  for purposes  of
determining  the original yield  to maturity of each  such class of Certificates
and projecting future distributions on such Certificates, thereby treating  such
Certificates  as fixed  rate instruments  to which  the original  issue discount
computation rules  described in  the  Prospectus can  be  applied, and  (ii)  by
accounting  for any positive  or negative variation  in the actual  value of the
applicable index in any period from its assumed value as a current adjustment to
original issue discount with respect to such period. See 'Certain Federal Income
Tax  Consequences   --  REMICs   --  Taxation   of  Owners   of  REMIC   Regular
Certificates -- Original Issue Discount' in the Prospectus.
 
     If  the  method  for computing  original  issue discount  described  in the
Prospectus results  in  a negative  amount  for any  period  with respect  to  a
Certificateholder,  in particular a  Class A-6 Certificateholder,  the amount of
original issue  discount  allocable  to  such period  would  be  zero  and  such
Certificateholder  will be permitted to offset such negative amount only against
future original issue discount (if any) attributable to such Certificates.
 
     In certain  circumstances  OID Regulations  permit  the holder  of  a  debt
instrument to recognize original issue discount under a method that differs from
that  used  by the  issuer. Accordingly,  it is  possible that  the holder  of a
Certificate may  be able  to  select a  method  for recognizing  original  issue
discount that differs from that used by the Master Servicer in preparing reports
to the Certificateholders and the IRS.
 
     Certain  classes of  the Offered  Certificates may  be treated  for federal
income tax purposes as having  been issued at a  premium. Whether any holder  of
such  a class  of Certificates  will be  treated as  holding a  certificate with
amortizable bond premium will depend on such Certificateholder's purchase  price
and  the distributions remaining to  be made on such  Certificate at the time of
its  acquisition  by  such  Certificateholder.   Holders  of  such  classes   of
Certificates  should  consult their  tax advisors  regarding the  possibility of
making an election  to amortize such  premium. See 'Certain  Federal Income  Tax
Consequences  -- REMICs -- Taxation of Owners of REMIC Regular Certificates' and
' -- Premium' in the Prospectus.
 
     The Offered Certificates  will be  treated as assets  described in  Section
7701(a)(19)(C)  of the Code and 'real  estate assets' under Section 856(c)(5)(A)
of the Code generally in the same  proportion that the assets of the Trust  Fund
would  be so treated. In addition, interest  on the Offered Certificates will be
treated as 'interest on obligations secured by mortgages on real property' under
Section 856(c)(3)(B)  of the  Code generally  to the  extent that  such  Offered
Certificates  are treated as 'real estate  assets' under Section 856(c)(5)(A) of
the  Code.  Moreover,  the  Offered   Certificates  (other  than  the   Residual
Certificates)  will  be  'qualified  mortgages' within  the  meaning  of Section
860G(a)(3) of the Code  if transferred to  another REMIC on  its startup day  in
exchange  for  a  regular  or residual  interest  therein.  However, prospective
investors in  Offered Certificates  that  will be  generally treated  as  assets
described  in Section 860G(a)(3)  of the Code  should note that, notwithstanding
such treatment, any repurchase  of such a Certificate  pursuant to the right  of
the  Master Servicer or the Company  to repurchase such Offered Certificates may
adversely affect  any  REMIC  that  holds  such  Offered  Certificates  if  such
 
                                      S-65
 
<PAGE>
<PAGE>
repurchase  is made under circumstances giving  rise to a Prohibited Transaction
Tax.  Recently  enacted  legislation  repealed,  effective  for  taxable   years
beginning  after December 31, 1995, the provisions of Section 593(d) of the Code
allowing thrift  institutions to  use a  reserve method  of accounting  for  bad
debts.  See  'The Pooling  and Servicing  Agreement  -- Termination'  herein and
'Certain Federal  Income  Tax  Consequences --  REMICs  --  Characterization  of
Investments in REMIC Certificates' in the Prospectus.
 
     For  further  information  regarding  federal  income  tax  consequences of
investing  in  the  Offered  Certificates,  see  'Certain  Federal  Income   Tax
Consequences -- REMICs' in the Prospectus.
 
SPECIAL TAX CONSIDERATIONS APPLICABLE TO RESIDUAL CERTIFICATES
 
     The  IRS has issued REMIC Regulations under the provisions of the Code that
significantly affect  holders of  Residual Certificates.  The REMIC  Regulations
impose  certain general restrictions  on the transfer  or acquisition of certain
residual  interests,  including  the  Residual  Certificates.  The  Pooling  and
Servicing  Agreement  includes  certain  provisions  regarding  the  transfer of
Residual Certificates, including (i)  the requirement that  any transferee of  a
Residual  Certificate provide an affidavit representing that such transferee (a)
is not  a  'disqualified  organization,'  (b)  is  not  acquiring  the  Residual
Certificate  on behalf  of a 'disqualified  organization' and  (c) will maintain
such status and will  obtain a similar  affidavit from any  person to whom  such
transferee  shall subsequently transfer a Residual Certificate, (ii) a provision
that any transfer of a Residual Certificate to a 'disqualified person' shall  be
null  and void and  (iii) a grant to  the Master Servicer  of the right, without
notice to the holder or any prior holder,  to sell to a purchaser of its  choice
any   Residual  Certificate   that  shall   become  owned   by  a  'disqualified
organization' despite (i) and (ii) above.  In addition, pursuant to the  Pooling
and  Servicing Agreement,  the Residual Certificates  may not  be transferred to
non-United States persons.
 
     The REMIC  Regulations also  provide that  a transfer  to a  United  States
person  of 'noneconomic' residual interests will  be disregarded for all federal
income tax purposes, and that the purported transferor of 'noneconomic' residual
interests will continue to remain liable for  any taxes due with respect to  the
income  on  such  residual  interests, unless  'no  significant  purpose  of the
transfer was to impede the assessment or collection of tax.' Based on the  REMIC
Regulations,  the  Residual  Certificates  may  constitute  noneconomic residual
interests during  some  or  all  of  their  terms  for  purposes  of  the  REMIC
Regulations  and, accordingly, unless no significant purpose of a transfer is to
impede  the  assessment  or  collection  of  tax,  transfers  of  the   Residual
Certificates  may be disregarded and purported transferors may remain liable for
any taxes  due with  respect to  the income  on the  Residual Certificates.  All
transfers  of the Residual Certificates will  be subject to certain restrictions
under the terms  of the  Pooling and Servicing  Agreement that  are intended  to
reduce the possibility of any such transfer being disregarded to the extent that
the   Residual  Certificates  constitute  noneconomic  residual  interests.  See
'Certain Federal Income  Tax Consequences  -- REMICs  -- Taxation  of Owners  of
REMIC  Residual Certificates -- Noneconomic  REMIC Residual Certificates' in the
Prospectus.
 
     Recently enacted  legislation  made certain  changes  to the  treatment  of
residual  interests in REMICs. In particular,  such legislation: (i) repeals the
special rules for residual interests  having 'significant value' held by  thrift
institutions, and (ii) provides that (A) excess inclusions will not be permitted
to  be  offset by  the  alternative tax  net  operating loss  deduction  and (B)
alternative minimum taxable income  may not be less  than the taxpayer's  excess
inclusions.  An effect of the last rule  is to prevent nonrefundable tax credits
from reducing the taxpayer's  income tax to an  amount lower than the  tentative
minimum tax on excess inclusions.
 
     The  Class R-II Certificateholders  may be required to  report an amount of
taxable income with respect to the earlier accrual periods of the term of  REMIC
II  that significantly exceeds the amount of cash distributions received by such
Class R-II  Certificateholders  from the  related  REMIC with  respect  to  such
periods.  Furthermore, the tax on such  income may exceed the cash distributions
with respect to such periods. Consequently, Class R-II Certificateholders should
have other sources of funds  sufficient to pay any  federal income taxes due  in
the  earlier years of the REMIC II's term  as a result of their ownership of the
Class R-II Certificates. In addition, the  required inclusion of this amount  of
taxable income during the REMIC II's earlier accrual periods and the deferral of
corresponding  tax losses or deductions until later accrual periods or until the
ultimate sale or  disposition of  a Class  R-II Certificate  (or possibly  later
under  the 'wash sale'  rules of Section 1091  of the Code)  may cause the Class
R-II Certificateholders' after-tax rate of return to be zero or negative even if
the Class R-II Certificateholders' pre-tax rate of return is positive. That  is,
on  a  present value  basis, the  Class  R-II Certificateholders'  resulting tax
liabilities could  substantially exceed  the sum  of any  tax benefits  and  the
amount  of any  cash distributions  on such  Class R-II  Certificates over their
life.
 
                                      S-66
 
<PAGE>
<PAGE>
     An individual, trust or estate  that holds (whether directly or  indirectly
through  certain pass-through  entities) a Residual  Certificate, particularly a
Class R-I Certificate, may have significant additional gross income with respect
to, but may  be subject to  limitations on the  deductibility of, servicing  and
trustee's  fees  and other  administrative  expenses properly  allocable  to the
related REMIC in  computing such Certificateholder's  regular tax liability  and
will not be able to deduct such fees or expenses to any extent in computing such
Certificateholder's  alternative minimum  tax liability.  Such expenses  will be
allocated for federal income tax information reporting purposes entirely to  the
Class  R-I Certificates and not  to the Class R-II  Certificates. However, it is
possible that the IRS may require all or some portion of such fees and  expenses
to  be allocable to the Class R-II Certificates. See 'Certain Federal Income Tax
Consequences   --   REMICs   --   Taxation   of   Owners   of   REMIC   Residual
Certificates  -- Possible Pass-Through of  Miscellaneous Itemized Deductions' in
the Prospectus.
 
     Residential Funding will  be designated  as the 'tax  matters person'  with
respect  to REMIC I and REMIC II as  defined in the REMIC Provisions (as defined
in the Prospectus),  and in connection  therewith will be  required to hold  not
less  than  0.01%  of  each  of  the  Class  R-I  Certificates  and  Class  R-II
Certificates.
 
     Purchasers of the  Residual Certificates  are strongly  advised to  consult
their tax advisors as to the economic and tax consequences of investment in such
Residual Certificates.
 
     For  further information regarding  the federal income  tax consequences of
investing in  the  Residual  Certificates, see  'Certain  Yield  and  Prepayment
Considerations  --  Additional  Yield Considerations  Applicable  Solely  to the
Residual   Certificates'    herein    and   'Certain    Federal    Income    Tax
Consequences  -- REMICs -- Taxation of Owners of REMIC Residual Certificates' in
the Prospectus.
 
                             METHOD OF DISTRIBUTION
 
     Subject to the terms and conditions set forth in an Underwriting Agreement,
dated September 23, 1996 (the 'Lehman Underwriting Agreement'), Lehman  Brothers
has  agreed  to  purchase  and  the  Company  has  agreed  to  sell  the  Lehman
Underwritten Certificates, except that a de minimis portion of each class of the
Residual Certificates will be retained by Residential Funding, and such  portion
is  not offered hereby. It is expected  that delivery of the Lehman Underwritten
Certificates (other  than  the  Residual  Certificates) will  be  made  only  in
book-entry  form through the Same  Day Funds Settlement System  of DTC, and that
the delivery of the Residual Certificates will be made at the offices of  Lehman
Brothers  Inc.,  3 World  Financial  Center, New  York,  New York,  on  or about
September 26, 1996, against payment therefor in immediately available funds.
 
     Subject to the terms and conditions set forth in an Underwriting  Agreement
(the  'RFSC Underwriting Agreement'), dated September  23, 1996, RFSC has agreed
to offer the  RFSC Underwritten  Certificates on a  best efforts  basis and  the
Company  has agreed to sell to RFSC  the RFSC Underwritten Certificates when and
if sold by  RFSC. The Lehman  Underwriting Agreement and  the RFSC  Underwriting
Agreement  are collectively referred to  herein as the 'Underwriting Agreements'
and Lehman  Brothers  and  RFSC  are collectively  referred  to  herein  as  the
'Underwriters.'   It  is  expected  that   delivery  of  the  RFSC  Underwriting
Certificates will  be  made at  the  office of  Residential  Funding  Securities
Corporation,  8400 Normandale Lake Boulevard,  Suite 700, Minneapolis, Minnesota
55437 on or about  September 26, 1996, against  payment therefor in  immediately
available  funds. The termination date of  the offering of the RFSC Underwritten
Certificates is the earlier to occur of September 26, 1997 or the date on  which
all  of the RFSC Underwritten Certificates have  been sold. Proceeds of the RFSC
Underwritten Certificates  will  not  be  placed in  escrow,  trust  or  similar
arrangement.
 
     Each  Underwriting Agreement  provides that  the obligation  of the related
Underwriter to pay for  and accept delivery of  its Certificates is subject  to,
among other things, the receipt of certain legal opinions and to the conditions,
among  others, that no stop order  suspending the effectiveness of the Company's
Registration Statement shall  be in  effect, and  that no  proceedings for  such
purpose  shall be  pending before or  threatened by the  Securities and Exchange
Commission.
 
     The distribution of the Lehman Underwritten Certificates by Lehman Brothers
may be effected from  time to time  in one or  more negotiated transactions,  or
otherwise,  at varying prices to be determined  at the time of sale. Proceeds to
the Company  from  the sale  of  the Lehman  Underwritten  Certificates,  before
deducting  expenses payable by the Company,  will be approximately 99.77% of the
aggregate Certificate Principal Balance of the Lehman Underwritten  Certificates
plus accrued interest thereon from the Cut-off Date. The proceeds to the Company
from  any  sale of  the  RFSC Underwritten  Certificates  will be  equal  to the
purchase price paid by
 
                                      S-67
 
<PAGE>
<PAGE>
the purchaser  thereof, net  of any  expenses  payable by  the Company  and  any
compensation  payable to RFSC  and any dealer. The  Underwriters may effect such
transactions by selling their respective Certificates to or through dealers, and
such dealers may  receive compensation  in the form  of underwriting  discounts,
concessions  or commissions  from the related  Underwriter for whom  they act as
agent. In connection with the sale of its Underwritten Certificates, the related
Underwriter may be deemed to have received compensation from the Company in  the
form  of  underwriting  compensation.  Each  Underwriter  and  any  dealers that
participate with  such  Underwriter  in the  distribution  of  its  Underwritten
Certificates  may be deemed to  be underwriters and any  profit on the resale of
the  Underwritten  Certificates  positioned  by   them  may  be  deemed  to   be
underwriting discounts and commissions under the Securities Act of 1933.
 
     Each  Underwriting Agreement provides  that the Company  will indemnify the
related  Underwriter,  and   that  under  limited   circumstances  the   related
Underwriter  will indemnify the Company, against certain civil liabilities under
the Securities Act of  1933, or contribute  to payments required  to be made  in
respect thereof.
 
     The  Principal Only Certificates may be offered by the Company from time to
time directly  or through  an underwriter  or agent  in one  or more  negotiated
transactions,  or otherwise, at varying  prices to be determined  at the time of
sale. Proceeds to the Company from  any sale of the Principal Only  Certificates
will equal the purchase price paid by the purchaser thereof, net of any expenses
payable  by the Company and any compensation  payable to any such underwriter or
agent.
 
     There can  be  no  assurance  that  a  secondary  market  for  the  Offered
Certificates  will develop or,  if it does  develop, that it  will continue. The
primary source  of information  available to  investors concerning  the  Offered
Certificates  will be the  monthly statements discussed  in the Prospectus under
'Description of the Certificates --  Reports to Certificateholders,' which  will
include  information  as to  the outstanding  principal  balance of  the Offered
Certificates.  There  can  be  no  assurance  that  any  additional  information
regarding  the Offered Certificates will be  available through any other source.
In addition,  the  Company  is not  aware  of  any source  through  which  price
information  about the  Offered Certificates will  be generally  available on an
ongoing basis.  The limited  nature of  such information  regarding the  Offered
Certificates  may adversely  affect the  liquidity of  the Offered Certificates,
even if a secondary market for the Offered Certificates becomes available.
 
                                 LEGAL OPINIONS
 
     Certain legal matters relating to the Certificates will be passed upon  for
the  Company  by Thacher  Proffitt &  Wood, New  York, New  York and  for Lehman
Brothers by Brown & Wood LLP, New York, New York.
 
                                    RATINGS
 
     It is a condition of the issuance of the Senior Certificates offered hereby
(other than the Principal Only Certificates) that they be rated 'AAA' by each of
Standard & Poor's and Fitch. It is a condition of the issuance of the  Principal
Only  Certificates that they be  rated 'AAAr' by Standard  & Poor's and 'AAA' by
Fitch. It is a condition of the issuance of the Class M-1 Certificates that they
be rated not lower  than 'AA' by each  of Standard & Poor's  and Fitch. It is  a
condition  of  the  issuance  of  the  Class  M-2  Certificates  and  Class  M-3
Certificates that they be rated not  lower than 'A' and 'BBB,' respectively,  by
Fitch.
 
     Standard & Poor's ratings on mortgage pass-through certificates address the
likelihood  of the receipt by Certificateholders  of payments required under the
Pooling  and  Servicing   Agreement.  Standard  &   Poor's  ratings  take   into
consideration  the credit  quality of  the mortgage  pool, structural  and legal
aspects associated with the  Certificates, and the extent  to which the  payment
stream  in the  mortgage pool  is adequate to  make payments  required under the
Certificates. Standard & Poor's  rating on the  Certificates does not,  however,
constitute  a statement regarding frequency of prepayments on the mortgages. See
'Certain Yield  and Prepayment  Considerations' herein.  The 'r'  of the  'AAAr'
rating  of the Principal Only  Certificates by Standard &  Poor's is attached to
highlight derivative,  hybrid, and  certain other  obligations that  Standard  &
Poor's  believes may experience high volatility  or high variability in expected
returns due to non-credit  risks. Examples of  such obligations are:  securities
whose  principal  or interest  return is  indexed  to equities,  commodities, or
currencies; certain  swaps and  options; and  interest only  and principal  only
mortgage  securities. The  absence of an  'r' symbol  should not be  taken as an
indication that an obligation will exhibit no volatility or variability in total
return.
 
                                      S-68
 
<PAGE>
<PAGE>
     The ratings assigned  by Fitch to  mortgage pass-through certificates  also
address the likelihood of the receipt by Certificateholders of all distributions
to  which such Certificateholders are entitled. The rating process addresses the
structural and legal  aspects associated  with the  Certificates, including  the
nature  of  the  underlying mortgage  loans.  The ratings  assigned  to mortgage
pass-through certificates do not represent  any assessment of the likelihood  or
rate  of principal prepayments. The ratings  do not address the possibility that
Certificateholders might suffer a lower than anticipated yield.
 
     The Company has not requested a rating on the Senior Certificates and Class
M-1 Certificates by any rating agency other than Standard & Poor's and Fitch  or
on  the Class M-2 Certificates  and Class M-3 Certificates  by any rating agency
other than Fitch. However,  there can be  no assurance as  to whether any  other
rating  agency will rate the Senior Certificates or Class M Certificates, or, if
it does, what rating would be assigned by any such other rating agency. A rating
on the Certificates by another rating agency,  if assigned at all, may be  lower
than  the ratings assigned to the Senior Certificates and Class M-1 Certificates
by Standard &  Poor's and Fitch  and the  Class M-2 Certificates  and Class  M-3
Certificates by Fitch.
 
     A  security rating is not a recommendation  to buy, sell or hold securities
and may be subject to revision or withdrawal at any time by the assigning rating
organization. Each  security rating  should be  evaluated independently  of  any
other  security rating. In the event that  the ratings initially assigned to the
Offered Certificates  are subsequently  lowered  for any  reason, no  person  or
entity is obligated to provide any additional support or credit enhancement with
respect to the Offered Certificates.
 
                                LEGAL INVESTMENT
 
     The   Senior  Certificates  and  Class  M-1  Certificates  will  constitute
'mortgage related securities' for purposes of SMMEA so long as they are rated in
at least the second highest rating category by one of the Rating Agencies,  and,
as  such, are legal investments  for certain entities to  the extent provided in
SMMEA. SMMEA provides,  however, that  states could override  its provisions  on
legal  investment  and  restrict  or condition  investment  in  mortgage related
securities by taking statutory  action on or prior  to October 3, 1991.  Certain
states  have enacted  legislation which  overrides the  preemption provisions of
SMMEA. The Class M-2 Certificates and Class M-3 Certificates will not constitute
'mortgage related securities' for purposes of SMMEA.
 
     The Company makes no representations  as to the proper characterization  of
any class of the Offered Certificates for legal investment or other purposes, or
as  to the ability of particular investors  to purchase any class of the Offered
Certificates under applicable legal investment restrictions. These uncertainties
may adversely  affect  the  liquidity  of any  class  of  Offered  Certificates.
Accordingly,  all institutions whose investment  activities are subject to legal
investment laws and  regulations, regulatory capital  requirements or review  by
regulatory  authorities should consult with  their legal advisors in determining
whether and to what extent any  class of the Offered Certificates constitutes  a
legal investment or is subject to investment, capital or other restrictions.
 
     See 'Legal Investment Matters' in the Prospectus.
 
                              ERISA CONSIDERATIONS
 
     A  fiduciary  of any  employee benefit  plan or  other plan  or arrangement
subject to ERISA or Section 4975 of  the Code (a 'Plan'), any insurance  company
(whether through its general or separate accounts) or any other person investing
Plan  Assets of any Plan, as defined  under 'ERISA Considerations  -- Plan Asset
Regulations' in the Prospectus, should carefully review with its legal  advisors
whether  the purchase or  holding of Offered  Certificates could give  rise to a
transaction prohibited or not otherwise permissible under ERISA or Section  4975
of the Code. The purchase or holding of the Offered Certificates (other than the
Lockout  Senior Support Certificates, Class B Certificates, Class M Certificates
or Residual Certificates) by or on behalf of, or with Plan Assets of, a Plan may
qualify for  exemptive relief  under the  Exemption, as  described under  'ERISA
Considerations    --  Prohibited  Transaction  Exemptions'  in  the  Prospectus.
However, the Exemption contains a number of conditions which must be met for the
Exemption to apply,  including the  requirement that any  such Plan  must be  an
'accredited  investor'  as defined  in  Rule 501(a)(1)  of  Regulation D  of the
Securities and Exchange Commission under the Securities Act of 1933, as amended.
 
     The Small Business Job Protection Act of 1996 added a new Section 401(c) to
ERISA, which provides certain exemptive relief from the provisions of Part 4  of
Title I of ERISA and Section 4975 of the Code,
 
                                      S-69
 
<PAGE>
<PAGE>
including  the  prohibited transaction  restrictions  imposed by  ERISA  and the
related excise  taxes  imposed  by  the  Code,  for  transactions  involving  an
insurance  company general  account. Pursuant  to Section  401(c) of  ERISA, the
Department of  Labor ('DOL')  is required  to issue  final regulations  ('401(c)
Regulations')  no later than December 31, 1997 which are to provide guidance for
purposes of  determining, in  cases  where insurance  policies supported  by  an
insurer's  general account  are issued  to or for  the benefit  of a  Plan on or
before December 31, 1998, which  general account assets constitute Plan  Assets.
Section  401(c) of  ERISA generally  provides that, until  the date  which is 18
months after the 401(c) Regulations become final, no person shall be subject  to
liability  under Part 4 of Title I of ERISA  and Section 4975 of the Code on the
basis of  a  claim that  the  assets of  an  insurance company  general  account
constitute  Plan Assets,  unless (i) as  otherwise provided by  the Secretary of
Labor in the 401(c) Regulations to prevent avoidance of the regulations or  (ii)
an action is brought by the Secretary of Labor for certain breaches of fiduciary
duty  which would also constitute a violation  of federal or state criminal law.
Any assets  of an  insurance  company general  account which  support  insurance
policies  issued to  a Plan  after December 31,  1998 or  issued to  Plans on or
before December 31, 1998  for which the insurance  company does not comply  with
the  401(c)  Regulations may  be treated  as Plan  Assets. In  addition, because
Section 401(c) does not relate to insurance company separate accounts,  separate
account  assets are still  treated as Plan  Assets of any  Plan invested in such
separate account. Insurance  Companies contemplating the  investment of  general
account  assets  in the  Offered Certificates  should  consult with  their legal
advisors with respect to the applicability of Section 401(c) of ERISA, including
the general account's ability to continue to hold the Offered Certificates after
the date which is 18 months after the date the 401(c) Regulations become final.
 
     Because the  exemptive relief  afforded by  the Exemption  (or any  similar
exemption  that might be available) will not  likely apply to the purchase, sale
or holding of the Lockout Senior  Support Certificates, Class B Certificates  or
Class  M Certificates  (due to the  subordinate nature thereof)  or the Residual
Certificates, transfers of such  certificates to a Plan,  to a trustee or  other
person  acting on behalf of any Plan, or to any other person using the assets of
any Plan to effect such acquisition will not be registered by the Trustee unless
the transferee provides the Company, the Trustee and the Master Servicer with an
opinion of  counsel satisfactory  to the  Company, the  Trustee and  the  Master
Servicer,  which opinion will not be at  the expense of the Company, the Trustee
or the Master Servicer, that the purchase  of such certificates by or on  behalf
of  such Plan is permissible under applicable law, will not constitute or result
in a non-exempt prohibited transaction under  ERISA or Section 4975 of the  Code
and  will not  subject the Company,  the Trustee  or the Master  Servicer to any
obligation in  addition  to  those  undertaken  in  the  Pooling  and  Servicing
Agreement.
 
     In  lieu  of  such  opinion  of  counsel,  the  transferee  may  provide  a
certification  substantially  to  the  effect  that  the  purchase  of   Offered
Certificates  by or on behalf of such  Plan is permissible under applicable law,
will not constitute or result on a non-exempt prohibited transaction under ERISA
or Section 4975 of the Code and will not subject the Company, the Trustee or the
Master Servicer to any obligation in addition to those undertaken in the Pooling
and Servicing Agreement, and  the following statements in  at least one of  (i),
(ii),  (iii), (iv), (v) or  (vi) is correct: (i)  the transferee is an insurance
company and (a) the source of  funds used to purchase such Offered  Certificates
is  an 'insurance  company general  account' (as  such term  is defined  in PTCE
95-60), (b) the conditions set forth in  PTCE 95-60 have been satisfied and  (c)
there  is no  Plan with respect  to which  the amount of  such general account's
reserves and liabilities for contracts held by or on behalf of such Plan and all
other Plans maintained  by the  same employer  (or any  'affiliate' thereof,  as
defined  in PTCE 95-60) or  by the same employee  organization exceed 10% of the
total of all  reserves and liabilities  of such general  account (as  determined
under   PTCE  95-60)  as  of  the  date  of  the  acquisition  of  such  Offered
Certificates; (ii) the transferee is an insurance company and (a) the source  of
funds used to purchase such Offered Certificates is an insurance company general
account,  (b)  the  requirements  of  Sections  401(c)  of  ERISA  and  the  DOL
Regulations to be promulgated thereunder  have been satisfied and will  continue
to  be satisfied  and (c) the  insurance company represents  that it understands
that the operation of the general account after December 31, 1998 may affect its
ability to continue to hold the Offered Certificates after the date which is  18
months  after the  401(c) Regulations become  final and unless  the Exemption, a
class exemption issued by the DOL or an exception under 401(c) of ERISA is  then
available  for  the continued  holding  of Certificates,  if  the assets  of the
general  account  constitute  Plan  Assets,  it  will  dispose  of  the  Offered
Certificates  prior to the date which is  18 months after the 401(c) Regulations
become final; (iii) the transferee is an insurance company and (a) the source of
funds used to purchase such Offered Certificates is an 'insurance company pooled
separate account' (as such term is defined in PTCE 90-1), (b) the conditions set
forth in  PTCE 90-1  have been  satisfied and  (c) there  is no  Plan,  together
 
                                      S-70
 
<PAGE>
<PAGE>
with  all  other  Plans maintained  by  the  same employer  (or  any 'affiliate'
thereof, as defined  in PTCE 90-1)  or by the  same employee organization,  with
assets  which exceed  10% of  the total  of all  assets in  such pooled separate
account (as determined under  PTCE 90-1) as  of the date  of the acquisition  of
such  Offered Certificates; (iv) the transferee is  a bank and (a) the source of
funds used to  purchase such  Offered Certificates is  a 'collective  investment
fund'  (as defined in  PTCE 91-38), (b)  the conditions set  forth in PTCE 91-38
have been satisfied and (c)  there is no Plan,  the interests of which  together
with  the  interests of  any  other Plans  maintained  by the  same  employer or
employee organization in the collective investment fund do not exceed 10% of the
total of all assets in the collective investment fund (as determined under  PTCE
91-38)  as of  the date  of acquisition  of such  Offered Certificates;  (v) the
transferee is a 'qualified professional  asset manager' described in PTCE  84-14
and the conditions set forth in PTCE 84-14 have been satisfied and will continue
to be satisfied; or (vi) the transferee is an 'in-house asset manager' described
in PTCE 96-23 and the conditions set forth in PTCE 96-23 have been satisfied and
will continue to be satisfied.
 
     An opinion of counsel or certification will not be required with respect to
the  purchase of  the Lockout  Senior Support  Certificates, provided  that such
certificates are DTC Registered Certificates. Any purchaser of a DTC  Registered
Lockout  Senior Support Certificate  will be deemed to  have represented by such
purchase that either (a) such purchaser is not a Plan and is not purchasing such
Lockout Senior Support Certificates  on behalf of or  with 'plan assets' of  any
Plan or (b) the purchase of any such Lockout Senior Support Certificate by or on
behalf  of or with 'plan assets' of any Plan is permissible under applicable law
and will not  result in  any non-exempt  prohibited transaction  under ERISA  or
Section  4975 of the Code and will  not subject the Master Servicer, the Company
or the Trustee to any obligation in addition to those undertaken in the  Pooling
and Servicing Agreement.
 
     Any  fiduciary or other investor of Plan Assets that proposes to acquire or
hold the Offered  Certificates on  behalf of  or with  Plan Assets  of any  Plan
should  consult with its counsel with  respect to the potential applicability of
the fiduciary responsibility provisions of ERISA and the prohibited  transaction
provisions  of  ERISA  and  the  Code to  the  proposed  investment.  See 'ERISA
Considerations' in the Prospectus.
 
                                      S-71



<PAGE>
 
MORTGAGE PASS-THROUGH CERTIFICATES
 
RESIDENTIAL FUNDING MORTGAGE SECURITIES I, INC.
DEPOSITOR
 
The Mortgage Pass-Through Certificates (the "CERTIFICATES") offered hereby may
be sold from time to time in series, as described in the related Prospectus
Supplement. Each series of Certificates will represent in the aggregate the
entire beneficial ownership interest, excluding any interest retained by
Residential Funding Mortgage Securities I, Inc. (the "COMPANY") or any other
entity specified in the related Prospectus Supplement, in a trust fund
consisting primarily of a segregated pool of conventional one- to four-family,
residential first mortgage loans (the "MORTGAGE LOANS") or interests therein
(which may include Mortgage Securities, as defined herein), acquired by the
Company from one or more affiliated or unaffiliated institutions. See "The
Mortgage Pools." See "Index of Principal Definitions" for the meanings of
capitalized terms and acronyms.
 
The Mortgage Loans and certain other assets described herein under "The
Mortgage Pools" and in the related Prospectus Supplement will be held in trust
(collectively, a "TRUST FUND") for the benefit of the holders of the related
series of Certificates and the Excess Spread, if any, pursuant to a Pooling
and Servicing Agreement as described herein under "The Mortgage Pools." Each
Mortgage Pool will consist of one or more types of the various types of
Mortgage Loans described under "The Mortgage Pools." Information regarding
each class of Certificates of a series, and the general characteristics of the
Mortgage Loans to be evidenced by such Certificates, will be set forth in the
related Prospectus Supplement.
 
Each series of Certificates will include one or more classes. Each class of
Certificates of any series will represent the right, which right may be senior
or subordinate to the rights of one or more of the other classes of the
Certificates, to receive a specified portion of payments of principal or
interest (or both) on the Mortgage Loans in the related Trust Fund in the
manner described herein and in the related Prospectus Supplement. See
"Description of the Certificates--Distributions." A series may include one or
more classes of Certificates entitled to principal distributions, with
disproportionate, nominal or no interest distributions, or to interest
distributions, with disproportionate, nominal or no principal distributions. A
series may include two or more classes of Certificates which differ as to the
timing, sequential order, priority of payment, pass-through rate or amount of
distributions of principal or interest or both.
 
THE COMPANY'S ONLY OBLIGATIONS WITH RESPECT TO A SERIES OF CERTIFICATES WILL
BE PURSUANT TO CERTAIN LIMITED REPRESENTATIONS AND WARRANTIES MADE BY THE
COMPANY OR AS OTHERWISE DESCRIBED IN THE RELATED PROSPECTUS SUPPLEMENT. THE
MASTER SERVICER (THE "MASTER SERVICER") FOR EACH SERIES OF CERTIFICATES WILL
BE IDENTIFIED IN THE RELATED PROSPECTUS SUPPLEMENT. THE PRINCIPAL OBLIGATIONS
OF THE MASTER SERVICER WILL BE ITS CONTRACTUAL SERVICING OBLIGATIONS (WHICH
INCLUDE ITS LIMITED OBLIGATION TO MAKE CERTAIN ADVANCES IN THE EVENT OF
DELINQUENCIES IN PAYMENTS ON THE MORTGAGE LOANS). SEE "DESCRIPTION OF THE
CERTIFICATES."
 
If so specified in the related Prospectus Supplement, the Trust Fund for a
series of Certificates may include any one or any combination of a mortgage
pool insurance policy, letter of credit, bankruptcy bond, special hazard
insurance policy, reserve fund, certificate insurance policy, surety bond or
other form of credit support. In addition to or in lieu of the foregoing,
credit enhancement may be provided by means of subordination. See "Description
of Credit Enhancement."
 
The rate of payment of principal of each class of Certificates entitled to a
portion of principal payments on the Mortgage Loans will depend on the
priority of payment of such class and the rate and timing of principal
payments (including prepayments, defaults, liquidations and repurchases) on
the Mortgage Loans and other assets in the Trust Fund. A rate of principal
payment lower or higher than that anticipated may affect the yield on each
class of Certificates in the manner described herein and in the related
Prospectus Supplement. See "Yield Considerations."
 
FOR A DISCUSSION OF SIGNIFICANT MATTERS AFFECTING INVESTMENTS IN THE
CERTIFICATES, SEE "RISK FACTORS," COMMENCING HEREIN ON PAGE 9.
 
One or more separate elections may be made to treat a Trust Fund as a "real
estate mortgage investment conduit" (a "REMIC") for federal income tax
purposes. The Prospectus Supplement for a series of Certificates will specify
which class or classes of the related series of Certificates will be
considered to be regular interests in the related REMIC and which class of
Certificates or other interests will be designated as the residual interest in
the related REMIC, if applicable. See "Certain Federal Income Tax
Consequences."
 
PROCEEDS OF THE ASSETS IN THE TRUST FUND ARE THE SOLE SOURCE OF PAYMENTS ON
THE CERTIFICATES. THE CERTIFICATES DO NOT REPRESENT AN INTEREST IN OR
OBLIGATION OF THE COMPANY, THE MASTER SERVICER, GMAC MORTGAGE CORPORATION
("GMAC MORTGAGE") OR ANY OF THEIR AFFILIATES. NEITHER THE CERTIFICATES NOR THE
UNDERLYING MORTGAGE LOANS OR MORTGAGE SECURITIES WILL BE GUARANTEED OR INSURED
BY ANY GOVERNMENTAL AGENCY OR INSTRUMENTALITY OR BY THE COMPANY, THE MASTER
SERVICER, GMAC MORTGAGE OR ANY OF THEIR AFFILIATES.
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS
A CRIMINAL OFFENSE.
 
Offers of the Certificates may be made through one or more different methods,
including offerings through underwriters, as described under "Methods of
Distribution" and in the related Prospectus Supplement. There will be no
secondary market for any series of Certificates prior to the offering thereof.
There can be no assurance that a secondary market for any of the Certificates
will develop or, if it does develop, that it will continue. The Certificates
will not be listed on any securities exchange.
 
Retain this Prospectus for future reference. This Prospectus may not be used
to consummate sales of securities offered hereby unless accompanied by a
Prospectus Supplement.
                                --------------
The date of this Prospectus is June 21, 1996.
<PAGE>
 
                            ADDITIONAL INFORMATION
 
  The Company has filed with the Commission a Registration Statement under the
Securities Act of 1933, as amended, with respect to the Certificates (the
"REGISTRATION STATEMENT"). The Company is also subject to certain of the
information requirements of the Securities Exchange Act of 1934, as amended
(the "EXCHANGE ACT"), and, accordingly, will file reports thereunder with the
Commission. The Registration Statement and the exhibits thereto, and reports
and other information filed by the Company pursuant to the Exchange Act can be
inspected and copied at the public reference facilities maintained by the
Commission at 450 Fifth Street, N.W., Washington, D.C. 20549, and at certain
of its Regional Offices located as follows: Midwest Regional Office, Citicorp
Center, 500 West Madison Street, Suite 1400, Chicago, Illinois 60661-2511; and
Northeast Regional Office, 7 World Trade Center, Suite 1300, New York, New
York 10048. Copies of such material can also be obtained from the Public
Reference Section of the Commission, 450 Fifth Street, N.W., Washington, D.C.
20549, at prescribed rates.
 
                         REPORTS TO CERTIFICATEHOLDERS
 
  Monthly reports which contain information concerning the Trust Fund for a
series of Certificates will be sent by or on behalf of the Master Servicer or
the Trustee to each holder of record of the Certificates of the related
series. See "Description of the Certificates--Reports to Certificateholders."
The Company will file with the Commission such periodic reports with respect
to the Trust Fund for a series of Certificates as are required under the
Exchange Act.
 
               INCORPORATION OF CERTAIN INFORMATION BY REFERENCE
 
  With respect to each series of Certificates offered hereby, there are
incorporated herein and in the related Prospectus Supplement by reference all
documents and reports filed or caused to be filed by the Company pursuant to
Section 13(a), 13(c), 14 or 15(d) of the Exchange Act, prior to the
termination of the offering of the related series of Certificates, that relate
specifically to such related series of Certificates. The Company will provide
or cause to be provided without charge to each person to whom this Prospectus
and related Prospectus Supplement is delivered in connection with the offering
of one or more classes of such series of Certificates, upon written or oral
request of such person, a copy of any or all such reports incorporated herein
by reference, in each case to the extent such reports relate to one or more of
such classes of such series of Certificates, other than the exhibits to such
documents, unless such exhibits are specifically incorporated by reference in
such documents. Requests should be directed in writing to Residential Funding
Mortgage Securities I, Inc., 8400 Normandale Lake Boulevard, Suite 700,
Minneapolis, Minnesota 55437, or by telephone at (612) 832-7000.
 
                                       2
<PAGE>
 
  No dealer, salesman, or any other person has been authorized to give any
information, or to make any representations, other than those contained in
this Prospectus or the related Prospectus Supplement and, if given or made,
such information or representations must not be relied upon as having been
authorized by the Company or any dealer, salesman, or any other person.
Neither the delivery of this Prospectus or the related Prospectus Supplement
nor any sale made hereunder or thereunder shall under any circumstances create
an implication that there has been no change in the information herein or
therein since the date hereof. This Prospectus and the related Prospectus
Supplement are not an offer to sell or a solicitation of an offer to buy any
security in any jurisdiction in which it is unlawful to make such offer or
solicitation.
 
                               TABLE OF CONTENTS
<TABLE>
<S>                                                                          <C>
ADDITIONAL INFORMATION......................................................   2
REPORTS TO CERTIFICATEHOLDERS...............................................   2
INCORPORATION OF CERTAIN INFORMATION BY REFERENCE...........................   2
SUMMARY OF PROSPECTUS.......................................................   4
RISK FACTORS................................................................   9
 Limited Liquidity..........................................................   9
 Limited Obligations........................................................   9
 Limitations, Reduction and Substitution of Credit Enhancement..............   9
 Investment in the Mortgage Loans...........................................  10
 Yield and Prepayment Considerations........................................  10
THE MORTGAGE POOLS..........................................................  11
 General....................................................................  11
 The Mortgage Loans.........................................................  12
MORTGAGE LOAN PROGRAM.......................................................  16
 Underwriting Standards.....................................................  16
 Qualifications of Sellers..................................................  19
 Representations by Sellers.................................................  19
 Subservicing...............................................................  23
DESCRIPTION OF THE CERTIFICATES.............................................  25
 General....................................................................  25
 Form of Certificates.......................................................  26
 Assignment of Trust Fund Assets............................................  28
 Review of Mortgage Loans...................................................  28
 Spread.....................................................................  30
 Payments on Mortgage Loans; Deposits to Certificate Account................  30
 Withdrawals from the Custodial Account.....................................  33
 Distributions..............................................................  34
 Principal and Interest on the Certificates.................................  34
 Example of Distributions...................................................  35
 Advances...................................................................  36
 Prepayment Interest Shortfalls.............................................  37
 Reports to Certificateholders..............................................  37
 Collection and Other Servicing Procedures..................................  38
 Realization Upon Defaulted Mortgage Loans..................................  40
SUBORDINATION...............................................................  41
DESCRIPTION OF CREDIT ENHANCEMENT...........................................  43
 General....................................................................  43
 Letters of Credit..........................................................  45
 Mortgage Pool Insurance Policies...........................................  45
 Special Hazard Insurance Policies..........................................  46
 Bankruptcy Bonds...........................................................  47
 Reserve Funds..............................................................  47
 Certificate Insurance Policies; Surety Bonds...............................  48
</TABLE>
<TABLE>
<S>                                                                          <C>
 Maintenance of Credit Enhancement..........................................  48
 Reduction or Substitution of Credit Enhancement............................  49
PURCHASE OBLIGATIONS........................................................  50
INSURANCE POLICIES ON MORTGAGE LOANS........................................  50
 Primary Mortgage Insurance Policies........................................  50
 Standard Hazard Insurance on Mortgaged Properties..........................  51
THE COMPANY.................................................................  52
RESIDENTIAL FUNDING CORPORATION.............................................  53
THE POOLING AND SERVICING AGREEMENT.........................................  53
 Servicing and Other Compensation and Payment of Expenses...................  53
 Evidence as to Compliance..................................................  54
 Certain Matters Regarding the Master Servicer and the Company..............  54
 Events of Default..........................................................  55
 Rights Upon Event of Default...............................................  56
 Amendment..................................................................  56
 Termination; Retirement of Certificates....................................  57
 The Trustee................................................................  58
YIELD CONSIDERATIONS........................................................  58
MATURITY AND PREPAYMENT CONSIDERATIONS......................................  61
CERTAIN LEGAL ASPECTS OF MORTGAGE LOANS.....................................  62
 The Mortgage Loans.........................................................  63
 Tax Aspects of Cooperative Ownership.......................................  64
 Environmental Legislation..................................................  70
 Soldiers' and Sailors' Civil Relief Act of 1940............................  70
 Default Interest and Limitations on Prepayments............................  70
 Forfeitures in Drug and RICO Proceedings...................................  71
CERTAIN FEDERAL INCOME TAX CONSEQUENCES.....................................  71
 General....................................................................  71
 REMICs.....................................................................  72
STATE AND OTHER TAX CONSEQUENCES............................................  88
ERISA CONSIDERATIONS........................................................  88
 Plan Asset Regulations.....................................................  89
 Prohibited Transaction Exemption...........................................  89
 Tax-Exempt Investors.......................................................  91
 Consultation with Counsel..................................................  92
LEGAL INVESTMENT MATTERS....................................................  92
USE OF PROCEEDS.............................................................  93
METHODS OF DISTRIBUTION.....................................................  93
LEGAL MATTERS...............................................................  94
FINANCIAL INFORMATION.......................................................  94
INDEX OF PRINCIPAL DEFINITIONS..............................................  95
</TABLE>
 
                                       3
<PAGE>
 
                             SUMMARY OF PROSPECTUS
 
  The following summary is qualified in its entirety by reference to the
detailed information appearing elsewhere in this Prospectus and by reference to
the information with respect to each series of Certificates contained in the
Prospectus Supplement to be prepared and delivered in connection with the
offering of such series. Capitalized terms used in this summary that are not
otherwise defined shall have the meanings ascribed thereto in this Prospectus.
An index indicating where certain terms used herein are defined appears at the
end of this Prospectus.
 
Securities Offered..........  Mortgage Pass-Through Certificates.
 
Company.....................  Residential Funding Mortgage Securities I, Inc.
                              See "The Company."
 
Master Servicer.............  The entity identified as Master Servicer in the
                              related Prospectus Supplement, which may be
                              Residential Funding Corporation, an affiliate of
                              the Company ("RESIDENTIAL FUNDING"). See
                              "Residential Funding Corporation" and "The
                              Pooling and Servicing Agreement--Certain Matters
                              Regarding the Master Servicer and the Company."
 
Trustee.....................  The trustee (the "TRUSTEE") for each series of
                              Certificates will be specified in the related
                              Prospectus Supplement.
 
Certificates................  Each series of Certificates will represent in the
                              aggregate the entire beneficial ownership
                              interest, excluding any interest retained by the
                              Company or any other entity specified in the
                              related Prospectus Supplement, in a pool (the
                              "MORTGAGE POOL") of certain Mortgage Loans or
                              interests therein (which may include Mortgage
                              Securities as defined herein), and certain other
                              assets as described below. Each series of
                              Certificates will be issued pursuant to a pooling
                              and servicing agreement among the Company, the
                              Trustee and the Master Servicer (each, a "POOLING
                              AND SERVICING AGREEMENT"). As specified in the
                              related Prospectus Supplement, each series of
                              Certificates, or class of Certificates in the
                              case of a series consisting of two or more
                              classes, may have a stated principal balance, no
                              stated principal balance or a notional amount and
                              may be entitled to distributions of interest
                              based on a specified interest rate or rates
                              (each, a "PASS-THROUGH RATE"). Each series or
                              class of Certificates may have a different Pass-
                              Through Rate, which may be a fixed, variable or
                              adjustable Pass-Through Rate, or any combination
                              of two or more of such Pass-Through Rates. The
                              related Prospectus Supplement will specify the
                              Pass-Through Rate or Rates for each series or
                              class of Certificates, or the initial Pass-
                              Through Rate or Rates and the method for
                              determining subsequent changes to the Pass-
                              Through Rate or Rates.
 
                              A series may include one or more classes of
                              Certificates (each, a "STRIP CERTIFICATE")
                              entitled to (i) principal distributions, with
                              disproportionate, nominal or no interest
                              distributions, or (ii) interest distributions,
                              with disproportionate, nominal or no principal
 
                                       4
<PAGE>
 
                              distributions. In addition, a series may include
                              classes of Certificates which differ as to
                              timing, sequential order, priority of payment,
                              Pass-Through Rate or amount of distributions of
                              principal or interest or both, or as to which
                              distributions of principal or interest or both on
                              any class may be made upon the occurrence of
                              specified events, in accordance with a schedule
                              or formula, or on the basis of collections from
                              designated portions of the Mortgage Pool. In
                              addition, a series may include one or more
                              classes of Certificates ("ACCRUAL CERTIFICATES"),
                              as to which certain accrued interest will not be
                              distributed but rather will be added to the
                              principal balance thereof in the manner described
                              in the related Prospectus Supplement. One or more
                              classes of Certificates in a series may be
                              entitled to receive principal payments pursuant
                              to an amortization schedule under the
                              circumstances described in the related Prospectus
                              Supplement.
 
                              If so specified in the related Prospectus
                              Supplement, a series of Certificates may include
                              one or more classes of Certificates
                              (collectively, the "SENIOR CERTIFICATES") which
                              are senior to one or more classes of Certificates
                              (collectively, the "SUBORDINATE CERTIFICATES") in
                              respect of certain distributions of principal and
                              interest and allocations of losses on the
                              Mortgage Loans. See "Subordination." If so
                              specified in the related Prospectus Supplement, a
                              series of Certificates may include one or more
                              classes of Certificates (collectively, the
                              "MEZZANINE CERTIFICATES") which are Subordinate
                              Certificates but which are senior to other
                              classes of Subordinate Certificates in respect of
                              such distributions or losses. In addition,
                              certain classes of Senior Certificates may be
                              senior to other classes of Senior Certificates in
                              respect of such distributions or losses. The
                              Certificates will be issued in fully-registered
                              certificated or book-entry form in the authorized
                              denominations specified in the related Prospectus
                              Supplement. See "Description of the
                              Certificates."
 
                              Neither the Certificates nor the underlying
                              Mortgage Loans or Mortgage Securities will be
                              guaranteed or insured by any governmental agency
                              or instrumentality or by the Company, the Master
                              Servicer, GMAC Mortgage or any of their
                              affiliates.
 
Mortgage Pools..............  Unless otherwise specified in the related
                              Prospectus Supplement, each Trust Fund will
                              consist primarily of Mortgage Loans or interests
                              therein secured by first liens on one- to four-
                              family residential properties, located in any one
                              of the 50 states, the District of Columbia or the
                              Commonwealth of Puerto Rico (the "MORTGAGED
                              PROPERTIES"). All Mortgage Loans will have been
                              purchased by the Company, either directly or
                              through Residential Funding, from mortgage loan
                              originators or sellers who, as specified in the
                              related Prospectus Supplement, may or may not be
                              affiliated with the Company including GMAC
                              Mortgage Corporation of PA and Homecomings
                              Financial Network, Inc., each affiliates of the
 
                                       5
<PAGE>
 
                              Company. See "Mortgage Loan Program." For a
                              description of the types of Mortgage Loans that
                              may be included in the Mortgage Pools, see "The
                              Mortgage Pools--The Mortgage Loans."
 
                              If specified in the related Prospectus
                              Supplement, Mortgage Loans which are converting
                              or converted from an adjustable-rate to a fixed-
                              rate or certain Mortgage Loans for which the
                              Mortgage Rate has been reset may be repurchased
                              by the Company or purchased by the applicable
                              Subservicer, Residential Funding or another
                              party, or a designated remarketing agent will use
                              its best efforts to arrange the sale thereof as
                              described herein.
 
                              If specified in the related Prospectus
                              Supplement, a Trust Fund may include mortgage
                              pass-through certificates evidencing interests in
                              Mortgage Loans ("MORTGAGE SECURITIES"), as
                              described herein. See "The Mortgage Pools--
                              General" herein.
 
