IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1
8-K, 1998-04-09
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934



Date of Report (Date of earliest event reported): March 30, 1998

IMPAC SECURED ASSETS CORP. (as depositor under an Amended and Restated Trust
Agreement, dated March 31, 1998, and pursuant to which an Indenture was entered
into, providing for, inter alia, the issuance of Collateralized Asset-Backed
Notes, Series 1998-1)



                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1
               (Exact name of Issuer as specified in its charter)

         California              333-08439-04               33-0705301
- ----------------------------     ------------            ----------------
(State or Other Jurisdiction     (Commission             (I.R.S. Employer
of Incorporation)                File Number)            Identification No.)


            20371 Irvine Avenue
            Santa Ana Heights, California                   92707
            -----------------------------                   -----
            (Address of Principal                         (Zip Code)
            Executive Offices)

Registrant's telephone number, including area code, is (714) 556-0122

- --------------------------------------------------------------------------------

<PAGE>



Item 2.  ACQUISITION OR DISPOSITION OF ASSETS.

                  For a description of the Bonds and the Mortgage Pool, refer to
the Indenture.

Item 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

                  (a)      Not applicable

                  (b)      Not applicable

                  (c)      Exhibits:

                  Exhibit No.               Description
                  -----------               -----------

                  3.1                       Amended and Restated Trust
                                            Agreement, dated as of March 31,
                                            1998, between Impac Secured Assets
                                            Corp., as depositor, and Wilmington
                                            Trust Company, as owner trustee.

                  4.1                       Indenture dated as of March 31,
                                            1998, between Impac Secured Assets
                                            CMN Trust Series 1998-1, as issuer
                                            and Bankers Trust Company of
                                            California, N.A., as indenture
                                            trustee.

                  99.1                      Servicing Agreement, dated as of
                                            March 1, 1998, between Impac Funding
                                            Corporation (formerly known as ICI
                                            Funding Corporation), as master
                                            servicer and Impac Secured Assets
                                            CMN Trust Series 1998-1, as issuer.

                                       -2-

<PAGE>




                                    SIGNATURE

                  Pursuant to the requirements of the Securities Exchange Act of
1934, the registrant has duly caused this report to be signed on its behalf by
the undersigned hereunto duly
authorized.


                                         IMPAC SECURED ASSETS CORP.

                                         By:  /s/ Richard J. Johnson
                                              --------------------------------
                                         Name:    Richard J. Johnson
                                         Title:   Chief Financial Officer

Dated:  April 9, 1998

                                       -3-

<PAGE>




                                  EXHIBIT INDEX


Exhibit No.       Description
- -----------       -----------
3.1               Amended and Restated Trust Agreement, dated as of March 31,
                  1998, between Impac Secured Assets Corp., as depositor,
                  Wilmington Trust Company, as owner trustee.
4.1               Indenture, dated as of March 31, 1998, between Impac Secured
                  Assets CMN Trust Series 1998-1, as issuer and Bankers Trust
                  Company of California, N.A., as indenture trustee.
99.1              Servicing Agreement, dated as of March 1, 1998,
                  between Impac Funding Corporation, as master
                  servicer and Impac Secured Assets CMN Trust
                  Series 1998-1, as issuer.


                                       -4-



================================================================================

                           IMPAC SECURED ASSETS CORP.

                                  as Depositor



                                       and



                            WILMINGTON TRUST COMPANY,

                                as Owner Trustee


                    -----------------------------------------


                              AMENDED AND RESTATED
                                 TRUST AGREEMENT

                           Dated as of March 31, 1998

                   ------------------------------------------



                               Trust Certificates,
                                  Series 1998-1



================================================================================







<PAGE>




                                Table of Contents
<TABLE>
<CAPTION>

Section                                                                                                        Page

ARTICLE I

<S>                                                                                                              <C>
         DEFINITIONS..............................................................................................1
         1.01.         DEFINITIONS................................................................................1
         1.02.         OTHER DEFINITIONAL PROVISIONS..............................................................1

ARTICLE II

         ORGANIZATION.............................................................................................3
         2.01.         NAME.......................................................................................3
         2.02.         OFFICE.....................................................................................3
         2.03.         PURPOSES AND POWERS........................................................................3
         2.04.         APPOINTMENT OF OWNER TRUSTEE...............................................................4
         2.05.         INITIAL CAPITAL CONTRIBUTION OF OWNER TRUST ESTATE.........................................4
         2.06.         DECLARATION OF TRUST.......................................................................4
         2.07.         LIABILITY OF THE HOLDERS OF THE CERTIFICATES...............................................4
         2.08.         TITLE TO TRUST PROPERTY....................................................................4
         2.09.         SITUS OF TRUST.............................................................................5
         2.10.         REPRESENTATIONS AND WARRANTIES OF THE DEPOSITOR............................................5
         2.11.         PAYMENT OF TRUST FEES......................................................................6
         2.12.         INVESTMENT COMPANY.........................................................................6

ARTICLE III

         CONVEYANCE OF THE MORTGAGE LOANS;
          CERTIFICATES............................................................................................7
         3.01.         CONVEYANCE OF THE MORTGAGE LOANS...........................................................7
         3.02.         INITIAL OWNERSHIP..........................................................................7
         3.03.         THE CERTIFICATES...........................................................................7
         3.04.         AUTHENTICATION OF CERTIFICATES.............................................................7
         3.05.         REGISTRATION OF AND LIMITATIONS ON TRANSFER AND EXCHANGE OF CERTIFICATES
                        ..........................................................................................8
         3.06.         MUTILATED, DESTROYED, LOST OR STOLEN CERTIFICATES.........................................10
         3.07.         PERSONS DEEMED CERTIFICATEHOLDERS.........................................................10
         3.08.         ACCESS TO LIST OF CERTIFICATEHOLDERS' NAMES AND ADDRESSES.................................10
         3.09.         MAINTENANCE OF OFFICE OR AGENCY...........................................................11
         3.10.         CERTIFICATE PAYING AGENT..................................................................11

ARTICLE IV

         AUTHORITY AND DUTIES OF OWNER TRUSTEE...................................................................13
         4.01.         GENERAL AUTHORITY.........................................................................13

</TABLE>


<PAGE>

<TABLE>
<CAPTION>

SECTION                                                                                                        PAGE


<S>                                                                                                              <C>
         4.02.         GENERAL DUTIES............................................................................13
         4.03.         ACTION UPON INSTRUCTION...................................................................13
         4.04.         NO DUTIES EXCEPT AS SPECIFIED UNDER SPECIFIED DOCUMENTS OR IN INSTRUCTIONS
                        .........................................................................................14
         4.05.         RESTRICTIONS..............................................................................14
         4.06.         PRIOR NOTICE TO CERTIFICATEHOLDERS WITH RESPECT TO CERTAIN MATTERS........................14
         4.07.         ACTION BY CERTIFICATEHOLDERS WITH RESPECT TO CERTAIN MATTERS..............................15
         4.08.         ACTION BY CERTIFICATEHOLDERS WITH RESPECT TO BANKRUPTCY...................................15
         4.09.         RESTRICTIONS ON CERTIFICATEHOLDERS' POWER.................................................15
         4.10.         MAJORITY CONTROL..........................................................................16
         4.11.         OPTIONAL REDEMPTION.......................................................................16

ARTICLE V

         APPLICATION OF TRUST FUNDS..............................................................................17
         5.01.         DISTRIBUTIONS.............................................................................17
         5.02.         METHOD OF PAYMENT.........................................................................17
         5.03.         TAX RETURNS...............................................................................17
         5.04.         STATEMENTS TO CERTIFICATEHOLDERS..........................................................18

ARTICLE VI

         CONCERNING THE OWNER TRUSTEE............................................................................19
         6.01.         ACCEPTANCE OF TRUSTS AND DUTIES...........................................................19
         6.02.         FURNISHING OF DOCUMENTS...................................................................20
         6.03.         REPRESENTATIONS AND WARRANTIES............................................................20
         6.04.         RELIANCE; ADVICE OF COUNSEL...............................................................21
         6.05.         NOT ACTING IN INDIVIDUAL CAPACITY.........................................................21
         6.06.         OWNER TRUSTEE NOT LIABLE FOR CERTIFICATES OR RELATED DOCUMENTS............................22
         6.07.         OWNER TRUSTEE MAY OWN CERTIFICATES AND NOTES..............................................22
         6.08.         PAYMENTS FROM OWNER TRUST ESTATE..........................................................22
         6.09.         DOING BUSINESS IN OTHER JURISDICTIONS.....................................................22
         6.10.         LIABILITY OF CERTIFICATE REGISTRAR AND CERTIFICATE PAYING AGENT...........................23

ARTICLE VII

         COMPENSATION OF OWNER TRUSTEE...........................................................................24
         7.01.         OWNER TRUSTEE'S FEES AND EXPENSES.........................................................24
         7.02.         INDEMNIFICATION...........................................................................24

ARTICLE VIII

         TERMINATION OF TRUST AGREEMENT..........................................................................26

</TABLE>


<PAGE>

<TABLE>
<CAPTION>

SECTION                                                                                                        PAGE

<S>                                                                                                              <C>

         8.01.         TERMINATION OF TRUST AGREEMENT............................................................26

ARTICLE IX

         SUCCESSOR OWNER TRUSTEES AND ADDITIONAL OWNER TRUSTEES..................................................28
         9.01.         ELIGIBILITY REQUIREMENTS FOR OWNER TRUSTEE................................................28
         9.02.         REPLACEMENT OF OWNER TRUSTEE..............................................................28
         9.03.         SUCCESSOR OWNER TRUSTEE...................................................................28
         9.04.         MERGER OR CONSOLIDATION OF OWNER TRUSTEE..................................................29
         9.05.         APPOINTMENT OF CO-TRUSTEE OR SEPARATE TRUSTEE.............................................29

ARTICLE X

         MISCELLANEOUS...........................................................................................31
         10.01.        AMENDMENTS................................................................................31
         10.02.        NO LEGAL TITLE TO OWNER TRUST ESTATE......................................................32
         10.03.        LIMITATIONS ON RIGHTS OF OTHERS...........................................................32
         10.04.        NOTICES...................................................................................33
         10.05.        SEVERABILITY..............................................................................33
         10.06.        SEPARATE COUNTERPARTS.....................................................................33
         10.07.        SUCCESSORS AND ASSIGNS....................................................................33
         10.08.        NO PETITION...............................................................................33
         10.09.        NO RECOURSE...............................................................................34
         10.10.        HEADINGS..................................................................................34
         10.11.        GOVERNING LAW.............................................................................34
         10.12.        INTEGRATION...............................................................................34

Signatures ......................................................................................................40


EXHIBIT

Exhibit A-1 - Form of Certificate...............................................................................A-1
Exhibit A-2 - Form Class B-2 Certificate........................................................................A-1
Exhibit B - Certificate of Trust of Impac Secured Assets CMN Trust Series 1998-1 ...............................B-1
Exhibit C - Form of Rule 144A Investment Representation.........................................................C-1
Exhibit D - Form of Certificate of Non-Foreign Status...........................................................D-1
Exhibit E - Form of Investment Letter...........................................................................E-1
Exhibit F - Form of Transfer Certificate........................................................................F-1

</TABLE>


<PAGE>




         This Amended and Restated Trust Agreement, dated as of March 31, 1998
(as amended from time to time, this "Trust Agreement"), between Impac Secured
Assets Corp., a California corporation, as depositor (the "Depositor") and
Wilmington Trust Company, a Delaware banking corporation, as owner trustee (the
"Owner Trustee"),


                                WITNESSETH THAT:

         In consideration of the mutual agreements herein contained, the
Depositor and the Owner Trustee agree as follows:


                                    ARTICLE I

                                   DEFINITIONS

         Section 1.01. DEFINITIONS. For all purposes of this Trust Agreement,
except as otherwise expressly provided herein or unless the context otherwise
requires, capitalized terms not otherwise defined herein shall have the meanings
assigned to such terms in Appendix A to the Indenture, dated March 31, 1998,
between Impac Secured Assets CMN Trust Series 1998-1 , as Issuer, and Bankers
Trust Company of California, N.A., as Indenture Trustee, which is incorporated
by referenced herein. All other capitalized terms used herein shall have the
meanings specified herein.

         Section 1.02.     OTHER DEFINITIONAL PROVISIONS.

         (a) All terms defined in this Trust Agreement shall have the defined
meanings when used in any certificate or other document made or delivered
pursuant hereto unless otherwise defined therein.

         (b) As used in this Trust Agreement and in any certificate or other
document made or delivered pursuant hereto or thereto, accounting terms not
defined in this Trust Agreement or in any such certificate or other document,
and accounting terms partly defined in this Trust Agreement or in any such
certificate or other document to the extent not defined, shall have the
respective meanings given to them under generally accepted accounting
principles. To the extent that the definitions of accounting terms in this Trust
Agreement or in any such certificate or other document are inconsistent with the
meanings of such terms under generally accepted accounting principles, the
definitions contained in this Trust Agreement or in any such certificate or
other document shall control.

         (c) The words "hereof," "herein," "hereunder" and words of similar
import when used in this Trust Agreement shall refer to this Trust Agreement as
a whole and not to any particular provision of this Trust Agreement; Article,
Section and Exhibit references contained in this Trust Agreement are references
to Articles, Sections and Exhibits in or to this Trust Agreement unless
otherwise specified; and the term "including" shall mean "including without
limitation".




<PAGE>


                                       -2-

         (d) The definitions contained in this Trust Agreement are applicable to
the singular as well as the plural forms of such terms and to the masculine as
well as to the feminine and neuter genders of such terms.

         (e) Any agreement, instrument or statute defined or referred to herein
or in any instrument or certificate delivered in connection herewith means such
agreement, instrument or statute as from time to time amended, modified or
supplemented and includes (in the case of agreements or instruments) references
to all attachments thereto and instruments incorporated therein; references to a
Person are also to its permitted successors and assigns.



<PAGE>


                                       -3-

                                   ARTICLE II

                                  ORGANIZATION

         Section 2.01. NAME. The trust created hereby (the "Trust") shall be
known as "Impac Secured Assets CMN Trust Series 1998-1 ", in which name the
Owner Trustee may conduct the business of the Trust, make and execute contracts
and other instruments on behalf of the Trust and sue and be sued.

         Section 2.02.     OFFICE.  The office of the Trust shall be in care of 
the Owner Trustee at the Corporate Trust Office or at such other address in
Delaware as the Owner Trustee may designate by written notice to the
Certificateholders and the Depositor.

         Section 2.03.     PURPOSES AND POWERS.  The purpose of the Trust is to
engage in the following activities:

                  (i) to issue the Notes pursuant to the Indenture and the
         Certificates pursuant to this Trust Agreement and to sell the Notes and
         the Certificates;

                  (ii) to pay the organizational, start-up and transactional
         expenses of the Trust;

                  (iii) to assign, grant, transfer, pledge and convey the
         Mortgage Loans pursuant to the Indenture and to hold, manage and
         distribute to the Certificateholder pursuant to Section 5.01 any
         portion of the Mortgage Loans released from the Lien of, and remitted
         to the Trust pursuant to the Indenture;

                  (iv) to enter into and perform its obligations under the Basic
         Documents to which it is to be a party;

                  (v) if directed by holders of Certificates representing more
         than 50% of the beneficial interests in the Trust, sell the Trust
         Estate subsequent to the discharge of the Indenture, all for the
         benefit of the holders of the Certificates;

                  (vi) to engage in those activities, including entering into
         agreements, that are necessary, suitable or convenient to accomplish
         the foregoing or are incidental thereto or connected therewith; and

                  (vii) subject to compliance with the Basic Documents, to
         engage in such other activities as may be required in connection with
         conservation of the Owner Trust Estate and the making of distributions
         to the Certificateholder and the Noteholders.

The Trust is hereby authorized to engage in the foregoing activities. The Trust
shall not engage in any activity other than in connection with the foregoing or
other than as required or authorized by the terms of this Trust Agreement or the
Basic Documents.



<PAGE>


                                       -4-

         Section 2.04. APPOINTMENT OF OWNER TRUSTEE.  The Depositor hereby 
appoints the Owner Trustee as trustee of the Trust effective as of the date
hereof, to have all the rights, powers and duties set forth herein.

         Section 2.05. INITIAL CAPITAL CONTRIBUTION OF OWNER TRUST ESTATE. The
Depositor hereby sells, assigns, transfers, conveys and sets over to the Trust,
as of the date hereof, the sum of $1. The Owner Trustee hereby acknowledges
receipt in trust from the Depositor, as of the date hereof, of the foregoing
contribution, which shall constitute the initial corpus of the Trust and shall
be deposited in the Certificate Distribution Account. The Owner Trustee also
acknowledges on behalf of the Trust the receipt in trust of the Mortgage Loans
and the rights with respect to the representations and warranties made by the
Seller under the Mortgage Loan Purchase Agreement which shall constitute the
Owner Trust Estate.

         Section 2.06. DECLARATION OF TRUST. The Owner Trustee hereby declares
that it shall hold the Owner Trust Estate in trust upon and subject to the
conditions set forth herein for the use and benefit of the Certificateholders,
subject to the obligations of the Trust under the Basic Documents. It is the
intention of the parties hereto that the Trust constitute a "business trust"
under the Business Trust Statute and that this Trust Agreement constitute the
governing instrument of such business trust. It is the intention of the parties
hereto that, for federal and state income and state and local franchise tax
purposes, the Trust shall not be treated as (i) an association subject
separately to taxation as a corporation, (ii) a "publicly traded partnership" as
defined in Treasury Regulation Section 1.7704-1 or (iii) a "taxable mortgage
pool" as defined in Section 7701(i) of the Code, and that the Notes shall be
debt, and the provisions of this Agreement shall be interpreted to further this
intention. Except as otherwise provided in this Trust Agreement, the rights of
the Certificateholder will be those of equity owners of the Trust. Effective as
of the date hereof, the Owner Trustee shall have all rights, powers and duties
set forth herein and in the Business Trust Statute with respect to accomplishing
the purposes of the Trust.

         Section 2.07. LIABILITY OF THE HOLDERS OF THE CERTIFICATES. The Holders
of the Certificates shall be jointly and severally liable directly to and shall
indemnify any injured party for all losses, claims, damages, liabilities and
expenses of the Trust and the Owner Trustee (including Expenses, to the extent
not paid out of the Owner Trust Estate); provided, however, that the Holders of
the Certificates shall not be liable for payments required to be made on the
Notes or the Certificates, or for any losses incurred by a Certificateholder in
the capacity of an investor in the Certificates or a Noteholder in the capacity
of an investor in the Notes. The Holders of the Certificates shall be liable for
and shall promptly pay any entity level taxes imposed on the Trust. In addition,
any third party creditors of the Trust shall be deemed third party beneficiaries
of this paragraph. The obligations of the Holders of the Certificates under this
paragraph shall be evidenced by the Certificates.

         Section 2.08. TITLE TO TRUST PROPERTY. Except with respect to the
Mortgage Loans, which will be assigned of record to the Indenture Trustee
pursuant to the Indenture, legal title to the Owner Trust Estate shall be vested
at all times in the Trust as a separate legal entity except where applicable law
in any jurisdiction requires title to any part of the Owner Trust Estate to be
vested



<PAGE>


                                       -5-

in a trustee or trustees, in which case title shall be deemed to be vested in
the Owner Trustee, a co-trustee and/or a separate trustee, as the case may be.

         Section 2.09. SITUS OF TRUST. The Trust will be located and
administered in the State of Delaware. All bank accounts maintained by the Owner
Trustee on behalf of the Trust shall be located in the State of Delaware. The
Trust shall not have any employees in any state other than Delaware; provided,
however, that nothing herein shall restrict or prohibit the Owner Trustee from
having employees within or without the State of Delaware or taking actions
outside the State of Delaware in order to comply with Section 2.03. Payments
will be received by the Trust only in Delaware, New York or California, and
payments will be made by the Trust only from Delaware, New York or California.
The only office of the Trust will be at the Corporate Trust Office in Delaware.

         Section 2.10. REPRESENTATIONS AND WARRANTIES OF THE DEPOSITOR.  The 
Depositor hereby represents and warrants to the Owner Trustee that:

                      (i) The Depositor is duly organized and validly existing
         as a corporation in good standing under the laws of the State of
         California, with power and authority to own its properties and to
         conduct its business as such properties are currently owned and such
         business is presently conducted.

                     (ii) The Depositor is duly qualified to do business as a
         foreign corporation in good standing and has obtained all necessary
         licenses and approvals in all jurisdictions in which the ownership or
         lease of its property or the conduct of its business shall require such
         qualifications and in which the failure to so qualify would have a
         material adverse effect on the business, properties, assets or
         condition (financial or other) of the Depositor.

                    (iii) The Depositor has the power and authority to execute
         and deliver this Trust Agreement and to carry out its terms; the
         Depositor has full power and authority to convey and assign the
         property to be conveyed and assigned to and deposited with the Trust as
         part of the Owner Trust Estate and the Depositor has duly authorized
         such conveyance and assignment and deposit to the Trust by all
         necessary corporate action; and the execution, delivery and performance
         of this Trust Agreement have been duly authorized by the Depositor by
         all necessary corporate action.

                     (iv) The consummation of the transactions contemplated by
         this Trust Agreement and the fulfillment of the terms hereof do not
         conflict with, result in any breach of any of the terms and provisions
         of, or constitute (with or without notice or lapse of time) a default
         under, the articles of incorporation or bylaws of the Depositor, or any
         indenture, agreement or other instrument to which the Depositor is a
         party or by which it is bound; nor result in the creation or imposition
         of any Lien upon any of its properties pursuant to the terms of any
         such indenture, agreement or other instrument (other than pursuant to
         the Basic Documents); nor violate any law or, to the best of the
         Depositor's knowledge, any order, rule or regulation applicable to the
         Depositor of any court or of any federal or state



<PAGE>


                                       -6-

         regulatory body, administrative agency or other governmental
         instrumentality having jurisdiction over the Depositor or its
         properties.

                  (v) The Trust is not required to register as an investment
         company under the Investment Company Act and is not under the control
         of a Person required to so register.

         Section 2.11. PAYMENT OF TRUST FEES. The Master Servicer shall remit
the Owner Trustee Fee to the Indenture Trustee pursuant to Section 3.07 of the
Servicing Agreement and the Indenture Trustee shall pay the Owner Trustee Fee
pursuant to Section 8.02(b) of the Indenture. The Master Servicer shall pay the
Trust's expenses (including expenses of the Owner Trustee and the Indenture
Trustee) incurred with respect to the performance of the Trust's duties under
the Indenture pursuant to a separate side agreement, or, if such amounts are
insufficient, the Owner Trustee shall be paid pursuant to Section 5.01 hereof.

         Section 2.12. INVESTMENT COMPANY. Neither the Depositor nor any holder
of a Certificate shall take any action which would cause the Trust to become an
"investment company" which would be required to register under the Investment
Company Act.



<PAGE>


                                       -7-

                                   ARTICLE III

                        CONVEYANCE OF THE MORTGAGE LOANS;
                                  CERTIFICATES

         Section 3.01. CONVEYANCE OF THE MORTGAGE LOANS. The Depositor,
concurrently with the execution and delivery hereof, does hereby transfer,
convey, sell and assign to the Trust, on behalf of the Holders of the Notes and
the Certificates, without recourse, all its right, title and interest in and to
the Mortgage Loans, including the right to enforce the repurchase and
indemnification obligations of the Seller and the Guarantor under the Mortgage
Loan Purchase Agreement.

         The parties hereto intend that the transaction set forth herein be a
sale by the Depositor to the Trust of all of its right, title and interest in
and to the Mortgage Loans. In the event that the transaction set forth herein is
not deemed to be a sale, the Depositor hereby grants to the Trust a security
interest in all of its right, title and interest in, to and under the Owner
Trust Estate, all distributions thereon and all proceeds thereof; and this Trust
Agreement shall constitute a security agreement under applicable law.

         Section 3.02. INITIAL OWNERSHIP. Upon the formation of the Trust by the
contribution by the Depositor pursuant to Section 2.05 and until the conveyance
of the Mortgage Loans pursuant to Section 3.01 and the issuance of the
Certificates, and thereafter except as otherwise permitted hereunder, the
Depositor shall be the sole Certificateholder.

         Section 3.03. THE CERTIFICATES. The Certificates shall be issued in the
form of one or more Certificates each representing not less than a 10%
Certificate Percentage Interest. The Certificates shall initially be registered
in the name of Impac Secured Assets Corp. The Certificates shall be executed on
behalf of the Trust by manual or facsimile signature of an authorized officer of
the Owner Trustee and authenticated in the manner provided in Section 3.04.
Certificates bearing the manual or facsimile signatures of individuals who were,
at the time when such signatures shall have been affixed, authorized to sign on
behalf of the Trust, shall be validly issued and entitled to the benefit of this
Trust Agreement, notwithstanding that such individuals or any of them shall have
ceased to be so authorized prior to the authentication and delivery of such
Certificates or did not hold such offices at the date of authentication and
delivery of such Certificates. A Person shall become a Certificateholder and
shall be entitled to the rights and subject to the obligations of a
Certificateholder hereunder upon such Person's acceptance of a Certificate duly
registered in such Person's name, pursuant to Section 3.05.

         A transferee of a Certificate shall become a Certificateholder and
shall be entitled to the rights and subject to the obligations of a
Certificateholder hereunder upon such transferee's acceptance of a Certificate
duly registered in such transferee's name pursuant to and upon satisfaction of
the conditions set forth in Section 3.05.

         Section 3.04. AUTHENTICATION OF CERTIFICATES.  The Owner Trustee shall
cause all Certificates issued hereunder to be executed and authenticated on
behalf of the Trust, authenticated



<PAGE>


                                       -8-

and delivered to or upon the written order of the Depositor, signed by its
chairman of the board, its president or any vice president, without further
corporate action by the Depositor, in authorized denominations. No Certificate
shall entitle its holder to any benefit under this Trust Agreement or be valid
for any purpose unless there shall appear on such Certificate a certificate of
authen tication substantially in the form set forth in Exhibit A, executed by
the Owner Trustee or the Certificate Registrar by manual signature; such
authentication shall constitute conclusive evidence that such Certificate shall
have been duly authenticated and delivered hereunder. All Certificates shall be
dated the date of their authentication.

         Section 3.05. REGISTRATION OF AND LIMITATIONS ON TRANSFER AND EXCHANGE
OF CERTIFICATES. The Certificate Registrar shall keep or cause to be kept, a
Certificate Register in which, subject to such reasonable regulations as it may
prescribe, the Certificate Registrar shall provide for the registration of
Certificates and of transfers and exchanges of Certificates as herein provided.
Bankers Trust Company of California, N.A. shall be the initial Certificate
Registrar. If the Certificate Registrar resigns or is removed, the Owner Trustee
shall appoint a successor Certificate Registrar.

         Subject to satisfaction of the conditions set forth below with respect
to the Certificate, upon surrender for registration of transfer of any
Certificate at the office or agency maintained pursuant to Section 3.09, the
Owner Trustee or the Certificate Registrar shall execute, authenticate and
deliver in the name of the designated transferee or transferees, one or more new
Certificates in authorized denominations of a like aggregate amount dated the
date of authentication by the Owner Trustee or the Certificate Registrar. At the
option of a Holder, Certificates may be exchanged for other Certificates of
authorized denominations of a like aggregate amount upon surrender of the
Certificates to be exchanged at the office or agency maintained pursuant to
Section 3.09.

         Every Certificate presented or surrendered for registration of transfer
or exchange shall be accompanied by a written instrument of transfer in form
satisfactory to the Certificate Registrar duly executed by the Holder or such
Holder's attorney duly authorized in writing. Each Certificate surrendered for
registration of transfer or exchange shall be cancelled and subsequently
disposed of by the Certificate Registrar in accordance with its customary
practice.

         No service charge shall be made for any registration of transfer or
exchange of Certificates, but the Owner Trustee or the Certificate Registrar may
require payment of a sum sufficient to cover any tax or governmental charge that
may be imposed in connection with any transfer or exchange of Certificates.

         No Person shall become a Certificateholder until it shall establish its
non-foreign status by submitting to the Certificate Paying Agent an IRS Form W-9
and the Certificate of Non-Foreign Status set forth in Exhibit D hereto.

         No transfer of a Certificate shall be made unless such transfer is
exempt from the registration requirements of the Securities Act and any
applicable state securities laws or is made in accordance with said Act and
laws. In the event of any such transfer, the Certificate Registrar



<PAGE>


                                       -9-

shall prior to such transfer require the transferee to execute (i) (a) an
investment letter (in substantially the form attached hereto as Exhibit C) in
form and substance reasonably satisfactory to the Certificate Registrar
certifying to the Trust and the Certificate Registrar that such transferee is a
"qualified institutional buyer" under Rule 144A under the Securities Act, or (b)
an investment letter (in substantially the form attached hereto as Exhibit E),
acceptable to and in form and substance reasonably satisfactory to the
Certificate Registrar, which investment letters shall not be an expense of the
Trust, the Owner Trustee, the Certificate Registrar, the Master Servicer or the
Depositor, or (c) a Certificate (in substantially the form attached hereto as
Exhibit F) in form and substance reasonably satisfactory to the Certificate
Registrar certifying that such transferee is a Person involved in the
organization or operation of the Trust or an affiliate of such a Person within
the meaning of Rule 3a-7 of the Investment Company Act of 1940, as amended
(including but not limited to the Depositor) and (ii) the Certificate of
Non-Foreign Status (in substantially the form attached hereto as Exhibit D)
acceptable to and in form and substance reasonably satisfactory to the
Certificate Registrar, which certificate shall not be an expense of the Trust,
the Owner Trustee, the Certificate Registrar or the Depositor. The Holder of a
Certificate desiring to effect such transfer shall, and does hereby agree to,
indemnify the Trust, the Owner Trustee, the Certificate Registrar, the Master
Servicer and the Depositor against any liability that may result if the transfer
is not so exempt or is not made in accordance with such federal and state laws.

         No transfer of a Certificate shall be made unless the Certificate
Registrar shall have received either (i) a representation letter from the
proposed transferee of such Certificate to the effect that such proposed
transferee is not an employee benefit plan subject to the fiduciary
responsibility provisions of ERISA, or Section 4975 of the Code, or a Person
acting on behalf of any such plan or using the assets of any such plan, which
representation letter shall not be an expense of the Trust, Owner Trustee, the
Certificate Registrar, the Master Servicer or the Depositor or (ii) in the case
of any such certificate presented for registration in the name of an employee
benefit plan subject to the fiduciary responsibility provisions of ERISA, or
Section 4975 of the Code (or comparable provisions of any subsequent
enactments), or a trustee of any such plan, or any other Person who is using the
assets of any such plan to effect such acquisition, an Opinion of Counsel, in
form and substance reasonably satisfactory to, and addressed and delivered to,
the Trust and the Certificate Registrar, to the effect that the purchase or
holding of such Certificate will not result in the assets of the Owner Trust
Estate being deemed to be "plan assets" and subject to the fiduciary
responsibility provisions of ERISA or the prohibited transaction provisions of
the Code, will not constitute or result in a prohibited transaction within the
meaning of Section 406 or Section 407 of ERISA or Section 4975 of the Code, and
will not subject the Trust, the Owner Trustee, the Certificate Registrar or the
Depositor to any obligation or liability (including obligations or liabilities
under ERISA or Section 4975 of the Code) in addition to those explicitly
undertaken in this Trust Agreement which Opinion of Counsel shall not be an
expense of the Trust, the Owner Trustee, the Certificate Registrar or Depositor.

         No offer, sale, transfer, pledge, hypothecation or other disposition
(including any pledge, sale or transfer under a repurchase transaction or
securities loan) of any Certificate shall be made to any transferee unless,
prior to such disposition, the proposed transferor delivers to the Certificate
Registrar and the Owner Trustee an Opinion of Counsel, rendered by a law firm



<PAGE>


                                      -10-

generally recognized to be qualified to opine concerning the tax aspects of
asset securitization, to the effect that such transfer (including any
disposition permitted following any default under any pledge or repurchase
transaction) will not cause the Trust to be (i) treated as an association
taxable as a corporation for federal income tax purposes, (ii) taxable as a
taxable mortgage pool as defined in Section 7701(i) of the Code or (iii) taxable
as a "publicly traded partnership" as defined in Treasury Regulation section
1.7704-1. Notwithstanding the foregoing, the provisions of this paragraph shall
not apply to the initial transfer of the Certificates to the Depositor.

         No offer, sale, transfer or other disposition (including pledge) of any
Certificate shall be made to any affiliate of the Depositor or the Issuer, other
than the initial transfer of the Certificates to the Depositor.

         Section 3.06. MUTILATED, DESTROYED, LOST OR STOLEN CERTIFICATES. If (a)
any mutilated Certificate shall be surrendered to the Certificate Registrar, or
if the Certificate Registrar shall receive evidence to its satisfaction of the
destruction, loss or theft of any Certificate and (b) there shall be delivered
to the Certificate Registrar and the Owner Trustee such security or indemnity as
may be required by them to save each of them harmless, then in the absence of
notice to the Certificate Registrar or the Owner Trustee that such Certificate
has been acquired by a bona fide purchaser, the Owner Trustee shall execute on
behalf of the Trust and the Owner Trustee or the Certificate Registrar, shall
authenticate and deliver, in exchange for or in lieu of any such mutilated,
destroyed, lost or stolen Certificate, a new Certificate of like tenor and
denomination. In connection with the issuance of any new Certificate under this
Section 3.06, the Owner Trustee or the Certificate Registrar may require the
payment of a sum sufficient to cover any expenses of the Owner Trustee or the
Certificate Registrar (including fees and expenses of counsel) and any tax or
other governmental charge that may be imposed in connection therewith. Any
duplicate Certificate issued pursuant to this Section 3.06 shall constitute
conclusive evidence of ownership in the Trust, as if originally issued, whether
or not the lost, stolen or destroyed Certificate shall be found at any time.

         Section 3.07. PERSONS DEEMED CERTIFICATEHOLDERS. Prior to due
presentation of a Certificate for registration of transfer, the Owner Trustee,
the Certificate Registrar or any Certificate Paying Agent may treat the Person
in whose name any Certificate is registered in the Certificate Register as the
owner of such Certificate for the purpose of receiving distributions pursuant to
Section 5.02 and for all other purposes whatsoever, and none of the Trust, the
Owner Trustee, the Certificate Registrar or any Paying Agent shall be bound by
any notice to the contrary.

         Section 3.08. ACCESS TO LIST OF CERTIFICATEHOLDERS' NAMES AND
ADDRESSES. The Certificate Registrar shall furnish or cause to be furnished to
the Depositor or the Owner Trustee, within 15 days after receipt by the
Certificate Registrar of a written request therefor from the Depositor or the
Owner Trustee, a list, in such form as the Depositor or the Owner Trustee, as
the case may be, may reasonably require, of the names and addresses of the
Certificateholders as of the most recent Record Date. Each Holder, by receiving
and holding a Certificate, shall be deemed to have agreed not to hold any of the
Trust, the Depositor, the Certificate Registrar or the Owner Trustee



<PAGE>


                                      -11-

accountable by reason of the disclosure of its name and address, regardless of
the source from which such information was derived.

         Section 3.09. MAINTENANCE OF OFFICE OR AGENCY. The Owner Trustee on
behalf of the Trust, shall maintain in Wilmington, Delaware, an office or
offices or agency or agencies where Certificates may be surrendered for
registration of transfer or exchange and where notices and demands to or upon
the Owner Trustee in respect of the Certificates and the Basic Documents may be
served. The Owner Trustee initially designates the Corporate Trust Office as its
office for such purposes. The Owner Trustee shall give prompt written notice to
the Depositor and the Certif icateholders of any change in the location of the
Certificate Register or any such office or agency.

         Section 3.10. CERTIFICATE PAYING AGENT. (a) The Certificate Paying
Agent shall make distributions to Certificateholders from the Certificate
Distribution Account on behalf of the Trust in accordance with the provisions of
the Certificates and Section 5.01 hereof from payments remitted to the
Certificate Paying Agent by the Indenture Trustee pursuant to Section 3.05 of
the Indenture. The Trust hereby appoints Bankers Trust Company of California,
N.A. as Certificate Paying Agent and Bankers Trust Company of California, N.A.
hereby accepts such appointment and further agrees that it will be bound by the
provisions of this Trust Agreement relating to the Certificate Paying Agent and
shall:

                         (i) hold all sums held by it for the payment of amounts
         due with respect to the Certificates in trust for the benefit of the
         Persons entitled thereto until such sums shall be paid to such Persons
         or otherwise disposed of as herein provided;

                        (ii) give the Owner Trustee notice of any default by the
         Trust of which it has actual knowledge in the making of any payment
         required to be made with respect to the Certificates;

                       (iii) at any time during the continuance of any such
         default, upon the written request of the Owner Trustee forthwith pay to
         the Owner Trustee on behalf of the Trust all sums so held in Trust by
         such Certificate Paying Agent;

                        (iv) shall not resign from its position as Certificate
         Paying Agent except that it shall immediately resign as Certificate
         Paying Agent and forthwith pay to the Owner Trustee on behalf of the
         Trust all sums held by it in trust for the payment of Certificates if
         at any time it ceases to meet the standards under this Section 3.10
         required to be met by the Certificate Paying Agent at the time of its
         appointment;

                         (v) comply with all requirements of the Code with
         respect to the withholding from any payments made by it on any
         Certificates of any applicable withholding taxes imposed thereon and
         with respect to any applicable reporting requirements in connection
         therewith; and




<PAGE>


                                      -12-

                        (vi) not institute Bankruptcy proceedings against the
         Issuer in connection with this Trust Agreement.

         (b) The Trust may revoke such power and remove the Certificate Paying
Agent if it determines in its sole discretion that the Certificate Paying Agent
shall have failed to perform its obligations under this Trust Agreement in any
material respect. Bankers Trust Company of California, N.A. shall be permitted
to resign as Certificate Paying Agent upon 30 days written notice to the Owner
Trustee; provided Bankers Trust Company of California, N.A. is also resigning as
Paying Agent under the Indenture at such time. In the event that Bankers Trust
Company of California, N.A. shall no longer be the Certificate Paying Agent
under this Trust Agreement and Paying Agent under the Indenture, the Owner
Trustee shall appoint a successor to act as Certificate Paying Agent (which
shall be a bank or trust company) and which shall also be the successor Paying
Agent under the Indenture. The Owner Trustee shall cause such successor
Certificate Paying Agent or any additional Certificate Paying Agent appointed by
the Owner Trustee to execute and deliver to the Owner Trustee an instrument to
the effect set forth in this Section 3.10 as it relates to the Certificate
Paying Agent. The Certificate Paying Agent shall return all unclaimed funds to
the Trust and upon removal of a Certificate Paying Agent such Certificate Paying
Agent shall also return all funds in its possession to the Trust. The provisions
of Sections 6.01, 6.03, 6.04 and 7.01 shall apply to the Certificate Paying
Agent to the extent applicable. Any reference in this Agreement to the
Certificate Paying Agent shall include any co-paying agent unless the context
requires otherwise.

         (c) The Certificate Paying Agent shall establish and maintain with
itself a trust account (the "Certificate Distribution Account") in which the
Certificate Paying Agent shall deposit, on the same day as it is received from
the Indenture Trustee, each remittance received by the Certificate Paying Agent
with respect to payments made pursuant to the Indenture. The Certificate Paying
Agent shall make all distributions to Certificates, from moneys on deposit in
the Certificate Distribution Account.





<PAGE>


                                      -13-

                                   ARTICLE IV

                      AUTHORITY AND DUTIES OF OWNER TRUSTEE

         Section 4.01. GENERAL AUTHORITY. The Owner Trustee is authorized and
directed to execute and deliver the Basic Documents to which the Trust is to be
a party and each certificate or other document attached as an exhibit to or
contemplated by the Basic Documents to which the Trust is to be a party and any
amendment or other agreement or instrument described herein, as evidenced
conclusively by the Owner Trustee's execution thereof. In addition to the
foregoing, the Owner Trustee is authorized, but shall not be obligated, except
as otherwise provided in this Trust Agreement, to take all actions required of
the Trust pursuant to the Basic Documents.

         Section 4.02. GENERAL DUTIES. It shall be the duty of the Owner Trustee
to discharge (or cause to be discharged) all of its responsibilities pursuant to
the terms of this Trust Agreement and the Basic Documents to which the Trust is
a party and to administer the Trust in the interest of the Certificateholders,
subject to the Basic Documents and in accordance with the provisions of this
Trust Agreement.

         Section 4.03. ACTION UPON INSTRUCTION.  (a)  Subject to Article IV and
in accordance with the terms of the Basic Documents, the Certificateholders may
by written instruction direct the Owner Trustee in the management of the Trust.
Such direction may be exercised at any time by written instruction of the
Certificateholders pursuant to Article IV.

         (b) Notwithstanding the foregoing, the Owner Trustee shall not be
required to take any action hereunder or under any Basic Document if the Owner
Trustee shall have reasonably determined, or shall have been advised by counsel,
that such action is likely to result in liability on the part of the Owner
Trustee or is contrary to the terms hereof or of any Basic Document or is
otherwise contrary to law.

         (c) Whenever the Owner Trustee is required to decide between
alternative courses of action permitted or required by the terms of this Trust
Agreement or under any Basic Document, or in the event that the Owner Trustee is
unsure as to the application of any provision of this Trust Agreement or any
Basic Document or any such provision is ambiguous as to its application, or is,
or appears to be, in conflict with any other applicable provision, or in the
event that this Trust Agreement permits any determination by the Owner Trustee
or is silent or is incomplete as to the course of action that the Owner Trustee
is required to take with respect to a particular set of facts, the Owner Trustee
shall promptly give notice (in such form as shall be appropriate under the
circumstances) to the Certificateholders requesting instruction as to the course
of action to be adopted, and to the extent the Owner Trustee acts in good faith
in accordance with any written instruction of the Certificateholders, the Owner
Trustee shall not be liable on account of such action to any Person. If the
Owner Trustee shall not have received appropriate instruction within 10 days of
such notice (or within such shorter period of time as reasonably may be
specified in such notice or may be necessary under the circumstances) it may,
but shall be under no duty to, take or refrain from taking such action not
inconsistent with this Trust Agreement or the Basic



<PAGE>


                                      -14-

Documents, as it shall deem to be in the best interests of the
Certificateholders, and the Owner Trustee shall have no liability to any Person
for such action or inaction.

         Section 4.04. NO DUTIES EXCEPT AS SPECIFIED UNDER SPECIFIED DOCUMENTS
OR IN INSTRUCTIONS. The Owner Trustee shall not have any duty or obligation to
manage, make any payment with respect to, register, record, sell, dispose of, or
otherwise deal with the Owner Trust Estate, or to otherwise take or refrain from
taking any action under, or in connection with, any document contemplated hereby
to which the Owner Trustee is a party, except as expressly provided (i) in
accordance with the powers granted to and the authority conferred upon the Owner
Trustee pursuant to this Trust Agreement, (ii) in accordance with the Basic
Documents and (iii) in accordance with any document or instruction delivered to
the Owner Trustee pursuant to Section 4.03; and no implied duties or obligations
shall be read into this Trust Agreement or any Basic Document against the Owner
Trustee. The Owner Trustee shall have no responsibility for filing any financing
or continuation statement in any public office at any time or to otherwise
perfect or maintain the perfection of any security interest or lien granted to
it hereunder or to prepare or file any Securities and Exchange Commission filing
for the Trust or to record this Trust Agreement or any Basic Document. The Owner
Trustee nevertheless agrees that it will, at its own cost and expense, promptly
take all action as may be necessary to discharge any liens on any part of the
Owner Trust Estate that result from actions by, or claims against, the Owner
Trustee that are not related to the ownership or the administration of the Owner
Trust Estate.

         Section 4.05. RESTRICTIONS. (a) The Owner Trustee or the Depositor (or
an Affiliate thereof) shall not take any action (x) that is inconsistent with
the purposes of the Trust set forth in Section 2.03 or (y) that, to the actual
knowledge of the Owner Trustee based on an Opinion of Counsel rendered by a law
firm generally recognized to be qualified to opine concerning the tax aspects of
asset securitization, would result in the Trust becoming taxable as a
corporation for federal income tax purposes. The Certificateholders shall not
direct the Owner Trustee to take action that would violate the provisions of
this Section 4.05.

         (b) The Owner Trustee shall not convey or transfer any of the Trust's
properties or assets, including those included in the Trust Estate, to any
person unless (a) it shall have received an Opinion of Counsel rendered by a law
firm generally recognized to be qualified to opine concerning the tax aspects of
asset securitization to the effect that such transaction will not have any
material adverse tax consequence to the Trust or any Certificateholder and (b)
such conveyance or transfer shall not violate the provisions of Section 3.16(b)
of the Indenture.

         Section 4.06. PRIOR NOTICE TO CERTIFICATEHOLDERS WITH RESPECT TO
CERTAIN MATTERS. With respect to the following matters, the Owner Trustee shall
not take action unless at least 30 days before the taking of such action, the
Owner Trustee shall have notified the Certificateholders in writing of the
proposed action and the Certificateholders shall not have notified the Owner
Trustee



<PAGE>


                                      -15-

in writing prior to the 30th day after such notice is given that such
Certificateholders have withheld consent or provided alternative direction:

         (a) the initiation of any claim or lawsuit by the Trust (except claims
or lawsuits brought in connection with the collection of cash distributions due
and owing under the Mortgage Loans) and the compromise of any action, claim or
lawsuit brought by or against the Trust (except with respect to the
aforementioned claims or lawsuits for collection of cash distributions due and
owing under the Mortgage Loans);

         (b) the election by the Trust to file an amendment to the Certificate
of Trust (unless such amendment is required to be filed under the Business Trust
Statute);

         (c) the amendment of the Indenture by a supplemental indenture in
circumstances where the consent of any Noteholder is required;

         (d) the amendment of the Indenture by a supplemental indenture in
circumstances where the consent of any Noteholder is not required and such
amendment materially adversely affects the interest of the Certificateholders;
and

         (e) the appointment pursuant to the Indenture of a successor Note
Registrar, Paying Agent or Indenture Trustee or pursuant to this Trust Agreement
of a successor Certificate Registrar or Certificate Paying Agent or the consent
to the assignment by the Note Registrar, Paying Agent, Indenture Trustee,
Certificate Registrar or Certificate Paying Agent of its obligations under the
Indenture or this Trust Agreement, as applicable.

         Section 4.07. ACTION BY CERTIFICATEHOLDERS WITH RESPECT TO CERTAIN
MATTERS. The Owner Trustee shall not have the power, except upon the direction
of the Certificateholders, to (a) remove the Master Servicer under the Servicing
Agreement pursuant to Sections 7.01 and 8.05 thereof or (b) except as expressly
provided in the Basic Documents, sell the Mortgage Loans after the termination
of the Indenture. The Owner Trustee shall take the actions referred to in the
preceding sentence only upon written instructions signed by the
Certificateholders.

         Section 4.08. ACTION BY CERTIFICATEHOLDERS WITH RESPECT TO BANKRUPTCY.
The Owner Trustee shall not have the power to commence a voluntary proceeding in
bankruptcy relating to the Trust without the unanimous prior approval of all
Certificateholders and the consent of the the Noteholders and the Owner Trustee
and the delivery to the Owner Trustee by each such Certificateholder of a
certificate certifying that such Certificateholder reasonably believes that the
Trust is insolvent. This paragraph shall survive for one year following
termination of this Trust Agreement.

         Section 4.09. RESTRICTIONS ON CERTIFICATEHOLDERS' POWER.  The 
Certificateholders shall not direct the Owner Trustee to take or to refrain from
taking any action if such action or inaction would be contrary to any obligation
of the Trust or the Owner Trustee under this Trust Agreement



<PAGE>


                                      -16-

or any of the Basic Documents or would be contrary to Section 2.03, nor shall
the Owner Trustee be obligated to follow any such direction, if given.

         Section 4.10. MAJORITY CONTROL. Except as expressly provided herein,
any action that may be taken by the Certificateholders under this Trust
Agreement may be taken by the Holders of Certificates evidencing not less than a
majority of the outstanding Certificate Percentage Interests of the
Certificates. Except as expressly provided herein, any written notice of the
Certificateholders delivered pursuant to this Trust Agreement shall be effective
if signed by Holders of Certificates evidencing not less than a majority of the
outstanding Certificate Principal Balance of the Certificates at the time of the
delivery of such notice.

         Section 4.11. OPTIONAL REDEMPTION. Upon receipt of written instructions
provided to the Owner Trustee by the Holder or Holders of 100% of the
Certificates, the Owner Trustee shall cause the Issuer to redeem the Notes in
accordance with Section 8.07 of the Indenture and shall provide all necessary
notices on behalf of the Issuer to effect the foregoing, provided that such
Holder or Holders shall deposit with the Indenture Trustee an amount equal to
the aggregate redemption price specified under Section 8.07 of the Indenture,
which shall be applied by the Indenture Trustee solely to make such redemption
payments. The Owner Trustee shall not have the power to exercise the right of
the Issuer to redeem the Notes pursuant to Section 8.07 of the Indenture, except
as provided above.




<PAGE>


                                      -17-

                                    ARTICLE V

                           APPLICATION OF TRUST FUNDS

         Section 5.01. DISTRIBUTIONS. (a) On each Payment Date, the Certificate
Paying Agent shall distribute to the Certificateholders, on a pro rata basis
based on the Certificate Percentage Interests thereof, all funds on deposit in
the Certificate Distribution Account and available therefor (as provided in
Section 3.05 of the Indenture) for such Payment Date as reduced by any amount
owing to the Owner Trustee hereunder and any Expenses of the Trust remaining
unpaid.

         (b) In the event that any withholding tax is imposed on the
distributions (or allocations of income) to a Certificateholder, such tax shall
reduce the amount otherwise distributable to the Certificateholder in accordance
with this Section 5.01. The Certificate Paying Agent is hereby authorized and
directed to retain or cause to be retained from amounts otherwise distributable
to the Certificateholders sufficient funds for the payment of any tax that is
legally owed by the Trust (but such authorization shall not prevent the Owner
Trustee from contesting any such tax in appropriate proceedings, and withholding
payment of such tax, if permitted by law, pending the outcome of such
proceedings). The amount of any withholding tax imposed with respect to a
Certificateholder shall be treated as cash distributed to such Certificateholder
at the time it is withheld by the Certificate Paying Agent and remitted to the
appropriate taxing authority. If there is a possibility that withholding tax is
payable with respect to a distribution (such as a distribution to a non-U.S.
Certificateholder), the Certificate Paying Agent may in its sole discretion
withhold such amounts in accordance with this paragraph (b).

         (c) Distributions to Certificateholders shall be subordinated to the
creditors of the Trust, including the Noteholders.

         Section 5.02. METHOD OF PAYMENT. Subject to Section 8.01(c),
distributions required to be made to Certificateholders on any Payment Date as
provided in Section 5.01 shall be made to each Certificateholder of record on
the preceding Record Date either by, in the case of any Certificateholder owning
Certificates having a Certificate Percentage Interest of 100%, wire transfer, in
immediately available funds, to the account of such Holder at a bank or other
entity having appropriate facilities therefor, if such Certificateholder shall
have provided to the Certificate Registrar appropriate written instructions at
least five Business Days prior to such Payment Date or, if not, by check mailed
to such Certificateholder at the address of such Holder appearing in the
Certificate Register.

         Section 5.03. TAX RETURNS. The Master Servicer shall (a) maintain (or
cause to be maintained) the books of the Trust on a calendar year basis using
the accrual method of accounting, (b) deliver (or cause to be delivered) to each
Certificateholder as may be required by the Code and applicable Treasury
Regulations, such information as may be required to enable each
Certificateholder to prepare its federal and state income tax returns, (c)
prepare and file or cause to be prepared and filed such tax returns relating to
the Trust as may be required by the Code and applicable Treasury Regulations
(making such elections as may from time to time be required or



<PAGE>


                                      -18-

appropriate under any applicable state or federal statutes, rules or
regulations) and (d) collect or cause to be collected any withholding tax as
described in and in accordance with Section 5.01 of this Trust Agreement with
respect to income or distributions to Certificateholders and prepare or cause to
be prepared the appropriate forms relating thereto. The Owner Trustee shall sign
all tax and information returns prepared or caused to be prepared by the Master
Servicer pursuant to this Section 5.03 at the request of the Master Servicer,
and in doing so shall rely entirely upon, and shall have no liability for
information or calculations provided by, the Master Servicer.

         Section 5.04. STATEMENTS TO CERTIFICATEHOLDERS. On each Payment Date,
the Certificate Paying Agent shall send to each Certificateholder the statement
or statements provided to the Owner Trustee and the Certificate Paying Agent by
the Indenture Trustee pursuant to Section 7.05 of the Indenture with respect to
such Payment Date.




<PAGE>


                                      -19-

                                   ARTICLE VI

                          CONCERNING THE OWNER TRUSTEE

         Section 6.01. ACCEPTANCE OF TRUSTS AND DUTIES. The Owner Trustee
accepts the trusts hereby created and agrees to perform its duties hereunder
with respect to such trusts but only upon the terms of this Trust Agreement. The
Owner Trustee and the Certificate Paying Agent also agree to disburse all moneys
actually received by it constituting part of the Owner Trust Estate upon the
terms of the Basic Documents and this Trust Agreement. The Owner Trustee shall
not be answerable or accountable hereunder or under any Basic Document under any
circumstances, except (i) for its own willful misconduct, gross negligence or
bad faith or grossly negligent failure to act or (ii) in the case of the
inaccuracy of any representation or warranty contained in Section 6.03 expressly
made by the Owner Trustee. In particular, but not by way of limitation (and
subject to the exceptions set forth in the preceding sentence):

         (a) The Owner Trustee shall not be liable with respect to any action
taken or omitted to be taken by it in accordance with the instructions of the
Certificateholders permitted under this Trust Agreement;

         (b) No provision of this Trust Agreement or any Basic Document shall
require the Owner Trustee to expend or risk funds or otherwise incur any
financial liability in the performance of any of its rights, duties or powers
hereunder or under any Basic Document if the Owner Trustee shall have reasonable
grounds for believing that repayment of such funds or adequate indemnity against
such risk or liability is not reasonably assured or provided to it;

         (c) Under no circumstances shall the Owner Trustee be liable for
indebtedness evidenced by or arising under any of the Basic Documents, including
the principal of and interest on the Notes;

         (d) The Owner Trustee shall not be responsible for or in respect of the
validity or sufficiency of this Trust Agreement or for the due execution hereof
by the Depositor or for the form, character, genuineness, sufficiency, value or
validity of any of the Owner Trust Estate, or for or in respect of the validity
or sufficiency of the Basic Documents, the Notes, the Certificates, other than
the certificate of authentication on the Certificates, if executed by the Owner
Trustee and the Owner Trustee shall in no event assume or incur any liability,
duty, or obligation to any Noteholder or to any Certificateholder, other than as
expressly provided for herein or expressly agreed to in the Basic Documents;

         (e) The execution, delivery, authentication and performance by it of
this Trust Agreement will not require the authorization, consent or approval of,
the giving of notice to, the filing or registration with, or the taking of any
other action with respect to, any governmental authority or agency;




<PAGE>


                                      -20-

         (f) The Owner Trustee shall not be liable for the default or misconduct
of the Depositor, Indenture Trustee, Certificate Registrar or the Master
Servicer under any of the Basic Documents or otherwise and the Owner Trustee
shall have no obligation or liability to perform the obligations of the Trust
under this Trust Agreement or the Basic Documents that are required to be
performed by the Indenture Trustee under the Indenture or the Seller under the
Mortgage Loan Purchase Agreement; and

         (g) The Owner Trustee shall be under no obligation to exercise any of
the rights or powers vested in it or duties imposed by this Trust Agreement, or
to institute, conduct or defend any litigation under this Trust Agreement or
otherwise or in relation to this Trust Agreement or any Basic Document, at the
request, order or direction of any of the Certificateholders, unless such
Certificateholders have offered to the Owner Trustee security or indemnity
satisfactory to it against the costs, expenses and liabilities that may be
incurred by the Owner Trustee therein or thereby. The right of the Owner Trustee
to perform any discretionary act enumerated in this Trust Agreement or in any
Basic Document shall not be construed as a duty, and the Owner Trustee shall not
be answerable for other than its gross negligence or willful misconduct in the
performance of any such act.

         Section 6.02. FURNISHING OF DOCUMENTS. The Owner Trustee shall furnish
to the Securityholders promptly upon receipt of a written reasonable request
therefor, duplicates or copies of all reports, notices, requests, demands,
certificates, financial statements and any other instruments furnished to the
Trust under the Basic Documents.

         Section 6.03. REPRESENTATIONS AND WARRANTIES.  The Owner Trustee hereby
represents and warrants to the Depositor, for the benefit of the
Certificateholders, that:

         (a) It is a banking corporation duly organized and validly existing in
good standing under the laws of the State of Delaware. It has all requisite
corporate power and authority to execute, deliver and perform its obligations
under this Trust Agreement;

         (b) It has taken all corporate action necessary to authorize the
execution and delivery by it of this Trust Agreement, and this Trust Agreement
will be executed and delivered by one of its officers who is duly authorized to
execute and deliver this Trust Agreement on its behalf;

         (c) Neither the execution nor the delivery by it of this Trust
Agreement, nor the consummation by it of the transactions contemplated hereby
nor compliance by it with any of the terms or provisions hereof will contravene
any federal or Delaware law, governmental rule or regulation governing the
banking or trust powers of the Owner Trustee or any judgment or order binding on
it, or constitute any default under its charter documents or bylaws or any
indenture, mortgage, contract, agreement or instrument to which it is a party or
by which any of its properties may be bound;

         (d) This Trust Agreement, assuming due authorization, execution and
delivery by the Owner Trustee and the Depositor, constitutes a valid, legal and
binding obligation of the Owner



<PAGE>


                                      -21-

Trustee, enforceable against it in accordance with the terms hereof subject to
applicable bankruptcy, insolvency, reorganization, moratorium and other laws
affecting the enforcement of creditors' rights generally and to general
principles of equity, regardless of whether such enforcement is considered in a
proceeding in equity or at law;

         (e) The Owner Trustee is not in default with respect to any order or
decree of any court or any order, regulation or demand of any Federal, state,
municipal or governmental agency, which default might have consequences that
would materially and adversely affect the condition (financial or other) or
operations of the Owner Trustee or its properties or might have consequences
that would materially adversely affect its performance hereunder; and

         (f) No litigation is pending or, to the best of the Owner Trustee's
knowledge, threatened against the Owner Trustee which would prohibit its
entering into this Trust Agreement or performing its obligations under this
Trust Agreement.

         Section 6.04. RELIANCE; ADVICE OF COUNSEL. (a) The Owner Trustee shall
incur no liability to anyone in acting upon any signature, instrument, notice,
resolution, request, consent, order, certificate, report, opinion, note, or
other document or paper believed by it to be genuine and believed by it to be
signed by the proper party or parties. The Owner Trustee may accept a certified
copy of a resolution of the board of directors or other governing body of any
corporate party as conclusive evidence that such resolution has been duly
adopted by such body and that the same is in full force and effect. As to any
fact or matter the method of determination of which is not specifically
prescribed herein, the Owner Trustee may for all purposes hereof rely on a
certificate, signed by the president or any vice president or by the treasurer
or other authorized officers of the relevant party, as to such fact or matter
and such certificate shall constitute full protection to the Owner Trustee for
any action taken or omitted to be taken by it in good faith in reliance thereon.

         (b) In the exercise or administration of the Trust hereunder and in the
performance of its duties and obligations under this Trust Agreement or the
Basic Documents, the Owner Trustee (i) may act directly or through its agents,
attorneys, custodians or nominees (including persons acting under a power of
attorney) pursuant to agreements entered into with any of them, and the Owner
Trustee shall not be liable for the conduct or misconduct of such agents,
attorneys , custodians or nominees (including persons acting under a power of
attorney) if such persons have been selected by the Owner Trustee with
reasonable care, and (ii) may consult with counsel, accountants and other
skilled persons to be selected with reasonable care and employed by it. The
Owner Trustee shall not be liable for anything done, suffered or omitted in good
faith by it in accordance with the written opinion or advice of any such
counsel, accountants or other such Persons and not contrary to this Trust
Agreement or any Basic Document.

         Section 6.05. NOT ACTING IN INDIVIDUAL CAPACITY.  Except as provided
in this Article VI, in accepting the trusts hereby created Wilmington Trust
Company acts solely as Owner Trustee hereunder and not in its individual
capacity, and all Persons having any claim against the Owner



<PAGE>


                                      -22-

Trustee by reason of the transactions contemplated by this Trust Agreement or
any Basic Document shall look only to the Owner Trust Estate for payment or
satisfaction thereof.

         Section 6.06. OWNER TRUSTEE NOT LIABLE FOR CERTIFICATES OR RELATED
DOCUMENTS. The recitals contained herein and in the Certificates (other than the
signatures of the Owner Trustee on the Certificates) shall be taken as the
statements of the Depositor, and the Owner Trustee assumes no responsibility for
the correctness thereof. The Owner Trustee makes no representations as to the
validity or sufficiency of this Trust Agreement, of any Basic Document or of the
Certificates (other than the signatures of the Owner Trustee on the
Certificates) or the Notes, or of any Related Documents. The Owner Trustee shall
at no time have any responsibility or liability with respect to the sufficiency
of the Owner Trust Estate or its ability to generate the payments to be
distributed to Certificateholders under this Trust Agreement or the Noteholders
under the Indenture, including compliance by the Depositor or the Seller with
any warranty or representation made under any Basic Document or in any related
document or the accuracy of any such warranty or representation, or any action
of the Certificate Paying Agent, the Certificate Registrar or the Indenture
Trustee taken in the name of the Owner Trustee.

         Section 6.07. OWNER TRUSTEE MAY OWN CERTIFICATES AND NOTES. The Owner
Trustee in its individual or any other capacity may, subject to Section 3.05,
become the owner or pledgee of Certificates or Notes and may deal with the
Depositor, the Seller, the Certificate Paying Agent, the Certificate Registrar
and the Indenture Trustee in transactions with the same rights as it would have
if it were not Owner Trustee.

         Section 6.08. PAYMENTS FROM OWNER TRUST ESTATE. All payments to be made
by the Owner Trustee under this Trust Agreement or any of the Basic Documents to
which the Owner Trustee is a party shall be made only from the income and
proceeds of the Owner Trust Estate or from other amounts required to be provided
by the Certificateholders and only to the extent that the Owner Trust shall have
received income or proceeds from the Owner Trust Estate or the
Certificateholders to make such payments in accordance with the terms hereof.
Wilmington Trust Company, in its individual capacity, shall not be liable for
any amounts payable under this Trust Agreement or any of the Basic Documents to
which the Owner Trustee is a party.

         Section 6.09. DOING BUSINESS IN OTHER JURISDICTIONS. Notwithstanding
anything contained herein to the contrary, neither Wilmington Trust Company nor
the Owner Trustee shall be required to take any action in any jurisdiction other
than in the State of Delaware if the taking of such action will, even after the
appointment of a co-trustee or separate trustee in accordance with Section 9.05
hereof, (i) require the consent or approval or authorization or order of or the
giving of notice to, or the registration with or the taking of any other action
in respect of, any state or other governmental authority or agency of any
jurisdiction other than the State of Delaware; (ii) result in any fee, tax or
other governmental charge under the laws of the State of Delaware becoming
payable by Wilmington Trust Company; or (iii) subject Wilmington Trust Company
to personal jurisdiction in any jurisdiction other than the State of Delaware
for causes of action arising from acts unrelated to the consummation of the
transactions by Wilmington Trust Company or the Owner Trustee, as the case may
be, contemplated hereby.



<PAGE>


                                      -23-

         Section 6.10. LIABILITY OF CERTIFICATE REGISTRAR AND CERTIFICATE PAYING
AGENT. All provisions affording protection to or limiting the liability of the
Owner Trustee shall inure as well to the Certificate Registrar and Certificate
Paying Agent.



<PAGE>


                                      -24-

                                   ARTICLE VII

                          COMPENSATION OF OWNER TRUSTEE

         Section 7.01. OWNER TRUSTEE'S FEES AND EXPENSES. The Owner Trustee
shall receive as compensation for its services hereunder such fees as have been
separately agreed upon before the date hereof, and the Owner Trustee shall be
reimbursed by the Depositor or the Master Servicer for its reasonable expenses
hereunder and under the Basic Documents, including the reasonable compensation,
expenses and disbursements of such agents, representatives, experts and counsel
as the Owner Trustee may reasonably employ in connection with the exercise and
performance of its rights and its duties hereunder and under the Basic
Documents. The amount of the Owner Trustee Fee shall be paid by the Master
Servicer pursuant to Section 3.07(a)(x) of the Servicing Agreement and Section
2.11 hereof, and all amounts owing to the Owner Trustee hereunder in excess of
such amount shall be paid pursuant to a separate side agreement or as provided
in Section 5.01 hereof.