Interest Distributions......  Except as otherwise specified herein or in the
                              related Prospectus Supplement, interest on each
                              class of Certificates of each series, other than
                              Strip Certificates or Accrual Certificates (prior
                              to the time when accrued interest becomes payable
                              thereon), will be remitted at the applicable
                              Pass-Through Rate on the outstanding principal
                              balance of such class, on the 25th day (or, if
                              such day is not a business day, the next business
                              day) of each month, commencing with the month
                              following the month in which the Cut-off Date (as
                              defined in the applicable Prospectus Supplement)
                              occurs (each, a "DISTRIBUTION DATE"). If the
                              Prospectus Supplement so specifies, interest
                              distributions on any class of Certificates may be
                              reduced on account of negative amortization on
                              the Mortgage Loans, with the Deferred Interest
                              (as defined herein) allocable to such class added
                              to the principal balance thereof, which Deferred
                              Interest will thereafter bear interest at the
                              applicable Pass-Through Rate. Distributions, if
                              any, with respect to interest on Strip
                              Certificates will be made on each Distribution
                              Date as described herein and in the related
                              Prospectus Supplement. See "Description of the
                              Certificates--Distributions." Strip Certificates
                              that are entitled to distributions of principal
                              only will not receive distributions in respect of
                              interest. Interest that has accrued but is not
                              yet payable on any Accrual Certificates will be
                              added to the principal balance of such class on
                              the related Distribution Date, and will
                              thereafter bear interest at the applicable Pass-
                              Through Rate. Unless otherwise specified in the
                              related Prospectus Supplement, distributions of
                              interest with respect to any series of
                              Certificates (or accruals thereof in the case of
                              Accrual Certificates), or with respect to one or
                              more classes included therein, may be reduced to
                              the extent of interest shortfalls not covered by
                              advances or the applicable form of credit
                              support, including any Prepayment Interest
                              Shortfalls. See "Description of the Certificates"
                              and "Maturity and Prepayment Considerations."
 
Principal Distributions.....  Except as otherwise specified in the related
                              Prospectus Supplement, principal distributions on
                              the Certificates of each series will be
 
                                       6
<PAGE>
 
                              payable on each Distribution Date, commencing
                              with the Distribution Date in the month following
                              the month in which the Cut-off Date occurs, to
                              the holders of the Certificates of such series,
                              or of the class or classes of Certificates then
                              entitled thereto, on a pro rata basis among all
                              such Certificates or among the Certificates of
                              any such class, in proportion to their respective
                              outstanding principal balances, or the percentage
                              interests represented by such class, in the
                              priority and manner specified in the related
                              Prospectus Supplement. Strip Certificates with no
                              principal balance will not receive distributions
                              in respect of principal. Distributions of
                              principal with respect to any class of
                              Certificates, may be reduced to the extent of
                              certain delinquencies not covered by advances or
                              losses not covered by the applicable form of
                              credit enhancement. See "The Mortgage Pools,"
                              "Maturity and Prepayment Considerations" and
                              "Description of the Certificates."
 
Yield and Prepayment          The Mortgage Loans supporting a series of
Considerations..............  Certificates will have unique characteristics
                              that will affect the yield to maturity and the
                              rate of payment of principal on such
                              Certificates. See "Yield Considerations" and
                              "Maturity and Prepayment Considerations" herein
                              and in the related Prospectus Supplement.
 
Credit Enhancement..........  If so specified in the related Prospectus
                              Supplement, the Trust Fund with respect to any
                              series of Certificates may include any one or any
                              combination of a letter of credit, mortgage pool
                              insurance policy, special hazard insurance
                              policy, bankruptcy bond, reserve fund,
                              certificate insurance policy, surety bond or
                              other type of credit support to provide partial
                              coverage for certain defaults and losses relating
                              to the Mortgage Loans. Credit support also may be
                              provided in the form of subordination of one or
                              more classes of Certificates in a series under
                              which certain losses are first allocated to any
                              Subordinate Certificates up to a specified limit
                              or in the form of Overcollateralization. Any form
                              of credit enhancement typically will have certain
                              limitations and exclusions from coverage
                              thereunder, which will be described in the
                              related Prospectus Supplement. Losses not covered
                              by any form of credit enhancement will be borne
                              by the holders of the related Certificates (or
                              certain classes thereof). To the extent not set
                              forth herein, the amount and types of coverage,
                              the identification of any entity providing the
                              coverage, the terms of any subordination and
                              related information will be set forth in the
                              Prospectus Supplement relating to a series of
                              Certificates. See "Description of Credit
                              Enhancement" and "Subordination."
 
Advances....................  Unless otherwise specified in the related
                              Prospectus Supplement, the Master Servicer will
                              be obligated (pursuant to the terms of the
                              related Mortgage Securities, if applicable) to
                              make certain advances with respect to delinquent
                              scheduled payments on the Mortgage Loans, but
                              only to the extent that the Master Servicer
                              believes that such amounts will be recoverable by
                              it. Any advance made by the Master Servicer with
                              respect to a Mortgage Loan is recoverable by it
                              as provided herein under "Description of the
                              Certificates--
 
                                       7
<PAGE>
 
                              Advances" either from recoveries on the specific
                              Mortgage Loan or, with respect to any advance
                              subsequently determined to be nonrecoverable, out
                              of funds otherwise distributable to the holders
                              of the related series of Certificates.
 
Optional Termination........  The Master Servicer, the Company or, if specified
                              in the related Prospectus Supplement, the holder
                              of the residual interest in a REMIC may at its
                              option either (i) effect early retirement of a
                              series of Certificates through the purchase of
                              the assets in the related Trust Fund or (ii)
                              purchase, in whole but not in part, the
                              Certificates specified in the related Prospectus
                              Supplement; in each case under the circumstances
                              and in the manner set forth herein under "The
                              Pooling and Servicing Agreement--Termination;
                              Retirement of Certificates" and in the related
                              Prospectus Supplement.
 
Rating......................  At the date of issuance, as to each series, each
                              class of Certificates offered hereby will be
                              rated, at the request of the Company, in one of
                              the four highest rating categories by one or more
                              nationally recognized statistical rating agencies
                              (each, a "RATING AGENCY"). See "Ratings" in the
                              related Prospectus Supplement.
 
Legal Investment............  Unless otherwise specified in the related
                              Prospectus Supplement, each class of Certificates
                              offered hereby and by the related Prospectus
                              Supplement that is rated in one of the two
                              highest rating categories by at least one Rating
                              Agency will constitute "mortgage related
                              securities" for purposes of the Secondary
                              Mortgage Market Enhancement Act of 1984, as
                              amended ("SMMEA"), for so long as it sustains
                              such a rating. See "Legal Investment Matters."
 
ERISA Considerations........  A fiduciary of an employee benefit plan and
                              certain other plans and arrangements, including
                              individual retirement accounts and annuities,
                              Keogh plans, and collective investment funds,
                              insurance company general or separate accounts
                              and certain other entities in which such plans,
                              accounts, annuities or arrangements are invested,
                              which is subject to the Employee Retirement
                              Income Security Act of 1974, as amended
                              ("ERISA"), or Section 4975 of the Internal
                              Revenue Code of 1986 (the "CODE"), and any other
                              person contemplating purchasing a Certificate
                              with Plan Assets (as defined herein), should
                              carefully review with its legal counsel whether
                              the purchase or holding of Certificates could
                              give rise to a transaction that is prohibited or
                              is not otherwise permissible either under ERISA
                              or Section 4975 of the Code. See "ERISA
                              Considerations" herein and in the related
                              Prospectus Supplement.
 
Certain Federal Income Tax
 Consequences...............  Certificates of each series offered hereby will
                              constitute "regular interests" or "residual
                              interests" in a Trust Fund, or a portion thereof,
                              treated as a REMIC under Sections 860A through
                              860G of the Code, unless otherwise specified in
                              the related Prospectus Supplement. See "Certain
                              Federal Income Tax Consequences" herein and in
                              the related Prospectus Supplement.
 
                                       8
<PAGE>
 
                                 RISK FACTORS
 
  Investors should consider, among other things, the following factors in
connection with the purchase of the Certificates:
 
  Limited Liquidity. There can be no assurance that a secondary market for the
Certificates of any series will develop or, if it does develop, that it will
provide Certificateholders with liquidity of investment or that it will
continue for the life of the Certificates of any series. The Prospectus
Supplement for any series of Certificates may indicate that an underwriter
specified therein intends to establish a secondary market in such
Certificates, however no underwriter will be obligated to do so. The
Certificates will not be listed on any securities exchange.
 
  Limited Obligations. The Certificates will not represent an interest in or
obligation of the Company, the Master Servicer, GMAC Mortgage or any of their
affiliates. The only obligations of the foregoing entities with respect to the
Certificates, the Mortgage Loans or any Mortgage Securities will be the
obligations (if any) of the Company and the Master Servicer pursuant to
certain limited representations and warranties made with respect to the
Mortgage Loans, the Master Servicer's servicing obligations under the related
Pooling and Servicing Agreement (including its limited obligation to make
certain Advances) and pursuant to the terms of any Mortgage Securities, and,
if and to the extent expressly described in the related Prospectus Supplement,
certain limited obligations of the Master Servicer in connection with a
Purchase Obligation or an agreement to purchase or act as remarketing agent
with respect to a Convertible Mortgage Loan upon conversion to a fixed rate.
If an affiliate of the Company has originated any Mortgage Loan, such
affiliate will only have an obligation with respect to the representations and
warranties of the Seller, as described herein. Neither the Certificates nor
the underlying Mortgage Loans or Mortgage Securities will be guaranteed or
insured by any governmental agency or instrumentality, or by the Company, the
Master Servicer, GMAC Mortgage or any of their affiliates. Proceeds of the
assets included in the related Trust Fund (including the Mortgage Loans or
Mortgage Securities and any form of credit enhancement) will be the sole
source of payments on the Certificates, and there will be no recourse to the
Company, the Master Servicer, GMAC Mortgage or any other entity in the event
that such proceeds are insufficient or otherwise unavailable to make all
payments provided for under the Certificates.
 
  Limitations, Reduction and Substitution of Credit Enhancement. With respect
to each series of Certificates, credit enhancement may be provided in limited
amounts to cover certain types of losses on the underlying Mortgage Loans.
Credit enhancement will be provided in one or more of the forms referred to
herein, including, but not limited to: subordination of other classes of
Certificates of the same series; a Letter of Credit; a Purchase Obligation; a
Mortgage Pool Insurance Policy; a Special Hazard Insurance Policy; a
Bankruptcy Bond; a Reserve Fund; a Certificate Insurance Policy; a Surety
Bond; Overcollateralization or any combination thereof. See "Subordination"
and "Description of Credit Enhancement" herein. Regardless of the form of
credit enhancement provided, the amount of coverage will be limited in amount
and in most cases will be subject to periodic reduction in accordance with a
schedule or formula. Furthermore, such credit enhancement may provide only
very limited coverage as to certain types of losses or risks, and may provide
no coverage as to certain other types of losses or risks. In the event losses
exceed the amount of coverage provided by any credit enhancement or losses of
a type not covered by any credit enhancement occur, such losses will be borne
by the holders of the related Certificates (or certain classes thereof). The
Master Servicer will generally be permitted to reduce, terminate or substitute
all or a portion of the credit enhancement for any series of Certificates, if
the applicable Rating Agency, as set forth in the related Prospectus
Supplement, indicates that the then-current rating thereof will not be
adversely affected. The rating of any series of Certificates by any Rating
Agency may be lowered following the initial issuance thereof as a result of
the downgrading or nonperformance of the obligations of any applicable credit
support provider, or as a result of losses on the related Mortgage Loans in
excess of the levels contemplated by such Rating Agency at the time of its
initial rating analysis. None of the Company, the Master Servicer, GMAC
Mortgage or any of their affiliates will have any obligation to replace or
supplement any credit enhancement, or to take any other action to maintain any
rating of any series of Certificates. See "Description of Credit Enhancement--
Reduction or Substitution of Credit Enhancement."
 
 
                                       9
<PAGE>
 
  Investment in the Mortgage Loans. An investment in securities such as the
Certificates which generally represent interests in mortgage loans may be
affected by, among other things, a decline in real estate values and changes
in the borrowers' financial condition. No assurance can be given that values
of the Mortgaged Properties have remained or will remain at their levels on
the dates of origination of the related Mortgage Loans. If the residential
real estate market should experience an overall decline in property values
such that the outstanding balances of the Mortgage Loans, and any secondary
financing on the Mortgaged Properties, in a particular Mortgage Pool become
equal to or greater than the value of the Mortgaged Properties, the actual
rates of delinquencies, foreclosures and losses could be higher than those now
generally experienced in the mortgage lending industry. In addition, in the
case of Mortgage Loans that are subject to negative amortization, due to the
addition to principal balance of Deferred Interest, the principal balances of
such Mortgage Loans could be increased to an amount equal to or in excess of
the value of the underlying Mortgaged Properties, thereby increasing the
likelihood of default. To the extent that such losses are not covered by the
applicable credit enhancement, holders of Certificates and the owner of the
Excess Spread, if any, of the series evidencing interests in the related
Mortgage Pool will bear all risk of loss resulting from default by the
borrowers under the Mortgage Loans (each, a "Mortgagor") and will have to look
primarily to the value of the Mortgaged Properties for recovery of the
outstanding principal and unpaid interest on the defaulted Mortgage Loans.
Certain of the types of loans which may be included in the Mortgage Pools may
involve additional uncertainties not present in traditional types of loans.
For example, certain of the Mortgage Loans provide for escalating or variable
payments by the Mortgagor, as to which the Mortgagor is generally qualified on
the basis of the initial payment amount. In some instances, the Mortgagors may
not be able to make their loan payments as such payments increase and thus the
likelihood of default will increase. In addition to the foregoing, certain
geographic regions of the United States from time to time will experience
weaker regional economic conditions and housing markets, and, consequently,
will experience higher rates of loss and delinquency than will be experienced
on mortgage loans generally. For example, a region's economic condition and
housing market may be directly, or indirectly, adversely affected by natural
disasters or civil disturbances such as earthquakes, hurricanes, floods,
eruptions or riots. The economic impact of any of these types of events may
also be felt in areas beyond the region immediately affected by the disaster
or disturbance. The Mortgage Loans underlying certain series of Certificates
may be concentrated in these regions, and such concentration may present risk
considerations in addition to those generally present for similar mortgage-
backed securities without such concentration. Moreover, as described below,
any Mortgage Loan for which a breach of a representation or warranty exists
will remain in the related Trust Fund in the event that a Seller is unable, or
disputes its obligation, to repurchase such Mortgage Loan and such a breach
does not also constitute a breach of a representation made by Residential
Funding, the Company or the Master Servicer. In such event, any resulting
losses generally will be borne by the related form of credit enhancement, to
the extent available.
 
  Yield and Prepayment Considerations. The yield to maturity of the
Certificates of each series will depend on the rate and timing of principal
payments (including prepayments, liquidations due to defaults, and repurchases
due to conversion of ARM Loans to fixed interest rate loans or breaches of
representations and warranties) on the Mortgage Loans and the price paid by
Certificateholders. Such yield may be adversely affected by a higher or lower
than anticipated rate of prepayments on the related Mortgage Loans or by the
obtaining of secondary financing by the Mortgagor. The yield to maturity on
Strip Certificates will be extremely sensitive to the rate of prepayments on
the related Mortgage Loans. In addition, the yield to maturity on certain
other types of classes of Certificates, including Accrual Certificates,
Certificates with a Pass-Through Rate which fluctuates inversely with an index
or certain other classes in a series including more than one class of
Certificates, may be relatively more sensitive to the rate of prepayment on
the related Mortgage Loans than other classes of Certificates. Prepayments are
influenced by a number of factors, including prevailing mortgage market
interest rates, local and regional economic conditions and homeowner mobility.
See "Yield Considerations" and "Maturity and Prepayment Considerations"
herein.
 
                                      10
<PAGE>
 
                              THE MORTGAGE POOLS
 
GENERAL
 
  Unless otherwise specified in the related Prospectus Supplement, each
Mortgage Pool will consist primarily of conventional Mortgage Loans, excluding
any interest retained by the Company or any other entity specified in the
related Prospectus Supplement, evidenced by promissory notes (the "MORTGAGE
NOTES") secured by first mortgages or first deeds of trust or other similar
security instruments creating a first lien on one- to four-family residential
properties, or interests in such Mortgage Loans (which may include Mortgage
Securities). The Mortgaged Properties will consist primarily of owner-occupied
attached or detached one-family dwelling units, two- to four-family dwelling
units, condominiums, townhouses, row houses, individual units in planned-unit
developments and certain other dwelling units, and the fee, leasehold or other
interests in the underlying real property. The Mortgaged Properties may
include vacation, second and non-owner-occupied homes. If specified in the
related Prospectus Supplement relating to a series of Certificates, a Mortgage
Pool may contain cooperative apartment loans ("COOPERATIVE LOANS") evidenced
by promissory notes ("COOPERATIVE NOTES") secured by security interests in
shares issued by cooperatives and in the related proprietary leases or
occupancy agreements granting exclusive rights to occupy specific dwelling
units in the related buildings. As used herein, unless the context indicates
otherwise, "Mortgage Loans" includes Cooperative Loans, "Mortgaged Properties"
includes shares in the related cooperative and the related proprietary leases
or occupancy agreements securing Cooperative Notes, "Mortgage Notes" includes
Cooperative Notes and "MORTGAGES" includes a security agreement with respect
to a Cooperative Note.
 
  If specified in the related Prospectus Supplement, a Mortgage Pool will
contain Mortgage Loans that, in addition to being secured by the related
Mortgaged Properties, are secured by other collateral owned by the related
Mortgagors or are supported by third-party guarantees secured by collateral
owned by the related guarantors. Such Mortgage Loans are collectively referred
to herein as "ADDITIONAL COLLATERAL LOANS," and such collateral is
collectively referred to herein as "ADDITIONAL COLLATERAL." Additional
Collateral may consist of marketable securities, insurance policies,
annuities, certificates of deposit, cash, accounts or other personal property
and, in the case of Additional Collateral owned by any guarantor, may consist
of real estate. Unless otherwise specified in the related Prospectus
Supplement, the security agreements and other similar security instruments
related to the Additional Collateral for a Mortgage Pool will, in the case of
Additional Collateral consisting of personal property, create first liens
thereon, and, in the case of Additional Collateral consisting of real estate,
create first or second liens thereon. Additional Collateral, or the liens
thereon in favor of the related Additional Collateral Loans, may be greater or
less in value than the principal balances of such Additional Collateral Loans,
the Appraised Values of the underlying Mortgaged Properties or the
differences, if any, between such principal balances and such Appraised
Values, and the requirements that Additional Collateral be maintained may be
terminated upon the reduction of the Loan-to-Value Ratios or principal
balances of the related Additional Collateral Loans to certain pre-determined
amounts. Additional Collateral (including any related third-party guarantees)
may be provided either in addition to or in lieu of Primary Insurance Policies
for the Additional Collateral Loans in a Mortgage Pool, as specified in the
related Prospectus Supplement. Guarantees supporting Additional Collateral
Loans may be guarantees of payment or guarantees of collectability and may be
full guarantees or limited guarantees. If a Mortgage Pool includes Additional
Collateral Loans, the related Prospectus Supplement will specify the nature
and extent of such Additional Collateral Loans and of the related Additional
Collateral. If specified in such Prospectus Supplement, the Trustee, on behalf
of the related Certificateholders, will have only the right to receive certain
proceeds from the disposition of any such Additional Collateral consisting of
personal property and the liens thereon will not be assigned to the Trustee.
No assurance can be given that values of the Additional Collateral have
remained or will remain at their levels on the Cut-off Date or as to the
timing of collections thereunder from the disposition of such Additional
Collateral. No assurance can be given as to the amount of proceeds, if any,
that might be realized from the disposition of the Additional Collateral for
any of the Additional Collateral Loans. See "Certain Legal Aspects of the
Mortgage Loans and Related Matters--Anti-Deficiency Legislation and Other
Limitations on Lenders" herein.
 
  Each Mortgage Loan will be selected by the Company for inclusion in a
Mortgage Pool from among those purchased by the Company, either directly or
through its affiliates, including Residential Funding, from affiliates
 
                                      11
<PAGE>
 
of the Company including Homecomings Financial Network, Inc. and GMAC Mortgage
Corporation of PA ("AFFILIATED SELLERS"), or from banks, savings and loan
associations, mortgage bankers, investment banking firms, the FDIC and other
mortgage loan originators or sellers not affiliated with the Company
("UNAFFILIATED SELLERS"; Unaffiliated Sellers and Affiliated Sellers are
collectively referred to herein as "SELLERS"), all as described below under
"Mortgage Loan Program." If a Mortgage Pool is composed of Mortgage Loans
acquired by the Company directly from Sellers other than Residential Funding,
the related Prospectus Supplement will specify the extent of Mortgage Loans so
acquired. The characteristics of the Mortgage Loans are as described in the
related Prospectus Supplement. Other mortgage loans available for purchase by
the Company may have characteristics which would make them eligible for
inclusion in a Mortgage Pool but were not selected for inclusion in such
Mortgage Pool.
 
  Under certain circumstances, the Mortgage Loans will be delivered either
directly or indirectly to the Company by one or more Sellers identified in the
related Prospectus Supplement, concurrently with the issuance of the related
series of Certificates (a "DESIGNATED SELLER TRANSACTION"). Such Certificates
may be sold in whole or in part to any such Seller in exchange for the related
Mortgage Loans, or may be offered under any of the other methods described
herein under "Methods of Distribution." The related Prospectus Supplement for
a Mortgage Pool composed of Mortgage Loans acquired by the Company pursuant to
a Designated Seller Transaction will generally include information, provided
by the related Seller, about the Seller, the Mortgage Loans and the
underwriting standards applicable to the Mortgage Loans. None of the Company,
Residential Funding, GMAC Mortgage or any of their affiliates will make any
representation or warranty with respect to such Mortgage Loans, or any
representation as to the accuracy or completeness of such information provided
by the Seller.
 
  If specified in the related Prospectus Supplement, the Trust Fund underlying
a series of Certificates may include Mortgage Securities. The Mortgage
Securities may have been issued previously by the Company or an affiliate
thereof, a financial institution or other entity engaged generally in the
business of mortgage lending or a limited purpose corporation organized for
the purpose of, among other things, acquiring and depositing mortgage loans
into such trusts, and selling beneficial interests in such trusts. Except as
otherwise set forth in the related Prospectus Supplement, such Mortgage
Securities will be generally similar to Certificates offered hereunder. As to
any such series of Certificates, the related Prospectus Supplement will
include a description of such Mortgage Securities and any related credit
enhancement, and the Mortgage Loans underlying such Mortgage Securities will
be described together with any other Mortgage Loans included in the Mortgage
Pool relating to such series. As to any such series of Certificates, as used
herein the term "Mortgage Pool" includes the Mortgage Loans underlying such
Mortgage Securities. Notwithstanding any other reference herein to the Master
Servicer, with respect to a series of Certificates as to which the Trust Fund
includes Mortgage Securities, the entity that services and administers such
Mortgage Securities on behalf of the holders of such Certificates may be
referred to as the "MANAGER," if so specified in the related Prospectus
Supplement. Unless otherwise specified in the related Prospectus Supplement,
Residential Funding initially will act as Manager with respect to such
Mortgage Securities as well as the related Certificates, and references herein
to advances to be made and other actions to be taken by the Master Servicer in
connection with the Mortgage Loans may include such advances made and other
actions taken pursuant to the terms of such Mortgage Securities.
 
  Unless otherwise specified in the applicable Prospectus Supplement, each
series of Certificates will evidence interests in one Mortgage Pool including
Mortgage Loans having an aggregate principal balance of not less than
approximately $5,000,000 as of the Cut-off Date. Each Certificate will
evidence an interest in only the related Mortgage Pool and corresponding Trust
Fund, and not in any other Mortgage Pool or Trust Fund.
 
THE MORTGAGE LOANS
 
  Unless otherwise specified below or in the related Prospectus Supplement,
all of the Mortgage Loans in a Mortgage Pool will (i) have monthly payments
due or deemed to be due on the first of each month, (ii) be secured by
Mortgaged Properties located in any of the 50 states, the District of Columbia
or the Commonwealth of Puerto
 
                                      12
<PAGE>
 
Rico and (iii) be of only one type of the following types of mortgage loans
described or referred to in paragraphs numbered (1) through (8):
 
    (1) Fixed-rate, fully-amortizing mortgage loans (which may include
  mortgage loans converted from adjustable-rate mortgage loans or otherwise
  modified) providing for level monthly payments of principal and interest
  and terms at origination or modification of not more than 15 years;
 
    (2) Fixed-rate, fully-amortizing mortgage loans (which may include
  mortgage loans converted from adjustable-rate mortgage loans or otherwise
  modified) providing for level monthly payments of principal and interest
  and terms at origination or modification of more than 15 years, but not
  more than 30 years;
 
    (3) Fully-amortizing adjustable-rate mortgage loans ("ARM LOANS") having
  an original or modified term to maturity of not more than 30 years with a
  related interest rate (a "MORTGAGE RATE") which generally adjusts initially
  either one, three or six months, one, three, five or seven years subsequent
  to the initial payment date, and thereafter at either one, three or six-
  month, one-year or other intervals (with corresponding adjustments in the
  amount of monthly payments) over the term of the mortgage loan to equal the
  sum of a fixed percentage set forth in the related Mortgage Note (the "NOTE
  MARGIN") and an index*. The related Prospectus Supplement will set forth
  the relevant index and the highest, lowest and weighted average Note Margin
  with respect to the ARM Loans in the related Mortgage Pool. The related
  Prospectus Supplement will also indicate any periodic or lifetime
  limitations on changes in any per annum Mortgage Rate at the time of any
  adjustment. If specified in the related Prospectus Supplement, an ARM Loan
  may include a provision that allows the Mortgagor to convert the adjustable
  Mortgage Rate to a fixed rate at some point during the term of such ARM
  Loan generally not later than ten years subsequent to the initial payment
  date;
 
    (4) Negatively-amortizing adjustable-rate mortgage loans having original
  or modified terms to maturity of not more than 30 years with Mortgage Rates
  which generally adjust initially on the interest adjustment date referred
  to in the related Prospectus Supplement, and thereafter on each interest
  adjustment date to equal the sum of the Note Margin and the index. The
  scheduled monthly payment will be adjusted as and when described in the
  related Prospectus Supplement to an amount that would fully amortize the
  Mortgage Loan over its remaining term on a level debt service basis;
  provided that increases in the scheduled monthly payment may be subject to
  certain limitations as specified in the related Prospectus Supplement. If
  an adjustment to the Mortgage Rate on a Mortgage Loan causes the amount of
  interest accrued thereon in any month to exceed the scheduled monthly
  payment on such mortgage loan, the resulting amount of interest that has
  accrued but is not then payable ("DEFERRED INTEREST") will be added to the
  principal balance of such Mortgage Loan;
 
    (5) Fixed-rate, graduated payment mortgage loans having original or
  modified terms to maturity of not more than 15 years with monthly payments
  during the first year calculated on the basis of an assumed interest rate
  which is a specified percentage below the Mortgage Rate on such mortgage
  loan. Such monthly payments increase at the beginning of the second year by
  a specified percentage of the monthly payment during the preceding year and
  each year thereafter to the extent necessary to amortize the mortgage loan
  over the remainder of its 15-year term. Deferred Interest, if any, will be
  added to the principal balance of such mortgage loans;
 
    (6) Fixed-rate, graduated payment mortgage loans having original or
  modified terms to maturity of not more than 30 years with monthly payments
  during the first year calculated on the basis of an assumed interest rate
  which is a specified percentage below the Mortgage Rate. Such monthly
  payments increase at the beginning of the second year by a specified
  percentage of the monthly payment during the preceding
- --------
* The index (the "INDEX") for a particular Mortgage Pool will be specified in
the related Prospectus Supplement and may include one of the following
indexes: (i) the weekly average yield on U.S. Treasury securities adjusted to
a constant maturity of either three months, six months or one year, (ii) the
weekly auction average investment yield of U.S. Treasury bills of six months,
(iii) the daily Bank Prime Loan rate made available by the Federal Reserve
Board, (iv) the cost of funds of member institutions for the Federal Home Loan
Bank of San Francisco, or (v) the interbank offered rates for U.S. dollar
deposits in the London market, each calculated as of a date prior to each
scheduled interest rate adjustment date which will be specified in the related
Prospectus Supplement.
 
                                      13
<PAGE>
 
  year and each year thereafter to the extent necessary to fully amortize the
  mortgage loan within its 30-year term. Deferred Interest, if any, will be
  added to the principal balance of such mortgage loan;
 
    (7) Balloon mortgage loans ("BALLOON LOANS"), which are fixed-rate
  mortgage loans having original or modified terms to maturity of generally 5
  or 7 years as described in the related Prospectus Supplement, with level
  monthly payments of principal and interest based on a 30-year amortization
  schedule. The amount of the monthly payment will remain constant until the
  maturity date, upon which date the full outstanding principal balance on
  such Balloon Loan will be due and payable (such amount, the "BALLOON
  AMOUNT"); or
 
    (8) Another type of mortgage loan described in the related Prospectus
  Supplement.
 
  Certain information, including information regarding loan-to-value ratios
(each, a "LOAN-TO-VALUE RATIO") at origination (unless otherwise specified in
the related Prospectus Supplement) of the Mortgage Loans underlying each
series of Certificates, will be supplied in the related Prospectus Supplement.
In the case of purchase Mortgage Loans, the Loan-to-Value Ratio is defined
generally as the ratio, expressed as a percentage, of the principal amount of
the Mortgage Loan at origination to the lesser of (1) the appraised value
determined in an appraisal obtained at origination of such Mortgage Loan and
(2) the sales price for the related Mortgaged Property, except that in the
case of certain employee or preferred customer loans, the denominator of such
ratio may be the sales price. In the case of certain non-purchase Mortgage
Loans including refinance, modified or converted Mortgage Loans, the Loan-to-
Value Ratio at origination is defined generally as the ratio, expressed as a
percentage, of the principal amount of such Mortgage Loan to either the
appraised value determined in an appraisal obtained at the time of
refinancing, modification or conversion or, if no such appraisal has been
obtained, the value of the related Mortgaged Property which value generally
will be supported by either (i) a representation by the related Seller (as
described below) as to such value, (ii) a broker's price opinion, automated
appraisal, drive-by appraisal or other certification of value, (iii) an
appraisal obtained within twelve months prior to such refinancing,
modification or conversion or (iv) the sales price, if the Mortgaged Property
was purchased within the previous twelve months. The denominator of the ratio
described in the preceding sentence or the second preceding sentence, as the
case may be, is hereinafter referred to as the "APPRAISED VALUE." In
connection with a representation by the related Seller as to the value of the
Mortgaged Property, the Seller generally will represent and warrant that
either (i) the current value of the related Mortgaged Property at the time of
refinancing, modification or conversion was not less than the appraised value
of such property at the time of the origination of the original mortgage loan
or (ii) the current Loan-to-Value Ratio of such Mortgage Loan generally meets
the Company's underwriting guidelines. There can be no assurance that the
substance of such representation and warranty will be true. Certain Mortgage
Loans which are subject to negative amortization will have Loan-to-Value
Ratios that will increase after origination as a result of such negative
amortization. In the case of seasoned Mortgage Loans, the values used in
calculating Loan-to-Value Ratios may no longer be accurate valuations of the
Mortgaged Properties. Certain Mortgaged Properties may be located in regions
where property values have declined significantly since the time of
origination. In addition, a Loan-to-Value calculation does not take into
account any secondary financing. Under the Company's underwriting standards, a
Seller is generally permitted to provide secondary financing to a Mortgagor
contemporaneously with the origination of a Mortgage Loan, provided that the
combined Loan-to-Value Ratio is not greater than 100%. Secondary financing is
readily available and may be obtained by a Mortgagor from a lender including
the Seller at any time (including at origination).
 
  The Mortgage Loans may be "EQUITY REFINANCE" Mortgage Loans, as to which a
portion of the proceeds are used to refinance an existing mortgage loan, and
the remaining proceeds may be retained by the Mortgagor or used for purposes
unrelated to the Mortgaged Property. Alternatively, the Mortgage Loans may be
"RATE AND TERM REFINANCE" Mortgage Loans, as to which substantially all of the
proceeds (net of related costs incurred by the Mortgagor) are used to
refinance an existing mortgage loan or loans (which may include a junior lien)
primarily in order to change the interest rate or other terms thereof. The
Mortgage Loans may be mortgage loans that have been consolidated and/or have
had various terms changed, mortgage loans that have been converted from
adjustable rate mortgage loans to fixed rate mortgage loans, or construction
loans which have been converted to permanent mortgage loans. In addition, a
Mortgaged Property may be subject to secondary financing at the time of
origination of the Mortgage Loan or at any time thereafter.
 
                                      14
<PAGE>
 
  A Mortgage Pool may contain ARM Loans which allow the Mortgagors to convert
the adjustable rates on such Mortgage Loans to a fixed rate at one or more
specified periods during the life of such Mortgage Loans (each, a "CONVERTIBLE
MORTGAGE LOAN"), generally not later than ten years subsequent to the date of
origination. If specified in the related Prospectus Supplement, upon any
conversion, the Company will repurchase or Residential Funding, the applicable
Subservicer or a third party will purchase the converted Mortgage Loan as and
to the extent set forth in the related Prospectus Supplement. Alternatively,
if specified in the related Prospectus Supplement, the Company or Residential
Funding (or another party specified therein) may agree to act as remarketing
agent with respect to such converted Mortgage Loans and, in such capacity, to
use its best efforts to arrange for the sale of converted Mortgage Loans under
specified conditions. Upon the failure of any party so obligated to purchase
any such converted Mortgage Loan, the inability of any remarketing agent to
arrange for the sale of the converted Mortgage Loan and the unwillingness of
such remarketing agent to exercise any election to purchase the converted
Mortgage Loan for its own account, the related Mortgage Pool will thereafter
include both fixed rate and adjustable rate Mortgage Loans.
 
  If specified in the related Prospectus Supplement, certain of the Mortgage
Loans may be subject to temporary buydown plans ("BUY-DOWN MORTGAGE LOANS")
pursuant to which the monthly payments made by the Mortgagor during the early
years of the Mortgage Loan (the "BUY-DOWN PERIOD") will be less than the
scheduled monthly payments on the Mortgage Loan, the resulting difference to
be made up from (i) an amount (such amount, exclusive of investment earnings
thereon, being hereinafter referred to as "BUY-DOWN FUNDS") contributed by the
seller of the Mortgaged Property or another source and placed in a custodial
account (the "BUY-DOWN ACCOUNT"), (ii) if the Buy-Down Funds are contributed
on a present value basis, investment earnings on such Buy-Down Funds or (iii)
additional buydown funds to be contributed over time by the Mortgagor's
employer or another source. See "Description of the Certificates--Payments on
Mortgage Loans; Deposits to Certificate Account." Under Residential Funding's
underwriting standards, the Mortgagor under each Buy-Down Mortgage Loan will
be qualified based on the initial reduced monthly payment amount. See
"Mortgage Loan Program--Underwriting Standards" for a discussion of loss and
delinquency considerations relating to Buy-Down Mortgage Loans.
 
  The related Prospectus Supplement will provide material information
concerning the types and characteristics of the Mortgage Loans included in the
related Mortgage Pool. A Current Report on Form 8-K (a "FORM 8-K") will be
available upon request to holders of the related series of Certificates and
will be filed, together with the related Pooling and Servicing Agreement, with
the Securities and Exchange Commission (the "COMMISSION") within fifteen days
after the initial issuance of such Certificates. In the event that Mortgage
Loans are added to or deleted from the Trust Fund after the date of the
related Prospectus Supplement, such addition or deletion will be noted in the
Form 8-K.
 
  The Company will cause the Mortgage Loans constituting each Mortgage Pool
(or Mortgage Securities evidencing interests therein) to be assigned to the
Trustee named in the related Prospectus Supplement, for the benefit of the
holders of all of the Certificates of a series. The Master Servicer named in
the related Prospectus Supplement will service the Mortgage Loans, generally
through other mortgage servicing institutions ("SUBSERVICERS"), pursuant to a
Pooling and Servicing Agreement and will receive a fee for such services. See
"Mortgage Loan Program" and "Description of the Certificates." With respect to
those Mortgage Loans serviced by the Master Servicer through a Subservicer,
the Master Servicer will remain liable for its servicing obligations under the
related Pooling and Servicing Agreement as if the Master Servicer alone were
servicing such Mortgage Loans. In addition to or in lieu of the Master
Servicer for a series of Certificates, the related Prospectus Supplement may
identify a certificate administrator (the "CERTIFICATE ADMINISTRATOR") for the
Trust Fund. The Certificate Administrator may be an affiliate of the Company
or the Master Servicer. All references herein to "Master Servicer" and any
discussions of the servicing and administration functions of the Master
Servicer will also apply to the Certificate Administrator to the extent
applicable.
 
  The Company will make certain limited representations and warranties
regarding the Mortgage Loans except as otherwise specified herein, but its
assignment of the Mortgage Loans to the Trustee will be without
 
                                      15
<PAGE>
 
recourse. See "Description of the Certificates--Assignment of Mortgage Loans."
The Master Servicer's obligations with respect to the Mortgage Loans will
consist principally of its contractual servicing obligations under the related
Pooling and Servicing Agreement (including its obligation to enforce certain
purchase and other obligations of Subservicers and Sellers, as described
herein under "Mortgage Loan Program--Representations by Sellers,"
"Subservicing by Sellers" and "Description of the Certificates--Assignment of
Mortgage Loans," and its obligation to make certain cash advances in the event
of delinquencies in payments on or with respect to the Mortgage Loans in
amounts described herein under "Description of the Certificates--Advances") or
pursuant to the terms of any Mortgage Securities. The obligation of the Master
Servicer to make advances will be limited to amounts which the Master Servicer
believes ultimately would be reimbursable out of the proceeds of liquidation
of the Mortgage Loans or any applicable form of credit support. See
"Description of the Certificates--Advances."
 
                             MORTGAGE LOAN PROGRAM
 
  The Mortgage Loans will have been purchased by the Company, either directly
or indirectly through Residential Funding, from Sellers. The Mortgage Loans
will generally have been originated in accordance with the Company's
underwriting standards or alternative underwriting criteria as described below
under "Underwriting Standards" or as described in the related Prospectus
Supplement.
 
UNDERWRITING STANDARDS
 
 General Standards
 
  The Company's underwriting standards with respect to certain Mortgage Loans
will generally conform to those published in Residential Funding's Seller
Guide (together with Residential Funding's Servicer Guide, the "GUIDE," as
modified from time to time). The underwriting standards as set forth in the
Guide are continuously revised based on opportunities and prevailing
conditions in the residential mortgage market and the market for the Company's
mortgage pass-through certificates. The Mortgage Loans may be underwritten by
Residential Funding or by a designated third party. In certain circumstances,
however, the Mortgage Loans may be underwritten only by the Seller. See "--
Guide Standards--Qualifications of Sellers." Residential Funding may perform
only sample quality assurance reviews to determine whether the Mortgage Loans
in any Mortgage Pool were underwritten in accordance with applicable
standards.
 
  With respect to the Company's underwriting standards, as well as any other
underwriting standards that may be applicable to any Mortgage Loans, such
underwriting standards generally include a set of specific criteria pursuant
to which the underwriting evaluation is made. However, the application of such
underwriting standards does not imply that each specific criterion was
satisfied individually. Rather, a Mortgage Loan will be considered to be
originated in accordance with a given set of underwriting standards if, based
on an overall qualitative evaluation, the loan is in substantial compliance
with such underwriting standards. For example, a Mortgage Loan may be
considered to comply with a set of underwriting standards, even if one or more
specific criteria included in such underwriting standards were not satisfied,
if other factors compensated for the criteria that were not satisfied or if
the Mortgage Loan is considered to be in substantial compliance with the
underwriting standards.
 
  In addition, the Company purchases Mortgage Loans which do not conform to
the underwriting standards set forth in the Guide. Certain of the Mortgage
Loans will be purchased in negotiated transactions, and such negotiated
transactions may be governed by agreements ("MASTER COMMITMENTS") relating to
ongoing purchases of Mortgage Loans by Residential Funding, from Sellers who
will represent that the Mortgage Loans have been originated in accordance with
underwriting standards agreed to by Residential Funding. Residential Funding,
on behalf of the Company, will generally review only a limited portion of the
Mortgage Loans in any delivery of such Mortgage Loans from the related Seller
for conformity with the applicable underwriting standards. Certain other
Mortgage Loans will be purchased from Sellers who will represent that the
Mortgage Loans were
 
                                      16
<PAGE>
 
originated pursuant to underwriting standards determined by a mortgage
insurance company or third party origination system acceptable to Residential
Funding. The Company, or Residential Funding on behalf of the Company, may
accept a certification from such insurance company or a confirmation by such
third party as to a Mortgage Loan's insurability in a mortgage pool as of the
date of certification or confirmation as evidence of a Mortgage Loan
conforming to applicable underwriting standards. Such certifications or
confirmations will likely have been issued before the purchase of the Mortgage
Loan by Residential Funding or the Company.
 
  The level of review by Residential Funding or the Company, if any, of any
Mortgage Loan for conformity with the applicable underwriting standards will
vary depending on any one of a number of factors, including (i) factors
relating to the experience and status of the Seller, and (ii) characteristics
of the specific Mortgage Loan, including the principal balance, the Loan-to-
Value Ratio, the loan type or loan program, and (iii) the applicable credit
score of the related Mortgagor used in connection with the origination of the
Mortgage Loan (as determined based on a credit scoring model acceptable to the
Company). Generally, such credit scoring models provide a means for evaluating
the information about a prospective borrower that is available from a credit
reporting agency. The underwriting criteria applicable to any program under
which the Mortgage Loans may be originated and reviewed may provide that
qualification for the loan, or the availability of certain loan features (such
as maximum loan amount, maximum Loan-to-Value Ratio, property type and use,
and documentation level) may depend on the borrower's credit score.
 
  The underwriting standards utilized in negotiated transactions and Master
Commitments, the underwriting standards of insurance companies issuing
certificates and the underwriting standards applicable to Mortgage Loans
underlying Mortgage Securities may vary substantially from the underwriting
standards set forth in the Guide. Such underwriting standards are generally
intended to provide an underwriter with information to evaluate the borrower's
repayment ability and the adequacy of the Mortgaged Property as collateral.
Due to the variety of underwriting standards and review procedures that may be
applicable to the Mortgage Loans included in any Mortgage Pool, the related
Prospectus Supplement generally will not distinguish among the various
underwriting standards applicable to the Mortgage Loans nor describe any
review for compliance with applicable underwriting standards performed by the
Company or Residential Funding. Moreover, there can be no assurance that every
Mortgage Loan was originated in conformity with the applicable underwriting
standards in all material respects, or that the quality or performance of
Mortgage Loans underwritten pursuant to varying standards as described above
will be equivalent under all circumstances. In the case of a Designated Seller
Transaction, the applicable underwriting standards will be those of the Seller
or of the originator of the Mortgage Loans, and will be described in the
related Prospectus Supplement.
 
  The Company, either directly or indirectly through Residential Funding, will
also purchase Mortgage Loans from its affiliates, including GMAC Mortgage
Corporation of PA and Homecomings Financial Network, Inc., with underwriting
standards generally in accordance with the Guide or as otherwise agreed to by
the Company. However, in certain limited circumstances, such Mortgage Loans
may be employee or preferred customer loans with respect to which, in
accordance with such affiliate's mortgage loan programs, income, asset and
employment verifications and appraisals may not have been required. With
respect to Mortgage Loans made under any employee loan program maintained by
Residential Funding, or its affiliates, in certain limited circumstances
preferential interest rates may be allowed, and Primary Insurance Policies may
not be required in connection with a Loan-to-Value Ratio over 80%. As to any
series of Certificates representing interests in such Mortgage Loans, credit
enhancement may be provided covering losses on such Mortgage Loans to the
extent that such losses would be covered by Primary Insurance Policies if
obtained, in the form of a corporate guaranty or in certain other forms
described herein under "Description of Credit Enhancement." Neither the
Company nor Residential Funding will review any affiliate's mortgage loans for
conformity with the underwriting standards set forth in the Guide.
 
 Guide Standards
 
  The following is a brief description of the underwriting standards set forth
in the Guide for full documentation loan programs. Initially, a prospective
borrower (other than a trust if the trust is the borrower) is
 
                                      17
<PAGE>
 
required to fill out a detailed application providing pertinent credit
information. As part of the application, the borrower is required to provide a
current balance sheet describing assets and liabilities and a statement of
income and expenses, as well as an authorization to apply for a credit report
which summarizes the borrower's credit history with merchants and lenders and
any record of bankruptcy. In addition, an employment verification is obtained
which reports the borrower's current salary and may contain the length of
employment and an indication as to whether it is expected that the borrower
will continue such employment in the future. If a prospective borrower is
self-employed, the borrower may be required to submit copies of signed tax
returns. The borrower may also be required to authorize verification of
deposits at financial institutions where the borrower has accounts. In the
case of a Mortgage Loan secured by a property owned by a trust, the foregoing
procedures may be waived where the Mortgage Note is executed on behalf of the
Trust.
 
  In determining the adequacy of the Mortgaged Property as collateral, an
appraisal is made of each property considered for financing. The appraiser is
required to inspect the property and verify that it is in good condition and
that construction, if new, has been completed. The appraisal is based on
various factors, including the market value of comparable homes and the cost
of replacing the improvements.
 
  Once all applicable employment, credit and property information is received,
a determination is made as to whether the prospective borrower has sufficient
monthly income available to meet the borrower's monthly obligations on the
proposed mortgage loan and other expenses related to the home (such as
property taxes and hazard insurance) and other financial obligations and
monthly living expenses. The Company will generally underwrite ARM Loans, Buy-
Down Mortgage Loans, graduated payment Mortgage Loans and certain other
Mortgage Loans on the basis of the borrower's ability to make monthly payments
as determined by reference to the Mortgage Rates in effect at origination or
the reduced initial monthly payments, as the case may be, and on the basis of
an assumption that the borrowers will likely be able to pay the higher monthly
payments that may result from later increases in the Mortgage Rates or from
later increases in the monthly payments, as the case may be, at the time of
such increase even though the borrowers may not be able to make such higher
payments at the time of origination. The Mortgage Rate in effect from the
origination date of an ARM Loan or certain other types of loans to the first
adjustment date generally will be lower, and may be significantly lower, than
the sum of the then applicable Index and Note Margin. Similarly, the amount of
the monthly payment on Buy-Down Mortgage Loans and graduated payment Mortgage
Loans will increase periodically. If the borrowers' incomes do not increase in
an amount commensurate with the increases in monthly payments, the likelihood
of default will increase. In addition, in the case of either ARM Loans or
graduated payment Mortgage Loans that are subject to negative amortization,
due to the addition of Deferred Interest the principal balances of such
mortgage loans are more likely to equal or exceed the value of the underlying
mortgaged properties, thereby increasing the likelihood of defaults and
losses. With respect to Balloon Loans, payment of the Balloon Amount will
generally depend on the borrower's ability to obtain refinancing or to sell
the Mortgaged Property prior to the maturity of the Balloon Loan, and there
can be no assurance that such refinancing will be available to the borrower or
that such a sale will be possible.
 
  The underwriting standards set forth in the Guide may be varied in
appropriate cases, specifically in "limited" or "reduced loan documentation"
mortgage loan programs. Certain reduced loan documentation programs, for
example, do not require income, employment or asset verifications. Generally,
in order to be eligible for a reduced loan documentation program, the Loan-to-
Value Ratio must meet applicable guidelines, the borrower must have a good
credit history and the borrower's eligibility for such program may be
determined by use of a credit scoring model.
 
  To the extent the Seller fails or is unable to repurchase any Mortgage Loan
due to a breach of such representation and warranty, neither the Company,
Residential Funding nor any other entity will be so obligated. Furthermore, to
the extent that the appraised value of the related Mortgaged Property has
declined, the actual Loan-to-Value Ratio with respect to such Mortgage Loan
will be higher than the Loan-to-Value Ratio set forth with respect thereto in
the related Prospectus Supplement.
 
 
                                      18
<PAGE>
 
  In its evaluation of mortgage loans which have 24 or more months of payment
experience, Residential Funding generally places greater weight on payment
history and may take into account market and other economic trends while
placing less weight on underwriting factors generally applied to newly
originated mortgage loans.
 
  The Mortgaged Properties may be located in states where, in general, a
lender providing credit on a single-family property may not seek a deficiency
judgment against the mortgagor but rather must look solely to the property for
repayment in the event of foreclosure. See "Certain Legal Aspects of the
Mortgage Loans--Anti-Deficiency Legislation and Other Limitations on Lenders."
The Company's underwriting standards applicable to all states (including anti-
deficiency states) require that the value of the property being financed, as
indicated by the appraisal, currently supports and is anticipated to support
in the future the outstanding loan balance, although there can be no assurance
that such value will support the loan balance in the future.
 
QUALIFICATIONS OF SELLERS
 
  Except with respect to Designated Seller Transactions, each Seller (other
than the Federal Deposit Insurance Corporation (the "FDIC") and investment
banking firms) will have been approved by Residential Funding for
participation in Residential Funding's loan purchase program. In determining
whether to approve a seller for participation in the loan purchase program,
Residential Funding generally will consider, among other things, the financial
status (including the net worth) of the seller, the previous experience of the
seller in originating mortgage loans, the prior delinquency and loss
experience of the seller, the underwriting standards employed by the seller
and the quality control and, if applicable, the servicing operations
established by the seller. There can be no assurance that any Seller presently
meets any qualifications or will continue to meet any qualifications at the
time of inclusion of mortgage loans sold by it in the Trust Fund for a series
of Certificates, or thereafter. If a Seller becomes subject to the direct or
indirect control of the FDIC or if a Seller's net worth, financial performance
or delinquency and foreclosure rates deteriorate, such institution may
continue to be treated as a Seller. Any such event may adversely affect the
ability of any such Seller to repurchase Mortgage Loans in the event of a
breach of a representation or warranty which has not been cured.
 
  Residential Funding generally monitors which Sellers are under control of
the FDIC or are insolvent, otherwise in receivership or conservatorship or
financially distressed. Such Seller may make no representations and warranties
with respect to Mortgage Loans sold by it. The FDIC (either in its corporate
capacity or as receiver for a depository institution) may also be a Seller of
the Mortgage Loans, in which event neither the FDIC nor the related depository
institution may make representations and warranties with respect to the
Mortgage Loans sold, or only limited representations and warranties may be
made (for example, that the related legal documents are enforceable). The FDIC
may have no obligation to repurchase any Mortgage Loan for a breach of a
representation and warranty.
 
  Unless otherwise specified in the related Prospectus Supplement, the
qualifications required of Sellers for approval by Residential Funding as
participants in its loan purchase programs may not apply to Sellers in
Designated Seller Transactions. To the extent the Seller in a Designated
Seller Transaction fails to or is unable to repurchase any Mortgage Loan due
to a breach of representation and warranty, neither the Company, Residential
Funding nor any other entity will have assumed the representations and
warranties and any related losses will be borne by the Certificateholders or
by the credit enhancement, if any.
 
REPRESENTATIONS BY SELLERS
 
  Each Seller generally will make certain representations and warranties with
respect to the Mortgage Loans sold by such Seller. Such representations and
warranties generally include, among other things, that at the time of the sale
by the Seller to Residential Funding of each Mortgage Loan: (i) except in the
case of Cooperative Loans, title insurance (or in the case of Mortgaged
Properties located in areas where such policies are generally not available,
an attorney's certificate of title, or another form of coverage in lieu of
title insurance as specified in the related Prospectus Supplement) and any
required hazard and primary mortgage insurance were effective at
 
                                      19
<PAGE>
 
the origination of each Mortgage Loan, and each policy (or certificate of
title) remained in effect on the date of purchase of each Mortgage Loan from
the Seller by the Company or Residential Funding; (ii) the Seller has good
title to each such Mortgage Loan and such Mortgage Loan was subject to no
offsets, defenses or counterclaims except as may be provided under the Relief
Act and except to the extent that any buydown agreement exists for a Buy-Down
Mortgage Loan; (iii) there are no mechanics' liens or claims for work, labor
or material affecting any Mortgaged Property which are, or may be a lien prior
to, or equal with, the lien of the related Mortgage (subject only to
permissible title insurance exceptions); (iv) to the best of the Seller's
knowledge, each Mortgaged Property is free from damage and in good repair; (v)
there are no delinquent tax or, to the best of the Seller's knowledge,
assessment liens against the Mortgaged Property; (vi) each Mortgage Loan is
current as to all required payments; (vii) if a Primary Insurance Policy is
required with respect to a Mortgage Loan, such Mortgage Loan is the subject of
such a policy; and (viii) each Mortgage Loan was made in compliance with, and
is enforceable under, all applicable local, state and federal laws in all
material respects. In the event of a breach of a Seller's representation or
warranty that materially adversely affects the interests of the
Certificateholders in a Mortgage Loan, the related Seller will be obligated to
repurchase such Mortgage Loan as described below. However, there can be no
assurance that a Seller will honor its obligation to repurchase any Mortgage
Loan as to which such a breach of a representation or warranty arises. Any
costs associated with enforcing the Seller's obligation to repurchase such
Mortgage Loan will be borne by the related Trust Fund.
 
  Each Seller will have represented with respect to a Mortgage Loan that any
modification agreement was recorded as necessary to preserve the first lien
position in the jurisdiction in which the Mortgaged Property is located. If
the Mortgage Loans include Cooperative Loans or if an alternative form of
coverage in lieu of title insurance was obtained, representations and
warranties with respect to title insurance or hazard insurance may not be
given. Generally, the cooperative itself is responsible for the maintenance of
hazard insurance for property owned by the cooperative, and the borrowers
(tenant-stockholders) of the cooperative do not maintain hazard insurance on
their individual dwelling units.
 
  All of the representations and warranties of a Seller in respect of a
Mortgage Loan will have been made as of the date on which such Seller sold the
Mortgage Loan to the Company or Residential Funding; the date as of which such
representations and warranties were made will be a date prior to the date of
initial issuance of the related series of Certificates or, in the case of a
Designated Seller Transaction, will be the date of closing of the related sale
by the applicable Seller. A substantial period of time may have elapsed
between the date as of which the representations and warranties were made and
the later date of initial issuance of the related series of Certificates.
Accordingly, the Seller's purchase obligation (or, if specified in the related
Prospectus Supplement, limited replacement option) described below will not
arise if, during the period commencing on the date of sale of a Mortgage Loan
by the Seller to the Company or Residential Funding, an event occurs that
would have given rise to such an obligation had the event occurred prior to
sale of the affected Mortgage Loan.
 
  In the case of a Mortgage Pool consisting of Mortgage Loans purchased by the
Company from Sellers through Residential Funding, Residential Funding, except
in the case of a Designated Seller Transaction or as to Mortgage Loans
underlying any Mortgage Securities or unless otherwise specified in the
related Prospectus Supplement, will also have made certain limited
representations and warranties regarding the Mortgage Loans to the Company at
the time (just prior to the initial issuance of the related series of
Certificates) that they are sold to the Company. Such representations and
warranties will generally include, among other things, that: (i) as of the
Cut-off Date, the information set forth in a listing of the related Mortgage
Loans is true and correct in all material respects; (ii) except in the case of
Cooperative Loans, either a policy of title insurance in the form and amount
required by the Guide or an equivalent protection was effective at the
origination of each Mortgage Loan, and each policy remained in full force and
effect on the date of sale of the Mortgage Loan to the Company; (iii) to the
best of Residential Funding's knowledge, if required, the Mortgage Loans are
the subject of a Primary Insurance Policy; (iv) Residential Funding had good
title to each Mortgage Loan and each Mortgage Loan is subject to no offsets,
defenses or counterclaims except as may be provided under the Relief Act and
except with respect to any buydown agreement for a Buy-Down Mortgage Loan; (v)
to the best of Residential Funding's knowledge, each Mortgaged Property is
free of damage and is in good repair; (vi) each Mortgage Loan complied
 
                                      20
<PAGE>
 
in all material respects with all applicable local, state and federal laws at
the time of origination; (vii) except as otherwise indicated in the related
Prospectus Supplement, no Mortgage Loan is one month or more delinquent in
payment of principal and interest as of the related Cut-off Date and was not
so delinquent more than once during the twelve-month period prior to the Cut-
off Date; and (viii) there is no delinquent tax or, to the best of Residential
Funding's knowledge, assessment lien against any Mortgaged Property. In the
event of a breach of a representation or warranty made by Residential Funding
that materially adversely affects the interests of the Certificateholders in a
Mortgage Loan, Residential Funding will be obligated to repurchase or
substitute for such Mortgage Loan as described below. In addition, Residential
Funding will be obligated to repurchase or substitute for as described below
any Mortgage Loan as to which it is discovered that the related Mortgage is
not a valid first lien on the related Mortgaged Property subject only to (a)
liens of real property taxes and assessments not yet due and payable, (b)
covenants, conditions and restrictions, rights of way, easements and other
matters of public record as of the date of recording of such Mortgage and
certain other permissible title exceptions and (c) other matters to which like
properties are commonly subject which do not materially adversely affect the
value, use, enjoyment or marketability of the Mortgaged Property. In addition,
with respect to any Mortgage Loan as to which the Company delivers to the
Trustee or the custodian an affidavit certifying that the original Mortgage
Note has been lost or destroyed, if such Mortgage Loan subsequently is in
default and the enforcement thereof or of the related Mortgage is materially
adversely affected by the absence of the original Mortgage Note, Residential
Funding will be obligated to repurchase or substitute for such Mortgage Loan
in the manner described below. However, Residential Funding will not be
required to repurchase or substitute for any Mortgage Loan if the
circumstances giving rise to such requirement also constitute fraud in the
origination of the related Mortgage Loan. Furthermore, because the listing of
the related Mortgage Loans generally contains information with respect to the
Mortgage Loans as of the Cut-off Date, prepayments and, in certain limited
circumstances, modifications to the interest rate and principal and interest
payments may have been made with respect to one or more of the related
Mortgage Loans between the Cut-off Date and the Closing Date. Neither
Residential Funding nor any Seller will be required to purchase or substitute
for any Mortgage Loan as a result of such prepayment or modification.
 
  The Company will assign to the Trustee for the benefit of the holders of the
related series of Certificates all of its right, title and interest in each
agreement by which it purchased a Mortgage Loan from Residential Funding
insofar as such agreement relates to the representations and warranties made
by a Seller or Residential Funding, as the case may be, in respect of such
Mortgage Loan and any remedies provided for with respect to any breach of such
representations and warranties. If a Seller or Residential Funding, as the
case may be, cannot cure a breach of any representation or warranty made by it
in respect of a Mortgage Loan which materially and adversely affects the
interests of the Certificateholders in such Mortgage Loan within 90 days after
notice from the Master Servicer, such Seller or Residential Funding, as the
case may be, will be obligated to purchase such Mortgage Loan at a price (the
"PURCHASE PRICE") set forth in the related Pooling and Servicing Agreement
which Purchase Price will generally be equal to the principal balance thereof
as of the date of purchase plus accrued and unpaid interest to the first day
of the month following the month of repurchase at the Mortgage Rate (less the
amount, expressed as a percentage per annum, payable in respect of master
servicing compensation or subservicing compensation, as applicable, and, if
applicable, the Excluded Spread).
 
  Unless otherwise specified in the related Prospectus Supplement, as to any
such Mortgage Loan required to be purchased by Residential Funding as provided
above, rather than repurchase the Mortgage Loan, Residential Funding may, at
its sole option, remove such Mortgage Loan (a "DELETED MORTGAGE LOAN") from
the Trust Fund and cause the Company to substitute in its place another
Mortgage Loan of like kind (a "QUALIFIED SUBSTITUTE MORTGAGE LOAN"); however,
such substitution must be effected within 120 days of the date of the initial
issuance of the Certificates with respect to a Trust Fund for which no REMIC
election is to be made. With respect to a Trust Fund for which a REMIC
election is to be made, except as otherwise provided in the Prospectus
Supplement relating to a series of Certificates, such substitution of a
defective Mortgage Loan must be effected within two years of the date of the
initial issuance of the Certificates, and may not be made if such substitution
would cause the Trust Fund to not qualify as a REMIC or result in a prohibited
transaction tax under the Code.
 
 
                                      21
<PAGE>
 
  Except as otherwise provided in the related Prospectus Supplement, any
Qualified Substitute Mortgage Loan generally will, on the date of
substitution, (i) have an outstanding principal balance, after deduction of
the principal portion of the monthly payment due in the month of substitution,
not in excess of the outstanding principal balance of the Deleted Mortgage
Loan (the amount of any shortfall to be deposited in a custodial account (the
"CUSTODIAL ACCOUNT") in the month of substitution for distribution to the
Certificateholders), (ii) have a Mortgage Rate and a Net Mortgage Rate not
less than (and not more than one percentage point greater than) the Mortgage
Rate and Net Mortgage Rate, respectively, of the Deleted Mortgage Loan as of
the date of substitution, (iii) have a Loan-to-Value Ratio at the time of
substitution no higher than that of the Deleted Mortgage Loan at the time of
substitution, (iv) have a remaining term to maturity not greater than (and not
more than one year less than) that of the Deleted Mortgage Loan, and (v)
comply with all of the representations and warranties set forth in the related
Pooling and Servicing Agreement as of the date of substitution. The related
Pooling and Servicing Agreement may include additional requirements relating
to ARM Loans or other specific types of Mortgage Loans, or additional
provisions relating to meeting the foregoing requirements on an aggregate
basis where a number of substitutions occur contemporaneously. Unless
otherwise specified in the related Prospectus Supplement, a Seller (including
a Seller in a Designated Seller Transaction) will have no option to substitute
for a Mortgage Loan that it is obligated to repurchase in connection with a
breach of a representation and warranty.
 
  The Master Servicer will be required under the applicable Pooling and
Servicing Agreement to use its best reasonable efforts to enforce this
purchase or substitution obligation for the benefit of the Trustee and the
Certificateholders, using practices it would employ in its good faith business
judgment and which are normal and usual in its general mortgage servicing
activities; provided, however, that this purchase or substitution obligation
will not become an obligation of the Master Servicer in the event the Seller
or Residential Funding, as the case may be, fails to honor such obligation.
The Master Servicer will be entitled to reimbursement for any costs and
expenses incurred in pursuing such a purchase or substitution obligation,
including but not limited to any costs or expenses associated with litigation.
In instances where a Seller is unable, or disputes its obligation, to purchase
affected Mortgage Loans, the Master Servicer, employing the standards set
forth in the preceding sentence, may negotiate and enter into one or more
settlement agreements with such Seller that could provide for, among other
things, the purchase of only a portion of the affected Mortgage Loans or
coverage of certain loss amounts. Any such settlement could lead to losses on
the Mortgage Loans which would be borne by the related credit enhancement, and
to the extent not available, on the related Certificates. Furthermore, the
Master Servicer may pursue foreclosure (or similar remedies) concurrently with
pursuing any remedy for a breach of a representation and warranty. However,
the Master Servicer is not required to continue to pursue both such remedies
if it determines that one such remedy is more likely to result in a greater
recovery. In accordance with the above described practices, the Master
Servicer will not be required to enforce any purchase obligation of a Seller
arising from any misrepresentation by the Seller, if the Master Servicer
determines in the reasonable exercise of its business judgment that the
matters related to such misrepresentation did not directly cause or are not
likely to directly cause a loss on the related Mortgage Loan. If the Seller
fails to repurchase and no breach of either the Company's or Residential
Funding's representations has occurred, the Seller's purchase obligation will
not become an obligation of the Company or Residential Funding. In the case of
a Designated Seller Transaction where the Seller fails to repurchase a
Mortgage Loan and neither the Company, Residential Funding nor any other
entity has assumed the representations and warranties, such repurchase
obligation of the Seller will not become an obligation of the Company or
Residential Funding. Unless otherwise specified in the related Prospectus
Supplement, the foregoing obligations will constitute the sole remedies
available to Certificateholders or the Trustee for a breach of any
representation by a Seller or by Residential Funding in its capacity as a
seller of Mortgage Loans to the Company, or for any other event giving rise to
such obligations as described above.
 
  Neither the Company nor the Master Servicer will be obligated to purchase a
Mortgage Loan if a Seller defaults on its obligation to do so, and no
assurance can be given that the Sellers will carry out such obligations with
respect to Mortgage Loans. Such a default by a Seller is not a default by the
Company or by the Master Servicer. However, to the extent that a breach of the
representations and warranties of a Seller also constitutes a breach of a
representation made by Residential Funding, as set forth above, or by the
Company or the Master
 
                                      22
<PAGE>
 
Servicer, as described below under "Description of the Certificates--
Assignment of Mortgage Loans," Residential Funding, the Company or the Master
Servicer may have a purchase or substitution obligation. Any Mortgage Loan not
so purchased or substituted for shall remain in the related Trust Fund and any
losses related thereto shall be allocated to the related credit enhancement,
and to the extent not available, to the related Certificates.
 
  Notwithstanding the foregoing, with respect to any Seller that requests
Residential Funding's consent to the transfer of subservicing rights relating
to any Mortgage Loans to a successor servicer, Residential Funding may release
such Seller from liability under its representations and warranties described
above, upon the assumption of such successor servicer of the Seller's
liability for such representations and warranties as of the date they were
made. In that event, Residential Funding's rights under the instrument by
which such successor servicer assumes the Seller's liability will be assigned
to the Trustee, and such successor servicer shall be deemed to be the "SELLER"
for purposes of the foregoing provisions.
 
SUBSERVICING
 
  The Seller of a Mortgage Loan will generally act as the Subservicer for such
Mortgage Loan pursuant to an agreement between Residential Funding and the
Subservicer (a "SUBSERVICING AGREEMENT") unless servicing is released to the
Master Servicer or has been transferred to a servicer approved by Residential
Funding. The Master Servicer may, but is not obligated to, assign such
subservicing to designated subservicers which will be qualified Sellers and
which may include GMAC Mortgage Corporation of PA or its affiliates. A
representative form of Subservicing Agreement is included as an exhibit to the
forms of Pooling and Servicing Agreements filed as exhibits to the
Registration Statement of which this Prospectus is a part. The Subservicing
Agreement executed in connection with a Designated Seller Transaction or with
respect to certain Mortgage Loans sold in negotiated transactions will
generally vary from the form filed herewith to accommodate the different
features of the Mortgage Loans included in such a Designated Seller
Transaction and to vary the parameters constituting an event of default. The
following description does not purport to be complete and is qualified in its
entirety by reference to the form of Subservicing Agreement and by the
discretion of the Master Servicer to modify the Subservicing Agreement and to
enter into different Subservicing Agreements. While such Subservicing
Agreement will be a contract solely between the Master Servicer and the
Subservicer, the Pooling and Servicing Agreement pursuant to which a series of
Certificates is issued will provide that, if for any reason the Master
Servicer for such series of Certificates is no longer the master servicer of
the related Mortgage Loans, the Trustee or any successor Master Servicer must
recognize the Subservicer's rights and obligations under such Subservicing
Agreement.
 
  With the approval of the Master Servicer, a Subservicer may delegate its
servicing obligations to third-party servicers, but such Subservicer will
remain obligated under the related Subservicing Agreement. Each Subservicer
will be required to perform the customary functions of a servicer, including
collection of payments from Mortgagors and remittance of such collections to
the Master Servicer; maintenance of hazard insurance and filing and settlement
of claims thereunder, subject in certain cases to the right of the Master
Servicer to approve in advance any such settlement; maintenance of escrow or
impoundment accounts of Mortgagors for payment of taxes, insurance and other
items required to be paid by the Mortgagor pursuant to the Mortgage Loan;
processing of assumptions or substitutions (although, unless otherwise
specified in the related Prospectus Supplement, the Master Servicer is
generally required to exercise due-on-sale clauses to the extent such exercise
is permitted by law and would not adversely affect insurance coverage);
attempting to cure delinquencies; and maintaining accounting records relating
to the Mortgage Loans. A Subservicer may also be required to supervise
foreclosures and under certain circumstances inspect and manage Mortgaged
Properties. A Subservicer will also be obligated to make advances to the
Master Servicer in respect of delinquent installments of principal and
interest (net of any subservicing or other compensation) on Mortgage Loans, as
described more fully under "Description of the Certificates--Advances," and in
respect of certain taxes and insurance premiums not paid on a timely basis by
Mortgagors. In addition, a Subservicer is obligated to pay to the Master
Servicer interest on the amount of any partial prepayment of principal
received and applied to reduce the outstanding principal
 
                                      23
<PAGE>
 
balance of a Mortgage Loan from the date of application of such payment to the
first day of the following month. Any amounts paid by a Subservicer pursuant
to the preceding sentence will be for the benefit of the Master Servicer as
additional servicing compensation. No assurance can be given that the
Subservicers will carry out their advance or payment obligations with respect
to the Mortgage Loans. Unless otherwise specified in the related Prospectus
Supplement, a Subservicer may transfer its servicing obligations to another
entity that has been approved for participation in Residential Funding's loan
purchase programs, but only with the approval of the Master Servicer.
 
  As compensation for its servicing duties, the Subservicer will be entitled
to a monthly servicing fee (to the extent the related Mortgage Loan payment
has been collected) in a minimum amount set forth in the related Prospectus
Supplement. The Subservicer or Master Servicer may also be entitled to collect
and retain, as part of its servicing compensation, any late charges or
prepayment penalties, as provided in the Mortgage Note or related instruments.
The Subservicer will be reimbursed by the Master Servicer for certain
expenditures which it makes, generally to the same extent that the Master
Servicer would be reimbursed under the applicable Pooling and Servicing
Agreement. In some instances, the Subservicer will receive additional
compensation in the form of all or a portion of the interest due and payable
on the applicable Mortgage Loan which is over and above the interest rate that
the Company or Residential Funding, as the case may be, required at the time
it committed to purchase the Mortgage Loan. See "The Pooling and Servicing
Agreement--Servicing and Other Compensation and Payment of Expenses."
 
  Each Subservicer will be required to agree to indemnify the Master Servicer
for any liability or obligation sustained by the Master Servicer in connection
with any act or failure to act by the Subservicer in its servicing capacity.
Each Subservicer is required to maintain a fidelity bond and an errors and
omissions policy with respect to its officers, employees and other persons
acting on its behalf or on behalf of the Master Servicer.
 
  Each Subservicer will be required to service each Mortgage Loan pursuant to
the terms of the Subservicing Agreement for the entire term of such Mortgage
Loan, unless the Subservicing Agreement is earlier terminated by the Master
Servicer or unless servicing is released to the Master Servicer. Subject to
applicable law, the Master Servicer may generally terminate a Subservicing
Agreement immediately upon the giving of notice upon certain stated events,
including the violation of such Subservicing Agreement by the Subservicer, or
upon sixty days' notice to the Subservicer without cause upon payment of an
amount generally equal to 2% of the aggregate outstanding principal balance of
all mortgage loans, including the Mortgage Loans, serviced by such Subservicer
pursuant to a Subservicing Agreement.
 
  The Master Servicer may agree with a Subservicer to amend a Subservicing
Agreement. Upon termination of a Subservicing Agreement, the Master Servicer
may act as servicer of the related Mortgage Loans or enter into one or more
new Subservicing Agreements. If the Master Servicer acts as servicer, it will
not assume liability for the representations and warranties of the Subservicer
which it replaces. If the Master Servicer enters into a new Subservicing
Agreement, each new Subservicer must either be a Seller, meet the standards
for becoming a Seller or have such servicing experience that is otherwise
satisfactory to the Master Servicer. The Master Servicer may make reasonable
efforts to have the new Subservicer assume liability for the representations
and warranties of the terminated Subservicer, but no assurance can be given
that such an assumption will occur and, in any event, if the new Subservicer
is an affiliate of Residential Funding the liability for such representations
and warranties will not be assumed by such new Subservicer. In the event of
such an assumption, the Master Servicer may in the exercise of its business
judgment release the terminated Subservicer from liability in respect of such
representations and warranties. Any amendments to a Subservicing Agreement or
to a new Subservicing Agreement may contain provisions different from those
described above which are in effect in the original Subservicing Agreements.
However, the Pooling and Servicing Agreement for each Trust Fund will provide
that any such amendment or new agreement may not be inconsistent with or
violate such Pooling and Servicing Agreement in a manner which would
materially and adversely affect the interests of the Certificateholders.
 
                                      24
<PAGE>
 
                        DESCRIPTION OF THE CERTIFICATES
 
GENERAL
 
  The Certificates will be issued in series. Each series of Certificates (or,
in certain instances, two or more series of Certificates) will be issued
pursuant to a Pooling and Servicing Agreement, similar to one of the forms
filed as an exhibit to the Registration Statement of which this Prospectus is
a part. Each Pooling and Servicing Agreement will be filed with the Commission
as an exhibit to a Form 8-K. The following summaries (together with additional
summaries under "The Pooling and Servicing Agreement" below) describe certain
provisions relating to the Certificates common to each Pooling and Servicing
Agreement. The summaries do not purport to be complete and are subject to, and
are qualified in their entirety by reference to, all of the provisions of the
Pooling and Servicing Agreement for each Trust Fund and the related Prospectus
Supplement.
 
  Unless otherwise specified in the Prospectus Supplement with respect to a
series, Certificates of each series covered by a particular Pooling and
Servicing Agreement will evidence specified beneficial ownership interests in
a separate Trust Fund created pursuant to such Pooling and Servicing
Agreement. A Trust Fund will consist of, to the extent provided in the Pooling
and Servicing Agreement: (i) such Mortgage Loans (and the related mortgage
documents) or interests therein (including any Mortgage Securities) underlying
a particular series of Certificates as from time to time are subject to the
Pooling and Servicing Agreement, exclusive of, if specified in the related
Prospectus Supplement, any Excluded Spread or other interest retained by the
Company or any of its affiliates with respect to each such Mortgage Loan; (ii)
such assets including, without limitation, all payments and collections in
respect of the Mortgage Loans or Mortgage Securities due after the related
Cut-off Date, as from time to time are identified as deposited in respect
thereof in the Custodial Account and in the related Certificate Account; (iii)
property acquired by foreclosure of such Mortgage Loans or deed in lieu of
foreclosure and certain proceeds from the disposition of any related
Additional Collateral; (iv) hazard insurance policies and Primary Insurance
Policies, if any, and certain proceeds thereof; and (v) any combination, as
and to the extent specified in the related Prospectus Supplement, of a Letter
of Credit, Purchase Obligation, Mortgage Pool Insurance Policy, Special Hazard
Insurance Policy, Bankruptcy Bond, Certificate Insurance Policy, Surety Bond
or other type of credit enhancement as described under "Description of Credit
Enhancement." To the extent that any Trust Fund includes certificates of
interest or participations in Mortgage Loans, the related Prospectus
Supplement will describe the material terms and conditions of such
certificates or participations.
 
  Each series of Certificates may consist of any one or a combination of the
following: (i) a single class of Certificates; (ii) two or more classes of
Certificates, one or more classes of which may be Senior Certificates that are
senior in right of payment to any class or classes of Mezzanine Certificates
and to any other class or classes of Subordinate Certificates, and as to which
certain classes of Senior (or Subordinate) Certificates may be senior to other
classes of Senior (or Subordinate) Certificates, as described in the
respective Prospectus Supplement (any such series, a "SENIOR/SUBORDINATE
SERIES"); (iii) one or more classes of Strip Certificates which will be
entitled to (a) principal distributions, with disproportionate, nominal or no
interest distributions or (b) interest distributions, with disproportionate,
nominal or no principal distributions; (iv) two or more classes of
Certificates which differ as to the timing, sequential order, rate, pass-
through rate or amount of distributions of principal or interest or both, or
as to which distributions of principal or interest or both on any class may be
made upon the occurrence of specified events, in accordance with a schedule or
formula (including "planned amortization classes" and "targeted amortization
classes" and "very accurately defined maturity classes"), or on the basis of
collections from designated portions of the Mortgage Pool, which series may
include one or more classes of Accrual Certificates with respect to which
certain accrued interest will not be distributed but rather will be added to
the principal balance thereof on each Distribution Date for the period
described in the related Prospectus Supplement; or (v) other types of classes
of Certificates, as described in the related Prospectus Supplement. Credit
support for each series of Certificates will be provided by a Mortgage Pool
Insurance Policy, Special Hazard Insurance Policy, Bankruptcy Bond, Letter of
Credit, Purchase Obligation, Reserve Fund, Certificate Insurance Policy,
Surety Bond or other credit enhancement as described under "Description of
Credit Enhancement," or by the subordination of one or more classes of
Certificates as described under "Subordination" or by any combination of the
foregoing.
 
                                      25
<PAGE>
 
FORM OF CERTIFICATES
 
  As specified in the related Prospectus Supplement, the Certificates of each
series will be issued either as physical certificates or in book-entry form.
If issued as physical certificates, the Certificates will be in fully
registered form only in the denominations specified in the related Prospectus
Supplement, and will be transferable and exchangeable at the corporate trust
office of the person appointed under the related Pooling and Servicing
Agreement to register the Certificates (the "CERTIFICATE REGISTRAR"). No
service charge will be made for any registration of exchange or transfer of
Certificates, but the Trustee may require payment of a sum sufficient to cover
any tax or other governmental charge. The term "CERTIFICATEHOLDER" or "HOLDER"
as used herein refers to the entity whose name appears on the records of the
Certificate Registrar (or, if applicable, a transfer agent) as the registered
holder thereof, except as otherwise indicated in the related Prospectus
Supplement.
 
  If issued in book-entry form, certain classes of a series of Certificates
will be initially issued through the book-entry facilities of The Depository
Trust Company ("DTC"), or Cedel Bank, SA ("CEDEL") or the Euroclear System
("EUROCLEAR") (in Europe) if they are participants of such systems, or
indirectly through organizations which are participants in such systems, or
through such other depository or facility as may be specified in the related
Prospectus Supplement. As to any such class of Certificates so issued ("BOOK-
ENTRY CERTIFICATES"), the record holder of such Certificates will be DTC's
nominee. CEDEL and Euroclear will hold omnibus positions on behalf of their
participants through customers' securities accounts in CEDEL's and Euroclear's
names on the books of their respective depositaries (the "DEPOSITARIES"),
which in turn will hold such positions in customers' securities accounts in
the depositaries' names on the books of DTC. DTC is a limited-purpose trust
company organized under the laws of the State of New York, which holds
securities for its participating organizations ("DTC PARTICIPANTS," and
together with the CEDEL and Euroclear participating organizations,
"PARTICIPANTS") and facilitates the clearance and settlement of securities
transactions between Participants through electronic book-entry changes in the
accounts of Participants. Participants include securities brokers and dealers,
banks, trust companies and clearing corporations and may include certain other
organizations. Other institutions that are not Participants but clear through
or maintain a custodial relationship with Participants (such institutions,
"INDIRECT PARTICIPANTS") have indirect access to DTC's clearance system.
 
  Unless otherwise specified in the related Prospectus Supplement, no person
acquiring an interest in any Book-Entry Certificate (each such person, a
"BENEFICIAL OWNER") will be entitled to receive a Certificate representing
such interest in registered, certificated form, unless either (i) DTC ceases
to act as depository in respect thereof and a successor depository is not
obtained, or (ii) the Company elects in its sole discretion to discontinue the
registration of such Certificates through DTC. Prior to any such event,
Beneficial Owners will not be recognized by the Trustee or the Master Servicer
as holders of the related Certificates for purposes of the Pooling and
Servicing Agreement, and Beneficial Owners will be able to exercise their
rights as owners of such Certificates only indirectly through DTC,
Participants and Indirect Participants. Any Beneficial Owner that desires to
purchase, sell or otherwise transfer any interest in Book-Entry Certificates
may do so only through DTC, either directly if such Beneficial Owner is a
Participant or indirectly through Participants and, if applicable, Indirect
Participants. Pursuant to the procedures of DTC, transfers of the beneficial
ownership of any Book-Entry Certificates will be required to be made in
minimum denominations specified in the related Prospectus Supplement. The
ability of a Beneficial Owner to pledge Book-Entry Certificates to persons or
entities that are not Participants in the DTC system, or to otherwise act with
respect to such Certificates, may be limited because of the lack of physical
certificates evidencing such Certificates and because DTC may act only on
behalf of Participants.
 
  Because of time zone differences, the securities account of a CEDEL or
Euroclear participant as a result of a transaction with a DTC Participant
(other than a depositary holding on behalf of CEDEL or Euroclear) will be
credited during a subsequent securities settlement processing day (which must
be a business day for CEDEL or Euroclear, as the case may be) immediately
following the DTC settlement date. Such credits or any transactions in such
securities settled during such processing will be reported to the relevant
Euroclear Participant or CEDEL Participants on such business day. Cash
received in CEDEL or Euroclear as a result of sales of securities by or
 
                                      26
<PAGE>
 
through a CEDEL Participant or Euroclear Participant to a DTC Participant
(other than the depositary for CEDEL or Euroclear) will be received with value
on the DTC settlement date, but will be available in the relevant CEDEL or
Euroclear cash account only as of the business day following settlement in
DTC.
 
  Transfers between Participants will occur in accordance with DTC rules.
Transfers between CEDEL Participants and Euroclear Participants will occur in
accordance with their respective rules and operating procedures.
 
  Cross-market transfers between persons holding directly or indirectly
through DTC, on the one hand, and directly or indirectly through CEDEL
Participants or Euroclear Participants, on the other, will be effected in DTC
in accordance with DTC rules on behalf of the relevant European international
clearing system by the relevant Depositaries; however, such cross market
transactions will require delivery of instructions to the relevant European
international clearing system by the counterparty in such system in accordance
with its rules and procedures and within its established deadlines (European
time). The relevant European international clearing system will, if the
transaction meets its settlement requirements, deliver instructions to its
Depositary to take action to effect final settlement on its behalf by
delivering or receiving securities in DTC, and making or receiving payment in
accordance with normal procedures for same day funds settlement applicable to
DTC. CEDEL Participants and Euroclear Participants may not deliver
instructions directly to the Depositaries.
 
  CEDEL, as a professional depository, holds securities for its participating
organizations ("CEDEL PARTICIPANTS") and facilitates the clearance and
settlement of securities transactions between CEDEL Participants through
electronic book-entry changes in accounts of CEDEL Participants, thereby
eliminating the need for physical movement of certificates. As a professional
depository, CEDEL is subject to regulation by the Luxembourg Monetary
Institute.
 
  Euroclear was created to hold securities for participants of Euroclear
("EUROCLEAR PARTICIPANTS") and to clear and settle transactions between
Euroclear Participants through simultaneous electronic book-entry delivery
against payment, thereby eliminating the need for physical movement of
certificates and any risk from lack of simultaneous transfers of securities
and cash. Euroclear is operated by the Brussels, Belgium office of Morgan
Guaranty Trust Company of New York (the "EUROCLEAR OPERATOR"), under contract
with Euroclear Clearance Systems S.C., a Belgian co-operative corporation (the
"CLEARANCE COOPERATIVE"). All operations are conducted by the Euroclear
Operator, and all Euroclear securities clearance accounts and Euroclear cash
accounts are accounts with the Euroclear Operator, not the Clearance
Cooperative. The Clearance Cooperative establishes policy for Euroclear on
behalf of Euroclear Participants. The Euroclear Operator is the Belgian branch
of a New York banking corporation which is a member bank of the Federal
Reserve System. As such, it is regulated and examined by the Board of
Governors of the Federal Reserve System and the New York State Banking
Department, as well as the Belgian Banking Commission. Securities clearance
accounts and cash accounts with the Euroclear Operator are governed by the
Terms and Conditions Governing Use of Euroclear and the related Operating
Procedures of the Euroclear System and applicable Belgian law (collectively,
the "TERMS AND CONDITIONS"). The Terms and Conditions govern transfers of
securities and cash within Euroclear, withdrawals of securities and cash from
Euroclear, and receipts of payments with respect to securities in Euroclear.
All securities in Euroclear are held on a fungible basis without attribution
of specific certificates to specific securities clearance accounts.
 
  Distributions in respect of the Book-Entry Certificates will be forwarded by
the Trustee to DTC, and DTC will be responsible for forwarding such payments
to Participants, each of which will be responsible for disbursing such
payments to the Beneficial Owners it represents or, if applicable, to Indirect
Participants. Accordingly, Beneficial Owners may experience delays in the
receipt of payments in respect of their Certificates. Under DTC's procedures,
DTC will take actions permitted to be taken by holders of any class of Book-
Entry Certificates under the Pooling and Servicing Agreement only at the
direction of one or more Participants to whose account the Book-Entry
Certificates are credited and whose aggregate holdings represent no less than
any minimum amount of Percentage Interests or voting rights required therefor.
DTC may take conflicting actions with respect to any action of
Certificateholders of any Class to the extent that Participants authorize such
actions. None of the Master
 
                                      27
<PAGE>
 
Servicer, the Company, the Trustee or any of their respective affiliates will
have any liability for any aspect of the records relating to or payments made
on account of beneficial ownership interests in the Book-Entry Certificates,
or for maintaining, supervising or reviewing any records relating to such
beneficial ownership interests.
 
ASSIGNMENT OF TRUST FUND ASSETS
 
  At the time of issuance of a series of Certificates, the Company will cause
the Mortgage Loans or Mortgage Securities and any other assets being included
in the related Trust Fund to be assigned to the Trustee or its nominee (which
may be the Custodian) together with, if specified in the related Prospectus
Supplement, all principal and interest received on or with respect to such
Mortgage Loans or Mortgage Securities after the Cut-off Date (other than
principal and interest due on or before the Cut-off Date and any Excluded
Spread). The Trustee will, concurrently with such assignment, deliver a series
of Certificates to the Company in exchange for the Mortgage Loans or Mortgage
Securities. Each Mortgage Loan will be identified in a schedule appearing as
an exhibit to the related Pooling and Servicing Agreement. Such schedule will
include, among other things, information as to the principal balance of each
Mortgage Loan as of the Cut-off Date, as well as information respecting the
Mortgage Rate, the currently scheduled monthly payment of principal and
interest, the maturity of the Mortgage Note and the Loan-to-Value Ratio at
origination or modification (without regard to any secondary financing).
 
  In addition, the Company will, as to each Mortgage Loan other than Mortgage
Loans underlying any Mortgage Securities, deliver to the Trustee (or to the
Custodian) (as described below) certain legal documents relating to such
Mortgage Loan that are in possession of the Company, including: (i) the
Mortgage Note (and any modification or amendment thereto) endorsed without
recourse either in blank or to the order of the Trustee (or its nominee); (ii)
the Mortgage (except for any Mortgage not returned from the public recording
office) with evidence of recording indicated thereon or, in the case of a
Cooperative Loan, on the related financing statement; (iii) an assignment in
recordable form of the Mortgage (or, with respect to a Cooperative Loan, an
assignment of the related proprietary lease or occupancy agreement); and (iv)
if applicable, any riders or modifications to such Mortgage Note and Mortgage,
together with certain other documents at such times as set forth in the
related Pooling and Servicing Agreement. Such assignments may be blanket
assignments covering Mortgages secured by Mortgaged Properties located in the
same county, if permitted by law. Notwithstanding the foregoing, a Trust Fund
may include Mortgage Loans where the original Mortgage Note is not delivered
to the Trustee if the Company delivers to the Trustee or the Custodian a copy
or a duplicate original of the Mortgage Note, together with an affidavit
certifying that the original thereof has been lost or destroyed. With respect
to such Mortgage Loans, the Trustee (or its nominee) may not be able to
enforce the Mortgage Note against the related borrower. Residential Funding
will agree to repurchase or substitute for such a Mortgage Loan in certain
circumstances (see "Mortgage Loan Program--Representations by Sellers").
 
  In the event that, with respect to any Mortgage Loan, the Company cannot
deliver the Mortgage or any assignment with evidence of recording thereon
concurrently with the execution and delivery of the related Pooling and
Servicing Agreement because of a delay caused by the public recording office,
the Company will deliver or cause to be delivered to the Trustee or the
Custodian a true and correct photocopy of such Mortgage or assignment. The
Company will deliver or cause to be delivered to the Trustee or the Custodian
such Mortgage or assignment with evidence of recording indicated thereon after
receipt thereof from the public recording office or from the related
Subservicer. Assignments of the Mortgage Loans to the Trustee (or its nominee)
will be recorded in the appropriate public recording office, except in states
where, in the opinion of counsel acceptable to the Trustee, such recording is
not required to protect the Trustee's or nominee's interests in the Mortgage
Loan against the claim of any subsequent transferee or any successor to or
creditor of the Company or the originator of such Mortgage Loan, or except as
otherwise specified in the related Prospectus Supplement.
 
REVIEW OF MORTGAGE LOANS
 
  The Trustee or the Custodian will hold such documents in trust for the
benefit of the Certificateholders, and generally within 45 days after receipt
thereof, will review such documents. Unless otherwise provided in the
 
                                      28
<PAGE>
 
related Prospectus Supplement, if any such document is found to be defective
in any material respect, the Trustee or the Custodian shall promptly notify
the Master Servicer and the Company, the former of which shall notify the
related Subservicer or Seller, as the case may be. If such Subservicer or
Seller does not cure the omission or defect within 60 days after notice is
given to the Master Servicer, such Subservicer or Seller, as the case may be,
will be obligated to purchase within 90 days of such notice the related
Mortgage Loan from the Trustee at its Purchase Price (or, except in the case
of a Designated Seller Transaction, substitute for such Mortgage Loan under
the conditions specified in the related Prospectus Supplement). The Master
Servicer will be obligated to enforce this obligation of the Subservicer or
Seller, as the case may be, to the extent described above under "Mortgage Loan
Program--Representations by Sellers" but subject to the provisions described
below under "--Realization Upon Defaulted Mortgage Loans." There can be no
assurance that the applicable Subservicer or Seller will fulfill its
obligation to purchase any Mortgage Loan as described above. Unless otherwise
specified in the related Prospectus Supplement, neither the Master Servicer
nor the Company will be obligated to purchase or substitute for such Mortgage
Loan if the Subservicer or Seller, as the case may be, defaults on its
obligation to do so. Unless otherwise specified in the related Prospectus
Supplement, this purchase obligation constitutes the sole remedy available to
the Certificateholders or the Trustee for omission of, or a material defect
in, a constituent document. Any Mortgage Loan not so purchased or substituted
for shall remain in the related Trust Fund.
 
  The Trustee will be authorized at any time to appoint one or more custodians
(each, a "CUSTODIAN") pursuant to a custodial agreement to maintain possession
of and review documents relating to the Mortgage Loans as the agent of the
Trustee. The identity of such Custodian, if any, will be set forth in the
related Prospectus Supplement.
 
  With respect to the Mortgage Loans in a Mortgage Pool, except in the case of
a Designated Seller Transaction or as to Mortgage Loans underlying any
Mortgage Securities or unless otherwise specified in the related Prospectus
Supplement, the Company will make certain limited representations and
warranties as to the types and geographical concentrations of such Mortgage
Loans and as to the accuracy, in all material respects, of certain identifying
information in respect of each such Mortgage Loan (e.g., original Loan-to-
Value Ratio, principal balance as of the Cut-off Date, Mortgage Rate and
maturity). Upon a breach of any such representation which materially adversely
affects the interests of the Certificateholders in a Mortgage Loan, the
Company will be obligated to cure the breach in all material respects, to
purchase the Mortgage Loan at its Purchase Price or, unless otherwise
specified in the related Prospectus Supplement, to substitute for such
Mortgage Loan a Qualified Substitute Mortgage Loan in accordance with the
provisions for such substitution by Residential Funding as described above
under "Mortgage Loan Program--Representations by Sellers." However, the
Company will not be required to repurchase or substitute for any Mortgage Loan
in connection with a breach of a representation and warranty if the substance
of any such breach also constitutes fraud in the origination of the related
Mortgage Loan. Unless otherwise specified in the related Prospectus
Supplement, this purchase or substitution obligation constitutes the sole
remedy available to Certificateholders or the Trustee for such a breach of
representation by the Company. Any Mortgage Loan not so purchased or
substituted for shall remain in the related Trust Fund.
 
  The Master Servicer will make certain representations and warranties
regarding its authority to enter into, and its ability to perform its
obligations under, the Pooling and Servicing Agreement. Upon a breach of any
such representation of the Master Servicer which materially adversely affects
the interests of the Certificateholders in a Mortgage Loan, the Master
Servicer will be obligated either to cure the breach in all material respects
or to purchase the Mortgage Loan at its Purchase Price (less unreimbursed
advances made by the Master Servicer with respect to such Mortgage Loan) or,
unless otherwise specified in the related Prospectus Supplement, to substitute
for such Mortgage Loan a Qualified Substitute Mortgage Loan in accordance with
the provisions for such substitution described above under "Mortgage Loan
Program--Representations by Sellers." Unless otherwise specified in the
related Prospectus Supplement, this purchase or substitution obligation will
constitute the sole remedy available to Certificateholders or the Trustee for
such a breach of representation by the Master Servicer. Any Mortgage Loan not
so purchased or substituted for shall remain in the related Trust Fund.
 
 
                                      29
<PAGE>
 
  Pursuant to each Pooling and Servicing Agreement, the Master Servicer,
either directly or through Subservicers, will service and administer the
Mortgage Loans assigned to the Trustee as more fully set forth below.
 
SPREAD
 
  The Company, the Master Servicer or any of their affiliates, or such other
entity as may be specified in the related Prospectus Supplement may retain or
be paid a portion of interest due with respect to the related Mortgage Loans
or Mortgage Securities. The payment of any such portion of interest will be
disclosed in the related Prospectus Supplement. This payment may be in
addition to any other payment (such as the servicing fee) that any such entity
is otherwise entitled to receive with respect to the Mortgage Loans or
Mortgage Securities. Any such payment in respect of the Mortgage Loans or
Mortgage Securities will represent a specified portion of the interest payable
thereon and as specified in the related Prospectus Supplement, will either be
part of the assets transferred to the related Trust Fund (the "EXCESS SPREAD")
or will be excluded from the assets transferred to the related Trust Fund (the
"EXCLUDED SPREAD"). The interest portion of a Realized Loss or Extraordinary
Loss and any partial recovery of interest in respect of the Mortgage Loans or
Mortgage Securities will be allocated between the owners of any Excess Spread
or Excluded Spread and the Certificateholders entitled to payments of interest
as provided in the applicable Pooling and Servicing Agreement.
 
PAYMENTS ON MORTGAGE LOANS; DEPOSITS TO CERTIFICATE ACCOUNT
 
  Each Subservicer servicing a Mortgage Loan pursuant to a Subservicing
Agreement will establish and maintain an account (the "SUBSERVICING ACCOUNT")
which generally meets the requirements set forth in the Guide from time to
time, and is otherwise acceptable to the Master Servicer. A Subservicing
Account must be established with a Federal Home Loan Bank or with a depository
institution (including the Subservicer itself) whose accounts are insured by
the National Credit Union Share Insurance Fund or the FDIC, and any such
depository institution must meet certain minimum rating criteria set forth in
the Guide. Except as otherwise permitted by the applicable Rating Agencies, a
Subservicing Account generally must be segregated and may not be established
as a general ledger account, and only principal and interest payments and
escrow payments from mortgage loans serviced for Residential Funding may be
held therein.
 
  A Subservicer is required to deposit into its Subservicing Account on a
daily basis all amounts described above under "Mortgage Loan Program--
Subservicing by Sellers" that are received by it in respect of the Mortgage
Loans, less its servicing or other compensation. On or before the date
specified in the Subservicing Agreement (which date may be no later than the
business day prior to the Determination Date referred to below and is
currently the 18th day of each month or, if such day is not a business day,
the preceding business day), the Subservicer must remit or cause to be
remitted to the Master Servicer all funds held in the Subservicing Account
with respect to Mortgage Loans that are required to be so remitted, with the
exception of prepayments in full, certain partial prepayments and liquidation
proceeds which must be remitted to the Master Servicer within five business
days of receipt. The Subservicer is also required to advance on the scheduled
date of remittance any monthly installment of principal and interest, less its
servicing or other compensation, on any Mortgage Loan for which payment was
not received from the Mortgagor. Unless otherwise specified in the related
Prospectus Supplement, this obligation of the Subservicer to advance continues
through the first of the month following the date on which the related
Mortgaged Property is sold at a foreclosure sale or is acquired by the Trust
Fund by deed in lieu of foreclosure. The Certificateholders are not entitled
to any such advances made by a Subservicer. Each Subservicer may also be
required to pay to the Master Servicer, for the Master Servicer's account,
interest (net of its servicing or other compensation) on any partial
prepayment of principal received during a month and applied by such
Subservicer prior to the first day of the following month, from the date of
application of such payment to the first day of the following month.
 
  The Master Servicer will deposit or will cause to be deposited into the
Custodial Account certain payments and collections received by it subsequent
to the Cut-off Date (other than payments due on or before the Cut-off
 
                                      30
<PAGE>
 
Date), as specifically set forth in the related Pooling and Servicing
Agreement, which (except as otherwise provided therein) generally will include
the following:
 
    (i) all payments on account of principal of the Mortgage Loans comprising
  a Trust Fund;
 
    (ii) all payments on account of interest on the Mortgage Loans comprising
  such Trust Fund, net of the portion of each payment thereof retained by the
  Subservicer, if any, as its servicing or other compensation;
 
    (iii) all amounts (net of unreimbursed liquidation expenses and insured
  expenses incurred, and unreimbursed Servicing Advances made, by the related
  Subservicer) received and retained in connection with the liquidation of
  any defaulted Mortgage Loan, by foreclosure or otherwise ("LIQUIDATION
  PROCEEDS"), including all proceeds of any Special Hazard Insurance Policy,
  Bankruptcy Bond, Mortgage Pool Insurance Policy, Primary Insurance Policy
  and any title, hazard or other insurance policy or guaranty covering any
  Mortgage Loan in such Mortgage Pool (together with any payments under any
  Letter of Credit, "INSURANCE PROCEEDS") or proceeds from any alternative
  arrangements established in lieu of any such insurance and described in the
  applicable Prospectus Supplement, other than proceeds to be applied to the
  restoration of the related property or released to the Mortgagor in
  accordance with the Master Servicer's normal servicing procedures;
 
    (iv) any Buy-Down Funds (and, if applicable, investment earnings thereon)
  required to be paid to Certificateholders, as described below;
 
    (v) all proceeds of any Mortgage Loan in such Trust Fund purchased (or,
  in the case of a substitution, certain amounts representing a principal
  adjustment) by the Master Servicer, the Company, Residential Funding, any
  Subservicer or Seller or any other person pursuant to the terms of the
  Pooling and Servicing Agreement. See "Mortgage Loan Program--
  Representations by Sellers," "--Assignment of Mortgage Loans" above and
  "Purchase Obligations;"
 
    (vi) any amount required to be deposited by the Master Servicer in
  connection with losses realized on investments of funds held in the
  Custodial Account, as described below; and
 
    (vii) any amounts required to be transferred from the Certificate Account
  to the Custodial Account.
 
  In addition to the Custodial Account, the Master Servicer will establish and
maintain, in the name of the Trustee for the benefit of the holders of each
series of Certificates, an account for the disbursement of payments on the
Mortgage Loans evidenced by each series of Certificates (the "CERTIFICATE
ACCOUNT"). Both the Custodial Account and the Certificate Account must be
either (i) maintained with a depository institution whose debt obligations at
the time of any deposit therein are rated by any Rating Agency that rated any
Certificates of the related series not less than a specified level comparable
to the rating category of such Certificates, (ii) an account or accounts the
deposits in which are fully insured to the limits established by the FDIC,
provided that any deposits not so insured shall be otherwise maintained such
that, as evidenced by an opinion of counsel, the Certificateholders have a
claim with respect to the funds in such accounts or a perfected first priority
security interest in any collateral securing such funds that is superior to
the claims of any other depositors or creditors of the depository institution
with which such accounts are maintained, (iii) in the case of the Custodial
Account, a trust account or accounts maintained in either the corporate trust
department or the corporate asset services department of a financial
institution which has debt obligations that meet certain rating criteria, (iv)
in the case of the Certificate Account, a trust account or accounts maintained
with the Trustee, or (v) such other account or accounts acceptable to any
applicable Rating Agency (an "ELIGIBLE ACCOUNT"). The collateral that is
eligible to secure amounts in an Eligible Account is limited to certain
permitted investments, which are generally limited to United States government
securities and other investments that are rated, at the time of acquisition,
in one of the categories permitted by the related Pooling and Servicing
Agreement ("PERMITTED INVESTMENTS"). A Certificate Account may be maintained
as an interest-bearing or a non-interest-bearing account, or funds therein may
be invested in Permitted Investments as described below. The Custodial Account
may contain funds relating to more than one series of Mortgage Pass-Through
Certificates as well as payments received on other mortgage loans and assets
serviced or master serviced by the Master Servicer that have been deposited
into the Custodial Account.
 
                                      31
<PAGE>
 
  Unless otherwise set forth in the related Prospectus Supplement, not later
than the business day preceding each Distribution Date, the Master Servicer
will withdraw from the Custodial Account and deposit into the applicable
Certificate Account, in immediately available funds, the amount to be
distributed therefrom to Certificateholders on such Distribution Date. The
Master Servicer or the Trustee will also deposit or cause to be deposited into
the Certificate Account: (i) the amount of any advances made by the Master
Servicer as described herein under "--Advances," (ii) any payments under any
Letter of Credit, and any amounts required to be transferred to the
Certificate Account from a Reserve Fund, as described under "Description of
Credit Enhancement" below, (iii) any amounts required to be paid by the Master
Servicer out of its own funds due to the operation of a deductible clause in
any blanket policy maintained by the Master Servicer to cover hazard losses on
the Mortgage Loans as described under "Insurance Policies on Mortgage Loans"
below, (iv) any distributions received on any Mortgage Securities included in
the Trust Fund and (v) any other amounts as set forth in the related Pooling
and Servicing Agreement.
 
  The portion of any payment received by the Master Servicer in respect of a
Mortgage Loan that is allocable to Excess Spread or Excluded Spread, as
applicable, will generally be deposited into the Custodial Account, but any
Excluded Spread will not be deposited in the Certificate Account for the
related series of Certificates and will be distributed as provided in the
related Pooling and Servicing Agreement.
 