         Section 7.02. INDEMNIFICATION. The Depositor shall indemnify, defend
and hold harmless the Owner Trustee and the Certificate Paying Agent, solely in
its capacity as Certificate Paying Agent, and their respective successors,
assigns, agents and servants (collectively, the "Indemnified Parties") from and
against, any and all liabilities, obligations, losses, damages, taxes, claims,
actions and suits, and any and all reasonable costs, expenses and disbursements
(including reason able legal fees and expenses) of any kind and nature
whatsoever (collectively, "Expenses") which may at any time be imposed on,
incurred by, or asserted against any Indemnified Party in any way relating to or
arising out of this Trust Agreement, the Basic Documents, the Owner Trust
Estate, the administration of the Owner Trust Estate or the action or inaction
of the Owner Trustee and the Certificate Paying Agent, solely in its capacity as
Certificate Paying Agent, hereunder, provided, that:

                         (i) the Depositor shall not be liable for or required
         to indemnify an Indemnified Party from and against Expenses arising or
         resulting from the Owner Trustee's or the Certificate Paying Agent's
         willful misconduct, gross negligence or bad faith or as a result of any
         inaccuracy of a representation or warranty of the Owner Trustee
         contained in Section 6.03 expressly made by the Owner Trustee;

                        (ii) with respect to any such claim, the Indemnified
         Party shall have given the Depositor written notice thereof promptly
         after the Indemnified Party shall have actual knowledge thereof;

                       (iii) while maintaining control over its own defense, the
         Depositor shall consult with the Indemnified Party in preparing such
         defense; and

                        (iv) notwithstanding anything in this Agreement to the
         contrary, the Depositor shall not be liable for settlement of any claim
         by an Indemnified Party entered into without the prior consent of the
         Depositor which consent shall not be unreasonably withheld.



<PAGE>


                                      -25-

         The indemnities contained in this Section shall survive the resignation
or termination of the Owner Trustee or the Certificate Paying Agent or the
termination of this Trust Agreement. In the event of any claim, action or
proceeding for which indemnity will be sought pursuant to this Section 7.02, the
Owner Trustee's or the Certificate Paying Agent's choice of legal counsel, if
other than the legal counsel retained by the Owner Trustee or the Certificate
Paying Agent in connection with the execution and delivery of this Trust
Agreement, shall be subject to the approval of the Depositor, which approval
shall not be unreasonably withheld. In addition, upon written notice to the
Owner Trustee or the Certificate Paying Agent and with the consent of the Owner
Trustee or the Certificate Paying Agent which consent shall not be unreasonably
withheld, the Depositor has the right to assume the defense of any claim, action
or proceeding against the Owner Trustee or the Certificate Paying Agent.



<PAGE>


                                      -26-

                                  ARTICLE VIII

                         TERMINATION OF TRUST AGREEMENT

         Section 8.01. TERMINATION OF TRUST AGREEMENT. (a) This Trust Agreement
(other than Article VII) and the Trust shall terminate and be of no further
force or effect upon the earliest of (i) the final distribution of all moneys or
other property or proceeds of the Owner Trust Estate in accordance with the
terms of the Indenture and this Trust Agreement, (ii) the Payment Date in June
2028, or (iii) the distribution of all of the assets of the Owner Trust Estate,
in accordance with written instructions provided to the Owner Trustee by Holders
of 100% of the Certificates, following the optional redemption of the Notes by
the Issuer pursuant to Section 8.07 of the Indenture; provided in each case that
all amounts owing to the Noteholders to the extent payable from the Owner Trust
Estate or proceeds thereof have been paid in full and that all obligations under
the Indenture have been discharged. The bankruptcy, liquidation, dissolution,
death or incapacity of any Certificateholder shall not (x) operate to terminate
this Trust Agreement or the Trust or (y) entitle such Certificateholder's legal
representatives or heirs to claim an accounting or to take any action or
proceeding in any court for a partition or winding up of all or any part of the
Trust or the Owner Trust Estate or (z) otherwise affect the rights, obligations
and liabilities of the parties hereto.

         (b) Except as provided in Section 8.01(a), neither the Depositor nor
any Certificateholder shall be entitled to revoke or terminate the Trust.

         (c) Notice of any termination of the Trust, specifying the Payment Date
upon which Certificateholders shall surrender their Certificates to the
Certificate Paying Agent for payment of the final distribution and cancellation,
shall be given by the Certificate Paying Agent by letter to Certificateholders
mailed within five Business Days of receipt of notice of the final payment on
the Notes from the Indenture Trustee, stating (i) the Payment Date upon or with
respect to which final payment of the Certificates shall be made upon
presentation and surrender of the Certificates at the office of the Certificate
Paying Agent therein designated, (ii) the amount of any such final payment and
(iii) that the Record Date otherwise applicable to such Payment Date is not
applicable, payments being made only upon presentation and surrender of the
Certificates at the office of the Certificate Payment Agent therein specified.
The Certificate Paying Agent shall give such notice to the Owner Trustee and the
Certificate Registrar at the time such notice is given to Certificateholders.
Upon presentation and surrender of the Certificates, the Certificate Paying
Agent shall cause to be distributed to Certificateholders amounts distributable
on such Payment Date pursuant to Section 5.01.

         In the event that all of the Certificateholders shall not surrender
their Certificates for cancellation within six months after the date specified
in the above mentioned written notice, the Certificate Paying Agent shall give a
second written notice to the remaining Certificateholders to surrender their
Certificates for cancellation and receive the final distribution with respect
thereto. Subject to applicable laws with respect to escheat of funds, if within
one year following the Payment Date on which final payment of the Certificates
was to have been made pursuant to



<PAGE>


                                      -27-

Section 3.03 of the Indenture, all the Certificates shall not have been
surrendered for cancellation, the Certificate Paying Agent may take appropriate
steps, or may appoint an agent to take appropriate steps, to contact the
remaining Certificateholders concerning surrender of their Certif icates, and
the cost thereof shall be paid out of the funds and other assets that shall
remain subject to this Trust Agreement. Any funds remaining in the Certificate
Distribution Account after exhaustion of such remedies shall be distributed by
the Certificate Paying Agent to the Holder of the Certificate.

         (d) Upon the winding up of the Trust and its termination, the Owner
Trustee shall cause the Certificate of Trust to be cancelled by filing a
certificate of cancellation with the Secretary of State in accordance with the
provisions of Section 3810(c) of the Business Trust Statute.



<PAGE>


                                      -28-

                                   ARTICLE IX

             SUCCESSOR OWNER TRUSTEES AND ADDITIONAL OWNER TRUSTEES

         Section 9.01. ELIGIBILITY REQUIREMENTS FOR OWNER TRUSTEE. The Owner
Trustee shall at all times be a corporation satisfying the provisions of Section
3807(a) of the Business Trust Statute; authorized to exercise corporate trust
powers; having a combined capital and surplus of at least $50,000,000 and
subject to supervision or examination by federal or state authorities; and
having (or having a parent that has) a rating of at least Baa3 or is otherwise
acceptable to Moody's. If such corporation shall publish reports of condition at
least annually pursuant to law or to the requirements of the aforesaid
supervising or examining authority, then for the purpose of this Section, the
combined capital and surplus of such corporation shall be deemed to be its
combined capital and surplus as set forth in its most recent report of condition
so published. In case at any time the Owner Trustee shall cease to be eligible
in accordance with the provisions of this Section 9.01, the Owner Trustee shall
resign immediately in the manner and with the effect specified in Section 9.02.

         Section 9.02. REPLACEMENT OF OWNER TRUSTEE. The Owner Trustee may at
any time resign and be discharged from the trusts hereby created by giving 30
days prior written notice thereof to the Depositor. Upon receiving such notice
of resignation, the Depositor shall promptly appoint a successor Owner Trustee,
by written instrument, in duplicate, one copy of which instrument shall be
delivered to the resigning Owner Trustee and to the successor Owner Trustee. If
no successor Owner Trustee shall have been so appointed and have accepted
appointment within 30 days after the giving of such notice of resignation, the
resigning Owner Trustee may petition any court of competent jurisdiction for the
appointment of a successor Owner Trustee.

         If at any time the Owner Trustee shall cease to be eligible in
accordance with the provisions of Section 9.01 and shall fail to resign after
written request therefor by the Depositor, or if at any time the Owner Trustee
shall be legally unable to act, or shall be adjudged bankrupt or insolvent, or a
receiver of the Owner Trustee or of its property shall be appointed, or any
public officer shall take charge or control of the Owner Trustee or of its
property or affairs for the purpose of rehabilitation, conservation or
liquidation, then the Depositor may remove the Owner Trustee.

         Any resignation or removal of the Owner Trustee and appointment of a
successor Owner Trustee pursuant to any of the provisions of this Section shall
not become effective until accep tance of appointment by the successor Owner
Trustee pursuant to Section 9.03 and payment of all fees and expenses owed to
the outgoing Owner Trustee. The Master Servicer shall provide notice of such
resignation or removal of the Owner Trustee to each of the Rating Agencies.

         Section 9.03. SUCCESSOR OWNER TRUSTEE. Any successor Owner Trustee
appointed pursuant to Section 9.02 shall execute, acknowledge and deliver to the
Indenture Trustee and to its predecessor Owner Trustee an instrument accepting
such appointment under this Trust Agreement, and thereupon the resignation or
removal of the predecessor Owner Trustee shall become effective, and such
successor Owner Trustee, without any further act, deed or conveyance,



<PAGE>


                                      -29-

shall become fully vested with all the rights, powers, duties and obligations of
its predecessor under this Trust Agreement, with like effect as if originally
named as Owner Trustee. The predecessor Owner Trustee shall upon payment of its
fees and expenses deliver to the successor Owner Trustee all documents and
statements and monies held by it under this Trust Agreement; and the predecessor
Owner Trustee shall execute and deliver such instruments and do such other
things as may reasonably be required for fully and certainly vesting and
confirming in the successor Owner Trustee all such rights, powers, duties and
obligations.

         No successor Owner Trustee shall accept appointment as provided in this
Section 9.03 unless at the time of such acceptance such successor Owner Trustee
shall be eligible pursuant to Section 9.01.

         Upon acceptance of appointment by a successor Owner Trustee pursuant to
this Section 9.03, the Owner Trustee shall mail notice thereof to all
Certificateholders, the Indenture Trustee, the Noteholders and the Rating
Agencies.

         Section 9.04. MERGER OR CONSOLIDATION OF OWNER TRUSTEE. Any Person into
which the Owner Trustee may be merged or converted or with which it may be
consolidated, or any Person resulting from any merger, conversion or
consolidation to which the Owner Trustee shall be a party, or any Person
succeeding to all or substantially all of the corporate trust business of the
Owner Trustee, shall be the successor of the Owner Trustee hereunder, without
the execution or filing of any instrument or any further act on the part of any
of the parties hereto, anything herein to the contrary notwithstanding;
provided, that such Person shall be eligible pursuant to Section 9.01 and,
provided, further, that the Owner Trustee shall mail notice of such merger or
consolidation to the Rating Agencies.

         Section 9.05. APPOINTMENT OF CO-TRUSTEE OR SEPARATE TRUSTEE.
Notwithstanding any other provisions of this Trust Agreement, at any time, for
the purpose of meeting any legal requirements of any jurisdiction in which any
part of the Owner Trust Estate may at the time be located, the Owner Trustee
shall have the power and shall execute and deliver all instruments to appoint
one or more Persons to act as co-trustee, jointly with the Owner Trustee, or as
separate trustee or trustees, of all or any part of the Owner Trust Estate, and
to vest in such Person, in such capacity, such title to the Trust or any part
thereof and, subject to the other provisions of this Section, such powers,
duties, obligations, rights and trusts as the Owner Trustee may consider
necessary or desirable. No co-trustee or separate trustee under this Trust
Agreement shall be required to meet the terms of eligibility as a successor
Owner Trustee pursuant to Section 9.01 and no notice of the appointment of any
co-trustee or separate trustee shall be required pursuant to Section 9.03.

         Each separate trustee and co-trustee shall, to the extent permitted by
law, be appointed and act subject to the following provisions and conditions:

         (a) All rights, powers, duties and obligations conferred or imposed
upon the Owner Trustee shall be conferred upon and exercised or performed by the
Owner Trustee and such separate trustee or co-trustee jointly (it being
understood that such separate trustee or co-trustee



<PAGE>


                                      -30-

is not authorized to act separately without the Owner Trustee joining in such
act), except to the extent that under any law of any jurisdiction in which any
particular act or acts are to be performed, the Owner Trustee shall be
incompetent or unqualified to perform such act or acts, in which event such
rights, powers, duties and obligations (including the holding of title to the
Owner Trust Estate or any portion thereof in any such jurisdiction) shall be
exercised and performed singly by such separate trustee or co-trustee, but
solely at the direction of the Owner Trustee;

         (b) No trustee under this Trust Agreement shall be personally liable by
reason of any act or omission of any other trustee under this Trust Agreement;
and

         (c) The Owner Trustee may at any time accept the resignation of or
remove any separate trustee or co-trustee.

         Any notice, request or other writing given to the Owner Trustee shall
be deemed to have been given to each of the then separate trustees and
co-trustees, as effectively as if given to each of them. Every instrument
appointing any separate trustee or co-trustee shall refer to this Trust
Agreement and the conditions of this Article. Each separate trustee and
co-trustee, upon its acceptance of the trusts conferred, shall be vested with
the estates or property specified in its instrument of appointment, either
jointly with the Owner Trustee or separately, as may be provided therein,
subject to all the provisions of this Trust Agreement, specifically including
every provision of this Trust Agreement relating to the conduct of, affecting
the liability of, or affording protection to, the Owner Trustee. Each such
instrument shall be filed with the Owner Trustee.

         Any separate trustee or co-trustee may at any time appoint the Owner
Trustee as its agent or attorney-in-fact with full power and authority, to the
extent not prohibited by law, to do any lawful act under or in respect of this
Trust Agreement on its behalf and in its name. If any separate trustee or
co-trustee shall die, become incapable of acting, resign or be removed, all of
its estates, properties, rights, remedies and trusts shall vest in and be
exercised by the Owner Trustee, to the extent permitted by law, without the
appointment of a new or successor co-trustee or separate trustee.




<PAGE>


                                      -31-

                                    ARTICLE X

                                  MISCELLANEOUS

         Section 10.01. AMENDMENTS. (a) This Trust Agreement may be amended from
time to time by the parties hereto as specified in this Section, provided that
any amendment, except as provided in subparagraph (e) below, be accompanied by
an Opinion of Counsel addressed to the Owner Trustee and obtained by the Master
Servicer to the effect that such amendment (i) complies with the provisions of
this Section and (ii) would not cause the Trust (if Impac Secured Assets Corp.
was not the Holder of 100% of the Certificates) to be subject to an entity level
tax for federal income tax purposes.

         (b) If the purpose of the amendment (as detailed therein) is to correct
any mistake, eliminate any inconsistency, cure any ambiguity or deal with any
matter not covered (i.e. to give effect to the intent of the parties and, if
applicable, to the expectations of the Holders), it shall not be necessary to
obtain the consent of any Holders, but the Owner Trustee shall be furnished with
(A) a letter from the Rating Agencies that the amendment will not result in the
downgrading or withdrawal of the rating then assigned to any Note or the rating
then assigned to any Note or (B) an Opinion of Counsel obtained by the Master
Servicer to the effect that such action will not adversely affect in any
material respect the interests of any Holders.

         (c) If the purpose of the amendment is to prevent the imposition of any
federal or state taxes at any time that any Security is outstanding, it shall
not be necessary to obtain the consent of any Holder, but the Owner Trustee
shall be furnished with an Opinion of Counsel obtained by the Master Servicer
that such amendment is necessary or helpful to prevent the imposition of such
taxes and is not materially adverse to any Holder.

         (d) If the purpose of the amendment is to add or eliminate or change
any provision of the Trust Agreement other than as contemplated in (b) and (c)
above, the amendment shall require (A) an Opinion of Counsel obtained by the
Master Servicer to the effect that such action will not adversely affect in any
material respect the interests of any Holders and (B) either (a) a letter from
the Rating Agency that the amendment will not result in the downgrading or
withdrawal of the rating then assigned to any Note or the rating then assigned
to any Note or (b) the consent of Holders of Certificates evidencing a majority
of the Certificate Principal Balance of the Certificates and the Indenture
Trustee; provided, however, that no such amendment shall (i) reduce in any
manner the amount of, or delay the timing of, payments received that are
required to be distributed on any Certificate without the consent of the related
Certificateholder, or (ii) reduce the aforesaid percentage of Certificates the
Holders of which are required to consent to any such amendment, without the
consent of the Holders of all such Certificates then outstanding.

         (e) If the purpose of the amendment is to provide for the holding of
any of the Certificates in book-entry form, it shall require the consent of
Holders of all such Certificates then outstanding; provided, that the Opinion of
Counsel specified in subparagraph (a) above shall not be required.



<PAGE>


                                      -32-

         (f) If the purpose of the amendment is to provide for the issuance of
additional certificates representing an interest in the Trust, it shall not be
necessary to obtain the consent of any Holder, but the Owner Trustee shall be
furnished with (A) an Opinion of Counsel obtained by the Master Servicer to the
effect that such action will not adversely affect in any material respect the
interests of any Holders and (B) a letter from the Rating Agencies that the
amendment will not result in the downgrading or withdrawal of the rating then
assigned to any Notes or the rating then assigned to the Notes.

         (g) Promptly after the execution of any such amendment or consent, the
Master Servicer shall furnish written notification of the substance of such
amendment or consent to each Certificateholder, the Indenture Trustee and each
of the Rating Agencies. It shall not be necessary for the consent of
Certificateholders or the Indenture Trustee pursuant to this Section 10.01 to
approve the particular form of any proposed amendment or consent, but it shall
be sufficient if such consent shall approve the substance thereof. The manner of
obtaining such consents (and any other consents of Certificateholders provided
for in this Trust Agreement or in any other Basic Document) and of evidencing
the authorization of the execution thereof by Certificateholders shall be
subject to such reasonable requirements as the Owner Trustee may prescribe.

         (h) In connection with the execution of any amendment to any agreement
to which the Trust is a party, other than this Trust Agreement, the Owner
Trustee shall be entitled to receive and conclusively rely upon an Opinion of
Counsel to the effect that such amendment is authorized or permitted by the
documents subject to such amendment and that all conditions precedent in the
Basic Documents for the execution and delivery thereof by the Trust or the Owner
Trustee, as the case may be, have been satisfied.

         Promptly after the execution of any amendment to the Certificate of
Trust, the Owner Trustee shall cause the filing of such amendment with the
Secretary of State of the State of Delaware.

         Section 10.02. NO LEGAL TITLE TO OWNER TRUST ESTATE. The
Certificateholders shall not have legal title to any part of the Owner Trust
Estate solely by virtue of their status as a Certificateholder. The
Certificateholders shall be entitled to receive distributions with respect to
their undivided beneficial interest therein only in accordance with Articles V
and VIII. No transfer, by operation of law or otherwise, of any right, title or
interest of the Certificateholders to and in their ownership interest in the
Owner Trust Estate shall operate to terminate this Trust Agreement or the trusts
hereunder or entitle any transferee to an accounting or to the transfer to it of
legal title to any part of the Owner Trust Estate

         Section 10.03. LIMITATIONS ON RIGHTS OF OTHERS. Except for Section
2.07, the provisions of this Trust Agreement are solely for the benefit of the
Owner Trustee, the Depositor, the Certificateholders, and, to the extent
expressly provided herein, the Indenture Trustee and the Noteholders, and
nothing in this Trust Agreement (other than Section 2.07), whether express or
implied, shall be construed to give to any other Person any legal or equitable
right, remedy or



<PAGE>


                                      -33-

claim in the Owner Trust Estate or under or in respect of this Trust Agreement
or any covenants, conditions or provisions contained herein.

         Section 10.04.    NOTICES.  (a)  Unless otherwise expressly specified
or permitted by the terms hereof, all notices shall be in writing and shall be
deemed given upon receipt, to the Owner Trustee at: Wilmington Trust Company,
Rodney Square North, 1100 North Market Street, Wilmington, Delaware 19890;
Attention: Corporate Trust Administration; to the Depositor at: Impac Secured
Assets Corp., 20371 Irvine Avenue, Santa Ana Heights, California 92707;
Attention: Richard Johnson; to the Indenture Trustee and the Certificate Paying
Agent at: 3 Park Plaza, 16th Floor, Irvine, California 92614; Attention: Impac
Secured Assets CMN Trust Series 1998-1 ; to Moody's at: 99 Church Street, New
York, New York 10007; Attention: Residential Mortgage Monitoring Unit; to Fitch
at One State Street Plaza, 33rd Floor, New York, NY 10004; or, as to each party,
at such other address as shall be designated by such party in a written notice
to each other party.

         (b) Any notice required or permitted to be given to a Certificateholder
shall be given by first-class mail, postage prepaid, at the address of such
Holder as shown in the Certificate Register. Any notice so mailed within the
time prescribed in this Trust Agreement shall be conclusively presumed to have
been duly given, whether or not the Certificateholder receives such notice.

         (c) A copy of any notice delivered to the Owner Trustee or the Trust
shall also be delivered to the Depositor.

         Section 10.05. SEVERABILITY. Any provision of this Trust Agreement that
is prohibited or unenforceable in any jurisdiction shall, as to such
jurisdiction, be ineffective to the extent of such prohibition or
unenforceability without invalidating the remaining provisions hereof, and any
such prohibition or unenforceability in any jurisdiction shall not invalidate or
render unenforceable such provision in any other jurisdiction.

         Section 10.06. SEPARATE COUNTERPARTS. This Trust Agreement may be
executed by the parties hereto in separate counterparts, each of which when so
executed and delivered shall be an original, but all such counterparts shall
together constitute but one and the same instrument.

         Section 10.07. SUCCESSORS AND ASSIGNS. All representations, warranties,
covenants and agreements contained herein shall be binding upon, and inure to
the benefit of, each of the Depositor, the Owner Trustee and its successors and
each Certificateholder and its successors and permitted assigns, all as herein
provided. Any request, notice, direction, consent, waiver or other instrument or
action by a Certificateholder shall bind the successors and assigns of such
Certificateholder.

         Section 10.08.    NO PETITION.  The Owner Trustee, by entering into
this Trust Agreement and each Certificateholder, by accepting a Certificate,
hereby covenant and agree that they will not at any time institute against the
Depositor or the Trust, or join in any institution



<PAGE>


                                      -34-

against the Depositor or the Trust of, any bankruptcy proceedings under any
United States federal or state bankruptcy or similar law in connection with any
obligations to the Certificates, the Notes, this Trust Agreement or any of the
Basic Documents. This Section shall survive for one year following the
termination of this Trust Agreement.

         Section 10.09. NO RECOURSE. Each Certificateholder by accepting a
Certificate acknowledges that such Certificateholder's Certificates represent
beneficial interests in the Trust only and do not represent interests in or
obligations of the Depositor, the Seller, the Owner Trustee, the Indenture
Trustee or any Affiliate thereof and no recourse may be had against such parties
or their assets, except as may be expressly set forth or contemplated in this
Trust Agreement, the Certificates or the Basic Documents.

         Section 10.10.    HEADINGS.  The headings of the various Articles and \
Sections herein are for convenience of reference only and shall not define or
limit any of the terms or provisions hereof.

         Section 10.11. GOVERNING LAW. THIS TRUST AGREEMENT SHALL BE CONSTRUED
IN ACCORDANCE WITH THE LAWS OF THE STATE OF DELAWARE, WITHOUT REFERENCE TO ITS
CONFLICT OF LAW PROVISIONS, AND THE OBLIGATIONS, RIGHTS AND REMEDIES OF THE
PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE WITH SUCH LAWS.

         Section 10.12. INTEGRATION. This Trust Agreement constitutes the entire
agreement among the parties hereto pertaining to the subject matter hereof and
supersedes all prior agreements and understanding pertaining thereto.




<PAGE>



         IN WITNESS WHEREOF, the Depositor and the Owner Trustee have caused
their names to be signed hereto by their respective officers thereunto duly
authorized, all as of the day and year first above written.

                           IMPAC SECURED ASSETS CORP.


                           By:
                              -------------------------------------------
                              Name: Richard J. Johnson
                              Title: Chief Financial Officer

                           WILMINGTON TRUST COMPANY, as Owner Trustee,



                           By:
                              -------------------------------------------
                              Name:  Emmett R. Harmon
                              Title: Vice President


Acknowledged and Agreed:


BANKERS TRUST COMPANY,
         as Certificate Registrar
         and Certificate Paying Agent



By:
   ------------------------------
   Name:    Melanie Anbarci
   Title:   Assistant Secretary



<PAGE>


                                       A-1

                                   EXHIBIT A-1

                              [Form of Certificate]

                                     [Face]


THIS CERTIFICATE HAS NOT BEEN AND WILL NOT BE REGISTERED UNDER THE SECURITIES
ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE
RESOLD OR TRANSFERRED UNLESS IT IS REGISTERED PURSUANT TO SUCH ACT AND LAWS OR
IS SOLD OR TRANSFERRED IN TRANSACTIONS WHICH ARE EXEMPT FROM REGISTRATION UNDER
SUCH ACT AND UNDER APPLICABLE STATE LAW AND IS TRANSFERRED IN ACCORDANCE WITH
THE PROVISIONS OF SECTION 3.05 OF THE TRUST AGREEMENT REFERRED TO HEREIN.

NO TRANSFER OF THIS CERTIFICATE SHALL BE MADE UNLESS THE CERTIFI CATE REGISTRAR
SHALL HAVE RECEIVED EITHER (I) A REPRESENTATION LETTER FROM THE TRANSFEREE OF
THIS CERTIFICATE TO THE EFFECT THAT SUCH TRANSFEREE IS NOT AN EMPLOYEE BENEFIT
PLAN SUBJECT TO THE FIDUCIARY RESPONSIBILITY PROVISIONS OF THE EMPLOYEE
RETIREMENT INCOME SECURITY ACT OF 1974, AS AMENDED ("ERISA"), OR SECTION 4975 OF
THE INTERNAL REVENUE CODE OF 1986, AS AMENDED (THE "CODE"), OR A PERSON ACTING
ON BEHALF OF ANY SUCH PLAN OR USING THE ASSETS OF ANY SUCH PLAN, OR (II) IF THIS
CERTIFICATE IS PRESENTED FOR REGISTRATION IN THE NAME OF A PLAN SUBJECT TO THE
FIDUCIARY RESPONSIBILITY PROVISIONS OF ERISA, OR SECTION 4975 OF THE CODE (OR
COMPARABLE PROVISIONS OF ANY SUBSEQUENT ENACTMENTS), OR A TRUSTEE OF ANY SUCH
PLAN, OR ANY OTHER PERSON WHO IS USING THE ASSETS OF ANY SUCH PLAN TO EFFECT
SUCH ACQUISITION, AN OPINION OF COUNSEL TO THE EFFECT THAT THE PURCHASE OR
HOLDING OF THIS CERTIFICATE WILL NOT RESULT IN THE ASSETS OF THE OWNER TRUST
ESTATE BEING DEEMED TO BE "PLAN ASSETS" AND SUBJECT TO THE FIDUCIARY
RESPONSIBILITY PROVISIONS OF ERISA OR THE PROHIBITED TRANSACTION PROVISIONS OF
THE CODE, WILL NOT CONSTITUTE OR RESULT IN A PROHIBITED TRANSACTION WITHIN THE
MEANING OF SECTION 406 OR SECTION 407 OF ERISA OR SECTION 4975 OF THE CODE, AND
WILL NOT SUBJECT THE OWNER TRUSTEE OR THE DEPOSITOR TO ANY OBLIGATION OR
LIABILITY.

NO TRANSFER OF THIS CERTIFICATE SHALL BE MADE UNLESS THE CERTIFICATE REGISTRAR
SHALL HAVE RECEIVED A CERTIFICATE OF NON-FOREIGN STATUS CERTIFYING AS TO THE
TRANSFEREE'S STATUS AS A U.S. PERSON OR CORPORATION UNDER U.S. LAW.

THIS CERTIFICATE DOES NOT REPRESENT AN INTEREST IN OR OBLIGATION OF THE SELLER,
THE DEPOSITOR, THE MASTER SERVICER, THE INDENTURE



<PAGE>


                                       A-2

TRUSTEE, OR THE OWNER TRUSTEE OR ANY OF THEIR RESPECTIVE AFFILIATES, EXCEPT AS
EXPRESSLY PROVIDED IN THE TRUST AGREEMENT OR THE BASIC DOCUMENTS.



<PAGE>


                                       A-3

                      Certificate No.

                      Certificate Percentage Interest of this Certificate: ____%

                      Cut-off Date:  March 1, 1998

                      First Payment Date
                      April 25, 1998

                      CUSIP No.: __________


                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1


         Evidencing a fractional undivided equity interest in the Owner Trust
Estate, the property of which consists primarily of the Mortgage Loans in Impac
Secured Assets CMN Trust Series 1998-1 (the "Trust"), a Delaware business trust
formed by

            IMPAC SECURED ASSETS CORP., AS DEPOSITOR, pursuant to the
                       Trust Agreement referred to below.

         This certifies that [name of Holder] is the registered owner of the
Percentage Interest represented hereby.

         The Trust was created pursuant to a Trust Agreement dated as of March
31, 1998 (as amended and supplemented from time to time, the "Trust Agreement")
between the Depositor and Wilmington Trust Company, as owner trustee (as amended
and supplemented from time to time, the "Owner Trustee", which term includes any
successor entity under the Trust Agreement), a summary of certain of the
pertinent provisions of which is set forth hereinafter. This Certificate is
issued under and is subject to the terms, provisions and conditions of the Trust
Agreement, to which Trust Agreement the Holder of this Certificate by virtue of
the acceptance hereof assents and by which such Holder is bound.

         This Certificate is one of a duly authorized issue of Certificates,
Series 1998-1 (herein called the "Certificates") issued under the Trust
Agreement to which reference is hereby made for a statement of the respective
rights thereunder of the Depositor, the Owner Trustee and the Holders of the
Certificates and the terms upon which the Certificates are executed and
delivered. All terms used in this Certificate which are defined in the Trust
Agreement shall have the meanings assigned to them in the Trust Agreement. The
Owner Trust Estate consists of the Mortgage Loans in the Impac Secured Assets
CMN Trust Series 1998-1 . The rights of the Holders of the Certificates are
subordinated to the rights of the Holders of the Notes, as set forth in the
Indenture.




<PAGE>


                                       A-4

         There will be distributed on the 25th day of each month or, if such
25th day is not a Business Day, the next Business Day (each, a "Payment Date"),
commencing in April 1998, to the Person in whose name this Certificate is
registered at the close of business on the last Business Day of the month
preceding the month of such Payment Date (the "Record Date"), such Certif
icateholder's Percentage Interest in the amount to be distributed to
Certificateholders on such Payment Date.

         The Certificateholder, by its acceptance of this Certificate, agrees
that it will look solely to the funds on deposit in the Certificate Distribution
Account that have been released from the Lien of the Indenture for payment
hereunder and that neither the Owner Trustee in its individual capacity nor the
Depositor is personally liable to the Certificateholders for any amount payable
under this Certificate or the Trust Agreement or, except as expressly provided
in the Trust Agreement, subject to any liability under the Trust Agreement.

         The Holder of this Certificate acknowledges and agrees that its rights
to receive distributions in respect of this Certificate are subordinated to the
rights of the Noteholders as described in the Indenture, dated as of March 31,
1998, between the Trust and Bankers Trust Company of California, N.A., as
Indenture Trustee (the "Indenture").

         The Depositor and each Certificateholder, by acceptance of a
Certificate, agree to treat, and to take no action inconsistent with the
treatment of, the Certificates for federal, state and local income tax purposes
as an equity interest in the Trust.

         Each Certificateholder, by its acceptance of a Certificate, covenants
and agrees that such Certificateholder will not at any time institute against
the Depositor, or join in any institution against the Depositor or the Trust of,
any bankruptcy, reorganization, arrangement, insolvency or liquidation
proceedings, or other proceedings under any United States federal or state
bankruptcy or similar law in connection with any obligations relating to the
Certificates, the Notes, the Trust Agreement or any of the Basic Documents.

         Distributions on this Certificate will be made as provided in the Trust
Agreement by the Certificate Paying Agent by wire transfer or check mailed to
the Certificateholder of record in the Certificate Register without the
presentation or surrender of this Certificate or the making of any notation
hereon. Except as otherwise provided in the Trust Agreement and notwithstanding
the above, the final distribution on this Certificate will be made after due
notice by the Certificate Paying Agent of the pendency of such distribution and
only upon presentation and surrender of this Certificate at the office or agency
maintained by the Certificate Registrar for that purpose by the Trust in the
Borough of Manhattan, The City of New York.

         Reference is hereby made to the further provisions of this Certificate
set forth on the reverse hereof, which further provisions shall for all purposes
have the same effect as if set forth at this place.




<PAGE>


                                       A-5

         Unless the certificate of authentication hereon shall have been
executed by an authorized officer of the Owner Trustee, or an authenticating
agent by manual signature, this Certificate shall not entitle the Holder hereof
to any benefit under the Trust Agreement or be valid for any purpose.

         THIS CERTIFICATE SHALL BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE
STATE OF DELAWARE, WITHOUT REFERENCE TO ITS CONFLICT OF LAW PROVISIONS, AND THE
OBLIGATIONS, RIGHTS AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN
ACCORDANCE WITH SUCH LAWS.





<PAGE>


                                       A-6


         IN WITNESS WHEREOF, the Owner Trustee, on behalf of the Trust and not
in its individual capacity, has caused this Certificate to be duly executed.


                                 WILMINGTON TRUST COMPANY, not in its
                                 individual capacity but solely as Owner Trustee



Dated:                           By:
                                    ------------------------------------
                                       Authorized Signatory





<PAGE>


                                       A-7

                            [REVERSE OF CERTIFICATE]


         The Certificates do not represent an obligation of, or an interest in,
the Depositor, the Seller, the Master Servicer, the Indenture Trustee, the Owner
Trustee or any Affiliates of any of them and no recourse may be had against such
parties or their assets, except as expressly set forth or contemplated herein or
in the Trust Agreement or the Basic Documents. In addition, this Certificate is
not guaranteed by any governmental agency or instrumentality and is limited in
right of payment to certain collections and recoveries with respect to the
Mortgage Loans, all as more specifically set forth herein and in the Trust
Agreement. A copy of the Trust Agreement may be examined by any
Certificateholder upon written request during normal business hours at the
principal office of the Depositor and at such other places, if any, designated
by the Depositor.

         The Trust Agreement permits the amendment thereof as specified below,
provided that any amendment be accompanied by an Opinion of Counsel to the Owner
Trustee to the effect that such amendment complies with the provisions of the
Trust Agreement and, if Impac Secured Assets Corp. was not the Holder of 100% of
the Certificates, would not cause the Trust to be subject to an entity level
tax. If the purpose of the amendment is to correct any mistake, eliminate any
inconsistency, cure any ambiguity or deal with any matter not covered, it shall
not be necessary to obtain the consent of any Holder, but the Owner Trustee
shall be furnished with a letter from the Rating Agencies that the amendment
will not result in the downgrading or withdrawal of the rating then assigned to
any Note or the rating then assigned to any Note. If the purpose of the
amendment is to prevent the imposition of any federal or state taxes at any time
that any Security is outstanding, it shall not be necessary to obtain the
consent of the any Holder, but the Owner Trustee shall be furnished with an
Opinion of Counsel that such amendment is necessary or helpful to prevent the
imposition of such taxes and is not materially adverse to any Holder. If the
purpose of the amendment is to add or eliminate or change any provision of the
Trust Agreement, other than as specified in the preceding two sentences, the
amendment shall require either (a) a letter from the Rating Agencies that the
amendment will not result in the downgrading or withdrawal of the rating then
assigned to any Note or the rating then assigned to any Note or (b) the consent
of Holders of the Certificates evidencing a majority of the Percentage Interests
of the Certificates and the Indenture Trustee; PROVIDED, HOWEVER, that no such
amendment shall (i) reduce in any manner the amount of, or delay the time of,
payments received that are required to be distributed on any Certificate without
the consent of the related Certificateholder, or (ii) reduce the aforesaid
percentage of Certificates the Holders of which are required to consent to any
such amendment without the consent of the Holders of all such Certificates then
outstanding.

         As provided in the Trust Agreement and subject to certain limitations
therein set forth, the transfer of this Certificate is registerable in the
Certificate Register upon surrender of this Certificate for registration of
transfer at the offices or agencies of the Certificate Registrar maintained by
the Trust in the Borough of Manhattan, The City of New York, accompanied by a
written instrument of transfer in form satisfactory to the Certificate Registrar
duly executed by the Holder hereof or such Holder's attorney duly authorized in
writing, and thereupon one or more new Certificates of authorized denominations
evidencing the same aggregate interest in the Trust



<PAGE>


                                       A-8

will be issued to the designated transferee. The initial Certificate Registrar
appointed under the Trust Agreement is Bankers Trust Company of California, N.A.

         Except as provided in the Trust Agreement, the Certificates are
issuable only in a minimum Certificate Percentage Interest of 10%. As provided
in the Trust Agreement and subject to certain limitations therein set forth,
Certificates are exchangeable for new Certificates of authorized denominations
evidencing the same aggregate denomination, as requested by the Holder
surrendering the same. No service charge will be made for any such registration
of transfer or exchange, but the Owner Trustee or the Certificate Registrar may
require payment of a sum sufficient to cover any tax or governmental charge
payable in connection therewith.

         The Owner Trustee, the Certificate Paying Agent, the Certificate
Registrar and any agent of the Owner Trustee, the Certificate Paying Agent, or
the Certificate Registrar may treat the Person in whose name this Certificate is
registered as the owner hereof for all purposes, and none of the Owner Trustee,
the Certificate Paying Agent, the Certificate Registrar or any such agent shall
be affected by any notice to the contrary.

         The obligations and responsibilities created by the Trust Agreement and
the Trust created thereby shall terminate as and when provided in accordance
with the terms of the Trust Agreement.





<PAGE>


                                       A-9

                                   ASSIGNMENT


         FOR VALUE RECEIVED the undersigned hereby sells, assigns and transfers
unto

PLEASE INSERT SOCIAL SECURITY OR
OTHER IDENTIFYING NUMBER OF ASSIGNEE




- --------------------------------------------------------------------------------
(Please print or type name and address, including postal zip code, of assignee)


- --------------------------------------------------------------------------------
the within Certificate, and all rights thereunder, hereby irrevocably
constituting and appointing


- --------------------------------------------------------------------------------
to transfer said Certificate on the books of the Certificate Registrar, with
full power of substitution in the premises.


Dated:


                                 ---------------------------------------------*/
                                                         Signature Guaranteed:


                                        ---------------------------------*/

- -----------------

*/ NOTICE: The signature to this assignment must correspond with the name as it
appears upon the face of the within Certificate in every particular, without
alteration, enlargement or any change whatever. Such signature must be
guaranteed by a member firm of the New York Stock Exchange or a commercial bank
or trust company.





<PAGE>


                                      A-10


                            DISTRIBUTION INSTRUCTIONS


         The assignee should include the following for the information of the
Certificate Paying Agent:

         Distribution shall be made by wire transfer in immediately available 
funds to ---------------------------------------------
- -----------------------------------------------------------------
for the account of -------------------------------------, account number
- -------------------, or, if mailed by check, to ---------------.

         Applicable statements should be mailed to ---------------.


                                          ------------------------------
                                          Signature of assignee or agent
                                          (for authorization of wire
                                           transfer only)




<PAGE>


                                      -11-

                                   EXHIBIT A-2

                          FORM OF CLASS B-2 CERTIFICATE

THIS CERTIFICATE HAS NOT BEEN AND WILL NOT BE REGISTERED UNDER THE SECURITIES
ACT OF 1933, AS AMENDED, OR THE SECURITIES LAWS OF ANY STATE AND MAY NOT BE
RESOLD OR TRANSFERRED UNLESS IT IS REGISTERED PURSUANT TO SUCH ACT AND LAWS OR
IS SOLD OR TRANSFERRED IN TRANSACTIONS WHICH ARE EXEMPT FROM REGISTRATION UNDER
SUCH ACT AND UNDER APPLICABLE STATE LAW AND IS TRANSFERRED IN ACCORDANCE WITH
THE PROVISIONS OF SECTION 3.05 OF THE TRUST AGREEMENT REFERRED TO HEREIN.

NO TRANSFER OF THIS CERTIFICATE SHALL BE MADE UNLESS THE CERTIFI CATE REGISTRAR
SHALL HAVE RECEIVED EITHER (I) A REPRESENTATION LETTER FROM THE TRANSFEREE OF
THIS CERTIFICATE TO THE EFFECT THAT SUCH TRANSFEREE IS NOT AN EMPLOYEE BENEFIT
PLAN SUBJECT TO THE FIDUCIARY RESPONSIBILITY PROVISIONS OF THE EMPLOYEE
RETIREMENT INCOME SECURITY ACT OF 1974, AS AMENDED ("ERISA"), OR SECTION 4975 OF
THE INTERNAL REVENUE CODE OF 1986, AS AMENDED (THE "CODE"), OR A PERSON ACTING
ON BEHALF OF ANY SUCH PLAN OR USING THE ASSETS OF ANY SUCH PLAN, OR (II) IF THIS
CERTIFICATE IS PRESENTED FOR REGISTRATION IN THE NAME OF A PLAN SUBJECT TO THE
FIDUCIARY RESPONSIBILITY PROVISIONS OF ERISA, OR SECTION 4975 OF THE CODE (OR
COMPARABLE PROVISIONS OF ANY SUBSEQUENT ENACTMENTS), OR A TRUSTEE OF ANY SUCH
PLAN, OR ANY OTHER PERSON WHO IS USING THE ASSETS OF ANY SUCH PLAN TO EFFECT
SUCH ACQUISITION, AN OPINION OF COUNSEL TO THE EFFECT THAT THE PURCHASE OR
HOLDING OF THIS CERTIFICATE WILL NOT RESULT IN THE ASSETS OF THE OWNER TRUST
ESTATE BEING DEEMED TO BE "PLAN ASSETS" AND SUBJECT TO THE FIDUCIARY
RESPONSIBILITY PROVISIONS OF ERISA OR THE PROHIBITED TRANSACTION PROVISIONS OF
THE CODE, WILL NOT CONSTITUTE OR RESULT IN A PROHIBITED TRANSACTION WITHIN THE
MEANING OF SECTION 406 OR SECTION 407 OF ERISA OR SECTION 4975 OF THE CODE, AND
WILL NOT SUBJECT THE OWNER TRUSTEE OR THE DEPOSITOR TO ANY OBLIGATION OR
LIABILITY.

NO TRANSFER OF THIS CERTIFICATE SHALL BE MADE UNLESS THE CERTIFICATE REGISTRAR
SHALL HAVE RECEIVED A CERTIFICATE OF NON-FOREIGN STATUS CERTIFYING AS TO THE
TRANSFEREE'S STATUS AS A U.S. PERSON OR CORPORATION UNDER U.S. LAW.

THIS CERTIFICATE IS A NON-RECOURSE OBLIGATION OF THE ISSUER, AND IS LIMITED IN
RIGHT OF PAYMENT TO AMOUNTS AVAILABLE FROM THE TRUST ESTATE AS PROVIDED IN THE
INDENTURE REFERRED TO BELOW. THE ISSUER



<PAGE>



IS NOT OTHERWISE PERSONALLY LIABLE FOR PAYMENTS ON THIS CERTIFICATE. THIS
CERTIFICATE DOES NOT REPRESENT AN INTEREST IN OR OBLIGATION OF THE SELLER, THE
DEPOSITOR, THE MASTER SERVICER, THE INDENTURE TRUSTEE, OR THE OWNER TRUSTEE OR
ANY OF THEIR RESPECTIVE AFFILIATES, EXCEPT AS EXPRESSLY PROVIDED IN THE TRUST
AGREEMENT OR THE BASIC DOCUMENTS.

PRINCIPAL OF THIS CERTIFICATE IS PAYABLE OVER TIME AS SET FORTH HEREIN.
ACCORDINGLY, THE OUTSTANDING PRINCIPAL OF THIS CERTIFICATE AT ANY TIME MAY BE
LESS THAN THE AMOUNT SHOWN ON THE FACE HEREOF.




                                      -12-

<PAGE>






                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1



CLASS B-2

AGGREGATE CERTIFICATE PRINCIPAL                         RATE: ___________
BALANCE: $

INITIAL CERTIFICATE PRINCIPAL
BALANCE OF THIS CERTIFICATE:  $

PERCENTAGE INTEREST:_____________                       CUSIP NO. _____________


                               CERTIFICATE NUMBER:


         This certifies that ________________ or registered assigns is the
registered owner of the Class B-2 Certificate to be paid from the Impac Secured
Assets CMN Trust Series 1998-1 (the "Issuer"), a Delaware business trust, for
value received, in the principal sum of ______________________________________
($___________) together with interest on the Certificate Principal Balance of
this Class B-2 Certificate ( this "Certificate") outstanding from time to time
as provided below. Payments shall be made in monthly installments on the
twenty-fifth day of each month or, if such day is not a Business Day, the next
succeeding Business Day (each a "Payment Date"), commencing in April 1998 and
ending on or before the Payment Date occurring in December 2017 (the "Stated
Maturity").

         The Issuer was created pursuant to a Trust Agreement dated as of March
31, 1998 (as amended and supplemented from time to time, the "Trust Agreement")
between the Depositor and Wilmington Trust Company, as owner trustee (as amended
and supplemented from time to time, the "Owner Trustee", which term includes any
successor entity under the Trust Agreement), a summary of certain of the
pertinent provisions of which is set forth hereinafter. This Certificate is
issued under and is subject to the terms, provisions and conditions of the Trust
Agreement, to which Trust Agreement the Holder of this Certificate by virtue of
the acceptance hereof assents and by which such Holder is bound.

         This Certificate is one of a duly authorized issue of Certificates,
Series 1998-1 (herein called the "Certificates") issued under the Trust
Agreement to which reference is hereby made for a statement of the respective
rights thereunder of the Depositor, the Owner Trustee and the Holders of the
Certificates and the terms upon which the Certificates are executed and
delivered.



                                      -13-

<PAGE>



         This Certificate shall be paid together with the Issuer's
Collateralized Asset-Backed Securities, Series 1998-1, (the "Securities"),
issued under an Indenture dated as of March 31, 1998 (the "Indenture"), between
the Issuer and Bankers Trust Company of California, N.A., as indenture trustee
(the "Indenture Trustee", which term includes any successor Indenture Trustee
under the Indenture), to which Indenture and all indentures supplemental thereto
reference is hereby made for a statement of the respective rights thereunder of
the Issuer, the Indenture Trustee, and the Holders of the Notes and the terms
upon which payments are to be made on this Certificate. The rights of the
Holders of this Certificate are subordinated to the rights of the Holders of the
Notes, as set forth in the Indenture. All terms used in this Certificate which
are defined in the Indenture shall have the meanings assigned to them in the
Indenture.

         Payments of principal and interest on this Certificate will be made on
each Payment Date to the Certificateholder of record as of the related Record
Date. On each Payment Date, the Certificateholders will be entitled to receive
interest payments in an aggregate amount equal to the Interest Remittance Amount
for such Payment Date, together with principal payments in an aggregate amount
equal to the Principal Distribution Amount plus the Net Monthly Excess Cash
Flow, if any, for such Payment Date. [In addition, on each Payment Date, the
Class B-2 Certificateholder and the Noteholders in the aggregate will be
entitled to receive additional interest payments equal to the Unpaid Interest
Shortfall for such Payment Date, to the extent of available funds.] The
"Certificate Principal Balance" of a Certificate as of any date of determination
is equal to the initial Certificate Principal Balance thereof, reduced by the
aggregate of all amounts previously paid with respect to such Certificate on
account of principal and the aggregate amount of cumulative Realized Losses
allocated to such Certificate on all prior Payment Dates.

         The principal of, and interest on, this Certificate are due and payable
as described in the Indenture, in such coin or currency of the United States of
America as at the time of payment is legal tender for payment of public and
private debts. All payments made by the Issuer with respect to this Certificate
shall be equal to this Certificate's pro rata share of the aggregate payments on
the Series 1998-1 Securities as described above, and shall be applied as between
interest and principal as provided in the Indenture.

         All principal and interest accrued on the Securities, if not previously
paid, will become finally due and payable at the Final Scheduled Payment Date.

         The Securities are subject to redemption in whole, but not in part, by
the Issuer on any Payment Date on or after the Payment Date on which the
aggregate Principal Balance of the Mortgage Loans is less than or equal to 15%
of the aggregate Principal Balance of the Mortgage Loans as of the Cut-off Date.

         The Issuer shall not be liable upon the indebtedness evidenced by the
Securities except to the extent of amounts available from the Trust Estate which
constitutes security for the payment of the Securities. The assets included in
the Trust Estate will be the sole source of payments on the Securites, and each
Holder hereof, by its acceptance of this Certificate, agrees that (i) such
Certificate will be limited in right of payment to amounts available from the
Trust Estate as provided in the Indenture and (ii) such Holder shall have no
recourse to the Issuer, the Owner


                                      -14-

<PAGE>



Trustee, the Indenture Trustee, Impac Secured Assets Corp., Impac Mortgage
Holdings, Inc., the Master Servicer or any of their respective affiliates, or to
the assets of any of the foregoing entities, except the assets of the Issuer
pledged to secure the Securities pursuant to the Indenture and the rights
conveyed to the Issuer under the Indenture.

         Any payment of principal or interest payable on this Certificate which
is punctually paid on the applicable Payment Date shall be paid to the Person in
whose name such Certificate (or one or more Predecessor Certificates) is
registered at the close of business on the Record Date for such Payment Date by
check mailed to such person's address as it appears in the Certificate Register
on such Record Date, except for the final installment of principal and interest
payable with respect to such Certificate, which shall be payable as provided
below. Notwithstanding the foregoing, upon written request with appropriate
instructions by the Holder of this Certificate (holding an aggregate Initial
Certificate Principal Balance of at least $5,000,000) delivered to the Indenture
Trustee at least five Business Days prior to the Record Date, any payment of
principal or interest, other than the final installment of principal or
interest, shall be made by wire transfer to an account in the United States
designated by such Holder. All reductions in the principal amount of a
Certificate (or one or more Predecessor Certificates) effected by payments of
principal made on any Payment Date shall be binding upon all Holders of this
Certificate and of any certificate issued upon the registration of transfer
thereof or in exchange therefor or in lieu thereof, whether or not such payment
is noted on such Certificate. The final payment of this Certificate shall be
payable upon presentation and surrender thereof on or after the Payment Date
thereof at the Corporate Trust Office or the office or agency of the Issuer
maintained by it for such purpose pursuant to Section 3.02 of the Indenture.

         Subject to the foregoing provisions, each Certificate delivered under
the Trust Agreement, upon registration of transfer of or in exchange for or in
lieu of any other Certificate shall carry the right to unpaid principal and
interest that were carried by such other Certificate.

         If an Event of Default as defined in the Indenture shall occur and be
continuing with respect to the Securities, the Securities may become or be
declared due and payable in the manner and with the effect provided in the
Indenture. If any such acceleration of maturity occurs prior to the payment of
the entire unpaid Note Principal Balance of the Notes and Certificate Principal
Balance of the Class B-2 Certificates, the amount payable to the Holder of this
Certificate will be equal to the sum of the unpaid Certificate Principal Balance
of this Certificate, together with accrued and unpaid interest thereon as
described in the Indenture. The Indenture provides that, notwithstanding the
acceleration of the maturity of the Securities, under certain circumstances
specified therein, all amounts collected as proceeds of the Trust Estate
securing the Securities or otherwise shall continue to be applied to payments of
principal of and interest on the Securities as if they had not been declared due
and payable.

         The failure to pay any Net Monthly Excess Cash Flow at any time when
funds are not available to make such payment as provided in the Indenture shall
not constitute an Event of Default under the Indenture.

         The transfer of this Certificate shall be subject to the terms of the
Trust Agreement.


                                      -15-

<PAGE>



         Prior to the due presentment for registration of transfer of this
Certificate, the Issuer, the Indenture Trustee and any agent of the Issuer or
the Indenture Trustee may treat the Person in whose name this Certificate is
registered as the owner of such Certificate (i) on the applicable Record Date
for the purpose of making payments and interest of such Certificate, and (ii) on
any other date for all other purposes whatsoever, as the owner hereof, whether
or not this Certificate be overdue, and neither the Issuer, the Indenture
Trustee nor any such agent of the Issuer or the Indenture Trustee shall be
affected by notice to the contrary.

         The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Issuer and the rights of the Holders of the Securities under the Indenture at
any time by the Issuer with the consent of the Holders of a majority of all
Securities at the time outstanding. The Indenture also contains provisions
permitting the Holders of Securities representing specified percentages of the
aggregate Note Principal Balance of the Notes and Certificate Principal Balance
of the Class B-2 Certifiicates on behalf of the Holders of all the Securities,
to waive any past Default under the Indenture and its consequences. Any such
waiver by the Holder, at the time of the giving thereof, of this Certificate (or
any one or more Predecessor Certificates) shall bind the Holder of every
Certificate issued upon the registration of transfer hereof or in exchange
hereof or in lieu hereof, whether or not notation of such consent or waiver is
made upon such Certificate. The Indenture also permits the Issuer and the
Indenture Trustee to amend or waive certain terms and conditions set forth in
the Indenture without the consent of the Holders of the Securities issued
thereunder.

         The Certificates are exchangeable for a like aggregate initial
Certificate Principal Balance of Certificates of different authorized
denominations, as requested by the Holder surrendering same.

         Unless the Certificate of Authentication hereon has been executed by
the Indenture Trustee by manual signature, this Certificate shall not be
entitled to any benefit under the Indenture, or be valid or obligatory for any
purpose.

         AS PROVIDED IN THE TRUST AGREEMENT, THIS CERTIFICATE AND THE TRUST
AGREEMENT CREATING THIS SHALL BE CONSTRUED IN ACCORDANCE WITH, AND GOVERNED BY,
THE LAWS OF THE STATE OF DELAWARE APPLICABLE TO AGREEMENTS MADE AND TO BE
PERFORMED THEREIN.



                                      -16-

<PAGE>




         IN WITNESS WHEREOF, the Owner Trustee, on behalf of the Trust and not
in its individual capacity, has caused this Certificate to be duly executed.


                               WILMINGTON TRUST COMPANY, not in its
                               individual capacity but solely as Owner Trustee



Dated:                         By:
                                   ----------------------------------------
                                            Authorized Signatory



                                      -17-


<PAGE>



                                  ABBREVIATIONS


         The following abbreviations, when used in the inscription on the face
of the Certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

          TEN COM   --  as tenants in common
          TEN ENT   --  as tenants by the entireties
          JT TEN    --  as joint tenants with right of survivorship and not 
                        as tenants in common
UNIF GIFT MIN ACT   --  ------------ Custodian --------------------------------
                            (Cust)                       (Minor)
                        under Uniform Gifts to Minor Act-----------------------
                                                             (State)

                      Additional abbreviations may also be used though not in
the above list.

                 ----------------------------------------------

  FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto

          PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF
                                    ASSIGNEE:


                 ----------------------------------------------

                 ----------------------------------------------

                 ----------------------------------------------
  (Please print or typewrite name and address, including zip code, of assignee)


- --------------------------------------------------------------------------------
the within note and all rights thereunder, hereby irrevocably constitution and
appointing attorney to transfer said Note on the books of the Issuer, with full 
power of substitution in the premises.

Dated: ------------------------------     --------------------------------------



Signature Guaranteed by ----------------------------------------------


         NOTICE:  The signature(s) to this assignment must correspond with the
name as it appears upon the face of the within Note in every particular, without
alteration or enlargement or any change whatsoever. Signature(s) must be
guaranteed by a commercial bank or by a member firm



<PAGE>



of the New York Stock Exchange or another national securities exchange.
Notarized or witnessed signatures are not acceptable.


                                       -2-


<PAGE>



                                                                       EXHIBIT B
                                                          TO THE TRUST AGREEMENT

                             CERTIFICATE OF TRUST OF
                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1


                  THIS Certificate of Trust of Impac Secured Assets CMN Trust
Series 1998-1 (the "Trust"), dated March __, 1998, is being duly executed and
filed by --------------------, a Delaware banking corporation, as trustee, to
form a business trust under the Delaware Business Trust Act (12 DEL. CODE, ss.
3801 ET SEQ.).
                  1. NAME. The name of the business trust formed hereby is Impac
Secured Assets CMN Trust Series 1998-1 .
                  2. DELAWARE TRUSTEE. The name and business address of the
trustee of the Trust in the State of Delaware is ---------------------------,
- --------------------, ----------------, -----------------, Attention:
- ------------------------------.

                  IN WITNESS WHEREOF, the undersigned, being the sole trustee of
the Trust, has executed this Certificate of Trust as of the date first above
written.


                                    ----------------------,
                                    not in its individual capacity but solely as
                                    owner trustee under a Trust Agreement dated
                                    as of March __, 1998

                                    By:

                                          ------------------------------------
                                          Name:
                                          Title:





                                       B-1

<PAGE>



                                                                       EXHIBIT C

                  [FORM OF RULE 144A INVESTMENT REPRESENTATION]


             Description of Rule 144A Securities, including numbers:
             -------------------------------------------------------
             -------------------------------------------------------
             -------------------------------------------------------
             -------------------------------------------------------



                  The undersigned seller, as registered holder (the "Seller"),
intends to transfer the Rule 144A Securities described above to the undersigned
buyer (the "Buyer").

                  1. In connection with such transfer and in accordance with the
agreements pursuant to which the Rule 144A Securities were issued, the Seller
hereby certifies the following facts: Neither the Seller nor anyone acting on
its behalf has offered, transferred, pledged, sold or otherwise disposed of the
Rule 144A Securities, any interest in the Rule 144A Securities or any other
similar security to, or solicited any offer to buy or accept a transfer, pledge
or other disposition of the Rule 144A Securities, any interest in the Rule 144A
Securities or any other similar security from, or otherwise approached or
negotiated with respect to the Rule 144A Securities, any interest in the Rule
144A Securities or any other similar security with, any person in any manner, or
made any general solicitation by means of general advertising or in any other
manner, or taken any other action, that would constitute a distribution of the
Rule 144A Securities under the Securities Act of 1933, as amended (the "1933
Act"), or that would render the disposition of the Rule 144A Securities a
violation of Section 5 of the 1933 Act or require registration pursuant thereto,
and that the Seller has not offered the Rule 144A Securities to any person other
than the Buyer or another "qualified institutional buyer" as defined in Rule
144A under the 1933 Act.

                  2. The Buyer warrants and represents to, and covenants with,
the Owner Trustee and the Depositor (as defined in the Trust Agreement (the
"Agreement"), dated as of March 31, 1998, between Impac Secured Assets Corp., as
Depositor and ______________________, as Owner Trustee pursuant to Section 3.05
of the Agreement and __________________________________ as indenture trustee, as
follows:

                           a. The Buyer understands that the Rule 144A
         Securities have not been registered under the 1933 Act or the
         securities laws of any state.

                           b. The Buyer considers itself a substantial,
         sophisticated institutional investor having such knowledge and
         experience in financial and business matters that it is capable of
         evaluating the merits and risks of investment in the Rule 144A
         Securities.



                                       C-1

<PAGE>



                           c. The Buyer has been furnished with all information
         regarding the Rule 144A Securities that it has requested from the
         Seller, the Indenture Trustee, the Owner Trustee or the Master
         Servicer.

                           d. Neither the Buyer nor anyone acting on its behalf
         has offered, transferred, pledged, sold or otherwise disposed of the
         Rule 144A Securities, any interest in the Rule 144A Securities or any
         other similar security to, or solicited any offer to buy or accept a
         transfer, pledge or other disposition of the Rule 144A Securities, any
         interest in the Rule 144A Securities or any other similar security
         from, or otherwise approached or negotiated with respect to the Rule
         144A Securities, any interest in the Rule 144A Securities or any other
         similar security with, any person in any manner, or made any general
         solicitation by means of general advertising or in any other manner, or
         taken any other action, that would constitute a distribution of the
         Rule 144A Securities under the 1933 Act or that would render the
         disposition of the Rule 144A Securities a violation of Section 5 of the
         1933 Act or require registration pursuant thereto, nor will it act, nor
         has it authorized or will it authorize any person to act, in such
         manner with respect to the Rule 144A Securities.

                           e. The Buyer is a "qualified institutional buyer" as
         that term is defined in Rule 144A under the 1933 Act and has completed
         either of the forms of certification to that effect attached hereto as
         Annex 1 or Annex 2. The Buyer is aware that the sale to it is being
         made in reliance on Rule 144A. The Buyer is acquiring the Rule 144A
         Securities for its own account or the accounts of other qualified
         institutional buyers, understands that such Rule 144A Securities may be
         resold, pledged or transferred only (i) to a person reasonably believed
         to be a qualified institutional buyer that purchases for its own
         account or for the account of a qualified institutional buyer to whom
         notice is given that the resale, pledge or transfer is being made in
         reliance on Rule 144A, or (ii) pursuant to another exemption from
         registration under the 1933 Act.

                  [3. The Buyer warrants and represents to, and covenants with,
the Seller, the Indenture Trustee, Owner Trustee, Master Servicer and the
Depositor that either (1) the Buyer is (A) not an employee benefit plan (within
the meaning of Section 3(3) of the Employee Retirement Income Security Act of
1974, as amended ("ERISA")), or a plan (within the meaning of Section 4975(e)(1)
of the Internal Revenue Code of 1986 ("Code")), which (in either case) is
subject to ERISA or Section 4975 of the Code (both a "Plan"), and (B) is not
directly or indirectly purchasing the Rule 144A Securities on behalf of, as
investment manager of, as named fiduciary of, as trustee of, or with "plan
assets" of a Plan, or (2) the Buyer understands that registration of transfer of
any Rule 144A Securities to any Plan, or to any Person acting on behalf of any
Plan, will not be made unless such Plan delivers an opinion of its counsel,
addressed and satisfactory to the Certificate Registrar and the Depositor, to
the effect that the purchase and holding of the Rule 144A Securities by, on
behalf of or with "plan assets" of any Plan would not constitute or result in a
prohibited transaction under Section 406 of ERISA or Section 4975 of the Code,
and would not subject the Depositor, the Master Servicer, the Indenture Trustee
or the Trust to any obligation or liability (including liabilities under ERISA
or Section 4975 of the Code) in addition to those undertaken in the Agreement or
any other liability.]


                                       C-2

<PAGE>



                  4. This document may be executed in one or more counterparts
and by the different parties hereto on separate counterparts, each of which,
when so executed, shall be deemed to be an original; such counterparts,
together, shall constitute one and the same document.

                  IN WITNESS WHEREOF, each of the parties has executed this
document as of the date set forth below.


- ----------------------                      ----------------------
Print Name of Seller                        Print Name of Buyer

By:                                         By:
  --------------------                         -------------------
     Name:                                     Name:
     Title:                                    Title:

Taxpayer Identification:                    Taxpayer Identification:

No.                                         No.
   --------------------                        -------------------

Date:                                       Date:
     ------------------                          -----------------


                                       C-3

<PAGE>



                                                            ANNEX 1 TO EXHIBIT C
                                                            --------------------


            QUALIFIED INSTITUTIONAL BUYER STATUS UNDER SEC RULE 144A
            --------------------------------------------------------

             [For Buyers Other Than Registered Investment Companies]

                            The undersigned hereby certifies as follows in 
connection with the Rule 144A Investment Representation to which this
Certification is attached:

             1. As indicated below, the undersigned is the President, Chief
Financial Officer, Senior Vice President or other executive officer of the
Buyer.

             2. In connection with purchases by the Buyer, the Buyer is a
"qualified institutional buyer" as that term is defined in Rule 144A under the
Securities Act of 1933 ("Rule 144A") because (i) the Buyer owned and/or invested
on a discretionary basis $______________________1 in securities (except for the
excluded securities referred to below) as of the end of the Buyer's most recent
fiscal year (such amount being calculated in accordance with Rule 144A) and (ii)
the Buyer satisfies the criteria in the category marked below.

     ___     CORPORATION, ETC. The Buyer is a corporation (other than a bank,
             savings and loan association or similar institution), Massachusetts
             or similar business trust, partnership, or charitable organization
             described in Section 501(c)(3) of the Internal Revenue Code.

     ___     BANK.  The Buyer (a) is a national bank or banking institution 
             organized under the laws of any State, territory or the District
             of Columbia, the business of which is substantially confined to
             banking and is supervised by the State or territorial banking
             commission or similar official or is a foreign bank or equivalent
             institution, and (b) has an audited net worth of at least
             $25,000,000 as demonstrated in its latest annual financial
             statements, A COPY OF WHICH IS ATTACHED HERETO. -------- 1 Buyer
             must own and/or invest on a discretionary basis at least
             $100,000,000 in securities unless Buyer is a dealer, and, in that
             case, Buyer must own and/or invest on a discretionary basis at
             least $10,000,000 in securities.