  Funds on deposit in the Custodial Account may be invested in Permitted
Investments maturing in general not later than the business day preceding the
next Distribution Date and funds on deposit in the related Certificate Account
may be invested in Permitted Investments maturing, in general, no later than
the Distribution Date. Except as otherwise specified in the related Prospectus
Supplement, all income and gain realized from any such investment will be for
the account of the Master Servicer as additional servicing compensation. The
amount of any loss incurred in connection with any such investment must be
deposited in the Custodial Account or in the Certificate Account, as the case
may be, by the Master Servicer out of its own funds upon realization of such
loss.
 
  With respect to each Buy-Down Mortgage Loan, the Subservicer will deposit
the related Buy-Down Funds provided to it in a Buy-Down Account which will
comply with the requirements set forth herein with respect to a Subservicing
Account. Unless otherwise specified in the related Prospectus Supplement, the
terms of all Buy-Down Mortgage Loans provide for the contribution of Buy-Down
Funds in an amount equal to or exceeding either (i) the total payments to be
made from such funds pursuant to the related buydown plan or (ii) if such Buy-
Down Funds are to be deposited on a discounted basis, that amount of Buy-Down
Funds which, together with investment earnings thereon at a rate as set forth
in the Guide from time to time will support the scheduled level of payments
due under the Buy-Down Mortgage Loan. Neither the Master Servicer nor the
Company will be obligated to add to any such discounted Buy-Down Funds any of
its own funds should investment earnings prove insufficient to maintain the
scheduled level of payments. To the extent that any such insufficiency is not
recoverable from the Mortgagor or, in an appropriate case, from the
Subservicer, distributions to Certificateholders may be affected. With respect
to each Buy-Down Mortgage Loan, the Subservicer will withdraw from the Buy-
Down Account and remit to the Master Servicer on or before the date specified
in the Subservicing Agreement described above the amount, if any, of the Buy-
Down Funds (and, if applicable, investment earnings thereon) for each Buy-Down
Mortgage Loan that, when added to the amount due from the Mortgagor on such
Buy-Down Mortgage Loan, equals the full monthly payment which would be due on
the Buy-Down Mortgage Loan if it were not subject to the buydown plan. The
Buy-Down Funds will in no event be a part of the related Trust Fund.
 
  If the Mortgagor on a Buy-Down Mortgage Loan prepays such Mortgage Loan in
its entirety during the Buy-Down Period, the Subservicer will withdraw from
the Buy-Down Account and remit to the Mortgagor or such other designated party
in accordance with the related buydown plan any Buy-Down Funds remaining in
the Buy-Down Account. If a prepayment by a Mortgagor during the Buy-Down
Period together with Buy-Down Funds will result in full prepayment of a Buy-
Down Mortgage Loan, the Subservicer will generally be required to withdraw
from the Buy-Down Account and remit to the Master Servicer the Buy-Down Funds
and investment
 
                                      32
<PAGE>
 
earnings thereon, if any, which together with such prepayment will result in a
prepayment in full; provided that Buy-Down Funds may not be available to cover
a prepayment under certain Mortgage Loan programs. Any Buy-Down Funds so
remitted to the Master Servicer in connection with a prepayment described in
the preceding sentence will be deemed to reduce the amount that would be
required to be paid by the Mortgagor to repay fully the related Mortgage Loan
if the Mortgage Loan were not subject to the buydown plan. Any investment
earnings remaining in the Buy-Down Account after prepayment or after
termination of the Buy-Down Period will be remitted to the related Mortgagor
or such other designated party pursuant to the agreement relating to each Buy-
Down Mortgage Loan (the "BUY-DOWN AGREEMENT"). If the Mortgagor defaults
during the Buy-Down Period with respect to a Buy-Down Mortgage Loan and the
property securing such Buy-Down Mortgage Loan is sold in liquidation (either
by the Master Servicer, the Primary Insurer, the insurer under the Mortgage
Pool Insurance Policy (the "POOL INSURER") or any other insurer), the
Subservicer will be required to withdraw from the Buy-Down Account the Buy-
Down Funds and all investment earnings thereon, if any, and remit the same to
the Master Servicer or, if instructed by the Master Servicer, pay the same to
the Primary Insurer or the Pool Insurer, as the case may be, if the Mortgaged
Property is transferred to such insurer and such insurer pays all of the loss
incurred in respect of such default.
 
WITHDRAWALS FROM THE CUSTODIAL ACCOUNT
 
  The Master Servicer may, from time to time, make withdrawals from the
Custodial Account for certain purposes, as specifically set forth in the
related Pooling and Servicing Agreement, which (except as otherwise provided
therein) generally will include the following:
 
    (i) to make deposits to the Certificate Account in the amounts and in the
  manner provided in the Pooling and Servicing Agreement and described above
  under "Payments on Mortgage Loans; Deposits to Certificate Account";
 
    (ii) to reimburse itself or any Subservicer for Advances, or for amounts
  advanced in respect of taxes, insurance premiums or similar expenses
  ("SERVICING ADVANCES") as to any Mortgaged Property, out of late payments
  or collections on the Mortgage Loan with respect to which such Advances or
  Servicing Advances were made;
 
    (iii) to pay to itself or any Subservicer unpaid Servicing Fees and
  Subservicing Fees, out of payments or collections of interest on each
  Mortgage Loan;
 
    (iv) to pay to itself as additional servicing compensation any investment
  income on funds deposited in the Custodial Account, any amounts remitted by
  Subservicers as interest in respect of partial prepayments on the Mortgage
  Loans, and, if so provided in the Pooling and Servicing Agreement, any
  profits realized upon disposition of a Mortgaged Property acquired by deed
  in lieu of foreclosure or repossession or otherwise allowed under the
  Pooling and Servicing Agreement;
 
    (v) to pay to itself, a Subservicer, Residential Funding, the Company or
  the Seller all amounts received with respect to each Mortgage Loan
  purchased, repurchased or removed pursuant to the terms of the Pooling and
  Servicing Agreement and not required to be distributed as of the date on
  which the related Purchase Price is determined;
 
    (vi) to pay the Company or its assignee, or any other party named in the
  related Prospectus Supplement, all amounts allocable to the Excluded
  Spread, if any, out of collections or payments which represent interest on
  each Mortgage Loan (including any Mortgage Loan as to which title to the
  underlying Mortgaged Property was acquired);
 
    (vii) to reimburse itself or any Subservicer for any Advance previously
  made which the Master Servicer has determined to not be ultimately
  recoverable from Liquidation Proceeds, Insurance Proceeds or otherwise (a
  "NONRECOVERABLE ADVANCE"), subject to any limitations set forth in the
  Pooling and Servicing Agreement as described in the related Prospectus
  Supplement;
 
    (viii) to reimburse itself or the Company for certain other expenses
  incurred for which it or the Company is entitled to reimbursement
  (including reimbursement in connection with enforcing any
 
                                      33
<PAGE>
 
  repurchase, substitution or indemnification obligation of any Seller) or
  against which it or the Company is indemnified pursuant to the Pooling and
  Servicing Agreement; and
 
    (ix) to withdraw any amount deposited in the Custodial Account that was
  not required to be deposited therein.
 
DISTRIBUTIONS
 
  Beginning on the Distribution Date in the month next succeeding the month in
which the Cut-off Date occurs (or such other date as may be set forth in the
related Prospectus Supplement) for a series of Certificates, distribution of
principal and interest (or, where applicable, of principal only or interest
only) on each class of Certificates entitled thereto will be made either by
the Trustee, the Master Servicer acting on behalf of the Trustee or a paying
agent appointed by the Trustee (the "PAYING AGENT"). Such distributions will
be made to the persons who are registered as the holders of such Certificates
at the close of business on the last business day of the preceding month (the
"RECORD DATE"). Notwithstanding any other reference herein to a Distribution
Date, with respect to a series of Certificates as to which the Trust Fund
includes Mortgage Securities, the date on which distributions are to be made
to the holders of such Certificates may be referred to as the "PAYMENT DATE,"
if so specified in the related Prospectus Supplement. Unless otherwise
specified in the related Prospectus Supplement, interest which accrues and is
not payable on a class of Certificates will be added to the principal balance
of each Certificate of such class. Distributions will be made in immediately
available funds (by wire transfer or otherwise) to the account of a
Certificateholder at a bank or other entity having appropriate facilities
therefor, if such Certificateholder has so notified the Trustee, the Master
Servicer or the Paying Agent, as the case may be, and the applicable Pooling
and Servicing Agreement provides for such form of payment, or by check mailed
to the address of the person entitled thereto as it appears on the Certificate
Register. Except as otherwise provided in the related Pooling and Servicing
Agreement, the final distribution in retirement of the Certificates will be
made only upon presentation and surrender of such Certificates at the office
or agency of the Trustee specified in the notice to such Certificateholders.
Distributions will be made to each Certificateholder in accordance with such
holder's Percentage Interest in a particular class. The "PERCENTAGE INTEREST"
represented by a Certificate of a particular class will be equal to the
percentage obtained by dividing the initial principal balance or notional
amount of such Certificate by the aggregate initial amount or notional balance
of all the Certificates of such class.
 
PRINCIPAL AND INTEREST ON THE CERTIFICATES
 
  The method of determining, and the amount of, distributions of principal and
interest (or, where applicable, of principal only or interest only) on a
particular series of Certificates will be described in the related Prospectus
Supplement. Distributions of interest on each class of Certificates will be
made prior to distributions of principal thereon. Each class of Certificates
(other than certain classes of Strip Certificates) may have a different Pass-
Through Rate, which may be a fixed, variable or adjustable Pass-Through Rate,
or any combination of two or more such Pass-Through Rates. The related
Prospectus Supplement will specify the Pass-Through Rate or Rates for each
class, or the initial Pass-Through Rate or Rates and the method for
determining the Pass-Through Rate or Rates. If so specified in the related
Prospectus Supplement, interest on any class of Certificates for any
Distribution Date may be limited to the extent of available funds for such
Distribution Date. Unless otherwise specified in the related Prospectus
Supplement, interest on the Certificates will be calculated on the basis of a
360-day year consisting of twelve 30-day months.
 
  On each Distribution Date for a series of Certificates, the Trustee or the
Master Servicer on behalf of the Trustee will distribute or cause the Paying
Agent to distribute, as the case may be, to each holder of record on the
Record Date of a class of Certificates, an amount equal to the Percentage
Interest represented by the Certificate held by such holder multiplied by such
class's Distribution Amount. The "DISTRIBUTION AMOUNT" for a class of
Certificates for any Distribution Date will be the portion, if any, of the
Principal Distribution Amount (as defined in the related Prospectus
Supplement) allocable to such class for such Distribution Date, plus, if such
class is entitled to payments of interest on such Distribution Date, one
month's interest at the applicable Pass-Through Rate on the principal balance
or notional amount of such class specified in the
 
                                      34
<PAGE>
 
applicable Prospectus Supplement, less certain interest shortfalls, which
generally will include (i) any Deferred Interest added to the principal
balance of the Mortgage Loans and/or the outstanding balance of one or more
classes of Certificates on the related Due Date, (ii) any other interest
shortfalls (including, without limitation, shortfalls resulting from
application of the Relief Act or similar legislation or regulations as in
effect from time to time) allocable to Certificateholders which are not
covered by advances or the applicable credit enhancement and (iii) unless
otherwise specified in the related Prospectus Supplement, Prepayment Interest
Shortfalls (as defined herein), in each case in such amount that is allocated
to such class on the basis set forth in the Prospectus Supplement.
 
  In the case of a series of Certificates which includes two or more classes
of Certificates, the timing, sequential order, priority of payment or amount
of distributions in respect of principal, and any schedule or formula or other
provisions applicable to the determination thereof (including distributions
among multiple classes of Senior Certificates or Subordinate Certificates)
shall be set forth in the related Prospectus Supplement. Distributions in
respect of principal of any class of Certificates will be made on a pro rata
basis among all of the Certificates of such class unless otherwise set forth
in the related Prospectus Supplement.
 
  Except as otherwise provided in the related Pooling and Servicing Agreement,
on or prior to the 20th day (or, if such day is not a business day, the next
business day) of the month of distribution (the "DETERMINATION DATE"), the
Master Servicer will determine the amounts of principal and interest which
will be passed through to Certificateholders on the immediately succeeding
Distribution Date. Prior to the close of business on the business day next
succeeding each Determination Date, the Master Servicer will furnish a
statement to the Trustee (the information in such statement to be made
available to Certificateholders by the Master Servicer on request) setting
forth, among other things, the amount to be distributed on the next succeeding
Distribution Date.
 
EXAMPLE OF DISTRIBUTIONS
 
  The following chart sets forth an example of the flow of funds as it would
relate to a hypothetical series of Certificates issued, and with a Cut-off
Date occurring, in July 1996:
 
<TABLE>
<CAPTION>
DATE               NOTE DESCRIPTION
- ----               ---- -----------
<S>                <C>  <C>
July 1............ (A)  Cut-off Date.
July 2-31......... (B)  Subservicers receive any Principal Prepayments and
                         applicable interest thereon.
July 31........... (C)  Record Date.
August 1.......... (D)  The due date for payments on a Mortgage Loan (the "DUE
                         DATE").
August 16......... (E)  Subservicers remit to the Master Servicer scheduled
                         payments of principal and interest due on August 1 and
                         received or advanced by them.
August 20......... (F)  Determination Date.
August 26......... (G)  Distribution Date.
</TABLE>
 
Succeeding months follow the pattern of (B) through (G), except that for
succeeding months, (B) will also include the first day of such month. Certain
series of Certificates may have different prepayment periods, Cut-off Dates,
Record Dates, Due Dates, remittance dates, Determination Dates and/or
Distribution Dates than those set forth above.
- --------
(A) The initial principal balance of the Mortgage Pool will be the aggregate
    principal balance of the Mortgage Loans at the close of business on July
    1, 1996, after deducting principal payments due on or before such date.
    Those principal payments due on or before July 1, and the accompanying
    interest payments, and any Principal Prepayments received as of the close
    of business on July 1, 1996 are not part of the Mortgage Pool and will not
    be passed through to Certificateholders.
 
                                             (footnotes continued on next page)
 
                                      35
<PAGE>
 
(footnotes continued from previous page)
(B) Any principal payments received in advance of the scheduled Due Date and
    not accompanied by a payment of interest for any period following the date
    of payment ("PRINCIPAL PREPAYMENTS") may be received at any time during
    this period and will be remitted to the Master Servicer as described in
    (E) below for distribution to Certificateholders as described in (F)
    below. When a Mortgage Loan is prepaid in full, interest on the amount
    prepaid is collected from the Mortgagor only to the date of payment.
    Partial Principal Prepayments are applied so as to reduce the principal
    balances of the related Mortgage Loans as of the first day of the month in
    which the payments are made; no interest will be paid to
    Certificateholders in respect of such prepaid amounts for the month in
    which such partial Principal Prepayments were received.
 
(C) Distributions on August 26 will be made to Certificateholders of record at
    the close of business on July 31.
 
(D) Scheduled principal and interest payments are due from Mortgagors.
 
(E) Payments due on August 1 from Mortgagors will be deposited by the
    Subservicers in Subservicing Accounts (or will be otherwise managed in a
    manner acceptable to the Rating Agencies) as received and will include the
    scheduled principal payments plus interest on the July balances (with the
    exception of interest from the date of prepayment of any Mortgage Loan
    prepaid in full during July and interest on the amount of partial
    Principal Prepayments in July). Funds required to be remitted from the
    Subservicing Accounts to the Master Servicer will be so remitted on August
    16 (because August 18, 1996 is not a business day) together with any
    required Advances by the Subservicers (except that Principal Prepayments
    in full and certain Principal Prepayments in part received by Subservicers
    during the month of July will have been remitted to the Master Servicer
    within five business days of receipt).
 
(F) On August 20, the Master Servicer will determine the amounts of principal
    and interest which will be passed through on August 26 to the holders of
    each class of Certificates. The Master Servicer will be obligated to
    distribute those payments due August 1 which have been received from
    Subservicers prior to and including August 16, as well as all Principal
    Prepayments received on Mortgage Loans in July (with interest adjusted to
    the Pass-Through Rates applicable to the respective classes of
    Certificates and reduced on account of Principal Prepayments as described
    above). Distributions to the holders of Senior Certificates, if any, on
    August 26 may include certain amounts otherwise distributable to the
    holders of the related Subordinate Certificates, amounts withdrawn from
    any Reserve Fund and amounts advanced by the Master Servicer under the
    circumstances described in "Subordination" and "--Advances."
 
(G) On August 26 (because August 25, 1996 is not a business day, the next
    succeeding business day), the amounts determined on August 20 will be
    distributed to Certificateholders.
 
  If provided in the related Prospectus Supplement, the Distribution Date with
respect to any series of Certificates as to which the Trust Fund includes
Mortgage Securities may be a specified date or dates other than the 25th day
of each month in order to allow for the receipt of distributions on such
Mortgage Securities.
 
ADVANCES
 
  Unless otherwise specified in the related Prospectus Supplement, the Master
Servicer will agree to advance (either out of its own funds, funds advanced to
it by Subservicers or funds being held in the Custodial Account for future
distribution), for the benefit of the Certificateholders, on or before each
Distribution Date, an amount equal to the aggregate of all scheduled payments
of principal (other than any Balloon Amount in the case of a Balloon Loan) and
interest at the applicable Pass-Through Rate or Net Mortgage Rate, as the case
may be (an "ADVANCE"), which were delinquent as of the close of business on
the business day preceding the Determination Date on the Mortgage Loans, but
only to the extent that such Advances would, in the judgment of the Master
Servicer, be recoverable out of late payments by the Mortgagors, Liquidation
Proceeds, Insurance Proceeds or otherwise. The amount of any Advance will be
determined based on the amount payable under the Mortgage Loan as adjusted
from time to time and as may be modified as described below under "--
Collection and Other Servicing Practices," and no Advance will be required in
connection with any reduction in amounts payable pursuant to the Relief Act or
as a result of certain actions taken by a bankruptcy court. As specified in
the related Prospectus Supplement with respect to any series of Certificates
as to which the Trust Fund includes Mortgage Securities, the Master Servicer's
advancing obligations will be pursuant to the terms of such Mortgage
Securities, as may be supplemented by the terms of the applicable Pooling and
Servicing Agreement, and may differ from the provisions relating to Advances
described herein.
 
                                      36
<PAGE>
 
  Advances are intended to maintain a regular flow of scheduled interest and
principal payments to related Certificateholders. Such Advances do not
represent an obligation of the Master Servicer to guarantee or insure against
losses. If Advances have been made by the Master Servicer from cash being held
for future distribution to Certificateholders, such funds will be required to
be replaced on or before any future Distribution Date to the extent that funds
in the Certificate Account on such Distribution Date would be less than
payments required to be made to Certificateholders. Any Advances will be
reimbursable to the Master Servicer out of recoveries on the related Mortgage
Loans for which such amounts were advanced (e.g., late payments made by the
related Mortgagor, any related Liquidation Proceeds and Insurance Proceeds,
proceeds of any applicable form of credit enhancement, or proceeds of any
Mortgage Loan purchased by the Company, Residential Funding, a Subservicer or
a Seller under the circumstances described above). Such Advances may also be
reimbursable from cash otherwise distributable to Certificateholders to the
extent that the Master Servicer shall determine that any such Advances
previously made are not ultimately recoverable as described above. With
respect to any Senior/Subordinate Series, so long as the related Subordinate
Certificates remain outstanding and subject to certain limitations with
respect to Special Hazard Losses, Fraud Losses, Bankruptcy Losses and
Extraordinary Losses, such Advances may also be reimbursable out of amounts
otherwise distributable to holders of the Subordinate Certificates, if any.
The Master Servicer may also be obligated to make Servicing Advances, to the
extent recoverable out of Liquidation Proceeds or otherwise, in respect of
certain taxes and insurance premiums not paid by Mortgagors on a timely basis.
Funds so advanced may be reimbursable to the Master Servicer to the extent
permitted by the Pooling and Servicing Agreement. Notwithstanding the
foregoing, if the Master Servicer exercises its option, if any, to purchase
the assets of a Trust Fund as described under "The Pooling and Servicing
Agreement--Termination; Retirement of Certificates" below, the Master Servicer
will be deemed to have been reimbursed for all related Advances previously
made by it and not theretofore reimbursed to it. The Master Servicer's
obligation to make Advances may be supported by another entity, a letter of
credit or other method as may be described in the related Pooling and
Servicing Agreement. In the event that the short-term or long-term obligations
of the provider of such support are downgraded by a Rating Agency rating the
related Certificates or if any collateral supporting such obligation is not
performing or is removed pursuant to the terms of any agreement described in
the related Prospectus Supplement, the Certificates may also be downgraded.
 
PREPAYMENT INTEREST SHORTFALLS
 
  When a Mortgagor prepays a Mortgage Loan in full between scheduled Due Dates
for such Mortgage Loan, the Mortgagor pays interest on the amount prepaid only
to but not including the date on which such Principal Prepayment is made.
Similarly, Liquidation Proceeds from a Mortgaged Property will not include
interest for any period after the date on which the liquidation took place.
The shortfall between a full month's interest due with respect to a Mortgage
Loan and the amount of interest paid or recovered with respect thereto in the
event of a prepayment or liquidation is referred to as a "PREPAYMENT INTEREST
SHORTFALL." If so specified in the related Prospectus Supplement, to the
extent funds are available from the Servicing Fee, the Master Servicer may
make an additional payment to Certificateholders with respect to any Mortgage
Loan that prepaid in full during the related prepayment period equal to the
amount, if any, necessary to assure that, on the related Distribution Date,
the Available Distribution Amount would include with respect to each such
Mortgage Loan an amount equal to interest at the Mortgage Rate (less the
Servicing Fee and Excluded Spread, if any) for such Mortgage Loan from the
date of such prepayment to the related Due Date (such amount, "COMPENSATING
INTEREST"). Unless otherwise specified in the related Prospectus Supplement,
Compensating Interest will be limited to the aggregate amount (or any portion
thereof) of the Servicing Fee received by the Master Servicer in that month in
relation to the Mortgage Loans or in any other manner, and, if so limited, may
not be sufficient to cover the Prepayment Interest Shortfall. If so disclosed
in the related Prospectus Supplement, Prepayment Interest Shortfalls may be
applied to reduce interest otherwise payable with respect to one or more
classes of Certificates of a series. See "Yield Considerations."
 
REPORTS TO CERTIFICATEHOLDERS
 
  On each Distribution Date, the Master Servicer will forward or cause to be
forwarded to each Certificateholder of record a statement or statements with
respect to the related Trust Fund setting forth the
 
                                      37
<PAGE>
 
information described in the related Pooling and Servicing Agreement. Except
as otherwise provided in the related Pooling and Servicing Agreement, such
information generally will include the following (as applicable):
 
    (i) the amount, if any, of such distribution allocable to principal;
 
    (ii) the amount, if any, of such distribution allocable to interest and
  the amount, if any, of any shortfall in the amount of interest and
  principal;
 
    (iii) the aggregate unpaid principal balance of the Mortgage Loans after
  giving effect to the distribution of principal on such Distribution Date;
 
    (iv) the outstanding principal balance or notional amount of each class
  of Certificates after giving effect to the distribution of principal on
  such Distribution Date;
 
    (v) based on the most recent reports furnished by Subservicers, the
  number and aggregate principal balances of Mortgage Loans in the related
  Mortgage Pool that are delinquent (a) one month, (b) two months and (c)
  three months, and that are in foreclosure;
 
    (vi) the book value of any property acquired by such Trust Fund through
  foreclosure or grant of a deed in lieu of foreclosure;
 
    (vii) the balance of the Reserve Fund, if any, at the close of business
  on such Distribution Date;
 
    (viii) the percentage of the outstanding principal balances of the Senior
  Certificates, if applicable, after giving effect to the distributions on
  such Distribution Date;
 
    (ix) the amount of coverage under any Letter of Credit, Mortgage Pool
  Insurance Policy or other form of credit enhancement covering default risk
  as of the close of business on the applicable Determination Date and a
  description of any credit enhancement substituted therefor;
 
    (x) if applicable, the Special Hazard Amount, Fraud Loss Amount and
  Bankruptcy Amount as of the close of business on the applicable
  Distribution Date and a description of any change in the calculation of
  such amounts;
 
    (xi) in the case of Certificates benefiting from alternative credit
  enhancement arrangements described in a Prospectus Supplement, the amount
  of coverage under such alternative arrangements as of the close of business
  on the applicable Determination Date;
 
    (xii) the servicing fee payable to the Master Servicer and the
  Subservicer; and
 
    (xiii) with respect to any series of Certificates as to which the Trust
  Fund includes Mortgage Securities, certain additional information as
  required under the related Pooling and Servicing Agreement.
 
  Each amount set forth pursuant to clause (i) or (ii) above will be expressed
as a dollar amount per Single Certificate. As to a particular class of
Certificates, a "SINGLE CERTIFICATE" generally will evidence a Percentage
Interest obtained by dividing $1,000 by the initial principal balance or
notional balance of all the Certificates of such class, except as otherwise
provided in the related Pooling and Servicing Agreement. In addition to the
information described above, reports to Certificateholders will contain such
other information as is set forth in the applicable Pooling and Servicing
Agreement, which may include, without limitation, information as to Advances,
reimbursements to Subservicers and the Master Servicer and losses borne by the
related Trust Fund.
 
  In addition, to the extent described in the related Pooling and Servicing
Agreement, within a reasonable period of time after the end of each calendar
year, the Master Servicer will furnish a report to each person that was a
holder of record of any class of Certificates at any time during such calendar
year. Such report will include information as to the aggregate of amounts
reported pursuant to clauses (i) and (ii) above for such calendar year or, in
the event such person was a holder of record of a class of Certificates during
a portion of such calendar year, for the applicable portion of such year.
 
COLLECTION AND OTHER SERVICING PROCEDURES
 
  The Master Servicer, directly or through Subservicers, as the case may be,
will make reasonable efforts to collect all payments called for under the
Mortgage Loans and will, consistent with the related Pooling and
 
                                      38
<PAGE>
 
Servicing Agreement and any applicable insurance policy or other credit
enhancement, follow such collection procedures as it follows with respect to
mortgage loans serviced by it that are comparable to the Mortgage Loans. The
Master Servicer may, in its discretion, waive any prepayment charge in
connection with the prepayment of a Mortgage Loan or extend the Due Dates for
payments due on a Mortgage Note, provided that the insurance coverage for such
Mortgage Loan or any coverage provided by any alternative credit enhancement
will not be adversely affected thereby. With respect to any series of
Certificates as to which the Trust Fund includes Mortgage Securities, the
Master Servicer's servicing and administration obligations will be pursuant to
the terms of such Mortgage Securities.
 
  Under its Subservicing Agreement, a Subservicer is granted certain
discretion to extend relief to Mortgagors whose payments become delinquent. A
Subservicer may grant a period of temporary indulgence (generally up to three
months) to a Mortgagor or may enter into a liquidating plan providing for
repayment by the Mortgagor of delinquent amounts within six months from the
date of execution of the plan, in each case without the prior approval of the
Master Servicer. Other types of forbearance generally require Master Servicer
approval. Neither indulgence nor forbearance with respect to a Mortgage Loan
will affect the Pass-Through Rate or Rates used in calculating distributions
to Certificateholders. See "--Distributions."
 
  In certain instances in which a Mortgage Loan is in default (or if default
is reasonably foreseeable), and if determined by the Master Servicer to be in
the best interests of the related Certificateholders, the Master Servicer may
permit certain modifications of the Mortgage Loan rather than proceeding with
foreclosure. In making such determination, the estimated Realized Loss that
might result if such Mortgage Loan were liquidated would be taken into
account. Such modifications may have the effect of reducing the Mortgage Rate
or extending the final maturity date of the Mortgage Loan. Any such modified
Mortgage Loan may remain in the related Trust Fund, and the reduction in
collections resulting from such modification may result in reduced
distributions of interest (or other amounts) on, or may extend the final
maturity of, one or more classes of the related Certificates.
 
  In connection with any significant partial prepayment of a Mortgage Loan,
the Master Servicer, to the extent not inconsistent with the terms of the
Mortgage Note and local law and practice, may permit the Mortgage Loan to be
re-amortized such that the monthly payment is recalculated as an amount that
will fully amortize the remaining principal amount thereof by the original
maturity date based on the original Mortgage Rate, provided that such re-
amortization shall not be permitted if it would constitute a modification of
the Mortgage Loan for federal income tax purposes.
 
  In any case in which property subject to a Mortgage Loan (other than an ARM
Loan described below) is being conveyed by the Mortgagor, the Master Servicer,
directly or through a Subservicer, shall in general be obligated, to the
extent it has knowledge of such conveyance, to exercise its rights to
accelerate the maturity of such Mortgage Loan under any due-on-sale clause
applicable thereto, but only if the exercise of such rights is permitted by
applicable law and only to the extent it would not adversely affect or
jeopardize coverage under any Primary Insurance Policy or applicable credit
enhancement arrangements. If the Master Servicer or Subservicer is prevented
from enforcing such due-on-sale clause under applicable law or if the Master
Servicer or Subservicer determines that it is reasonably likely that a legal
action would be instituted by the related Mortgagor to avoid enforcement of
such due-on-sale clause, the Master Servicer or Subservicer will enter into an
assumption and modification agreement with the person to whom such property
has been or is about to be conveyed, pursuant to which such person becomes
liable under the Mortgage Note subject to certain specified conditions. The
original Mortgagor may be released from liability on a Mortgage Loan if the
Master Servicer or Subservicer shall have determined in good faith that such
release will not adversely affect the collectability of the Mortgage Loan. An
ARM Loan may be assumed if such ARM Loan is by its terms assumable and if, in
the reasonable judgment of the Master Servicer or the Subservicer, the
proposed transferee of the related Mortgaged Property establishes its ability
to repay the loan and the security for such ARM Loan would not be impaired by
the assumption. If a Mortgagor transfers the Mortgaged Property subject to an
ARM Loan without consent, such ARM Loan may be declared due and payable. Any
fee collected by the Master Servicer or Subservicer for entering into an
assumption or substitution of liability agreement will be retained by the
Master Servicer or Subservicer as additional servicing compensation unless
otherwise set forth in the related Prospectus Supplement.
 
                                      39
<PAGE>
 
See "Certain Legal Aspects of Mortgage Loans and Related Matters--
Enforceability of Certain Provisions" herein. In connection with any such
assumption, the Mortgage Rate borne by the related Mortgage Note may not be
altered. Mortgagors may, from time to time, request partial releases of the
Mortgaged Properties, easements, consents to alteration or demolition and
other similar matters. The Master Servicer or the related Subservicer may
approve such a request if it has determined, exercising its good faith
business judgment in the same manner as it would if it were the owner of the
related Mortgage Loan, that such approval will not adversely affect the
security for, and the timely and full collectability of, the related Mortgage
Loan. Any fee collected by the Master Servicer or the Subservicer for
processing such request will be retained by the Master Servicer or Subservicer
as additional servicing compensation.
 
  The Master Servicer will be required to maintain a fidelity bond and errors
and omissions policy with respect to its officers and employees and other
persons acting on behalf of the Master Servicer in connection with its
activities under the Pooling and Servicing Agreement.
 
REALIZATION UPON DEFAULTED MORTGAGE LOANS
 
  In the event that title to any Mortgaged Property is acquired in foreclosure
or by deed in lieu of foreclosure, the deed or certificate of sale will be
issued to the Trustee or to its nominee on behalf of Certificateholders.
Notwithstanding any such acquisition of title and cancellation of the related
Mortgage Loan, such Mortgage Loan (an "REO MORTGAGE LOAN") will be considered
for most purposes to be an outstanding Mortgage Loan held in the Trust Fund
until such time as the Mortgaged Property is sold and all recoverable
Liquidation Proceeds and Insurance Proceeds have been received with respect to
such defaulted Mortgage Loan (a "LIQUIDATED MORTGAGE LOAN"). For purposes of
calculations of amounts distributable to Certificateholders in respect of an
REO Mortgage Loan, the amortization schedule in effect at the time of any such
acquisition of title (before any adjustment thereto by reason of any
bankruptcy or any similar proceeding or any moratorium or similar waiver or
grace period) will be deemed to have continued in effect (and, in the case of
an ARM Loan, such amortization schedule will be deemed to have adjusted in
accordance with any interest rate changes occurring on any adjustment date
therefor) so long as such REO Mortgage Loan is considered to remain in the
Trust Fund. If a REMIC election has been made, any Mortgaged Property so
acquired by the Trust Fund must be disposed of in accordance with applicable
federal income tax regulations and consistent with the status of the Trust
Fund as a REMIC. To the extent provided in the related Pooling and Servicing
Agreement, any income (net of expenses and other than gains described below)
received by the Subservicer or the Master Servicer on such Mortgaged Property
prior to its disposition will be deposited in the Custodial Account upon
receipt and will be available at such time to the extent provided in the
related Pooling and Servicing Agreement, for making payments to
Certificateholders.
 
  With respect to a Mortgage Loan in default, the Master Servicer may pursue
foreclosure (or similar remedies) concurrently with pursuing any remedy for a
breach of a representation and warranty. However, the Master Servicer is not
required to continue to pursue both such remedies if it determines that one
such remedy is more likely to result in a greater recovery. If such Mortgage
Loan is an Additional Collateral Loan, the Master Servicer (or the related
Subservicer, if the lien on the Additional Collateral for such Additional
Collateral Loan is not assigned to the Trustee on behalf of the
Certificateholders) may proceed against the related Mortgaged Property or the
related Additional Collateral first or may proceed against both concurrently
(as permitted by applicable law and the terms under which such Additional
Collateral is held, including any third-party guarantee). Upon the first to
occur of final liquidation and a repurchase or substitution pursuant to a
breach of a representation and warranty, such Mortgage Loan will be removed
from the related Trust Fund. The Master Servicer may elect to treat a
defaulted Mortgage Loan as having been finally liquidated if substantially all
amounts expected to be received in connection therewith have been received.
Any additional liquidation expenses relating to such Mortgage Loan thereafter
incurred will be reimbursable to the Master Servicer (or any Subservicer) from
any amounts otherwise distributable to the related Certificateholders, or may
be offset by any subsequent recovery related to such Mortgage Loan.
Alternatively, for purposes of determining the amount of related Liquidation
Proceeds to be distributed to Certificateholders, the amount of any Realized
Loss or the amount required to be drawn under any applicable form of credit
enhancement, the Master Servicer may take
 
                                      40
<PAGE>
 
into account minimal amounts of additional receipts expected to be received,
as well as estimated additional liquidation expenses expected to be incurred
in connection with such defaulted Mortgage Loan.
 
  With respect to certain series of Certificates, if so provided in the
related Prospectus Supplement, the applicable form of credit enhancement may
provide, to the extent of coverage thereunder, that a defaulted Mortgage Loan
or REO Mortgage Loan will be removed from the Trust Fund prior to the final
liquidation thereof. In the case of a Senior/Subordinate Series, unless
otherwise specified in the related Prospectus Supplement, if a final
liquidation of a Mortgage Loan resulted in a Realized Loss and within two
years thereafter the Master Servicer receives a subsequent recovery
specifically related to such Mortgage Loan (in connection with a related
breach of a representation or warranty or otherwise), such subsequent recovery
shall be distributed to the then-current Certificateholders of any outstanding
class to which such Realized Loss was allocated (with the amounts to be
distributed allocated among such classes in the same proportions as such
Realized Loss was allocated), provided that no such distribution shall result
in distributions on the Certificates of any such class in excess of the total
amounts of principal and interest that would have been distributable thereon
if such Mortgage Loan had been liquidated with no Realized Loss. In the event
that any such class of Certificates to which such Realized Loss was allocated
is no longer outstanding, such subsequent recovery shall be distributed to the
persons who were the holders of such class of Certificates when it was
retired. In the case of a series of Certificates other than a
Senior/Subordinate Series, if so provided in the related Prospectus
Supplement, the applicable form of credit enhancement may provide for
reinstatement subject to certain conditions in the event that, following the
final liquidation of a Mortgage Loan and a draw under such credit enhancement,
subsequent recoveries are received. If a defaulted Mortgage Loan or REO
Mortgage Loan is not so removed from the Trust Fund, then, upon the final
liquidation thereof, if a loss is realized which is not covered by any
applicable form of credit enhancement or other insurance, the
Certificateholders will bear such loss. However, if a gain results from the
final liquidation of an REO Mortgage Loan which is not required by law to be
remitted to the related Mortgagor, the Master Servicer will be entitled to
retain such gain as additional servicing compensation unless the related
Prospectus Supplement provides otherwise. For a description of the Master
Servicer's obligations to maintain and make claims under applicable forms of
credit enhancement and insurance relating to the Mortgage Loans, see
"Description of Credit Enhancement" and "Insurance Policies on Mortgage
Loans."
 
  For a discussion of legal rights and limitations associated with the
foreclosure of a Mortgage Loan, see "Certain Legal Aspects of Mortgage Loans."
 
                                 SUBORDINATION
 
GENERAL
 
  A Senior/Subordinate Series of Certificates will consist of one or more
classes of Senior Certificates and one or more classes of Subordinate
Certificates, as specified in the related Prospectus Supplement. Subordination
of the Subordinate Certificates of any Senior/Subordinate Series will be
effected by the following method, unless an alternative method is specified in
the related Prospectus Supplement. In addition, certain classes of Senior (or
Subordinate) Certificates may be senior to other classes of Senior (or
Subordinate) Certificates, as specified in the related Prospectus Supplement.
 
  With respect to any Senior/Subordinate Series, the total amount available
for distribution on each Distribution Date, as well as the method for
allocating such amount among the various classes of Certificates included in
such series, will be described in the related Prospectus Supplement.
Generally, with respect to any such series, the amount available for
distribution will be allocated first to interest on the Senior Certificates of
such series, and then to principal of the Senior Certificates up to the
amounts described in the related Prospectus Supplement, prior to allocation of
any amounts to the Subordinate Certificates.
 
  With respect to any defaulted Mortgage Loan that is finally liquidated, the
amount of loss realized, if any (as described in the related Pooling and
Servicing Agreement, a "REALIZED LOSS"), will equal the portion of the
 
                                      41
<PAGE>
 
Stated Principal Balance remaining after application of all amounts recovered
(net of amounts reimbursable to the Master Servicer for related Advances and
expenses) towards interest and principal owing on the Mortgage Loan. With
respect to a Mortgage Loan the principal balance of which has been reduced in
connection with bankruptcy proceedings, the amount of such reduction will be
treated as a Realized Loss. The "STATED PRINCIPAL BALANCE" of any Mortgage
Loan as of any date of determination is equal to the principal balance thereof
as of the Cut-off Date, after application of all scheduled principal payments
due on or before the Cut-off Date, whether received or not, reduced by all
amounts allocable to principal that are distributed to Certificateholders on
or before the date of determination, and as further reduced to the extent that
any Realized Loss thereon has been allocated to any Certificates on or before
such date.
 
  If so provided in the Pooling and Servicing Agreement, the Master Servicer
may be permitted, under certain circumstances, to purchase any Mortgage Loan
that is three or more months delinquent in payments of principal and interest,
at the Purchase Price. Any Realized Loss subsequently incurred in connection
with any such Mortgage Loan will be borne by the then-current
Certificateholders of the class or classes that would have borne such Realized
Loss if such Mortgage Loan had not been so purchased.
 
  In the event of any Realized Losses not in excess of the limitations
described below (other than Extraordinary Losses), the rights of the
Subordinate Certificateholders to receive distributions will be subordinate to
the rights of the Senior Certificateholders and the owner of the Excess Spread
and as to certain classes of Subordinate Certificates, may be subordinate to
the rights of other Subordinate Certificateholders.
 
  Except as noted below, Realized Losses will be allocated to the Subordinate
Certificates of the related series until the outstanding principal balances
thereof have been reduced to zero. Additional Realized Losses, if any, will be
allocated to the Senior Certificates. If such series includes more than one
class of Senior Certificates, such additional Realized Losses will be
allocated either on a pro rata basis among all of the Senior Certificates in
proportion to their respective outstanding principal balances or as otherwise
provided in the related Prospectus Supplement.
 
  With respect to certain Realized Losses resulting from physical damage to
Mortgaged Properties which are generally of the same type as are covered under
a Special Hazard Insurance Policy, the amount thereof that may be allocated to
the Subordinate Certificates of the related series may be limited to an amount
(the "SPECIAL HAZARD AMOUNT") specified in the related Prospectus Supplement.
See "Description of Credit Enhancement--Special Hazard Insurance Policies." If
so, any Special Hazard Losses in excess of the Special Hazard Amount will be
allocated among all outstanding classes of Certificates of the related series,
either on a pro rata basis in proportion to their outstanding principal
balances, or as otherwise provided in the related Prospectus Supplement. The
respective amounts of other specified types of losses (including Fraud Losses
and Bankruptcy Losses) that may be borne solely by the Subordinate
Certificates may be similarly limited to an amount (with respect to Fraud
Losses, the "FRAUD LOSS AMOUNT" and with respect to Bankruptcy Losses, the
"BANKRUPTCY AMOUNT"), and the Subordinate Certificates may provide no coverage
with respect to certain other specified types of losses, as described in the
related Prospectus Supplement, in which case such losses would be allocated on
a pro rata basis among all outstanding classes of Certificates or as otherwise
specified in the related Prospectus Supplement. Each of the Special Hazard
Amount, Fraud Loss Amount and Bankruptcy Amount may be subject to periodic
reductions and may be subject to further reduction or termination, without the
consent of the Certificateholders, upon the written confirmation from each
applicable Rating Agency, as set forth in the related Prospectus Supplement,
that the then-current rating of the related series of Certificates will not be
adversely affected thereby.
 
  Generally, any allocation of a Realized Loss (including a Special Hazard
Loss) to a Certificate in a Senior/Subordinate Series will be made by reducing
the outstanding principal balance thereof as of the Distribution Date
following the calendar month in which such Realized Loss was incurred.
 
  As set forth above, the rights of holders of the various classes of
Certificates of any series to receive distributions of principal and interest
is determined by the aggregate outstanding principal balance of each such
 
                                      42
<PAGE>
 
class (or, if applicable, the related notional amount). The outstanding
principal balance of any Certificate will be reduced by all amounts previously
distributed on such Certificate in respect of principal, and by any Realized
Losses allocated thereto. If there are no Realized Losses or Principal
Prepayments on any of the Mortgage Loans, the respective rights of the holders
of Certificates of any series to future distributions generally would not
change. However, to the extent set forth in the related Prospectus Supplement,
holders of Senior Certificates may be entitled to receive a disproportionately
larger amount of prepayments received during certain specified periods, which
will have the effect (absent offsetting losses) of accelerating the
amortization of the Senior Certificates and increasing the respective
percentage ownership interest evidenced by the Subordinate Certificates in the
related Trust Fund (with a corresponding decrease in the percentage of the
outstanding principal balances of the Senior Certificates), thereby preserving
the availability of the subordination provided by the Subordinate
Certificates. In addition, as set forth above, certain Realized Losses
generally will be allocated first to Subordinate Certificates by reduction of
the outstanding principal balance thereof, which will have the effect of
increasing the respective ownership interest evidenced by the Senior
Certificates in the related Trust Fund.
 
  If so provided in the related Prospectus Supplement, certain amounts
otherwise payable on any Distribution Date to holders of Certificates may be
deposited into a Reserve Fund. Amounts held in any Reserve Fund may be applied
as described under "Description of Credit Enhancement--Reserve Funds" and in
the related Prospectus Supplement.
 
  In lieu of the foregoing provisions, subordination may be effected in the
following manner, or in any other manner as may be described in the related
Prospectus Supplement. The rights of the holders of Subordinate Certificates
to receive any or a specified portion of distributions with respect to the
Mortgage Loans may be subordinated to the extent of the amount set forth in
the related Prospectus Supplement (the "SUBORDINATE AMOUNT"). As specified in
the related Prospectus Supplement, the Subordinate Amount may be subject to
reduction based upon the amount of losses borne by the holders of the
Subordinate Certificates as a result of such subordination, a specified
schedule or such other method of reduction as such Prospectus Supplement may
specify.
 
  With respect to any Senior/Subordinate Series, the terms and provisions of
the subordination may vary from those described above. Any such variation and
any additional credit enhancement will be described in the related Prospectus
Supplement.
 
OVERCOLLATERALIZATION
 
  If so specified in the related Prospectus Supplement, interest collections
on the Mortgage Loans may exceed interest payments on the Certificates for the
related Distribution Date. To the extent such excess interest is applied as
principal payments on the Certificates, the effect will be to reduce the
principal balance of the Certificates relative to the outstanding balance of
the Mortgage Loans, thereby creating "OVERCOLLATERALIZATION" and additional
protection to the Certificateholders, as specified in the related Prospectus
Supplement.
 
                       DESCRIPTION OF CREDIT ENHANCEMENT
 
GENERAL
 
  Credit support with respect to each series of Certificates may be comprised
of one or more of the following components. Each component will have a dollar
limit and will provide coverage with respect to Realized Losses that are (i)
attributable to the Mortgagor's failure to make any payment of principal or
interest as required under the Mortgage Note, but not including Special Hazard
Losses, Extraordinary Losses or other losses resulting from damage to a
Mortgaged Property, Bankruptcy Losses or Fraud Losses (any such losses,
"DEFAULTED MORTGAGE LOSSES"); (ii) of a type generally covered by a Special
Hazard Insurance Policy (any such losses, "SPECIAL HAZARD LOSSES"); (iii)
attributable to certain actions which may be taken by a bankruptcy court in
connection with a Mortgage Loan, including a reduction by a bankruptcy court
of the principal balance of or the Mortgage Rate on a Mortgage Loan or an
extension of its maturity (any such losses, "BANKRUPTCY LOSSES"); and
 
                                      43
<PAGE>
 
(iv) incurred on defaulted Mortgage Loans as to which there was fraud in the
origination of such Mortgage Loans (any such losses, "FRAUD LOSSES"). Unless
otherwise specified in the related Prospectus Supplement, credit support will
not provide protection against all risks of loss and will not guarantee
repayment of the entire outstanding principal balance of the Certificates and
interest thereon. If losses occur that exceed the amount covered by credit
support or are of a type that is not covered by the credit support,
Certificateholders will bear their allocable share of deficiencies. In
particular, Defaulted Mortgage Losses, Special Hazard Losses, Bankruptcy
Losses and Fraud Losses in excess of the amount of coverage provided therefor
and losses occasioned by war, civil insurrection, certain governmental
actions, nuclear reaction and certain other risks ("EXTRAORDINARY LOSSES")
will not be covered. To the extent that the credit enhancement for any series
of Certificates is exhausted, the Certificateholders will bear all further
risks of loss not otherwise insured against.
 
  As specified in the applicable Prospectus Supplement, credit enhancement may
be in the form of a Reserve Fund to cover such losses, in the form of
subordination of one or more classes of Certificates as described under
"Subordination," or in the form of a Certificate Insurance Policy, a Letter of
Credit, Mortgage Pool Insurance Policies, surety bonds or other types of
insurance policies, certain other secured or unsecured corporate guarantees or
in such other form as may be described in the related Prospectus Supplement,
or in the form of a combination of two or more of the foregoing. In addition,
the credit support may be provided by an assignment of the right to receive
certain cash amounts, a deposit of cash into a Reserve Fund or other pledged
assets, or by banks, insurance companies, guarantees or any combination
thereof identified in the related Prospectus Supplement. In addition, coverage
with respect to Special Hazard Losses may be provided by a Special Hazard
Insurance Policy, coverage with respect to Bankruptcy Losses may be provided
by a Bankruptcy Bond and coverage with respect to Fraud Losses may be provided
by a mortgage repurchase bond. Certain coverage may also be provided by
representations made by Residential Funding or the Company. If so specified in
the related Prospectus Supplement, limited credit enhancement may be provided
to cover Defaulted Mortgage Losses with respect to Mortgage Loans with Loan-
to-Value Ratios at origination of over 80% which are not insured by a Primary
Insurance Policy, to the extent that such losses would be covered under a
Primary Insurance Policy if obtained, or may be provided in lieu of title
insurance coverage, in the form of a corporate guaranty or in certain other
forms described in this section. Credit support may also be provided in the
form of an insurance policy covering the risk of collection and adequacy of
any Additional Collateral provided in connection with any Additional
Collateral Loan, subject to the limitations set forth in any such insurance
policy. As set forth in the Pooling and Servicing Agreement, credit support
may apply to all of the Mortgage Loans or to certain Mortgage Loans contained
in a Mortgage Pool.
 
  Each Prospectus Supplement will include a description of (a) the amount
payable under the credit enhancement arrangement, if any, provided with
respect to a series, (b) any conditions to payment thereunder not otherwise
described herein, (c) the conditions under which the amount payable under such
credit support may be reduced and under which such credit support may be
terminated or replaced and (d) the material provisions of any agreement
relating to such credit support. Additionally, each Prospectus Supplement will
set forth certain information with respect to the issuer of any third-party
credit enhancement (the "CREDIT ENHANCER"), if applicable. The Pooling and
Servicing Agreement or other documents may be modified in connection with the
provisions of any credit enhancement arrangement to provide for reimbursement
rights, control rights or other provisions that may be required by the Credit
Enhancer. To the extent provided in the applicable Prospectus Supplement and
the Pooling and Servicing Agreement, the credit enhancement arrangements may
be periodically modified, reduced and substituted for based on the performance
of or on the aggregate outstanding principal balance of the Mortgage Loans
covered thereby. See "Description of Credit Enhancement--Reduction or
Substitution of Credit Enhancement." If specified in the applicable Prospectus
Supplement, credit support for a series of Certificates may cover one or more
other series of Certificates.
 
  The descriptions of any insurance policies, bonds or other instruments
described in this Prospectus or any Prospectus Supplement and the coverage
thereunder do not purport to be complete and are qualified in their entirety
by reference to the actual forms of such policies, copies of which generally
will be exhibits to the Form 8-K to be filed with the Commission in connection
with the issuance of the related series of Certificates.
 
                                      44
<PAGE>
 
LETTERS OF CREDIT
 
  If any component of credit enhancement as to any series of Certificates is
to be provided by a letter of credit (the "LETTER OF CREDIT"), a bank (the
"LETTER OF CREDIT BANK") will deliver to the Trustee an irrevocable Letter of
Credit. The Letter of Credit may provide direct coverage with respect to the
Mortgage Loans. The Letter of Credit Bank, the amount available under the
Letter of Credit with respect to each component of credit enhancement, the
expiration date of the Letter of Credit, and a more detailed description of
the Letter of Credit will be specified in the related Prospectus Supplement.
On or before each Distribution Date, the Letter of Credit Bank will be
required to make certain payments after notification from the Trustee, to be
deposited in the related Certificate Account with respect to the coverage
provided thereby. The Letter of Credit may also provide for the payment of
Advances.
 
MORTGAGE POOL INSURANCE POLICIES
 
  Any insurance policy covering losses on a pool of Mortgage Loans (each, a
"MORTGAGE POOL INSURANCE POLICY") obtained by the Company for a Trust Fund
will be issued by the Pool Insurer. Each Mortgage Pool Insurance Policy,
subject to the limitations described below and in the Prospectus Supplement,
if any, will cover Defaulted Mortgage Losses in an amount equal to a
percentage specified in the applicable Prospectus Supplement of the aggregate
principal balance of the Mortgage Loans on the Cut-off Date. As set forth
under "--Maintenance of Credit Enhancement," the Master Servicer will use its
best reasonable efforts to maintain the Mortgage Pool Insurance Policy and to
present claims thereunder to the Pool Insurer on behalf of itself, the Trustee
and the Certificateholders. The Mortgage Pool Insurance Policies, however, are
not blanket policies against loss, since claims thereunder may only be made
respecting particular defaulted Mortgage Loans and only upon satisfaction of
certain conditions precedent described below. Unless specified in the related
Prospectus Supplement, the Mortgage Pool Insurance Policies may not cover
losses due to a failure to pay or denial of a claim under a Primary Insurance
Policy, irrespective of the reason therefor.
 
  Each Mortgage Pool Insurance Policy will provide that no claims may be
validly presented thereunder unless, among other things, (i) any required
Primary Insurance Policy is in effect for the defaulted Mortgage Loan and a
claim thereunder has been submitted and settled, (ii) hazard insurance on the
property securing such Mortgage Loan has been kept in force and real estate
taxes and other protection and preservation expenses have been paid by the
Master Servicer, (iii) if there has been physical loss or damage to the
Mortgaged Property, it has been restored to its condition (reasonable wear and
tear excepted) at the Cut-off Date and (iv) the insured has acquired good and
merchantable title to the Mortgaged Property free and clear of liens except
certain permitted encumbrances. Upon satisfaction of these conditions, the
Pool Insurer will have the option either (a) to purchase the property securing
the defaulted Mortgage Loan at a price equal to the outstanding principal
balance thereof plus accrued and unpaid interest at the applicable Mortgage
Rate to the date of purchase and certain expenses incurred by the Master
Servicer or Subservicer on behalf of the Trustee and Certificateholders, or
(b) to pay the amount by which the sum of the outstanding principal balance of
the defaulted Mortgage Loan plus accrued and unpaid interest at the Mortgage
Rate to the date of payment of the claim and the aforementioned expenses
exceeds the proceeds received from an approved sale of the Mortgaged Property,
in either case net of certain amounts paid or assumed to have been paid under
any related Primary Insurance Policy. Certificateholders will experience a
shortfall in the amount of interest payable on the related Certificates in
connection with the payment of claims under a Mortgage Pool Insurance Policy
because the Pool Insurer is only required to remit unpaid interest through the
date a claim is paid rather than through the end of the month in which such
claim is paid. In addition, the Certificateholders will also experience losses
with respect to the related Certificates in connection with payments made
under a Mortgage Pool Insurance Policy to the extent that the Master Servicer
expends funds to cover unpaid real estate taxes or to repair the related
Mortgaged Property in order to make a claim under a Mortgage Pool Insurance
Policy, as those amounts will not be covered by payments under such policy and
will be reimbursable to the Master Servicer from funds otherwise payable to
the Certificateholders. If any Mortgaged Property securing a defaulted
Mortgage Loan is damaged and proceeds, if any (see "--Special Hazard Insurance
Policies" below for risks which are not covered by such policies), from the
related hazard insurance policy or applicable Special Hazard Instrument are
insufficient to restore the
 
                                      45
<PAGE>
 
damaged property to a condition sufficient to permit recovery under the
Mortgage Pool Insurance Policy, the Master Servicer is not required to expend
its own funds to restore the damaged property unless it determines that (a)
such restoration will increase the proceeds to one or more classes of
Certificateholders on liquidation of the Mortgage Loan after reimbursement of
the Master Servicer for its expenses and (b) such expenses will be recoverable
by it through Liquidation Proceeds or Insurance Proceeds.
 
  Unless otherwise specified in the related Prospectus Supplement, a Mortgage
Pool Insurance Policy (and certain Primary Insurance Policies) will likely not
insure against loss sustained by reason of a default arising from, among other
things, (i) fraud or negligence in the origination or servicing of a Mortgage
Loan, including misrepresentation by the Mortgagor, the Seller or other
persons involved in the origination thereof, (ii) failure to construct a
Mortgaged Property in accordance with plans and specifications or (iii)
bankruptcy, except if specified in the related Prospectus Supplement an
endorsement to the Mortgage Pool Insurance Policy provides for insurance
against any such loss. Depending upon the nature of the event, a breach of
representation made by a Seller may also have occurred. Such a breach, if it
materially and adversely affects the interests of Certificateholders and
cannot be cured, would give rise to a purchase obligation on the part of the
Seller, as described under "Mortgage Loan Program--Representations by
Sellers." However, such an event would not give rise to a breach of a
representation and warranty or a purchase obligation on the part of the
Company or Residential Funding.
 
  The original amount of coverage under each Mortgage Pool Insurance Policy
will be reduced over the life of the related series of Certificates by the
aggregate amount of claims paid less the aggregate of the net amounts realized
by the Pool Insurer upon disposition of all foreclosed properties. The amount
of claims paid includes certain expenses incurred by the Master Servicer or
Subservicer as well as accrued interest on delinquent Mortgage Loans to the
date of payment of the claim. See "Certain Legal Aspects of Mortgage Loans and
Related Matters--Foreclosure." Accordingly, if aggregate net claims paid under
any Mortgage Pool Insurance Policy reach the original policy limit, coverage
under that Mortgage Pool Insurance Policy will be exhausted and any further
losses will be borne by the related Certificateholders. In addition, unless
the Master Servicer determines that an Advance in respect of a delinquent
Mortgage Loan would be recoverable to it from the proceeds of the liquidation
of such Mortgage Loan or otherwise, the Master Servicer would not be obligated
to make an Advance respecting any such delinquency since the Advance would not
be ultimately recoverable to it from either the Mortgage Pool Insurance Policy
or from any other related source. See "Description of the Certificates--
Advances."
 
  Since each Mortgage Pool Insurance Policy will require that the property
subject to a defaulted Mortgage Loan be restored to its original condition
prior to claiming against the Pool Insurer, such policy will not provide
coverage against hazard losses. As set forth under "Insurance Policies on
Mortgage Loans--Standard Hazard Insurance on Mortgaged Properties," the hazard
policies covering the Mortgage Loans typically exclude from coverage physical
damage resulting from a number of causes and, even when the damage is covered,
may afford recoveries which are significantly less than full replacement cost
of such losses. Additionally, no coverage in respect of Special Hazard Losses,
Fraud Losses or Bankruptcy Losses will cover all risks, and the amount of any
such coverage will be limited. See "--Special Hazard Insurance Policies"
below. As a result, certain hazard risks will not be insured against and may
be borne by Certificateholders.
 
SPECIAL HAZARD INSURANCE POLICIES
 
  Any insurance policy covering Special Hazard Losses (a "SPECIAL HAZARD
INSURANCE POLICY") obtained for a Trust Fund will be issued by the insurer
named in the related Prospectus Supplement (the "SPECIAL HAZARD INSURER").
Each Special Hazard Insurance Policy subject to limitations described below
and in the related Prospectus Supplement, if any, will protect the related
Certificateholders from Special Hazard Losses which are (i) losses due to
direct physical damage to a Mortgaged Property other than any loss of a type
covered by a hazard insurance policy or a flood insurance policy, if
applicable, and (ii) losses from partial damage caused by reason of the
application of the co-insurance clauses contained in hazard insurance
policies. See "Insurance Policies on Mortgage Loans." A Special Hazard
Insurance Policy will not cover losses occasioned by war, civil
 
                                      46
<PAGE>
 
insurrection, certain governmental actions, errors in design, faulty
workmanship or materials (except under certain circumstances), nuclear
reaction, chemical contamination or waste by the Mortgagor. Aggregate claims
under a Special Hazard Insurance Policy will be limited to the amount set
forth in the related Pooling and Servicing Agreement and will be subject to
reduction as set forth in such related Pooling and Servicing Agreement. A
Special Hazard Insurance Policy will provide that no claim may be paid unless
hazard and, if applicable, flood insurance on the property securing the
Mortgage Loan has been kept in force and other protection and preservation
expenses have been paid by the Master Servicer.
 
  Subject to the foregoing limitations, a Special Hazard Insurance Policy will
provide that, where there has been damage to property securing a foreclosed
Mortgage Loan (title to which has been acquired by the insured) and to the
extent such damage is not covered by the hazard insurance policy or flood
insurance policy, if any, maintained by the Mortgagor or the Master Servicer
or the Subservicer, the insurer will pay the lesser of (i) the cost of repair
or replacement of such property or (ii) upon transfer of the property to the
insurer, the unpaid principal balance of such Mortgage Loan at the time of
acquisition of such property by foreclosure or deed in lieu of foreclosure,
plus accrued interest at the Mortgage Rate to the date of claim settlement and
certain expenses incurred by the Master Servicer or the Subservicer with
respect to such property. If the property is transferred to a third party in a
sale approved by the Special Hazard Insurer, the amount that the Special
Hazard Insurer will pay will be the amount under (ii) above reduced by the net
proceeds of the sale of the property. If the unpaid principal balance plus
accrued interest and certain expenses is paid by the Special Hazard Insurer,
the amount of further coverage under the related Special Hazard Insurance
Policy will be reduced by such amount less any net proceeds from the sale of
the property. Any amount paid as the cost of repair of the property will
further reduce coverage by such amount. Restoration of the property with the
proceeds described under (i) above will satisfy the condition under each
Mortgage Pool Insurance Policy that the property be restored before a claim
under such policy may be validly presented with respect to the defaulted
Mortgage Loan secured by such property. The payment described under (ii) above
will render presentation of a claim in respect of such Mortgage Loan under the
related Mortgage Pool Insurance Policy unnecessary. Therefore, so long as a
Mortgage Pool Insurance Policy remains in effect, the payment by the insurer
under a Special Hazard Insurance Policy of the cost of repair or of the unpaid
principal balance of the related Mortgage Loan plus accrued interest and
certain expenses will not affect the total Insurance Proceeds paid to
Certificateholders, but will affect the relative amounts of coverage remaining
under the related Special Hazard Insurance Policy and Mortgage Pool Insurance
Policy.
 
BANKRUPTCY BONDS
 
  In the event of a personal bankruptcy of a Mortgagor, a bankruptcy court may
establish the value of the Mortgaged Property of such Mortgagor (and, if
specified in the related Prospectus Supplement, any related Additional
Collateral) at an amount less than the then outstanding principal balance of
the Mortgage Loan secured by such Mortgaged Property (such difference, a
"DEFICIENT VALUATION"). The amount of the secured debt could then be reduced
to such value, and, thus, the holder of such Mortgage Loan would become an
unsecured creditor to the extent the outstanding principal balance of such
Mortgage Loan exceeds the value assigned to the Mortgaged Property (and any
related Additional Collateral) by the bankruptcy court. In addition, certain
other modifications of the terms of a Mortgage Loan can result from a
bankruptcy proceeding, including a reduction in the amount of the Monthly
Payment on the related Mortgage Loan (a "DEBT SERVICE REDUCTION"). See
"Certain Legal Aspects of Mortgage Loans and Related Matters--Anti-Deficiency
Legislation and Other Limitations on Lenders." Any Bankruptcy Bond to provide
coverage for Bankruptcy Losses resulting from proceedings under the federal
Bankruptcy Code obtained for a Trust Fund will be issued by an insurer named
in the related Prospectus Supplement. The level of coverage under each
Bankruptcy Bond will be set forth in the related Prospectus Supplement.
 
RESERVE FUNDS
 
  If so specified in the related Prospectus Supplement, the Company will
deposit or cause to be deposited in an account (a "RESERVE FUND") any
combination of cash or Permitted Investments in specified amounts, or any
other instrument satisfactory to the Rating Agency or Agencies, which will be
applied and maintained in the
 
                                      47
<PAGE>
 
manner and under the conditions specified in the related Pooling and Servicing
Agreement. In the alternative or in addition to such deposit, to the extent
described in the related Prospectus Supplement, a Reserve Fund may be funded
through application of all or a portion of amounts otherwise payable on any
related Certificates, from the Excess Spread, Excluded Spread or otherwise. To
the extent that the funding of the Reserve Fund is dependent on amounts
otherwise payable on related Certificates, Excess Spread, Excluded Spread or
other cash flows attributable to the related Mortgage Loans or on reinvestment
income, the Reserve Fund may provide less coverage than initially expected if
the cash flows or reinvestment income on which such funding is dependent are
lower than anticipated. With respect to any series of Certificates as to which
credit enhancement includes a Letter of Credit, if so specified in the related
Prospectus Supplement, under certain circumstances the remaining amount of the
Letter of Credit may be drawn by the Trustee and deposited in a Reserve Fund.
Amounts in a Reserve Fund may be distributed to Certificateholders, or applied
to reimburse the Master Servicer for outstanding Advances, or may be used for
other purposes, in the manner and to the extent specified in the related
Prospectus Supplement. Unless otherwise specified in the related Prospectus
Supplement, any such Reserve Fund will not be deemed to be part of the related
Trust Fund. A Reserve Fund may provide coverage to more than one series of
Certificates, if set forth in the related Prospectus Supplement.
 
  Unless otherwise specified in the related Prospectus Supplement, the Trustee
will have a perfected security interest for the benefit of the
Certificateholders in the assets in the Reserve Fund. However, to the extent
that the Company, any affiliate thereof or any other entity has an interest in
any Reserve Fund, in the event of the bankruptcy, receivership or insolvency
of such entity, there could be delays in withdrawals from the Reserve Fund and
the corresponding payments to the Certificateholders. Such delays could
adversely affect the yield to investors on the related Certificates.
 
  Amounts deposited in any Reserve Fund for a series will be invested in
Permitted Investments by, or at the direction of, and for the benefit of the
Master Servicer or any other person named in the related Prospectus
Supplement.
 
CERTIFICATE INSURANCE POLICIES; SURETY BONDS
 
  If so specified in the related Prospectus Supplement, the Company may obtain
one or more certificate insurance policies (each, a "CERTIFICATE INSURANCE
POLICY") or guaranties or one or more surety bonds (each, a "SURETY BOND"),
issued by insurers or other parties acceptable to the Rating Agency or
Agencies rating the Certificates offered, as specified in the related
Prospectus Supplement, insuring the holders of one or more classes of
Certificates the payment of amounts due in accordance with the terms of such
class or classes of Certificates. Any Certificate Insurance Policy, Surety
Bond or guaranty will have the characteristics described in, and will be
subject to such limitations and exceptions set forth in, the related
Prospectus Supplement.
 
MAINTENANCE OF CREDIT ENHANCEMENT
 
  If credit enhancement has been obtained for a series of Certificates, the
Master Servicer will be obligated to exercise its best reasonable efforts to
keep or cause to be kept such credit enhancement in full force and effect
throughout the term of the applicable Pooling and Servicing Agreement, unless
coverage thereunder has been exhausted through payment of claims or otherwise,
or substitution therefor is made as described below under "--Reduction or
Substitution of Credit Enhancement." The Master Servicer, on behalf of itself,
the Trustee and Certificateholders, will be required to provide information
required for the Trustee to draw under any applicable credit enhancement.
 
  In the event the related insurer ceases to be a "QUALIFIED INSURER" because
it ceases to be qualified under applicable law to transact such insurance
business or coverage is terminated for any reason other than exhaustion of
such coverage, the Master Servicer will use its best reasonable efforts to
obtain from another Qualified Insurer a comparable replacement insurance
policy with a total coverage equal to the then outstanding coverage of such
policy. If the cost of the replacement policy is greater than the cost of such
policy, the coverage of the replacement policy will, unless otherwise agreed
to by the Company, be reduced to a level such that its premium
 
                                      48
<PAGE>
 
rate does not exceed the premium rate on the original insurance policy. In the
event that a Pool Insurer ceases to be a Qualified Insurer because it ceases
to be approved as an insurer by the Federal Home Loan Mortgage Corporation
("FREDDIE MAC"), the Federal National Mortgage Association ("FANNIE MAE") or
any successor entity, the Master Servicer will review, not less often than
monthly, the financial condition of such Pool Insurer with a view toward
determining whether recoveries under the Mortgage Pool Insurance Policy are
jeopardized for reasons related to the financial condition of the Pool
Insurer. If the Master Servicer determines that recoveries are so jeopardized,
it will exercise its best reasonable efforts to obtain from another Qualified
Insurer a replacement insurance policy as described above, subject to the same
cost limit. Any losses in market value of the Certificates associated with any
reduction or withdrawal in rating by an applicable Rating Agency shall be
borne by the Certificateholders.
 
  If any property securing a defaulted Mortgage Loan is damaged and proceeds,
if any, from the related hazard insurance policy or any applicable Special
Hazard Insurance Policy are insufficient to restore the damaged property to a
condition sufficient to permit recovery under any Letter of Credit, Mortgage
Pool Insurance Policy or any related Primary Insurance Policy, the Master
Servicer is not required to expend its own funds to restore the damaged
property unless it determines (i) that such restoration will increase the
proceeds to one or more classes of Certificateholders on liquidation of the
Mortgage Loan after reimbursement of the Master Servicer for its expenses and
(ii) that such expenses will be recoverable by it through Liquidation Proceeds
or Insurance Proceeds. If recovery under any Letter of Credit, Mortgage Pool
Insurance Policy, other credit enhancement or any related Primary Insurance
Policy is not available because the Master Servicer has been unable to make
the above determinations, has made such determinations incorrectly or recovery
is not available for any other reason, the Master Servicer is nevertheless
obligated to follow such normal practices and procedures (subject to the
preceding sentence) as it deems necessary or advisable to realize upon the
defaulted Mortgage Loan and in the event such determination has been
incorrectly made, is entitled to reimbursement of its expenses in connection
with such restoration.
 
REDUCTION OR SUBSTITUTION OF CREDIT ENHANCEMENT
 
  Unless otherwise specified in the Prospectus Supplement, the amount of
credit support provided with respect to any series of Certificates and
relating to various types of losses incurred may be reduced under certain
specified circumstances. In most cases, the amount available as credit support
will be subject to periodic reduction on a non-discretionary basis in
accordance with a schedule or formula set forth in the related Pooling and
Servicing Agreement. Additionally, in most cases, such credit support may be
replaced, reduced or terminated, and the formula used in calculating the
amount of coverage with respect to Bankruptcy Losses, Special Hazard Losses or
Fraud Losses may be changed, without the consent of the Certificateholders,
upon the written assurance from each applicable Rating Agency that the then-
current rating of the related series of Certificates will not be adversely
affected thereby. Furthermore, in the event that the credit rating of any
obligor under any applicable credit enhancement is downgraded, the credit
rating of each class of the related Certificates may be downgraded to a
corresponding level, and, unless otherwise specified in the related Prospectus
Supplement, neither the Master Servicer nor the Company will be obligated to
obtain replacement credit support in order to restore the rating of the
Certificates. The Master Servicer will also be permitted to replace such
credit support with other credit enhancement instruments issued by obligors
whose credit ratings are equivalent to such downgraded level and in lower
amounts which would satisfy such downgraded level, provided that the then-
current rating of each class of the related series of Certificates is
maintained. Where the credit support is in the form of a Reserve Fund, a
permitted reduction in the amount of credit enhancement will result in a
release of all or a portion of the assets in the Reserve Fund to the Company,
the Master Servicer or such other person that is entitled thereto. Any assets
so released and any amount by which the credit enhancement is reduced will not
be available for distributions in future periods.
 
                                      49
<PAGE>
 
                             PURCHASE OBLIGATIONS
 
  With respect to certain types of Mortgage Loans to be included in any
Mortgage Pool, if specified in the related Prospectus Supplement, the Mortgage
Loans may be sold subject to a Purchase Obligation as described below that
would become applicable on a specified date or upon the occurrence of a
specified event. For example, with respect to certain types of ARM Loans as
which the Mortgage Rate is fixed for the first five years, a Purchase
Obligation may apply on the first date of the Mortgage Rate of such Mortgage
Loan is adjusted, and such obligation may apply to the Mortgage Loans or to
the related Certificates themselves, or to a corresponding Purchase Obligation
of the Company or another person as specified in the related Prospectus
Supplement. With respect to any Purchase Obligation, such obligation will be
an obligation of an entity (which may include a bank or other financial
institution or an insurance company) specified in the related Prospectus
Supplement, and an instrument evidencing such obligation (a "PURCHASE
OBLIGATION") shall be delivered to the Trustee for the benefit of the
Certificateholders to the related series.
 
  The specific terms and conditions applicable to any Purchase Obligation will
be described in the related Prospectus Supplement, including the purchase
price, the timing of and any limitations and conditions to any such purchase.
Any Purchase Obligation will be payable solely to the Trustee for the benefit
of the Certificateholders of the related series and will be nontransferable.
Unless otherwise provided in the related Prospectus Supplement, each Purchase
Obligation will be a general unsecured obligation of the provider thereof, and
prospective purchasers of Certificates must look solely to the credit of such
entity (and not any assets of the related Trust Fund) for payment under the
Purchase Obligation.
 
                     INSURANCE POLICIES ON MORTGAGE LOANS
 
  Each Mortgage Loan will be required to be covered by a hazard insurance
policy (as described below) and, in certain cases, a Primary Insurance Policy
or an alternative form of coverage, as described below. The descriptions of
any insurance policies set forth in this Prospectus or any Prospectus
Supplement and the coverage thereunder do not purport to be complete and are
qualified in their entirety by reference to such forms of policies.
 
PRIMARY MORTGAGE INSURANCE POLICIES
 
  Unless otherwise specified in the related Prospectus Supplement, (i) each
Mortgage Loan having a Loan-to-Value Ratio at origination of over 80%
generally will be covered by a primary mortgage guaranty insurance policy (a
"PRIMARY INSURANCE POLICY") insuring against default on such Mortgage Loan up
to an amount set forth in the related Prospectus Supplement, unless and until
the principal balance of the Mortgage Loan is reduced to a level that would
produce a Loan-to-Value Ratio equal to or less than 80%, and (ii) the Company
will represent and warrant that, to the best of the Company's knowledge, such
Mortgage Loans are so covered. Alternatively, coverage of the type that would
be provided by a Primary Insurance Policy if obtained may be provided by
another form of credit enhancement as described herein under "Description of
Credit Enhancement." However, the foregoing standard may vary significantly
depending on the characteristics of the Mortgage Loans and the applicable
underwriting standards. A Mortgage Loan will not be considered to be an
exception to the foregoing standard if no Primary Insurance Policy was
obtained at origination but the Mortgage Loan has amortized to an 80% or less
Loan-to-Value Ratio level as of the applicable Cut-off Date. Unless otherwise
specified in the Prospectus Supplement, the Company will have the ability to
cancel any Primary Insurance Policy if the Loan-to-Value Ratio of the Mortgage
Loan is reduced to 80% or less (or a lesser specified percentage) based on an
appraisal of the Mortgaged Property after the related Closing Date or as a
result of principal payments that reduce the principal balance of the Mortgage
Loan after such Closing Date. Mortgage Loans which are subject to negative
amortization will only be covered by a Primary Insurance Policy if such
coverage was so required upon their origination, notwithstanding that
subsequent negative amortization may cause such Mortgage Loan's Loan-to-Value
Ratio (based on the then-current balance) to subsequently exceed the limits
which would have required such coverage upon their origination.
 
 
                                      50
<PAGE>
 
  While the terms and conditions of the Primary Insurance Policies issued by
one primary mortgage guaranty insurer (a "PRIMARY INSURER") will differ
generally from those in Primary Insurance Policies issued by other Primary
Insurers, each Primary Insurance Policy generally will pay either: (i) the
insured percentage of the loss on the related Mortgaged Property; (ii) the
entire amount of such loss, after receipt by the Primary Insurer of good and
merchantable title to, and possession of, the Mortgaged Property; or (iii) at
the option of the Primary Insurer under certain Primary Insurance Policies,
the sum of the delinquent monthly payments plus any advances made by the
insured, both to the date of the claim payment and, thereafter, monthly
payments in the amount that would have become due under the Mortgage Loan if
it had not been discharged plus any advances made by the insured until the
earlier of (a) the date the Mortgage Loan would have been discharged in full
if the default had not occurred or (b) an approved sale. The amount of the
loss as calculated under a Primary Insurance Policy covering a Mortgage Loan
will generally consist of the unpaid principal amount of such Mortgage Loan
and accrued and unpaid interest thereon and reimbursement of certain expenses,
less (i) rents or other payments received by the insured (other than the
proceeds of hazard insurance) that are derived from the related Mortgaged
Property, (ii) hazard insurance proceeds received by the insured in excess of
the amount required to restore such Mortgaged Property and which have not been
applied to the payment of the Mortgage Loan, (iii) amounts expended but not
approved by the Primary Insurer, (iv) claim payments previously made on such
Mortgage Loan and (v) unpaid premiums and certain other amounts.
 
  As conditions precedent to the filing or payment of a claim under a Primary
Insurance Policy, in the event of default by the Mortgagor, the insured will
typically be required, among other things, to: (i) advance or discharge (a)
hazard insurance premiums and (b) as necessary and approved in advance by the
Primary Insurer, real estate taxes, protection and preservation expenses and
foreclosure and related costs; (ii) in the event of any physical loss or
damage to the Mortgaged Property, have the Mortgaged Property restored to at
least its condition at the effective date of the Primary Insurance Policy
(ordinary wear and tear excepted); and (iii) tender to the Primary Insurer
good and merchantable title to, and possession of, the Mortgaged Property.
 
  For any Certificates offered hereunder, the Master Servicer will maintain or
cause each Subservicer to maintain, as the case may be, in full force and
effect and to the extent coverage is available a Primary Insurance Policy with
regard to each Mortgage Loan for which such coverage is required under the
standard described above (unless an exception to such standard applies or
alternate credit enhancement is provided as described in the related
Prospectus Supplement), provided that such Primary Insurance Policy was in
place as of the Cut-off Date and the Company had knowledge of such Primary
Insurance Policy. In the event that the Company gains knowledge that as of the
Closing Date, a Mortgage Loan had a Loan-to-Value Ratio at origination in
excess of 80% and was not the subject of a Primary Insurance Policy (and was
not included in any exception to such standard or covered by alternate credit
enhancement as described in the related Prospectus Supplement) and that such
Mortgage Loan has a then current Loan-to-Value Ratio in excess of 80%, then
the Master Servicer is required to use its reasonable efforts to obtain and
maintain a Primary Insurance Policy to the extent that such a policy is
obtainable at a reasonable price.
 
STANDARD HAZARD INSURANCE ON MORTGAGED PROPERTIES
 
  The terms of the Mortgage Loans (other than Cooperative Loans) require each
Mortgagor to maintain a hazard insurance policy covering the related Mortgaged
Property and providing for coverage at least equal to that of the standard
form of fire insurance policy with extended coverage customary in the state in
which the property is located. Such coverage generally will be in an amount
equal to the lesser of the principal balance of such Mortgage Loan or 100% of
the insurable value of the improvements securing the Mortgage Loan. The
Pooling and Servicing Agreement will provide that the Master Servicer or
Servicer shall cause such hazard policies to be maintained or shall obtain a
blanket policy insuring against losses on the Mortgage Loans. The ability of
the Master Servicer to ensure that hazard insurance proceeds are appropriately
applied may be dependent on its being named as an additional insured under any
hazard insurance policy and under any flood insurance policy referred to
below, or upon the extent to which information in this regard is furnished to
the Master Servicer by Mortgagors or Subservicers.
 
 
                                      51
<PAGE>
 
  In general, the standard form of fire and extended coverage policy covers
physical damage to or destruction of the improvements on the property by fire,
lightning, explosion, smoke, windstorm, hail, riot, strike and civil
commotion, subject to the conditions and exclusions specified in each policy.
The policies relating to the Mortgage Loans will be underwritten by different
insurers under different state laws in accordance with different applicable
state forms and therefore will not contain identical terms and conditions, the
basic terms thereof are dictated by respective state laws. Such policies
typically do not cover any physical damage resulting from the following: war,
revolution, governmental actions, floods and other water-related causes, earth
movement (including earthquakes, landslides and mudflows), nuclear reactions,
wet or dry rot, vermin, rodents, insects or domestic animals, theft and, in
certain cases, vandalism. The foregoing list is merely indicative of certain
kinds of uninsured risks and is not intended to be all-inclusive. Where the
improvements securing a Mortgage Loan are located in a federally designated
flood area at the time of origination of such Mortgage Loan, the Pooling and
Servicing Agreement generally requires the Master Servicer to cause to be
maintained for each such Mortgage Loan serviced, flood insurance (to the
extent available) in an amount equal in general to the lesser of the amount
required to compensate for any loss or damage on a replacement cost basis or
the maximum insurance available under the federal flood insurance program.
 
  The hazard insurance policies covering the Mortgaged Properties typically
contain a co-insurance clause which in effect requires the insured at all
times to carry insurance of a specified percentage (generally 80% to 90%) of
the full replacement value of the improvements on the property in order to
recover the full amount of any partial loss. If the insured's coverage falls
below this specified percentage, such clause generally provides that the
insurer's liability in the event of partial loss does not exceed the greater
of (i) the replacement cost of the improvements damaged or destroyed less
physical depreciation or (ii) such proportion of the loss as the amount of
insurance carried bears to the specified percentage of the full replacement
cost of such improvements.
 
  Since the amount of hazard insurance that Mortgagors are required to
maintain on the improvements securing the Mortgage Loans may decline as the
principal balances owing thereon decrease, and since residential properties
have historically appreciated in value over time, hazard insurance proceeds
could be insufficient to restore fully the damaged property in the event of a
partial loss. See "Subordination" above for a description of when
subordination is provided, the protection (limited to the Special Hazard
Amount as described in the related Prospectus Supplement) afforded by such
subordination, and "Description of Credit Enhancement--Special Hazard
Insurance Policies" for a description of the limited protection afforded by
any Special Hazard Insurance Policy against losses occasioned by hazards which
are otherwise uninsured against.
 
                                  THE COMPANY
 
  The Company is an indirect wholly-owned subsidiary of GMAC Mortgage, which
is a wholly-owned subsidiary of General Motors Acceptance Corporation. The
Company was incorporated in the State of Delaware on January 25, 1985. The
Company was organized for the purpose of serving as a private secondary
mortgage market conduit. The Company anticipates that it will in many cases
have acquired Mortgage Loans indirectly through Residential Funding, which is
also an indirect wholly-owned subsidiary of GMAC Mortgage. The Company does
not have, nor is it expected in the future to have, any significant assets.
 
  The Certificates do not represent an interest in or an obligation of the
Company. The Company's only obligations with respect to a series of
Certificates will be pursuant to certain limited representations and
warranties made by the Company or as otherwise provided in the related
Prospectus Supplement.
 
  The Company maintains its principal office at 8400 Normandale Lake
Boulevard, Suite 700, Minneapolis, Minnesota 55437. Its telephone number is
(612) 832-7000.
 
 
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<PAGE>
 
                        RESIDENTIAL FUNDING CORPORATION
 
  Unless otherwise specified in the related Prospectus Supplement, Residential
Funding, an affiliate of the Company, will act as the Master Servicer or
Manager for a series of Certificates.
 
  Residential Funding buys conventional mortgage loans under several loan
purchase programs from mortgage loan originators or sellers nationwide,
including affiliates, that meet its seller/servicer eligibility requirements
and services mortgage loans for its own account and for others. Residential
Funding's principal executive offices are located at 8400 Normandale Lake
Boulevard, Suite 700, Minneapolis, Minnesota 55437. Its telephone number is
(612) 832-7000. Residential Funding conducts operations from its headquarters
in Minneapolis and from offices located in California, Colorado, Connecticut,
New York, Florida, Georgia, Maryland, North Carolina, Rhode Island and Texas.
 
  At March 31, 1996, Residential Funding was master servicing a loan portfolio
of approximately $28.9 billion. Residential Funding's delinquency, foreclosure
and loan loss experience as of the end of the most recent calendar quarter for
which such information is available on the portfolio of loans master serviced
by it that were originated under its modified loan purchase criteria will be
summarized in each Prospectus Supplement relating to a Mortgage Pool master
serviced by it. There can be no assurance that such experience will be
representative of the results that may be experienced with respect to any
particular series of Certificates.
 
                      THE POOLING AND SERVICING AGREEMENT
 
  As described above under "Description of the Certificates--General," each
series of Certificates will be issued pursuant to a Pooling and Servicing
Agreement as described in that section. The following summaries describe
certain additional provisions common to each Pooling and Servicing Agreement.
 
SERVICING AND OTHER COMPENSATION AND PAYMENT OF EXPENSES
 
  The principal servicing compensation to be paid to the Master Servicer in
respect of its master servicing activities for each series of Certificates
will be equal to the percentage per annum described in the related Prospectus
Supplement (which may vary under certain circumstances) of the outstanding
principal balance of each Mortgage Loan, and such compensation will be
retained by it from collections of interest on such Mortgage Loan in the
related Trust Fund (after provision has been made for the payment of interest
at the applicable Pass-Through Rate or Net Mortgage Rate, as the case may be,
to Certificateholders and for the payment of any Excess Spread or Excluded
Spread) at the time such collections are deposited into the applicable
Custodial Account. Notwithstanding the foregoing, with respect to a series of
Certificates as to which the Trust Fund includes Mortgage Securities, the
compensation payable to the Master Servicer or Manager for servicing and
administering such Mortgage Securities on behalf of the holders of such
Certificates may be based on a percentage per annum described in the related
Prospectus Supplement of the outstanding balance of such Mortgage Securities
and may be retained from distributions of interest thereon, if so specified in
the related Prospectus Supplement. Unless otherwise specified in the related
Prospectus Supplement, as compensation for its servicing duties, a Subservicer
or, if there is no Subservicer, the Master Servicer will be entitled to a
monthly servicing fee as described in the related Prospectus Supplement, which
may vary under certain circumstances from the amounts described in the
Prospectus Supplement. Certain Subservicers may also receive additional
compensation in the amount of all or a portion of the interest due and payable
on the applicable Mortgage Loan which is over and above the interest rate
specified at the time the Company or Residential Funding, as the case may be,
committed to purchase the Mortgage Loan. See "Mortgage Loan Program--
Subservicing by Sellers." Subservicers will be required to pay to the Master
Servicer an amount equal to one month's interest (net of its servicing or
other compensation) on the amount of any partial Principal Prepayment. Unless
otherwise specified in the related Prospectus Supplement, the Master Servicer
will retain such amounts to the extent collected from Subservicers. In
addition, the Master Servicer or a Subservicer will retain all prepayment
charges, assumption fees and late payment charges, to the extent collected
from Mortgagors, and any benefit which may accrue as a
 
                                      53
<PAGE>
 
result of the investment of funds in the Custodial Account or the applicable
Certificate Account (unless otherwise specified in the related Prospectus
Supplement) or in a Subservicing Account, as the case may be. In addition,
certain reasonable duties of the Master Servicer may be performed by an
affiliate of the Master Servicer who will be entitled to compensation
therefor.
 
  The Master Servicer will pay or cause to be paid certain ongoing expenses
associated with each Trust Fund and incurred by it in connection with its
responsibilities under the Pooling and Servicing Agreement, including, without
limitation, payment of any fee or other amount payable in respect of any
alternative credit enhancement arrangements, payment of the fees and
disbursements of the Trustee, any custodian appointed by the Trustee, the
Certificate Registrar and any Paying Agent, and payment of expenses incurred
in enforcing the obligations of Subservicers and Sellers. The Master Servicer
will be entitled to reimbursement of expenses incurred in enforcing the
obligations of Subservicers and Sellers under certain limited circumstances.
In addition, as indicated in the preceding section, the Master Servicer will
be entitled to reimbursements for certain expenses incurred by it in
connection with Liquidated Mortgage Loans and in connection with the
restoration of Mortgaged Properties, such right of reimbursement being prior
to the rights of Certificateholders to receive any related Liquidation
Proceeds (including Insurance Proceeds).
 
EVIDENCE AS TO COMPLIANCE
 
  Each Pooling and Servicing Agreement will provide that the Master Servicer
will, with respect to each series of Certificates, deliver to the Trustee, on
or before the date in each year specified in the related Pooling and Servicing
Agreement, an officer's certificate stating that (i) a review of the
activities of the Master Servicer during the preceding calendar year relating
to its servicing of mortgage loans and its performance under pooling and
servicing agreements, including such Pooling and Servicing Agreement has been
made under the supervision of such officer, (ii) to the best of such officer's
knowledge, based on such review, the Master Servicer has complied in all
material respects with the minimum servicing standards set forth in the
Uniform Single Attestation Program for Mortgage Bankers and has fulfilled all
its obligations under such Pooling and Servicing Agreement throughout such
year, or, if there has been material noncompliance with such servicing
standards or a material default in the fulfillment of any such obligation,
such statement shall include a description of such noncompliance or specify
each such default known to such officer and the nature and status thereof and
(iii) to the best of such officers' knowledge, each Subservicer has complied
in all material respects with the minimum servicing standards set forth in the
Uniform Single Attestation Program for Mortgage Bankers and has fulfilled all
of its material obligations under its Subservicing Agreement in all material
respects throughout such year, or, if there has been material noncompliance
with such servicing standards or a material default in the fulfillment of such
obligations, such statement shall include a description of such noncompliance
or specify each such default, as the case may be, known to such officer and
the nature and status thereof. In addition, each Pooling and Servicing
Agreement will provide that the Master Servicer will cause a firm of
independent public accountants which is a member of the American Institute of
Certified Public Accountants to furnish a report stating its opinion that, on
the basis of an examination conducted by such firm substantially in accordance
with standards established by the American Institute of Certified Public
Accountants, the assertions made regarding compliance with the minimum
servicing standards set forth in the Uniform Single Attestation Program for
Mortgage Bankers during the preceding calendar year are fairly stated in all
material respects, subject to such exceptions and other qualifications that,
in the opinion of such firm, such accounting standards require it to report.
In rendering such statement, such firm may rely, as to matters relating to the
direct servicing of mortgage loans by Subservicers, on comparable statements
prepared in connection with examinations conducted in similar manners.
 
CERTAIN MATTERS REGARDING THE MASTER SERVICER AND THE COMPANY
 
  The Pooling and Servicing Agreement for each series of Certificates will
provide that the Master Servicer may not resign from its obligations and
duties thereunder except upon a determination that performance of such duties
is no longer permissible under applicable law or except in connection with a
permitted transfer of servicing. No such resignation will become effective
until the Trustee or a successor servicer has assumed the Master Servicer's
obligations and duties under the Pooling and Servicing Agreement.
 
                                      54
<PAGE>
 
  Each Pooling and Servicing Agreement will also provide that, except as set
forth below, neither the Master Servicer, the Company, nor any director,
officer, employee or agent of the Master Servicer or the Company will be under
any liability to the Trust Fund or the Certificateholders for any action taken
or for refraining from the taking of any action in good faith pursuant to the
Pooling and Servicing Agreement, or for errors in judgment; provided, however,
that neither the Master Servicer, the Company, nor any such person will be
protected against any liability which would otherwise be imposed by reason of
willful misfeasance, bad faith or gross negligence in the performance of
duties or by reason of reckless disregard of obligations and duties
thereunder. Each Pooling and Servicing Agreement will further provide that the
Master Servicer, the Company, and any director, officer, employee or agent of
the Master Servicer or the Company is entitled to indemnification by the Trust
Fund and will be held harmless against any loss, liability or expense incurred
in connection with any legal action relating to the Pooling and Servicing
Agreement or the related series of Certificates, other than any loss,
liability or expense related to any specific Mortgage Loan or Mortgage Loans
(except any such loss, liability or expense otherwise reimbursable pursuant to
the Pooling and Servicing Agreement) and any loss, liability or expense
incurred by reason of willful misfeasance, bad faith or gross negligence in
the performance of duties thereunder or by reason of reckless disregard of
obligations and duties thereunder. In addition, each Pooling and Servicing
Agreement will provide that neither the Master Servicer nor the Company will
be under any obligation to appear in, prosecute or defend any legal or
administrative action that is not incidental to its respective duties under
the Pooling and Servicing Agreement and which in its opinion may involve it in
any expense or liability. The Master Servicer or the Company may, however, in
its discretion undertake any such action which it may deem necessary or
desirable with respect to the Pooling and Servicing Agreement and the rights
and duties of the parties thereto and the interests of the Certificateholders
thereunder. In such event, the legal expenses and costs of such action and any
liability resulting therefrom will be expenses, costs and liabilities of the
Trust Fund and the Master Servicer or the Company, as the case may be, will be
entitled to be reimbursed therefor out of funds otherwise distributable to
Certificateholders.
 
  Any person into which the Master Servicer may be merged or consolidated, any
person resulting from any merger or consolidation to which the Master Servicer
is a party or any person succeeding to the business of the Master Servicer
will be the successor of the Master Servicer under the Pooling and Servicing
Agreement, provided that (i) such person is qualified to service mortgage
loans on behalf of Fannie Mae or Freddie Mac and (ii) such merger,
consolidation or succession does not adversely affect the then-current rating
of the classes of Certificates of the related series that have been rated. In
addition, notwithstanding the prohibition on its resignation, the Master
Servicer may assign its rights under a Pooling and Servicing Agreement to any
person to whom the Master Servicer is transferring a substantial portion of
its mortgage servicing portfolio, provided clauses (i) and (ii) above are
satisfied and such person is reasonably satisfactory to the Company and the
Trustee. In the case of any such assignment, the Master Servicer will be
released from its obligations under such Pooling and Servicing Agreement,
exclusive of liabilities and obligations incurred by it prior to the time of
such assignment.
 
EVENTS OF DEFAULT
 
  Events of Default under the Pooling and Servicing Agreement in respect of a
series of Certificates, unless otherwise specified in the Prospectus
Supplement, will include, without limitation, (i) any failure by the Master
Servicer to make a required deposit to the Certificate Account or, if the
Master Servicer is the Paying Agent, to distribute to the holders of any class
of Certificates of such series any required payment which continues unremedied
for five days after the giving of written notice of such failure to the Master
Servicer by the Trustee or the Company, or to the Master Servicer, the Company
and the Trustee by the holders of Certificates of such class evidencing not
less than 25% of the aggregate Percentage Interests constituting such class;
(ii) any failure by the Master Servicer duly to observe or perform in any
material respect any other of its covenants or agreements in the Pooling and
Servicing Agreement with respect to such series of Certificates which
continues unremedied for 30 days (15 days in the case of a failure to pay the
premium for any insurance policy which is required to be maintained under the
Pooling and Servicing Agreement) after the giving of written notice of such
failure to the Master Servicer by the Trustee or the Company, or to the Master
Servicer, the Company and the
 
                                      55
<PAGE>
 
Trustee by the holders of any class of Certificates of such series evidencing
not less than 25% of the aggregate Percentage Interests constituting such
class; and (iii) certain events of insolvency, readjustment of debt,
marshalling of assets and liabilities or similar proceedings regarding the
Master Servicer and certain actions by the Master Servicer indicating its
insolvency or inability to pay its obligations. A default pursuant to the
terms of any Mortgage Securities included in any Trust Fund will not
constitute an Event of Default under the related Pooling and Servicing
Agreement.
 
RIGHTS UPON EVENT OF DEFAULT
 
  So long as an Event of Default remains unremedied, either the Company or the
Trustee may, and, at the direction of the holders of Certificates evidencing
not less than 51% of the aggregate voting rights in the related Trust Fund
(except as otherwise provided for in the related Pooling and Servicing
Agreement with respect to the Credit Enhancer) the Trustee shall, by written
notification to the Master Servicer and to the Company or the Trustee, as
applicable, terminate all of the rights and obligations of the Master Servicer
under the Pooling and Servicing Agreement (other than any rights of the Master
Servicer as Certificateholder) covering such Trust Fund and in and to the
Mortgage Loans and the proceeds thereof, whereupon the Trustee or, upon notice
to the Company and with the Company's consent, its designee will succeed to
all responsibilities, duties and liabilities of the Master Servicer under such
Pooling and Servicing Agreement (other than the obligation to purchase
Mortgage Loans under certain circumstances) and will be entitled to similar
compensation arrangements. In the event that the Trustee would be obligated to
succeed the Master Servicer but is unwilling so to act, it may appoint (or if
it is unable so to act, it shall appoint) or petition a court of competent
jurisdiction for the appointment of, a Fannie Mae- or Freddie Mac-approved
mortgage servicing institution with a net worth of at least $10,000,000 to act
as successor to the Master Servicer under the Pooling and Servicing Agreement
(unless otherwise set forth in the Pooling and Servicing Agreement). Pending
such appointment, the Trustee is obligated to act in such capacity. The
Trustee and such successor may agree upon the servicing compensation to be
paid, which in no event may be greater than the compensation to the initial
Master Servicer under the Pooling and Servicing Agreement.
 
  No Certificateholder will have any right under a Pooling and Servicing
Agreement to institute any proceeding with respect to such Pooling and
Servicing Agreement (except as otherwise provided for in the related Pooling
and Servicing Agreement with respect to the Credit Enhancer) unless such
holder previously has given to the Trustee written notice of default and the
continuance thereof and unless the holders of Certificates of any class
evidencing not less than 25% of the aggregate Percentage Interests
constituting such class have made written request upon the Trustee to
institute such proceeding in its own name as Trustee thereunder and have
offered to the Trustee reasonable indemnity and the Trustee for 60 days after
receipt of such request and indemnity has neglected or refused to institute
any such proceeding. However, the Trustee will be under no obligation to
exercise any of the trusts or powers vested in it by the Pooling and Servicing
Agreement or to institute, conduct or defend any litigation thereunder or in
relation thereto at the request, order or direction of any of the holders of
Certificates covered by such Pooling and Servicing Agreement, unless such
Certificateholders have offered to the Trustee reasonable security or
indemnity against the costs, expenses and liabilities which may be incurred
therein or thereby.
 
AMENDMENT
 
  Each Pooling and Servicing Agreement may be amended by the Company, the
Master Servicer and the Trustee, without the consent of the related
Certificateholders (i) to cure any ambiguity; (ii) to correct or supplement
any provision therein which may be inconsistent with any other provision
therein or to correct any error; (iii) to change the timing and/or nature of
deposits in the Custodial Account or the Certificate Account or to change the
name in which the Custodial Account is maintained (except that (a) the
Certificate Account Deposit Date may not occur later than the related
Distribution Date, (b) such change may not adversely affect in any material
respect the interests of any Certificateholder, as evidenced by an opinion of
counsel, and (c) such change may not adversely affect the then-current rating
of any rated classes of Certificates, as evidenced by a letter from each
applicable Rating Agency as specified in the related Prospectus Supplement;
(iv) if a REMIC election has
 
                                      56
<PAGE>
 
been made with respect to the related Trust Fund, to modify, eliminate or add
to any of its provisions (a) to the extent necessary to maintain the
qualification of the Trust Fund as a REMIC or to avoid or minimize the risk of
imposition of any tax on the related Trust Fund, provided that the Trustee has
received an opinion of counsel to the effect that (1) such action is necessary
or desirable to maintain such qualification or to avoid or minimize such risk,
and (2) such action will not adversely affect in any material respect the
interests of any, or (b) to restrict the transfer of the REMIC Residual
Certificates, provided that the Company has determined that such change would
not adversely affect the applicable ratings of any classes of the
Certificates, as evidenced by a letter from each applicable Rating Agency as
specified in the related Prospectus Supplement, and that any such amendment
will not give rise to any tax with respect to the transfer of the REMIC
Residual Certificates to a non-permitted transferee; (v) to make any other
provisions with respect to matters or questions arising under such Pooling and
Servicing Agreement which are not materially inconsistent with the provisions
thereof, so long as such action will not adversely affect in any material
respect the interests of any Certificateholder, or (vi) to amend specified
provisions that are not material to holders of any class of Certificates
offered hereunder.
 
  The Pooling and Servicing Agreement may also be amended by the Company, the
Master Servicer and the Trustee (except as otherwise provided for in the
related Pooling and Servicing Agreement with respect to the Credit Enhancer)
with the consent of the holders of Certificates of each class affected thereby
evidencing, in each case, not less than 66% of the aggregate Percentage
Interests constituting such class for the purpose of adding any provisions to
or changing in any manner or eliminating any of the provisions of such Pooling
and Servicing Agreement or of modifying in any manner the rights of the
related Certificateholders, except that no such amendment may (i) reduce in
any manner the amount of, or delay the timing of, payments received on
Mortgage Loans which are required to be distributed on a Certificate of any
class without the consent of the holder of such Certificate or (ii) reduce the
percentage of Certificates of any class the holders of which are required to
consent to any such amendment unless the holders of all Certificates of such
class have consented to the change in such percentage.
 
  Notwithstanding the foregoing, if a REMIC election has been made with
respect to the related Trust Fund, the Trustee will not be entitled to consent
to any amendment to a Pooling and Servicing Agreement without having first
received an opinion of counsel to the effect that such amendment or the
exercise of any power granted to the Master Servicer, the Company or the
Trustee in accordance with such amendment will not result in the imposition of
a tax on the related Trust Fund or cause such Trust Fund to fail to qualify as
a REMIC.
 
TERMINATION; RETIREMENT OF CERTIFICATES
 
  The obligations created by the Pooling and Servicing Agreement for each
series of Certificates (other than certain limited payment and notice
obligations of the Trustee and the Company, respectively) will terminate upon
the payment to the related Certificateholders of all amounts held in the
Certificate Account or by the Master Servicer and required to be paid to such
Certificateholders following the earlier of (i) the final payment or other
liquidation or disposition (or any advance with respect thereto) of the last
Mortgage Loan subject thereto and all property acquired upon foreclosure or
deed in lieu of foreclosure of any Mortgage Loan and (ii) the purchase by the
Master Servicer or the Company or, if specified in the related Prospectus
Supplement, by the holder of the REMIC Residual Certificates (see "Certain
Federal Income Tax Consequences" below) from the Trust Fund for such series of
all remaining Mortgage Loans and all property acquired in respect of such
Mortgage Loans. In addition to the foregoing, the Master Servicer or the
Company may have the option to purchase, in whole but not in part, the
Certificates specified in the related Prospectus Supplement in the manner set
forth in the related Prospectus Supplement. Upon the purchase of such
Certificates or at any time thereafter, at the option of the Master Servicer
or the Company, the Mortgage Loans may be sold, thereby effecting a retirement
of the Certificates and the termination of the Trust Fund, or the Certificates
so purchased may be held or resold by the Master Servicer or the Company.
Written notice of termination of the Pooling and Servicing Agreement will be
given to each Certificateholder, and the final distribution will be made only
upon surrender and cancellation of the Certificates at an office or agency
appointed by the Trustee which will be specified in the notice of termination.
If the Certificateholders are permitted to terminate the trust under the
applicable Pooling and
 
                                      57
<PAGE>
 
Servicing Agreement, a penalty may be imposed upon the Certificateholders
based upon the fee that would be foregone by the Master Servicer because of
such termination.
 