                                       C-4



<PAGE>



     ___     SAVINGS AND LOAN. The Buyer (a) is a savings and loan association,
             building and loan association, cooperative bank, homestead
             association or similar institution, which is supervised and
             examined by a State or Federal authority having supervision over
             any such institutions or is a foreign savings and loan association
             or equivalent institution and (b) has an audited net worth of at
             least $25,000,000 as demonstrated in its latest annual financial
             statements.

     ___     BROKER-DEALER.  The Buyer is a dealer registered pursuant to
             Section 15 of the Securities Exchange Act of 1934.

     ___     INSURANCE COMPANY. The Buyer is an insurance company whose primary
             and predominant business activity is the writing of insurance or
             the reinsuring of risks underwritten by insurance companies and
             which is subject to supervision by the insurance commissioner or a
             similar official or agency of a State or territory or the District
             of Columbia.

     ___     STATE OR LOCAL PLAN.  The Buyer is a plan established and
             maintained by a State, its political subdivisions, or any agency
             or instrumentality of the State or its political subdivisions,
             for the benefit of its employees.

     ___     ERISA PLAN. The Buyer is an employee benefit plan within the
             meaning of Title I of the Employee Retirement Income Security Act
             of 1974.

     ___     INVESTMENT ADVISER.   The Buyer is an investment adviser registered
             under the Investment Advisers Act of 1940.

     ___     SBIC.  The Buyer is a Small Business Investment Company licensed by
             the U.S. Small Business Administration under Section 301(c) or
             (d) of the Small Business Investment Act of 1958.

     ___     BUSINESS DEVELOPMENT COMPANY.  The Buyer is a business development
             company as defined in Section 202(a)(22) of the Investment
             Advisers Act of 1940.

     ___     TRUST FUND. The Buyer is a trust fund whose trustee is a bank or
             trust company and whose participants are exclusively (a) plans
             established and maintained by a State, its political subdivisions,
             or any agency or instrumentality of the State or its political
             subdivisions, for the benefit of its employees, or (b) employee
             benefit plans within the meaning of Title I of the Employee
             Retirement Income Security Act of 1974, but is not a trust fund
             that includes as participants individual retirement accounts or
             H.R. 10 plans.

             3. The term "SECURITIES" as used herein DOES NOT INCLUDE (i)
securities of issuers that are affiliated with the Buyer, (ii) securities that
are part of an unsold allotment to or subscription by the Buyer, if the Buyer is
a dealer, (iii) bank deposit notes and certificates of deposit, (iv) loan


                                       C-5

<PAGE>



participations, (v) repurchase agreements, (vi) securities owned but subject to
a repurchase agreement and (vii) currency, interest rate and commodity swaps.

             4. For purposes of determining the aggregate amount of securities
owned and/or invested on a discretionary basis by the Buyer, the Buyer used the
cost of such securities to the Buyer and did not include any of the securities
referred to in the preceding paragraph. Further, in determining such aggregate
amount, the Buyer may have included securities owned by subsidiaries of the
Buyer, but only if such subsidiaries are consolidated with the Buyer in its
financial statements prepared in accordance with generally accepted accounting
principles and if the investments of such subsidiaries are managed under the
Buyer's direction. However, such securities were not included if the Buyer is a
majority-owned, consolidated subsidiary of another enterprise and the Buyer is
not itself a reporting company under the Securities Exchange Act of 1934.

             5. The Buyer acknowledges that it is familiar with Rule 144A and
understands that the seller to it and other parties related to the Certificates
are relying and will continue to rely on the statements made herein because one
or more sales to the Buyer may be in reliance on Rule 144A.

  ___         ___       Will the Buyer be purchasing the Rule 144A
  Yes         No        Securities only for the Buyer's own account?

             6. If the answer to the foregoing question is "no", the Buyer
agrees that, in connection with any purchase of securities sold to the Buyer for
the account of a third party (including any separate account) in reliance on
Rule 144A, the Buyer will only purchase for the account of a third party that at
the time is a "qualified institutional buyer" within the meaning of Rule 144A.
In addition, the Buyer agrees that the Buyer will not purchase securities for a
third party unless the Buyer has obtained a current representation letter from
such third party or taken other appropriate steps contemplated by Rule 144A to
conclude that such third party independently meets the definition of "qualified
institutional buyer" set forth in Rule 144A.

             7. The Buyer will notify each of the parties to which this
certification is made of any changes in the information and conclusions herein.
Until such notice is given, the Buyer's purchase of Rule 144A Securities will
constitute a reaffirmation of this certification as of the date of such
purchase.


                                         --------------------------------------
                                         Print Name of Buyer

                                         By:
                                            ------------------------------------
                                              Name:
                                             Title:
                                         Date:
                                              ----------------------------------


                                       C-6

<PAGE>



                                                            ANNEX 2 TO EXHIBIT C
                                                            --------------------


            QUALIFIED INSTITUTIONAL BUYER STATUS UNDER SEC RULE 144A
            --------------------------------------------------------

              [For Buyers That Are Registered Investment Companies]


                  The undersigned hereby certifies as follows in connection with
the Rule 144A Investment Representation to which this Certification is attached:

                   1. As indicated below, the undersigned is the President,
Chief Financial Officer or Senior Vice President of the Buyer or, if the Buyer
is a "qualified institutional buyer" as that term is defined in Rule 144A under
the Securities Act of 1933 ("Rule 144A") because Buyer is part of a Family of
Investment Companies (as defined below), is such an officer of the Adviser.

                  2. In connection with purchases by Buyer, the Buyer is a
"qualified institutional buyer" as defined in SEC Rule 144A because (i) the
Buyer is an investment company registered under the Investment Company Act of
1940, and (ii) as marked below, the Buyer alone, or the Buyer's Family of
Investment Companies, owned at least $100,000,000 in securities (other than the
excluded securities referred to below) as of the end of the Buyer's most recent
fiscal year. For purposes of determining the amount of securities owned by the
Buyer or the Buyer's Family of Investment Companies, the cost of such securities
was used.

____              The Buyer owned $___________________ in securities (other than
                  the excluded securities referred to below) as of the end of
                  the Buyer's most recent fiscal year (such amount being
                  calculated in accordance with Rule 144A).

____              The Buyer is part of a Family of Investment Companies which
                  owned in the aggregate $______________ in securities (other
                  than the excluded securities referred to below) as of the
                  end of the Buyer's most recent fiscal year (such amount
                  being calculated in accordance with Rule 144A).

                  3. The term "FAMILY OF INVESTMENT COMPANIES" as used herein
means two or more registered investment companies (or series thereof) that have
the same investment adviser or investment advisers that are affiliated (by
virtue of being majority owned subsidiaries of the same parent or because one
investment adviser is a majority owned subsidiary of the other).

                  4. The term "SECURITIES" as used herein does not include (i)
securities of issuers that are affiliated with the Buyer or are part of the
Buyer's Family of Investment Companies, (ii) bank deposit notes and certificates
of deposit, (iii) loan participations, (iv) repurchase agreements, (v)
securities owned but subject to a repurchase agreement and (vi) currency,
interest rate and commodity swaps.



                                       C-7

<PAGE>



                  5. The Buyer is familiar with Rule 144A and understands that
each of the parties to which this certification is made are relying and will
continue to rely on the statements made herein because one or more sales to the
Buyer will be in reliance on Rule 144A. In addition, the Buyer will only
purchase for the Buyer's own account.

                  6. The undersigned will notify each of the parties to which
this certification is made of any changes in the information and conclusions
herein. Until such notice, the Buyer's purchase of Rule 144A Securities will
constitute a reaffirmation of this certification by the undersigned as of the
date of such purchase.



                                         --------------------------------------
                                         Print Name of Buyer

                                         By:
                                            ------------------------------------
                                              Name:
                                             Title:
                                         Date:
                                              ----------------------------------

                                 IF AN ADVISER:


                                         --------------------------------------
                                         Print Name of Buyer


                                         Date:
                                              ----------------------------------


                                       C-8

<PAGE>




                                                                       EXHIBIT D
                                                                       ---------

                        CERTIFICATE OF NON-FOREIGN STATUS
                        ---------------------------------

         This Certificate of Non-Foreign Status ("certificate") is delivered
pursuant to Section 3.05 of the Amended and Restated Trust Agreement, dated as
of March 31, 1998 (the "Trust Agreement"), between Impac Secured Assets Corp.,
as depositor and Wilmington Trust Company, as Owner Trustee, in connection with
the acquisition of, transfer to or possession by the undersigned, whether as
beneficial owner (the "Beneficial Owner"), or nominee on behalf of the
Beneficial Owner of the Certificates, Series 1998-1 (the "Certificate").
Capitalized terms used but not defined in this certificate have the respective
meanings given them in the Trust Agreement.

Each holder must complete Part I, Part II (if the holder is a nominee), and in
all cases sign and otherwise complete Part III.
In addition, each holder shall submit with the Certificate an IRS Form W-9
relating to such holder.

To confirm to the Trust that the provisions of Sections 871, 881 or 1446 of the
Internal Revenue Code (relating to withholding tax on foreign partners) do not
apply in respect of the Certificate held by the undersigned, the undersigned
hereby certifies:

Part I -          Complete Either A or B

                  A.       Individual as Beneficial Owner

                           1. I am (The Beneficial Owner is ) not a non-resident
                              alien for purposes of U.S. income taxation;

                           2. My (The Beneficial Owner's) name and home address 
                              are:

                              --------------------------
                              --------------------------
                              --------------------------; and

                           3.  My (The Beneficial Owner's) U.S. taxpayer
                               identification number (Social Security Number) is
                               ------------------.

                  B.       Corporate, Partnership or Other Entity as Beneficial 
                           Owner

                           1.  (Name of the Beneficial Owner) is not a
                               foreign corporation, foreign partnership,
                               foreign trust or foreign estate (as those
                               terms are defined in the Code and Treasury
                               Regulations;

                           2.  The Beneficial Owner's office address and
                               place of incorporation (if applicable) is
                               -----------------------------------; and


                                       D-1

<PAGE>



                           3.  The Beneficial Owner's U.S. employer
                               identification number is ----------------.


Part II -         Nominees

         If the undersigned is the nominee for the Beneficial Owner, the
undersigned certifies that this certificate has been made in reliance upon
information contained in:

                  / /  an IRS Form W-9

                  / /  a form such as this or substantially similar

provided to the undersigned by an appropriate person and (i) the undersigned
agrees to notify the Trust at least thirty (30) days prior to the date that the
form relied upon becomes obsolete, and (ii) in connection with change in
Beneficial Owners, the undersigned agrees to submit a new Certificate of
Non-Foreign Status to the Trust promptly after such change.

Part III -        Declaration

         The undersigned, as the Beneficial Owner or a nominee thereof, agrees
to notify the Trust within sixty (60) days of the date that the Beneficial Owner
becomes a foreign person. The undersigned understands that this certificate may
be disclosed to the Internal Revenue Service by the Trust and any false
statement contained herein could be punishable by fines, imprisonment or both.



                                       D-2

<PAGE>




         Under penalties of perjury, I declare that I have examined this
certificate and to the best of my knowledge and belief it is true, correct and
complete and will further declare that I will inform the Trust of any change in
the information provided above, and, if applicable, I further declare that I
have the authority* to sign this document.


- ----------------------------------
              Name

- ----------------------------------
      Title (if applicable)

- ----------------------------------
     Signature and Date




*Note: If signed pursuant to a power of attorney, the power of attorney must
accompany this certificate.





                                       D-3

<PAGE>



                                                                       EXHIBIT E



                    FORM OF INVESTMENT LETTER [NON-RULE 144A]


                                     [DATE]

                             [Certificate Registrar]



         Re:  Impac Secured Assets CMN Trust Series 1998-1
                  Trust Certificates,
                  Series 1998-1 , (The "Certificates")
                  ------------------------------------

Ladies and Gentlemen:

         In connection with our acquisition of the above-captioned Certificates,
we certify that (a) we understand that the Certificates are not being registered
under the Securities Act of 1933, as amended (the "Act"), or any state
securities laws and are being transferred to us in a transaction that is exempt
from the registration requirements of the Act and any such laws, (b) we are an
"accredited investor," as defined in Regulation D under the Act, and have such
knowledge and experience in financial and business matters that we are capable
of evaluating the merits and risks of investments in the Certificates, (c) we
have had the opportunity to ask questions of and receive answers from the
Depositor concerning the purchase of the Certificates and all matters relating
thereto or any additional information deemed necessary to our decision to
purchase the Certificates, (d) we are not an employee benefit plan that is
subject to the Employee Retirement Income Security Act of 1974, as amended, or a
plan that is subject to Section 4975 of the Internal Revenue Code of 1986, as
amended, nor are we acting on behalf of any such plan, (e) we are acquiring the
Certificates for investment for our own account and not with a view to any
distribution of such Certificates (but without prejudice to our right at all
times to sell or otherwise dispose of the Certificates in accordance with clause
(g) below), (f) we have not offered or sold any Certificates to, or solicited
offers to buy any Certificates from, any person, or otherwise approached or
negotiated with any person with respect thereto, or taken any other action which
would result in a violation of Section 5 of the Act, and (g) we will not sell,
transfer or otherwise dispose of any Certificates unless (1) such sale, transfer
or other disposition is made pursuant to an effective registration statement
under the Act or is exempt from such registration requirements, and if
requested, we will at our expense provide an opinion of counsel satisfactory to
the addressees of this certificate that such sale, transfer or other disposition
may be made pursuant to an exemption from the Act, (2) the purchaser or
transferee of such Certificate has executed and delivered to you a certificate
to substantially the same effect as this certificate, and (3) the purchaser or
transferee has otherwise complied with any conditions for transfer set forth in
the Trust Agreement.


                                       E-1

<PAGE>



                                           Very truly yours,

                                           [TRANSFEREE]


                                           By:
                                               ---------------------------------
                                                  Authorized Officer



                                       E-2

<PAGE>



                                                                       EXHIBIT F


                              TRANSFER CERTIFICATE


Wilmington Trust Company, as Owner Trustee
11 North Market Street
Rodney Square North
Wilmington, Delaware  19890

Bankers Trust Company of California, N.A.
3 Park Plaza, 16th Floor
Irvine, California  92714

         Re:   Proposed Transfer Of Trust Certificates
               ---------------------------------------

Gentlemen:

This certification is being made by ______________ (the "Proposed Transferee")
in connection with the proposed Transfer to the Proposed Transferee of a trust
certificate (the "Trust Certificate") representing ___% fractional undivided
interest in Impac Secured Assets CMN Trust Series 1998- 1 (the "Trust") created
pursuant to a Deposit Trust Agreement, dated as of March 31, 1998 (such
agreement, as amended, being referred to herein as the "Deposit Trust
Agreement") between IMH Assets Corporation and Wilmington Trust Company, as
Owner Trustee. Initially capitalized terms used but not defined herein have the
meanings assigned to them in the Deposit Trust Agreement.
The Proposed Transferee hereby certifies as follows:

         1. The undersigned is a Person involved in the organization or
operation of the Trust or an affiliate of such a Person within the meaning of
Rule 3a-7 of the Investment Company Act.

         2. The Proposed Transferee understands that (a) the Trust Certificates
have not been and will not be registered or qualified under the Securities Act,
or the securities laws of any state, (b) neither the Trust nor the Owner Trustee
is required, and neither intends, to so register or qualify the Trust
Certificates, and (c) the Trust Certificates cannot be resold unless (i) they
are registered and qualified under the Securities Act and the applicable state
securities laws or (ii) an exemption from registration and qualification is
available.

         3. The Proposed Transferee is acquiring the Trust Certificate for its
own account for investment only and not with a view to or for sale or other
transfer in connection with any distribution of the Trust Certificate in any
manner that would violate the Securities Act or any applicable state securities
laws.

         4. The Proposed Transferee (a) is an accredited investor having such
knowledge and experience in financial and business matters, and in particular in
such matters related to securities


                                       F-1

<PAGE>


similar to the Trust Certificate, such that it is capable of evaluating the
merits and risks of investment in the Trust Certificate and (b) is able to bear
the economic risks of such an investment.

         5. The Proposed Transferee will not authorize nor has it authorized any
person (a) to offer, pledge, sell, dispose of or otherwise transfer any Trust
Certificate, any interest in any Trust Certificate or any other similar security
to any person in any manner, (b) to solicit any offer to buy or to accept a
pledge, disposition or other transfer of any Trust Certificate, any interest in
any Trust Certificate or any other similar security from any person in any
manner, (c) otherwise to approach or negotiate with respect to any Trust
Certificate, any interest in any Trust Certificate or any other similar security
with any person in any manner, (d) to make any general solicitation by means of
general advertising or in any other manner, or (e) to take any other action that
would constitute a distribution of any Trust Certificate under the Securities
Act, that would render the disposition of any Trust Certificate a violation of
Section 5 of the Securities Act or any state securities law, or that could
require registration or qualification pursuant thereto. Neither the Proposed
Transferee nor anyone acting on its behalf has offered any Trust Certificate for
sale or made any general solicitation by means of general advertising or in any
other manner with respect to the Trust Certificate. The Proposed Transferee will
not sell or otherwise transfer any Trust Certificates, except in compliance with
the provisions of the Deposit Trust Agreement.

Date:
     -------------                         ------------------------------------
                                                  Name of Proposed Transferee


                                           ------------------------------------
                                                  Signature


                                           ------------------------------------
                                                  Name


                                           ------------------------------------
                                                  Titled









================================================================================

                                       F-2




                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1

                                     Issuer

                                       and

                    BANKERS TRUST COMPANY OF CALIFORNIA, N.A.

                                Indenture Trustee

                    -----------------------------------------



                                    INDENTURE

                           Dated as of March 31, 1998

                   ------------------------------------------


                        COLLATERALIZED ASSET-BACKED NOTES


                                  -------------




<PAGE>



                                TABLE OF CONTENTS

SECTION                                                                     PAGE

ARTICLE I

         Definitions

         1.01.         DEFINITIONS.............................................2
         1.02.         INCORPORATION BY REFERENCE OF TRUST INDENTURE ACT.......2
         1.03.         RULES OF CONSTRUCTION...................................2

ARTICLE II

         Original Issuance of Notes

         2.01.         FORM....................................................4
         2.02.         EXECUTION, AUTHENTICATION AND DELIVERY..................4
         2.03.         ACCEPTANCE OF MORTGAGE LOANS BY INDENTURE TRUSTEE.......4

ARTICLE III

         Covenants

         3.01.         COLLECTION OF PAYMENTS WITH RESPECT TO THE 
                       MORTGAGE LOANS..........................................7
         3.02.         MAINTENANCE OF OFFICE OR AGENCY.........................7
         3.03.         MONEY FOR PAYMENTS TO BE HELD IN TRUST; PAYING AGENT....7
         3.04.         EXISTENCE...............................................9
         3.05.         PAYMENT OF PRINCIPAL AND INTEREST.......................9
         3.06.         PROTECTION OF TRUST ESTATE.............................14
         3.07.         OPINIONS AS TO TRUST ESTATE............................15
         3.08.         PERFORMANCE OF OBLIGATIONS.............................15
         3.09.         NEGATIVE COVENANTS.....................................16
         3.10.         ANNUAL STATEMENT AS TO COMPLIANCE......................16
         3.11.         [Reserved].............................................17
         3.12.         REPRESENTATIONS AND WARRANTIES CONCERNING THE 
                       MORTGAGE LOANS.........................................17
         3.13.         AMENDMENTS TO SERVICING AGREEMENT......................17
         3.14.         MASTER SERVICER AS AGENT AND BAILEE OF THE
                       INDENTURE TRUSTEE......................................17
         3.15.         INVESTMENT COMPANY ACT.................................17
         3.16.         ISSUER MAY CONSOLIDATE, ETC............................17
         3.17.         SUCCESSOR OR TRANSFEREE................................19
         3.18.         NO OTHER BUSINESS......................................20
         3.19.         NO BORROWING...........................................20
         3.20.         GUARANTEES, LOANS, ADVANCES AND OTHER LIABILITIES......20
         3.21.         CAPITAL EXPENDITURES...................................20
         3.22.         [Reserved].............................................20


<PAGE>



         3.23.         RESTRICTED PAYMENTS....................................20
         3.24.         NOTICE OF EVENTS OF DEFAULT............................20
         3.25.         FURTHER INSTRUMENTS AND ACTS...........................20
         3.26.         ALLOCATION OF REALIZED LOSSES..........................20

ARTICLE IV

         The Notes; Satisfaction and Discharge of Indenture

         4.01.         THE NOTES..............................................22
         4.02.         REGISTRATION OF AND LIMITATIONS ON TRANSFER AND
                       EXCHANGE OF NOTES; APPOINTMENT OF CERTIFICATE 
                       REGISTRAR..............................................22
         4.03.         MUTILATED, DESTROYED, LOST OR STOLEN NOTES.............23
         4.04.         PERSONS DEEMED OWNERS..................................24
         4.05.         CANCELLATION...........................................24
         4.06.         BOOK-ENTRY NOTES.......................................24
         4.07.         NOTICES TO DEPOSITORY..................................25
         4.08.         DEFINITIVE NOTES.......................................25
         4.09.         TAX TREATMENT..........................................26
         4.10.         SATISFACTION AND DISCHARGE OF INDENTURE................26
         4.11.         APPLICATION OF TRUST MONEY.............................27
         4.12.         REPAYMENT OF MONIES HELD BY PAYING AGENT...............27
         4.13.         TEMPORARY NOTES........................................27



         ARTICLE V

         DEFAULT AND REMEDIES

         5.01.         EVENTS OF DEFAULT......................................29
         5.02.         ACCELERATION OF MATURITY; RESCISSION AND ANNULMENT.....29
         5.03.         COLLECTION OF INDEBTEDNESS AND SUITS FOR ENFORCEMENT
                       BY INDENTURE TRUSTEE...................................30
         5.04.         REMEDIES; PRIORITIES...................................32
         5.05.         OPTIONAL PRESERVATION OF THE TRUST ESTATE..............33
         5.06.         LIMITATION OF SUITS....................................34
         5.07.         UNCONDITIONAL RIGHTS OF NOTEHOLDERS TO RECEIVE 
                       PRINCIPAL AND INTEREST.................................34
         5.08.         RESTORATION OF RIGHTS AND REMEDIES.....................34
         5.09.         RIGHTS AND REMEDIES CUMULATIVE.........................35
         5.10.         DELAY OR OMISSION NOT A WAIVER.........................35
         5.11.         CONTROL BY NOTEHOLDERS.................................35
         5.12.         WAIVER OF PAST DEFAULTS................................36
         5.13.         UNDERTAKING FOR COSTS..................................36
         5.14.         WAIVER OF STAY OR EXTENSION LAWS.......................36
         5.15.         SALE OF TRUST ESTATE...................................36


<PAGE>



         5.16.         ACTION ON NOTES........................................38

ARTICLE VI

         THE INDENTURE TRUSTEE

         6.01.         DUTIES OF INDENTURE TRUSTEE............................40
         6.02.         RIGHTS OF INDENTURE TRUSTEE............................41
         6.03.         INDIVIDUAL RIGHTS OF INDENTURE TRUSTEE.................41
         6.04.         INDENTURE TRUSTEE'S DISCLAIMER.........................41
         6.05.         NOTICE OF EVENT OF DEFAULT.............................42
         6.06.         REPORTS BY INDENTURE TRUSTEE TO HOLDERS................42
         6.07.         COMPENSATION AND INDEMNITY.............................42
         6.08.         REPLACEMENT OF INDENTURE TRUSTEE.......................42
         6.09.         SUCCESSOR INDENTURE TRUSTEE BY MERGER..................43
         6.10.         APPOINTMENT OF CO-INDENTURE TRUSTEE OR SEPARATE 
                       INDENTURE TRUSTEE......................................44
         6.11.         ELIGIBILITY; DISQUALIFICATION..........................45
         6.12.         PREFERENTIAL COLLECTION OF CLAIMS AGAINST ISSUER.......45
         6.13.         REPRESENTATIONS AND WARRANTIES.........................45
         6.14.         DIRECTIONS TO INDENTURE TRUSTEE........................46
         6.15.         THE AGENTS.............................................46

ARTICLE VII

         NOTEHOLDERS' LISTS AND REPORTS

         7.01.         ISSUER TO FURNISH INDENTURE TRUSTEE NAMES AND
                       ADDRESSES OF NOTEHOLDERS...............................47
         7.02.         PRESERVATION OF INFORMATION; COMMUNICATIONS 
                       TO NOTEHOLDERS.........................................47
         7.03.         REPORTS OF ISSUER......................................47
         7.04.         REPORTS BY INDENTURE TRUSTEE...........................48
         7.05.         STATEMENTS TO NOTEHOLDERS..............................48

ARTICLE VIII

         ACCOUNTS, DISBURSEMENTS AND RELEASES

         8.01.         COLLECTION OF MONEY....................................50
         8.02.         TRUST ACCOUNTS.........................................50
         8.03.         OFFICER'S CERTIFICATE..................................50
         8.04.         TERMINATION UPON DISTRIBUTION TO NOTEHOLDERS...........51
         8.05.         RELEASE OF TRUST ESTATE................................51
         8.06.         SURRENDER OF NOTES UPON FINAL PAYMENT..................51
         8.07.         OPTIONAL REDEMPTION OF THE NOTES.......................51



<PAGE>



ARTICLE IX

         SUPPLEMENTAL INDENTURES

         9.01.         SUPPLEMENTAL INDENTURES WITHOUT CONSENT OF 
                       NOTEHOLDERS............................................53
         9.02.         SUPPLEMENTAL INDENTURES WITH CONSENT OF NOTEHOLDERS....54
         9.03.         EXECUTION OF SUPPLEMENTAL INDENTURES...................55
         9.04.         EFFECT OF SUPPLEMENTAL INDENTURE.......................56
         9.05.         CONFORMITY WITH TRUST INDENTURE ACT....................56
         9.06.         REFERENCE IN NOTES TO SUPPLEMENTAL INDENTURES..........56

ARTICLE X

         MISCELLANEOUS

         10.01.        COMPLIANCE CERTIFICATES AND OPINIONS, ETC..............57
         10.02.        FORM OF DOCUMENTS DELIVERED TO INDENTURE TRUSTEE.......58
         10.03.        ACTS OF NOTEHOLDERS....................................59
         10.04.        NOTICES, ETC., TO INDENTURE TRUSTEE, ISSUER AND 
                       RATING AGENCIES........................................60
         10.05.        NOTICES TO NOTEHOLDERS; WAIVER.........................60
         10.06.        CONFLICT WITH TRUST INDENTURE ACT......................61
         10.07.        EFFECT OF HEADINGS.....................................61
         10.08.        SUCCESSORS AND ASSIGNS.................................61
         10.09.        SEPARABILITY...........................................61
         10.10.        BENEFITS OF INDENTURE..................................61
         10.11.        LEGAL HOLIDAYS.........................................61
         10.12.        GOVERNING LAW..........................................61
         10.13.        COUNTERPARTS...........................................62
         10.14.        RECORDING OF INDENTURE.................................62
         10.15.        ISSUER OBLIGATION......................................62
         10.16.        NO PETITION............................................62
         10.17.        INSPECTION.............................................62

Signatures and Seals .........................................................59
Acknowledgments ..............................................................60



<PAGE>



EXHIBITS

Exhibit A-1 - Form of Class A Notes 
Exhibit A-2 - Form of Class M Notes 
Exhibit A-3 - Form of Class B-1 Notes 
Exhibit B - Trustee's Initial Certification
Exhibit C - Trustee's Final Certification 
Exhibit D - Mortgage Loan Schedule

Appendix A  Definitions


<PAGE>



                  This Indenture, dated as of March 31, 1998, between Impac
Secured Assets CMN Trust Series 1998-1, a Delaware business trust, as Issuer
(the "Issuer"), and Bankers Trust Company of California, N.A., a national
banking association, as Indenture Trustee (the "Indenture Trustee"),

                                WITNESSETH THAT:

                  Each party hereto agrees as follows for the benefit of the
other party and for the equal and ratable benefit of the Holders of the Issuer's
Collateralized Asset-Backed Securities, Series 1998-1 (the "Securities").

                                 GRANTING CLAUSE

                  The Issuer hereby Grants to the Indenture Trustee at the
Closing Date, as trustee for the benefit of the Holders of the Notes, all of the
Issuer's right, title and interest in and to whether now existing or hereafter
created by (a) the Mortgage Loans, Substitute Mortgage Loans and the proceeds
thereof and all rights under the Related Documents; (b) all funds on deposit
from time to time in the Collection Account allocable to the Mortgage Loans
excluding any investment income from such funds; (c) all funds on deposit from
time to time in the Payment Account and in all proceeds thereof; (d) all funds
on deposit from time to time in the Interest Coverage Account (other than any
income thereon) and the Pre-Funding Account; (e) all rights under the (i)
Mortgage Loan Purchase Agreement as assigned to the Issuer, including right to
enforce the repurchase and indemnification obligations of the Seller and the
Guarantor, (ii) the Servicing Agreement and any Sub-Servicing Agreements and
(iii) any title and hazard insurance policies with respect to the Mortgaged
Property; and (f) all present and future claims, demands, causes and choses in
action in respect of any or all of the foregoing and all payments on or under,
and all proceeds of every kind and nature whatsoever in respect of, any or all
of the foregoing and all payments on or under, and all proceeds of every kind
and nature whatsoever in the conversion thereof, voluntary or involuntary, into
cash or other liquid property, all cash proceeds, accounts, accounts receivable,
notes, drafts, acceptances, checks, deposit accounts, rights to payment of any
and every kind, and other forms of obligations and receivables, instruments and
other property which at any time constitute all or part of or are included in
the proceeds of any of the foregoing (collectively, the "Trust Estate" or the
"Collateral").

                  The foregoing Grant is made in trust to secure the payment of
principal of and interest on, and any other amounts owing in respect of, the
Notes, equally and ratably without prejudice, priority or distinction, and to
secure compliance with the provisions of this Indenture, all as provided in this
Indenture.

                  The Indenture Trustee, as trustee on behalf of the Holders of
the Notes, acknowledges such Grant, accepts the trust under this Indenture in
accordance with the provisions hereof and agrees to perform its duties as
Indenture Trustee as required herein.



<PAGE>




                                    ARTICLE I

                                   Definitions

         Section 1.01. DEFINITIONS. For all purposes of this Indenture, except
as otherwise expressly provided herein or unless the context otherwise requires,
capitalized terms not otherwise defined herein shall have the meanings assigned
to such terms in the Definitions attached hereto as Appendix A which is
incorporated by reference herein. All other capitalized terms used herein shall
have the meanings specified herein.

         Section 1.02. INCORPORATION BY REFERENCE OF TRUST INDENTURE ACT.
Whenever this Indenture refers to a provision of the Trust Indenture Act (the
"TIA"), the provision is incorporated by reference in and made a part of this
Indenture. The following TIA terms used in this Indenture have the following
meanings:

                  "Commission" means the Securities and Exchange Commission.

                  "indenture securities" means the Notes.

                  "indenture security holder" means a Noteholder.

                  "indenture to be qualified" means this Indenture.

                  "indenture trustee" or "institutional trustee" means the
         Indenture Trustee.

                  "obligor" on the indenture securities means the Issuer and any
         other obligor on the indenture securities.

          All other TIA terms used in this Indenture that are defined by the
TIA, defined by TIA reference to another statute or defined by Commission rules
and have the meanings assigned to them by such definitions.

         Section 1.03. RULES OF CONSTRUCTION. Unless the context otherwise
requires:

                         (i) a term has the meaning assigned to it;

                        (ii) an accounting term not otherwise defined has the
         meaning assigned to it in accordance with generally accepted accounting
         principles as in effect from time to time;

                       (iii) "or" is not exclusive;

                        (iv) "including" means including without limitation;


                                        2

<PAGE>



                         (v) words in the singular include the plural and words
         in the plural include the singular; and

                        (vi) any agreement, instrument or statute defined or
         referred to herein or in any instrument or certificate delivered in
         connection herewith means such agreement, instru ment or statute as
         from time to time amended, modified or supplemented and includes (in
         the case of agreements or instruments) references to all attachments
         thereto and instruments incorporated therein; references to a Person
         are also to its permitted successors and assigns.


                                        3

<PAGE>



                                   ARTICLE II

                           Original Issuance of Notes

         Section 2.01. FORM. The Notes, together with the Indenture Trustee's
certificate of authentication, shall be in substantially the forms set forth in
Exhibits A-1 through A-3, with such appropriate insertions, omissions,
substitutions and other variations as are required or permitted by this
Indenture.

         The Notes shall be typewritten, printed, lithographed or engraved or
produced by any combination of these methods (with or without steel engraved
borders).

         The terms of the Notes set forth in Exhibits A-1 through A-3 are part
of the terms of this Indenture.

         Section 2.02. EXECUTION, AUTHENTICATION AND DELIVERY. The Notes shall
be executed on behalf of the Issuer by any of its Authorized Officers. The
signature of any such Authorized Officer on the Notes may be manual or
facsimile.

         Notes bearing the manual or facsimile signature of individuals who were
at any time Authorized Officers of the Issuer shall bind the Issuer,
notwithstanding that such individuals or any of them have ceased to hold such
offices prior to the authentication and delivery of such Notes or did not hold
such offices at the date of such Notes.

         The Indenture Trustee shall upon Issuer Request authenticate and
deliver Class A-1, Class A-2, Class A-3, Class A-4, Class A-5, Class M-1, Class
M-2 and Class B-1 Notes for original issue. The Notes shall be issued in an
aggregate initial principal amount of $292,395,000.00.

         Each Class of Notes shall be dated the date of its authentication. The
Class A Notes and Class M-1 Notes shall be issuable as registered Notes and
shall be issuable in the minimum initial Note Principal Balances of $25,000 and
in integral multiples of $1 in excess thereof. The Class M-2 Notes and Class B-1
Notes shall be issuable as registered Notes and shall be issuable in the minimum
initial Note Principal Balances of $250,000 and in integral multiples of $1 in
excess thereof.

         No Note shall be entitled to any benefit under this Indenture or be
valid or obligatory for any purpose, unless there appears on such Note a
certificate of authentication substantially in the form provided for herein
executed by the Indenture Trustee by the manual signature of one of its
authorized signatories, and such certificate upon any Note shall be conclusive
evidence, and the only evidence, that such Note has been duly authenticated and
delivered hereunder.

         Section 2.03. ACCEPTANCE OF MORTGAGE LOANS BY INDENTURE TRUSTEE. (a)
The Indenture Trustee acknowledges receipt of, subject to the exceptions it
notes pursuant to the procedures described below, the documents (or certified
copies thereof) referred to in Section 2.1(b) of the Mortgage Loan Purchase
Agreement and declares that it holds and will continue to hold those

                                        4

<PAGE>



documents and any amendments, replacements or supplements thereto and all other
assets of the Trust Estate as Indenture Trustee in trust for the use and benefit
of all present and future Holders of the Notes. No later than 45 days after the
Closing Date and each Subsequent Transfer Date (or, with respect to any Eligible
Substitute Mortgage Loan, within 5 days after the receipt by the Indenture
Trustee thereof and, with respect to any documents received beyond 45 days after
the Closing Date, promptly thereafter), the Indenture Trustee agrees, for the
benefit of the Noteholders, to review each Mortgage File delivered to it and to
execute and deliver, or cause to be executed and delivered, to the Seller and
the Master Servicer an Initial Certification in the form annexed hereto as
Exhibit B. In conducting such review, the Indenture Trustee will ascertain
whether all required documents described in Section 2.1(b) of the Mortgage Loan
Purchase Agreement have been executed and received and whether those documents
relate, determined on the basis of the Mortgagor name, original principal
balance and loan number, to the Mortgage Loans it has received, as identified in
Exhibit D to this Indenture, as supplemented (PROVIDED, HOWEVER, that with
respect to those documents described in subclause (b)(vii) of such section, the
Indenture Trustee's obligations shall extend only to documents actually
delivered pursuant to such subclause). In performing any such review, the
Indenture Trustee may conclusively rely on the purported due execution and
genuineness of any such document and on the purported genuineness of any
signature thereon. If the Indenture Trustee finds any document constituting part
of the Mortgage File not to have been executed or received, or to be unrelated
to the Mortgage Loans identified in Exhibit D or to appear to be defective on
its face, the Indenture Trustee shall promptly notify the Seller of such finding
and the Seller's obligation to cure such defect or repurchase or substitute for
the related Mortgage Loan.

         (b) No later than 180 days after the Closing Date, the Indenture
Trustee will review, for the benefit of the Noteholders, the Mortgage Files and
will execute and deliver or cause to be executed and delivered to the Seller, a
Final Certification in the form annexed hereto as Exhibit C. In conducting such
review, the Indenture Trustee will ascertain whether an original of each
document described in subclauses (b)(ii)-(iv) of Section 2.1 of the Mortgage
Loan Purchase Agreement required to be recorded has been returned from the
recording office with evidence of recording thereon or a certified copy has been
obtained from the recording office. If the Indenture Trustee finds any document
constituting part of the Mortgage File has not been received, or to be
unrelated, determined on the basis of the Mortgagor name, original principal
balance and loan number, to the Mortgage Loans identified in Exhibit D or to
appear defective on its face, the Indenture Trustee shall promptly notify the
Seller and the Indenture Trustee shall enforce its rights against the Seller
with respect thereto as provided in Section 2.1 of the Mortgage Loan Purchase
Agreement.

         (c) In the event of a repurchase of the related Mortgage Loan, upon
deposit of the Repurchase Price in the Payment Account, or in the event of a
substitution, upon deposit of the Substitution Adjustment Amount (or if none,
then within one Business Day of when the Mortgage File for the Eligible
Substitute Mortgage Loan is received), the Indenture Trustee shall release to
the Seller the related Mortgage File and shall execute and deliver all
instruments of transfer or assignment, without recourse, furnished to it by the
Seller as are necessary to vest in the Seller title to and rights under the
related Mortgage Loan. Such purchase shall be deemed to have occurred on the
date on which certification of the deposit of the Repurchase Price (or the

                                        5

<PAGE>



Substitution Adjustment Amount, if any) in the Payment Account was received by
the Indenture Trustee, or if no such amount was received, within one Business
Day of when the Mortgage File for the Eligible Substitute Mortgage Loan is
received. The Indenture Trustee shall amend the applicable Mortgage Loan
Schedule to reflect such repurchase or substitution and shall promptly notify
the Master Servicer and the Rating Agencies of such amendment.

                                        6

<PAGE>



                                   ARTICLE III

                                    Covenants

         Section 3.01. COLLECTION OF PAYMENTS WITH RESPECT TO THE MORTGAGE
LOANS. The Indenture Trustee shall establish and maintain an Eligible Account
(the "Payment Account") in which the Indenture Trustee shall, subject to the
terms of this paragraph, deposit, (i) on the same day as it is received from the
Master Servicer, each remittance received by the Indenture Trustee with respect
to the Mortgage Loans and (ii) all amounts transferred from the Pre-Funding
Account and the Interest Coverage Account. The Indenture Trustee shall make all
payments of principal of and interest on the Notes, subject to Section 3.03 as
provided in Section 3.05 herein from monies on deposit in the Payment Account.

         Section 3.02. MAINTENANCE OF OFFICE OR AGENCY. The Issuer will maintain
in the Borough of Manhattan, The City of New York, an office or agency where,
subject to satisfaction of conditions set forth herein, Notes may be surrendered
for registration of transfer or exchange, and where notices and demands to or
upon the Issuer in respect of the Notes and this Indenture may be served. The
Issuer hereby initially appoints the Indenture Trustee to serve as its agent for
the foregoing purposes. If at any time the Issuer shall fail to maintain any
such office or agency or shall fail to furnish the Indenture Trustee with the
address thereof, such surrenders, notices and demands may be made or served at
the Corporate Trust Office, and the Issuer hereby appoints the Indenture Trustee
as its agent to receive all such surrenders, notices and demands.

         Section 3.03. MONEY FOR PAYMENTS TO BE HELD IN TRUST; PAYING AGENT. (a)
As provided in Section 3.01, all payments of amounts due and payable with
respect to any Notes that are to be made from amounts withdrawn from the Payment
Account pursuant to Section 3.01 shall be made on behalf of the Issuer by the
Indenture Trustee or by the Paying Agent, and no amounts so withdrawn from the
Payment Account for payments of Notes shall be paid over to the Issuer except as
provided in this Section 3.03.

         The Issuer hereby designates the Indenture Trustee as Paying Agent,
which initially shall be Bankers Trust of California, N.A.

         The Issuer will cause each Paying Agent other than the Indenture
Trustee to execute and deliver to the Indenture Trustee an instrument in which
such Paying Agent shall agree with the Indenture Trustee (and if the Indenture
Trustee acts as Paying Agent it hereby so agrees), subject to the provisions of
this Section 3.03, that such Paying Agent will:

                         (i) hold all sums held by it for the payment of amounts
         due with respect to the Notes in trust for the benefit of the Persons
         entitled thereto until such sums shall be paid to such Persons or
         otherwise disposed of as herein provided and pay such sums to such
         Persons as herein provided;


                                        7

<PAGE>



                        (ii) give the Indenture Trustee notice of any default by
         the Issuer of which it has actual knowledge in the making of any
         payment required to be made with respect to the Notes;

                       (iii) at any time during the continuance of any such
         default, upon the written request of the Indenture Trustee, forthwith
         pay to the Indenture Trustee all sums so held in trust by such Paying
         Agent;

                        (iv) immediately resign as Paying Agent and forthwith
         pay to the Indenture Trustee all sums held by it in trust for the
         payment of Notes if at any time it ceases to meet the standards
         required to be met by a Paying Agent at the time of its appointment;

                         (v) comply with all requirements of the Code with
         respect to the withholding from any payments made by it on any Notes of
         any applicable withholding taxes imposed thereon and with respect to
         any applicable reporting requirements in connection therewith; and

                        (vi) not commence a Bankruptcy proceeding against the
         Issuer in connection with this Indenture.

         The Issuer may at any time, for the purpose of obtaining the
satisfaction and discharge of this Indenture or for any other purpose, by Issuer
Request direct any Paying Agent to pay to the Indenture Trustee all sums held in
trust by such Paying Agent, such sums to be held by the Indenture Trustee upon
the same trusts as those upon which the sums were held by such Paying Agent; and
upon such payment by any Paying Agent to the Indenture Trustee, such Paying
Agent shall be released from all further liability with respect to such money.

         Subject to applicable laws with respect to escheat of funds, any money
held by the Indenture Trustee or any Paying Agent in trust for the payment of
any amount due with respect to any Note and remaining unclaimed for one year
after such amount has become due and payable shall be discharged from such trust
and be paid to the Issuer on Issuer Request; and the Holder of such Note shall
thereafter, as an unsecured general creditor, look only to the Issuer for
payment thereof (but only to the extent of the amounts so paid to the Issuer),
and all liability of the Inden ture Trustee or such Paying Agent with respect to
such trust money shall thereupon cease; provided, however, that the Indenture
Trustee or such Paying Agent, before being required to make any such repayment,
shall at the expense and direction of the Issuer cause to be published once, in
an Authorized Newspaper published in the English language, notice that such
money remains unclaimed and that, after a date specified therein, which shall
not be less than 30 days from the date of such publication, any unclaimed
balance of such money then remaining will be repaid to the Issuer. The Indenture
Trustee may also adopt and employ, at the expense and direction of the Issuer,
any other reasonable means of notification of such repayment (including, but not
limited to, mailing notice of such repayment to Holders whose Notes have been
called but have not been surrendered for redemption or whose right to or
interest in monies due and payable but not claimed is determinable from the
records of the Indenture Trustee or of any Paying Agent, at the last address of
record for each such Holder).

                                        8

<PAGE>



         Section 3.04. EXISTENCE. The Issuer will keep in full effect its
existence, rights and franchises as a business trust under the laws of the State
of Delaware (unless it becomes, or any successor Issuer hereunder is or becomes,
organized under the laws of any other state or of the United States of America,
in which case the Issuer will keep in full effect its existence, rights and
franchises under the laws of such other jurisdiction) and will obtain and
preserve its qualification to do business in each jurisdiction in which such
qualification is or shall be necessary to protect the validity and
enforceability of this Indenture, the Notes, the Mortgage Loans and each other
instrument or agreement included in the Trust Estate.

         Section 3.05. PAYMENT OF PRINCIPAL AND INTEREST. (a) On each Payment
Date from amounts on deposit in the Payment Account in accordance with Section
8.02 hereof, the Indenture Trustee shall pay to the Noteholders, and to other
Persons the Interest Remittance Amount and Principal Distribution Amount.

         (b) On each Payment Date, the Interest Remittance Amount shall be
distributed in the following priority, in each case to the extent of the then
remaining Interest Remittance
Amount:

                           (i) to the Class A Noteholders, on a pro rata basis,
         Accrued Note Interest thereon for such Payment Date, plus any Unpaid
         Interest Shortfalls thereon remaining unpaid from any previous Payment
         Date; provided, however, that if on any Payment Date the Interest
         Remittance Amount is less than the aggregate Accrued Note Interest on
         the Class A Notes, the amount payable to the Class A Noteholders
         pursuant to this clause (i) shall be reduced on a pro rata basis among
         the Class A Notes based upon the Accrued Note Interest payable thereon;

                           (ii) to the Class M-1 Noteholders, Accrued Note
         Interest thereon for such Payment Date;

                           (iii) to the Class M-2 Noteholders, Accrued Note
         Interest thereon for such Payment Date;

                           (iv) to the Class B-1 Noteholders, Accrued Note
         Interest thereon for such Payment Date;

                           (v) to the Class M-1 Noteholders, any Unpaid Interest
         Shortfalls thereon remaining unpaid from any previous Payment Date;

                           (vi) to the Class M-2 Noteholders, any Unpaid
         Interest Shortfalls thereon remaining unpaid from any previous Payment
         Date;

                           (vii) to the Class B-1 Noteholders, any Unpaid
         Interest Shortfalls thereon remaining unpaid from any previous Payment
         Date;

                           (viii) to the Certificate Paying Agent on behalf of
         the Class B-2 Certificateholders, Accrued Certificate Interest thereon
         for such Payment Date; provided,

                                        9

<PAGE>



         however, that on any Payment Date on which the Certificate Principal
         Balance of the Class B-2 Certificates is reduced to zero due to
         Realized Losses, in the event the Note Principal Balance of the Class
         B-1 Notes would also be reduced on such Payment Date as a result of the
         allocation of Realized Losses, the amount payable to the Class B-2
         Certificates pursuant to this clause will be reduced by the amount
         which the Class B-1 Notes would have had its Note Principal Balance
         reduced; and

                  (ix) any amount remaining (such amount, the "Net Monthly
Excess Interest Amount") for such Payment Date shall be included in the Net
Monthly Excess Cash Flow and be
distributed as provided in 3.05(e).

         (c) On each Payment Date prior to the Stepdown Date, the Principal
Distribution Amount shall be distributed in the following priority, in each case
to the extent of the then remaining Principal Distribution Amount:

                           (i) first, to the Class A Noteholders, in the
         priorities set forth in Sections 3.05(f) and (g), until the aggregate
         Note Principal Balance of the Class A Notes has been reduced to zero,
         an amount equal to the lesser of (a) the Principal Distribution Amount
         for such Payment Date and (b) the aggregate Note Principal Balance of
         the Class A Notes immediately prior to such Payment Date;

                           (ii) second, to the Class M-1 Notes, until the Note
         Principal Balance of the Class M-1 Notes has been reduced to zero;

                           (iii) third, to the Class M-2 Notes, until the Note
         Principal Balance of the Class M-2 Notes has been reduced to zero;

                           (iv) fourth, to the Class B-1 Notes, until the Note
         Principal Balance of the Class B-1 Notes has been reduced to zero;

                           (v) fifth, to the Certificate Paying Agent on behalf
         of the Class B-2 Certificates, until the Certificate Principal Balance
         of the Class B-2 Certificates has been reduced to zero;

                           (vi) sixth, any remaining amount (such amount, the
         "Net Monthly Excess Principal Amount") for such Payment Date shall be
         included in the Net Monthly Excess Cash Flow and distributed as
         described in Section 3.05(e).

         (d) On each Payment Date on or after the Stepdown Date, the Principal
Distribution Amount shall be distributed in the following priority, in each case
to the extent of the then remaining Principal Distribution Amount:

                           (i) first, to the Class A Notes, in the manner and
         priority as described in the Section 3.05(f) and (g), until the Note
         Principal Balances of the Class A Notes have been reduced to an amount
         equal to (x) the aggregate Principal Balance of the Mortgage

                                       10

<PAGE>



         Loans as of the last day of the related Due Period minus (y) the
         greater of (a) 55.045% of the aggregate Principal Balance of the
         Mortgage Loans as of the last day of the related Due Period plus the
         Required Overcollateralization Amount for such Payment Date and (b)
         $1,500,000;

                           (ii) second, from the balance, if any, remaining of
         the Principal Distribution Amount after the distribution described in
         clause (i) above, to the Class M-1 Notes, until the sum of the Note
         Principal Balance of the Class A Notes and the Class M-1 Notes has been
         reduced to an amount equal to (x) the aggregate Principal Balance of
         the Mortgage Loans as of the last day of the related Due Period minus
         (y) the greater of (a) 37.37% of the aggregate Principal Balance of the
         Mortgage Loans as of the last day of the related Due Period plus the
         Required Overcollateralization Amount for such Payment Date and (b)
         $1,500,000.

                           (iii) third, from the balance, if any, remaining of
         the Principal Distribution Amount after the distributions described in
         clauses (i) and (ii) above, to the Class M-2 Notes, until the sum of
         the Note Principal Balance of the Class A Notes and the Class M Notes
         has been reduced to an amount equal to (x) the aggregate Principal
         Balance of the Mortgage Loans as of the last day of the related Due
         Period minus (y) the greater of (a) 21.21% of the aggregate Principal
         Balance of the Mortgage Loans as of the last day of the related Due
         Period plus the Required Overcollateralization Amount for such Payment
         Date and (b) $1,500,000;

                           (iv) fourth, from the balance, if any, remaining of
         the Principal Distribution Amount after the distributions described in
         clauses (i) through (iii) above, to the Class B-1 Notes, until the sum
         of the Note Principal Balance of the Class A Notes, the Class M Notes
         and the Class B-1 Notes has been reduced to an amount equal to (x) the
         aggregate Principal Balance of the Mortgage Loans as of the last day of
         the related Due Period minus (y) the greater of (a) 7.07% of the
         aggregate Principal Balance of the Mortgage Loans as of the last day of
         the related Due Period plus the Required Overcollateralization Amount
         for such Payment Date and (b) $1,500,000; and

                           (v) fifth, from the balance, if any, remaining of the
         Principal Distribution Amount after the distributions described in
         clauses (i) through (iv) above, to the Certificate Paying Agent on
         behalf of the Holders of the Class B-2 Certificates, until the sum of
         the Note Principal Balance of the Class A Notes, the Class M Notes and
         the Class B-1 Notes and the Certificate Principal Balance of the Class
         B-2 Certificates has been reduced to an amount equal to (x) the
         aggregate Principal Balance of the Mortgage Loans as of the last day of
         the related Due Period minus the Required Overcollateralization Amount
         for such Payment Date; and

                           (vi) sixth, any amount remaining (such amount, the
         "Net Monthly Excess Principal Amount") shall be included in the Net
         Monthly Excess Cash Flow as described in Section 3.05(e) and applied as
         described therein (except with regard to clause (ii)
         thereof).

                                       11

<PAGE>



         (e) On each Payment Date, the Net Monthly Excess Cash Flow will be
distributed as follows, in each case to the extent of the then remaining Net
Monthly Excess Cash Flow:

                  (i) first, to pay any Unpaid Interest Shortfall not previously
                  paid on the Class A Notes on a pro rata basis until reduced to
                  zero;

                  (ii) second, to fund the Extra Principal Distribution Amount
                  for such Payment
                  Date;

                  (iii) third, to pay any Unpaid Interest Shortfall not
                  previously paid on the Class M-1 Notes until reduced to zero;

                  (iv) fourth, to reimburse the Class M-1 Notes for Realized
                  Losses previously allocated thereto pursuant to Section 3.26
                  until fully reimbursed;

                  (v) fifth, to pay any Unpaid Interest Shortfall not previously
                  paid on the Class M-2 Notes until reduced to zero;

                  (vi) sixth, to reimburse the Class M-2 Notes for Realized
                  Losses previously allocated thereto pursuant to Section 3.26
                  until fully reimbursed;

                  (vii) seventh, to pay any Unpaid Interest Shortfall not
                  previously paid on the Class B-1 Notes until reduced to zero;

                  (viii) eighth, to reimburse the Class B-1 Notes for Realized
                  Losses previously allocated thereto pursuant to Section 3.26
                  until fully reimbursed;

                  (ix) ninth, to pay any Unpaid Interest Shortfall not
                  previously paid on the Class B-2 Certificates until reduced to
                  zero;

                  (x) tenth, to reimburse the Class B-2 Certificates for
                  Realized Losses previously allocated thereto pursuant to
                  Section 3.26 until fully reimbursed;

                  (xi) eleventh, any remaining amounts will be distributed to
                  the Indenture Trustee for amounts owing the Indenture Trustee
                  hereunder remaining unpaid; and

                  (xii) twelfth, any remaining amounts will be distributed to
                  the Issuer or the Certificate Paying Agent, as its designee,
                  for the benefit of the Holders of the Trust
                  Certificates.

                  (f) Distributions of the Senior Principal Distribution Amount
on the Class A Notes on each Payment Date occurring prior to the occurrence of
the Credit Support Depletion Date will be made as follows, in each case to the
extent of the then remaining Senior Principal Distribution Amount:


                                       12

<PAGE>



                           (A) first, to the Class A-1 Notes, until the Note
                           Principal Balance of the Class A-1 Notes has been
                           reduced to zero;

                           (B) second, to the Class A-2 Notes, until the Note
                           Principal Balance of the Class A-2 Notes has been
                           reduced to zero;

                           (C) third, to the Class A-3 Notes, until the Note
                           Principal Balance of the
                           Class A-3 Notes has been reduced to zero;

                           (D) fourth, to the Class A-4 Notes, until the Note
                           Principal Balance of the Class A-4 Notes has been
                           reduced to zero; and

                           (E) fifth, to the Class A-5 Notes, until the Note
                           Principal Balance of the
                           Class A-5 Notes has been reduced to zero.

                  (g) On or after the occurrence of the Credit Support Depletion
Date, all priorities relating to distributions as described in Section 3.05(f)
above in respect of principal among the various Classes of Class A Notes will be
disregarded, and the Senior Principal Distribution Amount will be distributed to
all Classes of Class A Notes pro rata in accordance with
their respective outstanding Note Principal Balances.

                  (h) Each distribution with respect to a Book-Entry Note shall
be paid to the Depository, as Holder thereof, and the Depository shall be
responsible for crediting the amount of such distribution to the accounts of its
Depository Participants in accordance with its normal procedures. Each
Depository Participant shall be responsible for disbursing such distribution to
the Note Owners that it represents and to each indirect participating brokerage
firm (a "brokerage firm" or "indirect participating firm") for which it acts as
agent. Each brokerage firm shall be responsible for disbursing funds to the Note
Owners that it represents. None of the Indenture Trustee, the Note Registrar,
the Depositor or the Master Servicer shall have any responsibility therefor
except as otherwise provided by this Agreement or applicable law.

                  (i) On each Payment Date, the Certificate Paying Agent shall
deposit in the Certificate Distribution Account all amounts it received pursuant
to this Section 3.05 for the purpose of distributing such funds to the Trust
Certificateholders.

                  (k) Any installment of interest or principal, if any, payable
on any Note that is punctually paid or duly provided for by the Issuer on the
applicable Payment Date shall, if such Holder shall have so requested at least
five Business Days prior to the related Record Date and such Holder holds Notes
of an aggregate initial Note Principal Balance of at least $5,000,000, be paid
to each Holder of record on the preceding Record Date, by wire transfer to an
account specified in writing by such Holder reasonably satisfactory to the
Indenture Trustee as of the preceding Record Date or in all other cases or if no
such instructions have been delivered to the Indenture Trustee, by check to such
Noteholder mailed to such Holder's address as it appears in the Note Register in
the amount required to be distributed to such Holder on such Payment Date

                                       13

<PAGE>



pursuant to such Holder's Notes; PROVIDED, HOWEVER, that the Indenture Trustee
shall not pay to such Holders any amount required to be withheld from a payment
to such Holder by the Code.

                  (l) The principal of each Note shall be due and payable in
full on the Final Scheduled Payment Date for such Note as provided in the forms
of Note set forth in Exhibits A-1 through A-3. All principal payments on the
Notes shall be made to the Noteholders entitled thereto in accordance with the
Percentage Interests represented by such Notes. Upon notice to the Indenture
Trustee by the Issuer, the Indenture Trustee shall notify the Person in whose
name a Note is registered at the close of business on the Record Date preceding
the Final Scheduled Payment Date or other final Payment Date (including any
final Payment Date resulting from any redemption pursuant to Section 8.07
hereof). Such notice shall to the extent practicable be mailed no later than
five Business Days prior to such Final Scheduled Payment Date or other final
Payment Date and shall specify that payment of the principal amount and any
interest due with respect to such Note at the Final Scheduled Payment Date or
other final Payment Date will be payable only upon presentation and surrender of
such Note and shall specify the place where such Note may be presented and
surrendered for such final payment. No interest shall accrue on the Notes on or
after the Final Scheduled Payment Date or any such other final Payment Date.

         Section 3.06. PROTECTION OF TRUST ESTATE. (a) The Issuer will from time
to time prepare, execute and deliver all such supplements and amendments hereto
and all such financing statements, continuation statements, instruments of
further assurance and other instruments, and will take such other action
necessary or advisable to:

                       (i) maintain or preserve the lien and security interest
         (and the priority thereof) of this Indenture or carry out more
         effectively the purposes hereof;

                       (ii) perfect, publish notice of or protect the validity
         of any Grant made or to be made by this Indenture;

                       (iii) cause the Issuer or Master Servicer to enforce any
         of the rights to the Mortgage Loans; or

                       (iv) preserve and defend title to the Trust Estate and
         the rights of the Indenture Trustee and the Noteholders in such Trust
         Estate against the claims of all persons and parties.

         (b) Except as otherwise provided in this Indenture, the Indenture
Trustee shall not remove any portion of the Trust Estate that consists of money
or is evidenced by an instrument, certificate or other writing from the
jurisdiction in which it was held at the date of the most recent Opinion of
Counsel delivered pursuant to Section 3.07 hereof (or from the jurisdiction in
which it was held as described in the Opinion of Counsel delivered on the
Closing Date pursuant to Section 3.07(a) hereof, or if no Opinion of Counsel has
yet been delivered pursuant to Section 3.07(b) hereof unless the Indenture
Trustee shall have first received an Opinion of Counsel to the effect that the
lien and security interest created by this Indenture with respect to such
property will continue to be maintained after giving effect to such action or
actions).

                                       14

<PAGE>



         The Issuer hereby designates the Indenture Trustee its agent and
attorney-in-fact to sign any financing statement, continuation statement or
other instrument required to be signed pursuant to this Section 3.06 upon the
Issuer's preparation thereof and delivery to the Indenture
Trustee.

         Section 3.07. OPINIONS AS TO TRUST ESTATE. (a) On the Closing Date, the
Issuer shall furnish to the Indenture Trustee and the Owner Trustee an Opinion
of Counsel either stating that, in the opinion of such counsel, such action has
been taken with respect to the recording and filing of this Indenture, any
indentures supplemental hereto, and any other requisite documents, and with
respect to the execution and filing of any financing statements and continuation
statements, as are necessary to perfect and make effective the lien and first
priority security interest in the Collateral and reciting the details of such
action, or stating that, in the opinion of such counsel, no such action is
necessary to make such lien and first priority security interest effective.

         (b) On or before April 15 in each calendar year, beginning in 1999, the
Issuer shall furnish to the Indenture Trustee an Opinion of Counsel at the
expense of the Issuer either stating that, in the opinion of such counsel, such
action has been taken with respect to the recording, filing, rerecording and
refiling of this Indenture, any indentures supplemental hereto and any other
requisite documents and with respect to the execution and filing of any
financing statements and continuation statements as is necessary to maintain the
lien and first priority security interest in the Collateral and reciting the
details of such action or stating that in the opinion of such counsel no such
action is necessary to maintain such lien and security interest. Such Opinion of
Counsel shall also describe the recording, filing, re-recording and refiling of
this Indenture, any indentures supplemental hereto and any other requisite
documents and the execution and filing of any financing statements and
continuation statements that will, in the opinion of such counsel, be required
to maintain the lien and security interest in the Collateral until December 31
in the following calendar year.

         Section 3.08. PERFORMANCE OF OBLIGATIONS. (a) The Issuer will
punctually perform and observe all of its obligations and agreements contained
in this Indenture, the Basic Documents and in the instruments and agreements
included in the Trust Estate.

         (b) The Issuer may contract with other Persons to assist it in
performing its duties under this Indenture, and any performance of such duties
by a Person identified to the Indenture Trustee in an Officer's Certificate of
the Issuer shall be deemed to be action taken by the Issuer.

         (c) The Issuer will not take any action or permit any action to be
taken by others which would release any Person from any of such Person's
covenants or obligations under any of the documents relating to the Mortgage
Loans or under any instrument included in the Trust Estate, or which would
result in the amendment, hypothecation, subordination, termination or discharge
of, or impair the validity or effectiveness of, any of the documents relating to
the Mortgage Loans or any such instrument, except such actions as the Master
Servicer is expressly permitted to take in the Servicing Agreement. The
Indenture Trustee, as pledgee of the Mortgage Loans, shall be able to exercise
the rights of the Issuer to direct the actions of the Master Servicer pursuant
to the Servicing Agreement.


                                       15

<PAGE>



         (d) The Issuer may retain an administrator and may enter into contracts
with other Persons for the performance of the Issuer's obligations hereunder,
and performance of such obligations by such Persons shall be deemed to be
performance of such obligations by the Issuer.

         Section 3.09. NEGATIVE COVENANTS. So long as any Notes are Outstanding,
the Issuer shall not:

                         (i) except as expressly permitted by this Indenture,
         sell, transfer, exchange or otherwise dispose of the Trust Estate,
         unless directed to do so by the Indenture Trustee;

                        (ii) claim any credit on, or make any deduction from the
         principal or interest payable in respect of, the Notes (other than
         amounts properly withheld from such payments under the Code) or assert
         any claim against any present or former Noteholder by reason of the
         payment of the taxes levied or assessed upon any part of the Trust
         Estate;

                       (iii) (A) permit the validity or effectiveness of this
         Indenture to be impaired, or permit the lien of this Indenture to be
         amended, hypothecated, subordinated, terminated or discharged, or
         permit any Person to be released from any covenants or obligations with
         respect to the Notes under this Indenture except as may be expressly
         permitted hereby, (B) permit any lien, charge, excise, claim, security
         interest, mortgage or other encumbrance (other than the lien of this
         Indenture) to be created on or extend to or other wise arise upon or
         burden the Trust Estate or any part thereof or any interest therein or
         the proceeds thereof or (C) permit the lien of this Indenture not to
         constitute a valid first priority security interest in the Trust
         Estate; or

                        (iv) waive or impair, or fail to assert rights under,
         the Mortgage Loans, or impair or cause to be impaired the Issuer's
         interest in the Mortgage Loans, the Mortgage Loan Purchase Agreement or
         in any Basic Document, if any such action would materially
         and adversely affect the interests of the Noteholders.

         Section 3.10. ANNUAL STATEMENT AS TO COMPLIANCE. The Issuer will
deliver to the Indenture Trustee, within 120 days after the end of each fiscal
year (which, for the Issuer, is the calendar year) of the Issuer (commencing
with the fiscal year 1998), an Officer's Certificate stating, as to
the Authorized Officer signing such Officer's Certificate, that:

                         (i) a review of the activities of the Issuer during
         such year and of its performance under this Indenture has been made
         under such Authorized Officer's supervision; and

                        (ii) to the best of such Authorized Officer's knowledge,
         based on such review, the Issuer has complied with all conditions and
         covenants under this Indenture throughout such year, or, if there has
         been a default in its compliance with any such condition or covenant,
         specifying each such default known to such Authorized Officer and the
         nature and status thereof.


                                       16

<PAGE>



         Section 3.11.     [Reserved].

         Section 3.12. REPRESENTATIONS AND WARRANTIES CONCERNING THE MORTGAGE
LOANS. The Indenture Trustee, as pledgee of the Mortgage Loans, has the benefit
of the representations and warranties made by the Seller in the Mortgage Loan
Purchase Agreement concerning the Seller and the Mortgage Loans and the right to
enforce the remedies against the Seller provided in such Mortgage Loan Purchase
Agreement to the same extent as though such representations and warranties were
made directly to the Indenture Trustee. If the Indenture Trustee has actual
knowledge of any breach of any representation or warranty made by the Seller in
the Mortgage Loan Purchase Agreement, the Indenture Trustee shall promptly
notify the Seller of such finding and the Seller's obligation to cure such
defect or repurchase or substitute for the related Mortgage Loan.