  Any such purchase of Mortgage Loans and property acquired in respect of
Mortgage Loans evidenced by a series of Certificates shall be made at the
option of the Master Servicer, the Company or, if applicable, the holder of
the REMIC Residual Certificates at the price specified in the related
Prospectus Supplement. The exercise of such right will effect early retirement
of the Certificates of that series, but the right of any such entity to
purchase the Mortgage Loans and related property will be subject to the
criteria, and will be at the price, set forth in the related Prospectus
Supplement. Such early termination may adversely affect the yield to holders
of certain classes of such Certificates. If a REMIC election has been made,
the termination of the related Trust Fund will be effected in a manner
consistent with applicable federal income tax regulations and its status as a
REMIC.
 
THE TRUSTEE
 
  The Trustee under each Pooling and Servicing Agreement will be named in the
related Prospectus Supplement. The commercial bank or trust company serving as
Trustee may have normal banking relationships with the Company and/or its
affiliates, including Residential Funding.
 
  The Trustee may resign at any time, in which event the Company will be
obligated to appoint a successor trustee. The Company may also remove the
Trustee if the Trustee ceases to be eligible to continue as such under the
Pooling and Servicing Agreement or if the Trustee becomes insolvent. Upon
becoming aware of such circumstances, the Company will be obligated to appoint
a successor Trustee. The Trustee may also be removed at any time by the
holders of Certificates evidencing not less than 51% of the aggregate voting
rights in the related Trust Fund. Any resignation or removal of the Trustee
and appointment of a successor Trustee will not become effective until
acceptance of the appointment by the successor Trustee.
 
                             YIELD CONSIDERATIONS
 
  The yield to maturity of a Certificate will depend on the price paid by the
holder for such Certificate, the Pass-Through Rate on any such Certificate
entitled to payments of interest (which Pass-Through Rate may vary if so
specified in the related Prospectus Supplement) and the rate and timing of
principal payments (including prepayments, defaults, liquidations and
repurchases) on the Mortgage Loans and the allocation thereof to reduce the
principal balance of such Certificate (or notional amount thereof, if
applicable).
 
  Each monthly interest payment on a Mortgage Loan will be calculated as one-
twelfth of the applicable Mortgage Rate multiplied by the principal balance of
such Mortgage Loan outstanding as of the first day of the month prior to the
month in which the Distribution Date for the related series of Certificates
occurs, after giving effect to the payment of principal due on such first day,
subject to any Deferred Interest. The amount of such payments with respect to
each Mortgage Loan distributed (or accrued in the case of Deferred Interest or
Accrual Certificates) monthly to holders of a class of Certificates entitled
to payments of interest will be similarly calculated, unless otherwise
specified in the Prospectus Supplement, on the basis of such class's specified
percentage of each such payment of interest (or accrual in the case of Accrual
Certificates) and will be expressed as a fixed, adjustable or variable Pass-
Through Rate payable on the outstanding principal balance or notional amount
of such Certificate, or any combination of such Pass-Through Rates, calculated
as described herein and in the related Prospectus Supplement. Holders of Strip
Certificates or a class of Certificates having a Pass-Through Rate that varies
based on the weighted average Mortgage Rate of the underlying Mortgage Loans
will be affected by disproportionate prepayments and repurchases of Mortgage
Loans having higher Net Mortgage Rates or rates applicable to the Strip
Certificates, as applicable.
 
  The effective yield to maturity to each holder of Certificates entitled to
payments of interest will be below that otherwise produced by the applicable
Pass-Through Rate and purchase price of such Certificate because, while
interest will accrue on each Mortgage Loan from the first day of each month,
the distribution of such interest will be made on the 25th day (or, if such
day is not a business day, the next succeeding business day) of the month
following the month of accrual.
 
                                      58
<PAGE>
 
  A class of Certificates may be entitled to payments of interest at a fixed
Pass-Through Rate, a variable Pass-Through Rate or adjustable Pass-Through
Rate, or any combination of such Pass-Through Rates, each as specified in the
related Prospectus Supplement. A variable Pass-Through Rate may be calculated
based on the weighted average of the Mortgage Rates (net of servicing fees and
any Excess Spread or Excluded Spread) of the related Mortgage Loans (the "NET
MORTGAGE RATE") for the month preceding the Distribution Date. An adjustable
Pass-Through Rate may be calculated by reference to an index or otherwise. The
aggregate payments of interest on a class of Certificates, and the yield to
maturity thereon, will be affected by the rate of payment of principal on the
Certificates (or the rate of reduction in the notional amount of Certificates
entitled to payments of interest only) and, in the case of Certificates
evidencing interests in ARM Loans, by changes in the Net Mortgage Rates on the
ARM Loans. See "Maturity and Prepayment Considerations" below. The yield on
the Certificates will also be affected by liquidations of Mortgage Loans
following Mortgagor defaults and by purchases of Mortgage Loans in the event
of breaches of representations made in respect of such Mortgage Loans by the
Company, the Master Servicer and others, or conversions of ARM Loans to a
fixed interest rate. See "Mortgage Loan Program--Representations by Sellers"
and "Descriptions of the Certificates--Assignment of Mortgage Loans" above. In
addition, if the index used to determine the Pass-Through Rate for the
Certificates is different than the Index applicable to the Mortgage Rates, the
yield on the Certificates will be sensitive to changes in the index related to
the Pass-Through Rate and the yield on the Certificates may be reduced by
application of a cap on the Pass-Through Rate based on the weighted average of
the Net Mortgage Rates.
 
  In general, if a Certificate is purchased at a premium over its face amount
and payments of principal on the related Mortgage Loans occur at a rate faster
than assumed at the time of purchase, the purchaser's actual yield to maturity
will be lower than that anticipated at the time of purchase. Conversely, if a
class of Certificates is purchased at a discount from its face amount and
payments of principal on the related Mortgage Loans occur at a rate slower
than that assumed at the time of purchase, the purchaser's actual yield to
maturity will be lower than that originally anticipated. The effect of
principal prepayments, liquidations and purchases on yield will be
particularly significant in the case of a series of Certificates having a
class entitled to payments of interest only or disproportionate payments of
interest. Such a class will likely be sold at a substantial premium to its
principal balance and any faster than anticipated rate of prepayments will
adversely affect the yield to holders thereof. In certain circumstances, rapid
prepayments may result in the failure of such holders to recoup their original
investment. In addition, the yield to maturity on certain other types of
classes of Certificates, including Accrual Certificates, Certificates with a
Pass-Through Rate that fluctuates inversely with or at a multiple of an index
or certain other classes in a series including more than one class of
Certificates, may be relatively more sensitive to the rate of prepayment on
the related Mortgage Loans than other classes of Certificates.
 
  The timing of changes in the rate of principal payments on or repurchases of
the Mortgage Loans may significantly affect an investor's actual yield to
maturity, even if the average rate of principal payments experienced over time
is consistent with an investor's expectation. In general, the earlier a
prepayment of principal on the underlying Mortgage Loans or a repurchase
thereof, the greater will be the effect on an investor's yield to maturity. As
a result, the effect on an investor's yield of principal payments and
repurchases occurring at a rate higher (or lower) than the rate anticipated by
the investor during the period immediately following the issuance of a series
of Certificates would not be fully offset by a subsequent like reduction (or
increase) in the rate of principal payments.
 
  When a full prepayment is made on a Mortgage Loan, the Mortgagor is charged
interest on the principal amount of the Mortgage Loan so prepaid for the
number of days in the month actually elapsed up to the date of the prepayment,
at a daily rate determined by dividing the Mortgage Rate by 365. Unless
otherwise specified in the related Prospectus Supplement, prepayments in full
will reduce the amount of interest distributed in the following month to
holders of Certificates entitled to distributions of interest because the
resulting Prepayment Interest Shortfall will not be covered by Compensating
Interest. See "Description of the Certificates--Prepayment Interest
Shortfalls." Unless otherwise specified in the related Prospectus Supplement,
a partial prepayment of principal is applied so as to reduce the outstanding
principal balance of the related Mortgage Loan as of the first day of the
month in which such partial prepayment is received. As a result, unless
otherwise
 
                                      59
<PAGE>
 
specified in the related Prospectus Supplement, the effect of a partial
prepayment on a Mortgage Loan will be to reduce the amount of interest
distributed to holders of Certificates in the month following the receipt of
such partial prepayment by an amount equal to one month's interest at the
applicable Pass-Through Rate or Net Mortgage Rate, as the case may be, on the
prepaid amount. See "Description of the Certificates--Prepayment Interest
Shortfalls." Neither full or partial principal prepayments nor Liquidation
Proceeds will be distributed until the Distribution Date in the month
following receipt. See "Maturity and Prepayment Considerations."
 
  The rate of defaults on the Mortgage Loans will also affect the rate and
timing of principal payments on the Mortgage Loans and thus the yield on the
Certificates. In general, defaults on mortgage loans are expected to occur
with greater frequency in their early years. The rate of default on Mortgage
Loans which are refinance or limited documentation mortgage loans, and on
Mortgage Loans with high Loan-to-Value Ratios, may be higher than for other
types of Mortgage Loans. Furthermore, the rate and timing of prepayments,
defaults and liquidations on the Mortgage Loans will be affected by the
general economic condition of the region of the country in which the related
Mortgaged Properties are located. The risk of delinquencies and loss is
greater and prepayments are less likely in regions where a weak or
deteriorating economy exists, as may be evidenced by, among other factors,
increasing unemployment or falling property values. The yield on any class of
Certificates and the timing of principal payments thereon may also be affected
by certain modifications or actions that may be approved by the Master
Servicer as described herein under "Description of the Certificates--
Collection and Other Servicing Practices," in connection with a Mortgage Loan
that is in default (or if a default is reasonably foreseeable).
 
  With respect to certain Mortgage Loans including ARM Loans, the Mortgage
Rate at origination may be below the rate that would result if the index and
margin relating thereto were applied at origination. Under the applicable
underwriting standards, the mortgagor under each Mortgage Loan generally will
be qualified on the basis of the Mortgage Rate in effect at origination. The
repayment of any such Mortgage Loan may thus be dependent on the ability of
the mortgagor to make larger monthly payments following the adjustment of the
Mortgage Rate. In addition, the periodic increase in the amount paid by the
Mortgagor of a Buy-Down Mortgage Loan during or at the end of the applicable
Buy-Down Period may create a greater financial burden for the Mortgagor, who
might not have otherwise qualified for a mortgage under Residential Funding's
underwriting guidelines, and may accordingly increase the risk of default with
respect to the related Mortgage Loan.
 
  The Mortgage Rates on certain ARM Loans subject to negative amortization
generally adjust monthly and their amortization schedules adjust less
frequently. During a period of rising interest rates as well as immediately
after origination (initial Mortgage Rates are generally lower than the sum of
the Indices applicable at origination and the related Note Margins), the
amount of interest accruing on the principal balance of such Mortgage Loans
may exceed the amount of the scheduled monthly payment thereon. As a result, a
portion of the accrued interest on negatively amortizing Mortgage Loans may
become Deferred Interest which will be added to the principal balance thereof
and will bear interest at the applicable Mortgage Rate. The addition of any
such Deferred Interest to the principal balance of any related class of
Certificates will lengthen the weighted average life thereof and may adversely
affect yield to holders thereof. In addition, with respect to certain ARM
Loans subject to negative amortization, during a period of declining interest
rates, it might be expected that each scheduled monthly payment on such a
Mortgage Loan would exceed the amount of scheduled principal and accrued
interest on the principal balance thereof, and since such excess will be
applied to reduce the principal balance of the related class or classes of
Certificates, the weighted average life of such Certificates will be reduced
and may adversely affect yield to holders thereof.
 
  For each Mortgage Pool, if all necessary Advances are made and if there is
no unrecoverable loss on any Mortgage Loan, the net effect of each
distribution respecting interest will be to pass-through to each holder of a
class of Certificates entitled to payments of interest an amount which is
equal to one month's interest at the applicable Pass-Through Rate on such
class's principal balance or notional balance, as adjusted downward to reflect
any decrease in interest caused by any principal prepayments and the addition
of any Deferred Interest to the principal balance of any Mortgage Loan. See
"Description of the Certificates--Principal and Interest on the Certificates."
 
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<PAGE>
 
                    MATURITY AND PREPAYMENT CONSIDERATIONS
 
  As indicated above under "The Mortgage Pools," the original terms to
maturity of the Mortgage Loans in a given Mortgage Pool will vary depending
upon the type of Mortgage Loans included in such Mortgage Pool. The Prospectus
Supplement for a series of Certificates will contain information with respect
to the types and maturities of the Mortgage Loans in the related Mortgage
Pool. Unless otherwise specified in the related Prospectus Supplement, all of
the Mortgage Loans may be prepaid without penalty in full or in part at any
time. The prepayment experience, the timing and rate of repurchases and the
timing and amount of liquidations with respect to the related Mortgage Loans
in a Mortgage Pool will affect the life and yield of the related series of
Certificates.
 
  With respect to Balloon Loans, payment of the Balloon Amount (which, based
on the amortization schedule of such Mortgage Loans, is expected to be a
substantial amount) will generally depend on the Mortgagor's ability to obtain
refinancing of such Mortgage Loans or to sell the Mortgaged Property prior to
the maturity of the Balloon Loan. The ability to obtain refinancing will
depend on a number of factors prevailing at the time refinancing or sale is
required, including, without limitation, real estate values, the Mortgagor's
financial situation, prevailing mortgage loan interest rates, the Mortgagor's
equity in the related Mortgaged Property, tax laws and prevailing general
economic conditions. Unless otherwise specified in the related Prospectus
Supplement, neither the Company, the Master Servicer nor any of their
affiliates will be obligated to refinance or repurchase any Mortgage Loan or
to sell the Mortgaged Property.
 
  Prepayments on mortgage loans are commonly measured relative to a prepayment
standard or model. The Prospectus Supplement for each series of Certificates
may describe one or more such prepayment standards or models and may contain
tables setting forth the projected yields to maturity on each class of
Certificates and/or the weighted average life of each class of Certificates
and the percentage of the original principal amount of each class of
Certificates of such series that would be outstanding on specified payment
dates for such series based on the assumptions stated in such Prospectus
Supplement, including assumptions that prepayments on the Mortgage Loans are
made at rates corresponding to various percentages of the prepayment standard
or model. There is no assurance that prepayment of the Mortgage Loans
underlying a series of Certificates will conform to any level of the
prepayment standard or model specified in the related Prospectus Supplement.
 
  A number of factors, including homeowner mobility, economic conditions,
changes in mortgagors' housing needs, job transfers, unemployment, mortgagors'
equity in the properties securing the mortgages, servicing decisions,
enforceability of due-on-sale clauses, mortgage market interest rates,
mortgage recording taxes, solicitations and the availability of mortgage
funds, and the obtaining of secondary financing by the Mortgagor, may affect
prepayment experience. Unless otherwise specified in the related Prospectus
Supplement, all Mortgage Loans (other than ARM Loans) will contain due-on-sale
provisions permitting the mortgagee to accelerate the maturity of the Mortgage
Loan upon sale or certain transfers by the Mortgagor of the underlying
Mortgaged Property. Unless the related Prospectus Supplement indicates
otherwise, the Master Servicer will generally enforce any due-on-sale clause
to the extent it has knowledge of the conveyance or proposed conveyance of the
underlying Mortgaged Property and it is entitled to do so under applicable
law, provided, however, that the Master Servicer will not take any action in
relation to the enforcement of any due-on-sale provision which would adversely
affect or jeopardize coverage under any applicable insurance policy. An ARM
Loan is assumable under certain conditions if the proposed transferee of the
related Mortgaged Property establishes its ability to repay the Mortgage Loan
and, in the reasonable judgment of the Master Servicer or the related
Subservicer, the security for the ARM Loan would not be impaired by the
assumption. The extent to which ARM Loans are assumed by purchasers of the
Mortgaged Properties rather than prepaid by the related Mortgagors in
connection with the sales of the Mortgaged Properties will affect the weighted
average life of the related series of Certificates. See "Description of the
Certificates--Collection and Other Servicing Procedures" and "Certain Legal
Aspects of Mortgage Loans and Related Matters--Enforceability of Certain
Provisions" for a description of certain provisions of the Pooling and
Servicing Agreement and certain legal developments that may affect the
prepayment experience on the Mortgage Loans.
 
 
                                      61
<PAGE>
 
  In addition, certain Mortgage Securities included in a Mortgage Pool may be
backed by underlying Mortgage Loans having differing interest rates.
Accordingly, the rate at which principal payments are received on the related
Certificates will, to a certain extent, depend on the interest rates on such
underlying Mortgage Loans.
 
  At the request of the Mortgagor, a Subservicer may allow the refinancing of
a Mortgage Loan in any Trust Fund by accepting prepayments thereon and
permitting a new loan secured by a mortgage on the same property. In the event
of such a refinancing, the new loan would not be included in the related Trust
Fund and, therefore, such refinancing would have the same effect as a
prepayment in full of the related Mortgage Loan. A Subservicer or the Master
Servicer may, from time to time, implement programs designed to encourage
refinancing. Such programs may include, without limitation, modifications of
existing loans, general or targeted solicitations, the offering of pre-
approved applications, reduced origination fees or closing costs, or other
financial incentives. In addition, Subservicers or the Master Servicer may
encourage the refinancing of Mortgage Loans, including defaulted Mortgage
Loans, that would permit creditworthy borrowers to assume the outstanding
indebtedness of such Mortgage Loans.
 
  All statistics known to the Company that have been compiled with respect to
prepayment experience on mortgage loans indicate that while some mortgage
loans may remain outstanding until their stated maturities, a substantial
number will be paid prior to their respective stated maturities.
 
  The rate of prepayment with respect to conventional fixed-rate mortgage
loans has fluctuated significantly in recent years. For example, published
principal balance information for Freddie Mac and Fannie Mae securities backed
by conventional fixed-rate mortgage loans indicates that the prepayment rates
for such mortgage securities were substantially lower during the high interest
rate climate prevailing during 1980, 1981 and early 1982 than the prepayment
rates during 1985 and 1986 when prevailing interest rates declined. In
general, if interest rates fall below the Mortgage Rates on fixed-rate
Mortgage Loans, the rate of prepayment would be expected to increase.
 
  Although the Mortgage Rates on ARM Loans will be subject to periodic
adjustments, such adjustments generally will (i) not increase or decrease such
Mortgage Rates by more than a fixed percentage amount on each adjustment date,
(ii) not increase such Mortgage Rates over a fixed percentage amount during
the life of any ARM Loan and (iii) be based on an index (which may not rise
and fall consistently with mortgage interest rates) plus the related Note
Margin (which may be different from margins being used at the time for newly
originated adjustable rate mortgage loans). As a result, the Mortgage Rates on
the ARM Loans in a Mortgage Pool at any time may not equal the prevailing
rates for similar, newly originated adjustable rate mortgage loans. In certain
rate environments, the prevailing rates on fixed-rate mortgage loans may be
sufficiently low in relation to the then-current Mortgage Rates on ARM Loans
that the rate of prepayment may increase as a result of refinancings. There
can be no certainty as to the rate of prepayments on the Mortgage Loans during
any period or over the life of any series of Certificates.
 
  Under certain circumstances, the Master Servicer, the Company or, if
specified in the related Prospectus Supplement, the holders of the REMIC
Residual Certificates may have the option to purchase the Mortgage Loans in a
Trust Fund. See "The Pooling and Servicing Agreement--Termination; Retirement
of Certificates."
 
                    CERTAIN LEGAL ASPECTS OF MORTGAGE LOANS
 
  The following discussion contains summaries of certain legal aspects of
mortgage loans that are general in nature. Because such legal aspects are
governed in part by state law (which laws may differ substantially from state
to state), the summaries do not purport to be complete, to reflect the laws of
any particular state or to encompass the laws of all states in which the
Mortgaged Properties may be situated. The summaries are qualified in their
entirety by reference to the applicable federal and state laws governing the
Mortgage Loans.
 
 
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<PAGE>
 
THE MORTGAGE LOANS
 
 General
 
  The Mortgage Loans (other than Cooperative Loans) will be secured by deeds
of trust, mortgages or deeds to secure debt depending upon the prevailing
practice in the state in which the related Mortgaged Property is located. In
some states, a mortgage, deed of trust or deed to secure debt creates a lien
upon the real property encumbered by the mortgage. In other states, the
mortgage, deed of trust or deed to secure debt conveys legal title to the
property to the mortgagee subject to a condition subsequent (i.e., the payment
of the indebtedness secured thereby). It is not prior to the lien for real
estate taxes and assessments and other charges imposed under governmental
police powers. Priority with respect to such instruments depends on their
terms and in some cases on the terms of separate subordination or inter-
creditor agreements, and generally on the order of recordation of the mortgage
in the appropriate recording office. There are two parties to a mortgage, the
mortgagor, who is the borrower and homeowner, and the mortgagee, who is the
lender. Under the mortgage instrument, the mortgagor delivers to the mortgagee
a note or bond and the mortgage. In the case of a land trust, there are three
parties because title to the property is held by a land trustee under a land
trust agreement of which the borrower is the beneficiary; at origination of a
mortgage loan, the borrower executes a separate undertaking to make payments
on the mortgage note. Although a deed of trust is similar to a mortgage, a
deed of trust has three parties: the trustor, who is the borrower/homeowner;
the beneficiary, who is the lender; and a third-party grantee called the
trustee. Under a deed of trust, the borrower grants the property, irrevocably
until the debt is paid, in trust, generally with a power of sale, to the
trustee to secure payment of the obligation. A deed to secure debt typically
has two parties, pursuant to which the borrower, or grantor, conveys title to
the real property to the grantee, or lender, generally with a power of sale,
until such time as the debt is repaid. The trustee's authority under a deed of
trust and the mortgagee's authority under a mortgage are governed by the law
of the state in which the real property is located, the express provisions of
the deed of trust, mortgage or deed to secure debt and, in certain deed of
trust, transactions, the directions of the beneficiary.
 
 Cooperative Loans
 
  If specified in the Prospectus Supplement relating to a series of
Certificates, the Mortgage Loans may include Cooperative Loans. Each debt
instrument (a "COOPERATIVE NOTE") evidencing a Cooperative Loan will be
secured by a security interest in shares issued by the related corporation (a
"COOPERATIVE") that owns the related apartment building, which is a
corporation entitled to be treated as a housing cooperative under federal tax
law, and in the related proprietary lease or occupancy agreement granting
exclusive rights to occupy a specific dwelling unit in the Cooperative's
building. The security agreement will create a lien upon, or grant a security
interest in, the Cooperative shares and proprietary leases or occupancy
agreements, the priority of which will depend on the terms of the particular
security agreement as well as the order of recordation of the agreement (or
the filing of the financing statements related thereto) in the appropriate
recording office or the taking of possession of the Cooperative shares,
depending on the law of the state in which the Cooperative is located. Such a
lien or security interest is not, in general, prior to liens in favor of the
cooperative corporation for unpaid assessments or common charges.
 
  Unless otherwise specified in the related Prospectus Supplement, all
Cooperative buildings relating to the Cooperative Loans are located in the
State of New York. Generally, each Cooperative owns in fee or has a leasehold
interest in all the real property and owns in fee or leases the building and
all separate dwelling units therein. The Cooperative is directly responsible
for property management and, in most cases, payment of real estate taxes,
other governmental impositions and hazard and liability insurance. If there is
an underlying mortgage (or mortgages) on the Cooperative's building or
underlying land, as is generally the case, or an underlying lease of the land,
as is the case in some instances, the Cooperative, as mortgagor or lessee, as
the case may be, is also responsible for fulfilling such mortgage or rental
obligations. An underlying mortgage loan is ordinarily obtained by the
Cooperative in connection with either the construction or purchase of the
Cooperative's building or the obtaining of capital by the Cooperative. The
interest of the occupant under proprietary leases or occupancy agreements as
to which that Cooperative is the landlord is generally subordinate
 
                                      63
<PAGE>
 
to the interest of the holder of an underlying mortgage and to the interest of
the holder of a land lease. If the Cooperative is unable to meet the payment
obligations (i) arising under an underlying mortgage, the mortgagee holding an
underlying mortgage could foreclose on that mortgage and terminate all
subordinate proprietary leases and occupancy agreements or (ii) arising under
its land lease, the holder of the landlord's interest under the land lease
could terminate it and all subordinate proprietary leases and occupancy
agreements. In addition, an underlying mortgage on a Cooperative may provide
financing in the form of a mortgage that does not fully amortize, with a
significant portion of principal being due in one final payment at maturity.
The inability of the Cooperative to refinance a mortgage and its consequent
inability to make such final payment could lead to foreclosure by the
mortgagee. Similarly, a land lease has an expiration date and the inability of
the Cooperative to extend its term or, in the alternative, to purchase the
land, could lead to termination of the Cooperative's interest in the property
and termination of all proprietary leases and occupancy agreements. In either
event, a foreclosure by the holder of an underlying mortgage or the
termination of the underlying lease could eliminate or significantly diminish
the value of any collateral held by the lender who financed the purchase by an
individual tenant-stockholder of shares of the Cooperative or, in the case of
the Mortgage Loans, the collateral securing the Cooperative Loans.
 
  Each Cooperative is owned by shareholders (referred to as tenant-
stockholders) who, through ownership of stock or shares in the Cooperative,
receive proprietary leases or occupancy agreements which confer exclusive
rights to occupy specific dwellings. Generally, a tenant-stockholder of a
Cooperative must make a monthly rental payment to the Cooperative pursuant to
the proprietary lease, which rental payment represents such tenant-
stockholder's pro rata share of the Cooperative's payments for its underlying
mortgage, real property taxes, maintenance expenses and other capital or
ordinary expenses. An ownership interest in a Cooperative and accompanying
occupancy rights may be financed through a Cooperative Loan evidenced by a
Cooperative Note and secured by an assignment of and a security interest in
the occupancy agreement or proprietary lease and a security interest in the
related shares of the related Cooperative. The lender generally takes
possession of the share certificate and a counterpart of the proprietary lease
or occupancy agreement and a financing statement covering the proprietary
lease or occupancy agreement and the Cooperative shares is filed in the
appropriate state and local offices to perfect the lender's interest in its
collateral. Subject to the limitations discussed below, upon default of the
tenant-stockholder, the lender may sue for judgment on the Cooperative Note,
dispose of the collateral at a public or private sale or otherwise proceed
against the collateral or tenant-stockholder as an individual as provided in
the security agreement covering the assignment of the proprietary lease or
occupancy agreement and the pledge of Cooperative shares. See "--Foreclosure
on Shares of Cooperatives" below.
 
TAX ASPECTS OF COOPERATIVE OWNERSHIP
 
  In general, a "TENANT-STOCKHOLDER" (as defined in Section 216(b)(2) of the
Code of a corporation that qualifies as a "COOPERATIVE HOUSING CORPORATION"
within the meaning of Section 216(b)(1) of the Code is allowed a deduction for
amounts paid or accrued within his or her taxable year to the corporation
representing his or her proportionate share of certain interest expenses and
certain real estate taxes allowable as a deduction under Section 216(a) of the
Code to the corporation under Sections 163 and 164 of the Code. In order for a
corporation to qualify under Section 216(b)(1) of the Code for its taxable
year in which such items are allowable as a deduction to the corporation, such
section requires, among other things, that at least 80% of the gross income of
the corporation be derived from its tenant-stockholders. By virtue of this
requirement, the status of a corporation for purposes of Section 216(b)(1) of
the Code must be determined on a year-to-year basis. Consequently, there can
be no assurance that Cooperatives relating to the Cooperative Loans will
qualify under such section for any particular year. In the event that such a
Cooperative fails to qualify for one or more years, the value of the
collateral securing any related Cooperative Loans could be significantly
impaired because no deduction would be allowable to tenant-stockholders under
Section 216(a) of the Code with respect to those years. In view of
the significance of the tax benefits accorded tenant-stockholders of a
corporation that qualifies under Section 216(b)(1) of the Code, the likelihood
that such a failure would be permitted to continue over a period of years
appears remote.
 
 
                                      64
<PAGE>
 
 Foreclosure on Mortgage Loans
 
  Although a deed of trust or a deed to secure debt may also be foreclosed by
judicial action, foreclosure of a deed of trust or a deed to secure debt is
generally accomplished by a non-judicial trustee's sale under a specific
provision in the deed of trust which authorizes the trustee or lender, as
applicable, to sell the property upon any default by the borrower under the
terms of the note or deed of trust. In addition to any notice requirements
contained in a deed of trust, in some states, the trustee must record a notice
of default and send a copy to the borrower/trustor and to any person who has
recorded a request for a copy of notice of default and notice of sale. In
addition, in some states, the trustee or lender, as applicable, must provide
notice to any other individual having an interest of record in the real
property, including any junior lienholders. If the deed of trust is not
reinstated within a specified period, a notice of sale must be posted in a
public place and, in most states, published for a specific period of time in
one or more newspapers. In addition, some states' laws require that a copy of
the notice of sale be posted on the property and sent to all parties having an
interest of record in the real property.
 
  Foreclosure of a mortgage generally is accomplished by judicial action.
Generally, the action is initiated by the service of legal pleadings upon all
parties having an interest of record in the real property. Delays in
completion of the foreclosure may result from difficulties in locating and
serving necessary parties, including borrowers located outside the
jurisdiction in which the mortgaged property is located. If the mortgagee's
right to foreclose is contested, the legal proceedings necessary to resolve
the issue can be time-consuming.
 
  In some states, the borrower-trustor has the right to reinstate the loan at
any time following default until shortly before the trustee's sale. In
general, in such states, the borrower, or any other person having a junior
encumbrance on the real estate, may, during a reinstatement period, cure the
default by paying the entire amount in arrears plus the costs and expenses
incurred in enforcing the obligation.
 
  In the case of foreclosure under a mortgage, a deed of trust or deed to
secure debt, the sale by the referee or other designated officer or by the
trustee is a public sale. However, because of the difficulty a potential buyer
at the sale may have in determining the exact status of title and because the
physical condition of the property may have deteriorated during the
foreclosure proceedings, it is uncommon for a third party to purchase the
property at a foreclosure sale. Rather, it is common for the lender to
purchase the property from the trustee or referee for a credit bid less than
or equal to the unpaid principal amount of the mortgage or deed of trust,
accrued and unpaid interest and the expense of foreclosure. Generally, state
law controls the amount of foreclosure costs and expenses, including
attorneys' fees, which may be recovered by a lender. Thereafter, subject to
the right of the borrower in some states to remain in possession during the
redemption period, the lender will assume the burdens of ownership, including
obtaining hazard insurance and making such repairs at its own expense as are
necessary to render the property suitable for sale. Generally, the lender will
obtain the services of a real estate broker and pay the broker's commission in
connection with the sale of the property. Depending upon market conditions,
the ultimate proceeds of the sale of the property may not equal the lender's
investment in the property and, in some states, the lender may be entitled to
a deficiency judgment. In some cases, a deficiency judgment may be pursued in
lieu of foreclosure. Any loss may be reduced by the receipt of any mortgage
insurance proceeds or other forms of credit enhancement for a series of
Certificates. See "Description of Credit Enhancement."
 
 Foreclosure on Shares of Cooperatives
 
  The Cooperative shares owned by the tenant-stockholder, together with the
rights of the tenant-stockholder under the proprietary lease or occupancy
agreement, are pledged to the lender and are, in almost all cases, subject to
restrictions on transfer as set forth in the Cooperative's certificate of
incorporation and by-laws, as well as in the proprietary lease or occupancy
agreement. The proprietary lease or occupancy agreement, even while pledged,
may be cancelled by the Cooperative for failure by the tenant-stockholder to
pay rent or other obligations or charges owed by such tenant-stockholder,
including mechanics' liens against the Cooperative's building incurred by such
tenant-stockholder. Generally, rent and other obligations and charges arising
under a proprietary lease or occupancy agreement which are owed to the
Cooperative are made liens upon the shares to which the proprietary lease or
occupancy agreement relates. In addition, the proprietary lease or occupancy
 
                                      65
<PAGE>
 
agreement generally permits the Cooperative to terminate such lease or
agreement in the event the borrower defaults in the performance of covenants
thereunder. Typically, the lender and the Cooperative enter into a recognition
agreement which, together with any lender protection provisions contained in
the proprietary lease or occupancy agreement, establishes the rights and
obligations of both parties in the event of a default by the tenant-
stockholder on its obligations under the proprietary lease or occupancy
agreement. A default by the tenant-stockholder under the proprietary lease or
occupancy agreement will usually constitute a default under the security
agreement between the lender and the tenant-stockholder.
 
  The recognition agreement generally provides that, in the event that the
tenant-stockholder has defaulted under the proprietary lease or occupancy
agreement, the Cooperative will take no action to terminate such lease or
agreement until the lender has been provided with notice of and an opportunity
to cure the default. The recognition agreement typically provides that if the
proprietary lease or occupancy agreement is terminated, the Cooperative will
recognize the lender's lien against proceeds from a sale of the shares and the
proprietary lease or occupancy agreement allocated to the dwelling, subject,
however, to the Cooperative's right to sums due under such proprietary lease
or occupancy agreement or which have become liens on the shares relating to
the proprietary lease or occupancy agreement. The total amount owed to the
Cooperative by the tenant-stockholder, which the lender generally cannot
restrict and does not monitor, could reduce the amount realized upon a sale of
the collateral below the outstanding principal balance of the Cooperative Loan
and accrued and unpaid interest thereon.
 
  Recognition agreements also generally provide that in the event the lender
succeeds to the tenant-shareholder's shares and proprietary lease or occupancy
agreement as the result of realizing upon its collateral for a Cooperative
Loan, the lender must obtain the approval or consent of the board of directors
of the Cooperative as required by the proprietary lease before transferring
the Cooperative shares and assigning the proprietary lease. Such approval or
consent is usually based on the prospective purchaser's income and net worth,
among other factors, and may significantly reduce the number of potential
purchasers, which could limit the ability of the lender to sell and realize
upon the value of the collateral. Generally, the lender is not limited in any
rights it may have to dispossess the tenant-stockholder.
 
  Because of the nature of Cooperative Loans, lenders do not require the
tenant-stockholder (i.e., the borrower) to obtain title insurance of any type.
Consequently, the existence of any prior liens or other imperfections of title
affecting the Cooperative's building or real estate also may adversely affect
the marketability of the shares allocated to the dwelling unit in the event of
foreclosure.
 
  A foreclosure on the Cooperative shares is accomplished by public sale in
accordance with the provisions of Article 9 of the Uniform Commercial Code
(the "UCC") and the security agreement relating to those shares. Article 9 of
the UCC requires that a sale be conducted in a "commercially reasonable"
manner. Whether a sale has been conducted in a "commercially reasonable"
manner will depend on the facts in each case. In determining commercial
reasonableness, a court will look to the notice given the debtor and the
method, manner, time, place and terms of the sale and the sale price.
Generally, a sale conducted according to the usual practice of creditors
selling similar collateral in the same area will be considered reasonably
conducted.
 
  Article 9 of the UCC provides that the proceeds of the sale will be applied
first to pay the costs and expenses of the sale and then to satisfy the
indebtedness secured by the lender's security interest. The recognition
agreement, however, generally provides that the lender's right to
reimbursement is subject to the right of the Cooperative corporation to
receive sums due under the proprietary lease or occupancy agreement. If there
are proceeds remaining, the lender must account to the tenant-stockholder for
the surplus. Conversely, if a portion of the indebtedness remains unpaid, the
tenant-stockholder is generally responsible for the deficiency. See "--Anti-
Deficiency Legislation and Other Limitations on Lenders" below.
 
 Rights of Redemption
 
  In some states, after sale pursuant to a deed of trust, a deed to secure
debt or foreclosure of a mortgage, the borrower and foreclosed junior lienors
or other parties are given a statutory period (generally ranging from six
 
                                      66
<PAGE>
 
months to two years) in which to redeem the property from the foreclosure
sale. In some states, redemption may occur only upon payment of the entire
principal balance of the loan, accrued interest and expenses of foreclosure.
In other states, redemption may be authorized if the former borrower pays only
a portion of the sums due. The effect of a statutory right of redemption is to
diminish the ability of the lender to sell the foreclosed property. The rights
of redemption would defeat the title of any purchaser subsequent to
foreclosure or sale under a deed of trust or a deed to secure debt.
Consequently, the practical effect of the redemption right is to force the
lender to maintain the property and pay the expenses of ownership until the
redemption period has expired.
 
 Anti-Deficiency Legislation and Other Limitations on Lenders
 
  Certain states have imposed statutory prohibitions which limit the remedies
of a beneficiary under a deed of trust or a mortgagee under a mortgage or a
deed to secure debt. In some states (including California), statutes limit the
right of the beneficiary or mortgagee to obtain a deficiency judgment against
the borrower following foreclosure. A deficiency judgment is a personal
judgment against the former borrower equal in most cases to the difference
between the net amount realized upon the public sale of the real property and
the amount due to the lender. In the case of a Mortgage Loan secured by a
property owned by a trust where the Mortgage Note is executed on behalf of the
trust, a deficiency judgment against the trust following foreclosure or sale
under a deed of trust, even if obtainable under applicable law, may be of
little value to the mortgagee or beneficiary if there are no trust assets
against which such deficiency judgment may be executed. Some state statutes
require the beneficiary or mortgagee to exhaust the security afforded under a
deed of trust, deed to secure debt or mortgage by foreclosure in an attempt to
satisfy the full debt before bringing a personal action against the borrower.
In certain other states, the lender has the option of bringing a personal
action against the borrower on the debt without first exhausting such
security; however, in some of these states, the lender, following judgment on
such personal action, may be deemed to have elected a remedy and may be
precluded from exercising remedies with respect to the security. Consequently,
the practical effect of the election requirement, in those states permitting
such election, is that lenders will usually proceed against the security first
rather than bringing a personal action against the borrower. Finally, in
certain other states, statutory provisions limit any deficiency judgment
against the borrower following a foreclosure to the excess of the outstanding
debt over the fair value of the property at the time of the public sale. The
purpose of these statutes is generally to prevent a beneficiary or mortgagee
from obtaining a large deficiency judgment against the borrower as a result of
low or no bids at the judicial sale.
 
  Generally, Article 9 of the UCC governs foreclosure on Cooperative Shares
and the related proprietary lease or occupancy agreement. Some courts have
interpreted Article 9 to prohibit or limit a deficiency award in certain
circumstances, including circumstances where the disposition of the collateral
(which, in the case of a Cooperative Loan, would be the shares of the
Cooperative and the related proprietary lease or occupancy agreement) was not
conducted in a commercially reasonable manner.
 
  In addition to laws limiting or prohibiting deficiency judgments, numerous
other federal and state statutory provisions, including the federal bankruptcy
laws and state laws affording relief to debtors, may interfere with or affect
the ability of the secured mortgage lender to realize upon its collateral
and/or enforce a deficiency judgment. For example, under the federal
bankruptcy law, all actions against the debtor, the debtor's property and any
co-debtor are automatically stayed upon the filing of a bankruptcy petition.
Moreover, a court having federal bankruptcy jurisdiction may permit a debtor
through its Chapter 11 or Chapter 13 rehabilitative plan to cure a monetary
default in respect of a mortgage loan on such debtor's residence by paying
arrearages within a reasonable time period and reinstating the original
mortgage loan payment schedule, even though the lender accelerated the
mortgage loan and final judgment of foreclosure had been entered in state
court (provided no sale of the residence had yet occurred) prior to the filing
of the debtor's petition. Some courts with federal bankruptcy jurisdiction
have approved plans, based on the particular facts of the reorganization case,
that effected the curing of a mortgage loan default by paying arrearages over
a number of years.
 
  Courts with federal bankruptcy jurisdiction have also indicated that the
terms of a mortgage loan secured by property which is not the principal
residence of the debtor may be modified. These courts have allowed
 
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modifications that include reducing the amount of each monthly payment,
changing the rate of interest, altering the repayment schedule, forgiving all
or a portion of the debt and reducing the lender's security interest to the
value of the residence, thus leaving the lender a general unsecured creditor
for the difference between the value of the residence and the outstanding
balance of the loan. Generally, however, the terms of a mortgage loan secured
only by a mortgage on real property that is the debtor's principal residence
may not be modified pursuant to a plan confirmed pursuant to Chapter 13 except
with respect to mortgage payment arrearages, which may be cured within a
reasonable time period. Courts with federal bankruptcy jurisdiction similarly
may be able to modify the terms of a Cooperative Loan.
 
  Certain tax liens arising under the Code may, in certain circumstances, have
priority over the lien of a mortgage, deed to secure debt or deed of trust.
This may have the effect of delaying or interfering with the enforcement of
rights with respect to a defaulted Mortgage Loan.
 
  In addition, substantive requirements are imposed upon mortgage lenders in
connection with the origination and the servicing of mortgage loans by
numerous federal and some state consumer protection laws. These laws include
the federal Truth-in-Lending Act, Real Estate Settlement Procedures Act, Equal
Credit Opportunity Act, Fair Credit Billing Act, Fair Credit Reporting Act and
related statutes. These federal laws impose specific statutory liabilities
upon lenders who originate mortgage loans and who fail to comply with the
provisions of the law. In some cases, this liability may affect assignees of
the mortgage loans.
 
  Certain of the Mortgage Loans may be subject to special rules, disclosure
requirements and other provisions that were added to the federal Truth-in-
Lending Act by the Homeownership and Equity Protection Act of 1994 (such
Mortgage Loans, "HIGH COST LOANS"), if such Mortgage Loans were originated on
or after October 1, 1995, are not mortgage loans made to finance the purchase
of the mortgaged property and have interest rates or origination costs in
excess of certain prescribed levels. Purchasers or assignees of any High Cost
Loan, including any Trust Fund, could be liable for all claims and subject to
all defenses arising under such provisions that the borrower could assert
against the originator thereof. Remedies available to the borrower include
monetary penalties, as well as recision rights if the appropriate disclosures
were not given as required.
 
 Enforceability of Certain Provisions
 
  Unless the Prospectus Supplement indicates otherwise, the Mortgage Loans
generally contain due-on-sale clauses. These clauses permit the lender to
accelerate the maturity of the loan if the borrower sells, transfers or
conveys the property. The enforceability of these clauses has been the subject
of legislation or litigation in many states, and in some cases the
enforceability of these clauses has been limited or denied. However, the Garn-
St Germain Depository Institutions Act of 1982 (the "GARN-ST GERMAIN ACT"),
preempts state constitutional, statutory and case law that prohibit the
enforcement of due-on-sale clauses and permits lenders to enforce these
clauses in accordance with their terms, subject to certain limited exceptions.
The Garn-St Germain Act does "encourage" lenders to permit assumption of loans
at the original rate of interest or at some other rate less than the average
of the original rate and the market rate.
 
  The Garn-St Germain Act also sets forth nine specific instances in which a
mortgage lender covered by the Garn-St Germain Act may not exercise a due-on-
sale clause, notwithstanding the fact that a transfer of the property may have
occurred. These include intra-family transfers, certain transfers by operation
of law, leases of fewer than three years and the creation of a junior
encumbrance. Regulations promulgated under the Garn-St Germain Act also
prohibit the imposition of a prepayment penalty upon the acceleration of a
loan pursuant to a due-on-sale clause.
 
  The inability to enforce a due-on-sale clause may result in a mortgage loan
bearing an interest rate below the current market rate being assumed by a new
home buyer rather than being paid off, which may have an impact upon the
average life of the Mortgage Loans and the number of Mortgage Loans which may
be outstanding until maturity.
 
 
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<PAGE>
 
  Upon foreclosure, courts have imposed general equitable principles. These
equitable principles are generally designed to relieve the borrower from the
legal effect of its defaults under the loan documents. Examples of judicial
remedies that have been fashioned include judicial requirements that the
lender undertake affirmative and expensive actions to determine the causes for
the borrower's default and the likelihood that the borrower will be able to
reinstate the loan. In some cases, courts have required that lenders reinstate
loans or recast payment schedules in order to accommodate borrowers who are
suffering from temporary financial disability. In other cases, courts have
limited the right of the lender to foreclose if the default under the mortgage
instrument is not monetary, such as the borrower failing to adequately
maintain the property. Finally, some courts have been faced with the issue of
whether or not federal or state constitutional provisions reflecting due
process concerns for adequate notice require that borrowers under deeds of
trust, deeds to secure debt or mortgages receive notices in addition to the
statutorily prescribed minimum. For the most part, these cases have upheld the
notice provisions as being reasonable or have found that the sale by a trustee
under a deed of trust, or under a deed to secure a debt or a mortgage having a
power of sale, does not involve sufficient state action to afford
constitutional protections to the borrower.
 
 Applicability of Usury Laws
 
  Title V of the Depository Institutions Deregulation and Monetary Control Act
of 1980 ("TITLE V"), provides that state usury limitations shall not apply to
certain types of residential first mortgage loans originated by certain
lenders after March 31, 1980. A similar federal statute was in effect with
respect to mortgage loans made during the first three months of 1980. The
Office of Thrift Supervision is authorized to issue rules and regulations and
to publish interpretations governing implementation of Title V. The statute
authorized any state to impose interest rate limits by adopting, before April
1, 1983, a law or constitutional provision which expressly rejects application
of the federal law. In addition, even where Title V is not so rejected, any
state is authorized by the law to adopt a provision limiting discount points
or other charges on mortgage loans covered by Title V. Certain states have
taken action to reimpose interest rate limits or to limit discount points or
other charges.
 
  Unless otherwise set forth in the related Prospectus Supplement, each
Seller, or another specified party, will have represented that each Mortgage
Loan was originated in compliance with then applicable state laws, including
usury laws, in all material respects. However, the Mortgage Rates on the
Mortgage Loans will be subject to applicable usury laws as in effect from time
to time.
 
 Alternative Mortgage Instruments
 
  Alternative mortgage instruments, including adjustable rate mortgage loans
and early ownership mortgage loans, originated by non-federally chartered
lenders, have historically been subjected to a variety of restrictions. Such
restrictions differed from state to state, resulting in difficulties in
determining whether a particular alternative mortgage instrument originated by
a state-chartered lender was in compliance with applicable law. These
difficulties were alleviated substantially as a result of the enactment of
Title VIII of the Garn-St Germain Act ("TITLE VIII"). Title VIII provides
that, notwithstanding any state law to the contrary, (i) state-chartered banks
may originate alternative mortgage instruments in accordance with regulations
promulgated by the Comptroller of the Currency with respect to the origination
of alternative mortgage instruments by national banks, (ii) state-chartered
credit unions may originate alternative mortgage instruments in accordance
with regulations promulgated by the National Credit Union Administration with
respect to origination of alternative mortgage instruments by federal credit
unions and (iii) all other non-federally chartered housing creditors,
including state-chartered savings and loan associations, state-chartered
savings banks and mutual savings banks and mortgage banking companies, may
originate alternative mortgage instruments in accordance with the regulations
promulgated by the Federal Home Loan Bank Board, predecessor to the Office of
Thrift Supervision, with respect to origination of alternative mortgage
instruments by federal savings and loan associations. Title VIII also provides
that any state may reject applicability of the provisions of Title VIII by
adopting, prior to October 15, 1985, a law or constitutional provision
expressly rejecting the applicability of such provisions. Certain states have
taken such action.
 
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<PAGE>
 
ENVIRONMENTAL LEGISLATION
 
  Real property pledged as security to a lender may be subject to unforeseen
environmental risks. Most environmental statutes create obligations for any
party that can be classified as the "owner" or "operator" of a "facility"
(referring to both operating facilities and to real property). Under the laws
of some states and under the federal Comprehensive Environmental Response,
Compensation and Liability Act of 1980, a lender may be liable, as an "owner"
or "operator," for costs arising out of releases or threatened releases of
hazardous substances that require remedy at a mortgaged property, if agents or
employees of the lender have become sufficiently involved in the operations of
the borrower or, subsequent to a foreclosure, in the management of the
property. Such liability may arise regardless of whether the environmental
damage or threat was caused by a prior owner.
 
  Under federal and certain state laws, contamination of a property may give
rise to a lien on the property to assure the payment of costs of clean-up.
Under federal law and in several states, such a lien has priority over the
lien of an existing mortgage against such property. If a lender is or becomes
directly liable following a foreclosure, it may be precluded from bringing an
action for contribution against the owner or operator who created the
environmental hazard. Such clean-up costs may be substantial. It is possible
that such costs could become a liability of the related Trust Fund and
occasion a loss to Certificateholders in certain circumstances described above
if such remedial costs were incurred.
 
  Except as otherwise specified in the applicable Prospectus Supplement, at
the time the Mortgage Loans were originated, no environmental assessment or a
very limited environment assessment of the Mortgaged Properties will have been
conducted.
 
SOLDIERS' AND SAILORS' CIVIL RELIEF ACT OF 1940
 
  Under the terms of the Relief Act, a borrower who enters military service
after the origination of such borrower's mortgage loan (including a borrower
who was in reserve status and is called to active duty after origination of
the mortgage loan), may not be charged interest (including fees and charges)
above an annual rate of 6% during the period of such borrower's active duty
status, unless a court orders otherwise upon application of the lender. The
Relief Act applies to borrowers who are members of the Air Force, Army,
Marines, Navy, National Guard, Reserves or Coast Guard, and officers of the
U.S. Public Health Service assigned to duty with the military. Because the
Relief Act applies to borrowers who enter military service (including
reservists who are called to active duty) after origination of the related
mortgage loan, no information can be provided as to the number of Mortgage
Loans that may be affected by the Relief Act. With respect to Mortgage Loans
included in a Trust Fund, application of the Relief Act would adversely
affect, for an indeterminate period of time, the ability of the Master
Servicer to collect full amounts of interest on such Mortgage Loans. Any
shortfall in interest collections resulting from the application of the Relief
Act or similar legislation or regulations, which would not be recoverable from
the related Mortgage Loans, would result in a reduction of the amounts
distributable to the holders of the related Certificates, and would not be
covered by Advances or any form of credit enhancement provided in connection
with the related series of Certificates. In addition, the Relief Act imposes
limitations that would impair the ability of the Master Servicer to foreclose
on an affected Mortgage Loan during the Mortgagor's period of active duty
status, and, under certain circumstances, during an additional three month
period thereafter. Thus, in the event that the Relief Act or similar
legislation or regulations applies to any Mortgage Loan which goes into
default, there may be delays in payment and losses on the related Certificates
in connection therewith. Any other interest shortfalls, deferrals or
forgiveness of payments on the Mortgage Loans resulting from similar
legislation or regulations may result in delays in payments or losses to
Certificateholders of the related series.
 
DEFAULT INTEREST AND LIMITATIONS ON PREPAYMENTS
 
  Notes and mortgages may contain provisions that obligate the borrower to pay
a late charge or additional interest if payments are not timely made, and in
some circumstances, may prohibit prepayments for a specified period and/or
condition prepayments upon the borrower's payment of prepayment fees or yield
maintenance
 
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<PAGE>
 
penalties. In certain states, there are or may be specific limitations upon
the late charges which a lender may collect from a borrower for delinquent
payments. Certain states also limit the amounts that a lender may collect from
a borrower as an additional charge if the loan is prepaid. In addition, the
enforceability of provisions that provide for prepayment fees or penalties
upon an involuntary prepayment is unclear under the laws of many states. Most
conventional single-family mortgage loans may be prepaid in full or in part
without penalty. The regulations of the Federal Home Loan Bank Board, as
succeeded by the OTS, prohibit the imposition of a prepayment penalty or
equivalent fee for or in connection with the acceleration of a loan by
exercise of a due-on-sale clause. A mortgagee to whom a prepayment in full has
been tendered may be compelled to give either a release of the mortgage or an
instrument assigning the existing mortgage. The absence of a restraint on
prepayment, particularly with respect to Mortgage Loans having higher mortgage
rates, may increase the likelihood of refinancing or other early retirements
of the Mortgage Loans.
 
FORFEITURES IN DRUG AND RICO PROCEEDINGS
 
  Federal law provides that property owned by persons convicted of drug-
related crimes or of criminal violations of the Racketeer Influenced and
Corrupt Organizations ("RICO") statute can be seized by the government if the
property was used in, or purchased with the proceeds of, such crimes. Under
procedures contained in the Comprehensive Crime Control Act of 1984, the
government may seize the property even before conviction. The government must
publish notice of the forfeiture proceeding and may give notice to all parties
"known to have an alleged interest in the property," including the holders of
mortgage loans.
 
  A lender may avoid forfeiture of its interest in the property if it
establishes that: (i) its mortgage was executed and recorded before commission
of the crime upon which the forfeiture is based, or (ii) the lender was, at
the time of execution of the mortgage, "reasonably without cause to believe"
that the property was used in, or purchased with the proceeds of, illegal drug
or RICO activities.
 
                    CERTAIN FEDERAL INCOME TAX CONSEQUENCES
 
GENERAL
 
  The following is a general discussion of certain anticipated material
federal income tax consequences of the purchase, ownership and disposition of
the Certificates offered hereunder. This discussion is directed solely to
Certificateholders that hold the Certificates as capital assets within the
meaning of Section 1221 of the Code and does not purport to discuss all
federal income tax consequences that may be applicable to particular
categories of investors, some of which (such as banks, insurance companies and
foreign investors) may be subject to special rules. In addition, the
authorities on which this discussion, and the opinion referred to below, are
based are subject to change or differing interpretations, which could apply
retroactively. Taxpayers and preparers of tax returns (including those filed
by any REMIC or other issuer) should be aware that under applicable Treasury
regulations a provider of advice on specific issues of law is not considered
an income tax return preparer unless the advice (i) is given with respect to
events that have occurred at the time the advice is rendered and is not given
with respect to the consequences of contemplated actions, and (ii) is directly
relevant to the determination of an entry on a tax return. Accordingly,
taxpayers should consult their tax advisors and tax return preparers regarding
the preparation of any item on a tax return, even where the anticipated tax
treatment has been discussed herein or in a Prospectus Supplement. In addition
to the federal income tax consequences described herein, potential investors
should consider the state and local tax consequences, if any, of the purchase,
ownership and disposition of the Certificates. See "State and Other Tax
Consequences." Certificateholders are advised to consult their tax advisors
concerning the federal, state, local or other tax consequences to them of the
purchase, ownership and disposition of the Certificates offered hereunder.
 
  The following discussion addresses REMIC Certificates representing interests
in a Trust Fund, or a portion thereof, which the Master Servicer will covenant
to elect to have treated as a REMIC under Sections 860A through 860G (the
"REMIC PROVISIONS") of the Code. The Prospectus Supplement for each series of
Certificates will indicate whether a REMIC election (or elections) will be
made for the related Trust Fund and, if
 
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<PAGE>
 
such an election is to be made, will identify all "regular interests" and
"residual interests" in the REMIC. If a REMIC election will not be made for a
Trust Fund, the federal income consequences of the purchase, ownership and
disposition of the related Certificates will be set forth in the related
Prospectus Supplement. For purposes of this tax discussion, references to a
"Certificateholder" or a "holder" are to the beneficial owner of a
Certificate.
 
  The following discussion is based in part upon the rules governing original
issue discount that are set forth in Sections 1271 through 1273 and Section
1275 of the Code and in the Treasury regulations issued thereunder (the "OID
REGULATIONS"), and in part upon the REMIC Provisions and the Treasury
regulations issued thereunder (the "REMIC REGULATIONS"). The OID Regulations,
which are effective with respect to debt instruments issued on or after April
4, 1994, do not adequately address certain issues relevant to, and in some
instances provide that they are not applicable to, securities such as the
Certificates.
 
REMICS
 
 Classification of REMICs
 
  Upon the issuance of each series of REMIC Certificates, Thacher Proffitt &
Wood or Orrick, Herrington & Sutcliffe, counsel to the Company, will deliver
their opinion generally to the effect that, assuming compliance with all
provisions of the related Pooling and Servicing Agreement, the related Trust
Fund (or each applicable portion thereof) will qualify as a REMIC and the
REMIC Certificates offered with respect thereto will be considered to evidence
ownership of "regular interests" ("REMIC REGULAR CERTIFICATES") or "residual
interests" ("REMIC RESIDUAL CERTIFICATES") in that REMIC within the meaning of
the REMIC Provisions.
 
  If an entity electing to be treated as a REMIC fails to comply with one or
more of the ongoing requirements of the Code for such status during any
taxable year, the Code provides that the entity will not be treated as a REMIC
for such year and thereafter. In that event, such entity may be taxable as a
separate corporation under Treasury regulations, and the related REMIC
Certificates may not be accorded the status or given the tax treatment
described below. Although the Code authorizes the Treasury Department to issue
regulations providing relief in the event of an inadvertent termination of
REMIC status, no such regulations have been issued. Any such relief, moreover,
may be accompanied by sanctions, such as the imposition of a corporate tax on
all or a portion of the Trust Fund's income for the period in which the
requirements for such status are not satisfied. The Pooling and Servicing
Agreement with respect to each REMIC will include provisions designed to
maintain the Trust Fund's status as a REMIC under the REMIC Provisions. It is
not anticipated that the status of any Trust Fund as a REMIC will be
terminated.
 
 Characterization of Investments in REMIC Certificates
 
  In general, the REMIC Certificates will be "qualifying real property loans"
within the meaning of Section 593(d) of the Code, "real estate assets" within
the meaning of Section 856(c)(5)(A) of the Code and assets described in
Section 7701(a)(19)(C) of the Code in the same proportion that the assets of
the REMIC underlying such Certificates would be so treated. Moreover, if 95%
or more of the assets of the REMIC qualify for any of the foregoing treatments
at all times during a calendar year, the REMIC Certificates will qualify for
the corresponding status in their entirety for that calendar year. Interest
(including original issue discount) on the REMIC Regular Certificates and
income allocated to the class of REMIC Residual Certificates will be interest
described in Section 856(c)(3)(B) of the Code to the extent that such
Certificates are treated as "real estate assets" within the meaning of Section
856(c)(5)(A) of the Code. In addition, the REMIC Regular Certificates will be
"qualified mortgages" within the meaning of Section 860G(a)(3)(C) of the Code
if transferred to another REMIC on its startup day in exchange for regular or
residual interests therein. The determination as to the percentage of the
REMIC's assets that constitute assets described in the foregoing sections of
the Code will be made with respect to each calendar quarter based on the
average adjusted basis of each category of the assets held by the REMIC during
such calendar quarter. The Master Servicer will report those determinations to
Certificateholders in the manner and at the times required by applicable
Treasury regulations.
 
 
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<PAGE>
 
  The assets of the REMIC will include, in addition to Mortgage Loans,
payments on Mortgage Loans held pending distribution on the REMIC Certificates
and property acquired by foreclosure held pending sale, and may include
amounts in reserve accounts. It is unclear whether property acquired by
foreclosure held pending sale and amounts in reserve accounts would be
considered to be part of the Mortgage Loans, or whether such assets (to the
extent not invested in assets described in the foregoing sections) otherwise
would receive the same treatment as the Mortgage Loans for purposes of all of
the foregoing sections. In addition, in some instances Mortgage Loans
(including Additional Collateral Loans) may not be treated entirely as assets
described in the foregoing sections. If the assets of a REMIC include
Additional Collateral Loans, the non-real property collateral, while itself
not an asset of the REMIC, could cause the Mortgage Loans not to qualify for
one or more of such characterizations. If so, the related Prospectus
Supplement will describe the Mortgage Loans (including Additional Collateral
Loans) that may not be so treated. The REMIC Regulations do provide, however,
that payments on Mortgage Loans held pending distribution are considered part
of the Mortgage Loans for purposes of Sections 593(d) and 856(c)(5)(A) of the
Code.
 
 Tiered REMIC Structures
 
  For certain series of REMIC Certificates, two or more separate elections may
be made to treat designated portions of the related Trust Fund as REMICs
("TIERED REMICS") for federal income tax purposes. Upon the issuance of any
such series of REMIC Certificates, Thacher Proffitt & Wood or Orrick,
Herrington & Sutcliffe, counsel to the Company, will deliver their opinion
generally to the effect that, assuming compliance with all provisions of the
related Pooling and Servicing Agreement, the Tiered REMICs will each qualify
as a REMIC and the REMIC Certificates issued by the Tiered REMICs,
respectively, will be considered to evidence ownership of REMIC Regular
Certificates or REMIC Residual Certificates in the related REMIC within the
meaning of the REMIC Provisions.
 
  Solely for purposes of determining whether the REMIC Certificates will be
"qualifying real property loans" under Section 593(d) of the Code, "real
estate assets" within the meaning of Section 856(c)(5)(A) of the Code, and
"loans secured by an interest in real property" under Section 7701(a)(19)(C)
of the Code, and whether the income on such Certificates is interest described
in Section 856(c)(3)(B) of the Code, the Tiered REMICs will be treated as one
REMIC.
 
 Taxation of Owners of REMIC Regular Certificates
 
  General
 
  Except as otherwise stated in this discussion, REMIC Regular Certificates
will be treated for federal income tax purposes as debt instruments issued by
the REMIC and not as ownership interests in the REMIC or its assets. Moreover,
holders of REMIC Regular Certificates that otherwise report income under a
cash method of accounting will be required to report income with respect to
REMIC Regular Certificates under an accrual method.
 
  Original Issue Discount
 
  Certain REMIC Regular Certificates may be issued with "original issue
discount" within the meaning of Section 1273(a) of the Code. Any holders of
REMIC Regular Certificates issued with original issue discount generally will
be required to include original issue discount in income as it accrues, in
accordance with the method described below, in advance of the receipt of the
cash attributable to such income. In addition, Section 1272(a)(6) of the Code
provides special rules applicable to REMIC Regular Certificates and certain
other debt instruments issued with original issue discount. Regulations have
not been issued under that section.
 
  The Code requires that a prepayment assumption be used with respect to
Mortgage Loans held by a REMIC in computing the accrual of original issue
discount on REMIC Regular Certificates issued by that REMIC, and that
adjustments be made in the amount and rate of accrual of such discount to
reflect differences between the
 
                                      73
<PAGE>
 
actual prepayment rate and the prepayment assumption. The prepayment
assumption is to be determined in a manner prescribed in Treasury regulations;
as noted above, those regulations have not been issued. The Conference
Committee Report (the "COMMITTEE REPORT") accompanying the Tax Reform Act of
1986 indicates that the regulations will provide that the prepayment
assumption used with respect to a REMIC Regular Certificate must be the same
as that used in pricing the initial offering of such REMIC Regular
Certificate. The prepayment assumption used by the Master Servicer in
reporting original issue discount for each series of REMIC Regular
Certificates (the "PREPAYMENT ASSUMPTION") will be consistent with this
standard and will be disclosed in the related Prospectus Supplement. However,
neither the Company nor the Master Servicer will make any representation that
the Mortgage Loans will in fact prepay at a rate conforming to the Prepayment
Assumption or at any other rate.
 
  The original issue discount, if any, on a REMIC Regular Certificate will be
the excess of its stated redemption price at maturity over its issue price.
The issue price of a particular class of REMIC Regular Certificates will be
the first cash price at which a substantial amount of REMIC Regular
Certificates of that class is sold (excluding sales to bond houses, brokers
and underwriters). If less than a substantial amount of a particular class of
REMIC Regular Certificates is sold for cash on or prior to the date of their
initial issuance (the "CLOSING DATE"), the issue price for such class will be
treated as the fair market value of such class on the Closing Date. Under the
OID Regulations, the stated redemption price of a REMIC Regular Certificate is
equal to the total of all payments to be made on such Certificate other than
"qualified stated interest." "Qualified stated interest" includes interest
that is unconditionally payable at least annually at a single fixed rate, or
in the case of a variable rate debt instrument, at a "qualified floating
rate," an "objective rate," a combination of a single fixed rate and one or
more "qualified floating rates" or one "qualified inverse floating rate," or a
combination of "qualified floating rates" that generally does not operate in a
manner that accelerates or defers interest payments on such REMIC Regular
Certificate.
 
  In the case of REMIC Regular Certificates bearing adjustable interest rates,
the determination of the total amount of original issue discount and the
timing of the inclusion thereof will vary according to the characteristics of
such REMIC Regular Certificates. If the original issue discount rules apply to
such Certificates, the related Prospectus Supplement will describe the manner
in which such rules will be applied by the Master Servicer with respect to
those Certificates in preparing information returns to the Certificateholders
and the Internal Revenue Service ("IRS").
 
  Certain classes of the REMIC Regular Certificates may provide for the first
interest payment with respect to such Certificates to be made more than one
month after the date of issuance, a period which is longer than the subsequent
monthly intervals between interest payments. Assuming the "accrual period" (as
defined herein) for original issue discount is each monthly period that ends
on a Distribution Date, in some cases, as a consequence of this "long first
accrual period," some or all interest payments may be required to be included
in the stated redemption price of the REMIC Regular Certificate and accounted
for as original issue discount. Because interest on REMIC Regular Certificates
must in any event be accounted for under an accrual method, applying this
analysis would result in only a slight difference in the timing of the
inclusion in income of the yield on the REMIC Regular Certificates.
 
  In addition, if the accrued interest to be paid on the first Distribution
Date is computed with respect to a period that begins prior to the Closing
Date, a portion of the purchase price paid for a REMIC Regular Certificate
will reflect such accrued interest. In such cases, information returns to the
Certificateholders and the IRS will be based on the position that the portion
of the purchase price paid for the interest accrued with respect to periods
prior to the Closing Date is treated as part of the overall cost of such REMIC
Regular Certificate (and not as a separate asset the cost of which is
recovered entirely out of interest received on the next Distribution Date) and
that portion of the interest paid on the first Distribution Date in excess of
interest accrued for a number of days corresponding to the number of days from
the Closing Date to the first Distribution Date should be included in the
stated redemption price of such REMIC Regular Certificate. However, the OID
Regulations state that all or some portion of such accrued interest may be
treated as a separate asset the cost of which is recovered entirely
 
                                      74
<PAGE>
 
out of interest paid on the first Distribution Date. It is unclear how an
election to do so would be made under the OID Regulations and whether such an
election could be made unilaterally by a Certificateholder.
 
  Notwithstanding the general definition of original issue discount, original
issue discount on a REMIC Regular Certificate will be considered to be de
minimis if it is less than 0.25% of the stated redemption price of the REMIC
Regular Certificate multiplied by its weighted average maturity. For this
purpose, the weighted average maturity of the REMIC Regular Certificate is
computed as the sum of the amounts determined, as to each payment included in
the stated redemption price of such REMIC Regular Certificate, by multiplying
(i) the number of complete years (rounding down for partial years) from the
issue date until such payment is expected to be made (presumably taking into
account the Prepayment Assumption) by (ii) a fraction, the numerator of which
is the amount of the payment, and the denominator of which is the stated
redemption price at maturity of such REMIC Regular Certificate. Under the OID
Regulations, original issue discount of only a de minimis amount (other than
de minimis original issue discount attributable to a so-called "teaser"
interest rate or an initial interest holiday) will be included in income as
each payment of stated principal is made, based on the product of the total
amount of such de minimis original issue discount and a fraction, the
numerator of which is the amount of such principal payment and the denominator
of which is the outstanding stated principal amount of the REMIC Regular
Certificate. The OID Regulations also would permit a Certificateholder to
elect to accrue de minimis original issue discount into income currently based
on a constant yield method. See "--Market Discount" for a description of such
election under the OID Regulations.
 
  If original issue discount on a REMIC Regular Certificate is in excess of a
de minimis amount, the holder of such Certificate must include in ordinary
gross income the sum of the "daily portions" of original issue discount for
each day during its taxable year on which it held such REMIC Regular
Certificate, including the purchase date but excluding the disposition date.
In the case of an original holder of a REMIC Regular Certificate, the daily
portions of original issue discount will be determined as follows.
 
  As to each "accrual period," that is, unless otherwise stated in the related
Prospectus Supplement, each period that ends on a date that corresponds to a
Distribution Date and begins on the first day following the immediately
preceding accrual period (or in the case of the first such period, begins on
the Closing Date), a calculation will be made of the portion of the original
issue discount that accrued during such accrual period. The portion of
original issue discount that accrues in any accrual period will equal the
excess, if any, of (i) the sum of (A) the present value, as of the end of the
accrual period, of all of the distributions remaining to be made on the REMIC
Regular Certificate, if any, in future periods and (B) the distributions made
on such REMIC Regular Certificate during the accrual period of amounts
included in the stated redemption price, over (ii) the adjusted issue price of
such REMIC Regular Certificate at the beginning of the accrual period. The
present value of the remaining distributions referred to in the preceding
sentence will be calculated (1) assuming that distributions on the REMIC
Regular Certificate will be received in future periods based on the Mortgage
Loans being prepaid at a rate equal to the Prepayment Assumption and (2) using
a discount rate equal to the original yield to maturity of the Certificate.
For these purposes, the original yield to maturity of the Certificate will be
calculated based on its issue price and assuming that distributions on the
Certificate will be made in all accrual periods based on the Mortgage Loans
being prepaid at a rate equal to the Prepayment Assumption. The adjusted issue
price of a REMIC Regular Certificate at the beginning of any accrual period
will equal the issue price of such Certificate, increased by the aggregate
amount of original issue discount that accrued with respect to such
Certificate in prior accrual periods, and reduced by the amount of any
distributions made on such REMIC Regular Certificate in prior accrual periods
of amounts included in its stated redemption price. The original issue
discount accruing during any accrual period, computed as described above, will
be allocated ratably to each day during the accrual period to determine the
daily portion of original issue discount for such day.
 
  The OID Regulations suggest that original issue discount with respect to
securities that represent multiple uncertificated REMIC regular interests, in
which ownership interests will be issued simultaneously to the same buyer and
which may be required under the related Pooling and Servicing Agreement to be
transferred together, should be computed on an aggregate method. In the
absence of further guidance from the IRS, original issue discount with respect
to securities that represent the ownership of multiple uncertificated REMIC
regular interests
 
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<PAGE>
 
will be reported to the IRS and the Certificateholders on an aggregate method
based on a single overall constant yield and the prepayment assumption stated
in the related Prospectus Supplement, treating all such uncertificated regular
interests as a single debt instrument as set forth in the OID Regulations, so
long as the Pooling and Servicing Agreement requires that such uncertificated
regular interests be transferred together.
 
  A subsequent purchaser of a REMIC Regular Certificate that purchases such
Certificate at a cost (excluding any portion of such cost attributable to
accrued qualified stated interest) less than its remaining stated redemption
price will also be required to include in gross income the daily portions of
any original issue discount with respect to such Certificate. However, each
such daily portion will be reduced, if such cost is in excess of its "adjusted
issue price," in proportion to the ratio such excess bears to the aggregate
original issue discount remaining to be accrued on such REMIC Regular
Certificate. The adjusted issue price of a REMIC Regular Certificate on any
given day equals the sum of (i) the adjusted issue price (or, in the case of
the first accrual period, the issue price) of such Certificate at the
beginning of the accrual period which includes such day and (ii) the daily
portions of original issue discount for all days during such accrual period
prior to such day.
 
  Market Discount
 
  A Certificateholder that purchases a REMIC Regular Certificate at a market
discount, that is, in the case of a REMIC Regular Certificate issued without
original issue discount, at a purchase price less than its remaining stated
principal amount, or in the case of a REMIC Regular Certificate issued with
original issue discount, at a purchase price less than its adjusted issue
price will recognize income upon receipt of each distribution representing
stated redemption price. In particular, under Section 1276 of the Code such a
Certificateholder generally will be required to allocate the portion of each
such distribution representing stated redemption price first to accrued market
discount not previously included in income, and to recognize ordinary income
to that extent. A Certificateholder may elect to include market discount in
income currently as it accrues rather than including it on a deferred basis in
accordance with the foregoing. If made, such election will apply to all market
discount bonds acquired by such Certificateholder on or after the first day of
the first taxable year to which such election applies. In addition, the OID
Regulations permit a Certificateholder to elect to accrue all interest,
discount (including de minimis market or original issue discount) and premium
in income as interest, based on a constant yield method. If such an election
were made with respect to a REMIC Regular Certificate with market discount,
the Certificateholder would be deemed to have made an election to include
currently market discount in income with respect to all other debt instruments
having market discount that such Certificateholder acquires during the taxable
year of the election or thereafter, and possibly previously acquired
instruments. Similarly, a Certificateholder that made this election for a
Certificate that is acquired at a premium would be deemed to have made an
election to amortize bond premium with respect to all debt instruments having
amortizable bond premium that such Certificateholder owns or acquires. See "--
Premium." Each of these elections to accrue interest, discount and premium
with respect to a Certificate on a constant yield method or as interest would
be irrevocable.
 
  However, market discount with respect to a REMIC Regular Certificate will be
considered to be de minimis for purposes of Section 1276 of the Code if such
market discount is less than 0.25% of the remaining stated redemption price of
such REMIC Regular Certificate multiplied by the number of complete years to
maturity remaining after the date of its purchase. In interpreting a similar
rule with respect to original issue discount on obligations payable in
installments, the OID Regulations refer to the weighted average maturity of
obligations, and it is likely that the same rule will be applied with respect
to market discount, presumably taking into account the Prepayment Assumption.
If market discount is treated as de minimis under this rule, it appears that
the actual discount would be treated in a manner similar to original issue
discount of a de minimis amount. See "--Original Issue Discount." Such
treatment would result in discount being included in income at a slower rate
than discount would be required to be included in income using the method
described above.
 
  Section 1276(b)(3) of the Code specifically authorizes the Treasury
Department to issue regulations providing for the method for accruing market
discount on debt instruments, the principal of which is payable in more than
one installment. Until regulations are issued by the Treasury Department,
certain rules described in
 
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<PAGE>
 
the Committee Report apply. The Committee Report indicates that in each
accrual period market discount on REMIC Regular Certificates should accrue, at
the Certificateholder's option: (i) on the basis of a constant yield method,
(ii) in the case of a REMIC Regular Certificate issued without original issue
discount, in an amount that bears the same ratio to the total remaining market
discount as the stated interest paid in the accrual period bears to the total
amount of stated interest remaining to be paid on the REMIC Regular
Certificate as of the beginning of the accrual period, or (iii) in the case of
a REMIC Regular Certificate issued with original issue discount, in an amount
that bears the same ratio to the total remaining market discount as the
original issue discount accrued in the accrual period bears to the total
original issue discount remaining on the REMIC Regular Certificate at the
beginning of the accrual period. Moreover, the Prepayment Assumption used in
calculating the accrual of original issue discount is to be used in
calculating the accrual of market discount. Because the regulations referred
to in this paragraph have not been issued, it is not possible to predict what
effect such regulations might have on the tax treatment of a REMIC Regular
Certificate purchased at a discount in the secondary market.
 
  To the extent that REMIC Regular Certificates provide for monthly or other
periodic distributions throughout their term, the effect of these rules may be
to require market discount to be includible in income at a rate that is not
significantly slower than the rate at which such discount would accrue if it
were original issue discount. Moreover, in any event a holder of a REMIC
Regular Certificate generally will be required to treat a portion of any gain
on the sale or exchange of such Certificate as ordinary income to the extent
of the market discount accrued to the date of disposition under one of the
foregoing methods, less any accrued market discount previously reported as
ordinary income.
 
  In addition, under Section 1277 of the Code, a holder of a REMIC Regular
Certificate may be required to defer a portion of its interest deductions for
the taxable year attributable to any indebtedness incurred or continued to
purchase or carry a REMIC Regular Certificate purchased with market discount.
For these purposes, the de minimis rule referred to above applies. Any such
deferred interest expense would not exceed the market discount that accrues
during such taxable year and is, in general, allowed as a deduction not later
than the year in which such market discount is includible in income. If such
holder elects to include market discount in income currently as it accrues on
all market discount instruments acquired by such holder in that taxable year
or thereafter, the interest deferral rule described above will not apply.
 
  Premium
 
  A REMIC Regular Certificate purchased at a cost (excluding any portion of
such cost attributable to accrued qualified stated interest) greater than its
remaining stated redemption price will be considered to be purchased at a
premium. The holder of such a REMIC Regular Certificate may elect under
Section 171 of the Code to amortize such premium under the constant yield
method over the life of the Certificate. If made, such an election will apply
to all debt instruments having amortizable bond premium that the holder owns
or subsequently acquires. Amortizable premium will be treated as an offset to
interest income on the related REMIC Regular Certificate, rather than as a
separate interest deduction. The OID Regulations also permit
Certificateholders to elect to include all interest, discount and premium in
income based on a constant yield method, further treating the
Certificateholder as having made the election to amortize premium generally.
See "--Market Discount." The Committee Report states that the same rules that
apply to accrual of market discount (which rules will require use of a
Prepayment Assumption in accruing market discount with respect to REMIC
Regular Certificates without regard to whether such Certificates have original
issue discount) will also apply in amortizing bond premium under Section 171
of the Code.
 
  Realized Losses
 
  Under Section 166 of the Code, both corporate holders of the REMIC Regular
Certificates and noncorporate holders of the REMIC Regular Certificates that
acquire such Certificates in connection with a trade or business should be
allowed to deduct, as ordinary losses, any losses sustained during a taxable
year in which their Certificates become wholly or partially worthless as the
result of one or more Realized Losses on the Mortgage Loans. However, it
appears that a noncorporate holder that does not acquire a REMIC Regular
Certificate in
 
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<PAGE>
 
connection with a trade or business will not be entitled to deduct a loss
under Section 166 of the Code until such holder's Certificate becomes wholly
worthless (i.e., until its outstanding principal balance has been reduced to
zero) and that the loss will be characterized as a short-term capital loss.
 
  Each holder of a REMIC Regular Certificate will be required to accrue
interest and original issue discount with respect to such Certificate, without
giving effect to any reductions in distributions attributable to defaults or
delinquencies on the Mortgage Loans or the Underlying Certificates until it
can be established that any such reduction ultimately will not be recoverable.
As a result, the amount of taxable income reported in any period by the holder
of a REMIC Regular Certificate could exceed the amount of economic income
actually realized by the holder in such period. Although the holder of a REMIC
Regular Certificate eventually will recognize a loss or reduction in income
attributable to previously accrued and included income that, as the result of
a realized loss, ultimately will not be realized, the law is unclear with
respect to the timing and character of such loss or reduction in income.
 
 Taxation of Owners of REMIC Residual Certificates
 
  General
 
  As residual interests, the REMIC Residual Certificates will be subject to
tax rules that differ significantly from those that would apply if the REMIC
Residual Certificates were treated for federal income tax purposes as direct
ownership interests in the Mortgage Loans or as debt instruments issued by the
REMIC.
 
  A holder of a REMIC Residual Certificate generally will be required to
report its daily portion of the taxable income or, subject to the limitations
noted in this discussion, the net loss of the REMIC for each day during a
calendar quarter that such holder owned such REMIC Residual Certificate. For
this purpose, the taxable income or net loss of the REMIC will be allocated to
each day in the calendar quarter ratably using a "30 days per month/90 days
per quarter/360 days per year" convention unless otherwise disclosed in the
related Prospectus Supplement. The daily amounts will then be allocated among
the REMIC Residual Certificateholders in proportion to their respective
ownership interests on such day. Any amount included in the gross income or
allowed as a loss of any REMIC Residual Certificateholder by virtue of this
allocation will be treated as ordinary income or loss. The taxable income of
the REMIC will be determined under the rules described below in "--Taxable
Income of the REMIC" and will be taxable to the REMIC Residual
Certificateholders without regard to the timing or amount of cash
distributions by the REMIC. Ordinary income derived from REMIC Residual
Certificates will be "portfolio income" for purposes of the taxation of
taxpayers subject to limitations under Section 469 of the Code on the
deductibility of "passive losses."
 
  A holder of a REMIC Residual Certificate that purchased such Certificate
from a prior holder of such Certificate also will be required to report on its
federal income tax return amounts representing its daily portion of the
taxable income (or net loss) of the REMIC for each day that it holds such
REMIC Residual Certificate. These daily portions generally will equal the
amounts of taxable income or net loss determined as described above. The
Committee Report indicates that certain modifications of the general rules may
be made, by regulations, legislation or otherwise, to reduce (or increase) the
income or loss of a REMIC Residual Certificateholder that purchased such REMIC
Residual Certificate from a prior holder of such Certificate at a price
greater than (or less than) the adjusted basis (as defined herein) such REMIC
Residual Certificate would have had in the hands of an original holder of such
Certificate. The REMIC Regulations, however, do not provide for any such
modifications.
 
  Any payments received by a REMIC Residual Certificateholder in connection
with the acquisition of such REMIC Residual Certificate will be taken into
account in determining the income of such holder for federal income tax
purposes. Although it appears likely that any such payment would be includible
in income immediately upon its receipt, the IRS might assert that such payment
should be included in income over time according to an amortization schedule
or according to some other method. Because of the uncertainty concerning
 
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<PAGE>
 
the treatment of such payments, holders of REMIC Residual Certificates should
consult their tax advisors concerning the treatment of such payments for
income tax purposes.
 
  The amount of income REMIC Residual Certificateholders will be required to
report (or the tax liability associated with such income) may exceed the
amount of cash distributions received from the REMIC for the corresponding
period. Consequently, REMIC Residual Certificateholders should have other
sources of funds sufficient to pay any federal income taxes due as a result of
their ownership of REMIC Residual Certificates or unrelated deductions against
which income may be offset, subject to the rules relating to "excess
inclusions," residual interests without "significant value" and "noneconomic"
residual interests discussed below. The fact that the tax liability associated
with the income allocated to REMIC Residual Certificateholders may exceed the
cash distributions received by such REMIC Residual Certificateholders for the
corresponding period may significantly adversely affect such REMIC Residual
Certificateholders after-tax rate of return.
 
  Taxable Income of the REMIC
 
  The taxable income of the REMIC will equal the income from the Mortgage
Loans and other assets of the REMIC plus any cancellation of indebtedness
income due to the allocation of realized losses to REMIC Regular Certificates,
less the deductions allowed to the REMIC for interest (including original
issue discount and reduced by the amortization of any premium received on
issuance) on the REMIC Regular Certificates (and any other class of REMIC
Certificates constituting "regular interests" in the REMIC not offered
hereby), amortization of any premium on the Mortgage Loans, bad debt
deductions with respect to the Mortgage Loans and, except as described below,
for servicing, administrative and other expenses.
 
  For purposes of determining its taxable income, the REMIC will have an
initial aggregate basis in its assets equal to their fair market value
immediately after their transfer to the REMIC. For this purpose, the Master
Servicer intends to treat the fair market value of the Mortgage Loans as being
equal to the aggregate issue prices of the REMIC Regular Certificates and
REMIC Residual Certificates. Such aggregate basis will be allocated among the
Mortgage Loans collectively and the other assets of the REMIC in proportion to
their respective fair market values. The issue price of any REMIC Certificates
offered hereby will be determined in the manner described above under "--
Taxation of Owners of REMIC Regular Certificates--Original Issue Discount."
Accordingly, if one or more classes of REMIC Certificates are retained
initially rather than sold, the Master Servicer may be required to estimate
the fair market value of such interests in order to determine the basis of the
REMIC in the Mortgage Loans and other property held by the REMIC.
 
  Subject to the possible application of the de minimis rules, the method of
accrual by the REMIC of original issue discount income and market discount
income with respect to Mortgage Loans that it holds will be equivalent to the
method of accruing original issue discount income for REMIC Regular
Certificateholders (that is, under the constant yield method taking into
account the Prepayment Assumption). However, a REMIC that acquires loans at a
market discount must include such discount in income currently, as it accrues,
on a constant interest basis. See "--Taxation of Owners of REMIC Regular
Certificates" above, which describes a method of accruing discount income that
is analogous to that required to be used by a REMIC as to Mortgage Loans with
market discount that it holds.
 
  A Mortgage Loan will be deemed to have been acquired with discount (or
premium) to the extent that the REMIC's basis therein, determined as described
in the preceding paragraph, is less than (or greater than) its stated
redemption price. Any such discount will be includible in the income of the
REMIC as it accrues, in advance of receipt of the cash attributable to such
income, under a method similar to the method described above for accruing
original issue discount on the REMIC Regular Certificates. It is anticipated
that each REMIC will elect under Section 171 of the Code to amortize any
premium on the Mortgage Loans. Premium on any Mortgage Loan to which such
election applies may be amortized under a constant yield method, presumably
taking into account a Prepayment Assumption.
 
 
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<PAGE>
 
  The REMIC will be allowed deductions for interest (including original issue
discount) on the REMIC Regular Certificates (including any other class of
REMIC Certificates constituting "regular interests" in the REMIC not offered
hereby) equal to the deductions that would be allowed if the REMIC Regular
Certificates (including any other class of REMIC Certificates constituting
"regular interests" in the REMIC not offered hereby) were indebtedness of the
REMIC. Original issue discount will be considered to accrue for this purpose
as described above under "--Taxation of Owners of REMIC Regular Certificates--
Original Issue Discount," except that the de minimis rule and the adjustments
for subsequent holders of REMIC Regular Certificates (including any other
class of Certificates constituting "regular interests" in the REMIC not
offered hereby) described therein will not apply.
 
  If a class of REMIC Regular Certificates is issued at a price in excess of
the stated redemption price of such class (such excess, "ISSUE PREMIUM"), the
net amount of interest deductions that are allowed the REMIC in each taxable
year with respect to the REMIC Regular Certificates of such class will be
reduced by an amount equal to the portion of the Issue Premium that is
considered to be amortized or repaid in that year. Although the matter is not
entirely certain, it is likely that Issue Premium would be amortized under a
constant yield method in a manner analogous to the method of accruing original
issue discount described above under "--Taxation of Owners of REMIC Regular
Certificates--Original Issue Discount."
 
  As a general rule, the taxable income of the REMIC will be determined in the
same manner as if the REMIC were an individual having the calendar year as its
taxable year and using the accrual method of accounting. However, no item of
income, gain, loss or deduction allocable to a prohibited transaction will be
taken into account. See "--Prohibited Transactions and Other Possible REMIC
Taxes" below. Further, the limitation on miscellaneous itemized deductions
imposed on individuals by Section 67 of the Code (which allows such deductions
only to the extent they exceed in the aggregate two percent of the taxpayer's
adjusted gross income) will not be applied at the REMIC level so that the
REMIC will be allowed deductions for servicing, administrative and other non-
interest expenses in determining its taxable income. All such expenses will be
allocated as a separate item to the holders of REMIC Certificates, subject to
the limitation of Section 67 of the Code. See "--Possible Pass-Through of
Miscellaneous Itemized Deductions." If the deductions allowed to the REMIC
exceed its gross income for a calendar quarter, such excess will be the net
loss for the REMIC for that calendar quarter.
 
  Basis Rules, Net Losses and Distributions
 
  The adjusted basis of a REMIC Residual Certificate will be equal to the
amount paid for such REMIC Residual Certificate, increased by amounts included
in the income of the related Certificateholder and decreased (but not below
zero) by distributions made, and by net losses allocated, to such related
Certificateholder.
 
  A REMIC Residual Certificateholder is not allowed to take into account any
net loss for any calendar quarter to the extent such net loss exceeds such
REMIC Residual Certificateholder's adjusted basis in its REMIC Residual
Certificate as of the close of such calendar quarter (determined without
regard to such net loss). Any loss that is not currently deductible by reason
of this limitation may be carried forward indefinitely to future calendar
quarters and, subject to the same limitation, may be used only to offset
income from the REMIC Residual Certificate. The ability of REMIC Residual
Certificateholders to deduct net losses may be subject to additional
limitations under the Code, as to which such Certificateholders should consult
their tax advisors.
 
  Any distribution on a REMIC Residual Certificate will be treated as a non-
taxable return of capital to the extent it does not exceed the holder's
adjusted basis in such REMIC Residual Certificate. To the extent a
distribution on a REMIC Residual Certificate exceeds such adjusted basis, it
will be treated as gain from the sale of such REMIC Residual Certificate.
Holders of certain REMIC Residual Certificates may be entitled to
distributions early in the term of the related REMIC under circumstances in
which their bases in such REMIC Residual Certificates will not be sufficiently
large that such distributions will be treated as nontaxable returns of
capital. Their bases in such REMIC Residual Certificates will initially equal
the amount paid for such REMIC Residual Certificates and will be increased by
their allocable shares of taxable income of the Trust Fund.
 
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<PAGE>
 
However, such basis increases may not occur until the end of the calendar
quarter, or perhaps the end of the calendar year, with respect to which such
REMIC taxable income is allocated to the REMIC Residual Certificateholders. To
the extent such REMIC Residual Certificateholders initial bases are less than
the distributions to such REMIC Residual Certificateholders, and increases in
such initial bases either occur after such distributions or (together with
their initial bases) are less than the amount of such distributions, gain will
be recognized to such REMIC Residual Certificateholders on such distributions
and will be treated as gain from the sale of their REMIC Residual
Certificates.
 
  The effect of these rules is that a Certificateholder may not amortize its
basis in a REMIC Residual Certificate, but may only recover its basis through
distributions, through the deduction of its share of any net losses of the
REMIC or upon the sale of its REMIC Residual Certificate. See "--Sales of
REMIC Certificates." For a discussion of possible modifications of these rules
that may require adjustments to income of a holder of a REMIC Residual
Certificate other than an original holder in order to reflect any difference
between the cost of such REMIC Residual Certificate to such holder and the
adjusted basis such REMIC Residual Certificate would have had in the hands of
the original holder, see "--General."
 
  Excess Inclusions
 
  Any "excess inclusions" with respect to a REMIC Residual Certificate will,
with an exception discussed below for certain REMIC Residual Certificates held
by thrift institutions, be subject to federal income tax in all events.
 
  In general, the "excess inclusions" with respect to a REMIC Residual
Certificate for any calendar quarter will be the excess, if any, of (i) the
sum of the daily portions of REMIC taxable income allocable to such REMIC
Residual Certificate over (ii) the sum of the "daily accruals" (as defined
herein) for each day during such quarter that such REMIC Residual Certificate
was held by such REMIC Residual Certificateholder. The daily accruals of a
REMIC Residual Certificateholder will be determined by allocating to each day
during a calendar quarter its ratable portion of the product of the "adjusted
issue price" of the REMIC Residual Certificate at the beginning of the
calendar quarter and 120% of the "long-term Federal rate" in effect on the
Closing Date. For this purpose, the adjusted issue price of a REMIC Residual
Certificate as of the beginning of any calendar quarter will be equal to the
issue price of the REMIC Residual Certificate, increased by the sum of the
daily accruals for all prior quarters and decreased (but not below zero) by
any distributions made with respect to such REMIC Residual Certificate before
the beginning of such quarter. The issue price of a REMIC Residual Certificate
is the initial offering price to the public (excluding bond houses and
brokers) at which a substantial amount of the REMIC Residual Certificates were
sold. The "long-term Federal rate" is an average of current yields on Treasury
securities with a remaining term of greater than nine years, computed and
published monthly by the IRS.
 
  For REMIC Residual Certificateholders, an excess inclusion (i) will not be
permitted to be offset by deductions, losses or loss carryovers from other
activities, (ii) will be treated as "unrelated business taxable income" to an
otherwise tax-exempt organization and (iii) will not be eligible for any rate
reduction or exemption under any applicable tax treaty with respect to the 30%
United States withholding tax imposed on distributions to REMIC Residual
Certificateholders that are foreign investors. See, however, "--Foreign
Investors in REMIC Certificates."
 
  As an exception to the general rules described above, thrift institutions
are allowed to offset their excess inclusions with unrelated deductions,
losses or loss carryovers, but only if the REMIC Residual Certificates are
considered to have "significant value." The REMIC Regulations provide that in
order to be treated as having significant value, the REMIC Residual
Certificates must have an aggregate issue price at least equal to two percent
of the aggregate issue prices of all of the related REMIC's Regular and
Residual Certificates. In addition, based on the Prepayment Assumption, the
anticipated weighted average life of the REMIC Residual Certificates must
equal or exceed 20% of the anticipated weighted average life of the REMIC and
on any required or permitted clean up calls or required qualified liquidation
provided for in the REMIC's organizational documents.
 
                                      81
<PAGE>
 
Although it has not done so, the Treasury also has authority to issue
regulations that would treat the entire amount of income accruing on a REMIC
Residual Certificate as an excess inclusion if the REMIC Residual Certificates
are considered not to have "significant value." The related Prospectus
Supplement will disclose whether offered REMIC Residual Certificates may be
considered to have "significant value" under the REMIC Regulations; except
that any disclosure that a REMIC Residual Certificate will have "significant
value" will be based upon certain assumptions, and the Company will make no
representation that a REMIC Residual Certificate will have "significant value"
for purposes of the above-described rules. The above-described exception for
thrift institutions applies only to those residual interests held directly by,
and deductions, losses and loss carryovers incurred by, such institutions (and
not by other members of an affiliated group of corporations filing a
consolidated income tax return) or by certain wholly-owned direct subsidiaries
of such institutions formed or operated exclusively in connection with the
organization and operation of one or more REMICs.
 
  In the case of any REMIC Residual Certificates held by a real estate
investment trust, the aggregate excess inclusions with respect to such REMIC
Residual Certificates, reduced (but not below zero) by the real estate
investment trust taxable income (within the meaning of Section 857(b)(2) of
the Code, excluding any net capital gain), will be allocated among the
shareholders of such trust in proportion to the dividends received by such
shareholders from such trust, and any amount so allocated will be treated as
an excess inclusion with respect to a REMIC Residual Certificate as if held
directly by such shareholder. Treasury regulations yet to be issued could
apply a similar rule to regulated investment companies, common trust funds and
certain cooperatives; the REMIC Regulations currently do not address this
subject.
 
  Noneconomic REMIC Residual Certificates
 
  Under the REMIC Regulations, transfers of "noneconomic" REMIC Residual
Certificates will be disregarded for all federal income tax purposes if "a
significant purpose of the transfer was to enable the transferor to impede the
assessment or collection of tax." If such transfer is disregarded, the
purported transferor will continue to remain liable for any taxes due with
respect to the income on such "noneconomic" REMIC Residual Certificate. The
REMIC Regulations provide that a REMIC Residual Certificate is noneconomic
unless, based on the Prepayment Assumption and on any required or permitted
clean up calls, or required qualified liquidation provided for in the REMIC's
organizational documents, (1) the present value of the expected future
distributions (discounted using the "applicable Federal rate" for obligations
whose term ends on the close of the last quarter in which excess inclusions
are expected to accrue with respect to the REMIC Residual Certificate, which
rate is computed and published monthly by the IRS) on the REMIC Residual
Certificate equals at least the present value of the expected tax on the
anticipated excess inclusions, and (2) the transferor reasonably expects that
the transferee will receive distributions with respect to the REMIC Residual
Certificate at or after the time the taxes accrue on the anticipated excess
inclusions in an amount sufficient to satisfy the accrued taxes. Accordingly,
all transfers of REMIC Residual Certificates that may constitute noneconomic
residual interests will be subject to certain restrictions under the terms of
the related Pooling and Servicing Agreement that are intended to reduce the
possibility of any such transfer being disregarded. Such restrictions will
require each party to a transfer to provide an affidavit that no purpose of
such transfer is to impede the assessment or collection of tax, including
certain representations as to the financial condition of the prospective
transferee, as to which the transferor also is required to make a reasonable
investigation to determine such transferee's historic payment of its debts and
ability to continue to pay its debts as they come due in the future. Prior to
purchasing a REMIC Residual Certificate, prospective purchasers should
consider the possibility that a purported transfer of such REMIC Residual
Certificate by such a purchaser to another purchaser at some future date may
be disregarded in accordance with the above-described rules which would result
in the retention of tax liability by such purchaser.
 
  The related Prospectus Supplement will disclose whether offered REMIC
Residual Certificates may be considered "noneconomic" residual interests under
the REMIC Regulations. Any such disclosure that a REMIC Residual Certificate
will not be considered "noneconomic" will be based upon certain assumptions,
and the Company will make no representation that a REMIC Residual Certificate
will not be considered "noneconomic" for purposes of the above-described
rules. See "--Foreign Investors in REMIC Certificates" for additional
restrictions applicable to transfers of certain REMIC Residual Certificates to
foreign persons.
 
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<PAGE>
 
  Mark-to-Market Rules
 
  On December 28, 1993, the IRS released temporary regulations (the "MARK-TO-
MARKET REGULATIONS") relating to the requirement that a securities dealer mark
to market securities held for sale to customers. This mark-to-market
requirement applies to all securities owned by a dealer, except to the extent
that the dealer has specifically identified a security as held for investment.
The Mark-to-Market Regulations provide that for purposes of this mark-to-
market requirement, a "negative value" REMIC Residual Certificate is not
treated as a security and thus generally may not be marked to market. This
exclusion from the mark-to-market requirement is expanded to include all REMIC
Residual Certificates under proposed Treasury regulations published January 4,
1995 which provide that any REMIC Residual Certificate issued after January 4,
1995 will not be treated as a security and therefore generally may not be
marked to market. Prospective purchasers of a REMIC Residual Certificate
should consult their tax advisors regarding the possible application of the
mark-to-market requirement to REMIC Residual Certificates.
 
  Possible Pass-Through of Miscellaneous Itemized Deductions
 
  Fees and expenses of a REMIC generally will be allocated to the holders of
the related REMIC Residual Certificates. The applicable Treasury regulations
indicate, however, that in the case of a REMIC that is similar to a single
class grantor trust, all or a portion of such fees and expenses should be
allocated to the holders of the related REMIC Regular Certificates. Unless
otherwise stated in the related Prospectus Supplement, such fees and expenses
will be allocated to holders of the related REMIC Residual Certificates in
their entirety and not to the holders of the related REMIC Regular
Certificates.
 
  With respect to REMIC Residual Certificates or REMIC Regular Certificates
the holders of which receive an allocation of fees and expenses in accordance
with the preceding discussion, if any holder thereof is an individual, estate
or trust, or a "pass-through entity" beneficially owned by one or more
individuals, estates or trusts, (i) an amount equal to such individual's,
estate's or trust's share of such fees and expenses will be added to the gross
income of such holder and (ii) such individual's, estate's or trust's share of
such fees and expenses will be treated as a miscellaneous itemized deduction
allowable subject to the limitation of Section 67 of the Code, which permits
such deductions only to the extent they exceed in the aggregate two percent of
a taxpayer's adjusted gross income. In addition, Section 68 of the Code
provides that the amount of itemized deductions otherwise allowable for an
individual whose adjusted gross income exceeds a specified amount will be
reduced by the lesser of (i) 3% of the excess of the individual's adjusted
gross income over such amount or (ii) 80% of the amount of itemized deductions
otherwise allowable for the taxable year. The amount of additional taxable
income reportable by REMIC Certificateholders that are subject to the
limitations of either Section 67 or Section 68 of the Code may be substantial.
Furthermore, in determining the alternative minimum taxable income of such a
holder of a REMIC Certificate that is an individual, estate or trust, or a
"pass-through entity" beneficially owned by one or more individuals, estates
or trusts, no deduction will be allowed for such holder's allocable portion of
servicing fees and other miscellaneous itemized deductions of the REMIC, even
though an amount equal to the amount of such fees and other deductions will be
included in such holder's gross income. Accordingly, such REMIC Certificates
may not be appropriate investments for individuals, estates, or trusts, or
pass-through entities beneficially owned by one or more individuals, estates
or trusts. Such prospective investors should consult with their tax advisors
prior to making an investment in such Certificates.
 
  Tax and Restrictions on Transfers of REMIC Residual Certificates to Certain
Organizations
 
  If a REMIC Residual Certificate is transferred to a "disqualified
organization" (as defined below), a tax would be imposed in an amount
(determined under the REMIC Regulations) equal to the product of (i) the
present value (discounted using the "applicable Federal rate" for obligations
whose term ends on the close of the last quarter in which excess inclusions
are expected to accrue with respect to the Certificate, which rate is computed
and published monthly by the IRS) of the total anticipated excess inclusions
with respect to such REMIC Residual Certificate for periods after the transfer
and (ii) the highest marginal federal income tax rate applicable to
corporations. The anticipated excess inclusions must be determined as of the
date that the REMIC
 
                                      83
<PAGE>
 
Residual Certificate is transferred and must be based on events that have
occurred up to the time of such transfer, the Prepayment Assumption and any
required or permitted clean up calls or required liquidation provided for in
the REMIC's organizational documents. Such a tax generally would be imposed on
the transferor of the REMIC Residual Certificate, except that where such
transfer is through an agent for a disqualified organization, the tax would
instead be imposed on such agent. However, a transferor of a REMIC Residual
Certificate would in no event be liable for such tax with respect to a
transfer if the transferee furnishes to the transferor an affidavit that the
transferee is not a disqualified organization and, as of the time of the
transfer, the transferor does not have actual knowledge that such affidavit is
false. Moreover, an entity will not qualify as a REMIC unless there are
reasonable arrangements designed to ensure that (i) residual interests in such
entity are not held by disqualified organizations and (ii) information
necessary for the application of the tax described herein will be made
available. Restrictions on the transfer of REMIC Residual Certificates and
certain other provisions that are intended to meet this requirement will be
included in the Pooling and Servicing Agreement, including provisions (a)
requiring any transferee of a REMIC Residual Certificate to provide an
affidavit representing that it is not a "disqualified organization" and is not
acquiring the REMIC Residual Certificate on behalf of a "disqualified
organization," undertaking to maintain such status and agreeing to obtain a
similar affidavit from any person to whom it shall transfer the REMIC Residual
Certificate, (b) providing that any transfer of a REMIC Residual Certificate
to a "disqualified person" shall be null and void and (c) granting to the
Master Servicer the right, without notice to the holder or any prior holder,
to sell to a purchaser of its choice any REMIC Residual Certificate that shall
become owned by a "disqualified organization" despite (a) and (b) above.
 
  In addition, if a "pass-through entity" (as defined below) includes in
income excess inclusions with respect to a REMIC Residual Certificate, and a
disqualified organization is the record holder of an interest in such entity,
then a tax will be imposed on such entity equal to the product of (i) the
amount of excess inclusions on the REMIC Residual Certificate that are
allocable to the interest in the pass-through entity held by such disqualified
organization and (ii) the highest marginal federal income tax rate imposed on
corporations. A pass-through entity will not be subject to this tax for any
period, however, if each record holder of an interest in such pass-through
entity furnishes to such pass-through entity (i) such holder's social security
number and a statement under penalties of perjury that such social security
number is that of the record holder or (ii) a statement under penalties of
perjury that such record holder is not a disqualified organization.
 