         Section 3.13. AMENDMENTS TO SERVICING AGREEMENT. The Issuer covenants
with the Inden ture Trustee that it will not enter into any amendment or
supplement to the Servicing Agreement without the prior written consent of the
Indenture Trustee. The Indenture Trustee, as pledgee of the Mortgage Loans, may
decline to enter into or consent to any such supplement or amendment if the
Noteholders' rights, duties or immunities shall be adversely affected.

         Section 3.14. MASTER SERVICER AS AGENT AND BAILEE OF THE INDENTURE
TRUSTEE. Solely for purposes of perfection under Section 9-305 of the Uniform
Commercial Code or other similar applicable law, rule or regulation of the state
in which such property is held by the Master Servicer, the Issuer and the
Indenture Trustee hereby acknowledge that the Master Servicer is acting as agent
and bailee of the Indenture Trustee in holding amounts on deposit in the
Collection Account, as well as its agent and bailee in holding any Related
Documents released to the Master Servicer, and any other items constituting a
part of the Trust Estate which from time to time come into the possession of the
Master Servicer. It is intended that, by the Master Servicer's acceptance of
such agency, the Indenture Trustee, as a secured party of the Mortgage Loans,
will be deemed to have possession of such Related Documents, such monies and
such other items for purposes of Section 9-305 of the Uniform Commercial Code of
the state in which such property is held by the Master Servicer.

         Section 3.15. INVESTMENT COMPANY ACT. The Issuer shall not become an
"investment company" or under the "control" of an "investment company" as such
terms are defined in the Investment Company Act of 1940, as amended (or any
successor or amendatory statute), and the rules and regulations thereunder
(taking into account not only the general definition of the term "investment
company" but also any available exceptions to such general definition);
provided, however, that the Issuer shall be in compliance with this Section 3.15
if it shall have obtained an order exempting it from regulation as an
"investment company" so long as it is in compliance with the conditions imposed
in such order.

         Section 3.16. ISSUER MAY CONSOLIDATE, ETC. (a) The Issuer shall not
consolidate or merge with or into any other Person, unless:


                                       17

<PAGE>



                         (i) the Person (if other than the Issuer) formed by or
         surviving such consolidation or merger shall be a Person organized and
         existing under the laws of the United States of America or any state or
         the District of Columbia and shall expressly assume, by an indenture
         supplemental hereto, executed and delivered to the Indenture Trustee,
         in form reasonably satisfactory to the Indenture Trustee, the due and
         punctual payment of the principal of and interest on all Notes and to
         the Certificate Paying Agent, on behalf of the Certificateholders and
         the performance or observance of every agreement and covenant of this
         Indenture on the part of the Issuer to be performed or observed, all as
         provided herein;

                        (ii) immediately after giving effect to such
         transaction, no Event of Default shall have occurred and be continuing;

                       (iii) the Rating Agencies shall have notified the Issuer
         that such transaction shall not cause the rating of the Notes to be
         reduced, suspended or withdrawn or to be considered by either Rating
         Agency to be below investment grade;

                        (iv) the Issuer shall have received an Opinion of
         Counsel (and shall have delivered a copy thereof to the Indenture
         Trustee) to the effect that such transaction will not (A) result in a
         "substantial modification" of the Notes under Treasury Regulation
         section 1.1001-3, or adversely affect the status of the Notes as
         indebtedness for federal income tax purposes, or (B) if 100% of the
         Certificates are not owned by Impac Secured Assets Corp., cause the
         Trust to be subject to an entity level tax for federal income tax
         purposes;

                         (v) any action that is necessary to maintain the lien
         and security interest created by this Indenture shall have been taken;
         and

                        (vi) the Issuer shall have delivered to the Indenture
         Trustee an Officer's Certificate and an Opinion of Counsel each stating
         that such consolidation or merger and such supplemental indenture
         comply with this Article III and that all conditions precedent herein
         provided for relating to such transaction have been complied with
         (including any filing required by the Exchange Act).

         (b) The Issuer shall not convey or transfer any of its properties or
assets, including those included in the Trust Estate, to any Person, unless:

                         (i) the Person that acquires by conveyance or transfer
         the properties and assets of the Issuer the conveyance or transfer of
         which is hereby restricted shall (A) be a United States citizen or a
         Person organized and existing under the laws of the United States of
         America or any state, (B) expressly assumes, by an indenture
         supplemental hereto, executed and delivered to the Indenture Trustee,
         in form satisfactory to the Indenture Trustee, the due and punctual
         payment of the principal of and interest on all Notes and the
         performance or observance of every agreement and covenant of this
         Indenture on the part of the Issuer to be performed or observed, all as
         provided herein, (C) expressly agrees by

                                       18

<PAGE>



         means of such supplemental indenture that all right, title and interest
         so conveyed or trans ferred shall be subject and subordinate to the
         rights of the Holders of the Notes, (D) unless otherwise provided in
         such supplemental indenture, expressly agrees to indemnify, defend and
         hold harmless the Issuer against and from any loss, liability or
         expense arising under or related to this Indenture and the Notes and
         (E) expressly agrees by means of such supplemental indenture that such
         Person (or if a group of Persons, then one specified Person) shall make
         all filings with the Commission (and any other appropriate Person)
         required by the Exchange Act in connection with the Notes;

                        (ii) immediately after giving effect to such
         transaction, no Default or Event of Default shall have occurred and be
         continuing;

                       (iii) the Rating Agencies shall have notified the Issuer
         that such transaction shall not cause the rating of the Notes to be
         reduced, suspended or withdrawn or to be considered by either Rating
         Agency to be below investment grade;

                        (iv) the Issuer shall have received an Opinion of
         Counsel (and shall have delivered a copy thereof to the Indenture
         Trustee) to the effect that such transaction will not (A) result in a
         "substantial modification" of the Notes under Treasury Regulation
         section 1.1001-3, or adversely affect the status of the Notes as
         indebtedness for federal income tax purposes, or (B) if 100% of the
         Certificates are not owned by Impac Secured Assets Corp., cause the
         Trust to be subject to an entity level tax for federal income tax
         purposes;

                         (v) any action that is necessary to maintain the lien
         and security interest created by this Indenture shall have been taken;
         and

                        (vi) the Issuer shall have delivered to the Indenture
         Trustee an Officer's Certificate and an Opinion of Counsel each stating
         that such conveyance or transfer and such supplemental indenture comply
         with this Article III and that all conditions precedent herein provided
         for relating to such transaction have been complied with (including any
         filing required by the Exchange Act).

         Section 3.17. SUCCESSOR OR TRANSFEREE. (a) Upon any consolidation or
merger of the Issuer in accordance with Section 3.16(a), the Person formed by or
surviving such consolidation or merger (if other than the Issuer) shall succeed
to, and be substituted for, and may exercise every right and power of, the
Issuer under this Indenture with the same effect as if such Person had been
named as the Issuer herein.

         (b) Upon a conveyance or transfer of all the assets and properties of
the Issuer pursuant to Section 3.16(b), the Issuer will be released from every
covenant and agreement of this Indenture to be observed or performed on the part
of the Issuer with respect to the Notes immediately upon the delivery of written
notice to the Indenture Trustee of such conveyance or transfer.


                                       19

<PAGE>



         Section 3.18. NO OTHER BUSINESS. The Issuer shall not engage in any
business other than financing, purchasing, owning and selling and managing the
Mortgage Loans and the issuance of the Notes and Certificates in the manner
contemplated by this Indenture and the Basic Documents and all activities
incidental thereto.

         Section 3.19. NO BORROWING. The Issuer shall not issue, incur, assume,
guarantee or otherwise become liable, directly or indirectly, for any
indebtedness except for the Notes.

         Section 3.20. GUARANTEES, LOANS, ADVANCES AND OTHER LIABILITIES. Except
as contemplated by this Indenture or the Basic Documents, the Issuer shall not
make any loan or advance or credit to, or guarantee (directly or indirectly or
by an instrument having the effect of assuring another's payment or performance
on any obligation or capability of so doing or otherwise), endorse or otherwise
become contingently liable, directly or indirectly, in connection with the
obligations, stocks or dividends of, or own, purchase, repurchase or acquire (or
agree contingently to do so) any stock, obligations, assets or securities of, or
any other interest in, or make any capital contribution to, any other Person.

         Section 3.21. CAPITAL EXPENDITURES. The Issuer shall not make any
expenditure (by long- term or operating lease or otherwise) for capital assets
(either realty or personalty).

         Section 3.22. [Reserved]

         Section 3.23. RESTRICTED PAYMENTS. The Issuer shall not, directly or
indirectly, (i) pay any dividend or make any distribution (by reduction of
capital or otherwise), whether in cash, property, securities or a combination
thereof, to the Owner Trustee or any owner of a beneficial interest in the
Issuer or otherwise with respect to any ownership or equity interest or security
in or of the Issuer, (ii) redeem, purchase, retire or otherwise acquire for
value any such ownership or equity interest or security or (iii) set aside or
otherwise segregate any amounts for any such purpose; PROVIDED, HOWEVER, that
the Issuer may make, or cause to be made, (x) distributions to the Owner Trustee
and the Certificateholders as contemplated by, and to the extent funds are
available for such purpose under this Indenture and the Trust Agreement and (y)
payments to the Master Servicer pursuant to the terms of the Servicing
Agreement. The Issuer will not, directly or indirectly, make payments to or
distributions from the Collection Account except in accordance with this
Indenture and the Basic Documents.

         Section 3.24. NOTICE OF EVENTS OF DEFAULT. The Issuer shall give the
Indenture Trustee and the Rating Agencies prompt written notice of each Event of
Default hereunder and under the Trust Agreement.

         Section 3.25. FURTHER INSTRUMENTS AND ACTS. Upon request of the
Indenture Trustee, the Issuer will execute and deliver such further instruments
and do such further acts as may be reasonably necessary or proper to carry out
more effectively the purpose of this Indenture.

         Section 3.26. ALLOCATION OF REALIZED LOSSES. On each Payment Date
following the application of all amounts distributable on such date, to the
extent the aggregate Principal Balance

                                       20

<PAGE>



of the Mortgage Loans is less than the sum of the aggregate Note Principal
Balances of the Notes and Certificate Principal Balance of the Class B-2
Certificates due to Realized Losses on the Mortgage Loans, the Note Principal
Balances of the Notes and the Certificate Principal Balance of the Certificates,
as applicable, shall be reduced as follows, until such deficiency is fully
allocated: first, the Certificate Principal Balance of the Class B-2
Certificates shall be reduced, until the Certificate Principal Balance thereof
has been reduced to zero; second, the Note Principal Balance of the Class B-1
Notes shall be reduced, until the Note Principal Balance thereof has been
reduced to zero; third, the Note Principal Balance of the Class M-2 Notes shall
be reduced, until the Note Principal Balance thereof has been reduced to zero;
and fourth, the Note Principal Balance of the Class M-1 Notes shall be reduced,
until the Note Principal Balance thereof has been reduced to zero. The Note
Principal Balances of the Class A Notes will not be so reduced and will continue
to receive Accrued Note Interest thereon in accordance with Section 3.05(b).

         (c) Any allocation of Realized Losses to a Class of Notes or
Certificates, as applicable, shall be made by reducing the Note Principal
Balance or Certificate Principal Balance thereof by the amount so allocated,
which allocation shall be deemed to have occurred on such Payment Date. All
Realized Losses and all other losses allocated to a Class of Notes or
Certificates, as applicable, hereunder will be allocated among the Notes or
Certificates, as applicable, of such Class in proportion to the Percentage
Interests evidenced thereby.





                                       21

<PAGE>



                                   ARTICLE IV

               The Notes; Satisfaction and Discharge of Indenture

         Section 4.01. THE NOTES. The Notes shall be registered in the name of a
nominee desig nated by the Depository. Beneficial Owners will hold interests in
the Class A Notes and Class M- 1 Notes through the book-entry facilities of the
Depository in minimum initial Note Principal Balances of $25,000 and integral
multiples of $1 in excess thereof. Beneficial Owners will hold interests in the
Class M-2 Notes and Class B-1 Notes through the book-entry facilities of the
Depository in minimum initial Note Principal Balances of $250,000 and integral
multiples of $1 in excess thereof.

         The Indenture Trustee may for all purposes (including the making of
payments due on the Notes) deal with the Depository as the authorized
representative of the Beneficial Owners with respect to the Notes for the
purposes of exercising the rights of Holders of the Notes hereunder. Except as
provided in the next succeeding paragraph of this Section 4.01, the rights of
Beneficial Owners with respect to the Notes shall be limited to those
established by law and agreements between such Beneficial Owners and the
Depository and Depository Participants. Except as provided in Section 4.08
hereof, Beneficial Owners shall not be entitled to definitive certificates for
the Notes as to which they are the Beneficial Owners. Requests and directions
from, and votes of, the Depository as Holder of the Notes shall not be deemed
inconsistent if they are made with respect to different Beneficial Owners. The
Indenture Trustee may establish a reasonable record date in connection with
solicitations of consents from or voting by Noteholders and give notice to the
Depository of such record date. Without the consent of the Issuer and the
Indenture Trustee, no Note may be transferred by the Depository except to a
successor Depository that agrees to hold such Class A Note for the account of
the Beneficial Owners.

         In the event the Depository Trust Company resigns or is removed as
Depository, the Indenture Trustee with the approval of the Issuer may appoint a
successor Depository. If no successor Depository has been appointed within 30
days of the effective date of the Depository's resignation or removal, each
Beneficial Owner shall be entitled to certificates representing the Notes it
beneficially owns in the manner prescribed in Section 4.08.

         The Notes shall, on original issue, be executed on behalf of the Issuer
by the Owner Trustee, not in its individual capacity but solely as Owner
Trustee, authenticated by the Indenture Trustee and delivered by the Indenture
Trustee to or upon the order of the Issuer.

         Section 4.02. REGISTRATION OF AND LIMITATIONS ON TRANSFER AND EXCHANGE
OF NOTES; APPOINTMENT OF CERTIFICATE REGISTRAR. The Issuer shall cause to be
kept at the Corporate Trust Office a Note Register in which, subject to such
reasonable regulations as it may prescribe, the Note Registrar shall provide for
the registration of Notes and of transfers and exchanges of Notes
as herein provided.

         Subject to the restrictions and limitations set forth below, upon
surrender for registration of transfer of any Note at the Corporate Trust
Office, the Issuer shall execute and the Note

                                       22

<PAGE>



Registrar shall authenticate and deliver, in the name of the designated
transferee or transferees, one or more new Notes in authorized initial Note
Principal Balances evidencing the same aggregate Percentage Interests.

         Subject to the foregoing, at the option of the Noteholders, Notes may
be exchanged for other Notes of like tenor and in authorized initial Note
Principal Balances evidencing the same aggregate Percentage Interests upon
surrender of the Notes to be exchanged at the Corporate Trust Office of the Note
Registrar. Whenever any Notes are so surrendered for exchange, the Issuer shall
execute and the Indenture Trustee shall authenticate and deliver the Notes which
the Note holder making the exchange is entitled to receive. Each Note presented
or surrendered for registration of transfer or exchange shall (if so required by
the Note Registrar) be duly endorsed by, or be accompanied by a written
instrument of transfer in form reasonably satisfactory to the Note Registrar
duly executed by the Holder thereof or his attorney duly authorized in writing
with such signature guaranteed by a commercial bank or trust company located or
having a correspondent located in the city of New York. Notes delivered upon any
such transfer or exchange will evidence the same obligations, and will be
entitled to the same rights and privileges, as the Notes surrendered.

         No service charge shall be made for any registration of transfer or
exchange of Notes, but the Note Registrar shall require payment of a sum
sufficient to cover any tax or governmental charge that may be imposed in
connection with any registration of transfer or exchange of
Notes.

         The Issuer hereby appoints the Indenture Trustee as Certificate
Registrar to keep at its Corporate Trust Office a Certificate Register pursuant
to Section 3.09 of the Trust Agreement in which, subject to such reasonable
regulations as it may prescribe, the Certificate Registrar shall provide for the
registration of Certificates and of transfers and exchanges thereof pursuant to
Section 3.05 of the Trust Agreement. The Indenture Trustee hereby accepts such
appointment.

         Section 4.03. MUTILATED, DESTROYED, LOST OR STOLEN NOTES. If (i) any
mutilated Note is surrendered to the Indenture Trustee, or the Indenture Trustee
receives evidence to its satisfaction of the destruction, loss or theft of any
Note, and (ii) there is delivered to the Indenture Trustee such security or
indemnity as may be required by it to hold the Issuer and the Indenture Trustee
harmless, then, in the absence of notice to the Issuer, the Note Registrar or
the Indenture Trustee that such Note has been acquired by a bona fide purchaser,
and provided that the requirements of Section 8-405 of the UCC are met, the
Issuer shall execute, and upon its request the Indenture Trustee shall
authenticate and deliver, in exchange for or in lieu of any such mutilated,
destroyed, lost or stolen Note, a replacement Note; provided, however, that if
any such destroyed, lost or stolen Note, but not a mutilated Note, shall have
become or within seven days shall be due and payable, instead of issuing a
replacement Note, the Issuer may pay such destroyed, lost or stolen Note when so
due or payable without surrender thereof. If, after the delivery of such
replacement Note or payment of a destroyed, lost or stolen Note pursuant to the
proviso to the preceding sentence, a bona fide purchaser of the original Note in
lieu of which such replacement Note was issued presents for payment such
original Note, the Issuer and the Indenture Trustee shall be entitled to recover
such replacement Note (or such payment) from the Person to whom it was delivered
or any Person taking such replacement Note from such Person to whom such

                                       23

<PAGE>



replacement Note was delivered or any assignee of such Person, except a bona
fide purchaser, and shall be entitled to recover upon the security or indemnity
provided therefor to the extent of any loss, damage, cost or expense incurred by
the Issuer or the Indenture Trustee in connection
therewith.

         Upon the issuance of any replacement Note under this Section 4.03, the
Issuer may require the payment by the Holder of such Note of a sum sufficient to
cover any tax or other governmental charge that may be imposed in relation
thereto and any other reasonable expenses (including the fees and expenses of
the Indenture Trustee) connected therewith.

         Every replacement Note issued pursuant to this Section 4.03 in
replacement of any mutilated, destroyed, lost or stolen Note shall constitute an
original additional contractual obligation of the Issuer, whether or not the
mutilated, destroyed, lost or stolen Note shall be at any time enforceable by
anyone, and shall be entitled to all the benefits of this Indenture equally and
proportionately with any and all other Notes duly issued hereunder.

         The provisions of this Section 4.03 are exclusive and shall preclude
(to the extent lawful) all other rights and remedies with respect to the
replacement or payment of mutilated, destroyed, lost or stolen Notes.

         Section 4.04. PERSONS DEEMED OWNERS. Prior to due presentment for
registration of transfer of any Note, the Issuer, the Indenture Trustee and any
agent of the Issuer or the Indenture Trustee may treat the Person in whose name
any Note is registered (as of the day of determination) as the owner of such
Note for the purpose of receiving payments of principal of and interest, if any,
on such Note and for all other purposes whatsoever, whether or not such Note be
overdue, and neither the Issuer, the Indenture Trustee nor any agent of the
Issuer or the Indenture Trustee shall be affected by notice to the contrary.

         Section 4.05. CANCELLATION. All Notes surrendered for payment,
registration of transfer, exchange or redemption shall, if surrendered to any
Person other than the Indenture Trustee, be delivered to the Indenture Trustee
and shall be promptly cancelled by the Indenture Trustee. The Issuer may at any
time deliver to the Indenture Trustee for cancellation any Notes previously
authenticated and delivered hereunder which the Issuer may have acquired in any
manner whatsoever, and all Notes so delivered shall be promptly cancelled by the
Indenture Trustee. No Notes shall be authenticated in lieu of or in exchange for
any Notes cancelled as provided in this Section 4.05, except as expressly
permitted by this Indenture. All cancelled Notes may be held or disposed of by
the Indenture Trustee in accordance with its standard retention or disposal
policy as in effect at the time unless the Issuer shall direct by an Issuer
Request that they be destroyed or returned to it; provided, however, that such
Issuer Request is timely and the Notes have not been previously disposed of by
the Indenture Trustee.

         Section 4.06. BOOK-ENTRY NOTES. The Notes, upon original issuance, will
be issued in the form of typewritten Notes representing the Book-Entry Notes, to
be delivered to The Depository Trust Company, the initial Depository, by, or on
behalf of, the Issuer. Such Notes shall initially be registered on the Note
Register in the name of Cede & Co., the nominee of the initial

                                       24

<PAGE>



Depository, and no Beneficial Owner will receive a Definitive Note representing
such Beneficial Owner's interest in such Note, except as provided in Section
4.08. With respect to such Notes, unless and until definitive, fully registered
Notes (the "Definitive Notes") have been issued to Beneficial Owners pursuant to
Section 4.08:

                        (i) the provisions of this Section 4.06 shall be in full
         force and effect;

                        (ii) the Note Registrar and the Indenture Trustee shall
         be entitled to deal with the Depository for all purposes of this
         Indenture (including the payment of principal of and interest on the
         Notes and the giving of instructions or directions hereunder) as the
         sole holder of the Notes, and shall have no obligation to the
         Beneficial Owners of the Notes;

                        (iii) to the extent that the provisions of this Section
         4.06 conflict with any other provisions of this Indenture, the
         provisions of this Section 4.06 shall control;

                        (iv) the rights of Beneficial Owners shall be exercised
         only through the Depository and shall be limited to those established
         by law and agreements between such Owners of Notes and the Depository
         and/or the Depository Participants; unless and until Definitive Notes
         are issued pursuant to Section 4.08, the initial Depository will make
         book-entry transfers among the Depository Participants and receive and
         transmit payments of principal of and interest on the Notes to such
         Depository Participants; and

                        (v) whenever this Indenture requires or permits actions
         to be taken based upon instructions or directions of Holders of Notes
         evidencing a specified percentage of the Note Principal Balances of the
         Notes, the Depository shall be deemed to represent such percentage with
         respect to the Notes only to the extent that it has received
         instructions to such effect from Beneficial Owners and/or Depository
         Participants owning or representing, respectively, such required
         percentage of the beneficial interest in the Notes and has delivered
         such instructions to the Indenture Trustee.

         Section 4.07. NOTICES TO DEPOSITORY. Whenever a notice or other
communication to the Note Holders is required under this Indenture, unless and
until Definitive Notes shall have been issued to Beneficial Owners pursuant to
Section 4.08, the Indenture Trustee shall give all such notices and
communications specified herein to be given to Holders of the Notes to the
Depository, and shall have no obligation to the Beneficial Owners.

         Section 4.08. DEFINITIVE NOTES. If (i) the Indenture Trustee determines
that the Depository is no longer willing or able to properly discharge its
responsibilities with respect to the Notes and the Indenture Trustee is unable
to locate a qualified successor, (ii) the Indenture Trustee elects to terminate
the book-entry system through the Depository or (iii) after the occurrence of an
Event of Default, Beneficial Owners of Notes representing beneficial interests
aggregating at least a majority of the Note Principal Balances of the Notes
advise the Depository in writing that the continuation of a book-entry system
through the Depository is no longer in the best interests of the Beneficial
Owners, then the Depository shall notify all Beneficial Owners and the Indenture
Trustee of the occurrence of any such event and of the availability of
Definitive Notes to Beneficial

                                       25

<PAGE>



Owners requesting the same. Upon surrender to the Indenture Trustee of the
typewritten Notes representing the Book-Entry Notes by the Depository,
accompanied by registration instructions, the Issuer shall execute and the
Indenture Trustee shall authenticate the Definitive Notes in accordance with the
instructions of the Depository. None of the Issuer, the Note Registrar or the
Indenture Trustee shall be liable for any delay in delivery of such instructions
and may conclusively rely on, and shall be protected in relying on, such
instructions. Upon the issuance of Definitive Notes, the Indenture Trustee shall
recognize the Holders of the Definitive Notes as Noteholders.

         Section 4.09. TAX TREATMENT. The Issuer has entered into this
Indenture, and the Notes will be issued, with the intention that, for federal,
state and local income, single business and franchise tax purposes, the Notes
will qualify as indebtedness. The Issuer, by entering into this Indenture, and
each Noteholder, by its acceptance of its Note (and each Beneficial Owner by its
acceptance of an interest in the applicable Book-Entry Note), agree to treat the
Notes for federal, state and local income, single business and franchise tax
purposes as indebtedness.

         Section 4.10. SATISFACTION AND DISCHARGE OF INDENTURE. This Indenture
shall cease to be of further effect with respect to the Notes except as to (i)
rights of registration of transfer and exchange, (ii) substitution of mutilated,
destroyed, lost or stolen Notes, (iii) rights of Noteholders to receive payments
of principal thereof and interest thereon, (iv) Sections 3.03, 3.04, 3.06, 3.09,
3.16, 3.18 and 3.19, (v) the rights, obligations and immunities of the Indenture
Trustee hereunder (including the rights of the Indenture Trustee under Section
6.07 and the obligations of the Indenture Trustee under Section 4.11) and (vi)
the rights of Noteholders as beneficiaries hereof with respect to the property
so deposited with the Indenture Trustee payable to all or any of them, and the
Indenture Trustee, on demand of and at the expense of the Issuer, shall execute
proper instruments acknowledging satisfaction and discharge of this Indenture
with respect to the Notes and shall release and deliver the Collateral to or
upon the order of the Issuer, when

                  (A) either

                  (1) all Notes theretofore authenticated and delivered (other
         than (i) Notes that have been destroyed, lost or stolen and that have
         been replaced or paid as provided in Section 4.03 hereof and (ii) Notes
         for whose payment money has theretofore been deposited in trust or
         segregated and held in trust by the Issuer and thereafter repaid to the
         Issuer or discharged from such trust, as provided in Section 3.03) have
         been delivered to the Indenture Trustee for cancellation; or

                  (2) all Notes not theretofore delivered to the Indenture
         Trustee for cancellation

                           a.       have become due and payable,

                           b.       will become due and payable at the Final
                                    Scheduled Payment Date within one year, or


                                       26

<PAGE>



                           c. have been called for early redemption pursuant to
                  Section 8.07 hereof,

         and the Issuer, in the case of a. or b. above, has irrevocably
         deposited or caused to be irrevocably deposited with the Indenture
         Trustee cash or direct obligations of or obligations guaranteed by the
         United States of America (which will mature prior to the date such
         amounts are payable), in trust for such purpose, in an amount
         sufficient to pay and discharge the entire indebtedness on such Notes
         then outstanding not theretofore delivered to the Indenture Trustee for
         cancellation when due on the Final Scheduled Payment Date or other
         final Payment Date and has delivered to the Indenture Trustee a
         verification report from a nationally recognized accounting firm
         certifying that the amounts deposited with the Indenture Trustee are
         sufficient to pay and discharge the entire indebtedness of such Notes,
         or, in the case of c. above, the Issuer shall have complied with all
         requirements of Section 8.07 hereof;

                  (B) the Issuer has paid or caused to be paid all other sums
         payable hereunder; and

                  (C) the Issuer has delivered to the Indenture Trustee an
         Officer's Certificate and an Opinion of Counsel, each meeting the
         applicable requirements of Section 10.01 hereof, each stating that all
         conditions precedent herein provided for relating to the satisfaction
         and discharge of this Indenture have been complied with and, if the
         Opinion of Counsel relates to a deposit made in connection with Section
         4.10(A)(2)b. above, such opinion shall further be to the effect that
         such deposit will constitute an "in-substance defeasance" within the
         meaning of Revenue Ruling 85-42, 1985-1 C.B. 36, and in accordance
         therewith, the Issuer will be the owner of the assets deposited in
         trust for federal income tax purposes.

         Section 4.11. APPLICATION OF TRUST MONEY. All monies deposited with the
Indenture Trustee pursuant to Section 4.10 hereof shall be held in trust and
applied by it, in accordance with the provisions of the Notes and this
Indenture, to the payment, either directly or through any Paying Agent or the
Issuer, Certificate Paying Agent as designee of the Issuer, as applicable, as
the Indenture Trustee may determine, to the Holders of Securities, of all sums
due and to become due thereon for principal and interest or otherwise; but such
monies need not be segregated from other funds except to the extent required
herein or required by law.

         Section 4.12. REPAYMENT OF MONIES HELD BY PAYING AGENT. In connection
with the satisfaction and discharge of this Indenture with respect to the Notes,
all monies then held by any Person other than the Indenture Trustee under the
provisions of this Indenture with respect to such Notes shall, upon demand of
the Issuer, be paid to the Indenture Trustee to be held and applied according to
Section 3.05 and thereupon such Paying Agent shall be released from all further
liability with respect to such monies.

         Section 4.13. TEMPORARY NOTES. Pending the preparation of any
Definitive Notes, the Issuer may execute and upon its written direction, the
Indenture Trustee may authenticate and make available for delivery, temporary
Notes that are printed, lithographed, typewritten,

                                       27

<PAGE>



photocopied or otherwise produced, in any denomination, substantially of the
tenor of the Definitive Notes in lieu of which they are issued and with such
appropriate insertions, omissions, substitutions and other variations as the
officers executing such Notes may determine, as evidenced
by their execution of such Notes.

         If temporary Notes are issued, the Issuer will cause Definitive Notes
to be prepared without unreasonable delay. After the preparation of the
Definitive Notes, the temporary Notes shall be exchangeable for Definitive Notes
upon surrender of the temporary Notes at the office or agency of the Indenture
Trustee, without charge to the Holder. Upon surrender for cancellation of any
one or more temporary Notes, the Issuer shall execute and the Indenture Trustee
shall authenticate and make available for delivery, in exchange therefor,
Definitive Notes of authorized denominations and of like tenor and aggregate
principal amount. Until so exchanged, such temporary Notes shall in all respects
be entitled to the same benefits under this Indenture as Definitive Notes.


                                       28

<PAGE>



                                    ARTICLE V

                              DEFAULT AND REMEDIES

         Section 5.01. EVENTS OF DEFAULT. The Issuer shall deliver to the
Indenture Trustee, within five days after learning of the occurrence of an Event
of Default, written notice in the form of an Officer's Certificate of any event
which with the giving of notice and the lapse of time would become an Event of
Default under clause (iii) of the definition of "Event of Default", its status
and what action the Issuer is taking or proposes to take with respect thereto.

         Section 5.02. ACCELERATION OF MATURITY; RESCISSION AND ANNULMENT. If an
Event of Default should occur and be continuing, then and in every such case the
Indenture Trustee at the written direction of the Holders of Notes representing
not less than a majority of the Note Principal Balances of the Notes, may
declare the Notes to be immediately due and payable, by a notice in writing to
the Issuer (and to the Indenture Trustee if given by Noteholders), and upon any
such declaration the unpaid Note Principal Balance of the Notes, together with
accrued and unpaid interest thereon through the date of acceleration, shall
become immediately due and payable.

         At any time after such declaration of acceleration of maturity with
respect to an Event of Default has been made and before a judgment or decree for
payment of the money due has been obtained by the Indenture Trustee as
hereinafter in this Article V, the Holders of Notes representing a majority of
the Note Principal Balances of all Notes, by written notice to the Issuer and
the Indenture Trustee, may waive the related Event of Default and rescind and
annul such declaration and its consequences if:

                        (i) the Issuer has paid or deposited with the Indenture
         Trustee a sum sufficient to pay:

                           (A) all payments of principal of and interest on the
                  Notes and all other amounts that would then be due hereunder
                  or upon the Notes if the Event of Default giving rise to such
                  acceleration had not occurred; and

                           (B) all sums paid or advanced by the Indenture
                  Trustee hereunder and the reasonable compensation, expenses,
                  disbursements and advances of the
                  Indenture Trustee and its agents and counsel; and

                        (ii) all Events of Default, other than the nonpayment of
         the principal of the Notes that has become due solely by such
         acceleration, have been cured or waived as provided in Section 5.12.


         No such rescission shall affect any subsequent default or impair any
right consequent thereto.


                                       29

<PAGE>



         Section 5.03. COLLECTION OF INDEBTEDNESS AND SUITS FOR ENFORCEMENT BY
INDENTURE TRUSTEE.

         (a) The Issuer covenants that if a default is made in the payment of
(i) Accrued Note Interest or Unpaid Interest Shortfalls with respect to any
Class of Notes, (ii) the Principal Distribution Amount with respect to any Class
of Notes, (iii) the Extra Principal Distribution Amount with respect to a
Payment Date, but only to the extent funds are available to make such payment
any interest or (iv) payment of principal in full on the related Final Scheduled
Maturity Date with respect to any Class of Notes, in each case when the same
becomes due and payable, and such default continues for a period of five days,
the Issuer shall, upon demand of the Indenture Trustee, pay to the Indenture
Trustee, for the benefit of the Holders of Notes, the whole amount then due and
payable on the Notes for principal and interest, with interest at the Note
Interest Rate upon the overdue principal, and in addition thereto such further
amount as shall be sufficient to cover the costs and expenses of collection,
including the reasonable compensation, expenses, disbursements and advances of
the Indenture Trustee and its agents and counsel.

         (b) In case the Issuer shall fail forthwith to pay such amounts upon
such demand, the Indenture Trustee, in its own name and as trustee of an express
trust, subject to the provisions of Section 10.16 hereof may institute a
Proceeding for the collection of the sums so due and unpaid, and may prosecute
such Proceeding to judgment or final decree, and may enforce the same against
the Issuer or other obligor upon the Notes and collect in the manner provided by
law out of the property of the Issuer or other obligor the Notes, wherever
situated, the monies adjudged or decreed to be payable.

         (c) If an Event of Default occurs and is continuing, the Indenture
Trustee, subject to the provisions of Section 10.16 hereof may, as more
particularly provided in Section 5.04 hereof, in its discretion, proceed to
protect and enforce its rights and the rights of the Noteholders, by such
appropriate Proceedings as the Indenture Trustee shall deem most effective to
protect and enforce any such rights, whether for the specific enforcement of any
covenant or agreement in this Indenture or in aid of the exercise of any power
granted herein, or to enforce any other proper remedy or legal or equitable
right vested in the Indenture Trustee by this Indenture or by law.

         (d) In case there shall be pending, relative to the Issuer or any other
obligor upon the Notes or any Person having or claiming an ownership interest in
the Trust Estate, Proceedings under Title 11 of the United States Code or any
other applicable federal or state bankruptcy, insolvency or other similar law,
or in case a receiver, assignee or trustee in bankruptcy or reorganization,
liquidator, sequestrator or similar official shall have been appointed for or
taken possession of the Issuer or its property or such other obligor or Person,
or in case of any other comparable judicial Proceedings relative to the Issuer
or other obligor upon the Notes, or to the creditors or property of the Issuer
or such other obligor, the Indenture Trustee, irrespective of whether the
principal of any Notes shall then be due and payable as therein expressed or by
declaration or otherwise and irrespective of whether the Indenture Trustee shall
have made any demand pursuant to the provisions of this Section, shall be
entitled and empowered, by intervention in such Proceedings or otherwise:


                                       30

<PAGE>



                         (i) to file and prove a claim or claims for the whole
         amount of principal and interest owing and unpaid in respect of the
         Notes and to file such other papers or documents as may be necessary or
         advisable in order to have the claims of the Indenture Trustee
         (including any claim for reasonable compensation to the Indenture
         Trustee and each predecessor Indenture Trustee, and their respective
         agents, attorneys and counsel, and for reimbursement of all expenses
         and liabilities incurred, and all advances made, by the Indenture
         Trustee and each predecessor Indenture Trustee, except as a result of
         negligence or bad faith) and of the Noteholders allowed in such
         Proceedings;

                        (ii) unless prohibited by applicable law and
         regulations, to vote on behalf of the Holders of Notes in any election
         of a trustee, a standby trustee or Person performing
         similar functions in any such Proceedings;

                       (iii) to collect and receive any monies or other property
         payable or deliverable on any such claims and to distribute all amounts
         received with respect to the claims of the Noteholders and of the
         Indenture Trustee on their behalf; and

                        (iv) to file such proofs of claim and other papers or
         documents as may be necessary or advisable in order to have the claims
         of the Indenture Trustee or the Holders of Notes allowed in any
         judicial proceedings relative to the Issuer, its creditors and its
         property;

and any trustee, receiver, liquidator, custodian or other similar official in
any such Proceeding is hereby authorized by each of such Noteholders to make
payments to the Indenture Trustee, and, in the event that the Indenture Trustee
shall consent to the making of payments directly to such Noteholders, to pay to
the Indenture Trustee such amounts as shall be sufficient to cover reasonable
compensation to the Indenture Trustee, each predecessor Indenture Trustee and
their respective agents, attorneys and counsel, and all other expenses and
liabilities incurred, and all advances made, by the Indenture Trustee and each
predecessor Indenture Trustee except as a result of negligence or bad faith.

         (e) Nothing herein contained shall be deemed to authorize the Indenture
Trustee to authorize or consent to or vote for or accept or adopt on behalf of
any Noteholder any plan of reorganization, arrangement, adjustment or
composition affecting the Notes or the rights of any Holder thereof or to
authorize the Indenture Trustee to vote in respect of the claim of any Note
holder in any such proceeding except, as aforesaid, to vote for the election of
a trustee in bankruptcy or similar Person.

         (f) All rights of action and of asserting claims under this Indenture,
or under any of the Notes, may be enforced by the Indenture Trustee without the
possession of any of the Notes or the production thereof in any trial or other
Proceedings relative thereto, and any such action or proceedings instituted by
the Indenture Trustee shall be brought in its own name as trustee of an express
trust, and any recovery of judgment, subject to the payment of the expenses,
disbursements and compensation of the Indenture Trustee, each predecessor
Indenture Trustee and

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<PAGE>



their respective agents and attorneys, shall be for the ratable benefit of the
Holders of the Notes, subject to Section 5.05 hereof.

         (g) In any Proceedings brought by the Indenture Trustee (and also any
Proceedings involving the interpretation of any provision of this Indenture to
which the Indenture Trustee shall be a party), the Indenture Trustee shall be
held to represent all the Holders of the Notes, and it shall not be necessary to
make any Noteholder a party to any such Proceedings.

         Section 5.04. REMEDIES; PRIORITIES. (a) If an Event of Default shall
have occurred and be continuing and if an acceleration has been declared and not
rescinded pursuant to Section 5.02 hereof, the Indenture Trustee subject to the
provisions of Section 10.16 hereof shall, do one or more of the following
(subject to Section 5.05 hereof):

                         (i) institute Proceedings in its own name and as
         trustee of an express trust for the collection of all amounts then
         payable on the Notes or under this Indenture with respect thereto,
         whether by declaration or otherwise, enforce any judgment obtained, and
         collect from the Issuer and any other obligor upon such Notes monies
         adjudged due;

                        (ii) institute Proceedings from time to time for the
         complete or partial foreclosure of this Indenture with respect to the
         Trust Estate;

                       (iii) exercise any remedies of a secured party under the
         UCC and take any other appropriate action to protect and enforce the
         rights and remedies of the Indenture Trustee, the Holders of the Notes;
         and

                        (iv) sell the Trust Estate or any portion thereof or
         rights or interest therein, at one or more public or private sales
         called and conducted in any manner permitted by law;

provided, however, that the Indenture Trustee may not sell or otherwise
liquidate the Trust Estate following an Event of Default, unless (A) the
Indenture Trustee obtains the consent of the Holders of 100% of the aggregate
Note Principal Balance, (B) the proceeds of such sale or liquidation
distributable to the Holders of the Notes are sufficient to discharge in full
all amounts then due and unpaid upon the Notes for principal and interest or (C)
the Indenture Trustee determines that the Mortgage Loans will not continue to
provide sufficient funds for the payment of principal of and interest on the
Notes as they would have become due if the Notes had not been declared due and
payable, and the Indenture Trustee obtains the consent of the Holders of a
majority of the aggregate Note Principal Balance. In determining such
sufficiency or insufficiency with respect to clause (B) and (C), the Indenture
Trustee may, but need not, obtain and rely upon an opinion of an Independent
investment banking or accounting firm of national reputation as to the
feasibility of such proposed action and as to the sufficiency of the Trust
Estate for such purpose. Notwithstanding the foregoing, so long as an Event of
Servicer Termination has not occurred, any Sale of the Trust Estate shall be
made subject to the continued servicing of the Mortgage Loans by the Master
Servicer as provided in the Servicing Agreement.


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<PAGE>



         (b) If the Indenture Trustee collects any money or property pursuant to
this Article V, it shall pay out the money or property in the following order:

                  FIRST: to the Indenture Trustee for amounts due under Section
                  6.07 hereof;

                  SECOND: to the Noteholders for amounts due and unpaid on the
                  Notes, first to the Senior Notes without preference or
                  priority of any kind, second to the Class M- 1 Notes, third to
                  the Class M-2 Notes and fourth, to the Class B-1 Notes,
                  according to the amounts due and payable on the Notes for
                  interest (including the Interest Remittance Amount and Unpaid
                  Interest Shortfalls) from amounts available in the Trust
                  Estate for the Noteholders;

                  THIRD: to Noteholders for amounts due and unpaid on the Notes
                  with respect to principal (including, but not limited to, any
                  Principal Distribution Amount), from amounts available in the
                  Trust Estate for such Noteholders, to the Noteholders, the
                  amount of principal then due and unpaid on the Notes, first to
                  the Senior Notes without preference or priority of any kind,
                  second to the Class M-1 Notes, third to the Class M-2 Notes
                  and fourth, to the Class B-1 Notes, in each case until the
                  Note Principal Balance is reduced to zero; and

                  FOURTH: to the payment of the remainder, if any to the Issuer,
                  or the Certificate Paying Agent as its designee, or any other
                  person legally entitled thereto.

         The Indenture Trustee may fix a record date and payment date for any
payment to Noteholders pursuant to this Section 5.04. With respect to any
acceleration, the first payment date after the acceleration shall be the first
Payment Date after the acceleration. At least 15 days before such record date,
the Indenture Trustee shall mail to each Noteholder a notice that states the
record date, the payment date and the amount to be paid.

         Section 5.05. OPTIONAL PRESERVATION OF THE TRUST ESTATE. If the Notes
have been declared to be due and payable under Section 5.02 following an Event
of Default and such declaration and its consequences have not been rescinded and
annulled, the Indenture Trustee shall elect to take and maintain possession of
the Trust Estate. It is the desire of the parties hereto and the Noteholders
that there be at all times sufficient funds for the payment of principal of and
interest on the Notes and other obligations of the Issuer, and the Indenture
Trustee shall take such desire into account when determining whether or not to
take and maintain possession of the Trust Estate. In determining whether to take
and maintain possession of the Trust Estate, the Indenture Trustee may, but need
not, obtain and rely upon an opinion of an Independent investment banking or
accounting firm of national reputation as to the feasibility of such proposed
action and as to the sufficiency of the Trust Estate for such purpose.


                                       33

<PAGE>



         Section 5.06. LIMITATION OF SUITS. No Holder of any Note shall have any
right to institute any Proceeding, judicial or otherwise, with respect to this
Indenture, or for the appointment of a receiver or trustee, or for any other
remedy hereunder, unless and subject to the provisions of Section 10.16 hereof:

                        (i) such Holder has previously given written notice to
         the Indenture Trustee of a continuing Event of Default;

                       (ii) the Holders of not less than 25% of the Note
         Principal Balances of the Notes have made a written request to the
         Indenture Trustee to institute such Proceeding in respect of such Event
         of Default in its own name as Indenture Trustee hereunder;

                      (iii) such Holder or Holders have offered to the Indenture
         Trustee reasonable indemnity against the costs, expenses and
         liabilities to be incurred in complying with such request;

                       (iv) the Indenture Trustee for 60 days after its receipt
         of such notice of request and offer of indemnity has failed to
         institute such Proceedings; and

                        (v) no direction inconsistent with such written request
         has been given to the Indenture Trustee during such 60-day period by
         the Holders of a majority of the Note Principal Balances of the Notes.

It is understood and intended that no one or more Holders of Notes shall have
any right in any manner whatever by virtue of, or by availing of, any provision
of this Indenture to affect, disturb or prejudice the rights of any other
Holders of Notes or to obtain or to seek to obtain priority or preference over
any other Holders or to enforce any right under this Indenture, except in the
manner herein provided.

         Subject to the last paragraph of Section 4.12 herein, in the event the
Indenture Trustee shall receive conflicting or inconsistent requests and
indemnity from two or more groups of Holders of Notes, each representing less
than a majority of the Note Principal Balances of the Notes, the Indenture
Trustee in its sole discretion may determine what action, if any, shall be
taken, notwithstanding any other provisions of this Indenture.

         Section 5.07. UNCONDITIONAL RIGHTS OF NOTEHOLDERS TO RECEIVE PRINCIPAL
AND INTEREST. Notwithstanding any other provisions in this Indenture, the Holder
of any Note shall have the right, which is absolute and unconditional, to
receive payment of the principal of and interest, if any, on such Note on or
after the respective due dates thereof expressed in such Note or in this
Indenture and to institute suit for the enforcement of any such payment, and
such right shall not be impaired without the consent of such Holder.

         Section 5.08. RESTORATION OF RIGHTS AND REMEDIES. If the Indenture
Trustee or any Noteholder has instituted any Proceeding to enforce any right or
remedy under this Indenture and such Proceeding has been discontinued or
abandoned for any reason or has been determined

                                       34

<PAGE>



adversely to the Indenture Trustee or to such Noteholder, then and in every such
case the Issuer, the Indenture Trustee and the Noteholders shall, subject to any
determination in such Proceeding, be restored severally and respectively to
their former positions hereunder, and thereafter all rights and remedies of the
Indenture Trustee and the Noteholders shall continue as though no such
Proceeding had been instituted.

         Section 5.09. RIGHTS AND REMEDIES CUMULATIVE. No right or remedy herein
conferred upon or reserved to the Indenture Trustee or to the Noteholders is
intended to be exclusive of any other right or remedy, and every right and
remedy shall, to the extent permitted by law, be cumulative and in addition to
every other right and remedy given hereunder or now or hereafter existing at law
or in equity or otherwise. The assertion or employment of any right or remedy
hereunder, or otherwise, shall not prevent the concurrent assertion or
employment of any other appropriate right or remedy.

         Section 5.10. DELAY OR OMISSION NOT A WAIVER. No delay or omission of
the Indenture Trustee or any Holder of any Note to exercise any right or remedy
accruing upon any Event of Default shall impair any such right or remedy or
constitute a waiver of any such Event of Default or an acquiescence therein.
Every right and remedy given by this Article V or by law to the Indenture
Trustee or to the Noteholders may be exercised from time to time, and as often
as may be deemed expedient, by the Indenture Trustee or by the Noteholders, as
the case may be.

         Section 5.11. CONTROL BY NOTEHOLDERS. The Holders of a majority of the
Note Principal Balances of Notes shall have the right (subject to the provisions
of Section 5.06) to direct the time, method and place of conducting any
Proceeding for any remedy available to the Indenture Trustee with respect to the
Notes or exercising any trust or power conferred on the
Indenture Trustee; provided that:

                        (i) such direction shall not be in conflict with any
         rule of law or with this Indenture;

                        (ii) any direction to the Indenture Trustee to sell or
         liquidate the Trust Estate shall be by Holders of Notes representing
         not less than 100% of the Note Principal Balances of Notes;

                        (iii) if the conditions set forth in Section 5.05 hereof
         have been satisfied and the Indenture Trustee elects to retain the
         Trust Estate pursuant to such Section, then any direction to the
         Indenture Trustee by Holders of Notes representing less than 100% of
         the Note Principal Balances of Notes to sell or liquidate the Trust
         Estate shall be of no force and effect; and

                        (iv) the Indenture Trustee may take any other action
         deemed proper by the Indenture Trustee that is not inconsistent with
         such direction.


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<PAGE>



Notwithstanding the rights of Noteholders set forth in this Section, subject to
Section 6.01, the Indenture Trustee need not take any action that it determines
might involve it in liability or might materially adversely affect the rights of
any Noteholders not consenting to such action.

         Section 5.12. WAIVER OF PAST DEFAULTS. Prior to the declaration of the
acceleration of the maturity of the Notes as provided in Section 5.02 hereof,
the Holders of Notes of not less than a majority of the Note Principal Balances
of the Notes may waive any past Event of Default and its consequences except an
Event of Default (a) with respect to payment of principal of or interest on any
of the Notes or (b) in respect of a covenant or provision hereof which cannot be
modified or amended without the consent of the Holder of each Note. In the case
of any such waiver, the Issuer, the Indenture Trustee and the Holders of the
Notes shall be restored to their former positions and rights hereunder,
respectively; but no such waiver shall extend to any subsequent or other Event
of Default or impair any right consequent thereto.

         Upon any such waiver, any Event of Default arising therefrom shall be
deemed to have been cured and not to have occurred, for every purpose of this
Indenture; but no such waiver shall extend to any subsequent or other Event of
Default or impair any right consequent thereto.

         Section 5.13. UNDERTAKING FOR COSTS. All parties to this Indenture
agree, and each Holder of any Note by such Holder's acceptance thereof shall be
deemed to have agreed, that any court may in its discretion require, in any suit
for the enforcement of any right or remedy under this Indenture, or in any suit
against the Indenture Trustee for any action taken, suffered or omitted by it as
Indenture Trustee, the filing by any party litigant in such suit of an
undertaking to pay the costs of such suit, and that such court may in its
discretion assess reasonable costs, including reasonable attorneys' fees,
against any party litigant in such suit, having due regard to the merits and
good faith of the claims or defenses made by such party litigant; but the
provisions of this Section 5.13 shall not apply to (a) any suit instituted by
the Indenture Trustee, (b) any suit instituted by any Noteholder, or group of
Noteholders, in each case holding in the aggregate more than 10% of the Note
Principal Balances of the Notes or (c) any suit instituted by any Noteholder for
the enforcement of the payment of principal of or interest on any Note on or
after the respective due dates expressed in such Note and in this Indenture.

         Section 5.14. WAIVER OF STAY OR EXTENSION LAWS. The Issuer covenants
(to the extent that it may lawfully do so) that it will not at any time insist
upon, or plead or in any manner whatsoever, claim or take the benefit or
advantage of, any stay or extension law wherever enacted, now or at any time
hereafter in force, that may affect the covenants or the performance of this
Indenture; and the Issuer (to the extent that it may lawfully do so) hereby
expressly waives all benefit or advantage of any such law, and covenants that it
shall not hinder, delay or impede the execution of any power herein granted to
the Indenture Trustee, but will suffer and permit the execution of every such
power as though no such law had been enacted.

         Section 5.15. SALE OF TRUST ESTATE. (a) The power to effect any sale or
other disposition (a "Sale") of any portion of the Trust Estate pursuant to
Section 5.04 hereof is expressly subject to the provisions of Section 5.05
hereof and this Section 5.15. The power to effect any such Sale shall not be
exhausted by any one or more Sales as to any portion of the Trust

                                       36

<PAGE>



Estate remaining unsold, but shall continue unimpaired until the entire Trust
Estate shall have been sold or all amounts payable on the Notes and under this
Indenture shall have been paid. The Indenture Trustee may from time to time
postpone any public Sale by public announcement made at the time and place of
such Sale. The Indenture Trustee hereby expressly waives its right to any amount
fixed by law as compensation for any Sale.

         (b) The Indenture Trustee shall not in any private Sale sell the Trust
Estate, or any portion thereof, unless

                  (1) the Holders of all Notes, consent to or direct the
Indenture Trustee to make, such Sale, or

                  (2) the proceeds of such Sale would be not less than the
entire amount which would be payable to the Noteholders under the Notes on the
Payment Date next succeeding the date of such Sale; or

                  (3) Indenture Trustee determines, that the conditions for
retention of the Trust Estate set forth in Section 5.05 hereof cannot be
satisfied (in making any such determination, the Indenture Trustee may rely upon
an opinion of an Independent investment banking firm obtained and delivered as
provided in Section 5.05 hereof), and the Holders of Notes representing at least
a majority of the Note Principal Balances of the Notes consent to such Sale.

The purchase by the Indenture Trustee of all or any portion of the Trust Estate
at a private Sale shall not be deemed a Sale or other disposition thereof for
purposes of this Section 5.15(b).

         (c) Unless the Holders representing at least 66-2/3% of the Principal
Balances of the Notes have otherwise consented or directed the Indenture
Trustee, at any public Sale of all or any portion of the Trust Estate at which a
minimum bid equal to or greater than the amount described in paragraph (2) of
subsection (b) of this Section 5.15 has not been established by the Indenture
Trustee and no Person bids an amount equal to or greater than such amount, the
Indenture Trustee, as trustee for the benefit of the Holders of the Notes, shall
bid an amount at least $1.00 more than the highest other bid.

         (d) In connection with a Sale of all or any portion of the Trust
Estate,

                  (1) any Holder or Holders of Notes may bid for the property
offered for sale, and upon compliance with the terms of sale may hold, retain
and possess and dispose of such property, without further accountability, and
may, in paying the purchase money therefor, deliver any Notes or claims for
interest thereon in lieu of cash up to the amount which shall, upon distribution
of the net proceeds of such sale, be payable thereon, and such Notes, in case
the amounts so payable thereon shall be less than the amount due thereon, shall
be returned to the Holders thereof after being appropriately stamped to show
such partial payment;

                  (2) the Indenture Trustee may bid for and acquire the property
offered for Sale in connection with any Sale thereof, and, subject to any
requirements of, and to the extent

                                       37

<PAGE>



permitted by, applicable law in connection therewith, may purchase all or any
portion of the Trust Estate in a private sale, and, in lieu of paying cash
therefor, may make settlement for the purchase price by crediting the gross Sale
price against the sum of (A) the amount which would be distributable to the
Holders of the Notes and Holders of Certificates as a result of such Sale in
accordance with Section 5.04(b) hereof on the Payment Date next succeeding the
date of such Sale and (B) the expenses of the Sale and of any Proceedings in
connection therewith which are reimbursable to it, without being required to
produce the Notes in order to complete any such Sale or in order for the net
Sale price to be credited against such Notes, and any property so acquired by
the Indenture Trustee shall be held and dealt with by it in accordance with the
provisions of this Indenture;

                  (3) the Indenture Trustee shall execute and deliver an
appropriate instrument of conveyance transferring its interest in any portion of
the Trust Estate in connection with a Sale thereof;

                  (4) the Indenture Trustee is hereby irrevocably appointed the
agent and attorney-in-fact of the Issuer to transfer and convey its interest in
any portion of the Trust Estate in connection with a Sale thereof, and to take
all action necessary to effect such Sale; and

                  (5) no purchaser or transferee at such a Sale shall be bound
to ascertain the Indenture Trustee's authority, inquire into the satisfaction of
any conditions precedent or see to the application of any monies.

         Section 5.16. ACTION ON NOTES. The Indenture Trustee's right to seek
and recover judgment on the Notes or under this Indenture shall not be affected
by the seeking, obtaining or application of any other relief under or with
respect to this Indenture. Neither the lien of this Indenture nor any rights or
remedies of the Indenture Trustee or the Noteholders shall be impaired by the
recovery of any judgment by the Indenture Trustee against the Issuer or by the
levy of any execution under such judgment upon any portion of the Trust Estate
or upon any of the assets of the Issuer. Any money or property collected by the
Indenture Trustee shall be applied in accordance with Section 5.04(b) hereof.

         Section 5.17. PERFORMANCE AND ENFORCEMENT OF CERTAIN OBLIGATIONS. (a)
Promptly following a request from the Indenture Trustee to do so, the Issuer in
its capacity as holder of the Mortgage Loans, shall take all such lawful action
as the Indenture Trustee may request to cause the Issuer to compel or secure the
performance and observance by the Seller and the Master Servicer, as applicable,
of each of their obligations to the Issuer under or in connection with the
Mortgage Loan Purchase Agreement and the Servicing Agreement, and to exercise
any and all rights, remedies, powers and privileges lawfully available to the
Issuer under or in connection with the Mortgage Loan Purchase Agreement and the
Servicing Agreement to the extent and in the manner directed by the Indenture
Trustee as pledgee of the Mortgage Loans, including the transmission of notices
of default on the part of the Seller or the Master Servicer thereunder and the
institution of legal or administrative actions or proceedings to compel or
secure performance by the Seller or the Master Servicer of each of their
obligations under the Mortgage Loan Purchase Agreement and the Servicing
Agreement.

                                       38

<PAGE>



         (b) The Indenture Trustee, as pledgee of the Mortgage Loans, may, and
at the direction (which direction shall be in writing or by telephone (confirmed
in writing promptly thereafter)) of Holders of 66-2/3% of the Note Principal
Balances of the Notes, shall exercise all rights, remedies, powers, privileges
and claims of the Issuer against the Seller or the Master Servicer under or in
connection with the Mortgage Loan Purchase Agreement and the Servicing
Agreement, including the right or power to take any action to compel or secure
performance or observance by the Seller or the Master Servicer, as the case may
be, of each of their obligations to the Issuer thereunder and to give any
consent, request, notice, direction, approval, extension or waiver under the
Mortgage Loan Purchase Agreement and the Servicing Agreement, as the case may
be, and any right of the Issuer to take such action shall not be suspended.

                                       39

<PAGE>



                                   ARTICLE VI

                              THE INDENTURE TRUSTEE

         Section 6.01. DUTIES OF INDENTURE TRUSTEE. (a) If an Event of Default
has occurred and is continuing, the Indenture Trustee shall exercise the rights
and powers vested in it by this Indenture and use the same degree of care and
skill in their exercise as a prudent person would exercise or use under the
circumstances in the conduct of such person's own affairs.

         (b)  Except during the continuance of an Event of Default:

                        (i) the Indenture Trustee undertakes to perform such
         duties and only such duties as are specifically set forth in this
         Indenture and no implied covenants or obligations shall be read into
         this Indenture against the Indenture Trustee; and

                       (ii) in the absence of bad faith on its part, the
         Indenture Trustee may conclusively rely, as to the truth of the
         statements and the correctness of the opinions expressed therein, upon
         certificates or opinions furnished to the Indenture Trustee and
         conforming to the requirements of this Indenture; however, the
         Indenture Trustee shall examine the certificates and opinions to
         determine whether or not they conform to the requirements of this
         Indenture.

         (c) The Indenture Trustee may not be relieved from liability for its
own negligent action, its own negligent failure to act or its own willful
misconduct, except that:

                        (i) this paragraph does not limit the effect of
         paragraph (b) of this Section 6.01;

                        (ii) the Indenture Trustee shall not be liable for any
         error of judgment made in good faith by a Responsible Officer unless it
         is proved that the Indenture Trustee was negligent in ascertaining the
         pertinent facts; and

                        (iii) the Indenture Trustee shall not be liable with
         respect to any action it takes or omits to take in good faith in
         accordance with a direction received by it pursuant to Section 5.11.

         (d) The Indenture Trustee shall not be liable for interest on any money
received by it except as the Indenture Trustee may agree in writing with the
Issuer.

         (e) Money held in trust by the Indenture Trustee need not be segregated
from other trust funds except to the extent required by law or the terms of this
Indenture or the Trust
Agreement.

         (f) No provision of this Indenture shall require the Indenture Trustee
to expend or risk its own funds or otherwise incur financial liability in the
performance of any of its duties hereunder or in the exercise of any of its
rights or powers, if it shall have reasonable grounds to believe that

                                       40

<PAGE>



repayment of such funds or adequate indemnity against such risk or liability is
not reasonably assured to it.

         (g) Every provision of this Indenture relating to the conduct or
affecting the liability of or affording protection to the Indenture Trustee
shall be subject to the provisions of this Section and to the provisions of the
TIA.

         (h) The Indenture Trustee shall act in accordance with Sections 6.03
and 6.04 of the Servicing Agreement and shall act as successor to the Master
Servicer in accordance with Section 6.02 of the Servicing Agreement.

         Section 6.02. RIGHTS OF INDENTURE TRUSTEE. (a) The Indenture Trustee
may rely on any document believed by it to be genuine and to have been signed or
presented by the proper person. The Indenture Trustee need not investigate any
fact or matter stated in the document.

         (b) Before the Indenture Trustee acts or refrains from acting, it may
require an Officer's Certificate or an Opinion of Counsel. The Indenture Trustee
shall not be liable for any action it takes or omits to take in good faith in
reliance on an Officer's Certificate or Opinion of Counsel.

         (c) The Indenture Trustee may execute any of the trusts or powers
hereunder or perform any duties hereunder either directly or by or through
agents or attorneys or a custodian or nominee.

         (d) The Indenture Trustee shall not be liable for any action it takes
or omits to take in good faith which it believes to be authorized or within its
rights or powers; provided, however, that the Indenture Trustee's conduct does
not constitute willful misconduct, negligence or bad faith.

         (e) The Indenture Trustee may consult with counsel, and the advice or
opinion of counsel with respect to legal matters relating to this Indenture and
the Notes shall be full and complete authorization and protection from liability
in respect to any action taken, omitted or suffered by it hereunder in good
faith and in accordance with the advice or opinion of such counsel.

         Section 6.03. INDIVIDUAL RIGHTS OF INDENTURE TRUSTEE. The Indenture
Trustee in its individual or any other capacity may become the owner or pledgee
of Notes and may otherwise deal with the Issuer or its Affiliates with the same
rights it would have if it were not Indenture Trustee. Any Note Registrar,
co-registrar or co-paying agent may do the same with like rights. However, the
Indenture Trustee must comply with Sections 6.11 and 6.12 hereof.

         Section 6.04. INDENTURE TRUSTEE'S DISCLAIMER. The Indenture Trustee
shall not be responsible for and makes no representation as to the validity or
adequacy of this Indenture or the Notes, it shall not be accountable for the
Issuer's use of the proceeds from the Notes, and it shall not be responsible for
any statement of the Issuer in the Indenture or in any document issued in
connection with the sale of the Notes or in the Notes other than the Indenture
Trustee's certificate of authentication.


                                       41

<PAGE>



         Section 6.05. NOTICE OF EVENT OF DEFAULT. The Indenture Trustee shall
mail to each Noteholder notice of the Event of Default within 10 days after it
is known to a Responsible Officer of the Indenture Trustee, unless such Event of
Default shall have been waived or cured. Except in the case of an Event of
Default in payment of principal of or interest on any Note, the Indenture
Trustee may withhold the notice if and so long as a committee of its Responsible
Officers in good faith determines that withholding the notice is in the
interests of Noteholders.

         Section 6.06. REPORTS BY INDENTURE TRUSTEE TO HOLDERS. The Indenture
Trustee shall deliver to each Noteholder such information as may be required to
enable such holder to prepare its federal and state income tax returns. In
addition, upon the Issuer's written request, the Indenture Trustee shall
promptly furnish information reasonably requested by the Issuer that is
reasonably available to the Indenture Trustee to enable the Issuer to perform
its federal and state income tax reporting obligations.

         Section 6.07. COMPENSATION AND INDEMNITY. The Issuer shall pay to the
Indenture Trustee on each Payment Date reasonable compensation for its services.
The amount of the Indenture Trustee Fee shall be paid by the Master Servicer to
the Indenture Trustee on each Payment Date pursuant to Section 3.07(a)(x) of the
Servicing Agreement, and all amounts owing to the Indenture Trustee hereunder in
excess of such amount shall be paid solely as provided in a separate agreement
between the Indenture Trustee and the Master Servicer. The Indenture Trustee's
compensation shall not be limited by any law on compensation of a trustee of an
express trust. The Issuer shall reimburse the Indenture Trustee for all
reasonable out-of-pocket expenses incurred or made by it, including costs of
collection, in addition to compensation for its services. Such expenses shall
include reasonable compensation and expenses, disbursements and advances of the
Indenture Trustee's agents, counsel, accountants and experts. The Issuer shall
indemnify the Indenture Trustee against any and all loss, liability or expense
(including attorneys' fees) incurred by it in connection with the administration
of this Trust and the performance of its duties hereunder. The Indenture Trustee
shall notify the Issuer promptly of any claim for which it may seek indemnity.
Failure by the Indenture Trustee to so notify the Issuer shall not relieve the
Issuer of its obligations hereunder. The Issuer shall defend any such claim, and
the Indenture Trustee may have separate counsel and the Issuer shall pay the
fees and expenses of such counsel. The Issuer is not obligated to reimburse any
expense or indemnify against any loss, liability or expense incurred by the
Indenture Trustee through the Indenture Trustee's own willful misconduct, negli
gence or bad faith.

         The Issuer's payment obligations to the Indenture Trustee pursuant to
this Section 6.07 shall survive the discharge of this Indenture. When the
Indenture Trustee incurs expenses after the occurrence of an Event of Default
with respect to the Issuer, the expenses are intended to constitute expenses of
administration under Title 11 of the United States Code or any other
applicable federal or state bankruptcy, insolvency or similar law.

         Section 6.08. REPLACEMENT OF INDENTURE TRUSTEE. No resignation or
removal of the Indenture Trustee and no appointment of a successor Indenture
Trustee shall become effective until the acceptance of appointment by the
successor Indenture Trustee pursuant to this Section 6.08. The Indenture Trustee
may resign at any time by so notifying the Issuer. The Holders of a

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majority of Note Principal Balances of the Notes may remove the Indenture
Trustee by so notifying the Indenture Trustee and may appoint a successor
Indenture Trustee. The Issuer shall remove the Indenture Trustee if:

                        (i) the Indenture Trustee fails to comply with Section
         6.11 hereof;

                        (ii) the Indenture Trustee is adjudged a bankrupt or
         insolvent;

                        (iii) a receiver or other public officer takes charge of
         the Indenture Trustee or its property; or

                        (iv) the Indenture Trustee otherwise becomes incapable
         of acting.