  For these purposes, a "disqualified organization" means (i) the United
States, any State or political subdivision thereof, any foreign government,
any international organization, or any agency or instrumentality of the
foregoing (but would not include instrumentalities described in Section
168(h)(2)(D) of the Code or Freddie Mac), (ii) any organization (other than a
cooperative described in Section 521 of the Code) that is exempt from federal
income tax, unless it is subject to the tax imposed by Section 511 of the Code
or (iii) any organization described in Section 1381(a)(2)(C) of the Code. For
these purposes, a "pass-through entity" means any regulated investment
company, real estate investment trust, trust, partnership or certain other
entities described in Section 860E(e)(6) of the Code. In addition, a person
holding an interest in a pass-through entity as a nominee for another person
will, with respect to such interest, be treated as a pass-through entity.
 
  Sales of REMIC Certificates
 
  If a REMIC Certificate is sold, the selling Certificateholder will recognize
gain or loss equal to the difference between the amount realized on the sale
and its adjusted basis in the REMIC Certificate. The adjusted basis of a REMIC
Regular Certificate generally will equal the cost of such REMIC Regular
Certificate to such Certificateholder, increased by income reported by such
Certificateholder with respect to such REMIC Regular Certificate (including
original issue discount and market discount income) and reduced (but not below
zero) by distributions on such REMIC Regular Certificate received by such
Certificateholder and by any amortized premium. The adjusted basis of a REMIC
Residual Certificate will be determined as described under "--Taxation of
Owners of REMIC Residual Certificates--Basis Rules, Net Losses and
Distributions." Except as described below, any such gain or loss generally
will be capital gain or loss. The Code as of the date of this Prospectus
provides for a top marginal tax rate of 39.6% for individuals and a maximum
marginal rate for long-
 
                                      84
<PAGE>
 
term capital gains of individuals of 28%. No such rate differential exists for
corporations. In addition, the distinction between a capital gain or loss and
ordinary income or loss remains relevant for other purposes.
 
  Gain from the sale of a REMIC Regular Certificate that might otherwise be
capital gain will be treated as ordinary income to the extent such gain does
not exceed the excess, if any, of (i) the amount that would have been
includible in the seller's income with respect to such REMIC Regular
Certificate had income accrued thereon at a rate equal to 110% of the
"applicable federal rate" (generally, a rate based on an average of current
yields on Treasury securities having a maturity comparable to that of the
Certificate, which rate is computed and published monthly by the IRS),
determined as of the date of purchase of such REMIC Regular Certificate, over
(ii) the amount of ordinary income actually includible in the seller's income
prior to such sale. In addition, gain recognized on the sale of a REMIC
Regular Certificate by a seller who purchased such REMIC Regular Certificate
at a market discount will be taxable as ordinary income to the extent of any
accrued and previously unrecognized market discount that accrued during the
period the Certificate was held. See "--Taxation of Owners of REMIC Regular
Certificates--Market Discount."
 
  REMIC Certificates will be "evidences of indebtedness" within the meaning of
Section 582(c)(1) of the Code, so that gain or loss recognized from the sale
of a REMIC Certificate by a bank or thrift institution to which such section
applies will be ordinary income or loss.
 
  A portion of any gain from the sale of a REMIC Regular Certificate that
might otherwise be capital gain may be treated as ordinary income to the
extent that such Certificate is held as part of a "conversion transaction"
within the meaning of Section 1258 of the Code. A conversion transaction
generally is one in which the taxpayer has taken two or more positions in
Certificates or similar property that reduce or eliminate market risk, if
substantially all of the taxpayer's return is attributable to the time value
of the taxpayer's net investment in such transaction. The amount of gain so
realized in a conversion transaction that is recharacterized as ordinary
income generally will not exceed the amount of interest that would have
accrued on the taxpayer's net investment at 120% of the appropriate
"applicable Federal rate" (which rate is computed and published monthly by the
IRS) at the time the taxpayer enters into the conversion transaction, subject
to appropriate reduction for prior inclusion of interest and other ordinary
income items from the transaction.
 
  Finally, a taxpayer may elect to have net capital gain taxed at ordinary
income rates rather than capital gains rates in order to include such net
capital gain in total net investment income for the taxable year, for purposes
of the limitation on the deduction of interest on indebtedness incurred to
purchase or carry property held for investment to a taxpayer's net investment
income.
 
  Except as may be provided in Treasury regulations yet to be issued, if the
seller of a REMIC Residual Certificate reacquires the Certificate, any other
residual interest in a REMIC or any similar interest in a "taxable mortgage
pool" (as defined in Section 7701(i) of the Code) within six months of the
date of such sale, the sale will be subject to the "wash sale" rules of
Section 1091 of the Code. In that event, any loss realized by the REMIC
Residual Certificateholders on the sale will not be deductible, but instead
will be added to such REMIC Residual Certificateholders adjusted basis in the
newly-acquired asset.
 
  Prohibited Transactions and Other Possible REMIC Taxes
 
  The Code imposes a tax on REMICs equal to 100% of the net income derived
from "prohibited transactions" (the "PROHIBITED TRANSACTIONS TAX"). In
general, subject to certain specified exceptions a prohibited transaction
means the disposition of a Mortgage Loan, the receipt of income from a source
other than a Mortgage Loan or certain other permitted investments, the receipt
of compensation for services, or gain from the disposition of an asset
purchased with the payments on the Mortgage Loans for temporary investment
pending distribution on the REMIC Certificates. It is not anticipated that any
REMIC will engage in any prohibited transactions in which it would recognize a
material amount of net income.
 
  In addition, certain contributions to a REMIC made after the day on which
the REMIC issues all of its interests could result in the imposition of a tax
on the REMIC equal to 100% of the value of the contributed
 
                                      85
<PAGE>
 
property (the "CONTRIBUTIONS TAX"). Each Pooling and Servicing Agreement will
include provisions designed to prevent the acceptance of any contributions
that would be subject to such tax.
 
  REMICs also are subject to federal income tax at the highest corporate rate
on "net income from foreclosure property," determined by reference to the
rules applicable to real estate investment trusts. "Net income from
foreclosure property" generally means gain from the sale of a foreclosure
property that is inventory property and gross income from foreclosure property
other than qualifying rents and other qualifying income for a real estate
investment trust. Unless otherwise disclosed in the related Prospectus
Supplement, it is not anticipated that any REMIC will recognize "net income
from foreclosure property" subject to federal income tax.
 
  Unless otherwise disclosed in the related Prospectus Supplement, it is not
anticipated that any material state or local income or franchise tax will be
imposed on any REMIC.
 
  Unless otherwise stated in the related Prospectus Supplement, and to the
extent permitted by then applicable laws, any Prohibited Transactions Tax,
Contributions Tax, tax on "net income from foreclosure property" or state or
local income or franchise tax that may be imposed on the REMIC will be borne
by the related Master Servicer or the Trustee in either case out of its own
funds, provided that the Master Servicer or the Trustee, as the case may be,
has sufficient assets to do so, and provided further that such tax arises out
of a breach of the Master Servicer's or the Trustee's obligations, as the case
may be, under the related Pooling and Servicing Agreement and in respect of
compliance with applicable laws and regulations. Any such tax not borne by the
Master Servicer or the Trustee will be payable out of the related Trust Fund
resulting in a reduction in amounts payable to holders of the related REMIC
Certificates.
 
  Termination
 
  A REMIC will terminate immediately after the Distribution Date following
receipt by the REMIC of the final payment in respect of the Mortgage Loans or
upon a sale of the REMIC's assets following the adoption by the REMIC of a
plan of complete liquidation. The last distribution on a REMIC Regular
Certificate will be treated as a payment in retirement of a debt instrument.
In the case of a REMIC Residual Certificate, if the last distribution on such
REMIC Residual Certificate is less than the Certificateholder's adjusted basis
in such Certificate, such Certificateholder should be treated as realizing a
loss equal to the amount of such difference, and such loss may be treated as a
capital loss.
 
  Reporting and Other Administrative Matters
 
  Solely for purposes of the administrative provisions of the Code, the REMIC
will be treated as a partnership and REMIC Residual Certificateholders will be
treated as partners. Unless otherwise stated in the related Prospectus
Supplement, the Trustee will file REMIC federal income tax returns on behalf
of the related REMIC and the entity identified as the REMIC Administrator in
the related Pooling and Servicing Agreement (the "REMIC ADMINISTRATOR") will
prepare such REMIC federal income tax returns and will be designated as and
will act as the "tax matters person" for the REMIC in all respects, and may
hold a nominal amount of REMIC Residual Certificates.
 
  As the tax matters person, the REMIC Administrator, subject to certain
notice requirements and various restrictions and limitations, generally will
have the authority to act on behalf of the REMIC and the REMIC Residual
Certificateholders in connection with the administrative and judicial review
of items of income, deduction, gain or loss of the REMIC, as well as the
REMIC's classification. REMIC Residual Certificateholders generally will be
required to report such REMIC items consistently with their treatment on the
related REMIC's tax return and may in some circumstances be bound by a
settlement agreement between the REMIC Administrator, as tax matters person,
and the IRS concerning any such REMIC item. Adjustments made to the REMIC tax
return may require a REMIC Residual Certificateholders to make corresponding
adjustments on its return, and an audit of the REMIC's tax return, or the
adjustments resulting from such an audit, could result in an audit of such
Certificateholder's return. No REMIC will be registered as a tax shelter
pursuant to
 
                                      86
<PAGE>
 
Section 6111 of the Code because it is not anticipated that any REMIC will
have a net loss for any of the first five taxable years of its existence. Any
person that holds a REMIC Residual Certificate as a nominee for another person
may be required to furnish to the related REMIC, in a manner to be provided in
Treasury regulations, the name and address of such person and other
information.
 
  Reporting of interest income, including any original issue discount, with
respect to REMIC Regular Certificates is required annually, and may be
required more frequently under Treasury regulations. These information reports
generally are required to be sent to individual holders of REMIC Regular
Interests and the IRS; holders of REMIC Regular Certificates that are
corporations, trusts, securities dealers and certain other non-individuals
will be provided interest and original issue discount income information and
the information set forth in the following paragraph upon request in
accordance with the requirements of the applicable regulations. The
information must be provided by the later of 30 days after the end of the
quarter for which the information was requested, or two weeks after the
receipt of the request. The REMIC must also comply with rules requiring a
REMIC Regular Certificate issued with original issue discount to disclose on
its face certain information including the amount of original issue discount
and the issue date, and requiring such information to be reported to the IRS.
Reporting with respect to the REMIC Residual Certificates, including income,
excess inclusions, investment expenses and relevant information regarding
qualification of the REMIC's assets will be made as required under the
Treasury regulations, generally on a quarterly basis.
 
  As applicable, the REMIC Regular Certificate information reports will
include a statement of the adjusted issue price of the REMIC Regular
Certificate at the beginning of each accrual period. In addition, the reports
will include information required by regulations with respect to computing the
accrual of any market discount. Because exact computation of the accrual of
market discount on a constant yield method requires information relating to
the holder's purchase price that the REMIC Administrator will not have, such
regulations only require that information pertaining to the appropriate
proportionate method of accruing market discount be provided. See "--Taxation
of Owners of REMIC Regular Certificates--Market Discount."
 
  The responsibility for complying with the foregoing reporting rules will be
borne by the REMIC Administrator. Certificateholders may request any
information with respect to the returns described in Section 1.6049-7(e)(2) of
the Treasury regulations. Such request should be directed to the REMIC
Administrator at Residential Funding Corporation, 8400 Normandale Lake
Boulevard, Suite 600, Minneapolis, Minnesota 55437.
 
  Backup Withholding with Respect to REMIC Certificates
 
  Payments of interest and principal, as well as payments of proceeds from the
sale of REMIC Certificates, may be subject to the "backup withholding tax"
under Section 3406 of the Code at a rate of 31% if recipients of such payments
fail to furnish to the payor certain information, including their taxpayer
identification numbers, or otherwise fail to establish an exemption from such
tax. Any amounts deducted and withheld from a distribution to a recipient
would be allowed as a credit against such recipient's federal income tax.
Furthermore, certain penalties may be imposed by the IRS on a recipient of
payments that is required to supply information but that does not do so in the
proper manner.
 
  Foreign Investors in REMIC Certificates
 
  A REMIC Regular Certificateholder that is not a "United States person" (as
defined below) and is not subject to federal income tax as a result of any
direct or indirect connection to the United States in addition to its
ownership of a REMIC Regular Certificate will not be subject to United States
federal income or withholding tax in respect of a distribution on a REMIC
Regular Certificate, provided that the holder complies to the extent necessary
with certain identification requirements (including delivery of a statement,
signed by the Certificateholder under penalties of perjury, certifying that
such Certificateholder is not a United States person and providing the name
and address of such Certificateholder). For these purposes, "United States
person" means a citizen or resident of the United States, a corporation,
partnership or other entity created or organized in, or under the laws of, the
United States or any political subdivision thereof, or an estate or trust
whose income
 
                                      87
<PAGE>
 
from sources without the United States is includible in gross income for
United States federal income tax purposes regardless of its connection with
the conduct of a trade or business within the United States. It is possible
that the IRS may assert that the foregoing tax exemption should not apply with
respect to a REMIC Regular Certificate held by a REMIC Residual
Certificateholder that owns directly or indirectly a 10% or greater interest
in the REMIC Residual Certificates. If the holder does not qualify for
exemption, distributions of interest, including distributions in respect of
accrued original issue discount, to such holder may be subject to a tax rate
of 30%, subject to reduction under any applicable tax treaty.
 
  In addition, the foregoing rules will not apply to exempt a United States
shareholder of a controlled foreign corporation from taxation on such United
States shareholder's allocable portion of the interest income received by such
controlled foreign corporation.
 
  Further, it appears that a REMIC Regular Certificate would not be included
in the estate of a non-resident alien individual and would not be subject to
United States estate taxes. However, Certificateholders who are non-resident
alien individuals should consult their tax advisors concerning this question.
 
  Unless otherwise stated in the related Prospectus Supplement, transfers of
REMIC Residual Certificates to investors that are not United States persons
will be prohibited under the related Pooling and Servicing Agreement.
 
                       STATE AND OTHER TAX CONSEQUENCES
 
  In addition to the federal income tax consequences described in "Certain
Federal Income Tax Consequences," potential investors should consider the
state and local tax consequences of the acquisition, ownership, and
disposition of the Certificates offered hereunder. State tax law may differ
substantially from the corresponding federal tax law, and the discussion above
does not purport to describe any aspect of the tax laws of any state or other
jurisdiction. Therefore, prospective investors should consult their tax
advisors with respect to the various tax consequences of investments in the
Certificates offered hereby.
 
                             ERISA CONSIDERATIONS
 
  ERISA imposes certain fiduciary and prohibited transaction restrictions on
employee pension and welfare benefit plans subject to ERISA ("ERISA PLANS").
Section 4975 of the Code imposes similar prohibited transaction restrictions
on tax-qualified retirement plans described in Section 401(a) of the Code
("QUALIFIED RETIREMENT PLANS") and on individual retirement accounts and
annuities ("IRAS") described in Section 408 of the Code (collectively, "TAX-
FAVORED PLANS").
 
  Certain employee benefit plans, such as governmental plans (as defined in
Section 3(32) of ERISA), are not subject to the ERISA requirements discussed
herein. Accordingly, assets of such plans may be invested in Certificates
without regard to the ERISA considerations described below, subject to the
provisions of applicable federal and state law. Any such plan that is a
Qualified Retirement Plan and exempt from taxation under Sections 401(a) and
501(a) of the Code, however, is subject to the prohibited transaction rules
set forth in Section 503 of the Code.
 
  In addition to imposing general fiduciary requirements, including those of
investment prudence and diversification and the requirement that a Plan's
investment be made in accordance with the documents governing the Plan,
Section 406 of ERISA and Section 4975 of the Code prohibit a broad range of
transactions involving "plan assets" of ERISA Plans and Tax-Favored Plans
(collectively, "PLANS") and persons ("PARTIES IN INTEREST" under ERISA or
"DISQUALIFIED PERSONS" under the Code) who have certain specified
relationships to the Plans, unless a statutory or administrative exemption is
available. Certain Parties in Interest (or Disqualified Persons) that
participate in a prohibited transaction may be subject to a penalty (or an
excise tax) imposed pursuant to Section 502(i) of ERISA or Section 4975 of the
Code, unless a statutory or administrative exemption is available.
 
                                      88
<PAGE>
 
PLAN ASSET REGULATIONS
 
  An investment of Plan Assets in Certificates may cause the underlying
Mortgage Loans and Mortgage Securities included in a Trust Fund to be deemed
"plan assets" of such Plan. The U.S. Department of Labor (the "DOL") has
promulgated regulations at 29 C.F.R. section 2510.3-101 (the "DOL
REGULATIONS") concerning whether or not a Plan's assets would be deemed to
include an interest in the underlying assets of an entity (such as a Trust
Fund), for purposes of applying the general fiduciary responsibility
provisions of ERISA and the prohibited transaction provisions of ERISA and
Section 4975 of the Code, when a Plan acquires an "equity interest" (such as a
Certificate) in such entity. Because of the factual nature of certain of the
rules set forth in the DOL Regulations, Plan Assets either may be deemed to
include an interest in the assets of an entity (such as a Trust Fund) or may
be deemed merely to include a Plan's interest in the instrument evidencing
such equity interest (such as a Certificate). Therefore, neither Plans nor
such entities should acquire or hold Certificates in reliance upon the
availability of any exception under the DOL Regulations. For purposes of this
section, the term "plan assets" ("PLAN ASSETS") or "assets of a Plan" has the
meaning specified in the DOL Regulations and includes an undivided interest in
the underlying assets of certain entities in which a Plan invests.
 
  The prohibited transaction provisions of Section 406 of ERISA and Section
4975 of the Code may apply to a Trust Fund and cause the Company, the Master
Servicer, any Subservicer, the Trustee, the obligor under any credit
enhancement mechanism or certain affiliates thereof to be considered or become
Parties in Interest (or Disqualified Persons) with respect to an investing
Plan (or of a Plan holding an interest in such an entity). If so, the
acquisition or holding of Certificates by or on behalf of the investing Plan
could also give rise to a prohibited transaction under ERISA and/or Section
4975 of the Code, unless some statutory or administrative exemption is
available. Certificates acquired by a Plan would be assets of that Plan. Under
the DOL Regulations, the Trust Fund, including the Mortgage Loans or Mortgage
Securities and the other assets held in the Trust Fund, may also be deemed to
be assets of each Plan that acquires Certificates. Special caution should be
exercised before Plan Assets are used to acquire a Certificate in such
circumstances, especially if, with respect to such Plan Assets, the Company,
the Master Servicer, any Subservicer, the Trustee, the obligor under any
credit enhancement mechanism or an affiliate thereof either (i) has investment
discretion with respect to the investment of such Plan Assets; or (ii) has
authority or responsibility to give (or regularly gives) investment advice
with respect to Plan Assets for a fee pursuant to an agreement or
understanding that such advice will serve as a primary basis for investment
decisions with respect to such Plan Assets.
 
  Any person who has discretionary authority or control respecting the
management or disposition of Plan Assets, and any person who provides
investment advice with respect to such Plan Assets for a fee (in the manner
described above), is a fiduciary of the investing Plan. If the Mortgage Loans
or Mortgage Securities were to constitute Plan Assets, then any party
exercising management or discretionary control regarding those Plan Assets may
be deemed to be a Plan "fiduciary," and thus subject to the fiduciary
requirements of ERISA and the prohibited transaction provisions of ERISA and
Section 4975 of the Code with respect to any investing Plan. In addition, if
the Mortgage Loans or Mortgage Securities were to constitute Plan Assets, then
the acquisition or holding of Certificates by, on behalf of or with Plan
Assets, as well as the operation of the Trust Fund, may constitute or result
in a prohibited transaction under ERISA and the Code.
 
PROHIBITED TRANSACTION EXEMPTION
 
  On March 29, 1994, the DOL issued (with an effective date of June 9, 1992)
an individual exemption (the "EXEMPTION") to Residential Funding and certain
of its affiliates, which generally exempts from the application of the
prohibited transaction provisions of Section 406 of ERISA, and the excise
taxes imposed on such prohibited transactions pursuant to Section 4975(a) and
(b) of the Code, certain transactions, among others, relating to the servicing
and operation of mortgage pools of certain secured obligations such as
Mortgage Loans which are held in a trust and the purchase, sale and holding of
pass-through certificates issued by such a trust as to which (i) the Company
or any of its affiliates is the sponsor if any entity which has received from
the DOL an individual prohibited transaction exemption which is similar to the
Exemption is the sole underwriter, or manager or co-manager of the
underwriting syndicate or a seller or placement agent, or (ii) the Company or
an affiliate is
 
                                      89
<PAGE>
 
the Underwriter or placement agent, provided that certain conditions set forth
in the Exemption are satisfied. For purposes of this section, the term
"Underwriter" shall include (a) the Company and certain of its affiliates, (b)
any person directly or indirectly, through one or more intermediaries,
controlling, controlled by or under common control with the Company and
certain of its affiliates, (c) any member of the underwriting syndicate or
selling group of which a person described in (a) or (b) is a manager or co-
manager with respect to a class of Certificates, or (d) any entity which has
received an exemption from the DOL relating to Certificates which is similar
to the Exemption.
 
  The Exemption sets forth six general conditions which must be satisfied for
a transaction involving the purchase, sale and holding of Certificates to be
eligible for exemptive relief thereunder. First, the acquisition of
Certificates by a Plan or with Plan Assets must be on terms that are at least
as favorable to the Plan as they would be in an arm's-length transaction with
an unrelated party. Second, the Exemption only applies to Certificates
evidencing rights and interests that are not subordinated to the rights and
interests evidenced by the other Certificates of the same trust. Third, the
Certificates at the time of acquisition by a Plan or with Plan Assets must be
rated in one of the three highest generic rating categories by Standard &
Poor's Ratings Services, Moody's Investors Service, Inc., Duff & Phelps, Inc.
or Fitch Investors Service, L.P. Fourth, the Trustee cannot be an affiliate of
any other member of the "Restricted Group" which consists of any Underwriter,
the Company, the Master Servicer, any Subservicer, the Trustee and any
mortgagor with respect to assets of a Trust Fund constituting more than 5% of
the aggregate unamortized principal balance of the assets in the related Trust
Fund as of the date of initial issuance of the Certificates. Fifth, the sum of
all payments made to and retained by the Underwriters must represent not more
than reasonable compensation for underwriting the Certificates; the sum of all
payments made to and retained by the Company pursuant to the assignment of the
assets to the related Trust Fund must represent not more than the fair market
value of such obligations; and the sum of all payments made to and retained by
the Master Servicer and any Subservicer must represent not more than
reasonable compensation for such person's services under the related Pooling
and Servicing Agreement and reimbursement of such person's reasonable expenses
in connection therewith. Sixth, the Exemption states that the investing Plan
or Plan Asset investor must be an accredited investor as defined in Rule
501(a)(1) of Regulation D of the Commission under the Securities Act of 1933,
as amended.
 
  A fiduciary of or other investor of Plan Assets contemplating purchasing a
Certificate must make its own determination that the general conditions set
forth above will be satisfied with respect to such Certificate.
 
  If the general conditions of the Exemption are satisfied, the Exemption may
provide an exemption from the restrictions imposed by Sections 406(a) and 407
of ERISA, and the excise taxes imposed by Sections 4975(a) and (b) of the Code
by reason of Sections 4975(c)(1)(A) through (D) of the Code, in connection
with the direct or indirect sale, exchange, transfer, holding or the direct or
indirect acquisition or disposition in the secondary market of Certificates by
or with Plan Assets. However, no exemption is provided from the restrictions
of Sections 406(a)(1)(E) and 406(a)(2) of ERISA for the acquisition or holding
of a Certificate by or with Plan Assets of an Excluded Plan by any person who
has discretionary authority or renders investment advice with respect to Plan
Assets of such Excluded Plan. For purposes of the Certificates, an "Excluded
Plan" is a Plan sponsored by any member of the Restricted Group.
 
  If certain specific conditions of the Exemption are also satisfied, the
Exemption may provide an exemption from the restrictions imposed by Sections
406(b)(1) and (b)(2) of ERISA, and the excise taxes imposed by Section
4975(c)(1)(E) of the Code, in connection with (1) the direct or indirect sale,
exchange or transfer of Certificates in the initial issuance of Certificates
between the Company or an Underwriter and a Plan when the person who has
discretionary authority or renders investment advice with respect to the
investment of the relevant Plan Assets in the Certificates is (a) a mortgagor
with respect to 5% or less of the fair market value of the assets of a Trust
Fund or (b) an affiliate of such a person, (2) the direct or indirect
acquisition or disposition in the secondary market of Certificates by a Plan
or with Plan Assets and (3) the holding of Certificates by a Plan or with Plan
Assets.
 
 
                                      90
<PAGE>
 
  Additionally, if certain specific conditions of the Exemption are satisfied,
the Exemption may provide an exemption from the restrictions imposed by
Sections 406(a), 406(b) and 407 of ERISA, and the excise taxes imposed by
Sections 4975(a) and (b) of the Code by reason of Section 4975(c) of the Code,
for transactions in connection with the servicing, management and operation of
the Mortgage Pools. The Company expects that the specific conditions of the
Exemption required for this purpose will be satisfied with respect to the
Certificates so that the Exemption would provide an exemption from the
restrictions imposed by Sections 406(a) and (b) of ERISA, and the excise taxes
imposed by Sections 4975(a) and (b) of the Code by reason of Section 4975(c)
of the Code, for transactions in connection with the servicing, management and
operation of the Mortgage Pools, provided that the general conditions of the
Exemption are satisfied.
 
  The Exemption also may provide an exemption from the restrictions imposed by
Sections 406(a) and 407(a) of ERISA, and the excise taxes imposed by Section
4975(a) and (b) of the Code by reason of Sections 4975(c)(1)(A) through (D) of
the Code, if such restrictions are deemed to otherwise apply merely because a
person is deemed to be a Party in Interest (or a Disqualified Person) with
respect to an investing Plan (or Plans holding interests in the investing
entity holding Plan Assets) by virtue of providing services to the Plan or
such Plan Assets (or by virtue of having certain specified relationships to
such a person) solely as a result of the ownership of Certificates by a Plan
or such Plan Asset investor.
 
  Before purchasing a Certificate, a fiduciary or other investor of Plan
Assets should itself confirm that (a) the Certificates constitute
"certificates" for purposes of the Exemption and (b) the specific and general
conditions set forth in the Exemption and the other requirements set forth in
the Exemption would be satisfied. In addition to making its own determination
as to the availability of the exemptive relief provided in the Exemption, the
fiduciary or other Plan Asset investor should consider its general fiduciary
obligations under ERISA in determining whether to purchase any Certificates
with Plan Assets.
 
  Any fiduciary or other Plan Asset investor that proposes to purchase
Certificates on behalf of or with Plan Assets should consult with its counsel
with respect to the potential applicability of ERISA and the Code to such
investment and the availability of the Exemption or any other prohibited
transaction exemption in connection therewith. In particular, in connection
with a contemplated purchase of Certificates representing a beneficial
ownership interest in a pool of single-family residential first Mortgage
Loans, such fiduciary or other Plan investor should consider the availability
of the Exemption or Prohibited Transaction Class Exemption ("PTCE") 83-1
("PTCE 83-1") for certain transactions involving mortgage pool investment
trusts. However, PTCE 83-1 does not provide exemptive relief with respect to
Certificates evidencing interests in Trust Funds which include Cooperative
Loans. In addition, such fiduciary or other Plan Asset investor should
consider the availability of PTCE 95-60, regarding investments by insurance
company general accounts, PTCE 90-1, regarding investments by insurance
company pooled separate accounts, PTCE 96-23, regarding transactions effected
by "in-house asset managers," PTCE 91-38, regarding investments by bank
collective investment funds, and PTCE 84-14, regarding transactions effected
by "qualified professional asset managers." The Prospectus Supplement with
respect to a series of Certificates may contain additional information
regarding the application of the Exemption, PTCE 83-1 or any other exemption,
with respect to the Certificates offered thereby. There can be no assurance
that any of these exemptions will apply with respect to any particular Plan's
or other Plan Asset investor's investment in the Certificates or, even if an
exemption were deemed to apply, that any exemption would apply to all
prohibited transactions that may occur in connection with such an investment.
 
TAX-EXEMPT INVESTORS
 
  A Plan that is exempt from federal income taxation pursuant to Section 501
of the Code (a "TAX-EXEMPT INVESTOR") nonetheless will be subject to federal
income taxation to the extent that its income is "unrelated business taxable
income" ("UBTI") within the meaning of Section 512 of the Code. All "excess
inclusions" of a REMIC allocated to a REMIC Residual Certificate held by a
Tax-Exempt Investor will be considered UBTI and thus will be subject to
federal income tax. See "Certain Federal Income Tax Consequences--Taxation of
Owners of REMIC Residual Certificates--Excess Inclusions."
 
                                      91
<PAGE>
 
CONSULTATION WITH COUNSEL
 
  Any fiduciary or other investor of Plan Assets that proposes to acquire or
hold Certificates on behalf of or with Plan Assets of any Plan should consult
with its counsel with respect to the potential applicability of the fiduciary
responsibility provisions of ERISA and the prohibited transaction provisions
of ERISA and the Code to the proposed investment and the Exemption, the
availability of PTCE 83-1 or any other prohibited transaction exemption.
 
                           LEGAL INVESTMENT MATTERS
 
  Each class of Certificates offered hereby and by the related Prospectus
Supplement will be rated at the date of issuance in one of the four highest
rating categories by at least one Rating Agency. Unless otherwise specified in
the related Prospectus Supplement, each such class that is, and continues to
be, rated in one of the two highest rating categories by at least one
nationally recognized statistical rating organization will constitute
"mortgage related securities" for purposes of SMMEA, and, as such, will be
legal investments for persons, trusts, corporations, partnerships,
associations, business trusts and business entities (including depository
institutions, life insurance companies and pension funds) created pursuant to
or existing under the laws of the United States or of any State whose
authorized investments are subject to state regulation to the same extent
that, under applicable law, obligations issued by or guaranteed as to
principal and interest by the United States or any agency or instrumentality
thereof constitute legal investments for such entities. Under SMMEA, if a
State enacted legislation on or prior to October 3, 1991 specifically limiting
the legal investment authority of any such entities with respect to "mortgage
related securities," such securities will constitute legal investments for
entities subject to such legislation only to the extent provided therein.
Certain States enacted legislation which overrides the preemption provisions
of SMMEA. SMMEA provides, however, that in no event will the enactment of any
such legislation affect the validity of any contractual commitment to
purchase, hold or invest in "mortgage related securities," or require the sale
or other disposition of such securities, so long as such contractual
commitment was made or such securities acquired prior to the enactment of such
legislation.
 
  SMMEA also amended the legal investment authority of federally-chartered
depository institutions as follows: federal savings and loan associations and
federal savings banks may invest in, sell or otherwise deal with "mortgage
related securities" without limitation as to the percentage of their assets
represented thereby, federal credit unions may invest in such securities, and
national banks may purchase such securities for their own account without
regard to the limitations generally applicable to investment securities set
forth in 12 U.S.C. (S)24 (Seventh), subject in each case to such regulations
as the applicable federal regulatory authority may prescribe.
 
  The Federal Financial Institutions Examination Council has issued a
supervisory policy statement (the "POLICY STATEMENT") applicable to all
depository institutions, setting forth guidelines for and significant
restrictions on investments in "high-risk mortgage securities." The Policy
Statement has been adopted by the Federal Reserve Board, the Office of the
Comptroller of the Currency, the FDIC and the Office of Thrift Supervision
(the "OTS") with an effective date of February 10, 1992. The Policy Statement
generally indicates that a mortgage derivative product will be deemed to be
high risk if it exhibits greater price volatility than a standard fixed-rate
thirty-year mortgage security. According to the Policy Statement, prior to
purchase, a depository institution will be required to determine whether a
mortgage derivative product that it is considering acquiring is high-risk,
and, if so, that the proposed acquisition would reduce the institution's
overall interest rate risk. Reliance on analysis and documentation obtained
from a securities dealer or other outside party without internal analysis by
the institution would be unacceptable. There can be no assurance as to which
classes of Certificates will be treated as high-risk under the Policy
Statement.
 
  The predecessor to the OTS issued a bulletin, entitled, "Mortgage Derivative
Products and Mortgage Swaps," which is applicable to thrift institutions
regulated by the OTS. The bulletin established guidelines for the investment
by savings institutions in certain "high-risk" mortgage derivative securities
and limitations on
 
                                      92
<PAGE>
 
the use of such securities by insolvent, undercapitalized or otherwise
"troubled" institutions. According to the bulletin, such "high-risk" mortgage
derivative securities include securities having certain specified
characteristics, which may include certain classes of Certificates. In
addition, the National Credit Union Administration has issued regulations
governing federal credit union investments which prohibit investment in
certain specified types of securities, which may include certain classes of
Certificates. Similar policy statements have been issued by regulators having
jurisdiction over other types of depository institutions.
 
  Certain classes of Certificates offered hereby, including any class that is
not rated in one of the two highest rating categories by at least one
nationally recognized statistical rating organization, will not constitute
"mortgage related securities" for purposes of SMMEA. Any such class of
Certificates will be identified in the related Prospectus Supplement.
Prospective investors in such classes of Certificates, in particular, should
consider the matters discussed in the following paragraph.
 
  There may be other restrictions on the ability of certain investors either
to purchase certain classes of Certificates or to purchase any class of
Certificates representing more than a specified percentage of the investors'
assets. The Company will make no representations as to the proper
characterization of any class of Certificates for legal investment or other
purposes, or as to the ability of particular investors to purchase any class
of Certificates under applicable legal investment restrictions. These
uncertainties may adversely affect the liquidity of any class of Certificates.
Accordingly, all investors whose investment activities are subject to legal
investment laws and regulations, regulatory capital requirements or review by
regulatory authorities should consult with their own legal advisors in
determining whether and to what extent the Certificates of any class
constitute legal investments or are subject to investment, capital or other
restrictions, and, if applicable, whether SMMEA has been overridden in any
jurisdiction relevant to such investor.
 
                                USE OF PROCEEDS
 
  Unless otherwise specified in the related Prospectus Supplement,
substantially all of the net proceeds to be received from the sale of
Certificates will be applied by the Company to finance the purchase of, or to
repay short-term loans incurred to finance the purchase of, the Mortgage Loans
underlying the Certificates or will be used by the Company for general
corporate purposes. The Company expects that it will make additional sales of
securities similar to the Certificates from time to time, but the timing and
amount of any such additional offerings will be dependent upon a number of
factors, including the volume of mortgage loans purchased by the Company,
prevailing interest rates, availability of funds and general market
conditions.
 
                            METHODS OF DISTRIBUTION
 
  The Certificates offered hereby and by the related Prospectus Supplements
will be offered in series through one or more of the methods described below.
The Prospectus Supplement prepared for each series will describe the method of
offering being utilized for that series and will state the net proceeds to the
Company from such sale.
 
  The Company intends that Certificates will be offered through the following
methods from time to time and that offerings may be made concurrently through
more than one of these methods or that an offering of a particular series of
Certificates may be made through a combination of two or more of these
methods. Such methods are as follows:
 
    1. by negotiated firm commitment or best efforts underwriting and public
  re-offering by underwriters;
 
    2. by placements by the Company with institutional investors through
  dealers; and
 
    3. by direct placements by the Company with institutional investors.
 
 
                                      93
<PAGE>
 
  In addition, if specified in the related Prospectus Supplement, a series of
Certificates may be offered in whole or in part to the Seller of the related
Mortgage Loans that would comprise the Mortgage Pool in respect of such
Certificates.
 
  If underwriters are used in a sale of any Certificates (other than in
connection with an underwriting on a best efforts basis), such Certificates
will be acquired by the underwriters for their own account and may be resold
from time to time in one or more transactions, including negotiated
transactions, at fixed public offering prices or at varying prices to be
determined at the time of sale or at the time of commitment therefor. Such
underwriters may be broker-dealers affiliated with the Company whose
identities and relationships to the Company will be as set forth in the
related Prospectus Supplement. The managing underwriter or underwriters with
respect to the offer and sale of a particular series of Certificates will be
set forth on the cover of the Prospectus Supplement relating to such series
and the members of the underwriting syndicate, if any, will be named in such
Prospectus Supplement.
 
  In connection with the sale of the Certificates, underwriters may receive
compensation from the Company or from purchasers of the Certificates in the
form of discounts, concessions or commissions. Underwriters and dealers
participating in the distribution of the Certificates may be deemed to be
underwriters in connection with such Certificates, and any discounts or
commissions received by them from the Company and any profit on the resale of
Certificates by them may be deemed to be underwriting discounts and
commissions under the Securities Act of 1933, as amended.
 
  It is anticipated that the underwriting agreement pertaining to the sale of
any series of Certificates will provide that the obligations of the
underwriters will be subject to certain conditions precedent, that the
underwriters will be obligated to purchase all such Certificates if any are
purchased (other than in connection with an underwriting on a best efforts
basis) and that, in limited circumstances, the Company will indemnify the
several underwriters and the underwriters will indemnify the Company against
certain civil liabilities, including liabilities under the Securities Act of
1933, as amended, or will contribute to payments required to be made in
respect thereof.
 
  The Prospectus Supplement with respect to any series offered by placements
through dealers will contain information regarding the nature of such offering
and any agreements to be entered into between the Company and purchasers of
Certificates of such series.
 
  The Company anticipates that the Certificates offered hereby will be sold
primarily to institutional investors or sophisticated non-institutional
investors. Purchasers of Certificates, including dealers, may, depending on
the facts and circumstances of such purchases, be deemed to be "underwriters"
within the meaning of the Securities Act of 1933, as amended, in connection
with reoffers and sales by them of Certificates. Holders of Certificates
should consult with their legal advisors in this regard prior to any such
reoffer or sale.
 
                                 LEGAL MATTERS
 
  Certain legal matters, including certain federal income tax matters, will be
passed upon for the Company by Thacher Proffitt & Wood, New York, New York, or
by Orrick, Herrington & Sutcliffe, New York, New York, as specified in the
Prospectus Supplement.
 
                             FINANCIAL INFORMATION
 
  The Company has determined that its financial statements are not material to
the offering made hereby. The Certificates do not represent an interest in or
an obligation of the Company. The Company's only obligations with respect to a
series of Certificates will be to repurchase the Mortgage Loans upon any
breach of certain limited representations and warranties made by the Company,
or as otherwise provided in the applicable Prospectus Supplement.
 
                                      94
<PAGE>
 
                         INDEX OF PRINCIPAL DEFINITIONS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Accrual Certificates.......................................................   5
Additional Collateral......................................................  11
Additional Collateral Loans................................................  11
Advance....................................................................  36
Affiliated Sellers.........................................................  12
Appraised Value............................................................  14
ARM Loans..................................................................  13
Balloon Amount.............................................................  14
Balloon Loans..............................................................  14
Bankruptcy Amount..........................................................  42
Bankruptcy Losses..........................................................  43
Beneficial Owner...........................................................  26
Book-Entry Certificates....................................................  26
Buydown Account............................................................  15
Buydown Agreement..........................................................  33
Buydown Funds..............................................................  15
Buydown Mortgage Loans.....................................................  15
Buydown Period.............................................................  15
CEDEL......................................................................  26
CEDEL Participants.........................................................  27
Certificate Account........................................................  31
Certificate Administrator..................................................  15
Certificate Insurance Policy...............................................  48
Certificate Registrar......................................................  26
Certificateholder..........................................................  26
Certificates...............................................................   1
Clearance Cooperative......................................................  27
Closing Date...............................................................  74
Code.......................................................................   8
Commission.................................................................  15
Committee Report...........................................................  74
Company....................................................................   1
Compensating Interest......................................................  37
Contributions Tax..........................................................  86
Convertible Mortgage Loan..................................................  15
Cooperative................................................................  63
Cooperative Loans..........................................................  11
Cooperative Note ..........................................................  63
Cooperative Notes..........................................................  11
Credit Enhancer............................................................  44
Custodial Account..........................................................  22
Custodian..................................................................  29
Debt Service Reduction.....................................................  47
Defaulted Mortgage Losses..................................................  43
Deferred Interest..........................................................  13
Deficient Valuation........................................................  47
Deleted Mortgage Loan......................................................  21
Depositaries...............................................................  26
Designated Seller Transaction..............................................  12
</TABLE>
 
                                       95
<PAGE>
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Determination Date.........................................................  35
Disqualified Persons.......................................................  88
Distribution Amount........................................................  34
Distribution Date..........................................................   6
DOL........................................................................  89
DOL Regulations............................................................  89
DTC........................................................................  26
DTC Participants...........................................................  26
Due Date...................................................................  35
Eligible Account...........................................................  31
ERISA......................................................................   8
ERISA Plans................................................................  88
Euroclear..................................................................  26
Euroclear Operator.........................................................  27
Euroclear Participants.....................................................  27
Excess Spread..............................................................  30
Exchange Act...............................................................   2
Excluded Spread............................................................  30
Exemption..................................................................  89
Extraordinary Losses.......................................................  44
Fannie Mae.................................................................  49
FDIC.......................................................................  19
Form 8-K...................................................................  15
Fraud Losses...............................................................  44
Fraud Loss Amount..........................................................  42
Freddie Mac................................................................  49
Garn-St Germain Act........................................................  68
GMAC MORTGAGE..............................................................   1
Guide......................................................................  16
High Cost Loans............................................................  68
Holder.....................................................................  26
Index......................................................................  13
Indirect Participants......................................................  26
Insurance Proceeds.........................................................  31
IRAs.......................................................................  88
IRS........................................................................  74
Issue Premium..............................................................  80
Letter of Credit...........................................................  45
Letter of Credit Bank......................................................  45
Liquidated Mortgage Loan...................................................  40
Liquidation Proceeds.......................................................  31
Loan-to-Value Ratio........................................................  14
Manager....................................................................  12
Mark-to-Market Regulations.................................................  83
Master Commitments.........................................................  16
Master Servicer............................................................   1
Mezzanine Certificates.....................................................   5
Mortgage Loans.............................................................   1
Mortgage Notes.............................................................  11
Mortgage Pool..............................................................   4
</TABLE>
 
                                       96
<PAGE>
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Mortgage Pool Insurance Policy.............................................  45
Mortgage Rate..............................................................  13
Mortgage Securities........................................................   6
Mortgaged Properties.......................................................   5
Mortgages..................................................................  11
Net Mortgage Rate..........................................................  59
Nonrecoverable Advance.....................................................  33
Note Margin................................................................  13
OID Regulations............................................................  72
OTS........................................................................  92
Overcollateralization......................................................  43
Participants...............................................................  26
Parties in Interest........................................................  88
Pass-Through Rate..........................................................   4
Paying Agent...............................................................  34
Payment Date...............................................................  34
Percentage Interest........................................................  34
Permitted Investments......................................................  31
Plan Assets................................................................  89
Plans......................................................................  88
Policy Statement...........................................................  92
Pool Insurer...............................................................  33
Pooling and Servicing Agreement............................................   4
Prepayment Assumption......................................................  74
Prepayment Interest Shortfall..............................................  37
Primary Insurance Policy...................................................  50
Primary Insurer............................................................  51
Principal Prepayments......................................................  36
Prohibited Transactions Tax................................................  85
PTCE.......................................................................  91
PTCE 83-1..................................................................  91
Purchase Obligation........................................................  50
Purchase Price.............................................................  21
Qualified Insurer..........................................................  48
Qualified Retirement Plans.................................................  88
Qualified Substitute Mortgage Loan.........................................  21
Rating Agency..............................................................   8
Realized Loss..............................................................  41
Record Date................................................................  34
Registration Statement.....................................................   2
REMIC......................................................................   1
REMIC Administrator........................................................  86
REMIC Provisions...........................................................  71
REMIC Regular Certificates.................................................  72
REMIC Regulations..........................................................  72
REMIC Residual Certificates................................................  72
REO Mortgage Loan..........................................................  40
Reserve Fund...............................................................  47
Residential Funding........................................................   4
RICO.......................................................................  71
Seller.....................................................................  23
</TABLE>
 
                                       97
<PAGE>
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Sellers....................................................................  12
Senior Certificates........................................................   5
Senior/Subordinate Series..................................................  25
Servicing Advances.........................................................  33
Single Certificate.........................................................  38
SMMEA......................................................................   8
Special Hazard Amount......................................................  42
Special Hazard Insurance Policy............................................  46
Special Hazard Insurer.....................................................  46
Special Hazard Losses......................................................  43
Stated Principal Balance...................................................  42
Strip Certificate..........................................................   4
Subordinate Amount.........................................................  43
Subordinate Certificates...................................................   5
Subservicers...............................................................  15
Subservicing Account.......................................................  30
Subservicing Agreement.....................................................  23
Surety Bond................................................................  48
Tax Exempt Investor........................................................  91
Tax-Favored Plans..........................................................  88
Terms and Conditions.......................................................  27
Tiered REMICs..............................................................  73
Title V....................................................................  69
Title VIII.................................................................  69
Trust Fund.................................................................   1
Trustee....................................................................   4
UBTI.......................................................................  91
UCC........................................................................  66
Unaffiliated Sellers.......................................................  12
</TABLE>
 
                                       98




<PAGE>
<PAGE>
_________________________________               ________________________________
 
     NO  DEALER,  SALESMAN  OR OTHER  PERSON  HAS  BEEN AUTHORIZED  TO  GIVE ANY
INFORMATION OR  TO MAKE  ANY REPRESENTATIONS  NOT CONTAINED  IN THIS  PROSPECTUS
SUPPLEMENT  AND  THE  PROSPECTUS AND,  IF  GIVEN  OR MADE,  SUCH  INFORMATION OR
REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE COMPANY
OR BY LEHMAN  BROTHERS. THIS  PROSPECTUS SUPPLEMENT  AND THE  PROSPECTUS DO  NOT
CONSTITUTE  AN  OFFER  TO  SELL, OR  A  SOLICITATION  OF AN  OFFER  TO  BUY, THE
SECURITIES OFFERED HEREBY  TO ANYONE  IN ANY  JURISDICTION IN  WHICH THE  PERSON
MAKING SUCH OFFER OR SOLICITATION IS NOT QUALIFIED TO DO SO OR TO ANYONE TO WHOM
IT  IS UNLAWFUL TO MAKE ANY SUCH  OFFER OR SOLICITATION. NEITHER THE DELIVERY OF
THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS NOR ANY SALE MADE HEREUNDER SHALL,
UNDER ANY  CIRCUMSTANCES,  CREATE  AN IMPLICATION  THAT  INFORMATION  HEREIN  OR
THEREIN  IS CORRECT AS OF ANY TIME  SINCE THE DATE OF THIS PROSPECTUS SUPPLEMENT
OR THE PROSPECTUS.
 
                            ------------------------
                               TABLE OF CONTENTS
                             PROSPECTUS SUPPLEMENT
 
<TABLE>
<CAPTION>
                                                                                                                        PAGE
<S>                                                                                                                     <C>
                                                                                                                        ----
Summary..............................................................................................................   S-4
Description of the Mortgage Pool.....................................................................................   S-15
Description of the Certificates......................................................................................   S-20
Certain Yield and Prepayment Considerations..........................................................................   S-44
Pooling and Servicing Agreement......................................................................................   S-60
Certain Federal Income Tax Consequences..............................................................................   S-64
Method of Distribution...............................................................................................   S-67
Legal Opinions.......................................................................................................   S-68
Ratings..............................................................................................................   S-68
Legal Investment.....................................................................................................   S-69
ERISA Considerations.................................................................................................   S-69
                                                         PROSPECTUS
Additional Information...............................................................................................     2
Reports to Certificateholders........................................................................................     2
Incorporation of Certain Information By Reference....................................................................     2
Summary of Prospectus................................................................................................     4
Risk Factors.........................................................................................................     8
The Mortgage Pools...................................................................................................     9
Mortgage Loan Program................................................................................................    15
Description of the Certificates......................................................................................    23
Subordination........................................................................................................    39
Description of Credit Enhancement....................................................................................    41
Purchase Obligations.................................................................................................    46
Insurance Policies on Mortgage Loans.................................................................................    47
The Company..........................................................................................................    49
Residential Funding Corporation......................................................................................    49
The Pooling and Servicing Agreement..................................................................................    49
Yield Considerations.................................................................................................    54
Maturity and Prepayment Considerations...............................................................................    57
Certain Legal Aspects of Mortgage Loans..............................................................................    58
Certain Federal Income Tax Consequences..............................................................................    67
State and Other Tax Consequences.....................................................................................    82
ERISA Considerations.................................................................................................    83
Legal Investment Matters.............................................................................................    86
Use of Proceeds......................................................................................................    87
Methods of Distribution..............................................................................................    87
Legal Matters........................................................................................................    88
Financial Information................................................................................................    88
Index of Principal Definitions.......................................................................................    89
</TABLE>
 
                                  RESIDENTIAL
                                    FUNDING
                                    MORTGAGE
                               SECURITIES I, INC.
 
                                  $340,698,080
 
                                    MORTGAGE
                           PASS-THROUGH CERTIFICATES
 
                                SERIES 1996-S20
 
<TABLE>
<S>         <C>              <C>                  <C>
CLASS A-1    CERTIFICATES         7.100%          $52,409,000
CLASS A-2    CERTIFICATES         7.350%          $70,579,000
CLASS A-3    CERTIFICATES         7.500%          $68,773,000
CLASS A-5    CERTIFICATES     ADJUSTABLE RATE     $26,381,000
CLASS A-6    CERTIFICATES     ADJUSTABLE RATE     $ 4,255,000
CLASS A-7    CERTIFICATES         7.750%          $20,022,000
CLASS A-8    CERTIFICATES         7.750%          $12,014,000
CLASS A-9    CERTIFICATES         7.750%          $20,835,000
CLASS A-10   CERTIFICATES         7.750%          $29,566,000
CLASS A-11   CERTIFICATES         7.750%          $ 9,918,000
CLASS A-12   CERTIFICATES         7.750%          $ 4,755,000
CLASS A-13   CERTIFICATES         0.000%          $ 1,318,180
CLASS R-I    CERTIFICATES         7.750%          $       100
CLASS R-II   CERTIFICATES         7.750%          $       100
CLASS M-1    CERTIFICATES         7.750%          $ 9,033,100
CLASS M-2    CERTIFICATES         7.750%          $ 5,645,600
CLASS M-3    CERTIFICATES         7.750%          $ 5,194,000
</TABLE>
 
                            ------------------------
                             PROSPECTUS SUPPLEMENT
 
                            ------------------------
                                LEHMAN BROTHERS
                               SEPTEMBER 23, 1996
 
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