         If the Indenture Trustee resigns or is removed or if a vacancy exists
in the office of the Indenture Trustee for any reason (the Indenture Trustee in
such event being referred to herein as the retiring Indenture Trustee), the
Issuer shall promptly appoint a successor Indenture
Trustee.

         A successor Indenture Trustee shall deliver a written acceptance of its
appointment to the retiring Indenture Trustee and to the Issuer. Thereupon, the
resignation or removal of the retiring Indenture Trustee shall become effective,
and the successor Indenture Trustee shall have all the rights, powers and duties
of the Indenture Trustee under this Indenture. The successor Indenture Trustee
shall mail a notice of its succession to Noteholders. The retiring Indenture
Trustee shall promptly transfer all property held by it as Indenture Trustee to
the successor Indenture Trustee.

         If a successor Indenture Trustee does not take office within 60 days
after the retiring Indenture Trustee resigns or is removed, the retiring
Indenture Trustee, the Issuer or the Holders of a majority of Note Principal
Balances of the Notes may petition any court of competent jurisdiction for the
appointment of a successor Indenture Trustee.

         Notwithstanding the replacement of the Indenture Trustee pursuant to
this Section, the Issuer's obligations under Section 6.07 shall continue for the
benefit of the retiring Indenture Trustee.

         Section 6.09. SUCCESSOR INDENTURE TRUSTEE BY MERGER. If the Indenture
Trustee consolidates with, merges or converts into, or transfers all or
substantially all of its corporate trust business or assets to, another
corporation or banking association, the resulting, surviving or transferee
corporation, without any further act, shall be the successor Indenture Trustee;
provided, that such corporation or banking association shall be otherwise
qualified and eligible under Section 6.11 hereof. The Indenture Trustee shall
provide the Rating Agencies with prior written notice of any such transaction.

         If at the time such successor or successors by merger, conversion or
consolidation to the Indenture Trustee shall succeed to the trusts created by
this Indenture and any of the Notes shall have been authenticated but not
delivered, any such successor to the Indenture Trustee may adopt the certificate
of authentication of any predecessor trustee and deliver such Notes so
authenticated;

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and if at that time any of the Notes shall not have been authenticated, any
successor to the Indenture Trustee may authenticate such Notes either in the
name of any predecessor hereunder or in the name of the successor to the
Indenture Trustee; and in all such cases such certificates shall have the full
force which it is in the Notes or in this Indenture provided that the
certificate of the Indenture Trustee shall have.

         Section 6.10. APPOINTMENT OF CO-INDENTURE TRUSTEE OR SEPARATE INDENTURE
TRUSTEE. (a) Notwithstanding any other provisions of this Indenture, at any
time, for the purpose of meet ing any legal requirement of any jurisdiction in
which any part of the Trust Estate may at the time be located, the Indenture
Trustee shall have the power and may execute and deliver all instruments to
appoint one or more Persons to act as a co-trustee or co-trustees, or separate
trustee or separate trustees, of all or any part of the Trust Estate, and to
vest in such Person or Persons, in such capacity and for the benefit of the
Noteholders, such title to the Trust Estate, or any part hereof, and, subject to
the other provisions of this Section, such powers, duties, obligations, rights
and trusts as the Indenture Trustee may consider necessary or desirable. No
co-trustee or separate trustee hereunder shall be required to meet the terms of
eligibility as a successor trustee under Section 6.11 hereof and no notice to
the Noteholders of the appointment of any co-trustee or separate trustee shall
be required.

         (b) Every separate trustee and co-trustee shall, to the extent
permitted by law, be appointed and act subject to the following provisions and
conditions:

                        (i) all rights, powers, duties and obligations conferred
         or imposed upon the Indenture Trustee shall be conferred or imposed
         upon and exercised or performed by the Indenture Trustee and such
         separate trustee or co-trustee jointly (it being understood that such
         separate trustee or co-trustee is not authorized to act separately
         without the Indenture Trustee joining in such act), except to the
         extent that under any law of any jurisdiction in which any particular
         act or acts are to be performed the Indenture Trustee shall be
         incompetent or unqualified to perform such act or acts, in which event
         such rights, powers, duties and obligations (including the holding of
         title to the Trust Estate or any portion thereof in any such
         jurisdiction) shall be exercised and performed singly by such separate
         trustee or co-trustee, but solely at the direction of the Indenture
         Trustee;

                        (ii) no trustee hereunder shall be personally liable by
         reason of any act or omission of any other trustee hereunder; and

                        (iii) the Indenture Trustee may at any time accept the
         resignation of or remove any separate trustee or co-trustee.

         (c) Any notice, request or other writing given to the Indenture Trustee
shall be deemed to have been given to each of the then separate trustees and
co-trustees, as effectively as if given to each of them. Every instrument
appointing any separate trustee or co-trustee shall refer to this Agreement and
the conditions of this Article VI. Each separate trustee and co-trustee, upon
its acceptance of the trusts conferred, shall be vested with the estates or
property specified in its instrument of appointment, either jointly with the
Indenture Trustee or separately, as may be

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<PAGE>



provided therein, subject to all the provisions of this Indenture, specifically
including every provision of this Indenture relating to the conduct of,
affecting the liability of, or affording protection to, the Indenture Trustee.
Every such instrument shall be filed with the Indenture Trustee.

         (d) Any separate trustee or co-trustee may at any time constitute the
Indenture Trustee, its agent or attorney-in-fact with full power and authority,
to the extent not prohibited by law, to do any lawful act under or in respect of
this Agreement on its behalf and in its name. If any separate trustee or
co-trustee shall die, become incapable of acting, resign or be removed, all of
its estates, properties, rights, remedies and trusts shall vest in and be
exercised by the Indenture Trustee, to the extent permitted by law, without the
appointment of a new or successor trustee.

         Section 6.11. ELIGIBILITY; DISQUALIFICATION. The Indenture Trustee
shall at all times satisfy the requirements of TIA ss. 310(a). The Indenture
Trustee shall have a combined capital and surplus of at least $50,000,000 as set
forth in its most recent published annual report of condition and it or its
parent shall have a long-term debt rating of Baa3 or better by Moody's and BBB
or better by Standard & Poor's. The Indenture Trustee shall comply with TIA ss.
310(b), including the optional provision permitted by the second sentence of TIA
ss. 310(b)(9); provided, however, that there shall be excluded from the
operation of TIA ss. 310(b)(1) any indenture or indentures under which other
securities of the Issuer are outstanding if the requirements for such exclusion
set forth in TIA ss. 310(b)(1) are met.

         Section 6.12. PREFERENTIAL COLLECTION OF CLAIMS AGAINST ISSUER. The
Indenture Trustee shall comply with TIA ss. 311(a), excluding any creditor
relationship listed in TIA ss. 311(b). An Indenture Trustee who has resigned or
been removed shall be subject to TIA ss. 311(a) to the extent indicated.

         Section 6.13. REPRESENTATIONS AND WARRANTIES. The Indenture Trustee
hereby represents that:

                     (i) The Indenture Trustee is duly organized and validly
         existing as an association in good standing under the laws of the
         United States with power and authority to own its properties and to
         conduct its business as such properties are currently owned and such
         business is presently conducted;

                    (ii) The Indenture Trustee has the power and authority to
         execute and deliver this Indenture and to carry out its terms; and the
         execution, delivery and performance of this Indenture have been duly
         authorized by the Indenture Trustee by all necessary corporate action;

                   (iii) The consummation of the transactions contemplated by
         this Indenture and the fulfillment of the terms hereof do not conflict
         with, result in any breach of any of the terms and provisions of, or
         constitute (with or without notice or lapse of time) a default under,
         the articles of organization or bylaws of the Indenture Trustee or any
         agreement or other instrument to which the Indenture Trustee is a party
         or by which it is bound; and

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<PAGE>



                    (iv) To the Indenture Trustee's best knowledge, there are no
         proceedings or investigations pending or threatened before any court,
         regulatory body, administrative agency or other governmental
         instrumentality having jurisdiction over the Indenture Trustee or its
         properties: (A) asserting the invalidity of this Indenture (B) seeking
         to prevent the consummation of any of the transactions contemplated by
         this Indenture or (C) seeking any determination or ruling that might
         materially and adversely affect the performance by the Indenture
         Trustee of its obligations under, or the validity or enforceability of,
         this Indenture.

         Section 6.14. DIRECTIONS TO INDENTURE TRUSTEE. The Indenture Trustee is
hereby directed:

         (a) to accept the pledge of the Mortgage Loans and hold the assets of
the Owner Trust Estate in trust for the Noteholders;

         (b) to authenticate and deliver the Notes substantially in the form
prescribed by Exhibits A-1 through A-3 in accordance with the terms of this
Indenture; and

         (c) to take all other actions as shall be required to be taken by the
terms of this Indenture.

         Section 6.15. THE AGENTS. The provisions of this Indenture relating to
the limitations of the Indenture Trustee's liability and to its indemnity shall
inure also to the Paying Agent and Note Registrar.



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                                   ARTICLE VII

                         NOTEHOLDERS' LISTS AND REPORTS

         Section 7.01. ISSUER TO FURNISH INDENTURE TRUSTEE NAMES AND ADDRESSES
OF NOTEHOLDERS. The Issuer will furnish or cause to be furnished to the
Indenture Trustee (a) not more than five days after each Record Date, a list, in
such form as the Indenture Trustee may reasonably require, of the names and
addresses of the Holders of Notes as of such Record Date, (b) at such other
times as the Indenture Trustee may request in writing, within 30 days after
receipt by the Issuer of any such request, a list of similar form and content as
of a date not more than 10 days prior to the time such list is furnished;
provided, however, that so long as the Indenture Trustee is the Note Registrar,
no such list shall be required to be furnished.

         Section 7.02. PRESERVATION OF INFORMATION; COMMUNICATIONS TO
NOTEHOLDERS. (a) The Indenture Trustee shall preserve, in as current a form as
is reasonably practicable, the names and addresses of the Holders of Notes
contained in the most recent list furnished to the Indenture Trustee as provided
in Section 7.01 hereof and the names and addresses of Holders of Notes received
by the Indenture Trustee in its capacity as Note Registrar. The Indenture
Trustee may destroy any list furnished to it as provided in such Section 7.01
upon receipt of a new list so furnished.

         (b) Noteholders may communicate pursuant to TIA ss. 312(b) with other
Noteholders with respect to their rights under this Indenture or under the
Notes.

         (c) The Issuer, the Indenture Trustee and the Note Registrar shall have
the protection of TIA ss. 312(c).

         Section 7.03. REPORTS OF ISSUER. (a) (i) The Indenture Trustee shall
file with the Commission on behalf of the Issuer, with a copy to the Issuer
within 15 days before the Issuer is required to file the same with the
Commission, the annual reports and the information, documents and other reports
(or such portions of any of the foregoing as the Commission may from time to
time by rules and regulations prescribe) that the Issuer may be required to file
with the Commission pursuant to Section 13 or 15(d) of the Exchange Act;

                       (ii) The Indenture Trustee shall file with the Commission
         on behalf of the Issuer, in accordance with rules and regulations
         prescribed from time to time by the Commission, such additional
         information, documents and reports with respect to compliance by the
         Issuer with the conditions and covenants of this Indenture as may be
         required from time to time by such rules and regulations; and

                      (iii) The Indenture Trustee shall supply (and the
         Indenture Trustee shall transmit by mail to all Noteholders described
         in TIA ss. 313(c)) such summaries of any information, documents and
         reports required to be filed by the Issuer pursuant to clauses (i) and
         (ii) of this Section 7.03(a) and by rules and regulations prescribed
         from time to time by the Commission.

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<PAGE>



         (b) Unless the Issuer otherwise determines, the fiscal year of the
Issuer shall end on December 31 of each year.

         Section 7.04. REPORTS BY INDENTURE TRUSTEE. If required by TIA ss.
313(a), within 60 days after each January 1 beginning with January 1, 1999, the
Indenture Trustee shall mail to each Noteholder as required by TIA ss. 313(c) a
brief report dated as of such date that complies with TIA ss. 313(a). The
Indenture Trustee also shall comply with TIA ss. 313(b).

         A copy of each report at the time of its mailing to Noteholders shall
be filed by the Indenture Trustee with the Commission and each stock exchange,
if any, on which the Notes are listed. The Issuer shall notify the Indenture
Trustee if and when the Notes are listed on any stock
exchange.

         Section 7.05. STATEMENTS TO NOTEHOLDERS. (a) With respect to each
Payment Date, the Indenture Trustee shall deliver to each Certificateholder,
Noteholder, the Depositor, the Owner Trustee, the Certificate Paying Agent and
each Rating Agency, a statement setting forth the following information as to
each Class of Notes and the Class B-2 Certificates, to the extent appli cable:

                        (i) the aggregate amount of collections with respect to
         the Mortgage Loans;

                        (ii) the Interest Remittance Amount and Principal
         Remittance Amount payable to the Noteholders and Class B-2
         Certificateholders for such Payment Date and the Net Monthly Excess
         Cash Flow for such Payment Date, and the aggregate Unpaid Interest
         Shortfall with respect to each Class of Notes and the Class B-2
         Certificates for such Payment Date and all prior Payment Dates;

                        (iii)(a) the amount of such distribution to the Holders
         of such Class applied to reduce the Note Principal Balance or
         Certificate Principal Balance thereof, and (b) the aggregate amount
         included therein representing Principal Prepayments;

                        (iv) the amount of such distribution to Holders of such
         Class of Notes or Certificates allocable to interest;

                        (v) if the distribution to the Holders of such Class of
         Notes or Certificates is less than the full amount that would be
         distributable to such Holders if there were sufficient funds available
         therefor, the amount of the shortfall;

                        (vi) the number and Pool Principal Balance of the
         Mortgage Loans after giving effect to the distribution of principal on
         such Payment Date;

                        (vii) the aggregate Note Principal Balance of each Class
         of the Notes and the Certificate Principal Balance of the Class B-2
         Certificates, after giving effect to the amounts distributed on such
         Payment Date, separately identifying any reduction thereof due to
         Realized Losses other than pursuant to an actual distribution of
         principal;

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<PAGE>




                        (viii) the number and aggregate Principal Balances of
         Mortgage Loans (a) as to which the Monthly Payment is delinquent for
         30-59 days, 60-89 days, 90 or more days, respectively, (b) in
         foreclosure and (c) that have become REO Property, in each case as of
         the end of the preceding Collection Period; PROVIDED, HOWEVER, that
         such information will not be provided on the statements relating to the
         first Payment Date;

                        (ix) the Required Overcollateralization Amount and
         Overcollateralization Amount, in each case after giving effect to the
         amounts distributed on the related Payment Date;

                        (x) the amount of any Advances and Compensating Interest
         payments;

                        (xi) the aggregate Realized Losses with respect to the
         related Payment Date and cumulative Realized Losses since the Closing
         Date;

                        (xii) the occurrence of the Credit Support Depletion
         Date;

                        (xiii) the number and aggregate Principal Balance of
         Mortgage Loans repurchased pursuant to the Mortgage Loan Purchase
         Agreement for the related Payment Date and cumulatively since the
         Closing Date;

                        (xiv) the Delinquency Percentage and Rolling Delinquency
         Percentage for such Payment Date;

                        (xv) the amount of any Prepayment Interest Shortfalls or
         Relief Act Shortfalls for such Payment Date; and

                        (xvi) the aggregate Principal Balance of Mortgage Loans
         purchased pursuant to Section 3.18 of the Servicing Agreement for the
         related Payment Date and cumulatively since the Closing Date.

         Items (iii), (iv) and (v) above shall be presented on the basis of a
Note having a $1,000 denomination. In addition, by January 31 of each calendar
year following any year during which the Notes are outstanding, the Indenture
Trustee shall furnish a report to each Noteholder of record if so requested in
writing at any time during each calendar year as to the aggregate of amounts
reported pursuant to (iii), (iv) and (v) with respect to the Notes for such
calendar year.

         The Indenture Trustee may conclusively rely upon the Determination Date
Report provided by the Master Servicer pursuant to Section 4.01 of the Servicing
Agreement in its preparation of its Statement to Noteholders.

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<PAGE>



                                  ARTICLE VIII

                      ACCOUNTS, DISBURSEMENTS AND RELEASES

         Section 8.01. COLLECTION OF MONEY. Except as otherwise expressly
provided herein, the Indenture Trustee may demand payment or delivery of, and
shall receive and collect, directly and without intervention or assistance of
any fiscal agent or other intermediary, all money and other property payable to
or receivable by the Indenture Trustee pursuant to this Indenture. The Indenture
Trustee shall apply all such money received by it as provided in this Indenture.
Except as otherwise expressly provided in this Indenture, if any default occurs
in the making of any payment or performance under any agreement or instrument
that is part of the Trust Estate, the Indenture Trustee may take such action as
may be appropriate to enforce such payment or performance, including the
institution and prosecution of appropriate Proceedings. Any such action shall be
without prejudice to any right to claim a Default or Event of Default under this
Indenture and any right to proceed thereafter as provided in Article V.

         Section 8.02. TRUST ACCOUNTS.

         On or prior to the Closing Date, the Issuer shall cause the Indenture
Trustee to establish and maintain, in the name of the Indenture Trustee, for the
benefit of the Noteholders, the Payment Account as provided in Section 3.01
hereof.

          All monies deposited from time to time in the Payment Account and all
investments made with such monies including all income or other gain from such
investments pursuant to the Servicing Agreement and all deposits therein
pursuant to this Indenture are for the benefit of the Noteholders. The amount of
any losses incurred with respect to any such investments shall be deposited in
the Payment Account by the Master Servicer.

         On each Payment Date, the Indenture Trustee shall distribute all
amounts on deposit in the Payment Account, after payment to the Indenture
Trustee of the Indenture Trustee Fee and payment to the Owner Trustee of the
Owner Trustee Fee, to the Noteholders in respect of the Notes and to such other
persons in the order of priority set forth in Section 3.05 hereof (except
as otherwise provided in Section 5.04(b) hereof).

         The Indenture Trustee shall invest any funds in the Payment Account in
Eligible Investments, as directed by the Master Servicer, maturing no later than
the Business Day preceding each Payment Date and such Eligible Investments shall
not be sold or disposed of prior to their maturity. In the absence of such
direction, the Indenture Trustee shall invest the funds in the Payment Account
in money market funds as further described in clause (vii) of the definition of
Eligible Investments.

         Section 8.03. OFFICER'S CERTIFICATE. The Indenture Trustee shall
receive at least seven days' notice when requested by the Issuer to take any
action pursuant to Section 8.05(a) hereof, accompanied by copies of any
instruments to be executed, and the Indenture Trustee shall also require, as a
condition to such action, an Officer's Certificate, in form and substance
satisfactory

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<PAGE>



to the Indenture Trustee, stating the legal effect of any such action, outlining
the steps required to complete the same, and concluding that all conditions
precedent to the taking of such action have been complied with.

         Section 8.04. TERMINATION UPON DISTRIBUTION TO NOTEHOLDERS. This
Indenture and the respective obligations and responsibilities of the Issuer and
the Indenture Trustee created hereby shall terminate upon the distribution to
Noteholders, the Certificate Paying Agent on behalf of the Certificateholders
and the Indenture Trustee of all amounts required to be distributed pursuant to
Article III; provided, however, that in no event shall the trust created hereby
continue beyond the expiration of 21 years from the death of the survivor of the
descendants of Joseph P. Kennedy, the late ambassador of the United States to
the Court of St. James, living on the date hereof.

         Section 8.05. RELEASE OF TRUST ESTATE. (a) Subject to the payment of
its fees and expenses, the Indenture Trustee may, and when required by the
provisions of this Indenture shall, execute instruments to release property from
the lien of this Indenture, or convey the Indenture Trustee's interest in the
same, in a manner and under circumstances that are not inconsistent with the
provisions of this Indenture. No party relying upon an instrument executed by
the Indenture Trustee as provided in Article VIII hereunder shall be bound to
ascertain the Indenture Trustee's authority, inquire into the satisfaction of
any conditions precedent, or see to the application of any monies.

         (b) The Indenture Trustee shall, at such time as (i) there are no Notes
Outstanding and (ii) all sums due to the Indenture Trustee pursuant to this
Indenture have been paid, release any remaining portion of the Trust Estate that
secured the Notes from the lien of this Indenture.

         (c) The Indenture Trustee shall release property from the lien of this
Indenture pursuant to this Section 8.05 only upon receipt of a request from the
Issuer accompanied by an Officers' Certificate and an Opinion of Counsel stating
that all applicable requirements have been
satisfied.

         Section 8.06. SURRENDER OF NOTES UPON FINAL PAYMENT. By acceptance of
any Note, the Holder thereof agrees to surrender such Note to the Indenture
Trustee promptly, prior to such Noteholder's receipt of the final payment
thereon.

         Section 8.07. OPTIONAL REDEMPTION OF THE NOTES. (a) The Issuer shall
have the option to redeem the Notes in whole, but not in part, on any Payment
Date on which the aggregate Principal Balance of the Mortgage Loans is less than
or equal to 10.00% of the aggregate Principal Balance of the Mortgage Loans as
of the Cut-off Date. The aggregate redemption price for the Notes will be equal
to the unpaid Note Principal Balance of the Notes as of the Payment Date on
which the proposed redemption will take place in accordance with the foregoing,
together with accrued and unpaid interest thereon at the Note Interest Rate
through such Payment Date, plus an amount sufficient to pay in full all amounts
owing to the Indenture Trustee under this Indenture (which amounts shall be
specified in writing upon request of the Issuer by the Indenture Trustee).

         (b) In order to exercise the foregoing option, the Issuer shall, not
less than 15 days prior to the proposed Payment Date on which such redemption is
to be made, deposit the aggregate

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<PAGE>



redemption price specified in (a) above with the Indenture Trustee, and shall
provide written notice of its exercise of such option to the Indenture Trustee,
the Owner Trustee and the Master Servicer. Following receipt of the notice and
the aggregate redemption price, calculated as specified in Section 8.07(a)
hereof, pursuant to the foregoing, the Indenture Trustee shall provide notice to
the Noteholders of the final payment on the Notes and shall apply such funds to
make final payments of principal and interest on the Notes in accordance with
Section 3.05(b) hereof, and this Indenture shall be discharged subject to the
provisions of Section 4.10 hereof. If for any reason the amount deposited by the
Issuer is not sufficient to make such redemption or such redemption cannot be
completed for any reason, the amount so deposited by the Issuer with the
Indenture Trustee shall be immediately returned to the Issuer in full and shall
not be used for any other purpose or be deemed to be part of the Trust Estate.



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                                   ARTICLE IX

                             SUPPLEMENTAL INDENTURES

         Section 9.01. SUPPLEMENTAL INDENTURES WITHOUT CONSENT OF NOTEHOLDERS.
(a) Without the consent of the Holders of any Notes but with prior notice to the
Rating Agencies, the Issuer and the Indenture Trustee, when authorized by an
Issuer Request, at any time and from time to time, may enter into one or more
indentures supplemental hereto (which shall conform to the provisions of the TIA
as in force at the date of the execution thereof), in form satisfactory to the
Indenture Trustee, for any of the following purposes:

                         (i) to correct or amplify the description of any
         property at any time subject to the lien of this Indenture, or better
         to assure, convey and confirm unto the Indenture Trustee any property
         subject or required to be subjected to the lien of this Indenture, or
         to subject to the lien of this Indenture additional property;

                         (ii) to evidence the succession, in compliance with the
         applicable provisions hereof, of another person to the Issuer, and the
         assumption by any such successor of the covenants of the Issuer herein
         and in the Notes contained;

                         (iii) to add to the covenants of the Issuer, for the
         benefit of the Holders of the Notes, or to surrender any right or power
         herein conferred upon the Issuer;

                         (iv) to convey, transfer, assign, mortgage or pledge
         any property to or with the Indenture Trustee;

                         (v) to cure any ambiguity, to correct or supplement any
         provision herein or in any supplemental indenture that may be
         inconsistent with any other provision herein or in any supplemental
         indenture;

                         (vi) to make any other provisions with respect to
         matters or questions arising under this Indenture or in any
         supplemental indenture; provided, that such action shall not materially
         and adversely affect the interests of the Holders of the Notes;

                         (vii) to evidence and provide for the acceptance of the
         appointment hereunder by a successor trustee with respect to the Notes
         and to add to or change any of the provisions of this Indenture as
         shall be necessary to facilitate the administration of the trusts
         hereunder by more than one trustee, pursuant to the requirements of
         Article VI hereof; or

                         (viii) to modify, eliminate or add to the provisions of
         this Indenture to such extent as shall be necessary to effect the
         qualification of this Indenture under the TIA or under any similar
         federal statute hereafter enacted and to add to this Indenture such
         other provisions as may be expressly required by the TIA;


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<PAGE>



provided, however, that no such indenture supplements shall be entered into
unless the Indenture Trustee shall have received an Opinion of Counsel that
entering into such indenture supplement will not result in a "substantial
modification" of the Notes under Treasury Regulation Section 1.1001.3 or
adversely affect the status of the Notes as indebtedness for federal income tax
purposes.

         The Indenture Trustee is hereby authorized to join in the execution of
any such supplemental indenture and to make any further appropriate agreements
and stipulations that may
be therein contained.

         (b) The Issuer and the Indenture Trustee, when authorized by an Issuer
Request, may, also without the consent of any of the Holders of the Notes but
with prior notice to the Rating Agencies, enter into an indenture or indentures
supplemental hereto for the purpose of adding any provisions to, or changing in
any manner or eliminating any of the provisions of, this Indenture or of
modifying in any manner the rights of the Holders of the Notes under this
Indenture; provided, however, that such action shall not, as evidenced by an
Opinion of Counsel, (i) adversely affect in any material respect the interests
of any Noteholder or (ii) if 100% of the Certificates are not owned by Impac
Secured Assets Corp., cause the Issuer to be subject to an entity level tax for
federal income tax purposes.

         Section 9.02. SUPPLEMENTAL INDENTURES WITH CONSENT OF NOTEHOLDERS. The
Issuer and the Indenture Trustee, when authorized by an Issuer Request, also
may, with prior notice to the Rating Agencies and, with the consent of the
Holders of not less than a majority of the Note Principal Balances of the Notes
affected thereby, by Act (as defined in Section 10.03 hereof) of such Holders
delivered to the Issuer and the Indenture Trustee, enter into an indenture or
indentures supplemental hereto for the purpose of adding any provisions to, or
changing in any manner or eliminating any of the provisions of, this Indenture
or of modifying in any manner the rights of the Holders of the Notes under this
Indenture; provided, however, that no such supplemental indenture shall, without
the consent of the Holder of each Note affected thereby:

                         (i) change the date of payment of any installment of
         principal of or interest on any Note, or reduce the principal amount
         thereof or the interest rate thereon, change the provisions of this
         Indenture relating to the application of collections on, or the
         proceeds of the sale of, the Trust Estate to payment of principal of or
         interest on the Notes, or change any place of payment where, or the
         coin or currency in which, any Note or the interest thereon is payable,
         or impair the right to institute suit for the enforcement of the
         provisions of this Indenture requiring the application of funds
         available therefor, as provided in Article V, to the payment of any
         such amount due on the Notes on or after the respective due dates
         thereof;

                         (ii) reduce the percentage of the Note Principal
         Balances of the Notes, the consent of the Holders of which is required
         for any such supplemental indenture, or the consent of the Holders of
         which is required for any waiver of compliance with certain provisions
         of this Indenture or certain defaults hereunder and their consequences
         provided for in this Indenture;

                                       54

<PAGE>



                         (iii) modify or alter the provisions of the proviso to
         the definition of the term "Outstanding" or modify or alter the
         exception in the definition of the term "Holder";

                         (iv) reduce the percentage of the Note Principal
         Balances of the Notes required to direct the Indenture Trustee to
         direct the Issuer to sell or liquidate the Trust Estate pursuant to
         Section 5.04 hereof;

                         (v) modify any provision of this Section 9.02 except to
         increase any percentage specified herein or to provide that certain
         additional provisions of this Indenture or the Basic Documents cannot
         be modified or waived without the consent of the Holder
         of each Note affected thereby;

                         (vi) modify any of the provisions of this Indenture in
         such manner as to affect the calculation of the amount of any payment
         of interest or principal due on any Note on any Payment Date (including
         the calculation of any of the individual components of such
         calculation); or

                         (vii) permit the creation of any lien ranking prior to
         or on a parity with the lien of this Indenture with respect to any part
         of the Trust Estate or, except as otherwise permitted or contemplated
         herein, terminate the lien of this Indenture on any property at any
         time subject hereto or deprive the Holder of any Note of the security
         provided by the lien of this Indenture; and provided, further, that
         such action shall not, as evidenced by an Opinion of Counsel, cause the
         Issuer (if 100% of the Certificates are not owned by Impac Secured
         Assets Corp.) to be subject to an entity level tax.

         The Indenture Trustee may, in its discretion determine whether or not
any Notes would be affected by any supplemental indenture and any such
determination shall be conclusive upon the Holders of all Notes, whether
theretofore or thereafter authenticated and delivered hereunder. The Indenture
Trustee shall not be liable for any such determination made in good faith.

         It shall not be necessary for any Act of Noteholders under this Section
9.02 to approve the particular form of any proposed supplemental indenture, but
it shall be sufficient if such Act shall approve the substance thereof.

         Promptly after the execution by the Issuer and the Indenture Trustee of
any supplemental indenture pursuant to this Section 9.02, the Indenture Trustee
shall mail to the Holders of the Notes to which such amendment or supplemental
indenture relates a notice setting forth in general terms the substance of such
supplemental indenture. Any failure of the Indenture Trustee to mail such
notice, or any defect therein, shall not, however, in any way impair or affect
the validity of any such supplemental indenture.

         Section 9.03. EXECUTION OF SUPPLEMENTAL INDENTURES. In executing, or
permitting the additional trusts created by, any supplemental indenture
permitted by this Article IX or the modification thereby of the trusts created
by this Indenture, the Indenture Trustee shall be entitled to receive, and
subject to Sections 6.01 and 6.02 hereof, shall be fully protected in relying
upon,

                                       55

<PAGE>



an Opinion of Counsel stating that the execution of such supplemental indenture
is authorized or permitted by this Indenture. The Indenture Trustee may, but
shall not be obligated to, enter into any such supplemental indenture that
affects the Indenture Trustee's own rights, duties, liabilities or immunities
under this Indenture or otherwise.

         Section 9.04. EFFECT OF SUPPLEMENTAL INDENTURE. Upon the execution of
any supplemental indenture pursuant to the provisions hereof, this Indenture
shall be and shall be deemed to be modified and amended in accordance therewith
with respect to the Notes affected thereby, and the respective rights,
limitations of rights, obligations, duties, liabilities and immunities under
this Indenture of the Indenture Trustee, the Issuer and the Holders of the Notes
shall thereafter be determined, exercised and enforced hereunder subject in all
respects to such modifications and amendments, and all the terms and conditions
of any such supplemental indenture shall be and be deemed to be part of the
terms and conditions of this Indenture for any and all purposes.

         Section 9.05. CONFORMITY WITH TRUST INDENTURE ACT. Every amendment of
this Indenture and every supplemental indenture executed pursuant to this
Article IX shall conform to the require ments of the Trust Indenture Act as then
in effect so long as this Indenture shall then be qualified under the Trust
Indenture Act.

         Section 9.06. REFERENCE IN NOTES TO SUPPLEMENTAL INDENTURES. Notes
authenticated and delivered after the execution of any supplemental indenture
pursuant to this Article IX may, and if required by the Indenture Trustee shall,
bear a notation in form approved by the Indenture Trustee as to any matter
provided for in such supplemental indenture. If the Issuer or the Inden ture
Trustee shall so determine, new Notes so modified as to conform, in the opinion
of the Indenture Trustee and the Issuer, to any such supplemental indenture may
be prepared and executed by the Issuer and authenticated and delivered by the
Indenture Trustee in exchange for Outstanding Notes.


                                       56

<PAGE>



                                    ARTICLE X

                                  MISCELLANEOUS

         Section 10.01. COMPLIANCE CERTIFICATES AND OPINIONS, ETC. (a) Upon any
application or request by the Issuer to the Indenture Trustee to take any action
under any provision of this Indenture, the Issuer shall furnish to the Indenture
Trustee (i) an Officer's Certificate stating that all conditions precedent, if
any, provided for in this Indenture relating to the proposed action have been
complied with and (ii) an Opinion of Counsel stating that in the opinion of such
counsel all such conditions precedent, if any, have been complied with, except
that, in the case of any such application or request as to which the furnishing
of such documents is specifically required by any provision of this Indenture,
no additional certificate or opinion need be furnished.

         Every certificate or opinion with respect to compliance with a
condition or covenant provided for in this Indenture shall include:

                           (1) a statement that each signatory of such
         certificate or opinion has read or has caused to be read such covenant
         or condition and the definitions herein relating thereto;

                           (2) a brief statement as to the nature and scope of
         the examination or investigation upon which the statements or opinions
         contained in such certificate or opinion are based;

                           (3) a statement that, in the opinion of each such
         signatory, such signatory has made such examination or investigation as
         is necessary to enable such signatory to express an informed opinion as
         to whether or not such covenant or condition has been complied with;

                           (4) a statement as to whether, in the opinion of each
         such signatory, such condition or covenant has been complied with; and

                           (5) if the signatory of such certificate or opinion
         is required to be Independent, the statement required by the definition
         of the term "Independent".

         (b) (i) Except with respect to the Substitution of Mortgage Loans
pursuant to Section 3.1 of the Mortgage Loan Purchase Agreement on the addition
of Subsequent Mortgage Loans, prior to the deposit of any Collateral or other
property or securities with the Indenture Trustee that is to be made the basis
for the release of any property or securities subject to the lien of this
Indenture, the Issuer shall, in addition to any obligation imposed in Section
10.01(a) or elsewhere in this Indenture, furnish to the Indenture Trustee an
Officer's Certificate certifying or stating the opinion of each person signing
such certificate as to the fair value (within 90 days of such deposit) to the
Issuer of the Collateral or other property or securities to be so deposited and
a report from a nationally recognized accounting firm verifying such value.


                                       57

<PAGE>



                            (ii) Whenever the Issuer is required to furnish to
the Indenture Trustee an Officer's Certificate certifying or stating the opinion
of any signer thereof as to the matters described in clause (i) above, the
Issuer shall also deliver to the Indenture Trustee an Independent Certificate
from a nationally recognized accounting firm as to the same matters, if the fair
value to the Issuer of the securities to be so deposited and of all other such
securities made the basis of any such withdrawal or release since the
commencement of the then-current fiscal year of the Issuer, as set forth in the
certificates delivered pursuant to clause (i) above and this clause (ii), is 10%
or more of the Note Principal Balances of the Notes, but such a certificate need
not be furnished with respect to any securities so deposited, if the fair value
thereof to the Issuer as set forth in the related Officer's Certificate is less
than $25,000 or less than one percent of the Note Principal Balances of the
Notes.

                           (iii) Except with respect to the Substitution of
Mortgage Loans pursuant
to
Section 3.1 of the Mortgage Loan Purchase Agreement on the addition of
Subsequent Mortgage Loans, whenever any property or securities are to be
released from the lien of this Indenture, the Issuer shall also furnish to the
Indenture Trustee an Officer's Certificate certifying or stating the opinion of
each person signing such certificate as to the fair value (within 90 days of
such release) of the property or securities proposed to be released and stating
that in the opinion of such person the proposed release will not impair the
security under this Indenture in contravention of the provisions hereof.

                            (iv) Whenever the Issuer is required to furnish to
the Indenture Trustee an Officer's Certificate certifying or stating the opinion
of any signer thereof as to the matters described in clause (iii) above, the
Issuer shall also furnish to the Indenture Trustee an Independent Certificate as
to the same matters if the fair value of the property or securities and of all
other property, other than securities released from the lien of this Indenture
since the commencement of the then-current calendar year, as set forth in the
certificates required by clause (iii) above and this clause (iv), equals 10% or
more of the Note Principal Balances of the Notes, but such certificate need not
be furnished in the case of any release of property or securities if the fair
value thereof as set forth in the related Officer's Certificate is less than
$25,000 or less than one percent of the then Note Principal Balances of the
Notes.

         Section 10.02. FORM OF DOCUMENTS DELIVERED TO INDENTURE TRUSTEE. In any
case where several matters are required to be certified by, or covered by an
opinion of, any specified Person, it is not necessary that all such matters be
certified by, or covered by the opinion of, only one such Person, or that they
be so certified or covered by only one document, but one such Person may certify
or give an opinion with respect to some matters and one or more other such
Persons as to other matters, and any such Person may certify or give an opinion
as to such matters in one or several documents.

         Any certificate or opinion of an Authorized Officer of the Issuer may
be based, insofar as it relates to legal matters, upon a certificate or opinion
of, or representations by, counsel, unless such officer knows, or in the
exercise of reasonable care should know, that the certificate or opinion or
representations with respect to the matters upon which his certificate or
opinion is based are erroneous. Any such certificate of an Authorized Officer or
Opinion of Counsel may be

                                       58

<PAGE>



based, insofar as it relates to factual matters, upon a certificate or opinion
of, or representations by, an officer or officers of the Seller or the Issuer,
stating that the information with respect to such factual matters is in the
possession of the Seller or the Issuer, unless such counsel knows, or in the
exercise of reasonable care should know, that the certificate or opinion or
representations with respect to such matters are erroneous.

         Where any Person is required to make, give or execute two or more
applications, requests, consents, certificates, statements, opinions or other
instruments under this Indenture, they may, but need not, be consolidated and
form one instrument.

         Whenever in this Indenture, in connection with any application or
certificate or report to the Indenture Trustee, it is provided that the Issuer
shall deliver any document as a condition of the granting of such application,
or as evidence of the Issuer's compliance with any term hereof, it is intended
that the truth and accuracy, at the time of the granting of such application or
at the effective date of such certificate or report (as the case may be), of the
facts and opinions stated in such document shall in such case be conditions
precedent to the right of the Issuer to have such application granted or to the
sufficiency of such certificate or report. The foregoing shall not, however, be
construed to affect the Indenture Trustee's right to rely upon the truth and
accuracy of any statement or opinion contained in any such document as provided
in Article VI.

         Section 10.03. ACTS OF NOTEHOLDERS. (a) Any request, demand,
authorization, direction, notice, consent, waiver or other action provided by
this Indenture to be given or taken by Noteholders may be embodied in and
evidenced by one or more instruments of substantially similar tenor signed by
such Noteholders in person or by agents duly appointed in writing; and except as
herein otherwise expressly provided, such action shall become effective when
such instrument or instruments are delivered to the Indenture Trustee, and,
where it is hereby expressly required, to the Issuer. Such instrument or
instruments (and the action embodied therein and evidenced thereby) are herein
sometimes referred to as the "Act" of the Noteholders signing such instrument or
instruments. Proof of execution of any such instrument or of a writing
appointing any such agent shall be sufficient for any purpose of this Indenture
and (subject to Section 6.01 hereof) conclusive in favor of the Indenture
Trustee and the Issuer, if made in the manner provided in this Section 10.03
hereof.

         (b) The fact and date of the execution by any person of any such
instrument or writing may be proved in any manner that the Indenture Trustee
deems sufficient.

         (c) The ownership of Notes shall be proved by the Note Registrar.

         (d) Any request, demand, authorization, direction, notice, consent,
waiver or other action by the Holder of any Notes shall bind the Holder of every
Note issued upon the registration thereof or in exchange therefor or in lieu
thereof, in respect of anything done, omitted or suffered to be done by the
Indenture Trustee or the Issuer in reliance thereon, whether or not notation of
such action is made upon such Note.


                                       59

<PAGE>



         Section 10.04. NOTICES, ETC., TO INDENTURE TRUSTEE, ISSUER AND RATING
AGENCIES. Any request, demand, authorization, direction, notice, consent, waiver
or Act of Noteholders or other documents provided or permitted by this Indenture
shall be in writing and if such request, demand, authorization, direction,
notice, consent, waiver or act of Noteholders is to be made upon, given or
furnished to or filed with:

                             (i) the Indenture Trustee by any Noteholder or by
         the Issuer shall be sufficient for every purpose hereunder if made,
         given, furnished or filed in writing to or with the Indenture Trustee
         at the Corporate Trust Office. The Indenture Trustee shall promptly
         transmit any notice received by it from the Noteholders to the Issuer,
         or

                            (ii) the Issuer by the Indenture Trustee or by any
         Noteholder shall be sufficient for every purpose hereunder if in
         writing and mailed first-class, postage prepaid to the Issuer addressed
         to: Impac Secured Assets CMN Trust Series 1998-1, in care of Wilmington
         Trust Company, Rodney Square North, 1100 North Market Street,
         Wilmington, Delaware 19890-0001, Attention: Corporate Trust
         Administration, or at any other address previously furnished in writing
         to the Indenture Trustee by the Issuer. The Issuer shall promptly
         transmit any notice received by it from the Noteholders to the
         Indenture Trustee.

         Notices required to be given to the Rating Agencies by the Issuer, the
Indenture Trustee or the Owner Trustee shall be in writing, personally delivered
or mailed first-class postage pre-paid, to (i) in the case of Moody's, at the
following address: Moody's Investors Service, Inc., Residential Mortgage
Monitoring Department, 99 Church Street, New York, New York 10007 and (ii) in
the case of Fitch, at the following address: One State Street Plaza, 33rd Floor,
New York, NY 10004; or as to each of the foregoing, at such other address as
shall be designated by written notice to the other parties.

         Section 10.05. NOTICES TO NOTEHOLDERS; WAIVER. Where this Indenture
provides for notice to Noteholders of any event, such notice shall be
sufficiently given (unless otherwise herein expressly provided) if in writing
and mailed, first-class, postage prepaid to each Noteholder affected by such
event, at such Person's address as it appears on the Note Register, not later
than the latest date, and not earlier than the earliest date, prescribed for the
giving of such notice. In any case where notice to Noteholders is given by mail,
neither the failure to mail such notice nor any defect in any notice so mailed
to any particular Noteholder shall affect the sufficiency of such notice with
respect to other Noteholders, and any notice that is mailed in the manner herein
provided shall conclusively be presumed to have been duly given regardless of
whether such notice is in fact actually received.

         Where this Indenture provides for notice in any manner, such notice may
be waived in writing by any Person entitled to receive such notice, either
before or after the event, and such waiver shall be the equivalent of such
notice. Waivers of notice by Noteholders shall be filed with the Indenture
Trustee but such filing shall not be a condition precedent to the validity of
any action taken in reliance upon such a waiver.


                                       60

<PAGE>



         In case, by reason of the suspension of regular mail service as a
result of a strike, work stoppage or similar activity, it shall be impractical
to mail notice of any event to Noteholders when such notice is required to be
given pursuant to any provision of this Indenture, then any manner of giving
such notice as shall be satisfactory to the Indenture Trustee shall be deemed to
be a sufficient giving of such notice.

         Where this Indenture provides for notice to the Rating Agencies,
failure to give such notice shall not affect any other rights or obligations
created hereunder, and shall not under any
circumstance constitute an Event of Default.

         Section 10.06. CONFLICT WITH TRUST INDENTURE ACT. If any provision
hereof limits, qualifies or conflicts with another provision hereof that is
required to be included in this Indenture by any of the provisions of the Trust
Indenture Act, such required provision shall control.

         The provisions of TIA ss.ss. 310 through 317 that impose duties on any
Person (including the provisions automatically deemed included herein unless
expressly excluded by this Indenture) are a part of and govern this Indenture,
whether or not physically contained herein.

         Section 10.07. EFFECT OF HEADINGS. The Article and Section headings
herein are for convenience only and shall not affect the construction hereof.

         Section 10.08. SUCCESSORS AND ASSIGNS. All covenants and agreements in
this Indenture and the Notes by the Issuer shall bind its successors and
assigns, whether so expressed or not. All agreements of the Indenture Trustee in
this Indenture shall bind its successors, co-trustees and agents.

         Section 10.09. SEPARABILITY. In case any provision in this Indenture or
in the Notes shall be invalid, illegal or unenforceable, the validity, legality,
and enforceability of the remaining provisions shall not in any way be affected
or impaired thereby.

         Section 10.10. BENEFITS OF INDENTURE. Nothing in this Indenture or in
the Notes, express or implied, shall give to any Person, other than the parties
hereto and their successors hereunder, and the Noteholders, any benefit or any
legal or equitable right, remedy or claim under this Indenture.

         Section 10.11. LEGAL HOLIDAYS. In any case where the date on which any
payment is due shall not be a Business Day, then (notwithstanding any other
provision of the Notes or this Indenture) payment need not be made on such date,
but may be made on the next succeeding Business Day with the same force and
effect as if made on the date on which nominally due, and no interest shall
accrue for the period from and after any such nominal date.

         Section 10.12. GOVERNING LAW. THIS INDENTURE SHALL BE CONSTRUED IN
ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK, WITHOUT REFERENCE TO ITS
CONFLICT OF LAW PROVISIONS, AND THE OBLIGATIONS,

                                       61

<PAGE>



RIGHTS AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN ACCORDANCE
WITH SUCH LAWS.

         Section 10.13. COUNTERPARTS. This Indenture may be executed in any
number of counterparts, each of which so executed shall be deemed to be an
original, but all such counterparts shall together constitute but one and the
same instrument.

         Section 10.14. RECORDING OF INDENTURE. If this Indenture is subject to
recording in any appropriate public recording offices, such recording is to be
effected by the Issuer and at its expense accompanied by an Opinion of Counsel
(which may be counsel to the Indenture Trustee or any other counsel reasonably
acceptable to the Indenture Trustee) to the effect that such recording is
necessary either for the protection of the Noteholders or any other Person
secured hereunder or for the enforcement of any right or remedy granted to the
Indenture Trustee under this Indenture.

         Section 10.15. ISSUER OBLIGATION. No recourse may be taken, directly or
indirectly, with respect to the obligations of the Issuer, the Owner Trustee or
the Indenture Trustee on the Notes or under this Indenture or any certificate or
other writing delivered in connection herewith or therewith, against (i) the
Indenture Trustee or the Owner Trustee in its individual capacity, (ii) any
owner of a beneficial interest in the Issuer or (iii) any partner, owner,
beneficiary, agent, officer, director, employee or agent of the Indenture
Trustee or the Owner Trustee in its individual capacity, any holder of a
beneficial interest in the Issuer, the Owner Trustee or the Indenture Trustee or
of any successor or assign of the Indenture Trustee or the Owner Trustee in its
individual capacity, except as any such Person may have expressly agreed (it
being understood that the Indenture Trustee and the Owner Trustee have no such
obligations in their individual capacity) and except that any such partner,
owner or beneficiary shall be fully liable, to the extent provided by applicable
law, for any unpaid consideration for stock, unpaid capital contribution or
failure to pay any installment or call owing to such entity. For all purposes of
this Indenture, in the performance of any duties or obligations of the Issuer
hereunder, the Owner Trustee shall be subject to, and entitled to the benefits
of, the terms and provisions of Article VI, VII and VIII of the Trust Agreement.

         Section 10.16. NO PETITION. The Indenture Trustee, by entering into
this Indenture, and each Noteholder, by accepting a Note, hereby covenant and
agree that they will not at any time institute against the Depositor or the
Issuer, or join in any institution against the Depositor or the Issuer of, any
bankruptcy, reorganization, arrangement, insolvency or liquidation proceedings,
or other proceedings under any United States federal or state bankruptcy or
similar law in connection with any obligations relating to the Notes, this
Indenture or any of the Basic Documents. This Section 10.16 will survive for one
year following the termination of this Indenture.

         Section 10.17. INSPECTION. The Issuer agrees that, on reasonable prior
notice, it shall permit any representative of the Indenture Trustee, during the
Issuer's normal business hours, to examine all the books of account, records,
reports and other papers of the Issuer, to make copies and extracts therefrom,
to cause such books to be audited by Independent certified public

                                       62

<PAGE>



accountants, and to discuss the Issuer's affairs, finances and accounts with the
Issuer's officers, employees, and Independent certified public accountants, all
at such reasonable times and as often as may be reasonably requested. The
Indenture Trustee shall cause its representatives to hold in confidence all such
information except to the extent disclosure may be required by law (and all
reasonable applications for confidential treatment are unavailing) and except to
the extent that the Indenture Trustee may reasonably determine that such
disclosure is consistent with its obligations hereunder.


                                       63

<PAGE>



         IN WITNESS WHEREOF, the Issuer and the Indenture Trustee have caused
their names to be signed hereto by their respective officers thereunto duly
authorized, all as of the day and year
first above written.

                               IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1,
                               as Issuer


                               By:_______________________________________
                               not in its individual capacity
                               but solely as Owner Trustee



                               Bankers Trust Company of California, N.A.,
                               as Indenture Trustee, as Certificate Paying Agent
                               and as Note Registrar


                               By:______________________________________
                                  Name: Melanie Anbarci
                                  Title: Assistant Vice President



Bankers Trust Company of California, N.A.

hereby accepts the appointment as Certificate
Paying Agent pursuant to Section 3.03 hereof
and as Certificate Registrar pursuant to
Section 4.02 hereof.


By:______________________________
Name:    Melanie Anbarci
Title:   Assistant Vice President



<PAGE>



STATE OF DELAWARE     )
                      ) ss.:
COUNTY OF NEW CASTLE  )

         On this __ day of March, before me personally appeared
________________, to me known, who being by me duly sworn, did depose and say,
that he resides at _____________, he is the Administrative Account Manager of
the Owner Trustee, one of the corporations described in and which executed the
above instrument; that he knows the seal of said corporation; that the seal
affixed to said instrument is such corporate seal; that it was so affixed by
order of the Board of Directors of said corporation; and that he signed his name
thereto by like order.




           Notary Public


[NOTARIAL SEAL]




<PAGE>



STATE OF NEW YORK  )
                   ) ss.:
COUNTY OF NEW YORK )

         On this ___ day of March, before me personally appeared Melanie
Anbarci, to me known, who being by me duly sworn, did depose and say, that she
is the Assistant Vice President of Bankers Trust Company of California, N.A., as
Indenture Trustee, one of the entities described in and which executed the above
instrument; and that she signed her name thereto by like order.



           Notary Public


[NOTARIAL SEAL]




<PAGE>



                                   EXHIBIT A-1

                              FORM OF CLASS A NOTES


UNLESS THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY
TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), TO THE INDENTURE TRUSTEE OR ITS
AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY NOTE ISSUED IS
REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN
AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO
SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON
IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN.

THIS NOTE IS A NON-RECOURSE OBLIGATION OF THE ISSUER, AND IS LIMITED IN RIGHT OF
PAYMENT TO AMOUNTS AVAILABLE FROM THE TRUST ESTATE AS PROVIDED IN THE INDENTURE
REFERRED TO BELOW. THE ISSUER IS NOT OTHERWISE PERSONALLY LIABLE FOR PAYMENTS ON
THIS NOTE.

PRINCIPAL OF THIS NOTE IS PAYABLE OVER TIME AS SET FORTH HEREIN. ACCORDINGLY,
THE OUTSTANDING PRINCIPAL OF THIS NOTE AT ANY TIME MAY BE LESS THAN THE AMOUNT
SHOWN ON THE FACE HEREOF.




                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1
                        COLLATERALIZED ASSET-BACKED NOTES


Class A-____

AGGREGATE NOTE PRINCIPAL                        NOTE RATE:____________
BALANCE: $

INITIAL NOTE PRINCIPAL
BALANCE OF THIS NOTE:  $

PERCENTAGE INTEREST:_____________              CUSIP NO. _____________


                                  NOTE NUMBER:




<PAGE>



         Impac Secured Assets CMN Trust Series 1998-1 (the "Issuer"), a Delaware
business trust, for value received, hereby promises to pay to __________ or
registered assigns, the principal sum of ______________________________________
($___________) in monthly installments on the twenty-fifth day of each month or,
if such day is not a Business Day, the next succeeding Business Day (each a
"Payment Date"), commencing in April 1998 and ending on or before the Payment
Date occurring in _______ 201_ and to pay interest on the Note Principal Balance
of this Class A-___ Note ( this "Note") outstanding from time to time as
provided below.

         This Note is one of a duly authorized issue of the Issuer's
Collateralized Asset-Backed Notes, Series 1998-1, (the "Notes"), issued under an
Indenture dated as of March 31, 1998 (the "Indenture"), between the Issuer and
Bankers Trust Company of California, N.A., as indenture trustee (the "Indenture
Trustee", which term includes any successor Indenture Trustee under the
Indenture), to which Indenture and all indentures supplemental thereto reference
is hereby made for a statement of the respective rights thereunder of the
Issuer, the Indenture Trustee, and the Holders of the Notes and the terms upon
which the Notes are to be authenticated and delivered. All terms used in this
Note which are defined in the Indenture shall have the meanings assigned to them
in the Indenture.

         Payments of principal and interest on this Note will be made on each
Payment Date to the Noteholder of record as of the related Record Date. On each
Payment Date, Noteholders will be entitled to receive interest payments in an
aggregate amount equal to the Interest Remittance Amount for such Payment Date,
together with principal payments in an aggregate amount equal to the Principal
Distribution Amount plus the Net Monthly Excess Cash Flow, if any, for such
Payment Date. The "Note Principal Balance" of a Note as of any date of
determination is equal to the initial Note Principal Balance thereof, reduced by
the aggregate of all amounts previously paid with respect to such Note on
account of principal.

         The principal of, and interest on, this Note are due and payable as
described in the Indenture, in such coin or currency of the United States of
America as at the time of payment is legal tender for payment of public and
private debts. All payments made by the Issuer with respect to this Note shall
be equal to this Note's pro rata share of the aggregate payments on all Notes as
described above, and shall be applied as between interest and principal as
provided in the Indenture.

         All principal and interest accrued on the Notes, if not previously
paid, will become finally due and payable at the Final Scheduled Payment Date.

         The Notes are subject to redemption in whole, but not in part, by the
Issuer on any Payment Date on or after the Payment Date on which the aggregate
Principal Balance of the Mortgage Loans is less than or equal to 10% of the
Original Pool Principal Balance.

         The Issuer shall not be liable upon the indebtedness evidenced by the
Notes except to the extent of amounts available from the Trust Estate which
constitutes security for the payment of the Notes. The assets included in the
Trust Estate will be the sole source of payments on the Notes, and each Holder
hereof, by its acceptance of this Note, agrees that (i) such Note will be
limited in right of payment to amounts available from the Trust Estate as
provided in the Indenture


<PAGE>



and (ii) such Holder shall have no recourse to the Issuer, the Owner Trustee,
the Indenture Trustee, Impac Secured Assets Corp., Imperial Credit Mortgage
Holdings, Inc., the Master Servicer or any of their respective affiliates, or to
the assets of any of the foregoing entities, except the assets of the Issuer
pledged to secure the Notes pursuant to the Indenture and the rights
conveyed to the Issuer under the Indenture.

         Any payment of principal or interest payable on this Note which is
punctually paid on the applicable Payment Date shall be paid to the Person in
whose name such Note (or one or more Predecessor Notes) is registered at the
close of business on the Record Date for such Payment Date by check mailed to
such person's address as it appears in the Note Register on such Record Date,
except for the final installment of principal and interest payable with respect
to such Note, which shall be payable as provided below. Notwithstanding the
foregoing, upon written request with appropriate instructions by the Holder of
this Note (holding an aggregate Initial Note Principal Balance of at least
$5,000,000) delivered to the Indenture Trustee at least five Business Days prior
to the Record Date, any payment of principal or interest, other than the final
installment of principal or interest, shall be made by wire transfer to an
account in the United States designated by such Holder. All reductions in the
principal amount of a Note (or one or more Predecessor Notes) effected by
payments of principal made on any Payment Date shall be binding upon all Holders
of this Note and of any note issued upon the registration of transfer thereof or
in exchange therefor or in lieu thereof, whether or not such payment is noted on
such Note. The final payment of this Note shall be payable upon presentation and
surrender thereof on or after the Payment Date thereof at the Corporate Trust
Office or the office or agency of the Issuer maintained by it for such purpose
pursuant to Section 3.02 of the Indenture.

         Subject to the foregoing provisions, each Note delivered under the
Indenture, upon registration of transfer of or in exchange for or in lieu of any
other Note shall carry the right to unpaid principal and interest that were
carried by such other Note.

         If an Event of Default as defined in the Indenture shall occur and be
continuing with respect to the Notes, the Notes may become or be declared due
and payable in the manner and with the effect provided in the Indenture. If any
such acceleration of maturity occurs prior to the payment of the entire unpaid
Note Principal Balance of the Notes, the amount payable to the Holder of this
Note will be equal to the sum of the unpaid Note Principal Balance of the Notes,
together with accrued and unpaid interest thereon as described in the Indenture.
The Indenture provides that, notwithstanding the acceleration of the maturity of
the Notes, under certain circumstances specified therein, all amounts collected
as proceeds of the Trust Estate securing the Notes or otherwise shall continue
to be applied to payments of principal of and interest on the Notes as if they
had not been declared due and payable.

         The failure to pay any Net Monthly Excess Cash Flow at any time when
funds are not available to make such payment as provided in the Indenture shall
not constitute an Event of Default under the Indenture.

         As provided in the Indenture and subject to certain limitations therein
set forth, the transfer of this Note may be registered on the Note Register of
the Issuer. Upon surrender for registration

                                      -69-

<PAGE>



of transfer of, or presentation of a written instrument of transfer for, this
Note at the office or agency designated by the Issuer pursuant to the Indenture,
accompanied by proper instruments of assignment in form satisfactory to the
Indenture Trustee, one or more new Notes of any authorized denominations and of
a like aggregate initial Note Principal Balance, will be issued to the
designated transferee or transferees.

         Prior to the due presentment for registration of transfer of this Note,
the Issuer, the Indenture Trustee and any agent of the Issuer or the Indenture
Trustee may treat the Person in whose name this Note is registered as the owner
of such Note (i) on the applicable Record Date for the purpose of making
payments and interest of such Note, and (ii) on any other date for all other
purposes whatsoever, as the owner hereof, whether or not this Note be overdue,
and neither the Issuer, the Indenture Trustee nor any such agent of the Issuer
or the Indenture Trustee shall be affected by notice to the contrary.

         The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Issuer and the rights of the Holders of the Notes under the Indenture at any
time by the Issuer with the consent of the Holders of a majority of all Notes at
the time outstanding. The Indenture also contains provisions permitting the
Holders of Notes representing specified percentages of the aggregate Note
Principal Balance of the Notes on behalf of the Holders of all the Notes, to
waive any past Default under the Indenture and its consequences. Any such waiver
by the Holder, at the time of the giving thereof, of this Note (or any one or
more Predecessor Notes) shall bind the Holder of every Note issued upon the
registration of transfer hereof or in exchange hereof or in lieu hereof, whether
or not notation of such consent or waiver is made upon such Note. The Indenture
also permits the Issuer and the Indenture Trustee to amend or waive certain
terms and conditions set forth in the Indenture without the consent of the
Holders of the Notes issued thereunder.

         Initially, the Notes will be registered in the name of Cede & Co. as
nominee of DTC, acting in its capacity as the Depository for the Notes. The
Notes will be delivered by the Clearing Agency in denominations as provided in
the Indenture and subject to certain limitations therein set forth. The Notes
are exchangeable for a like aggregate initial Note Principal Balance of Notes of
different authorized denominations, as requested by the Holder surrendering
same.

         Unless the Certificate of Authentication hereon has been executed by
the Indenture Trustee by manual signature, this Note shall not be entitled to
any benefit under the Indenture, or be valid
or obligatory for any purpose.

         AS PROVIDED IN THE INDENTURE, THIS NOTE AND THE INDENTURE CREATING THIS
NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH, AND GOVERNED BY, THE LAWS OF THE
STATE OF NEW YORK APPLICABLE TO AGREEMENTS MADE AND TO BE PERFORMED THEREIN.

                                      -70-

<PAGE>



         IN WITNESS WHEREOF, the Issuer has caused this instrument to be duly
executed by Wilmington Trust Company, not in its individual capacity but solely
as Owner Trustee.

Dated: March __, 1998

                                        IMPAC SECURED ASSETS CMN TRUST SERIES
                                        1998-1

                                        BY:      WILMINGTON TRUST COMPANY, not
                                                 in its individual capacity but
                                                 solely in its capacity as Owner
                                                 Trustee



                                        By:_____________________________________
                                                Authorized Signatory



                INDENTURE TRUSTEE'S CERTIFICATE OF AUTHENTICATION


This is one of the Class A-__ Notes referred to in the within-mentioned
Indenture.

BANKERS TRUST COMPANY
  OF CALIFORNIA, N.A., as Indenture Trustee



By:________________________________________
    Authorized Signatory



                                      -71-

<PAGE>



                                  ABBREVIATIONS
                                  -------------


         The following abbreviations, when used in the inscription on the face
of the Note, shall be construed as though they were written out in full
according to applicable laws or regulations:

          TEN COM   --    as tenants in common
          TEN ENT   --    as tenants by the entireties
           JT TEN   --    as joint tenants with right of survivorship and not as
                          tenants in common
UNIF GIFT MIN ACT   --    ___________ Custodian_________________________________
                            (Cust)                     (Minor)
                          under Uniform Gifts to Minor Act______________________
                                                                  (State)

     Additional abbreviations may also be used though not in the above list.


<PAGE>



                                   ASSIGNMENT
                                   ----------

  FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto

          PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF
                                    ASSIGNEE:

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
 (Please print or typewrite name and address, including zip code, of assignee)



________________________________________________________________________________
the within note and all rights thereunder, and hereby irrevocably constitutes
and appoints ____________________attorney to transfer said Note on the books
kept for registration thereof, with full power of substitution in the premises.

Dated:____________________________      ________________________________________

Signature Guaranteed by_________________________________________________________

         NOTICE: The signature(s) to this assignment must correspond with the
name as it appears upon the face of the within Note in every particular, without
alteration or enlargement or any change whatsoever. Signature(s) must be
guaranteed by a commercial bank or by a member firm of the New York Stock
Exchange or another national securities exchange. Notarized or witnessed
signatures are not acceptable.

                                       -2-

<PAGE>



                                   EXHIBIT A-2

                              FORM OF CLASS M NOTES




THIS NOTE IS A NON-RECOURSE OBLIGATION OF THE ISSUER, AND IS LIMITED IN RIGHT OF
PAYMENT TO AMOUNTS AVAILABLE FROM THE TRUST ESTATE AS PROVIDED IN THE INDENTURE
REFERRED TO BELOW. THE ISSUER IS NOT OTHERWISE PERSONALLY LIABLE FOR PAYMENTS ON
THIS NOTE.

PRINCIPAL OF THIS NOTE IS PAYABLE OVER TIME AS SET FORTH HEREIN. ACCORDINGLY,
THE OUTSTANDING PRINCIPAL OF THIS NOTE AT ANY TIME MAY BE LESS THAN THE AMOUNT
SHOWN ON THE FACE HEREOF.




                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1
                        COLLATERALIZED ASSET-BACKED NOTES


Class M-____

AGGREGATE NOTE PRINCIPAL                              NOTE RATE: ___________
BALANCE: $

INITIAL NOTE PRINCIPAL
BALANCE OF THIS NOTE:  $

PERCENTAGE INTEREST:_____________                     CUSIP NO. _____________


                                  NOTE NUMBER:


         Impac Secured Assets CMN Trust Series 1998-1 (the "Issuer"), a Delaware
business trust, for value received, hereby promises to pay to __________ or
registered assigns, the principal sum of ______________________________________
($___________) in monthly installments on the twenty-fifth day of each month or,
if such day is not a Business Day, the next succeeding Business Day (each a
"Payment Date"), commencing in April 1998 and ending on or before the Payment
Date occurring in ______ 201_ and to pay interest on the Note Principal Balance
of this Class M- ___ Note ( this "Note") outstanding from time to time as
provided below.


                                       -3-

<PAGE>



         This Note is one of a duly authorized issue of the Issuer's
Collateralized Asset-Backed Notes, Series 1998-1, (the "Notes"), issued under an
Indenture dated as of March 31, 1998 (the "Indenture"), between the Issuer and
Bankers Trust Company of California, N.A., as indenture trustee (the "Indenture
Trustee", which term includes any successor Indenture Trustee under the
Indenture), to which Indenture and all indentures supplemental thereto reference
is hereby made for a statement of the respective rights thereunder of the
Issuer, the Indenture Trustee, and the Holders of the Notes and the terms upon
which the Notes are to be authenticated and delivered. All terms used in this
Note which are defined in the Indenture shall have the meanings assigned to them
in the Indenture.

         Payments of principal and interest on this Note will be made on each
Payment Date to the Noteholder of record as of the related Record Date. On each
Payment Date, Noteholders will be entitled to receive interest payments in an
aggregate amount equal to the Interest Remittance Amount for such Payment Date,
together with principal payments in an aggregate amount equal to the Principal
Distribution Amount plus the Net Monthly Excess Cash Flow, if any, for such
Payment Date. The "Note Principal Balance" of a Note as of any date of
determination is equal to the initial Note Principal Balance thereof, reduced by
the aggregate of all amounts previously paid with respect to such Note on
account of principal and the aggregate amount of cumulative Realized Losses
allocated to such Note on all prior Payment Dates.

         The principal of, and interest on, this Note are due and payable as
described in the Indenture, in such coin or currency of the United States of
America as at the time of payment is legal tender for payment of public and
private debts. All payments made by the Issuer with respect to this Note shall
be equal to this Note's pro rata share of the aggregate payments on all Notes as
described above, and shall be applied as between interest and principal as
provided in the Indenture.

         All principal and interest accrued on the Notes, if not previously
paid, will become finally due and payable at the Final Scheduled Payment Date.

         The Notes are subject to redemption in whole, but not in part, by the
Issuer on any Payment Date on or after the Payment Date on which the aggregate
Principal Balance of the Mortgage Loans is less than or equal to 10% of the
Original Pool Balance.

         The Issuer shall not be liable upon the indebtedness evidenced by the
Notes except to the extent of amounts available from the Trust Estate which
constitutes security for the payment of the Notes. The assets included in the
Trust Estate will be the sole source of payments on the Notes, and each Holder
hereof, by its acceptance of this Note, agrees that (i) such Note will be
limited in right of payment to amounts available from the Trust Estate as
provided in the Indenture and (ii) such Holder shall have no recourse to the
Issuer, the Owner Trustee, the Indenture Trustee, Impac Secured Assets Corp.,
Imperial Credit Mortgage Holdings, Inc., the Master Servicer or any of their
respective affiliates, or to the assets of any of the foregoing entities, except
the assets of the Issuer pledged to secure the Notes pursuant to the Indenture
and the rights conveyed to the Issuer under the Indenture.



<PAGE>



         Any payment of principal or interest payable on this Note which is
punctually paid on the applicable Payment Date shall be paid to the Person in
whose name such Note (or one or more Predecessor Notes) is registered at the
close of business on the Record Date for such Payment Date by check mailed to
such person's address as it appears in the Note Register on such Record Date,
except for the final installment of principal and interest payable with respect
to such Note, which shall be payable as provided below. Notwithstanding the
foregoing, upon written request with appropriate instructions by the Holder of
this Note (holding an aggregate Initial Note Principal Balance of at least
$5,000,000) delivered to the Indenture Trustee at least five Business Days prior
to the Record Date, any payment of principal or interest, other than the final
installment of principal or interest, shall be made by wire transfer to an
account in the United States designated by such Holder. All reductions in the
principal amount of a Note (or one or more Predecessor Notes) effected by
payments of principal made on any Payment Date shall be binding upon all Holders
of this Note and of any note issued upon the registration of transfer thereof or
in exchange therefor or in lieu thereof, whether or not such payment is noted on
such Note. The final payment of this Note shall be payable upon presentation and
surrender thereof on or after the Payment Date thereof at the Corporate Trust
Office or the office or agency of the Issuer maintained by it for such purpose
pursuant to Section 3.02 of the Indenture.

         Subject to the foregoing provisions, each Note delivered under the
Indenture, upon registration of transfer of or in exchange for or in lieu of any
other Note shall carry the right to unpaid principal and interest that were
carried by such other Note.

         If an Event of Default as defined in the Indenture shall occur and be
continuing with respect to the Notes, the Notes may become or be declared due
and payable in the manner and with the effect provided in the Indenture. If any
such acceleration of maturity occurs prior to the payment of the entire unpaid
Note Principal Balance of the Notes, the amount payable to the Holder of this
Note will be equal to the sum of the unpaid Note Principal Balance of the Notes,
together with accrued and unpaid interest thereon as described in the Indenture.
The Indenture provides that, notwithstanding the acceleration of the maturity of
the Notes, under certain circumstances specified therein, all amounts collected
as proceeds of the Trust Estate securing the Notes or otherwise shall continue
to be applied to payments of principal of and interest on the Notes as if they
had not been declared due and payable.

         The failure to pay any Net Monthly Excess Cash Flow at any time when
funds are not available to make such payment as provided in the Indenture shall
not constitute an Event of Default under the Indenture.

         As provided in the Indenture and subject to certain limitations therein
set forth, the transfer of this Note may be registered on the Note Register of
the Issuer. Upon surrender for registration of transfer of, or presentation of a
written instrument of transfer for, this Note at the office or agency designated
by the Issuer pursuant to the Indenture, accompanied by proper instruments of
assignment in form satisfactory to the Indenture Trustee, one or more new Notes
of any authorized denominations and of a like aggregate initial Note Principal
Balance, will be issued to the designated transferee or transferees.


                                       -5-

<PAGE>



         Prior to the due presentment for registration of transfer of this Note,
the Issuer, the Indenture Trustee and any agent of the Issuer or the Indenture
Trustee may treat the Person in whose name this Note is registered as the owner
of such Note (i) on the applicable Record Date for the purpose of making
payments and interest of such Note, and (ii) on any other date for all other
purposes whatsoever, as the owner hereof, whether or not this Note be overdue,
and neither the Issuer, the Indenture Trustee nor any such agent of the Issuer
or the Indenture Trustee shall be affected by notice to the contrary.

         The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Issuer and the rights of the Holders of the Notes under the Indenture at any
time by the Issuer with the consent of the Holders of a majority of all Notes at
the time outstanding. The Indenture also contains provisions permitting the
Holders of Notes representing specified percentages of the aggregate Note
Principal Balance of the Notes on behalf of the Holders of all the Notes, to
waive any past Default under the Indenture and its consequences. Any such waiver
by the Holder, at the time of the giving thereof, of this Note (or any one or
more Predecessor Notes) shall bind the Holder of every Note issued upon the
registration of transfer hereof or in exchange hereof or in lieu hereof, whether
or not notation of such consent or waiver is made upon such Note. The Indenture
also permits the Issuer and the Indenture Trustee to amend or waive certain
terms and conditions set forth in the Indenture without the consent of the
Holders of the Notes issued thereunder.

         The Notes are exchangeable for a like aggregate initial Note Principal
Balance of Notes of different authorized denominations, as requested by the
Holder surrendering same.

         Unless the Certificate of Authentication hereon has been executed by
the Indenture Trustee by manual signature, this Note shall not be entitled to
any benefit under the Indenture, or be valid
or obligatory for any purpose.

         AS PROVIDED IN THE INDENTURE, THIS NOTE AND THE INDENTURE CREATING THIS
NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH, AND GOVERNED BY, THE LAWS OF THE
STATE OF NEW YORK APPLICABLE TO AGREEMENTS MADE AND TO BE PERFORMED THEREIN.

                                       -6-

<PAGE>



         IN WITNESS WHEREOF, the Issuer has caused this instrument to be duly
executed by Wilmington Trust Company, not in its individual capacity but solely
as Owner Trustee.

Dated: March __, 1998

                                        IMPAC SECURED ASSETS CMN TRUST SERIES
                                        1998-1

                                        BY:      WILMINGTON TRUST COMPANY, not
                                                 in its individual capacity but
                                                 solely in its capacity as Owner
                                                 Trustee



                                        By:_____________________________________
                                                Authorized Signatory



                INDENTURE TRUSTEE'S CERTIFICATE OF AUTHENTICATION


This is one of the Class M-__ Notes referred to in the within-mentioned
Indenture.

BANKERS TRUST COMPANY
  OF CALIFORNIA, N.A., as Indenture Trustee



By:________________________________________
    Authorized Signatory



                                       -7-

<PAGE>



                                  ABBREVIATIONS
                                  -------------


         The following abbreviations, when used in the inscription on the face
of the Note, shall be construed as though they were written out in full
according to applicable laws or regulations:

          TEN COM   --    as tenants in common
          TEN ENT   --    as tenants by the entireties
           JT TEN   --    as joint tenants with right of survivorship and not as
                          tenants in common
UNIF GIFT MIN ACT   --    ___________ Custodian_________________________________
                            (Cust)                     (Minor)
                          under Uniform Gifts to Minor Act______________________
                                                                  (State)

     Additional abbreviations may also be used though not in the above list.


<PAGE>


                                   ASSIGNMENT
                                   ----------

  FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto

          PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF
                                    ASSIGNEE:

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
 (Please print or typewrite name and address, including zip code, of assignee)



________________________________________________________________________________
the within note and all rights thereunder, and hereby irrevocably constitutes
and appoints ____________________attorney to transfer said Note on the books
kept for registration thereof, with full power of substitution in the premises.

Dated:____________________________      ________________________________________

Signature Guaranteed by_________________________________________________________

         NOTICE: The signature(s) to this assignment must correspond with the
name as it appears upon the face of the within Note in every particular, without
alteration or enlargement or any change whatsoever. Signature(s) must be
guaranteed by a commercial bank or by a member firm of the New York Stock
Exchange or another national securities exchange. Notarized or witnessed
signatures are not acceptable.

                                       -2-

<PAGE>



                                   EXHIBIT A-3

                             FORM OF Class B-1 NOTES




THIS NOTE IS A NON-RECOURSE OBLIGATION OF THE ISSUER, AND IS LIMITED IN RIGHT OF
PAYMENT TO AMOUNTS AVAILABLE FROM THE TRUST ESTATE AS PROVIDED IN THE INDENTURE
REFERRED TO BELOW. THE ISSUER IS NOT OTHERWISE PERSONALLY LIABLE FOR PAYMENTS ON
THIS NOTE.

PRINCIPAL OF THIS NOTE IS PAYABLE OVER TIME AS SET FORTH HEREIN. ACCORDINGLY,
THE OUTSTANDING PRINCIPAL OF THIS NOTE AT ANY TIME MAY BE LESS THAN THE AMOUNT
SHOWN ON THE FACE HEREOF.




                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1
                        COLLATERALIZED ASSET-BACKED NOTES


Class B-1

AGGREGATE NOTE PRINCIPAL                          NOTE RATE: ___________
BALANCE: $

INITIAL NOTE PRINCIPAL
BALANCE OF THIS NOTE:  $

PERCENTAGE INTEREST:_____________                 CUSIP NO. _____________


                                  NOTE NUMBER:


         Impac Secured Assets CMN Trust Series 1998-1 (the "Issuer"), a Delaware
business trust, for value received, hereby promises to pay to __________ or
registered assigns, the principal sum of ______________________________________
($___________) in monthly installments on the twenty-fifth day of each month or,
if such day is not a Business Day, the next succeeding Business Day (each a
"Payment Date"), commencing in April 1998 and ending on or before the Payment
Date occurring in _______ 201_ and to pay interest on the Note Principal Balance
of this Class B-1 Note ( this "Note") outstanding from time to time as provided
below.


                                       -3-

<PAGE>



         This Note is one of a duly authorized issue of the Issuer's
Collateralized Asset-Backed Notes, Series 1998-1, (the "Notes"), issued under an
Indenture dated as of March 31, 1998 (the "Indenture"), between the Issuer and
Bankers Trust Company of California, N.A., as indenture trustee (the "Indenture
Trustee", which term includes any successor Indenture Trustee under the
Indenture), to which Indenture and all indentures supplemental thereto reference
is hereby made for a statement of the respective rights thereunder of the
Issuer, the Indenture Trustee, and the Holders of the Notes and the terms upon
which the Notes are to be authenticated and delivered. All terms used in this
Note which are defined in the Indenture shall have the meanings assigned to them
in the Indenture.

         Payments of principal and interest on this Note will be made on each
Payment Date to the Noteholder of record as of the related Record Date. On each
Payment Date, Noteholders will be entitled to receive interest payments in an
aggregate amount equal to the Interest Remittance Amount for such Payment Date,
together with principal payments in an aggregate amount equal to the Principal
Distribution Amount plus the Net Monthly Excess Cash Flow, if any, for such
Payment Date. The "Note Principal Balance" of a Note as of any date of
determination is equal to the initial Note Principal Balance thereof, reduced by
the aggregate of all amounts previously paid with respect to such Note on
account of principal and the aggregate amount of cumulative Realized Losses
allocated to such Note on all prior Payment Dates.

         The principal of, and interest on, this Note are due and payable as
described in the Indenture, in such coin or currency of the United States of
America as at the time of payment is legal tender for payment of public and
private debts. All payments made by the Issuer with respect to this Note shall
be equal to this Note's pro rata share of the aggregate payments on all Notes as
described above, and shall be applied as between interest and principal as
provided in the Indenture.

         All principal and interest accrued on the Notes, if not previously
paid, will become finally due and payable at the Final Scheduled Payment Date.

         The Notes are subject to redemption in whole, but not in part, by the
Issuer on any Payment Date on or after the Payment Date on which the aggregate
Principal Balance of the Mortgage Loans is less than or equal to 10% of the
Original Pool Balance.

         The Issuer shall not be liable upon the indebtedness evidenced by the
Notes except to the extent of amounts available from the Trust Estate which
constitutes security for the payment of the Notes. The assets included in the
Trust Estate will be the sole source of payments on the Notes, and each Holder
hereof, by its acceptance of this Note, agrees that (i) such Note will be
limited in right of payment to amounts available from the Trust Estate as
provided in the Indenture and (ii) such Holder shall have no recourse to the
Issuer, the Owner Trustee, the Indenture Trustee, Impac Secured Assets Corp.,
Imperial Credit Mortgage Holdings, Inc., the Master Servicer or any of their
respective affiliates, or to the assets of any of the foregoing entities, except
the assets of the Issuer pledged to secure the Notes pursuant to the Indenture,
the rights conveyed to the Issuer under the Indenture.



<PAGE>



         Any payment of principal or interest payable on this Note which is
punctually paid on the applicable Payment Date shall be paid to the Person in
whose name such Note (or one or more Predecessor Notes) is registered at the
close of business on the Record Date for such Payment Date by check mailed to
such person's address as it appears in the Note Register on such Record Date,
except for the final installment of principal and interest payable with respect
to such Note, which shall be payable as provided below. Notwithstanding the
foregoing, upon written request with appropriate instructions by the Holder of
this Note (holding an aggregate Initial Note Principal Balance of at least
$5,000,000) delivered to the Indenture Trustee at least five Business Days prior
to the Record Date, any payment of principal or interest, other than the final
installment of principal or interest, shall be made by wire transfer to an
account in the United States designated by such Holder. All reductions in the
principal amount of a Note (or one or more Predecessor Notes) effected by
payments of principal made on any Payment Date shall be binding upon all Holders
of this Note and of any note issued upon the registration of transfer thereof or
in exchange therefor or in lieu thereof, whether or not such payment is noted on
such Note. The final payment of this Note shall be payable upon presentation and
surrender thereof on or after the Payment Date thereof at the Corporate Trust
Office or the office or agency of the Issuer maintained by it for such purpose
pursuant to Section 3.02 of the Indenture.

         Subject to the foregoing provisions, each Note delivered under the
Indenture, upon registration of transfer of or in exchange for or in lieu of any
other Note shall carry the right to unpaid principal and interest that were
carried by such other Note.

         If an Event of Default as defined in the Indenture shall occur and be
continuing with respect to the Notes, the Notes may become or be declared due
and payable in the manner and with the effect provided in the Indenture. If any
such acceleration of maturity occurs prior to the payment of the entire unpaid
Note Principal Balance of the Notes, the amount payable to the Holder of this
Note will be equal to the sum of the unpaid Note Principal Balance of the Notes,
together with accrued and unpaid interest thereon as described in the Indenture.
The Indenture provides that, notwithstanding the acceleration of the maturity of
the Notes, under certain circumstances specified therein, all amounts collected
as proceeds of the Trust Estate securing the Notes or otherwise shall continue
to be applied to payments of principal of and interest on the Notes as if they
had not been declared due and payable.

         The failure to pay any Net Monthly Excess Cash Flow at any time when
funds are not available to make such payment as provided in the Indenture shall
not constitute an Event of Default under the Indenture.

         As provided in the Indenture and subject to certain limitations therein
set forth, the transfer of this Note may be registered on the Note Register of
the Issuer. Upon surrender for registration of transfer of, or presentation of a
written instrument of transfer for, this Note at the office or agency designated
by the Issuer pursuant to the Indenture, accompanied by proper instruments of
assignment in form satisfactory to the Indenture Trustee, one or more new Notes
of any authorized denominations and of a like aggregate initial Note Principal
Balance, will be issued to the designated transferee or transferees.


                                       -5-

<PAGE>



         Prior to the due presentment for registration of transfer of this Note,
the Issuer, the Indenture Trustee and any agent of the Issuer or the Indenture
Trustee may treat the Person in whose name this Note is registered as the owner
of such Note (i) on the applicable Record Date for the purpose of making
payments and interest of such Note, and (ii) on any other date for all other
purposes whatsoever, as the owner hereof, whether or not this Note be overdue,
and neither the Issuer, the Indenture Trustee nor any such agent of the Issuer
or the Indenture Trustee shall be affected by notice to the contrary.

         The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Issuer and the rights of the Holders of the Notes under the Indenture at any
time by the Issuer with the consent of the Holders of a majority of all Notes at
the time outstanding. The Indenture also contains provisions permitting the
Holders of Notes representing specified percentages of the aggregate Note
Principal Balance of the Notes on behalf of the Holders of all the Notes, to
waive any past Default under the Indenture and its consequences. Any such waiver
by the Holder, at the time of the giving thereof, of this Note (or any one or
more Predecessor Notes) shall bind the Holder of every Note issued upon the
registration of transfer hereof or in exchange hereof or in lieu hereof, whether
or not notation of such consent or waiver is made upon such Note. The Indenture
also permits the Issuer and the Indenture Trustee to amend or waive certain
terms and conditions set forth in the Indenture without the consent of the
Holders of the Notes issued thereunder.

         The Notes are exchangeable for a like aggregate initial Note Principal
Balance of Notes of different authorized denominations, as requested by the
Holder surrendering same.

         Unless the Certificate of Authentication hereon has been executed by
the Indenture Trustee by manual signature, this Note shall not be entitled to
any benefit under the Indenture, or be valid
or obligatory for any purpose.

         AS PROVIDED IN THE INDENTURE, THIS NOTE AND THE INDENTURE CREATING THIS
NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH, AND GOVERNED BY, THE LAWS OF THE
STATE OF NEW YORK APPLICABLE TO AGREEMENTS MADE AND TO BE PERFORMED THEREIN.

                                       -6-

<PAGE>



         IN WITNESS WHEREOF, the Issuer has caused this instrument to be duly
executed by Wilmington Trust Company, not in its individual capacity but solely
as Owner Trustee.

Dated: March __, 1998

                                        IMPAC SECURED ASSETS CMN TRUST SERIES
                                        1998-1

                                        BY:      WILMINGTON TRUST COMPANY, not
                                                 in its individual capacity but
                                                 solely in its capacity as Owner
                                                 Trustee



                                        By:_____________________________________
                                                Authorized Signatory



                INDENTURE TRUSTEE'S CERTIFICATE OF AUTHENTICATION


This is one of the Class B-1 Notes referred to in the within-mentioned 
Indenture.

BANKERS TRUST COMPANY
  OF CALIFORNIA, N.A., as Indenture Trustee



By:________________________________________
    Authorized Signatory



                                       -7-

<PAGE>



                                  ABBREVIATIONS
                                  -------------


         The following abbreviations, when used in the inscription on the face
of the Note, shall be construed as though they were written out in full
according to applicable laws or regulations:

          TEN COM   --    as tenants in common
          TEN ENT   --    as tenants by the entireties
           JT TEN   --    as joint tenants with right of survivorship and not as
                          tenants in common
UNIF GIFT MIN ACT   --    ___________ Custodian_________________________________
                            (Cust)                     (Minor)
                          under Uniform Gifts to Minor Act______________________
                                                                  (State)

     Additional abbreviations may also be used though not in the above list.


<PAGE>



                                   ASSIGNMENT
                                   ----------

  FOR VALUE RECEIVED, the undersigned hereby sells, assigns and transfers unto

          PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF
                                    ASSIGNEE:

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
 (Please print or typewrite name and address, including zip code, of assignee)



________________________________________________________________________________
the within note and all rights thereunder, and hereby irrevocably constitutes
and appoints ____________________attorney to transfer said Note on the books
kept for registration thereof, with full power of substitution in the premises.

Dated:____________________________      ________________________________________

Signature Guaranteed by_________________________________________________________

         NOTICE: The signature(s) to this assignment must correspond with the
name as it appears upon the face of the within Note in every particular, without
alteration or enlargement or any change whatsoever. Signature(s) must be
guaranteed by a commercial bank or by a member firm of the New York Stock
Exchange or another national securities exchange. Notarized or witnessed
signatures are not acceptable.

                                       -2-

<PAGE>



                                    EXHIBIT B

                      FORM OF TRUSTEE INITIAL CERTIFICATION


                                                              [Closing Date]


[Master Servicer]

[Depositor]
___________________________
___________________________

            Re:   Indenture, dated as of March 31, 1998, between Impac Secured
                  Assets CMN Trust Series 1998-1 and Bankers Trust Company of
                  California, N.A., Impac Secured Assets Corp. Collateralized
                  Asset-Backed Notes, Series 1998-1

Gentlemen:

                  In accordance with Section 2.03 of the above-captioned
Indenture, and Section 2.1(b) of the Mortgage Loan Purchase Agreement, dated as
of March 31, 1998 among Imperial Credit Mortgage Holdings, Inc., ICI Funding
Corporation and Impac Secured Assets Corp. (the "Mortgage Loan Purchase
Agreement"; and together with the Indenture, the "Agreements"), the undersigned,
as Indenture Trustee, hereby certifies that as to each Mortgage Loan listed in
the Mortgage Loan Schedule (other than any Mortgage Loan paid in full or listed
on the attachment hereto) it has reviewed the Mortgage File and the Mortgage
Loan Schedule and has determined that: (i) all documents required to be included
in the Mortgage File are in its possession; (ii) such documents have been
reviewed by it and appear regular on their face and relate to such Mortgage
Loan; and (iii) based on examination by it, and only as to such documents, the
information set forth in items (i), (iii) and (v) of the definition or
description of "Mortgage Loan Schedule" is correct.

                  The Indenture Trustee has made no independent examination of
any documents contained in each Mortgage File beyond the review specifically
required in the above-referenced Agreements. The Indenture Trustee makes no
representation that any documents specified in clauses (vi) of Section 2.1(b) of
the Mortgage Loan Purchase Agreement should be included in any Mortgage File.
The Indenture Trustee makes no representations as to and shall not be
responsible to verify: (i) the validity, legality, sufficiency, enforceability,
due authorization, recordability or genuineness of any of the documents
contained in each Mortgage File of any of the Mortgage Loans identified on the
Mortgage Loan Schedule, (ii) the collectability, insurability, effectiveness or
suitability of any such Mortgage Loan, or (iii) the existence of any assumption,
modification, written assurance or substitution agreement with respect to any
Mortgage File if no such documents appear in the Mortgage File delivered to the
Indenture Trustee.

                                       -3-

<PAGE>



                  Capitalized words and phrases used herein shall have the
meanings assigned to them in the above-captioned Indenture.


                                        BANKERS TRUST COMPANY OF
                                        CALIFORNIA, N.A., as Indenture Trustee


                                        By:_____________________________________
                                        Name:
                                        Title:


                                       -4-

<PAGE>



                                    EXHIBIT F

                       FORM OF TRUSTEE FINAL CERTIFICATION


                                                              [date]

[Master Servicer]

[Depositor]
_______________________________
_______________________________


             Re:   Indenture, dated as of March 31, 1998, between Impac Secured
                   Assets CMN Trust Series 1998-1 and Bankers Trust Company of
                   California, N.A., Impac Secured Assets Corp. Collateralized
                   Asset-Backed Notes, Series 1998-1

Gentlemen:

                  In accordance with Section 2.03 of the above-captioned
Indenture, and Section 2.1(b) of the Mortgage Loan Purchase Agreement, dated as
of March 31, 1998 among Imperial Credit Mortgage Holdings, Inc., ICI Funding
Corporation and Impac Secured Assets Corp. (the "Mortgage Loan Purchase
Agreement"; and together with the Indenture, the "Agreements"), the undersigned,
as Indenture Trustee, hereby certifies that as to each Mortgage Loan listed in
the Mortgage Loan Schedule (other than any Mortgage Loan paid in full or listed
on the attachment hereto) it has received the documents set forth in Section
2.1(b) of the Mortgage Loan Purchase Agreement.

                  The Indenture Trustee has made no independent examination of
any documents contained in each Mortgage File beyond the review specifically
required in the Agreements. The Indenture Trustee makes no representation that
any documents specified in clause (vi) of Section 2.1(b) should be included in
any Mortgage File. The Indenture Trustee makes no representations as to and
shall not be responsible to verify: (i) the validity, legality, sufficiency,
enforceability, due authorization, recordability or genuineness of any of the
documents contained in each Mortgage File of any of the Mortgage Loans
identified on the Mortgage Loan Schedule, (ii) the collectability, insurability,
effectiveness or suitability of any such Mortgage Loan or (iii) the existence of
any assumption, modification, written assurance or substitution agreement with
respect to any Mortgage File if no such documents appear in the Mortgage File
delivered to the Indenture Trustee.

                                       -5-

<PAGE>




                  Capitalized words and phrases used herein shall have the
respective meanings assigned to them in the above-captioned Indenture.


                                    BANKERS TRUST COMPANY OF
                                    CALIFORNIA, N.A., as Indenture Trustee


                                    By:___________________________________
                                    Name:
                                    Title:

                                       -6-

<PAGE>



                                    EXHIBIT D

                             MORTGAGE LOAN SCHEDULE

                                   [See Tab 4]



                                       -7-

<PAGE>
                                   APPENDIX A

                                   DEFINITIONS

                  ACCRUED CERTIFICATE INTEREST: With respect to each Payment
Date, as to the Class B-2 Certificates, one month's interest accrued at the
related Certificate Interest Rate on the Certificate Principal Balance thereof
immediately prior to such Payment Date. Accrued Certificate Interest for the
Class B-2 Certificates shall be calculated on the basis of a 360 day year
consisting of twelve thirty-day months.

                  ACCRUED NOTE INTEREST: With respect to each Payment Date, as
to the Notes, one month's interest accrued at the related Note Interest Rate on
the Note Principal Balance thereof immediately prior to such Payment Date.
Accrued Note Interest for the Notes shall be calculated on the basis of a 360
day year consisting of twelve thirty day months.

                  ADDITION NOTICE: With respect to the transfer of Subsequent
Mortgage Loans to the Issuer pursuant to Section 2.3 of the Mortgage Loan
Purchase Agreement, a notice given to the Rating Agencies, the Indenture Trustee
and the Owner Trustee, which shall be given not later than seven Business Days
prior to the related Subsequent Transfer Date, of the Seller's designation of
Subsequent Mortgage Loans to be sold to the Issuer and the aggregate principal
balance as of the Subsequent Cut-Off Date of such Subsequent Mortgage Loans.

                  ADMINISTRATIVE FEE: With respect to each Mortgage Loan and any
Payment Date the product of (i) the Administrative Fee Rate and (ii) the
Principal Balance of such Mortgage Loan as of such date.

                  ADMINISTRATIVE FEE RATE:  0.0142% per annum.

                  ADVANCE: As to any Mortgage Loan, any advance made by the
Master Servicer, pursuant to Section 4.04 of the Servicing Agreement.

                  ADVANTA: Advanta Mortgage Corp. USA, a Delaware corporation or
its successor in interest.

                  AFFILIATE: With respect to any Person, any other Person
controlling, controlled by or under common control with such Person. For
purposes of this definition, "control" means the power to direct the management
and policies of a Person, directly or indirectly, whether through ownership of
voting securities, by contract or otherwise and "controlling" and "controlled"
shall have meanings correlative to the foregoing.

                  APPRAISED VALUE: The appraised value of a Mortgaged Property
based upon an appraisal made at the time of the origination of the related
Mortgage Loan; provided, that with respect to a Mortgage Loan (other than a
Preferred Mortgage Loan) with a Principal Balance at


<PAGE>



origination of $35,000 or less, the Appraised Value may be based on the stated
value of the related Mortgagor in his or her application.

                  ASSIGNMENT OF MORTGAGE: An assignment of Mortgage, notice of
transfer or equivalent instrument, in recordable form, which is sufficient under
the laws of the jurisdiction wherein the related Mortgaged Property is located
to reflect of record the sale of the Mortgage, which assignment, notice of
transfer or equivalent instrument may be in the form of one or more blanket
assignments covering Mortgages secured by Mortgaged Properties located in the
same county, if permitted by law.

                  AUTHORIZED NEWSPAPER: A newspaper of general circulation in
the Borough of Manhattan, The City of New York, printed in the English language
and customarily published on each Business Day, whether or not published on
Saturdays, Sundays or holidays.

                  AUTHORIZED OFFICER: With respect to the Issuer, any officer of
the Owner Trustee who is authorized to act for the Owner Trustee in matters
relating to the Issuer and who is identi fied on the list of Authorized Officers
delivered by the Owner Trustee to the Indenture Trustee on the Closing Date (as
such list may be modified or supplemented from time to time thereafter).

                  BANKRUPTCY CODE:  The Bankruptcy Code of 1978, as amended.

                  BASIC DOCUMENTS: The Trust Agreement, the Certificate of
Trust, the Indenture, the Mortgage Loan Purchase Agreement, the Servicing
Agreement and the other documents and certificates delivered in connection with
any of the above.

                  BENEFICIAL OWNER: With respect to any Note, the Person who is
the beneficial owner of such Note as reflected on the books of the Depository or
on the books of a Person maintaining an account with such Depository (directly
as a Depository Participant or indirectly through a Depository Participant, in
accordance with the rules of such Depository).

                  BOOK-ENTRY NOTES: Beneficial interests in the Notes, ownership
and transfers of which shall be made through book entries by the Depository as
described in Section 4.06 of the Indenture.

                  BUSINESS DAY: Any day other than (i) a Saturday or a Sunday or
(ii) a day on which banking institutions in the City of New York, Delaware or
California or in the city in which the corporate trust offices of the Indenture
Trustee are located, are required or authorized by law to be closed.

                  BUSINESS TRUST STATUTE: Chapter 38 of Title 12 of the Delaware
Code, 12 DEL. Code ss.ss.3801 ET SEQ., as the same may be amended from time to
time.

                  CASH LIQUIDATION: As to any defaulted Mortgage Loan other than
a Mortgage Loan as to which an REO Acquisition occurred, a determination by the
Master Servicer that it has

                                        2

<PAGE>



received all 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.

                  CERTIFICATE DISTRIBUTION ACCOUNT: The account or accounts
created and maintained pursuant to Section 3.10(c) of the Trust Agreement. The
Certificate Distribution Account shall be an Eligible Account.

                  CERTIFICATE INTEREST RATE: With respect to the Class B-2
Certificates, 11.64% per annum.

                  CERTIFICATE PAYING AGENT: The meaning specified in Section
3.10 of the Trust Agreement.

                  CERTIFICATE PERCENTAGE INTEREST: With respect to each
Certificate, the Certificate Percentage Interest on the face thereof.

                  CERTIFICATE PRINCIPAL BALANCE: With respect to the Class B-2
Certificates, the initial Certificate Principal Balance thereof, minus the sum
of all amounts distributed in respect of principal with respect to such
Certificate and the aggregate amount of cumulative Realized Losses allocated to
such Certificates on all prior Payment Dates.

                  CERTIFICATE REGISTER: The register maintained by the
Certificate Registrar in which the Certificate Registrar shall provide for the
registration of Certificates and of transfers and exchanges of Certificates.

                  CERTIFICATE REGISTRAR: Initially, the Indenture Trustee, in
its capacity as Certificate Registrar, or any successor to the Indenture Trustee
in such capacity.

                  CERTIFICATE OF TRUST: The Certificate of Trust filed for the
Trust pursuant to Section 3810(a) of the Business Trust Statute.

                  CERTIFICATES OR TRUST CERTIFICATES: The Impac Secured Assets
Corp., Trust Certificates, Series 1998-1, evidencing the beneficial ownership
interest in the Issuer and executed by the Owner Trustee in substantially the
form set forth in Exhibit A to the Trust Agreement.

                  CERTIFICATEHOLDER: The Person in whose name a Certificate is
registered in the Certificate Register. Pledgees of Certificates that have been
pledged in good faith may be regarded as Holders if the pledgee establishes to
the satisfaction of the Indenture Trustee or the Owner Trustee, as the case may
be, the pledgee's right so to act with respect to such Certificates and that the
pledgee is not the Issuer, any other obligor upon the Certificates or any
Affiliate of any of the foregoing Persons.

                  CLASS: Collectively, all of the Notes or Certificates bearing
the same designation.

                                        3

<PAGE>



                  CLASS A NOTES OR SENIOR NOTES: Any one of the Class A-1 Notes,
Class A-2 Notes, Class A-3 Notes, Class A-4 Notes or Class A-5 Notes.

                  CLASS M NOTES: Any one of the Class M-1 Notes or Class M-2
Notes.

                  CLASS B SECURITIES: The Class B-1 Notes and the Class B-2
Certificates.

                  CLASS B-2 CERTIFICATES: Any one of the Class B-2 Certificates.

                  CLOSING DATE: March 31, 1998.

                  CODE: The Internal Revenue Code of 1986, as amended, and the
rules and regulations promulgated thereunder.

                  COLLATERAL: The meaning specified in the Granting Clause of
the Indenture.

                  COLLECTION ACCOUNT: The account or accounts created and
maintained pursuant to Section 3.06(d) of the Servicing Agreement. The
Collection Account shall be an Eligible Account.

                  COLLECTION PERIOD: With respect to each Payment Date, the
calendar month immediately preceding the month is which such Payment Date
occurs.

                  COMBINED LOAN-TO-VALUE RATIO: With respect to any Mortgage
Loan and any date, the percentage equivalent of a fraction, the numerator of
which is the Cut-Off Date Principal Balance of such Mortgage Loan and of any
mortgage loan or mortgage loans that are secured by liens on the Mortgaged
Property that are senior to the Mortgage and the denominator of which is the
Appraised Value of the related Mortgaged Property.

                  COMPENSATING INTEREST: With respect to any Determination Date,
an amount equal to the lesser of (i) the aggregate amount of Prepayment Interest
Shortfall due to a Prepayment in Full for the related Collection Period and (ii)
the Servicing Fee for such Determination Date.

                  CORPORATE TRUST OFFICE: With respect to the Indenture Trustee,
Certificate Registrar, Certificate Paying Agent and Paying Agent, the principal
corporate trust office of the Indenture Trustee and Note Registrar at which at
any particular time its corporate trust business shall be administered, which
office at the date of the execution of this instrument is located at 3 Park
Plaza, 16th Floor, Irvine, California 92614, Attention: Impac Secured Assets CMN
1998-1, except that for purposes of Section 4.02 of the Indenture and Section
3.09 of the Trust Agreement, such term shall include the Indenture Trustee's
office or agency at 4 Albany Street, New York, New York 10006, Attention:
Certificate Transfers. With respect to the Owner Trustee, the principal
corporate trust office of the Owner Trustee at which at any particular time its
corporate trust business shall be administered, which office at the date of the
execution of this Trust Agreement is located at Wilmington Trust Company, Rodney
Square North, 1100 North Market

                                        4

<PAGE>



Street, Wilmington, Delaware 19801, Attention: Impac Secured Assets CMN Trust
Series 1998-1.

                  CREDIT SUPPORT DEPLETION DATE: The first Payment Date on which
the sum of the Overcollateralization Amount and the aggregate Note Principal
Balances and Certificate Principal Balances of the Subordinate Securities has
been reduced to zero.

                  CUT-OFF DATE: With respect to the Initial Mortgage Loans, the
close of business on February 28, 1998.

                  CUT-OFF DATE PRINCIPAL BALANCE: With respect to any Initial
Mortgage Loan, the unpaid principal balance thereof as of the Cut-Off Date.

                  DEFAULT: Any occurrence which is or with notice or the lapse
of time or both would become an Event of Default.

                  DEFINITIVE NOTES: The meaning specified in Section 4.06 of the
Indenture.

                  DELETED MORTGAGE LOAN: A Mortgage Loan replaced or to be
replaced with an Eligible Substitute Mortgage Loan.

                  DELINQUENCY PERCENTAGE: As of the last day of any Collection
Period and with respect to the Mortgage Loans, the percentage equivalent of a
fraction, the numerator of which equals the aggregate Principal Balance of the
Mortgage Loans that are 60 or more days delinquent, in foreclosure or converted
to REO Properties as of such last day of such Collection Period, and the
denominator of which is the aggregate Principal Balance of the Mortgage Loans as
of the last day of such Collection Period.

                  DEPOSITOR: Impac Secured Assets Corp., a California
corporation, or its successor in interest.

                  DEPOSITORY OR DEPOSITORY AGENCY: The Depository Trust Company
or a successor appointed by the Indenture Trustee with the approval of the
Depositor. Any successor to the Depository shall be an organization registered
as a "clearing agency" pursuant to Section 17A of the Exchange Act and the
regulations of the Securities and Exchange Commission thereunder.

                  DEPOSITORY PARTICIPANT: A Person for whom, from time to time,
the Depository effects book-entry transfers and pledges of securities deposited
with the Depository.

                  DETERMINATION DATE: With respect to any Payment Date, the 15th
of the related month, or if the 15th day of such month is not a Business Day,
the immediately preceding Business Day.

                  DUE DATE: The date on which the Monthly Payment on the related
Mortgage Loan is due in accordance with the terms of the related Mortgage Note.

                                        5

<PAGE>



                  ELIGIBLE ACCOUNT: An account that is any of the following: (i)
maintained with a depository institution the short term deposits of which have
been rated by each Rating Agency in its highest rating available, or (ii) an
account or accounts in a depository institution in which such accounts are fully
insured to the limits established by the FDIC, PROVIDED that any deposits not so
insured shall, to the extent acceptable to each Rating Agency, as evidenced in
writing, be maintained such that (as evidenced by an Opinion of Counsel
delivered to the Indenture Trustee and each Rating Agency) the Indenture Trustee
have a claim with respect to the funds in such account or a perfected first
security interest against any collateral (which shall be limited to Eligible
Investments) securing such funds that is superior to claims of any other
depositors or creditors of the depository institution with which such account is
maintained, or (iii) in the case of the Collection Account, either (A) a trust
account or accounts maintained at the Corporate Trust Department of the
Indenture Trustee or (B) a segregated account, so long as its short term debt
obligations are rated P-1 by Moody's and F-1 by Fitch or better and its long
term debt obligations are rated A2 by Moody's and A by Fitch or better, or (iv)
in the case of the Collection Account and the Payment Account, a trust account
or accounts maintained in the corporate trust division of the Indenture Trustee,
or (v) an account or accounts of a depository institution acceptable to each
Rating Agency as evidenced in writing by each Rating Agency that use of any such
account as the Collection Account or the Payment Account will not reduce the
rating assigned to any of the Securities by such Rating Agency below investment
grade.

                  ELIGIBLE INVESTMENTS:  One or more of the following:

                         (i) direct obligations of, and obligations fully
         guaranteed by, the United States of America, the Federal Home Mortgage
         Corporation, the Federal National Mortgage Association, the Federal
         Home Loan Banks or any agency or instrumentality of the United States
         of America the obligations of which are backed by the full faith and
         credit of the United States of America;

                        (ii) (A) demand and time deposits in, certificates of
         deposit of, banker's acceptances issued by or federal funds sold by any
         depository institution or trust company (including the Indenture
         Trustee or its agent acting in their respective commercial capacities)
         incorporated under the laws of the United States of America or any
         State thereof and subject to supervision and examination by federal
         and/or state authorities, so long as at the time of such investment or
         contractual commitment providing for such investment, such depository
         institution or trust company has a short term unsecured debt rating in
         the highest available rating category of each of the Rating Agencies
         and provided that each such investment has an original maturity of no
         more than 365 days, and (B) any other demand or time deposit or deposit
         which is fully insured by the Federal Deposit Insurance Corporation;

                       (iii) repurchase obligations with a term not to exceed 30
         days with respect to any security described in clause (i) above and
         entered into with a depository institution or trust company (acting as
         a principal) rated "A" or higher by Fitch and A2 or higher by Moody's;
         provided, however, that collateral transferred pursuant to such
         repurchase

                                        6

<PAGE>



         obligation must (A) be valued weekly at current market price plus
         accrued interest, (B) pursuant to such valuation, equal, at all times,
         105% of the cash transferred by the Indenture Trustee in exchange for
         such collateral and (C) be delivered to the Indenture Trustee or, if
         the Indenture Trustee is supplying the collateral, an agent for the
         Indenture Trustee, in such a manner as to accomplish perfection of a
         security interest in the collateral by possession of certificated
         securities.

                        (iv) securities bearing interest or sold at a discount
         issued by any corporation incorporated under the laws of the United
         States of America or any State thereof which has a long term unsecured
         debt rating in the highest available rating category of each of the
         Rating Agencies at the time of such investment;

                         (v) commercial paper having an original maturity of
         less than 365 days and issued by an institution having a short term
         unsecured debt rating in the highest available rating category of each
         of the Rating Agencies at the time of such investment;

                        (vi) a guaranteed investment contract approved by each
         of the Rating Agencies and issued by an insurance company or other
         corporation having a long term unsecured debt rating in the highest
         available rating category of each of the Rating Agencies at the time of
         such investment;

                       (vii) money market funds having ratings in the highest
         available long-term rating category of each of the Rating Agencies at
         the time of such investment; any such money market funds which provide
         for demand withdrawals being conclusively deemed to satisfy any
         maturity requirement for Eligible Investments set forth in the
         Indenture; and

                      (viii) any investment approved in writing by each of the
Rating Agencies.

The Indenture Trustee may purchase from or sell to itself or an affiliate, as
principal or agent, the Eligible Investments listed above.

PROVIDED, HOWEVER, that each such instrument shall be acquired in an arm's
length transaction and no such instrument shall be an Eligible Investment if it
represents, either (1) the right to receive only interest payments with respect
to the underlying debt instrument or (2) the right to receive both principal and
interest payments derived from obligations underlying such instrument and the
principal and interest payments with respect to such instrument provide a yield
to maturity greater than 120% of the yield to maturity at par of such underlying
obligations; PROVIDED FURTHER, HOWEVER, that each such instrument acquired shall
not be acquired at a price in excess of par.

                  ELIGIBLE SUBSTITUTE MORTGAGE LOAN: A Mortgage Loan substituted
by the Seller for a Deleted Mortgage Loan which must, on the date of such
substitution, as confirmed in an Officer's Certificate delivered to the
Indenture Trustee, (i) have an outstanding principal balance, after deduction of
the principal portion of the monthly payment due in the month of substitution
(or in the case of a substitution of more than one Mortgage Loan for a Deleted
Mortgage Loan,

                                        7

<PAGE>



an aggregate outstanding principal balance, after such deduction), not in excess
of the outstanding principal balance of the Deleted Mortgage Loan (the amount of
any shortfall to be deposited by the Seller in the Collection Account in the
month of substitution); (ii) comply with each representa tion and warranty set
forth in clauses (ii) through (lxv) of Section 3.1(b) of the Mortgage Loan
Purchase Agreement other than clauses (ii)-(ix), (xi)-(xii), (xlii) and (lix);
(iii) have a Mortgage Rate no lower than and not more than 1% per annum higher
than the Mortgage Rate of the Deleted Mortgage Loan as of the date of
substitution; (iv) have a Loan-to-Value Ratio and a Combined Loan-to-Value Ratio
at the time of substitution no higher than that of the Deleted Mortgage Loan at
the time of substitution; (v) have a remaining term to stated maturity not
greater than (and not more than one year less than) that of the Deleted Mortgage
Loan and (vi) not be 30 days or more delinquent.

                  ERISA: The Employee Retirement Income Security Act of 1974, as
amended.

                  EVENT OF DEFAULT: With respect to the Indenture, any one of
the following events (whatever the reason for such Event of Default and whether
it shall be voluntary or involuntary or be effected by operation of law or
pursuant to any judgment, decree or order of any court or any order, rule or
regulation of any administrative or governmental body):

                         (i) a default in the payment of (i) Accrued Note
         Interest or Unpaid Interest Shortfalls with respect to any class of
         Notes, (ii) the Principal Distribution Amount with respect to any class
         of Notes, and (iii) the Extra Principal Distribution Amount with
         respect to a Payment Date, but only to the extent funds are available
         to make such payment as provided in the Indenture; or

                        (ii) the failure by the Issuer on the Final Scheduled
         Payment Date to reduce the Note Principal Balance to zero; or

                       (iii) there occurs a default in the observance or
         performance of any covenant or agreement of the Issuer made in the
         Indenture, or any representation or warranty of the Issuer made in the
         Indenture or in any certificate or other writing delivered pursuant
         hereto or in connection herewith proving to have been incorrect in any
         material respect as of the time when the same shall have been made, and
         such default shall continue or not be cured, or the circumstance or
         condition in respect of which such representation or warranty was
         incorrect shall not have been eliminated or otherwise cured, for a
         period of 30 days after there shall have been given, by registered or
         certified mail, to the Issuer by the Indenture Trustee or to the Issuer
         and the Indenture Trustee by the Holders of at least 25% of the
         Outstanding Amount of the Notes, a written notice specifying such
         default or incorrect representation or warranty and requiring it to be
         remedied and stating that such notice is a notice of default hereunder;
         or

                        (iv) there occurs the filing of a decree or order for
         relief by a court having jurisdiction in the premises in respect of the
         Issuer or any substantial part of the Trust Estate in an involuntary
         case under any applicable federal or state bankruptcy,

                                        8

<PAGE>



         insolvency or other similar law now or hereafter in effect, or
         appointing a receiver, liquidator, assignee, custodian, trustee,
         sequestrator or similar official of the Issuer or for any substantial
         part of the Trust Estate, or ordering the winding-up or liquidation of
         the Issuer's affairs, and such decree or order shall remain unstayed
         and in effect for a period of 60 consecutive days; or

                         (v) there occurs the commencement by the Issuer of a
         voluntary case under any applicable federal or state bankruptcy,
         insolvency or other similar law now or hereafter in effect, or the
         consent by the Issuer to the entry of an order for relief in an
         involuntary case under any such law, or the consent by the Issuer to
         the appointment or taking possession by a receiver, liquidator,
         assignee, custodian, trustee, sequestrator or similar official of the
         Issuer or for any substantial part of the assets of the Trust Estate,
         or the making by the Issuer of any general assignment for the benefit
         of creditors, or the failure by the Issuer generally to pay its debts
         as such debts become due, or the taking of any action by the Issuer in
         furtherance of any of the foregoing.

                  EVENT OF SERVICER TERMINATION: With respect to the Servicing
Agreement, a Servicing Default as defined in Section 6.01 of the Servicing
Agreement.

                  EXCESS OVERCOLLATERALIZATION AMOUNT: With respect to any
Payment Date, the excess, if any, of (a) the Overcollateralization Amount that
would apply on such Payment Date after taking into account all distributions to
be made on such Payment Date over (b) the Required Overcollateralization Amount
for such Payment Date.

                  EXCHANGE ACT: The Securities Exchange Act of 1934, as amended,
and the rules and regulations promulgated thereunder.

                  EXPENSES: The meaning specified in Section 7.02 of the Trust
Agreement.

                  EXTRA PRINCIPAL DISTRIBUTION AMOUNT: As of any Payment Date,
the lesser of (x) the Net Monthly Excess Interest Amount for such Payment Date
and (y) the excess, if any, of (i) the Required Overcollateralization Amount for
such Payment Date over (ii) the Overcollateralization Amount (calculated for
this purpose after taking into account the reduction on such Payment Date of the
Note Principal Balances of all Classes of Notes and Certificate Principal
Balances of the Class B-2 Certificates resulting from the distribution of the
Principal Remittance Amount) for such Payment Date.

                  FDIC: The Federal Deposit Insurance Corporation or any
successor thereto.

                  FHLMC: The Federal Home Loan Mortgage Corporation, or any
successor thereto.

                  FINAL SCHEDULED PAYMENT DATE: The Payment Date occurring in
December, 2017.


                                        9

<PAGE>



                  FITCH: Fitch IBCA, Inc.

                  FNMA: The Federal National Mortgage Association, or any
successor thereto.

                  FORECLOSURE PROFIT: With respect to a Liquidated Mortgage
Loan, the amount, if any, by which (i) the aggregate of its Net Liquidation
Proceeds exceeds (ii) the related Principal Balance (plus accrued and unpaid
interest thereon at the applicable Mortgage Rate from the date interest was last
paid through the date of receipt of the final Liquidation Proceeds) of such
Liquidated Mortgage Loan immediately prior to the final recovery of its
Liquidation Proceeds.

                  FUNDING PERIOD: The period beginning on the Closing Date and
ending on the earlier of the date on which (a) the amount on deposit in the
related Pre-Funding Account (net of any investment earnings thereon) is less
than $10,000 or (b) the close of business on June 30, 1998.

                  GRANT: Pledge, bargain, sell, warrant, alienate, remise,
release, convey, assign, transfer, create, and grant a lien upon and a security
interest in and right of set-off against, deposit, set over and confirm pursuant
to the Indenture. A Grant of the Collateral or of any other agreement or
instrument shall include all rights, powers and options (but none of the
obligations) of the granting party thereunder, including the immediate and
continuing right to claim for, collect, receive and give receipt for principal
and interest payments in respect of such collateral or other agreement or
instrument and all other moneys payable thereunder, to give and receive notices
and other communications, to make waivers or other agreements, to exercise all
rights and options, to bring proceedings in the name of the granting party or
otherwise, and generally to do and receive anything that the granting party is
or may be entitled to do or receive thereunder or with respect thereto.

                  GUARANTOR: Impac Mortgage Holdings, Inc., a Maryland
corporation, and its successors and assigns.

                  HOLDER: A Noteholder of Certificateholder, as applicable.

                  INDEMNIFIED PARTY: The meaning specified in Section 7.02 of
the Trust Agreement.

                  INDENTURE: The indenture dated as of March 31, 1998, between
the Issuer, as debtor, and the Indenture Trustee, as Indenture Trustee, relating
to the Impac Secured Assets CMN Trust Series 1998-1 Notes and Certificates.

                  INDENTURE TRUSTEE: Bankers Trust Company of California, N.A.,
a national banking association, and its successors and assigns or any successor
indenture trustee appointed pursuant to the terms of the Indenture.


                                       10

<PAGE>



                  INDENTURE TRUSTEE FEE: With respect to the Mortgage Loans and
any Payment Date the product of (i) the Indenture Trustee Fee Rate and (ii) the
sum of the aggregate Principal Balance of the Mortgage Loans and the Pre-Funding
Amount as of such date.

                  INDENTURE TRUSTEE FEE RATE: 0.0125% per annum.

                  INDEPENDENT: When used with respect to any specified Person,
the Person (i) is in fact independent of the Issuer, any other obligor on the
Notes or Certificates, the Seller, the Issuer, the Depositor and any Affiliate
of any of the foregoing Persons, (ii) does not have any direct financial
interest or any material indirect financial interest in the Issuer, any such
other obligor, the Seller, the Issuer, the Depositor or any Affiliate of any of
the foregoing Persons and (iii) is not connected with the Issuer, any such other
obligor, the Seller, the Issuer, the Depositor or any Affiliate of any of the
foregoing Persons as an officer, employee, promoter, underwriter, trustee,
partner, director or person performing similar functions.

                  INDEPENDENT CERTIFICATE: A certificate or opinion to be
delivered to the Indenture Trustee under the circumstances described in, and
otherwise complying with, the applicable requirements of Section 10.01 of the
Indenture, made by an Independent appraiser or other expert appointed by an
Issuer Request and approved by the Indenture Trustee in the exercise of
reasonable care, and such opinion or certificate shall state that the signer has
read the definition of "Independent" in this Indenture and that the signer is
Independent within the meaning thereof.

                  INITIAL NOTE PRINCIPAL BALANCE: With respect to the Notes,
$292,395,000.00.

                  INITIAL MORTGAGE LOAN: A Mortgage Loan transferred and
conveyed by the Company to the Issuer on the Closing Date, as listed on the
Mortgage Loan Schedule.

                  INITIAL SUBSERVICER:  Advanta or Wendover.

                  INTEREST COVERAGE ACCOUNT: The account established and
maintained pursuant to Section 2.5 of the Mortgage Loan Purchase Agreement.

                  INTEREST COVERAGE ADDITION: As to any Payment Date, an amount,
not less than $0.00, equal to the interest accrued at the Weighted Average Net
Loan Rate for the related Interest Period on an amount equal to (i) the Original
Pre-Funded Amount minus (ii) the aggregate Principal Balance of any related
Subsequent Mortgage Loans transferred during the immediately preceding
Collection Period, minus any amounts received with respect to interest on such
Subsequent Mortgage Loans during such Collection Period.

                  INTEREST COVERAGE AMOUNT: The amount to be paid from proceeds
received from the sale of the Notes for deposit into the Interest Coverage
Account pursuant to Section 2.5 of the Mortgage Loan Purchase Agreement on the
Closing Date, which amount shall be $889,008.55.


                                       11

<PAGE>



                  INTEREST REMITTANCE AMOUNT: With respect to any Payment Date,
the sum of the following:

         (i) the interest portion of each Monthly Payment due after the Cut-Off
         Date (including amounts in the Collection Account representing interest
         due after but paid prior to the Cut- off Date) and received on or
         before the Determination Date or advanced prior to such Payment Date
         (other than Monthly Payments due after the related Collection Period,
         which shall be treated as if received during the Collection Period they
         were due and other than Monthly Payments with respect to which the
         Master Servicer has made an unreimbursed Advance) on each Outstanding
         Mortgage Loan (less the related Servicing Fees, any subservicing fees
         under any Subservicing Agreement and any fees or penalties retained by
         the Servicer or any subservicer and Administrative Fees);

         (ii) the interest portion of all other unscheduled collections
         (including, without limitation, Liquidation Proceeds and REO Proceeds)
         received during the related Collection Period (or deemed to have been
         so received) to the extent applied by the Master Servicer as recoveries
         of interest on the related Mortgage Loan at the Net Mortgage Rate
         pursuant to Section 3.13 of the Servicing Agreement;

         (iii) any amounts received with respect to a Mortgage Loan that was 180
         or more days delinquent in payment of interest (including amounts with
         respect to principal);

         (iv) any amounts withdrawn from the Interest Coverage Account with
         respect to such Payment Date.

         minus

         (v) if the Notes have been declared due and payable following an Event
         of Default on such Payment Date, any amounts owed to the Indenture
         Trustee by the Issuer pursuant to Section 6.07 of the Indenture.

                  INVESTMENT COMPANY ACT: The Investment Company Act of 1940, as
amended, and any amendments thereto.

                  ISSUER: Impac Secured Assets CMN Trust Series 1998-1, a
Delaware business trust, or its successor in interest.

                  ISSUER REQUEST: A written order or request signed in the name
of the Issuer by any one of its Authorized Officers, and delivered to the
Indenture Trustee.

                  LIEN: Any mortgage, deed of trust, pledge, conveyance,
hypothecation, assignment, participation, deposit arrangement, encumbrance, lien
(statutory or other), preference, priority right or interest or other security
agreement or preferential arrangement of any kind or nature whatsoever,
including, without limitation, any conditional sale or other title retention
agree-

                                       12

<PAGE>

ment, any financing lease having substantially the same economic effect as any
of the foregoing and the filing of any financing statement under the UCC (other
than any such financing statement filed for informational purposes only) or
comparable law of any jurisdiction to evidence any of the foregoing; PROVIDED,
HOWEVER, that any assignment pursuant to Section 6.02 of the Servicing Agreement
shall not be deemed to constitute a Lien.

                  LIQUIDATED MORTGAGE LOAN: With respect to any Payment Date,
any Mortgage Loan in respect of which the Master Servicer has determined, in
accordance with the servicing procedures specified in the Servicing Agreement,
as of the end of the related Collection Period that substantially all
Liquidation Proceeds which it reasonably expects to recover with respect to the
disposition of the related Mortgaged Property or REO Property have been
recovered. In addition, the Master Servicer will treat any Mortgage Loan that is
180 days or more delinquent as having been finally liquidated.

                  LIQUIDATION EXPENSES: Out-of-pocket expenses (exclusive of
overhead) which are incurred by or on behalf of the Master Servicer in
connection with the liquidation of any Mortgage Loan and not recovered under any
insurance policy, such expenses including, without limitation, legal fees and
expenses, any unreimbursed amount expended (including, without limitation,
amounts advanced to correct defaults on any mortgage loan which is senior to
such Mortgage Loan and amounts advanced to keep current or pay off a mortgage
loan that is senior to such Mortgage Loan) respecting the related Mortgage Loan
and any related and unreimbursed expenditures for real estate property taxes or
for property restoration, preservation or insurance against casualty loss or
damage.

                  LIQUIDATION PROCEEDS: Proceeds received in connection with the
liquidation of any Mortgage Loan or related REO Property, including the proceeds
of any insurance policy, whether through trustee's sale, foreclosure sale or
otherwise.

                  LOAN-TO-VALUE RATIO: With respect to any Mortgage Loan, as of
any date of determination, a fraction expressed as a percentage, the numerator
of which is the then current principal amount of the Mortgage Loan, and the
denominator of which is the Appraised Value of the related Mortgaged Property.

                  LOST NOTE AFFIDAVIT: With respect to any Mortgage Loan as to
which the original Mortgage Note has been lost or destroyed and has not been
replaced, an affidavit from the Seller certifying that the original Mortgage
Note has been lost, misplaced or destroyed (together with a copy of the related
Mortgage Note).

                  MASTER SERVICER: Impac Funding Corporation, a California
corporation, and its successors and assigns.

                  MONTHLY PAYMENT: With respect to any Mortgage Loan (including
any REO Property) and any Due Date, the payment of principal and interest due
thereon in accordance with the amortization schedule at the time applicable
thereto (after adjustment, if any, for partial

                                       13

<PAGE>



Prepayments occurring prior to such Due Date but before any adjustment to such
amortization schedule by reason of any bankruptcy or similar proceeding or any
moratorium or similar waiver
or grace period).

                  MOODY'S: Moody's Investors Service, Inc. or its successor in
interest.

                  MORTGAGE: The mortgage, deed of trust or other instrument
creating a first lien on an estate in fee simple interest in real property
securing a Mortgage Loan.

                  MORTGAGE FILE: The file containing the Related Documents
pertaining to a particular Mortgage Loan and any additional documents required
to be added to the Mortgage File pursuant to the Mortgage Loan Purchase
Agreement or the Servicing Agreement.

                  MORTGAGE LOAN PURCHASE AGREEMENT: The Mortgage Loan Purchase
Agreement, dated as of the Cut-Off Date, among the Seller, as seller, the
Purchaser, as purchaser and the Guarantor, as guarantor, relating to the sale,
transfer and assignment of the Mortgage Loans.

                  MORTGAGE LOAN SCHEDULE: With respect to any date, the schedule
of Mortgage Loans held by the Issuer on such date. The initial schedule of
Initial Mortgage Loans as of the Cut-Off Date is the schedule set forth in
Exhibit A of the Servicing Agreement and such schedule, as amended by the Seller
to reflect (i) Eligible Substitute Mortgage Loans and Deleted Mortgage Loans,
and (ii) as of each Subsequent Transfer Date, any Subsequent Mortgage Loans,
which schedule sets forth as to each Mortgage Loan:

                (i)        the loan number and name of the Mortgagor;

               (ii)        the street address, city, state and zip code of the
                           Mortgaged Property;

              (iii)        the Mortgage Rate;

               (iv)        the maturity date;

                (v)        the original principal balance;

               (vi)        the first payment date;

              (vii)        the type of Mortgaged Property;

             (viii)        the Monthly Payment in effect as of the Cut-Off Date
                           (with respect to an Initial Mortgage Loan) or
                           Subsequent Cut-Off Date (with respect to a Subsequent
                           Mortgage Loan);


                                       14

<PAGE>



               (ix)        the Cut-Off Date Principal Balance (with respect to
                           an Initial Mortgage Loan) or Subsequent Cut-Off Date
                           (with respect to a Subsequent Mortgage Loan);

                (x)        the occupancy status;

               (xi)        the purpose of the Mortgage Loan;

              (xii)        the Appraised Value of the Mortgaged Property;

             (xiii)        the original term to maturity;

              (xiv)        the paid-through date of the Mortgage Loan;

               (xv)        the Loan-to-Value Ratio;

              (xvi)        whether the Mortgage Loan is secured by a first lien
                           or second lien;

             (xvii)        the credit score of the related borrower;

            (xviii)        whether the Mortgage Loan was originated by Preferred
                           Credit Corporation; and

              (xix)        whether or not the Mortgage Loan was underwritten
                           pursuant to a limited documentation program.

         The Mortgage Loan Schedule shall also set forth the total of the
amounts described under (ix) above for all of the Mortgage Loans.

                  MORTGAGE LOANS: At any time, collectively, all the Mortgage
Loans that have been sold to the Depositor under the Mortgage Loan Purchase
Agreement or substituted for pursuant to Section 2.1 and 3.1 of the Mortgage
Loan Purchase Agreement and transferred and conveyed to the Issuer and
contributed to the Trust, in each case together with the Related Documents, and
that remain subject to the terms thereof. As applicable, Mortgage Loan shall be
deemed to refer to the related REO Property and to Initial Mortgage Loans,
Eligible Substitute Mortgage Loans, and Subsequent Mortgage Loans.

                  MORTGAGE NOTE: The note or other evidence of the indebtedness
of a Mortgagor under a Mortgage Loan.

                  MORTGAGE RATE: With respect to any Mortgage Loan, the annual
rate at which interest accrues on such Mortgage Loan.


                                       15

<PAGE>



                  MORTGAGED PROPERTY: The underlying property, including real
property and improvements thereon, securing a Mortgage Loan.

                  MORTGAGOR: The obligor or obligors under a Mortgage Note.

                  NET LIQUIDATION PROCEEDS: With respect to any Liquidated
Mortgage Loan, Liquidation Proceeds net of Liquidation Expenses.

                  NET DELINQUENCY AMOUNT: With respect to any Payment Date, the
excess, if any, of (x) the product of 1.50 and the Six-Month Rolling Delinquency
Average over (y) the aggregate of the Net Monthly Excess Interest Amount for the
three preceding Payments Dates.

                  NET MONTHLY EXCESS CASH FLOW: For any Payment Date, the sum of
the Net Monthly Excess Interest Amount as determined pursuant to Section
3.05(b)(vi) of the Indenture and the Net Monthly Excess Principal Amount for
such Payment Date as determined pursuant to Section 3.05(c)(vi) or 3.05(d)(vi)
of the Indenture. Net Monthly Excess Cash Flow shall be allocated on each
Payment Date in accordance with the priorities set forth in Section 3.05(e) of
the Indenture.

                  NET MONTHLY EXCESS INTEREST AMOUNT: For any Payment Date, the
amount as defined in Section 3.05(b)(vi) of the Indenture.

                  NET MONTHLY EXCESS PRINCIPAL AMOUNT: With respect to any
Payment Date prior to the Stepdown Date, the amount as defined in Section
3.05(c)(vi) of the Indenture. With respect to any Payment Date on or after the
Stepdown Date, the amount as defined in Section 3.05(d)(vi) of the Indenture.

                  NET MORTGAGE RATE: With respect to any Mortgage Loan and any
day, the related Mortgage Rate less the sum of the related Servicing Fee Rate
and the Administrative Fee Rate.

                  NONRECOVERABLE ADVANCE: Any Advance or Servicing Advance (i)
which was previously made or is proposed to be made by the Master Servicer; and
(ii) which, in the good faith judgment of the Master Servicer, will not or, in
the case of a proposed advance, would not, be ultimately recoverable by the
Master Servicer from Liquidation Proceeds or future payments on any Mortgage
Loan.

                  NOTE INTEREST RATE: As to any Payment Date, a per annum fixed
rate equal to 6.71% with respect to the Class A-1 Notes, 6.49% with respect to
the Class A-2 Notes, 6.52% with respect to the Class A-3 Notes, 6.84% with
respect to the Class A-4 Notes, 7.40% with respect to the Class A-5 Notes, 7.58%
with respect to the Class M-1 Notes, 7.77% with respect to the Class M-2 Notes,
and 8.95% with respect to the Class B-1 Notes.

                  NOTE OWNER:  The Beneficial Owner of a Note.


                                       16

<PAGE>



                  NOTE PRINCIPAL BALANCE: With respect to any Class A Note, the
initial Note Principal Balance thereof, minus all amounts distributed in respect
of principal with respect to such Note. With respect to any of the Class M-1,
Class M-2 and Class B-1 Notes, the initial Note Principal Balance thereof, minus
the sum of all amounts distributed in respect of principal with respect to such
Note and the aggregate amount of cumulative Realized Losses allocated to such
Note on all prior Payment Dates.

                  NOTE REGISTER: The register maintained by the Note Registrar
in which the Note Registrar shall provide for the registration of Notes and of
transfers and exchanges of Notes.

                  NOTE REGISTRAR: The Indenture Trustee, in its capacity as Note
Registrar, or any successor to the Indenture Trustee in such capacity.

                  NOTEHOLDER: The Person in whose name a Note is registered in
the Note Register, except that, any Note registered in the name of the
Depositor, the Issuer or the Indenture Trustee or any Affiliate of any of them
shall be deemed not to be a Noteholder or holder, nor shall any Note so owned be
considered outstanding, for purposes of giving any request, demand,
authorization, direction, notice, consent or waiver under the Indenture or the
Trust Agreement; provided that, in determining whether the Indenture Trustee
shall be protected in relying upon any such request, demand, authorization,
direction, notice, consent or waiver, only Notes that the Indenture Trustee or
the Owner Trustee knows to be so owned shall be so disregarded. Pledgees of
Notes that have been pledged in good faith may be regarded as Holders if the
pledgee establishes to the satisfaction of the Indenture Trustee or the Owner
Trustee the pledgee's right so to act with respect to such Notes and that the
pledgee is not the Issuer, any other obligor upon the Notes or any Affiliate of
any of the foregoing Persons.

                  NOTES: The Notes issued and outstanding at any time pursuant
to the Indenture.

                  OFFICER'S CERTIFICATE: With respect to the Master Servicer, a
certificate signed by the President, Managing Director, a Director, a Vice
President or an Assistant Vice President, of the Master Servicer and delivered
to the Indenture Trustee. With respect to the Issuer, a certificate signed by
any Authorized Officer of the Issuer, under the circumstances described in, and
otherwise complying with, the applicable requirements of Section 10.01 of the
Indenture, and delivered to the Indenture Trustee. Unless otherwise specified,
any reference in the Indenture to an Officer's Certificate shall be to an
Officer's Certificate of any Authorized Officer of the Issuer.

                  OPINION OF COUNSEL: A written opinion of counsel who may be
in-house counsel for the Master Servicer if acceptable to the Indenture Trustee
and the Rating Agencies or counsel for the Depositor, as the case may be.

                  ORIGINAL POOL BALANCE: The sum of (x) the Principal Balance of
the Mortgage Loans as of the Cut-Off Date and (y) the Original Pre-Funded
Amount.


                                       17

<PAGE>



                  ORIGINAL PRE-FUNDED AMOUNT: The amount deposited (from the
Note proceeds) in the Pre-Funding Account on the Closing Date, which amount is
$33,184,962.50.

                  OUTSTANDING: With respect to the Notes, as of the date of
determination, all Notes theretofore executed, authenticated and delivered under
this Indenture except:

                        (i) Notes theretofore cancelled by the Note Registrar or
         delivered to the Indenture Trustee for cancellation and Certificates
         cancelled by the Indenture Trustee; and

                        (ii) Notes in exchange for or in lieu of which other
         Notes have been executed, authenticated and delivered pursuant to the
         Indenture unless proof satisfactory to the Indenture Trustee is
         presented that any such Notes are held by a holder in due course.

                  OUTSTANDING MORTGAGE LOAN: As to any Payment Date, a Mortgage
Loan (including an REO Property) which was not (i) the subject of a Principal
Prepayment in Full, Cash Liquidation or REO Disposition during the preceding
Collection Period, (ii) purchased, deleted or substituted for during the
preceding Collection Period pursuant to the Servicing Agreement or (iii) 180
days or more delinquent as of such Payment Date.

                  OVERCOLLATERALIZATION AMOUNT: As of any Payment Date, the
excess, if any, of (a) the aggregate Principal Balances of the Mortgage Loans
and the amount of funds in the Pre- Funding Account immediately following such
Payment Date over (b) the Note Principal Balance and Certificate Principal
Balance, as applicable, of the Class A Notes and Subordinate Securities as of
such Payment Date (after taking into account the payment to the Class A Notes
and the Subordinate Securities of the Principal Distribution Amount).

                  OVERCOLLATERALIZATION REDUCTION AMOUNT: As of any Payment
Date, any Excess Overcollateralization Amount as of such Payment Date after
distribution of the Principal Distribution Amount on such Payment Date.

                  OWNER TRUST ESTATE: The corpus of the Issuer created by the
Trust Agreement which consists of items referred to in Section 2.01 of the Trust
Agreement.

                  OWNER TRUSTEE: Wilmington Trust Company and its successors and
assigns or any successor owner trustee appointed pursuant to the terms of the
Trust Agreement.

                  OWNER TRUSTEE FEE: With respect to any Payment Date the
product of (i) the Owner Trustee Fee Rate and (ii) the sum of the aggregate Note
Principal Balance of the Notes and Certificate Principal Balance of the Class
B-2 Certificates as of such date.

                  OWNER TRUSTEE FEE RATE: 0.0017% per annum.


                                       18

<PAGE>



                  PAYING AGENT: Any paying agent or co-paying agent appointed
pursuant to Section 3.03 of the Indenture, which initially shall be the
Indenture Trustee.

                  PAYMENT ACCOUNT: The account established by the Indenture
Trustee pursuant to Section 3.01 of the Indenture and Section 4.03 of the
Servicing Agreement. The Payment Account shall be an Eligible Account.

                  PAYMENT ACCOUNT AVAILABLE FUNDS: With respect to any Payment
Date, the amount held in the Collection Account, other than (i) amounts
representing Monthly Payments due later than the immediately preceding
Collection Period and (ii) amounts received after the immediately preceding
Collection Period.

                  PAYMENT DATE: The 25th day of each month, or if such day is
not a Business Day, then the next Business Day.

                  PERCENTAGE INTEREST: With respect to any Class of Notes, the
percentage obtained by dividing the Note Principal Balance of such Note by the
sum of the aggregate of the Note Principal Balances of all Notes of such Class.
With respect to the Class B-2 Certificates, the percentage obtained by dividing
the Certificate Principal Balance of such Class B-2 Certificate by the sum of
the aggregate of the Certificate Principal Balances of all the Class B-2
Certificates. With respect to any Class X Certificate issued pursuant to the
Trust Agreement, the percentage on the face thereof.

                  PERSON: Any individual, corporation, partnership, joint
venture, association, joint-stock company, trust, unincorporated organization or
government or any agency or political subdivision thereof.

                  POOL BALANCE: With respect to any date, the sum of the
aggregate of the Principal Balances of all Mortgage Loans and the Pre-Funded
Amount as of such date.

                  PREFERRED MORTGAGE LOAN: Any Mortgage Loan originated by
Preferred Credit Corporation, as indicated on the Mortgage Loan Schedule.

                  PRE-FUNDED AMOUNT: With respect to any date of determination,
the amount on deposit in the Pre-Funding Account.

                  PRE-FUNDING ACCOUNT: The account established and maintained
pursuant to Section 2.4 of the Mortgage Loan Purchase Agreement.

                  PREPAYMENT INTEREST SHORTFALL: As to any Payment Date and any
Mortgage Loan (other than a Mortgage Loan relating to an REO Property) that was
the subject of (a) a Principal Prepayment in Full during the related Collection
Period, an amount equal to the excess of interest accrued during the related
Collection Period (less the related Servicing Fee) on the Principal Balance of
such Mortgage Loan over the sum of the amount of interest (adjusted to the Net

                                       19

<PAGE>



Mortgage Rate) paid by the Mortgagor for such Collection Period to the date of
such Principal Prepayment in Full and any Advances made by the Master Servicer
pursuant to Section 4.04 of the Servicing Agreement or (b) a partial Principal
Prepayment during the related Collection Period, an amount equal to interest
accrued during the related Collection Period (less the related Servicing Fee) on
the amount of such partial Principal Prepayment.

                  PRINCIPAL BALANCE: With respect to any Mortgage Loan or
related REO Property, at any given time, (i) the Principal Balance of the
Mortgage Loan as of the Cut-Off Date or Subsequent Cut-Off Date, as applicable,
minus (ii) the sum of (a) the principal portion of the Monthly Payments due with
respect to such Mortgage Loan or REO Property during each Collection Period
ending prior to the most recent Payment Date which were received, (b) all
Principal Prepayments with respect to such Mortgage Loan or REO Property, and
all Liquidation Proceeds and REO Proceeds, to the extent applied by the Master
Servicer as recoveries of principal in accordance with the Servicing Agreement
with respect to such Mortgage Loan or REO Property, and (c) any Realized Loss
with respect thereto for any previous Payment Date; provided, that any Mortgage
Loan that is 180 or more days delinquent shall be treated as if it had a
Principal Balance of $0.00.

                  PRINCIPAL DISTRIBUTION AMOUNT: With respect to any Payment
Date, the sum of (i) the Principal Remittance Amount for such Payment Date,
minus, on any Payment Date occurring on or after the Stepdown Date, the
Overcollateralization Reduction Amount for such Payment Date and (ii) the Extra
Principal Distribution Amount for such Payment Date.

                  PRINCIPAL PREPAYMENT: Any payment of principal or other
recovery on a Mortgage Loan which is received in advance of its scheduled Due
Date and is not accompanied by an amount as to interest representing scheduled
interest on such payment due on any date or dates in any month or months
subsequent to the month of prepayment.

                  PRINCIPAL PREPAYMENT IN FULL: Any Principal Prepayment made by
a Mortgagor of the entire principal balance of a Mortgage Loan.

                  PRINCIPAL REMITTANCE AMOUNT: With respect to any Payment Date,
the sum of the following:

                  (i) the principal portion of each Monthly Payment received
         during the related Collection Period on each Outstanding Mortgage Loan;

                  (ii) the Principal Balance of any Mortgage Loan repurchased
         during the related Collection Period (or deemed to have been so
         repurchased in accordance with the Servicing Agreement) pursuant to the
         Servicing Agreement and the amount of any Substitution Adjustment
         Amounts deposited in the Collection Account in connection with the
         substitution of a Deleted Mortgage Loan pursuant to the Servicing
         Agreement during the related Collection Period; and


                                       20

<PAGE>



                  (iii) the principal portion of all other unscheduled
         collections (including, without limitation, Principal Prepayments in
         Full, Liquidation Proceeds and REO Proceeds) received during the
         related Collection Period (or deemed to have been so received) to the
         extent applied by the Master Servicer as recoveries of principal of the
         related Mortgage Loan pursuant to the Servicing Agreement;

                  (iv) with respect to the Payment Date immediately following
         the end of the Funding Period, any amounts in the related Pre-Funding
         Account after giving effect to any purchase of related Subsequent
         Mortgage Loans;

         MINUS

                  (v) expenses incurred by and reimbursable to Master Servicer
         or the Depositor pursuant to the Servicing Agreement or otherwise, or
         in connection with enforcing any repurchase, substitution or
         indemnification obligation of any Seller (other than an Affiliate of
         the Depositor);

                  (vi) amounts expended by the Master Servicer (a) pursuant to
         the Servicing Agreement in good faith in connection with the
         restoration of property damaged by an Uninsured Cause, and (b) in
         connection with the liquidation of a Mortgage Loan or disposition of an
         REO Property to the extent not otherwise reimbursed to the Master
         Servicer pursuant to the Servicing Agreement; and

                  (vii) if the Notes have been declared due and payable
         following an Event of Default on such Payment Date, any amounts owed to
         the Indenture Trustee by the Issuer pursuant to Section 6.07 of the
         Indenture that have not been paid from the Interest Remittance Amount.

                  PROCEEDING: Any suit in equity, action at law or other
judicial or administrative proceeding.

                  PROSPECTUS: The Prospectus Supplement, dated March 27, 1998,
together with the attached Prospectus, dated March 27, 1998, with respect to the
Notes issued pursuant to the indenture relating thereto.

                  PURCHASE PRICE: The meaning specified in Section 2.2(a) of the
Mortgage Loan Purchase Agreement.

                  PURCHASER: Impac Secured Assets Corp., a California
corporation, and its successors and assigns.

                  RATING AGENCY: Any nationally recognized statistical rating
organization, or its successor, that rated the Notes and the Class B-2
Certificates at the request of the Depositor at the time of the initial issuance
of the Notes and the Class B-2 Certificates. Initially, Moody's or

                                       21

<PAGE>



Fitch. If such organization or a successor is no longer in existence, "Rating
Agency" shall be such nationally recognized statistical rating organization, or
other comparable Person, notice of which designation shall be given to the
Indenture Trustee. References herein to the highest short term unsecured rating
category of a Rating Agency shall mean A-1 or better in the case of Standard &
Poor's and P-1 or better in the case of Moody's and in the case of any other
Rating Agency shall mean such equivalent ratings. References herein to the
highest long-term rating category of a Rating Agency shall mean "AAA" in the
case of Standard & Poor's and "Aaa" in the case of Moody's and in the case of
any other Rating Agency, such equivalent rating.

                  REALIZED LOSS: With respect to each Mortgage Loan (or REO
Property) as to which a Cash Liquidation or REO Disposition has occurred, an
amount (not less than zero) equal to (i) the Principal Balance of the Mortgage
Loan (or REO Property) as of the date of Cash Liquidation or REO Disposition,
plus (ii) interest (and REO Imputed Interest, if any) at the Net Mortgage Rate
from the Due Date as to which interest was last paid or advanced to Noteholders
up to the last day of the month in which the Cash Liquidation (or REO
Disposition) occurred on the Principal Balance of such Mortgage Loan (or REO
Property) outstanding during each Collection Period that such interest was not
paid or advanced, minus (iii) the proceeds, if any, received during the month in
which such Cash Liquidation (or REO Disposition) occurred, to the extent applied
as recoveries of interest at the Net Mortgage Rate and to principal of the
Mortgage Loan, net of the portion thereof reimbursable to the Master Servicer or
any Subservicer with respect to related Advances or expenses as to which the
Master Servicer or Subservicer is entitled to reimbursement thereunder but which
have not been previously reimbursed. With respect to each Mortgage Loan (or REO
Property which is 180 or more days delinquent, an amount equal to the Principal
Balance of such Mortgage Loan (or REO Property) as of such date.

                  RECORD DATE: With respect to the Notes and any Payment Date,
the last day of the calendar month preceding such Payment Date.

                  REGISTERED HOLDER: The Person in whose name a Note is
registered in the Note Register on the applicable Record Date.

                  RELATED DOCUMENTS: With respect to each Mortgage Loan, the
documents specified in Section 2.1(b) of the Mortgage Loan Purchase Agreement
and any documents required to be added to such documents pursuant to the
Mortgage Loan Purchase Agreement, the Trust Agree
ment, Indenture or the Servicing Agreement.

                  RELIEF ACT: The Soldiers' and Sailors' Civil Relief Act of
1940, as amended.

                  RELIEF ACT SHORTFALL: As to any Payment Date and any Mortgage
Loan (other than a Mortgage Loan relating to an REO Property), any shortfalls
relating to the Relief Act or similar legislation or regulations.


                                       22

<PAGE>



                  REO ACQUISITION: The acquisition by the Master Servicer on
behalf of the Indenture Trustee for the benefit of the Noteholders of any REO
Property pursuant to Section 3.13 of the Servicing Agreement.

                  REO DISPOSITION: As to any REO Property, a determination by
the Master Servicer that it has received substantially all Liquidation Proceeds,
REO Proceeds and other payments and recoveries (including proceeds of a final
sale) which the Master Servicer expects to be finally recoverable from the sale
or other disposition of the REO Property.

                  REO IMPUTED INTEREST: As to any REO Property, for any period,
an amount equivalent to interest (at the Net Mortgage Rate that would have been
applicable to the related Mortgage Loan had it been Outstanding) on the unpaid
principal balance of the Mortgage Loan as of the date of acquisition thereof for
such period as such balance is reduced pursuant to Section 3.13 of the Servicing
Agreement by any income from the REO Property treated as a recovery of
principal.

                  REO PROCEEDS: Proceeds, net of expenses, received in respect
of any REO Property (including, without limitation, proceeds from the rental of
the related Mortgaged Property) which proceeds are required to be deposited into
the Collection Account only upon the
related REO Disposition.

                  REO PROPERTY: A Mortgaged Property that is acquired by the
Issuer by foreclosure or by deed in lieu of foreclosure.

                  REPURCHASE EVENT: With respect to any Mortgage Loan, either
(i) a discovery that, as of the Closing Date the related Mortgage was not a
valid lien on the related Mortgaged Property subject only to (A) the lien 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 such other
permissible title exceptions as are permitted 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 related Mortgaged Property or
(ii) with respect to any Mortgage Loan as to which the Seller delivers an
affidavit certifying that the original Mortgage Note has been lost or destroyed,
a subsequent default on such Mortgage Loan if the enforcement thereof or of the
related Mortgage is materially and adversely affected by the absence of such
original Mortgage Note.

                  REPURCHASE PRICE: With respect to any Mortgage Loan required
to be repurchased on any date pursuant to the Mortgage Loan Purchase Agreement
or purchased by the Master Servicer pursuant to the Servicing Agreement, an
amount equal to the sum, without duplication, of (i) 100% of the Principal
Balance thereof (without reduction for any amounts charged off) and (ii) unpaid
accrued interest at the Mortgage Rate on the outstanding principal balance
thereof from the Due Date to which interest was last paid by the Mortgagor to
the first day of the month following the month of purchase plus (iii) the amount
of Advances and any unreimbursed Servicing Advances or unreimbursed Advances or
Nonrecoverable Advances made with respect

                                       23

<PAGE>



to such Mortgage Loan plus (iv) any other amounts owed to the Master Servicer or
the Subservicer pursuant to Section 3.07 of the Servicing Agreement and not
included in clause (iii) of this
definition.

                  REQUIRED OVERCOLLATERALIZATION AMOUNT: With respect to any
Payment Date (i) prior to the Stepdown Date, the greater of (a) 3.00% of the
aggregate Principal Balance of the Mortgage Loans and any amounts on deposit in
the Pre-Funding Account as of the Cut-Off Date and (b) the Net Delinquency
Amount for such Payment Date, and (ii) on or after the Stepdown Date, the
greater of (x) the greater of (a) the Net Delinquency Amount for such Payment
Date and (b) 6.00% of the then current aggregate Principal Balance of the
Mortgage Loans as of the end of the related Collection Period and any amounts on
deposit in the Pre-Funding Account and (y) $1,500,000.

                  RESPONSIBLE OFFICER: With respect to the Indenture Trustee,
any officer of the Indenture Trustee with direct responsibility for the
administration of the Trust Agreement and also, with respect to a particular
matter, any other officer to whom such matter is referred because of such
officer's knowledge of and familiarity with the particular subject.

                  ROLLING DELINQUENCY PERCENTAGE: For any Payment Date, the
average of the Delinquency Percentages for the Mortgage Loans as of the last day
of each of the six (or 1, 2, 3, 4 and 5 in the case of the first five Payment
Dates, as applicable) most recently ended Collection Periods.

                  SECURITIES ACT: The Securities Act of 1933, as amended, and
the rules and regulations promulgated thereunder.

                  SECURITY:  Any of the Certificates or Notes.

                  SECURITYHOLDER or HOLDER: Any Noteholder or a
Certificateholder.

                  SECURITY INSTRUMENT: A written instrument creating a valid
first lien on a Mortgaged Property securing a Mortgage Note, which may be any
applicable form of mortgage, deed of trust, deed to secure debt or security
deed, including any riders or addenda thereto.

                  SELLER: Impac Funding Corporation, a California corporation,
and its successors and assigns.

                  SENIOR PRINCIPAL DISTRIBUTION AMOUNT: With respect to any
Payment Date prior to the Stepdown Date, the amount payable to the Class A Notes
as provided in Section 3.05(c)(i) of the Indenture. With respect to any Payment
Date on or after the Stepdown Date, the amount payable to the Class A Notes as
provided in Section 3.05(d)(i) of the Indenture.

                  SERVICING ADVANCES: All customary, reasonable and necessary
"out of pocket" costs and expenses incurred in connection with a default,
delinquency or other unanticipated event in

                                       24

<PAGE>



the performance by the Master Servicer of its servicing obligations, including,
without duplication, but not limited to, the cost of (i) the preservation,
restoration and protection of a Mortgaged Property, (ii) any enforcement or
judicial proceedings, including foreclosures, (iii) the management and
liquidation of any REO Property and (iv) compliance with the obligations under
Section 3.10 of the Servicing Agreement.

                  SERVICING AGREEMENT: The Servicing Agreement dated as of March
1, 1998, between the Master Servicer and the Issuer.

                  SERVICING CERTIFICATE: A certificate completed and executed by
a Servicing Officer on behalf of the Master Servicer in accordance with Section
4.01 of the Servicing Agreement.

                  SERVICING DEFAULT: The meaning assigned in Section 6.01 of the
Servicing Agreement.

                  SERVICING FEE: With respect to each Mortgage Loan and any
Payment Date the product of (i) the Servicing Fee Rate and (ii) the Principal
Balance of such Mortgage Loans as of such date.

                  SERVICING FEE RATE: With respect to any Mortgage Loan, 0.70%
per annum.

                  SERVICING OFFICER: Any officer of the Master Servicer involved
in, or responsible for, the administration and servicing of the Mortgage Loans
whose name and specimen signature appear on a list of servicing officers
furnished to the Indenture Trustee by the Master Servicer,
as such list may be amended from time to time.

                  SINGLE NOTE: A Note in the amount of $1,000.

                  SIX-MONTH ROLLING DELINQUENCY AVERAGE: With respect to each
Payment Date, the average of the Sixty-Day Delinquency Amounts for each of the
six immediately preceding Collection Periods.

                  SIXTY-DAY DELINQUENCY AMOUNT: With respect to any Collection
Period, an amount equal to the aggregate Principal Balance of the Mortgage Loans
that are sixty or more days delinquent in payment of principal and interest at
the end of the Collection Period.

                  STANDARD & POOR'S: Standard & Poor's Ratings Service, or its
successor in interest.

                  STEPDOWN DATE: The first Payment Date occurring after March
2001 as to which all of the following conditions exist: (x) the aggregate
Principal Balance of the Mortgage Loans has been reduced to 50.00% of aggregate
Principal Balance of the Mortgage Loans as of the Cut- Off Date, (y) the Net
Delinquency Amount is less than 3.50% of the aggregate Principal Balance of the
Mortgage Loans as of the Cut-Off Date and (z) the aggregate Note Principal
Balance of the Class A Notes (after giving effect to distributions of principal
on such Payment Date) will be able

                                       25

<PAGE>



to be reduced on such Payment Date (such determination to be made by the
Indenture Trustee prior to making actual distributions on such Payment Date) to
the excess, if any, of (i) the aggregate outstanding Principal Balance of the
Mortgage Loans as of the preceding Determination Date over (ii) the greater of
(a) the sum of (1) 55.045% of the aggregate Principal Balance of the Mortgage
Loans as of the preceding Determination Date and (2) the greater of (A) 7.00% of
the aggregate Principal Balance of the Mortgage Loans as of the end of the
related Collection Period and (B) the Net Delinquency Amount and (b) $1,500,000.

                  SUBORDINATE SECURITIES: Any one of the Class M Notes or Class
B Securities.

                  SUBSEQUENT CUT-OFF DATE: With respect to those Subsequent
Mortgage Loans which are sold to the Trust pursuant to a Subsequent Transfer
Instrument, the date specified in the related Subsequent Transfer Instrument.

                  SUBSEQUENT MORTGAGE LOAN: A Mortgage Loan sold by the Seller
to the Issuer pursuant to Section 2.3 of the Mortgage Loan Purchase Agreement,
such Mortgage Loan being identified on the Mortgage Loan Schedule attached to a
Subsequent Transfer Instrument, as set forth in such Subsequent Transfer
Instrument.

                  SUBSEQUENT TRANSFER DATE: With respect to each Subsequent
Transfer Instrument, the date on which the related Subsequent Mortgage Loans are
sold to the Trust.

                  SUBSEQUENT TRANSFER INSTRUMENT: Each Subsequent Transfer
Instrument dated as of a Subsequent Transfer Date executed by the Seller and the
Issuer substantially in the form of Exhibit 2 to the Mortgage Loan Purchase
Agreement, by which Subsequent Mortgage Loans are
sold to the Trust.

                  SUBSERVICER: Any Person with whom the Master Servicer has
entered into a Subservicing Agreement as a Subservicer by the Master Servicer
and acceptable to the Indenture Trustee, including the Initial Subservicer.

                  SUBSERVICING ACCOUNT: An Eligible Account established or
maintained by a Sub servicer as provided for in Section 3.06(e) of the Servicing
Agreement.

                  SUBSERVICING AGREEMENT: The written contract between the
Master Servicer and any Subservicer relating to servicing and administration of
certain Mortgage Loans as provided in Section 3.02 of the Servicing Agreement.

                  SUBSTITUTION ADJUSTMENT AMOUNT: With respect to any Eligible
Substitute Mortgage Loan, the amount as defined in Section 2.03 of the Servicing
Agreement.

                  TREASURY REGULATIONS: Regulations, including proposed or
temporary Regulations, promulgated under the Code. References herein to specific
provisions of proposed or temporary

                                       26

<PAGE>


regulations shall include analogous provisions of final Treasury Regulations or
other successor Treasury Regulations.

                  TRUST: The Impac Secured Assets CMN Trust Series 1998-1 to be
created pursuant to the Trust Agreement.

                  TRUST AGREEMENT: The Amended and Restated Trust Agreement
dated as of March 31, 1998 between the Owner Trustee and the Depositor relating
to the Trust.

                  TRUST ESTATE: The meaning specified in the Granting Clause of
the Indenture.

                  TRUST INDENTURE ACT OR TIA: The Trust Indenture Act of 1939,
as amended from time to time, as in effect on any relevant date.

                  UCC: The Uniform Commercial Code, as amended from time to
time, as in effect in any specified jurisdiction.

                  UNINSURED CAUSE: Any cause of damage to property subject to a
Mortgage that the complete restoration of such property is not fully
reimbursable by the hazard insurance policies.

                  UNPAID INTEREST SHORTFALL: With respect to each class of Class
A Notes and Subordinate Securities and each Payment Date, any Interest
Remittance Amount remaining unpaid as to such class of Class A Notes or
Subordinate Securities as a result of the insufficiency of the Interest
Remittance Amount to pay Accrued Note Interest to such Securities pursuant to
the priority of payment provisions of Section 3.05(b) of the Indenture for such
Payment Date, plus any such shortfall for all prior Payment Dates, and plus
interest thereon at the related Note Interest Rate immediately prior to such
Payment Date.

                  WEIGHTED AVERAGE NET MORTGAGE RATE: With respect to the
Mortgage Loans in the aggregate, and any Payment Date, the average of the Net
Mortgage Rate for each Mortgage Loan as of the first day of the preceding
Collection Period weighted on the basis of the related Principal Balances
outstanding as of the first day of the preceding Collection Period for each
Mortgage Loan as determined by the Master Servicer in accordance with the Master
Servicer's normal servicing procedures.

                  WENDOVER: Wendover Funding, Inc., a Delaware corporation or
its successor in interest.

                  WENDOVER SUBSERVICING AGREEMENT: The Subservicing Agreement
dated June 25, 1996, between Wendover and the Indenture Trustee.

                  WOLF & RICHARDS OPINION: The opinion dated March 31, 1998, of
Wolf & Richards, a law corporation, issued with respect to the Preferred
Mortgage Loans.

                                       27




                           IMPAC FUNDING CORPORATION,
                               as Master Servicer,



                                       and


                  IMPAC SECURED ASSETS CMN TRUST SERIES 1998-1,
                                    as Issuer






                             ----------------------

                               SERVICING AGREEMENT

                            Dated as of March 1, 1998

                             ----------------------




                            Fixed-Rate Mortgage Loans

                  Impac Secured Assets CMN Trust Series 1998-1









<PAGE>

<TABLE>
<CAPTION>

                                TABLE OF CONTENTS

                                                                                                               Page
                                                                                                               ----

ARTICLE I

         Definitions

<S>                                                                                                            <C>
         Section 1.01.     DEFINITIONS..........................................................................-1-
         Section 1.02.     OTHER DEFINITIONAL PROVISIONS........................................................-2-
         Section 1.03.     INTEREST CALCULATIONS................................................................-2-

ARTICLE II

         Representations and Warranties

         Section 2.01.     REPRESENTATIONS AND WARRANTIES REGARDING THE MASTER SERVICER.........................-3-
         Section 2.02.     EXISTENCE............................................................................-4-
         Section 2.03.     ENFORCEMENT OF REPRESENTATIONS AND WARRANTIES........................................-4-

ARTICLE III

         Administration and Servicing of Mortgage Loans

         Section 3.01.     MASTER SERVICER TO ASSURE SERVICING..................................................-6-
         Section 3.02.     SUBSERVICING AGREEMENTS BETWEEN MASTER SERVICER AND SUBSERVICERS
                   .............................................................................................-8-
         Section 3.03.     SUCCESSOR SUBSERVICERS...............................................................-9-
         Section 3.04.     LIABILITY OF THE MASTER SERVICER.....................................................-9-
         Section 3.05.     ASSUMPTION OR TERMINATION OF SUBSERVICING AGREEMENTS BY INDENTURE
                  TRUSTEE......................................................................................-10-
         Section 3.06.     COLLECTION OF MORTGAGE LOAN PAYMENTS................................................-10-
         Section 3.07.     WITHDRAWALS FROM THE COLLECTION ACCOUNT.............................................-13-
         Section 3.08.     ACCESS TO CERTAIN DOCUMENTATION AND INFORMATION REGARDING THE MORTGAGE
                  LOANS........................................................................................-14-
         Section 3.09.     MAINTENANCE OF FIDELITY COVERAGE....................................................-15-
         Section 3.10.     DUE-ON-SALE CLAUSES; ASSUMPTION AGREEMENTS..........................................-15-
         Section 3.11.     REALIZATION UPON DEFAULTED MORTGAGE LOANS...........................................-16-
         Section 3.12.     INDENTURE TRUSTEE TO COOPERATE; RELEASE OF MORTGAGE FILES...........................-17-
         Section 3.13.     MASTER SERVICING COMPENSATION.......................................................-19-
         Section 3.14.     ANNUAL STATEMENTS OF COMPLIANCE.....................................................-20-
         Section 3.16.     OPTIONAL PURCHASE OF DEFAULTED MORTGAGE LOANS.......................................-21-
         Section 3.17.     INFORMATION REQUIRED BY THE INTERNAL REVENUE SERVICE GENERALLY AND
                           REPORTS OF FORECLOSURES AND ABANDONMENTS OF MORTGAGED PROPERTY......................-21-

</TABLE>


                                        i

<PAGE>


<TABLE>
<CAPTION>

                                                                                                               Page
                                                                                                               ----

ARTICLE IV

         Servicing Certificate

<S>                                                                                                            <C>
         Section 4.01.     REMITTANCE REPORTS..................................................................-22-
         Section 4.02.     RESERVED............................................................................-22-
         Section 4.03.     PAYMENT ACCOUNT.....................................................................-22-
         Section 4.04.     ADVANCES............................................................................-23-
         Section 4.05.     COMPENSATING INTEREST PAYMENTS......................................................-23-

ARTICLE V

         The Master Servicer

         Section 5.01.     LIABILITY OF THE MASTER SERVICER....................................................-24-
         Section 5.02.     MERGER OR CONSOLIDATION OF, OR ASSUMPTION OF THE OBLIGATIONS OF, THE
                  MASTER SERVICER..............................................................................-24-
         Section 5.03.     LIMITATION ON LIABILITY OF THE MASTER SERVICER AND OTHERS...........................-24-
         Section 5.04.     MASTER SERVICER NOT TO RESIGN.......................................................-25-
         Section 5.05.     DELEGATION OF DUTIES................................................................-25-
         Section 5.06.     MASTER SERVICER TO PAY INDENTURE TRUSTEE'S AND OWNER TRUSTEE'S FEES AND
                  EXPENSES; INDEMNIFICATION....................................................................-26-

ARTICLE VI

         Default

         Section 6.01.     SERVICING DEFAULT...................................................................-28-
         Section 6.02.     INDENTURE TRUSTEE TO ACT; APPOINTMENT OF SUCCESSOR..................................-30-
         Section 6.03.     NOTIFICATION TO NOTEHOLDERS.........................................................-31-
         Section 6.04.     WAIVER OF DEFAULTS..................................................................-31-

ARTICLE VII

         Miscellaneous Provisions

         Section 7.01.     AMENDMENT...........................................................................-32-
         Section 7.02.     GOVERNING LAW.......................................................................-32-
         Section 7.03.     NOTICES.............................................................................-32-
         Section 7.04.     SEVERABILITY OF PROVISIONS..........................................................-33-
         Section 7.05.     THIRD-PARTY BENEFICIARIES...........................................................-33-
         Section 7.06.     COUNTERPARTS........................................................................-33-
         Section 7.07.     EFFECT OF HEADINGS AND TABLE OF CONTENTS............................................-33-

</TABLE>



                                       ii

<PAGE>



<TABLE>
<CAPTION>
                                                                                                               Page
                                                                                                               ----

<S>                                                                                                           <C>
         Section 7.08.     TERMINATION.........................................................................-33-
         Section 7.09.     NO PETITION.........................................................................-33-
         Section 7.10.     NO RECOURSE.........................................................................-33-

ARTICLE VIII

         ADMINISTRATIVE DUTIES OF THE MASTER SERVICER

         Section 8.01.     ADMINISTRATIVE DUTIES...............................................................-34-
         Section 8.02.     RECORDS.............................................................................-35-
         Section 8.03.     ADDITIONAL INFORMATION TO BE FURNISHED..............................................-35-


EXHIBIT A - MORTGAGE LOAN SCHEDULE..............................................................................A-1
EXHIBIT B - FORM OF REQUEST FOR RELEASE.........................................................................B-1
</TABLE>




                                       iii

<PAGE>



                  This Servicing Agreement, dated as of March 1, 1998, between
Impac Funding Corporation, as Master Servicer (the "Master Servicer") and Impac
Secured Assets CMN Trust Series 1998-1, as Issuer (the "Issuer").


                        W I T N E S S E T H   T H A T:
                        ------------------------------

                  WHEREAS, pursuant to the terms of the Mortgage Loan Purchase
Agreement, Impac Secured Assets Corp. (the "Company") will acquire the Mortgage
Loans;

                  WHEREAS, the Company will create Impac Secured Assets CMN
Trust Series 1998-1, a Delaware business trust, and will transfer the Mortgage
Loans and all of its rights under the Mortgage Loan Purchase Agreement to the
Issuer;

                  WHEREAS, pursuant to the terms of a Trust Agreement dated as
of March 1, 1998 (the "Trust Agreement") between the Company, as depositor, and
Wilmington Trust Company, as owner trustee (the "Owner Trustee"), the Company
will convey the Mortgage Loans to the Issuer in exchange for the Certificates
(as defined below);

                  WHEREAS, pursuant to the terms of the Trust Agreement between
the Depositor and the Owner Trustee, the Issuer will issue and transfer to or at
the direction of the Depositor, the Trust Certificates, Series 1998-1 (the
"Certificates");

                  WHEREAS, pursuant to the terms of an Indenture dated as of
March 1, 1998 (the "Indenture") between the Issuer and Bankers Trust Company of
California, N.A. (the "Indenture Trustee"), the Issuer will pledge the Mortgage
Loans and issue and transfer to or at the direction of the Purchaser the
Collateralized Asset-Backed Notes, Series 1998-1 (the "Notes"); and

                  WHEREAS, pursuant to the terms of this Servicing Agreement,
the Master Servicer will service the Mortgage Loans set forth on the Mortgage
Loan Schedule attached hereto as Exhibit A directly or through one or more
Subservicers;

                  NOW, THEREFORE, in consideration of the mutual covenants
herein contained, the parties hereto agree as follows:

                                    ARTICLE I

                                   Definitions

         Section 1.01. DEFINITIONS. For all purposes of this Servicing
Agreement, except as otherwise expressly provided herein or unless the context
otherwise requires, capitalized terms not otherwise defined herein shall have
the meanings assigned to such terms in the Definitions contained in Appendix A
to the Indenture which is incorporated by reference herein. All other
capitalized terms used herein shall have the meanings specified herein.




<PAGE>



         Section 1.02.     OTHER DEFINITIONAL PROVISIONS.  (a)  All terms
defined in this Servicing Agreement shall have the defined meanings when used in
any certificate or other document made or delivered pursuant hereto unless
otherwise defined therein.

         (b) As used in this Servicing Agreement and in any certificate or other
document made or delivered pursuant hereto or thereto, accounting terms not
defined in this Servicing Agreement or in any such certificate or other
document, and accounting terms partly defined in this Servicing Agreement or in
any such certificate or other document, to the extent not defined, shall have
the respective meanings given to them under generally accepted accounting
principles. To the extent that the definitions of accounting terms in this
Servicing Agreement or in any such certificate or other document are
inconsistent with the meanings of such terms under generally accepted accounting
principles, the definitions contained in this Servicing Agreement or in any such
certificate or other document shall control.

         (c) The words "hereof," "herein," "hereunder" and words of similar
import when used in this Servicing Agreement shall refer to this Servicing
Agreement as a whole and not to any particular provision of this Servicing
Agreement; Section and Exhibit references contained in this Servicing Agreement
are references to Sections and Exhibits in or to this Servicing Agreement unless
otherwise specified; and the term "including" shall mean "including without
limitation".

         (d) The definitions contained in this Servicing Agreement are
applicable to the singular as well as the plural forms of such terms and to the
masculine as well as the feminine and neuter genders of such terms.

         (e) Any agreement, instrument or statute defined or referred to herein
or in any instrument or certificate delivered in connection herewith means such
agreement, instrument or statute as from time to time amended, modified or
supplemented and includes (in the case of agreements or instruments) references
to all attachments thereto and instruments incorporated therein; references to a
Person are also to its permitted successors and assigns.

         Section 1.03. INTEREST CALCULATIONS. All calculations of interest
hereunder that are made in respect of the Principal Balance of a Mortgage Loan
shall be made on the basis of a 360-day year consisting of twelve 30-day months,
notwithstanding the terms of the related Mortgage Note and Mortgage. The
calculation of the Servicing Fee shall be made on the basis of a 360-day year
consisting of twelve 30-day months.


                                       -2-

<PAGE>



                                   ARTICLE II

                         Representations and Warranties

         Section 2.01. REPRESENTATIONS AND WARRANTIES REGARDING THE MASTER
SERVICER. The Master Servicer represents and warrants to the Issuer and for the
benefit of the Indenture Trustee, as pledgee of the Mortgage Loans and the
Noteholders, as of the Closing Date, that:

                         (i) The Master Servicer is a corporation duly
         organized, validly existing and in good standing under the laws of the
         State of California and has the corporate power to own its assets and
         to transact the business in which it is currently engaged. The Master
         Servicer is duly qualified to do business as a foreign corporation and
         is in good standing in each jurisdiction in which the character of the
         business transacted by it or properties owned or leased by it requires
         such qualification and in which the failure to so qualify would have a
         material adverse effect on the business, properties, assets, or
         condition (financial or other) of the Master Servicer or the validity
         or enforceability of the Mortgage Loans;

                        (ii) The Master Servicer has the power and authority to
         make, execute, deliver and perform this Servicing Agreement and all of
         the transactions contemplated under this Servicing Agreement, and has
         taken all necessary corporate action to authorize the execution,
         delivery and performance of this Servicing Agreement. When executed and
         delivered, this Servicing Agreement will constitute the legal, valid
         and binding obligation of the Master Servicer enforceable in accordance
         with its terms, except as enforcement of such terms may be limited by
         bankruptcy, insolvency or similar laws affecting the enforcement of
         creditors' rights generally and by the availability of equitable
         remedies;

                       (iii) The Master Servicer is not required to obtain the
         consent of any other Person or any consent, license, approval or
         authorization from, or registration or declaration with, any
         governmental authority, bureau or agency in connection with the
         execution, delivery, performance, validity or enforceability of this
         Servicing Agreement, except for such consent, license, approval or
         authorization, or registration or declaration, as shall have been
         obtained or filed, as the case may be;

                        (iv) The execution and delivery of this Servicing
         Agreement and the performance of the transactions contemplated hereby
         by the Master Servicer will not violate any provision of any existing
         law or regulation or any order or decree of any court applicable to the
         Master Servicer or any provision of the certificate of incorporation or
         bylaws of the Master Servicer, or constitute a material breach of any
         mortgage, indenture, contract or other agreement to which the Master
         Servicer is a party or by which the Master Servicer may be bound; and

                         (v) No litigation or administrative proceeding of or
         before any court, tribunal or governmental body is currently pending,
         or to the knowledge of the Master Servicer threatened, against the
         Master Servicer or any of its properties or with respect to


                                       -3-

<PAGE>



         this Servicing Agreement or the Notes or the Certificates which, to the
         knowledge of the Master Servicer, has a reasonable likelihood of
         resulting in a material adverse effect on the transactions contemplated
         by this Servicing Agreement.

         The foregoing representations and warranties shall survive any
termination of the Master Servicer hereunder.

         Section 2.02. EXISTENCE. The Issuer will keep in full effect its
existence, rights and franchises as a business trust under the laws of the State
of Delaware (unless it becomes, or any successor Issuer hereunder is or becomes,
organized under the laws of any other state or of the United States of America,
in which case the Issuer will keep in full effect its existence, rights and
franchises under the laws of such other jurisdiction) and will obtain and
preserve its qualification to do business in each jurisdiction in which such
qualification is or shall be necessary to protect the validity and
enforceability of this Servicing Agreement.

         Section 2.03. ENFORCEMENT OF REPRESENTATIONS AND WARRANTIES. The Master
Servicer, on behalf of and subject to the direction of the Indenture Trustee, as
pledgee of the Mortgage Loans, shall enforce the representations and warranties
and related obligations for breaches thereof of the Seller pursuant to the
Mortgage Loan Purchase Agreement. Upon the discovery by the Seller, the Master
Servicer, the Indenture Trustee or the Company of a breach of any of the
representations and warranties made in the Mortgage Loan Purchase Agreement, in
respect of any Mortgage Loan which materially and adversely affects the
interests of the Noteholders or the Certificateholders, the party discovering
such breach shall give prompt written notice to the other parties. The Master
Servicer shall promptly notify the Seller of such breach and request that,
pursuant to the terms of the Mortgage Loan Purchase Agreement, the Seller either
(i) cure such breach in all material respects or (ii) purchase such Mortgage
Loan, in each instance in accordance with the Mortgage Loan Purchase Agreement;
PROVIDED that the Seller shall, subject to the conditions set forth in the
Mortgage Loan Purchase Agreement, have the option to substitute an Eligible
Substitute Mortgage Loan or Eligible Substitute Mortgage Loans for such Mortgage
Loan. Monthly Payments due with respect to Eligible Substitute Mortgage Loans in
the month of substitution shall not be part of the Trust Estate and will be
retained by the Master Servicer and remitted by the Master Servicer to the
Seller on the next succeeding Payment Date. For the month of substitution,
distributions to the Payment Account pursuant to the Servicing Agreement will
include the Monthly Payment due on a Deleted Mortgage Loan for such month and
thereafter the Seller shall be entitled to retain all amounts received in
respect of such Deleted Mortgage Loan. The Master Servicer shall amend or cause
to be amended the Mortgage Loan Schedule to reflect the removal of such Mortgage
Loan and the substitution of the Eligible Substitute Mortgage Loans and the
Master Servicer shall promptly deliver the amended Mortgage Loan Schedule to the
related Subservicer, Owner Trustee and Indenture Trustee.

         In connection with the substitution of one or more Eligible Substitute
Mortgage Loans for one or more Deleted Mortgage Loans, the Master Servicer will
determine the amount (such amount, a "Substitution Adjustment Amount"), if any,
by which the aggregate principal balance of all such Eligible Substitute
Mortgage Loans as of the date of substitution is less than the aggregate
principal balance of all such Deleted Mortgage Loans (after application of the
principal


                                       -4-

<PAGE>



portion of the Monthly Payments due in the month of substitution that are to be
distributed to the Payment Account in the month of substitution). The Seller
shall pay the Substitution Adjustment Amount to the Master Servicer and the
Master Servicer shall deposit such Substitution Adjustment Amount into the
Collection Account upon receipt.


                                       -5-

<PAGE>



                                   ARTICLE III

                 Administration and Servicing of Mortgage Loans

         Section 3.01. MASTER SERVICER TO ASSURE SERVICING. (a) The Master
Servicer shall supervise, or take such actions as are necessary to ensure, the
servicing and administration of the Mortgage Loans and any REO Property in
accordance with this Servicing Agreement and its normal servicing practices,
which generally shall conform to the standards of an institution prudently
servicing mortgage loans for its own account and shall have full authority to do
anything it reasonably deems appropriate or desirable in connection with such
servicing and administration. The Master Servicer may perform its
responsibilities relating to servicing through other agents or independent
contractors, but shall not thereby be released from any of its responsibilities
as hereinafter set forth. The authority of the Master Servicer, in its capacity
as master servicer, and any Subservicer acting on its behalf, shall include,
without limitation, the power to (i) consult with and advise any Subservicer
regarding administration of a related Mortgage Loan, (ii) approve any
recommendation by a Subservicer to foreclose on a related Mortgage Loan, (iii)
supervise the filing and collection of insurance claims and take or cause to be
taken such actions on behalf of the insured Person thereunder as shall be
reasonably necessary to prevent the denial of coverage thereunder, and (iv)
effectuate foreclosure or other conversion of the ownership of the Mortgaged
Property securing a related Mortgage Loan, including the employment of
attorneys, the institution of legal proceedings, the collection of deficiency
judgments, the acceptance of compromise proposals, and any other matter
pertaining to a delinquent Mortgage Loan. The authority of the Master Servicer,
an any Subservicer acting on its behalf, shall include, in addition, the power
on behalf of the Noteholders, the Indenture Trustee, or any of them to (i)
execute and deliver customary consents or waivers and other instruments and
documents, (ii) consent to transfer of any related Mortgaged Property and
assumptions of the related Mortgage Notes and Security Instruments (in the
manner provided in this Servicing Agreement) and (iii) collect any Liquidation
Proceeds. Without limiting the generality of the foregoing, the Master Servicer
and any Subservicer acting on its behalf may, and is hereby authorized, and
empowered by the Indenture Trustee to, execute and deliver, on behalf of itself,
the Noteholders, the Indenture Trustee or any of them, any instruments of
satisfaction, cancellation, release, discharge and all other comparable
instruments, with respect to the related Mortgage Loans, the Insurance Policies
and the accounts related thereto, and the Mortgaged Properties. The Master
Servicer may exercise this power in its own name or in the name of a
Subservicer.

                  If the Mortgage relating to a Mortgage Loan did not have a
lien senior to the Mortgage Loan on the related Mortgaged Property as of the
Cut-off Date or Subsequent Cut-off Date, as applicable, then the Master
Servicer, in such capacity, may not consent to the placing of a lien senior to
that of the Mortgage on the related Mortgaged Property. If the Mortgage relating
to a Mortgage Loan had a lien senior to the Mortgage Loan on the related
Mortgaged Property as of the Cut-off Date or Subsequent Cut-off Date, as
applicable, then the Master Servicer, in such capacity, may consent to the
refinancing of the prior senior lien, provided that the following requirements
are met:



                                       -6-

<PAGE>



         (i) the resulting Combined Loan-to-Value Ratio of such Mortgage Loan is
no higher than the Combined Loan-to-Value Ratio prior to such refinancing;
PROVIDED, HOWEVER, if such refinanced mortgage loan is a "rate and term"
mortgage loan (meaning, the borrower does not receive any cash from the
refinancing), the Combined Loan-to-Value Ratio may increase to the extent of
either (a) the reasonable closing costs of such refinancing or (b) any decrease
in the value of the related Mortgaged Property, if the borrower is in good
standing;

         (ii) the interest rate for the loan evidencing the refinanced senior
lien is no higher than the interest rate on the loan evidencing the existing
senior lien immediately prior to the date of such refinancing; PROVIDED, HOWEVER
if the loan evidencing the existing senior lien prior to the date of refinancing
has an adjustable rate and the loan evidencing the refinanced senior lien has a
fixed rate, then the loan evidencing the refinanced senior lien may be up to
2.0% higher than the then-current mortgage rate of the loan evidencing the
existing senior lien; and

         (iii) the loan evidencing the refinanced senior lien is not subject to
negative amortization.

         (b) The Master Servicer or the related Subservicer, as the case may be,
shall be entitled to (A) execute assumption agreements, substitution agreements,
and instruments of satisfaction or cancellation or of full release or discharge,
or any other document contemplated by this Servicing Agreement and other
comparable instruments with respect to the Mortgage Loans and with respect to
the Mortgaged Properties subject to the Mortgages (and the Issuer and the
Indenture Trustee each shall promptly execute any such documents on request of
the Master Servicer) and (B) approve the granting of an easement thereon in
favor of another Person, any alteration or demolition of the related Mortgaged
Property or other similar matters, 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 the security for, and the timely and full
collectability of, such Mortgage Loan would not be adversely affected thereby.
An assumption pursuant to this Section 3.01 is permitted solely if the
creditworthiness of the prospective purchaser of a Mortgaged Property meets the
same or better underwriting guidelines of the original borrower and the security
for such Mortgage Loan is not impaired by the assumption. Any fee collected by
the Master Servicer or the related Subservicer for processing such request will
be retained by the Master Servicer or such Subservicer as additional servicing
compensation.

         (c) Certain of the Mortgage Notes related to the Mortgage Loans contain
a rider allowing the related Mortgagor to transfer the lien on the related
Mortgage Property to another, new Mortgaged Property. In the event that a
Mortgagor requests such a transfer, the Master Servicer shall allow such
transfer only if the following requirements are met: (i) the Combined
Loan-to-Value Ratio of the Mortgage Loan after such transfer must be less than
or equal to the original Combined Loan-to-Value Ratio, (ii) the Loan-to-Value
Ratio of the first lien on the new Mortgaged Property must be less than or equal
to the Loan-to-Value Ratio of the first lien on the prior Mortgage Property at
the time the related Mortgage Loan was originated, (iii) both the original and
the new Mortgaged Property must be a single-family owner occupied property and
(iv) following such transfer, the aggregate Principal Balance of Mortgage Loans
included in the Trust Fund which have been similarly transferred is equal to 5%
or less of the aggregate Principal Balance of the Mortgage Loans at such time.


                                       -7-

<PAGE>



         Furthermore, any such transfer is subject to the additional condition
that following such transfer not more than 40% of the aggregate Principal
Balance of the Mortgage Loans will be: (i) obligations secured by real estate
the fair market value of which equaled at least eighty percent (80%) of the
adjusted issue price of such obligation at the time of origination; or (ii)
obligations substantially all of the proceeds of which were used to acquire,
improve or protect an interest in real property that, at the origination date,
was the only security for such obligation. For purposes of applying these
criteria: "substantially all of the proceeds" shall mean at least sixty-six and
two-thirds percent (66 2/3%) of such proceeds; and the fair market value of real
estate shall first be reduced by the amount of any lien senior to the lien
securing a Mortgage Loan (or reduced proportionately by the amount of any lien
in parity with such lien).

         (d) Notwithstanding the provisions of Subsections 3.01(a) and 3.01(b),
the Master Servicer shall not take any action inconsistent with the interests of
the Indenture Trustee or the Noteholders or with the rights and interests of the
Indenture Trustee or the Noteholders under this
Servicing Agreement.

         (e) The Indenture Trustee shall furnish the Master Servicer with any
powers of attorney and other documents in form as provided to it necessary or
appropriate to enable the Master Servicer to service and administer the related
Mortgage Loans and REO Property.

         Section 3.02. SUBSERVICING AGREEMENTS BETWEEN MASTER SERVICER AND
SUBSERVICERS. (a) The Master Servicer may enter into Subservicing Agreements
with Subservicers for the servicing and administration of the Mortgage Loans and
for the performance of any and all other activities of the Master Servicer
hereunder. Each Subservicer shall be either (i) an institution the accounts of
which are insured by the FDIC or (ii) another entity that engages in the
business of originating or servicing mortgage loans comparable to the Mortgage
Loans, and in either case shall be authorized to transact business in the state
or states in which the related Mortgaged Properties it is to service are
situated, if and to the extent required by applicable law to enable the
Subservicer to perform its obligations hereunder and under the Subservicing
Agreement, and in either case shall be a FHLMC or FNMA approved mortgage
servicer. Any Subservicing Agreement entered into by the Master Servicer shall
include the provision that such Agreement may be immediately terminated (x) with
cause and without any termination fee by any Master Servicer hereunder or (y)
without cause in which case the Master Servicer (and not the Indenture Trustee
as successor Master Servicer) shall be responsible for any termination fee or
penalty resulting therefrom. In addition, each Subservicing Agreement shall
provide for servicing of the Mortgage Loans consistent with the terms of this
Servicing Agreement. With the consent of the Indenture Trustee, which consent
shall not be unreasonably withheld, the Master Servicer and the Subservicers may
enter into Subservicing Agreements and make amendments to the Subservicing
Agreements or enter into different forms of Subservicing Agreements providing
for, among other things, the delegation by the Master Servicer to a Subservicer
of additional duties regarding the administration of the Mortgage Loans.

         The Master Servicer has entered into Subservicing Agreements with the
Initial Subservicers for the servicing and administration of the Mortgage Loans
and may enter into additional Subservicing Agreements with Subservicers with the
consent of the Indenture Trustee, which


                                       -8-

<PAGE>



consent shall not be unreasonably withheld, for the servicing and administration
of certain of the Mortgage Loans.

         (b) As part of its servicing activities hereunder, the Master Servicer,
for the benefit of the Indenture Trustee and the Noteholders, shall enforce the
obligations of each Subservicer under the related Subservicing Agreement. Such
enforcement, including, without limitation, the legal prosecution of claims,
termination of Subservicing Agreements and the pursuit of other appropriate
remedies, shall be in such form and carried out to such an extent and at such
time as the Master Servicer, in its good faith business judgment, would require
were it the owner of the related Mortgage Loans. The Master Servicer shall pay
the costs of such enforcement at its own expense, but shall be reimbursed
therefor only (i) from a general recovery resulting from such enforcement only
to the extent, if any, that such recovery exceeds all amounts due in respect of
the related Mortgage Loan or (ii) from a specific recovery of costs, expenses or
attorneys' fees against the party against whom such enforcement is directed.

         Section 3.03. SUCCESSOR SUBSERVICERS. The Master Servicer shall be
entitled to terminate any Subservicing Agreement that may exist in accordance
with the terms and conditions of such Subservicing Agreement and without any
limitation by virtue of this Servicing Agreement; PROVIDED, HOWEVER, that upon
termination, the Master Servicer shall either act as servicer of the related
Mortgage Loan or enter into an appropriate contract with a successor Subservicer
acceptable to the Indenture Trustee pursuant to which such successor Subservicer
will be bound by all relevant terms of the related Subservicing Agreement
pertaining to the servicing of such Mortgage Loan.

         Section 3.04. LIABILITY OF THE MASTER SERVICER. (a) Notwithstanding any
Subservicing Agreement, any of the provisions of this Servicing Agreement
relating to agreements or arrangements between the Master Servicer and a
Subservicer or reference to actions taken through a Subservicer or otherwise,
the Master Servicer shall under all circumstances remain obligated and primarily
liable to the Indenture Trustee and the Noteholders for the servicing and
administering of the Mortgage Loans and any REO Property in accordance with this
Servicing Agreement. The obligations and liability of the Master Servicer shall
not be diminished by virtue of Subservicing Agreements or by virtue of
indemnification of the Master Servicer by any Subservicer, or any other Person.
The obligations and liability of the Master Servicer shall remain of the same
nature and under the same terms and conditions as if the Master Servicer alone
were servicing and administering the related Mortgage Loans. The Master Servicer
shall, however, be entitled to enter into indemnification agreements with any
Subservicer or other Person and nothing in this Servicing Agreement shall be
deemed to limit or modify such indemnification. For the purposes of this
Servicing Agreement, the Master Servicer shall be deemed to have received any
payment on a Mortgage Loan on the date the Subservicer received such payment;
PROVIDED, HOWEVER, that this sentence shall not apply to the Indenture Trustee
acting as the Master Servicer; PROVIDED, FURTHER, however, that the foregoing
provision shall not affect the obligation of the Master Servicer if it is also
the Indenture Trustee to advance amounts which are not Nonrecoverable Advances.

         (b) Any Subservicing Agreement that may be entered into and any
transactions or services relating to the Mortgage Loans involving a Subservicer
in its capacity as such and not as


                                       -9-

<PAGE>



an originator shall be deemed to be between the Subservicer and the Master
Servicer alone, and the Indenture Trustee and the Noteholders shall not be
deemed parties thereto and shall have no claims, rights, obligations, duties or
liabilities with respect to the Subservicer except as set forth in Section 3.05.

         Section 3.05. ASSUMPTION OR TERMINATION OF SUBSERVICING AGREEMENTS BY
INDENTURE TRUSTEE. (a) If the Indenture Trustee or its designee shall assume the
master servicing obligations of the Master Servicer in accordance with Section
6.02 below, the Indenture Trustee, to the extent necessary to permit the
Indenture Trustee to carry out the provisions of Section 6.02 with respect to
the Mortgage Loans, shall succeed to all of the rights and obligations of the
Master Servicer under each of the Subservicing Agreements; provided, that the
Indenture Trustee shall succeed to the obligation to pay a termination fee
solely with respect to the Wendover Subservicing Agreement. In such event, the
Indenture Trustee or its designee as the successor master servicer shall be
deemed to have assumed all of the Master Servicer's rights and obligations
therein and to have replaced the Master Servicer as a party to such Subservicing
Agreements to the same extent as if such Subservicing Agreements had been
assigned to the Indenture Trustee or its designee as a successor master
servicer, except that the Indenture Trustee or its designee as a successor
master servicer shall not be deemed to have assumed any obligations or
liabilities of the Master Servicer arising prior to such assumption (other than
the obligation to make any Advances) and the Master Servicer shall not thereby
be relieved of any liability or obligations under such Subservicing Agreements
arising prior to such assumption. Nothing in the foregoing shall be deemed to
entitle the Indenture Trustee or its designee as a successor master servicer at
any time to receive any portion of the servicing compensation provided under
Section 3.13 except for such portion as the Master Servicer would be entitled to
receive.

         (b) In the event that the Indenture Trustee or its designee as
successor master servicer for the Indenture Trustee assumes the servicing
obligations of the Master Servicer under Section 6.02, upon the reasonable
request of the Indenture Trustee or such designee as successor master servicer
the Master Servicer shall at its own expense deliver to the Indenture Trustee,
or at its written request to such designee, photocopies of all documents, files
and records, electronic or otherwise, relating to the Subservicing Agreements
and the related Mortgage Loans or REO Property then being serviced and an
accounting of amounts collected and held by it, if any, and will otherwise
cooperate and use its reasonable efforts to effect the orderly and efficient
transfer of the Subservicing Agreements, or responsibilities hereunder to the
Indenture Trustee, or at its written request to such designee as successor
master servicer.

         Section 3.06.     COLLECTION OF MORTGAGE LOAN PAYMENTS.  (a) The Master
Servicer will coordinate and monitor remittances by Subservicers to it or its
designee, which shall be designated in writing to each Subservicer, with respect
to the Mortgage Loans in accordance with this Servicing Agreement.

         (b) The Master Servicer shall make its best reasonable efforts to
collect or cause to be collected all payments required under the terms and
provisions of the Mortgage Loans and shall follow, and use its best reasonable
efforts to cause Subservicers to follow, collection procedures comparable to the
collection procedures of prudent mortgage lenders servicing mortgage loans for


                                      -10-

<PAGE>



their own account to the extent such procedures shall be consistent with this
Servicing Agreement. Consistent with the foregoing, the Master Servicer or the
related Subservicer may in its discretion (i) waive or permit to be waived any
late payment charge, assumption fee, or any penalty interest in connection with
the prepayment of a Mortgage Loan and (ii) suspend or reduce or permit to be
suspended or reduced regular monthly payments for a period of up to six months,
or arrange or permit an arrangement with a Mortgagor for a scheduled liquidation
of delinquencies; provided, however, that the Master Servicer or the related
Subservicer may permit the foregoing only if it believes, in good faith, that
recoveries of Monthly Payments will be maximized; provided further, however,
that Monthly Payments may not be suspended during the twelve months prior to the
final maturity of the Notes. In the event the Master Servicer or related
Subservicer shall consent to the deferment of the due dates for payments due on
a Mortgage Note, the Master Servicer shall nonetheless make an Advance or shall
cause the related Subservicer to make an advance to the same extent as if such
installment were due, owing and delinquent and had not been deferred through
liquidation of the Mortgaged Property; PROVIDED, HOWEVER, that the obligation of
the Master Servicer or the related Subservicer to make an Advance shall apply
only to the extent that the Master Servicer believes, in good faith, that such
advances are not Nonrecoverable Advances.

         (c) Promptly, but no later than twenty Business Days after the Master
Servicer has determined that all amounts which it expects to recover from or on
account of a Mortgage Loan have been recovered and that no further Liquidation
Proceeds will be received in connection therewith, the Master Servicer shall
provide to the Indenture Trustee a certificate of a Servicing Officer that such
Mortgage Loan became a Liquidated Mortgage Loan as of the date of such
determination.

         (d) The Master Servicer shall establish a segregated account in the
name of the Indenture Trustee (the "Collection Account"), which shall be an
Eligible Account, in which the Master Servicer shall deposit or cause to be
deposited any amounts representing payments on and any collections in respect of
the Initial Mortgage Loans received by it subsequent to the Cut-off Date and
interest due after the Cut-off Date but received prior to the Cut-off Date or,
with respect to the Subsequent Mortgage Loans, the Subsequent Cut-off Date
(other than in respect of the payments referred to in the following paragraph)
within two Business Days following receipt thereof (or otherwise on or prior to
the Closing Date), including the following payments and collections received or
made by it (without duplication):

                         (i) all payments of principal and interest on the
         Mortgage Loans received by the Master Servicer directly from Mortgagors
         or from the respective Subservicer, net of any portion of the interest
         thereof retained by the Subservicer as Subservicing Fees;

                        (ii) the aggregate Repurchase Price of the Mortgage
         Loans purchased by the Master Servicer pursuant to Section 3.16;

                       (iii) Net Liquidation Proceeds;



                                      -11-

<PAGE>



                        (iv) all proceeds of any Mortgage Loans repurchased by
         the Seller pursuant to the Mortgage Loan Purchase Agreement, and all
         Substitution Adjustment Amounts required to be deposited in connection
         with the substitution of an Eligible Substitute Mortgage Loan pursuant
         to the Mortgage Loan Purchase Agreement; and

                         (v) any other amounts received by the Master Servicer,
         including any fees or penalties not retained by a Subservicer, or the
         Indenture Trustee required to be deposited in the Collection Account
         pursuant to this Servicing Agreement.

PROVIDED, HOWEVER, that with respect to each Collection Period, the Master
Servicer shall be permitted to retain from payments in respect of interest on
the Mortgage Loans, the Servicing Fee for such Collection Period. The foregoing
requirements respecting deposits to the Collection Account are exclusive, it
being understood that, without limiting the generality of the foregoing, the
Master Servicer need not deposit in the Collection Account fees (including
annual fees or assumption fees) or late charge and prepayment penalties, payable
by Mortgagors, each as further described in Section 3.13. In the event any
amount not required to be deposited in the Collection Account is so deposited,
the Master Servicer may at any time (prior to being terminated under this
Agreement) withdraw such amount from the Collection Account, any provision
herein to the contrary notwithstanding. The Master Servicer shall keep records
that accurately reflect the funds on deposit in the Collection Account that have
been identified by it as being attributable to the Mortgage Loans and shall hold
all collections in the Collection Account for the benefit of the Owner Trustee,
the Indenture Trustee, the Noteholders, as their interests may appear. The
Master Servicer shall retain all Foreclosure Profits.

         Funds in the Collection Account shall not be commingled with the Master
Servicer's own funds or general assets or with funds respecting payments on
mortgage loans or with any other funds not related to the Notes. Funds in the
Collection Account shall be invested solely in Eligible Investments, designated
in the name of the Indenture Trustee, which shall mature not later than the
Business Day next preceding the third Business Day prior to each Payment Date
next following the date of such investment and shall not be sold or disposed of
prior to maturity. All income and gain realized from any such investment shall
be for the benefit of the Master Servicer. The amount of any losses incurred
with respect to any such investments shall be deposited in the Collection
Account by the Master Servicer.

         (e) The Master Servicer will require each Subservicer to hold all funds
constituting collections on the Mortgage Loans, pending remittance thereof to
the Master Servicer or its designee, which shall be designated in writing to
each Subservicer, in one or more accounts meeting the requirements of an
Eligible Account, invested in Eligible Investments, and in the name of the
Indenture Trustee. The Subservicer shall segregate and hold all funds collected
and received pursuant to each Mortgage Loan separate and apart from any of its
own funds and general assets and any other funds. Each Subservicer shall make
remittances to the Master Servicer no later than the eighteenth (18th) day of
each month, commencing on the eighteenth (18th) day of the month next following
the Cut-off Date, or if such eighteenth (18th) day is not a Business Day, the
first Business Day immediately succeeding such eighteenth (18th) day.



                                      -12-

<PAGE>



         Section 3.07.     WITHDRAWALS FROM THE COLLECTION ACCOUNT.  (a) The
Master Servicer shall, from time to time as provided herein, make withdrawals
from the Collection Account of amounts on deposit therein pursuant to Section
3.06 that are attributable to the Mortgage Loans for the following purposes
(without duplication):

                         (i) to deposit in the Payment Account, by the third
         Business Day prior to each Payment Date, the Payment Account Available
         Funds for such Payment Date;

                        (ii) to the extent deposited to the Collection Account,
         to reimburse itself or the related Subservicer for previously
         unreimbursed Liquidation Expenses, paid pursuant to Section 3.13 or
         otherwise reimbursable pursuant to the terms of this Servicing
         Agreement, such withdrawal right being limited to amounts received on
         particular Mortgage Loans (other than any Repurchase Price in respect
         thereof) which represent late recoveries of the payments for which such
         advances were made, or from related Liquidation Proceeds;

                       (iii) to pay to itself out of each payment received on
         account of interest on a Mortgage Loan as contemplated by Section 3.13,
         an amount equal to the related Master Servicing Fee (to the extent not
         retained pursuant to Section 3.06), and to pay to any Subservicer any
         Subservicing Fees not previously withheld by the Subservicer;

                        (iv) to pay to itself or the Seller, with respect to any
         Mortgage Loan or property acquired in respect thereof that has been
         purchased or otherwise transferred to the Seller, the Master Servicer
         or other entity, all amounts received thereon and not required to be
         distributed to Noteholders as of the date on which the related Purchase
         Price or Repurchase Price is determined;

                         (v) to reimburse the Master Servicer or any Subservicer
         for any Advance of its own funds or any advance of such Subservicer's
         own funds, the right of the Master Servicer or a Subservicer to
         reimbursement pursuant to this subclause (v) being limited to amounts
         received on a particular Mortgage Loan (including, for this purpose,
         the Repurchase Price therefor, Liquidation Proceeds) which represent
         late payments or recoveries of the principal of or interest on such
         Mortgage Loan respecting which such Advance or advance was made;

                        (vi) to pay the Master Servicer or any Subservicer
         (payment to any Subservicer to be subject to prior payment to the
         Master Servicer of an amount equal to the Master Servicing Fee), as
         appropriate, from Liquidation Proceeds received in connection with the
         liquidation of any Mortgage Loan, the amount which it or such
         Subservicer would have been entitled to receive under subclause (x) of
         this Subsection 3.07(a) as servicing compensation on account of each
         defaulted scheduled payment on such Mortgage Loan if paid in a timely
         manner by the related Mortgagor, but only to the extent that the
         aggregate of Liquidation Proceeds with respect to such Mortgage Loan,
         after any reimbursement to the Master Servicer or any Subservicer,
         pursuant to other subclauses of this Subsection 3.07(a), exceeds the
         outstanding Principal Balance of such Mortgage Loan


                                      -13-

<PAGE>



         plus accrued and unpaid interest thereon at the related Mortgage Rate
         less the Servicing Fee to but not including the date of payment (in any
         event, the amount of servicing compensation received by a Subservicer
         and the Master Servicer with respect to any defaulted scheduled payment
         shall not exceed the applicable Servicing Fee);

                       (vii) to reimburse the Master Servicer or any Subservicer
         for advances of funds pursuant to Article III, the right to
         reimbursement pursuant to this subclause being limited to amounts
         received on the related Mortgage Loan (including, for this purpose, the
         Repurchase Price therefor, Liquidation Proceeds) which represent late
         recoveries of the payments for which such advances were made;

                      (viii) to reimburse the Master Servicer or any Subservicer
         for any Nonrecoverable Advance previously made, and not reimbursed
         pursuant to this Subsection
         3.07(a);

                        (ix) to deposit in the Payment Account, by the third
         Business Day prior to each Payment Date, the Owner Trustee Fee and the
         Indenture Trustee Fee;

                         (x) to withdraw any other amount deposited in the
         Collection Account that was not required to be deposited therein
         pursuant to Section 3.06;

                        (xi) to reimburse the Master Servicer for costs
         associated with the environmental report specified in Section 3.11(c);
         and

                       (xii) clear and terminate the Collection Account pursuant
         to Section 7.08.

In connection with withdrawals pursuant to clauses (ii), (iii), (iv), (v), (vi),
(vii) and (viii), the Master Servicer's entitlement thereto is limited to
collections or other recoveries on the related Mortgage Loan, and the Master
Servicer shall keep and maintain separate accounting, on a Mortgage Loan by
Mortgage Loan basis, for the purpose of justifying any withdrawal from the
Collection Account pursuant to such clauses. Notwithstanding any other provision
of this Servi cing Agreement, the Master Servicer shall be entitled to reimburse
itself for any previously unreimbursed expenses incurred pursuant to Section
3.13 or otherwise reimbursable expenses incurred pursuant to the terms of this
Servicing Agreement, but only to the extent of collections or other recoveries
on the related Mortgage Loan.

         (b) Notwithstanding the provisions of this Section 3.07, the Master
Servicer may, but is not required to, allow the Subservicers to deduct from
amounts received by them or from the related account maintained by a
Subservicer, prior to deposit in the Collection Account, any portion to which
such Subservicers are entitled as servicing compensation (including income on
Eligible Investments) or reimbursement of any reimbursable Advances made by such
Subservicers.

         Section 3.08.     ACCESS TO CERTAIN DOCUMENTATION AND INFORMATION 
REGARDING THE MORTGAGE LOANS. The Master Servicer shall provide, and shall cause
any Subservicer to provide, to the Indenture Trustee and the Owner Trustee
access to the documentation regarding the related


                                      -14-

<PAGE>



Mortgage Loans and REO Property and to the Noteholders, the FDIC, and the
supervisory agents and examiners of the FDIC (to which the Indenture Trustee
shall also provide) access to the documentation regarding the related Mortgage
Loans required by applicable regulations, such access being afforded without
charge but only upon reasonable request and during normal business hours at the
offices of the Master Servicer or the Subservicers that are designated by these
entities; PROVIDED, HOWEVER, that, unless otherwise required by law, the
Indenture Trustee, the Master Servicer or the Subservicer shall not be required
to provide access to such documentation if the provision thereof would violate
the legal right to privacy of any Mortgagor; PROVIDED, FURTHER, HOWEVER, that
the Indenture Trustee and the Owner Trustee shall coordinate their requests for
such access so as not to impose an unreasonable burden on, or cause an
unreasonable interruption of, the business of the Master Servicer or any
Subservicer. The Master Servicer, the Subservicers and the Indenture Trustee
shall allow representatives of the above entities to photocopy any of the
documentation and shall provide equipment for that purpose at a charge that
covers their own actual out-of-pocket costs.

         Section 3.09. MAINTENANCE OF FIDELITY COVERAGE. The Master Servicer
shall obtain and maintain at its own expense and for the duration of this
Servicing Agreement a blanket fidelity bond and shall cause each Subservicer to
obtain and maintain an errors and omissions insurance policy covering such
Subservicer's officers, employees and other persons acting on its behalf in
connection with its activities under this Servicing Agreement. The amount of
coverage shall be at least equal to the coverage maintained by the Master
Servicer acceptable to FNMA or FHLMC to service loans for it or otherwise in an
amount as is commercially available at a cost that is generally not regarded as
excessive by industry standards. The Master Servicer shall promptly notify the
Indenture Trustee of any material change in the terms of such bond or policy.
The Master Servicer shall provide annually to the Indenture Trustee a
certificate of insurance that such bond and policy are in effect. If any such
bond or policy ceases to be in effect, the Master Servicer shall, to the extent
possible, give the Indenture Trustee ten days' notice prior to any such
cessation and shall use its reasonable best efforts to obtain a comparable
replacement bond or policy, as the case may be. Any amounts relating to the
Mortgage Loans collected under such bond or policy shall be deposited initially
in a Collection Account for transmittal to the Payment Account, subject to
withdrawal pursuant to Section 3.07.

         Section 3.10. DUE-ON-SALE CLAUSES; ASSUMPTION AGREEMENTS. (a) Subject
to Section 3.06(b), in any case in which the Master Servicer is notified by any
Mortgagor or Subservicer that a Mortgaged Property relating to a Mortgage Loan
has been or is about to be conveyed by the Mortgagor, the Master Servicer shall
enforce, or shall instruct such Subservicer to enforce, any due-on-sale clause
contained in the related Security Instrument to the extent permitted under the
terms of the related Mortgage Note and by applicable law. The Seller, the Master
Servicer or the related Subservicer may repurchase a Mortgage Loan at the
Repurchase Price when the Master Servicer requires acceleration of the Mortgage
Loan, but only if the Master Servicer is satisfied, as evidenced by an Officer's
Certificate delivered to the Indenture Trustee, that either (i) such Mortgage
Loan is in default or default is reasonably foreseeable or (ii) if such Mortgage
Loan is not in default or default is not reasonably foreseeable, such repurchase
will have no adverse tax consequences for the Trust Estate or any
Securityholder. If the Master Servicer reasonably believes that such due-on-sale
clause cannot be enforced under applicable law or if the Mortgage


                                      -15-

<PAGE>



Loan does not contain a due-on-sale clause, the Master Servicer is authorized,
and may authorize any Subservicer, to consent to a conveyance subject to the
lien of the Mortgage, and to take or enter into an assumption agreement from or
with the Person to whom such property has been or is about to be conveyed,
pursuant to which such Person becomes liable under the related Mortgage Note and
unless prohibited by applicable state law, such Mortgagor remains liable
thereon. In connection with any such assumption, no material term of the related
Mortgage Note may be changed. The Master Servicer shall notify the Indenture
Trustee, whenever possible, before the completion of such assumption agreement,
and shall forward to the Indenture Trustee the original copy of such assumption
agreement, which copy shall be added by the Indenture Trustee to the related
Mortgage File and which shall, for all purposes, be considered a part of such
Mortgage File to the same extent as all other documents and instruments
constituting a part thereof. A portion, equal to up to 2% of the Principal
Balance of the related Mortgage Loan, of any fee or additional interest
collected by the related Subservicer for consenting in any such conveyance or
entering into any such assumption agreement may be retained by the related
Subservicer as additional servicing compensation.

         (b) Notwithstanding the foregoing paragraph or any other provision of
this Servicing Agreement, the Master Servicer shall not be deemed to be in
default, breach or any other violation of its obligations hereunder by reason of
any assumption of a Mortgage Loan by operation of law or any conveyance by the
Mortgagor of the related Mortgaged Property or assumption of a Mortgage Loan
which the Master Servicer reasonably believes it may be restricted by law from
preventing, for any reason whatsoever or if the exercise of such right would
impair or threaten to impair any recovery under any applicable insurance policy.

         Section 3.11. REALIZATION UPON DEFAULTED MORTGAGE LOANS. (a) With
respect to such of the Mortgage Loans as come into and continue in default, the
Master Servicer shall, or shall direct the related Subservicer to decide whether
to (i) foreclose upon the Mortgaged Properties securing such Mortgage Loans,
(ii) write off the unpaid principal balance of the Mortgage Loans as bad debt,
(iii) take a deed in lieu of foreclosure, (iv) accept a short sale, (v) arrange
for a repayment plan, (vi) agree to a modification in accordance with this
Servicing Agreement, or (vii) take an unsecured note, in the case of (i) subject
to the rights of any related first lien holder, and in the case of (vii) subject
to the provisions of Section 3.16, except that the Master Servicer shall not,
and shall not direct the related Subservicer to, foreclose upon or otherwise
comparably convert a Mortgaged Property if the Master Servicer has actual
knowledge that any Mortgaged Property is affected by hazardous or toxic wastes
or other substances and the acquisition or such property would not be
commercially reasonable, which determination shall be made in accordance with
the procedures in Subsection (c) below. In connection with such decision, the
Master Servicer shall follow such practices (including, in the case of any
default on a related senior mortgage loan, the advancing of funds to correct
such default if deemed to be appropriate by the Master Servicer) and procedures
as it shall deem necessary or advisable and as shall be normal and usual in its
general mortgage servicing activities (including any analysis and decisions
regarding whether to realize a gain pursuant to Section 1001 of the Code);
PROVIDED that the Master Servicer shall not be liable in any respect hereunder
if the Master Servicer is acting in connection with any such foreclosure or
attempted foreclosure which is not completed or other conversion in a manner
that is consistent with the provisions of this Servicing Agreement. In
connection with any foreclosure or other


                                      -16-

<PAGE>



conversion, the Master Servicer in conjunction with the related Subservicer, if
any, shall use its best reasonable efforts to preserve REO Property and to
realize upon defaulted Mortgage Loans in such manner as to maximize the receipt
of principal and interest by the Noteholders, taking into account, among other
things, the timing of foreclosure and the considerations set forth in Subsection
3.13(b). The foregoing is subject to the proviso that the Master Servicer shall
not be required to expend its own funds in connection with any foreclosure or
towards the restoration of any property unless it determines in good faith (i)
that such restoration or foreclosure will increase the proceeds of liquidation
of the Mortgage Loan to Noteholders after reimbursement to itself for such
expenses and (ii) that such expenses will be recoverable to it through
Liquidation Proceeds (respecting which it shall have priority for purposes of
reimbursements from the Collection Account pursuant to Section 3.07). The Master
Servicer shall be responsible for all other costs and expenses incurred by it in
any such proceedings; PROVIDED, HOWEVER, that it shall be entitled to
reimbursement thereof (as well as its normal servicing compensation), and in
respect of the Master Servicer only, to receive Foreclosure Profits as
additional servicing compensation to the extent that transfers or withdrawals
from the Collection Account with respect thereto are permitted under Section
3.07. Any income from or other funds (net of any income taxes) generated by REO
Property shall be deemed for purposes of this Servicing Agreement to be
Liquidation Proceeds.

         (b) The Trust Estate shall not acquire any real property (or any
personal property incident to such real property) except in connection with a
default or reasonably foreseeable default of a Mortgage Loan. In the event that
the Trust Estate acquires any real property (or personal property incident to
such real property) in connection with a default or imminent default of a
Mortgage Loan, such property shall be disposed of by the Indenture Trustee on
behalf of the Trust Estate within two years after its acquisition by the Trust
Estate.

         (c) With respect to any Mortgage Loan as to which the Master Servicer
or a Subservicer has received notice of, or has actual knowledge of, the
presence of any toxic or hazardous substance on the Mortgaged Property, the
Master Servicer shall promptly notify the Indenture Trustee and the Owner
Trustee. The Master Servicer may, in its sole discretion, obtain an
environmental audit report prepared by a Person who regularly conducts
environmental audits using customary industry standards, a copy of which shall
be delivered to the Issuer and the Indenture Trustee. The Master Servicer shall
be entitled to reimbursement for such report pursuant to Section 3.07. The
Master Servicer shall take such action as it deems to be in the best economic
interest of the Trust Estate (other than proceeding against the Mortgaged
Property) and is hereby authorized at such time as it deems appropriate to
release such Mortgaged Property from the lien of the related Mortgage. The
parties hereto acknowledge that the Master Servicer shall not obtain on behalf
of the Issuer a deed as a result or in lieu of foreclosure, and shall not
otherwise acquire possession of or title to, or commence any proceedings to
acquire possession of or title to, or take any other action with respect to, any
Mortgage Property, if the Owner Trustee could reasonably be considered to be a
responsible party for any liability arising from the presence of any toxic or
hazardous substance on the Mortgaged Property, unless the Owner Trustee has been
indemnified to its reasonable satisfaction against such liability.

         Section 3.12.     INDENTURE TRUSTEE TO COOPERATE; RELEASE OF MORTGAGE
FILES. (a) Upon payment in full of any Mortgage Loan or the receipt by the
Master Servicer of a notification that


                                      -17-

<PAGE>



payment in full will be escrowed in a manner customary for such purposes, the
Master Servicer will immediately notify the Indenture Trustee by a certification
signed by a Servicing Officer in the form of the request for release ("Request
for Release") attached hereto as Exhibit B (which certification shall include a
statement to the effect that all amounts received or to be received in
connection with such payment which are required to be deposited in the Payment
Account have been or will be so deposited) and shall request delivery to the
Master Servicer or Subservicer, as the case may be, of the Mortgage File. Upon
receipt of such certification and request, the Indenture Trustee shall promptly
release the related Mortgage File to the Master Servicer or Subservicer and
execute and deliver to the Master Servicer, without recourse, the request for
reconveyance, deed of reconveyance or release or satisfaction of mortgage or
such instrument releasing the lien of the Security Instrument (furnished by the
Master Servicer), together with the Mortgage Note with written evidence of
cancellation thereon.

         (b) From time to time as is appropriate, for the servicing or
foreclosure of any Mortgage Loan or collection under an insurance policy, the
Master Servicer may deliver to the Indenture Trustee a Request for Release
signed by a Servicing Officer on behalf of the Master Servicer in substantially
the form attached as Exhibit B hereto. Upon receipt of the Request for Release,
the Indenture Trustee shall deliver the Mortgage File or any document therein to
the Master Servicer or Subservicer, as the case may be, as bailee for the
Indenture Trustee.

         Each Request for Release may be delivered to the Indenture Trustee (i)
via mail or courier, (ii) via facsimile or (iii) by such other means, including,
without limitation, electronic or computer readable medium, as the Master
Servicer and the Indenture Trustee shall mutually agree. The Indenture Trustee
shall promptly release the related Mortgage File(s) within five (5) to seven (7)
Business Days of receipt of a properly completed Request for Release pursuant to
clauses (i), (ii) or (iii) above shall be authorization to the Indenture Trustee
to release such Mortgage Files, provided the Indenture Trustee has determined
that such Request for Release has been executed, with respect to clauses (i) or
(ii) above, or approved, with respect to clause (iii) above, by an authorized
Servicing Officer of the Master Servicer, and so long as the Indenture Trustee
complies with its duties and obligations under this Agreement. If the Indenture
Trustee is unable to release the Mortgage Files within the time frames
previously specified, the Indenture Trustee shall immediately notify the Master
Servicer indicating the reason for such delay, but in no event shall such
notification be later than five Business Days after receipt of a Request for
Release. If the Master Servicer is required to pay penalties or damages due to
the Indenture Trustee's negligent failure to release the related Mortgage File
or the Indenture Trustee's negligent failure to execute and release documents in
a timely manner, the Indenture Trustee shall be liable for such penalties or
damages.

         On each day that the Master Servicer remits to the Indenture Trustee
Requests for Releases pursuant to clauses (ii) or (iii) above, the Master
Servicer shall also submit to the Indenture Trustee a summary of the total
amount of such Requests for Releases requested on such day by the same method as
described in such clauses (ii) and (iii) above.

         (c) The Master Servicer shall cause each Mortgage File or any document
therein released pursuant to Subsection 3.14(b) to be returned to the Indenture
Trustee when the need


                                      -18-

<PAGE>



therefor no longer exists, and in any event within 21 days of the Master
Servicer's receipt thereof, unless the Mortgage Loan has become a Liquidated
Mortgage Loan and the Liquidation Proceeds relating to the Mortgage Loan have
been deposited in the Collection Account or such Mortgage File is being used to
pursue foreclosure or other legal proceedings. Prior to return of a Mortgage
File or any document to the Indenture Trustee, the Master Servicer, the related
insurer or Subservicer to whom such file or document was delivered shall retain
such file or document in its respective control as bailee for the Indenture
Trustee unless the Mortgage File or such document has been delivered to an
attorney, or to a public trustee or other public official as required by law, to
initiate or pursue legal action or other proceedings for the foreclosure of the
Mortgaged Property either judicially or non-judicially, and the Master Servicer
has delivered to the Indenture Trustee a certificate of a Servicing Officer
certifying as to the name and address of the Person to which such Mortgage File
or such document was delivered and the purpose or purposes of such delivery. If
a Mortgage Loan becomes a Liquidated Mortgage Loan, the Indenture Trustee shall
deliver a copy of the Request for Release with respect thereto to the Master
Servicer upon deposit of the related Liquidation Proceeds in the Collection
Account.

         (d) The Indenture Trustee shall execute and deliver to the Master
Servicer any court pleadings, requests for trustee's sale or other documents
necessary to (i) the foreclosure or trustee's sale with respect to a Mortgaged
Property; (ii) any legal action brought to obtain judgment against any Mortgagor
on the Mortgage Note or Security Instrument; (iii) obtain a deficiency judgment
against the Mortgagor; or (iv) enforce any other rights or remedies provided by
the Mortgage Note or Security Instrument or otherwise available at law or
equity. Together with such documents or pleadings the Master Servicer shall
deliver to the Indenture Trustee a certificate of a Servicing Officer in which
it requests the Indenture Trustee to execute the pleadings or documents. The
certificate shall certify and explain the reasons for which the pleadings or
documents are required.

         Section 3.13. MASTER SERVICING COMPENSATION. (a) As compensation for
its activities hereunder, the Master Servicer shall be entitled to receive the
Master Servicing Fee (plus the Subservicing Fee paid to the Master Servicer as
the direct servicer of a Mortgage Loan for which there is no Subservicer) from
full payments of accrued interest on each Mortgage Loan. In addition, the Master
Servicer shall be entitled to all prepayment penalties on the Mortgage Loans.
The Master Servicer shall be solely responsible for paying any and all fees with
respect to a Subservicer and the Trust Estate shall not bear any fees, expenses
or other costs directly associated with any Subservicer.

         (b) The related Subservicer may retain additional servicing
compensation in the form of assumption fees up to 2% of the Principal Balance of
the related Mortgage Loan, fees for statement of account or payoff, late payment
charges, or otherwise, to the extent such fees are collected from the related
Mortgagors or, with respect to a Liquidated Mortgage Loan, to the extent such
fees have accrued and interest earned on the Collection Account. The Master
Servicer shall not be entitled to servicing compensation other than its Master
Servicing Fee and prepayment charges. The Master Servicer shall be required to
pay all expenses it incurs in connection with servicing activities under this
Servicing Agreement and shall not be entitled in connection with servicing
activities under this Servicing Agreement to reimbursement except as provided in
this


                                      -19-

<PAGE>



Servicing Agreement. Expenses to be paid by the Master Servicer under this
Subsection 3.13(b) shall include payment of the expenses of the accountants
retained pursuant to Section 3.15.

         Section 3.14. ANNUAL STATEMENTS OF COMPLIANCE. Within 120 days after
December 31 of each year, commencing December 1998, the Master Servicer at its
own expense shall deliver to the Indenture Trustee, with a copy to the Rating
Agencies, an Officer's Certificate stating, as to the signer thereof, that (i) a
review of the activities of the Master Servicer during the preceding calendar
year and of performance under this Servicing Agreement has been made under such
officer's supervision, (ii) to the best of such officer's knowledge, based on
such review, the Master Servicer has fulfilled all its obligations under this
Servicing Agreement for such year, or, if there has been a default in the
fulfillment of any such obligation, specifying each such default known to such
officer and the nature and status thereof including the steps being taken by the
Master Servicer to remedy such default; (iii) a review of the activities of each
Subservicer during the Subservicer's most recently ended calendar year on or
prior to such December 31 and its performance under its Subservicing Agreement
has been made under such officer's supervision; and (iv) to the best of the
Servicing Officer's knowledge, based on his review and the certification of an
officer of the Subservicer (unless the Servicing Officer has reason to believe
that reliance on such certification is not justified), either each Subservicer
has performed and fulfilled its duties, responsibilities and obligations under
this Servicing Agreement and its Subservicing Agreement in all material respects
throughout the year, or, if there has been a default in performance or
fulfillment of any such duties, responsibilities or obligations, specifying the
nature and status of each such default known to the Servicing Officer. Copies of
such statements shall be provided by the Master Servicer to the Noteholders upon
written request or by the Indenture Trustee at the expense of the Master
Servicer should the Master Servicer fail to provide such copies.

         Section 3.15. ANNUAL INDEPENDENT PUBLIC ACCOUNTANTS' SERVICING REPORT.
(a) Within 120 days after December 31 of each year, commencing in December 1998,
the Master Servicer, at its expense, shall cause a firm of Independent public
accountants who are members of the American Institute of Certified Public
Accountants to furnish a statement to the Master Servicer, which will be
provided to the Indenture Trustee and the Rating Agencies, to the effect that,
in connection with the firm's examination of the Master Servicer's financial
statements as of the end of such calendar year, nothing came to their attention
that indicated that the Master Servicer was not in compliance with Sections
3.06, 3.07 and 3.08 except for (i) such exceptions as such firm believes to be
immaterial and (ii) such other exceptions as are set forth in such statement.

                  (b) Within 120 days after December 31 of each year, commencing
in December 1998, the Master Servicer, at its expense, shall or shall cause each
Subservicer to cause a nationally recognized firm of independent certified
public accountants to furnish to the Master Servicer or such Subservicer a
report stating that (i) it has obtained a letter of representation regarding
certain matters from the management of the Master Servicer or such Subservicer
which includes an assertion that the Master Servicer or such Subservicer has
complied with certain minimum mortgage loan servicing standards (to the extent
applicable to commercial and multifamily mortgage loans) identified in the
Uniform Single Attestation Program for Mortgage Bankers established by the
Mortgage Bankers Association of America with respect to the servicing of first
and second lien conventional single family mortgage loans during the most
recently


                                      -20-

<PAGE>



completed calendar year and (ii) on the basis of an examination conducted by
such firm in accordance with standards established by the American Institute of
Certified Public Accountants, such representation is fairly stated in all
material respects, subject to such exceptions and other qualifications that may
be appropriate. Immediately upon receipt of such report, the Master Servicer
shall or shall cause each Subservicer to furnish a copy of such report to the
Indenture Trustee, the Rating Agencies.

         Section 3.16. OPTIONAL PURCHASE OF DEFAULTED MORTGAGE LOANS. The Master
Servicer may, but is not obligated to, repurchase any Mortgage Loan delinquent
in payment for a period of 90 days or longer for a price equal to the Repurchase
Price. In addition, the Master Servicer must repurchase any Mortgage Loan for
which an unsecured Mortgage Note is given to the borrower in connection with
Section 3.11(a) or otherwise. Any such purchase shall be accomplished as
provided in Subsection 2.03 hereof. Notwithstanding the foregoing, the Indenture
Trustee, whether acting as Indenture Trustee or in the capacity of successor
Master Servicer, shall have no obligation to repurchase any Mortgage Loan.

         Section 3.17. INFORMATION REQUIRED BY THE INTERNAL REVENUE SERVICE
GENERALLY AND REPORTS OF FORECLOSURES AND ABANDONMENTS OF MORTGAGED PROPERTY.
The Master Servicer shall prepare and deliver all federal and state information
reports when and as required by all applicable state and federal income tax
laws. In particular, with respect to the requirement under Section 6050J of the
Code to the effect that the Master Servicer or Subservicer shall make reports of
foreclosures and abandonments of any mortgaged property for each year beginning
in 1997, the Master Servicer or Subservicer shall file reports relating to each
instance occurring during the previous calendar year in which the Master
Servicer (i) acquires an interest in any Mortgaged Property through foreclosure
or other comparable conversion in full or partial satisfaction of a Mortgage
Loan, or (ii) knows or has reason to know that any Mortgaged Property has been
abandoned. The reports from the Master Servicer or Subservicer shall be in form
and substance sufficient to meet the reporting requirements imposed by Section
6050J, Section 6050H (reports relating to mortgage interest received) and
Section 6050P of the Code (reports relating to cancellation of indebtedness).



                                      -21-

<PAGE>



                                   ARTICLE IV

                              Servicing Certificate

         Section 4.01. REMITTANCE REPORTS. On the second Business Day following
each Determination Date, the Master Servicer shall deliver to the Indenture
Trustee a report, prepared as of the close of business on the Determination Date
(the "Determination Date Report"), in the form of a magnetic tape or disk or pc
file or such other method as to which the Master Servicer and Indenture Trustee
shall agree. The Determination Date Report and any written information
supplemental thereto shall include such information with respect to the Mortgage
Loans that is reasonably available to the Master Servicer and that is required
by the Indenture Trustee for purposes of making the calculations and providing
the reports referred to in the Indenture, as set forth in written specifications
or guidelines issued by the Indenture Trustee from time to time. Such
information shall include the aggregate amounts required to be withdrawn from
the Collection Account and deposited into the Payment Account pursuant to 3.07.

         In addition, prior to each Payment Date, the Master Servicer shall
determine the total number of Realized Losses, if any, that resulted from any
Cash Liquidation or REO Disposition that occurred during the related Collection
Period and the total amount of Realized Losses incurred due to a Mortgage Loan
(or REO Property) being 180 days or more delinquent. The amount of each Realized
Loss shall be evidenced by an Officer's Certificate delivered to the Indenture
Trustee with the related Determination Date Report.

         The determination by the Master Servicer of such amounts shall, in the
absence of obvious error, be presumptively deemed to be correct for all purposes
hereunder and the Owner Trustee and Indenture Trustee shall be protected in
relying upon the same without any independent check or verification.

         Section 4.02.     RESERVED.

         Section 4.03. PAYMENT ACCOUNT. The Indenture Trustee shall establish
and maintain a separate account (the "Payment Account") in accordance with the
Indenture. The Payment Account shall be an Eligible Account. On each Payment
Date, amounts on deposit in the Payment Account will be distributed by the
Indenture Trustee in accordance with Section 3.05 of the Indenture. The
Indenture Trustee shall, upon written request from the Master Servicer, invest
or cause the institution maintaining the Payment Account to invest the funds in
the Payment Account in Eligible Investments designated in the name of the
Indenture Trustee, which shall mature not later than the Business Day next
preceding the Payment Date next following the date of such investment (except
that (i) any investment in the institution with which the Payment Account is
maintained may mature on such Payment Date and (ii) any other investment may
mature on such Payment Date if the Indenture Trustee shall advance funds on such
Payment Date to the Payment Account in the amount payable on such investment on
such Payment Date, pending receipt thereof to the extent necessary to make
distributions on the Notes) and shall not be sold or disposed of prior to
maturity. All income and gain realized from any such investment shall be for the
benefit


                                      -22-

<PAGE>



of the Master Servicer. The amount of any losses incurred with respect to any
such investments shall be deposited in the Payment Account by the Master
Servicer.

         Section 4.04. ADVANCES. If any Monthly Payment (together with any
advances from the Subservicers with respect thereto) on a Mortgage Loan that was
due during the related Collection Period and delinquent on the Determination
Date is delinquent other than as a result of application of the Relief Act, the
Master Servicer will deposit in the Collection Account not later than the third
Business Day immediately preceding the related Payment Date an amount equal to
the interest portion of such Monthly Payment net of the related Servicing Fee
(each, an "Advance") for such Mortgage Loan, except to the extent the Master
Servicer determines any such advance to be a Nonrecoverable Advance. Subject to
the foregoing and in the absence of such a determination, the Master Servicer
shall continue to make such Advances through the date that the related Mortgaged
Property has, in the judgment of the Master Servicer, been completely
liquidated. If applicable, no later than the fourth Business Day preceding each
Payment Date, the Master Servicer shall promptly present an Officer's
Certificate to the Indenture Trustee (i) stating that the Master Servicer elects
not to make an Advance in a stated amount and (ii) detailing the reason it deems
the advance to be a Nonrecoverable Advance.

         Such Advances may be made in whole or in part from funds in the
Collection Account being held for future distribution or withdrawal on or in
connection with Payment Dates in subsequent months. Any funds being held for
future distribution to Securityholders and so used shall be replaced by the
Master Servicer from its own funds by deposit in the Collection Account on or
before the fourth Business Day preceding any Payment Date to the extent that
funds in the Collection Account with respect to such Payment Date shall be less
than payments to Securityholders required to be made on such date.

         Section 4.05. COMPENSATING INTEREST PAYMENTS. The Master Servicer shall
deposit in the Collection Account not later than the third Business Day
preceding the Payment Date an amount equal to the Compensating Interest related
to the related Determination Date. The Master Servicer shall not be entitled to
any reimbursement of any Compensating Interest payment.


                                      -23-

<PAGE>



                                    ARTICLE V

                               The Master Servicer

         Section 5.01. LIABILITY OF THE MASTER SERVICER.  The Master 
Servicer shall be liable in accordance herewith only to the extent of the
obligations specifically imposed upon and undertaken by the Master Servicer
herein.

         Section 5.02. MERGER OR CONSOLIDATION OF, OR ASSUMPTION OF THE
OBLIGATIONS OF, THE MASTER SERVICER. Any corporation into which the Master
Servicer may be merged or converted or with which it may be consolidated, or any
corporation resulting from any merger, conversion or consolidation to which the
Master Servicer shall be a party, or any corporation succeeding to the business
of the Master Servicer, shall be the successor of the Master Servicer,
hereunder, without the execution or filing of any paper or any further act on
the part of any of the parties hereto, anything herein to the contrary
notwithstanding.

         The Master Servicer may assign its rights and delegate its duties and
obligations under this Servicing Agreement; PROVIDED, that the Person accepting
such assignment or delegation shall be a Person which is qualified to service
mortgage loans on behalf of FNMA or FHLMC, is reasonably satisfactory to the
Indenture Trustee (as pledgee of the Mortgage Loans) and the Company (in its
sole discretion), is willing to service the Mortgage Loans and executes and
delivers to the Indenture Trustee and the Company an agreement, in form and
substance reason ably satisfactory to the Indenture Trustee and the Company,
which contains an assumption by such Person of the due and punctual performance
and observance of each covenant and condition to be performed or observed by the
Master Servicer under this Servicing Agreement; PROVIDED, FURTHER, that each
Rating Agency's rating of the Notes in effect immediately prior to such
assignment and delegation will not be qualified, reduced, or withdrawn as a
result of such assignment and delegation (as evidenced by a letter to such
effect from each Rating Agency) or considered to be below investment grade.

         Section 5.03. LIMITATION ON LIABILITY OF THE MASTER SERVICER AND
OTHERS. Neither the Master Servicer nor any of the directors or officers or
employees or agents of the Master Servicer shall be under any liability to the
Company, the Issuer, the Owner Trustee, the Indenture Trustee or the Noteholders
for any action taken or for refraining from the taking of any action in good
faith pursuant to this Servicing Agreement, PROVIDED, HOWEVER, that this
provision shall not protect the Master Servicer or any such Person against any
liability which would otherwise be imposed by reason of its willful misfeasance,
bad faith or gross negligence in the performance of its duties hereunder or by
reason of its reckless disregard of its obligations and duties hereunder. The
Master Servicer and any director or officer or employee or agent of the Master
Servicer may rely in good faith on any document of any kind PRIMA FACIE properly
executed and submitted by any Person respecting any matters arising hereunder.
The Master Servicer and any director or officer or employee or agent of the
Master Servicer shall be indemnified by the Company and held harmless against
any loss, liability or expense incurred in connection with any legal action
relating to this Servicing Agreement or the Notes, including any amount paid to
the Owner Trustee or the Indenture Trustee pursuant to Section 5.06(b), other
than any loss, liability or expense related to


                                      -24-

<PAGE>



any specific Mortgage Loan or Mortgage Loans (except as any such loss, liability
or expense shall be otherwise reimbursable pursuant to this Servicing Agreement)
and any loss, liability or expense incurred by reason of its willful
misfeasance, bad faith or gross negligence in the performance of its duties
hereunder or by reason of its reckless disregard of its obligations and duties
hereunder. The Master Servicer shall not be under any obligation to appear in,
prosecute or defend any legal action which is not incidental to its duties to
service the Mortgage Loans in accordance with this Servicing Agreement, and
which in its opinion may involve it in any expense or liability; PROVIDED,
HOWEVER, that the Master Servicer may in its sole discretion undertake any such
action which it may deem necessary or desirable in respect of this Servicing
Agreement, and the rights and duties of the parties hereto and the interests of
the Noteholders hereunder. In such event, the reasonable legal expenses and
costs of such action and any liability resulting therefrom shall be expenses,
costs and liabilities of the Company, and the Master Servicer shall be entitled
to be reimbursed therefor. The Master Servicer's right to indemnity or
reimbursement pursuant to this Section 5.03 shall survive any resignation or
termination of the Master Servicer pursuant to Section 5.04 or 6.01 with respect
to any losses, expenses, costs or liabilities arising prior to such resignation
or termination (or arising from events that occurred prior to such resignation
or termination).

         Section 5.04. MASTER SERVICER NOT TO RESIGN. Subject to the provisions
of Section 5.02, the Master Servicer shall not resign from the obligations and
duties hereby imposed on it except (i) upon determination that the performance
of its obligations or duties hereunder are no longer permissible under
applicable law or (ii) upon satisfaction of the following conditions: (a) the
Master Servicer has proposed a successor servicer to the Company and the
Indenture Trustee in writing and such proposed successor servicer is reasonably
acceptable to the Company and the Indenture Trustee; and (b) each Rating Agency
shall have delivered a letter to the Company and the Indenture Trustee prior to
the appointment of the successor servicer stating that the proposed appointment
of such successor servicer as Master Servicer hereunder will not result in the
reduc tion or withdrawal of the then current rating of the Notes or the then
current rating of the Class B-2 Certificates; PROVIDED, HOWEVER, that no such
resignation by the Master Servicer shall become effective until such successor
servicer or, in the case of (i) above, the Indenture Trustee, as pledgee of the
Mortgage Loans, shall have assumed the Master Servicer's responsibilities and
obligations hereunder or the Indenture Trustee, as pledgee of the Mortgage
Loans, shall have designated a successor servicer in accordance with Section
6.02. Any such resignation shall not relieve the Master Servicer of
responsibility for any of the obligations specified in Sections 6.01 and 6.02 as
obligations that survive the resignation or termination of the Master Servicer.
The Master Servicer shall have no claim (whether by subrogation or otherwise) or
other action against any Noteholder for any amounts paid by the Master Servicer
pursuant to any provision of this Servicing Agreement. Any such determination
permitting the resignation of the Master Servicer shall be evidenced by an
Opinion of Counsel to such effect delivered to the Indenture Trustee.

         Section 5.05. DELEGATION OF DUTIES. In the ordinary course of business,
the Master Servicer at any time may delegate any of its duties hereunder to any
Person, including any of its Affiliates, who agrees to conduct such duties in
accordance with standards comparable to those with which the Master Servicer
complies pursuant to Section 3.01. Such delegation shall not


                                      -25-

<PAGE>



relieve the Master Servicer of its liabilities and responsibilities with respect
to such duties and shall not constitute a resignation within the meaning of
Section 5.04.

         Section 5.06. MASTER SERVICER TO PAY INDENTURE TRUSTEE'S AND OWNER
TRUSTEE'S FEES AND EXPENSES; INDEMNIFICATION. (a) The Master Servicer covenants
and agrees to pay to the Owner Trustee, the Indenture Trustee and any co-trustee
of the Indenture Trustee from time to time, and the Owner Trustee, the Indenture
Trustee and any such co-trustee shall be entitled to, reasonable compensation
(which shall not be limited by any provision of law in regard to the
compensation of a trustee of an express trust) for all services rendered by each
of them in the execution of the trusts created under the Trust Agreement and the
Indenture and in the exercise and performance of any of the powers and duties
under the Trust Agreement or the Indenture, as the case may be, of the Owner
Trustee, the Indenture Trustee and any co-trustee of the Indenture Trustee, and
the Master Servicer will pay or reimburse (i) the Indenture Trustee and any
co-trustee upon request for all reasonable expenses, disbursements and advances
incurred or made by the Indenture Trustee or any co-trustee of the Indenture
Trustee in accordance with any of the provisions of this Servicing Agreement
except any such expense, disbursement or advance as may arise from its
negligence or bad faith and (ii) the Owner Trustee upon request for all
reasonable expenses, disbursements and advances incurred or made by the Owner
Trustee in accordance with any of the provisions of this Servicing Agreement
except any such expense, disbursement or advance as may arise from its willful
misconduct, gross negligence or bad faith or grossly negligent failure to act.

         (b) The Master Servicer agrees to indemnify the Indenture Trustee and
the Owner Trustee for, and to hold the Indenture Trustee and the Owner Trustee,
as the case may be, harmless against, any claim, tax, penalty, loss, liability
or expense of any kind whatsoever, incurred without negligence or willful
misconduct on its part, arising out of, or in connection with, the failure by
the Master Servicer to perform its duties in compliance with this Servicing
Agreement, or its duties and obligations which arise out of any other Basic
Document, including the costs and expenses (including reasonable legal fees and
expenses) of defending itself against any claim in connection with the exercise
or performance of any of its powers or duties under any Basic Document, provided
that:

                         (i) with respect to any such claim, the Indenture
         Trustee or Owner Trustee, as the case may be, shall have given the
         Master Servicer written notice thereof promptly after the Indenture
         Trustee or Owner Trustee, as the case may be, shall have actual
         knowledge thereof;

                        (ii) while maintaining control over its own defense, the
         Company, the Indenture Trustee or Owner Trustee, as the case may be,
         shall cooperate and consult fully
         with the Master Servicer in preparing such defense; and

                       (iii) notwithstanding anything in this Servicing
         Agreement to the contrary, the Master Servicer shall not be liable for
         settlement of any claim by the Indenture Trustee or the Owner Trustee,
         as the case may be, entered into without the prior consent of the
         Master Servicer, which consent shall not be unreasonably withheld.



                                      -26-

<PAGE>



No termination of this Servicing Agreement shall affect the obligations created
by this Section 5.06 of the Master Servicer to indemnify the Indenture Trustee
and the Owner Trustee under the condi tions and to the extent set forth herein.
This section shall survive the termination of this Servicing Agreement and the
resignation or removal of the Master Servicer. Any amounts to be paid by the
Master Servicer pursuant to this Subsection may not be paid from the Trust
Estate.


                                      -27-

<PAGE>



                                   ARTICLE VI

                                     Default

         Section 6.01. SERVICING DEFAULT.  If any one of the following events 
("Servicing Default") shall occur and be continuing:

                         (i) Any failure by the Master Servicer to deposit in
         the Collection Account or Payment Account any deposit required to be
         made under the terms of this Servicing Agreement, including any
         Advances and Compensating Interest (other than Servicing Advances),
         which continues unremedied for a period of five Business Days after the
         date upon which written notice of such failure shall have been given to
         the Master Servicer by the Company, the Issuer or the Indenture
         Trustee; or

                        (ii) Failure on the part of the Master Servicer duly to
         observe or perform in any material respect any other covenants or
         agreements of the Master Servicer (including Servicing Advances) set
         forth in the Notes or in this Servicing Agreement, which failure, in
         each case, materially and adversely affects the interests of
         Noteholders and which continues unremedied for a period of 30 days
         after the date on which written notice of such failure, requiring the
         same to be remedied, and stating that such notice is a "Notice of
         Default" hereunder, shall have been given to the Master Servicer by the
         Company, the Issuer or the Indenture Trustee; or

                       (iii) The entry against the Master Servicer of a decree
         or order by a court or agency or supervisory authority having
         jurisdiction in the premises for the appointment of a trustee,
         conservator, receiver or liquidator in any insolvency, conservatorship,
         receivership, readjustment of debt, marshalling of assets and
         liabilities or similar proceed ings, or for the winding up or
         liquidation of its affairs, and the continuance of any such decree or
         order unstayed and in effect for a period of 60 consecutive days; or

                        (iv) The Master Servicer shall voluntarily go into
         liquidation, consent to the appointment of a conservator, receiver,
         liquidator or similar person in any insolvency, readjustment of debt,
         marshalling of assets and liabilities or similar proceedings of or
         relating to the Master Servicer or of or relating to all or
         substantially all of its property, or a decree or order of a court,
         agency or supervisory authority having jurisdiction in the premises for
         the appointment of a conservator, receiver, liquidator or similar
         person in any insolvency, readjustment of debt, marshalling of assets
         and liabilities or similar proceed ings, or for the winding-up or
         liquidation of its affairs, shall have been entered against the Master
         Servicer and such decree or order shall have remained in force
         undischarged, unbonded or unstayed for a period of 60 days; or the
         Master Servicer shall admit in writing its inability to pay its debts
         generally as they become due, file a petition to take advantage of any
         applicable insolvency or reorganization statute, make an assignment for
         the benefit of its creditors or voluntarily suspend payment of its
         obligations.



                                      -28-

<PAGE>



then, and in every such case, so long as a Servicing Default shall not have been
remedied by the Master Servicer, the Issuer, subject to the direction of the
Indenture Trustee as pledgee of the Mortgage Loans, with the consent of the
holders of at least 51% of the aggregate Note Principal Balance of the Notes, by
notice then given in writing to the Master Servicer (and to the Indenture
Trustee), terminate all of the rights and obligations of the Master Servicer as
servicer under this Servicing Agreement other than its right to receive
servicing compensation and expenses for servicing the Mortgage Loans hereunder
during any period prior to the date of such termination and the Company, subject
to the direction of the Indenture Trustee as pledgee of the Mortgage Loans, may
exercise any and all other remedies available at law or equity. Any such notice
to the Master Servicer shall also be given to each Rating Agency, the Company
and the Issuer. On or after the receipt by the Master Servicer of such written
notice, all authority and power of the Master Servicer under this Servicing
Agreement, whether with respect to the Notes or the Mortgage Loans or otherwise,
shall pass to and be vested in the Indenture Trustee, pursuant to and under this
Section 6.01; and, without limitation, the Indenture Trustee is hereby
authorized and empowered to execute and deliver, on behalf of the Master
Servicer, as attorney-in-fact or otherwise, any and all documents and other
instruments, and to do or accomplish all other acts or things necessary or
appropriate to effect the purposes of such notice of termination, whether to
complete the transfer and endorsement of each Mortgage Loan and related
documents, or other wise. The Master Servicer agrees to cooperate with the
Indenture Trustee in effecting the termination of the responsibilities and
rights of the Master Servicer hereunder, including, without limitation, the
transfer to the Indenture Trustee for the administration by it of all cash
amounts relating to the Mortgage Loans that shall at the time be held by the
Master Servicer and to be deposited by it in the Collection Account, or that
have been deposited by the Master Servicer in the Collection Account or
thereafter received by the Master Servicer with respect to the Mortgage Loans.
All reasonable costs and expenses (including, but not limited to, attorneys'
fees) incurred in connection with amending this Servicing Agreement to reflect
such succession as Master Servicer pursuant to this Section 6.01 shall be paid
by the predecessor Master Servicer (or if the predecessor Master Servicer is the
Indenture Trustee, the initial Master Servicer) upon presen tation of reasonable
documentation of such costs and expenses.

         Notwithstanding any termination of the activities of the Master
Servicer hereunder, the Master Servicer shall be entitled to receive, out of any
late collection of a payment on a Mortgage Loan which was due prior to the
notice terminating the Master Servicer's rights and obligations hereunder and
received after such notice, that portion to which the Master Servicer would have
been entitled pursuant to Sections 3.07 and 3.13 as well as its Servicing Fee in
respect thereof, and any other amounts payable to the Master Servicer hereunder
the entitlement to which arose prior to the termination of its activities
hereunder.

         Notwithstanding the foregoing, a delay in or failure of performance
under Section 6.01(i) or under Section 6.01(ii) after the applicable grace
periods specified in such Sections, shall not constitute a Servicing Default if
such delay or failure could not be prevented by the exercise of reasonable
diligence by the Master Servicer and such delay or failure was caused by an act
of God or the public enemy, acts of declared or undeclared war, public disorder,
rebellion or sabotage, epidemics, landslides, lightning, fire, hurricanes,
earthquakes, floods or similar causes. The pre ceding sentence shall not relieve
the Master Servicer from using reasonable efforts to perform its


                                      -29-

<PAGE>



respective obligations in a timely manner in accordance with the terms of this
Servicing Agreement and the Master Servicer shall provide the Indenture Trustee
and the Noteholders with notice of such failure or delay by it, together with a
description of its efforts to so perform its obligations. The Master Servicer
shall immediately notify the Indenture Trustee and the Owner Trustee in writing
of any Servicing Default.

         Section 6.02. INDENTURE TRUSTEE TO ACT; APPOINTMENT OF SUCCESSOR. (a)
On and after the time the Master Servicer receives a notice of termination
pursuant to Section 6.01 or sends a notice pursuant to Section 5.04, the
Indenture Trustee on behalf of the Noteholders shall be the successor in all
respects to the Master Servicer in its capacity as servicer under this Servicing
Agreement and the transactions set forth or provided for herein and shall be
subject to all the responsibilities, duties and liabilities relating thereto
placed on the Master Servicer by the terms and provisions hereof, including but
not limited to the provisions of Article VIII. Nothing in this Servicing
Agreement shall be construed to permit or require the Indenture Trustee to (i)
succeed to the responsibilities, duties and liabilities of the initial Master
Servicer in its capacity as the Seller under the Mortgage Loan Purchase
Agreement, (ii) be responsible or accountable for any act or omission of the
Master Servicer prior to the issuance of a notice of termination hereunder,
(iii) require or obligate the Indenture Trustee, in its capacity as successor
Master Servicer, to purchase, repurchase or substitute any Mortgage Loan, (iv)
fund any losses on any Eligible Investment directed by any other Master
Servicer, or (v) be responsible for the representations and warranties of the
Master Servicer; PROVIDED, HOWEVER, that the Indenture Trustee, as successor
Master Servicer, shall be required to make any Advances to the extent that the
Master Servicer failed to make such Advances. As compensation therefor, the
Indenture Trustee shall be entitled to such compensation as the Master Servicer
would have been entitled to hereunder if no such notice of termination had been
given. Notwithstanding the above, (i) if the Indenture Trustee is unwilling to
act as successor Master Servicer, or (ii) if the Indenture Trustee is legally
unable so to act, the Indenture Trustee on behalf of the Noteholders may (in the
situation described in clause (i)) or shall (in the situation described in
clause (ii)) appoint or petition a court of competent jurisdiction to appoint
any established housing and home finance institution, bank or other mortgage
loan servicer having a net worth of not less than $20,000,000 as the successor
to the Master Servicer hereunder in the assumption of all or any part of the
responsibilities, duties or liabilities of the Master Servicer hereunder;
PROVIDED, that any such successor Master Servicer will not result in the
qualification, reduction or withdrawal of the ratings assigned to the Notes by
the Rating Agencies or the ratings assigned to the Notes. Pending appointment of
a successor to the Master Servicer hereunder, unless the Indenture Trustee is
prohibited by law from so acting, the Indenture Trustee shall act in such
capacity as hereinabove provided. In connection with such appointment and
assumption, the successor shall be entitled to receive compensation out of
payments on Mortgage Loans in an amount equal to the compensation which the
Master Servicer would other wise have received pursuant to Section 3.13 (or such
lesser compensation as the Indenture Trustee and such successor shall agree).
The appointment of a successor Master Servicer shall not affect any liability of
the predecessor Master Servicer which may have arisen under this Servicing
Agreement prior to its termination as Master Servicer (including, without
limitation, the obligation to purchase Mortgage Loans pursuant to Section 3.01
of the Mortgage Loan Purchase Agreement or to indemnify the Indenture Trustee
pursuant to Section 5.06), nor shall any successor Master Servicer be liable for
any acts or omissions of the predecessor Master Servicer or for any breach


                                      -30-

<PAGE>



by such Master Servicer of any of its representations or warranties contained
herein or in any related document or agreement. The Indenture Trustee and such
successor shall take such action, consistent with this Servicing Agreement, as
shall be necessary to effectuate any such succession.

         (b) Any successor, including the Indenture Trustee on behalf of the
Noteholders, to the Master Servicer as servicer shall during the term of its
service as servicer (i) continue to service and administer the Mortgage Loans
for the benefit of the Noteholders, (ii) maintain in force a policy or policies
of insurance covering errors and omissions in the performance of its obligations
as Master Servicer hereunder and a fidelity bond in respect of its officers,
employees and agents to the same extent as the Master Servicer is so required
pursuant to Section 3.11.

         (c) Any successor Master Servicer, including the Indenture Trustee on
behalf of the Noteholders, shall not be deemed to be in default or to have
breached its duties hereunder if the predecessor Master Servicer shall fail to
deliver any required deposit to the Collection Account or otherwise cooperate
with any required servicing transfer or succession hereunder.

         Section 6.03. NOTIFICATION TO NOTEHOLDERS.  Upon any termination or
appointment of a successor to the Master Servicer pursuant to this Article VI or
Section 5.04, the Indenture Trustee shall give prompt written notice thereof to
the Noteholders, the Owner Trustee, the Company, the Issuer and each Rating
Agency.

         Section 6.04. WAIVER OF DEFAULTS. The Indenture Trustee shall transmit
by mail to all Noteholders, within 10 days after the occurrence of any Servicing
Default known to the Indenture Trustee, unless such Servicing Default shall have
been cured, notice of each such Servicing Default hereunder known to the
Indenture Trustee. The holders of at least 51% of the aggregate Note Principal
Balance of the Notes may waive any default by the Master Servicer in the
performance of its obligations hereunder and the consequences thereof, except a
default in the making of or the causing to be made any required distribution on
the Notes. Upon any such waiver of a past default, such default shall be deemed
to cease to exist, and any Servicing Default arising therefrom shall be deemed
to have been timely remedied for every purpose of this Servicing Agreement. No
such waiver shall extend to any subsequent or other default or impair any right
consequent thereon except to the extent expressly so waived. The Master Servicer
shall give notice of any such waiver to the Rating Agencies.



                                      -31-

<PAGE>



                                   ARTICLE VII

                            Miscellaneous Provisions

         Section 7.01. AMENDMENT. This Servicing Agreement may be amended from
time to time by the parties hereto with the consent of the Indenture Trustee,
which consent shall not be unreasonably withheld, provided that any amendment be
accompanied by a letter from the Rating Agencies that the amendment will not
result in the downgrading or withdrawal of the rating then assigned to the
Notes.

         Section 7.02.  GOVERNING LAW.  THIS SERVICING AGREEMENT SHALL BE
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK AND THE
OBLIGATIONS, RIGHTS AND REMEDIES OF THE PARTIES HEREUNDER SHALL BE DETERMINED IN
ACCORDANCE WITH SUCH LAWS.

         Section 7.03. NOTICES.  All demands, notices and communications 
hereunder shall be in writing and shall be deemed to have been duly given when
delivered to:

   (a) in the case of the Master Servicer:   Impac Funding Corporation
                                             20371 Irvine Avenue
                                             Santa Ana Heights, CA 92707
                                             Attention: Mary Glass-Schannault

   (b) in the case of Rating Agencies:       Moody's Investors Service, Inc.
                                             99 Church Street, 4th Floor
                                             New York, NY 10007

                                             Fitch IBCA, Inc.
                                             One State Street Plaza, 33rd Floor
                                             New York, NY 10004

   (c) in the case of the Owner Trustee,
   the Corporate Trust Office:               Wilmington Trust Company
                                             Rodney Square North
                                             1100 North Market Street
                                             Wilmington, Delaware 19890
                                             Attention: Corporate Trust
                                             Administration

   (d) in the case of the Issuer,            to Impac Secured Assets CMN Trust
                                             Series 1998-1:
                                             c/o Impac Secured Assets Corp.
                                             20371 Irvine Avenue
                                             Santa Ana Heights, California 92707
                                             Attention: Richard Johnson


                                      -32-

<PAGE>



or, as to each party, at such other address as shall be designated by such party
in a written notice to each other party. Any notice required or permitted to be
mailed to a Noteholder shall be given by first class mail, postage prepaid, at
the address of such Noteholder as shown in the Note Register. Any notice so
mailed within the time prescribed in this Servicing Agreement shall be
conclusively presumed to have been duly given, whether or not the Noteholder
receives such notice. Any notice or other document required to be delivered or
mailed by the Indenture Trustee to any Rating Agency shall be given on a
reasonable efforts basis and only as a matter of courtesy and accommodation and
the Indenture Trustee shall have no liability for failure to deliver such notice
or document to any Rating Agency.

         Section 7.04. SEVERABILITY OF PROVISIONS. If any one or more of the
covenants, agreements, provisions or terms of this Servicing Agreement shall be
for any reason whatsoever held invalid, then such covenants, agreements,
provisions or terms shall be deemed severable from the remaining covenants,
agreements, provisions or terms of this Servicing Agreement and shall in no way
affect the validity or enforceability of the other provisions of this Servicing
Agreement or of the Notes or the rights of the Noteholders thereof.

         Section 7.05. THIRD-PARTY BENEFICIARIES. This Servicing Agreement will
inure to the benefit of and be binding upon the parties hereto, the Noteholders,
the Owner Trustee, the Indenture Trustee and their respective successors and
permitted assigns. Except as otherwise provided in this Servicing Agreement, no
other Person will have any right or obligation hereunder. The Indenture Trustee
shall have the right to exercise all rights of the Issuer under this Agreement.

         Section 7.06. COUNTERPARTS.  This instrument may be executed in any
number of counterparts, each of which so executed shall be deemed to be an
original, but all such counterparts shall together constitute but one and the
same instrument.

         Section 7.07. EFFECT OF HEADINGS AND TABLE OF CONTENTS.  The Article
and Section headings herein and the Table of Contents are for convenience only
and shall not affect the construction hereof.

         Section 7.08. TERMINATION.  The respective obligations and 
responsibilities of the Master Servicer and the Issuer created hereby shall
terminate upon the satisfaction and discharge of the Indenture pursuant to
Section 4.10 thereof.

         Section 7.09. NO PETITION. The Master Servicer, by entering into this
Servicing Agreement, hereby covenants and agrees that it will not at any time
institute against the Issuer, or join in any institution against the Issuer, any
bankruptcy proceedings under any United States federal or state bankruptcy or
similar law in connection with any obligations of the Issuer. This section shall
survive the termination of this Servicing Agreement by one year.

         Section 7.10. NO RECOURSE.  The Master Servicer acknowledges that no 
recourse may be had against the Issuer, except as may be expressly set forth in
this Servicing Agreement.


                                      -33-

<PAGE>



                                  ARTICLE VIII

                  ADMINISTRATIVE DUTIES OF THE MASTER SERVICER

                  Section 8.01.     ADMINISTRATIVE DUTIES.  (a) DUTIES WITH
RESPECT TO THE INDENTURE. The Master Servicer shall perform all its duties and
the duties of the Issuer under the Indenture. In addition, the Master Servicer
shall consult with the Owner Trustee as the Master Servicer deems appropriate
regarding the duties of the Issuer under the Indenture. The Master Servicer
shall monitor the performance of the Issuer and shall advise the Owner Trustee
when action is necessary to comply with the Issuer's duties under the Indenture.
The Master Servicer shall prepare for execution by the Issuer or shall cause the
preparation by other appropriate Persons of all such documents, reports,
filings, instruments, certificates and opinions as it shall be the duty of the
Issuer to prepare, file or deliver pursuant to the Indenture. In furtherance of
the foregoing, the Master Servicer shall take all necessary action that is the
duty of the Issuer to take pursuant to the Indenture.

                  (b)      DUTIES WITH RESPECT TO THE ISSUER.

                           (i) In addition to the duties of the Master Servicer 
set forth in this Servicing Agreement or any of the Basic Documents, the Master
Servicer shall perform such calculations and shall prepare for execution by the
Issuer or the Owner Trustee or shall cause the preparation by other appropriate
Persons of all such documents, reports, filings, instruments, certificates and
opinions as it shall be the duty of the Issuer or the Owner Trustee to prepare,
file or deliver pursuant to this Servicing Agreement or any of the Basic
Documents or under state and federal tax and securities laws, and at the request
of the Owner Trustee shall take all appropriate action that it is the duty of
the Issuer to take pursuant to this Servicing Agreement or any of the Basic
Documents. In accordance with the directions of the Issuer or the Owner Trustee,
the Master Servicer shall administer, perform or supervise the performance of
such other activities in connection with the Notes (including the Basic
Documents) as are not covered by any of the foregoing provisions and as are
expressly requested by the Issuer or the Owner Trustee and are reasonably within
the capability of the Master Servicer.

                           (ii) Notwithstanding anything in this Servicing
Agreement or any of the Basic Documents to the contrary, the Master Servicer
shall be responsible for promptly notifying the Owner Trustee in the event that
any withholding tax is imposed on the Issuer's payments (or allocations of
income) to an Owner (as defined in the Trust Agreement) as contemplated in
Section 5.03 of the Trust Agreement. Any such notice shall be in writing and
specify the amount of any withholding tax required to be withheld by the Owner
Trustee pursuant to such provision.

                           (iii) In carrying out the foregoing duties or any of
its other obligations under this Servicing Agreement, the Master Servicer may
enter into transactions with or otherwise deal with any of its Affiliates;
PROVIDED, HOWEVER, that the terms of any such transactions or dealings shall be
in accordance with any directions received from the Issuer and shall be, in the
Master Servicer's opinion, no less favorable to the Issuer in any material
respect than with terms made available to unrelated third-parties.


                                      -34-

<PAGE>



                  (c) TAX MATTERS. The Master Servicer shall prepare and file
(or cause to be prepared and filed), on behalf of the Owner Trustee, all tax
returns and information reports, tax elections, financial statements and such
annual or other reports of the Issuer as are necessary for preparation of tax
returns and information reports as provided in Section 5.03 of the Trust
Agreement, including without limitation Form 1099. All tax returns and
information reports shall be signed by the Owner Trustee as provided in Section
5.03 of the Trust Agreement.

                  (d) NON-MINISTERIAL MATTERS. With respect to matters that in
the reasonable judgment of the Master Servicer are non-ministerial, the Master
Servicer shall not take any action pursuant to this Article VIII unless within a
reasonable time before the taking of such action, the Master Servicer shall have
notified the Owner Trustee and the Indenture Trustee of the proposed action and
the Owner Trustee and, with respect to items (A), (B), (C) and (D) below, the
Indenture Trustee shall not have withheld consent or provided an alternative
direction. For the purpose of the preceding sentence, "non-ministerial matters"
shall include:

                           (A) the amendment of or any supplement to the
                  Indenture;

                           (B) the initiation of any claim or lawsuit by the
                  Issuer and the compromise of any action, claim or lawsuit
                  brought by or against the Issuer (other than in connection
                  with the collection of the Mortgage Loans);

                           (C) the amendment, change or modification of this
                  Agreement or any of the Basic Documents;

                           (D) the appointment of successor Certificate Paying
                  Agents and successor Indenture Trustees pursuant to the
                  Indenture or the appointment of successor Servicers or the
                  consent to the assignment by the Certificate Registrar, Paying
                  Agent or Trustee of its obligations under the Indenture; and

                           (E) the removal of the Indenture Trustee.

                  Section 8.02. RECORDS. The Master Servicer shall maintain
appropriate books of account and records relating to services performed under
this Servicing Agreement, which books of account and records shall be accessible
for inspection by the Issuer at any time during normal business hours.

                  Section 8.03. ADDITIONAL INFORMATION TO BE FURNISHED.  The 
Master Servicer shall furnish to the Issuer from time to time such additional
information regarding the Notes as the Issuer shall reasonably request.



                                      -35-

<PAGE>



         IN WITNESS WHEREOF, the Master Servicer and the Issuer have caused this
Servicing Agreement to be duly executed by their respective officers or
representatives all as of the day and
year first above written.

                                       IMPAC FUNDING CORPORATION,
                                         as Master Servicer


                                       By
                                         --------------------------------------
                                         Name: Mary Glass-Schannault
                                         Title:  Senior Vice President


                                       IMPAC SECURED ASSETS CMN TRUST
                                       SERIES 1998-1,
                                            as Issuer

                                       Wilmington Trust Company, not in its
                                        capacity but solely as Owner Trustee


                                       By
                                         --------------------------------------
                                         Name:
                                         Title:



<PAGE>



                                    EXHIBIT A
                             MORTGAGE LOAN SCHEDULE


<PAGE>



                                    EXHIBIT B
                           FORM OF REQUEST FOR RELEASE

DATE:

TO:

RE:REQUEST FOR RELEASE OF DOCUMENTS

In connection with your administration of the Mortgage Loans, we request the
release of the Mortgage File described below.

Servicing Agreement Dated:
Series #:
Account #:
Pool #:
Loan #:
Borrower Name(s):
Reason for Document Request: (circle one)            Mortgage Loan
                                                     Prepaid in Full
                                                     Mortgage Loan Repurchased
Please deliver the Mortgage File to:
                                    --------------------------------------
- --------------------------------------------------------------------------

"We hereby certify that all amounts received or to be received in connection
with such payments which are required to be deposited have been or will be so
deposited as provided in the Servicing Agreement."


- -------------------------------------
[Name of Master Servicer]
Authorized Signature

******************************************************************
TO CUSTODIAN/Indenture Trustee: Please acknowledge this request, and check off
documents being enclosed with a copy of this form. You should retain this form
for your files in accordance with the terms of the Servicing Agreement.

         Enclosed Documents:        [  ]    Promissory Note
                                    [  ]    Mortgage or Deed of Trust
                                    [  ]    Assignment(s) of Mortgage or
                                             Deed of Trust
                                    [  ]    Title Insurance Policy
                                    [  ]    Other:
                                                  ---------------------



- --------------------
Name

- --------------------
Title

                                       B-1


<PAGE>



- --------------------
Date

                                       B-1





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