INSURED MUNICIPALS INCOME TRUST 166TH INSURED MULTI SERIES
487, 1994-10-04
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                                                     File No. 33-55411
                                                           CIK #897393

                   Securities and Exchange Commission
                      Washington, D.C.  20549-1004

                             Amendment No. 1
                                   To
                                Form S-6

For Registration under the Securities Act of 1933 of Securities of Unit
Investment Trusts Registered on Form N-8B-2.

A. Exact Name of Trust:        Insured Municipals Income Trust
                               166th Insured Multi-Series
                               
B. Name of Depositor:          Van Kampen Merritt Inc.
                               
C. Complete address of Depositor's principal executive offices:

                               One Parkview Plaza
                               Oakbrook Terrace, Illinois  60181
                               
D. Name and complete address of agents for service:

   Chapman and Cutler          Van Kampen Merritt Inc.
   Attention:  Mark J. Kneedy  Attention:  John C. Merritt,
   111 W. Monroe Street        Chairman
   Chicago, Illinois  60603    One Parkview Plaza
                               Oakbrook Terrace, Illinois  60181
                               
E. Title and amount of securities being registered: 22,578* Units

F. Proposed maximum offering price to the public of the securities being
registered: ($1020 per Unit**):  $23,029,560

G. Amount of filing fee, computed at one twenty-nineth of 1 percent of
   proposed maximum aggregate offering price to the public:  $7,941.21
   ($351.72 previously paid)
   
H. Approximate date of proposed sale to the public:


         As Soon As Practicable After The Effective Date Of The
                         Registration Statement
____
/  X :/Check box if it is proposed that this filing will become effective
     on October 4, 1994 at 2:00 P.M.
     pursuant to Rule 487.


*  15,052 Units registered for primary distribution.
    7,526 Units registered for resale by Depositor of Units
          previously sold in primary distribution.
**        Estimated solely for the purpose of calculating the
          registration fee.



    Form N-8B-2                              Form S-6
     Item Number                        Heading in Prospectus
                                   --
                    Insured Municipals Income Trust,

                       166th Insured Multi-Series
                                    
                          Cross Reference Sheet

                 Pursuant to Rule 404(c) of Regulation C
                    under the Securities Act of 1933
                                    
               (Form N-8B-2 Items Required by Instruction
                     1 as to Prospectus on Form S-6)

         Form N-8B-2                               Form S-6
         Item Number                         Heading in Prospectus

                   I.  Organization and General Information

1.   (a)  Name of trust)                )
     (b)  Title of securities issued    ) Prospectus Front Cover Page

2.   Name and address of Depositor      ) Introduction
                                        ) Summary of Essential Financial
                                        )   Information
                                        ) Trust Administration

3.   Name and address of Trustee        ) Introduction
                                        ) Summary of Essential Financial
                                        )   Information
                                        ) Trust Administration

4.   Name and address of principal      ) Underwriting
       underwriter                      )

5.   Organization of trust              ) Introduction

6.   Execution and termination of       ) Introduction
       Trust Indenture and Agreement    ) Trust Administration

7.   Changes of Name                    ) *

8.   Fiscal year                        ) *

9.   Material Litigation                ) *


    II.  General Description of the Trust and Securities of the Trust

10.  General information regarding      ) Introduction
       trust's securities and rights    ) Unitholder Explanations
       of security holders              ) Trust Information
                                        ) Trust Administration

11.  Type of securities comprising      ) Introduction
       units                            ) Trust Information
                                        ) Trust Portfolios

12.  Certain information regarding      ) *
       periodic payment certificates    )

13.  (a)  Load, fees, charges and expenses) Introduction
                                        ) Summary of Essential Financial
                                        )   Information
                                        ) Unitholder Explanations
                                          Trust Information
                                          Trust Administration

     (b)  Certain information regarding )
           periodic payment plan        ) *
           certificates                 )

     (c)  Certain percentages           ) Introduction
                                        ) Summary of Essential Financial
                                        )   Information
                                        ) Unitholder Explanations

     (d)  Certain other fees, expenses or)  Unitholder Explanations
            charges payable by holders  ) Trust Administration

     (e)  Certain profits to be received)  Unitholder Explanations
           by depositor, principal      ) Underwriting
           underwriter, trustee or      ) Notes to Portfolios
           affiliated persons           )

     (f)  Ratio of annual charges to income)    *
                                        )

14.  Issuance of trust's securities     ) Unitholder Explanations

15.  Receipt and handling of payments   ) *
       from purchasers                  )

16.  Acquisition and disposition of     ) Introduction
       underlying securities            ) Unitholder Explanations
                                        )  Trust Administration
17.  Withdrawal or redemption           ) Unitholder Explanations
                                        )  Trust Administration
18.  (a)  Receipt and disposition       ) Introduction
           of income                    ) Unitholder Explanations

     (b)  Reinvestment of distributions ) *

     (c)  Reserves or special funds     ) Unitholder Explanations
                                        ) Trust Administration
     (d)  Schedule of distributions     ) *

19.  Records, accounts and reports      ) Unitholder Explanations
       Trust Administration             )

20.  Certain miscellaneous provisions   ) Trust Administration
       of Trust Agreement               )

21.  Loans to security holders          ) *

22.  Limitations on liability           ) Trust Portfolios
                                        ) Trust Administration

23.  Bonding arrangements               ) *

24.  Other material provisions of       ) *
       trust indenture or agreement     )


    III.  Organization, Personnel and Affiliated Persons of Depositor

25.  Organization of Depositor          ) Trust Administration

26.  Fees received by Depositor         ) Trust Administration

27.  Business of Depositor              ) Trust Administration
28.  Certain information as to          )
       officials and affiliated         ) *
       persons of Depositor             )

29.  Companies owning securities of     ) *
       Depositor                        )

30.  Controlling persons of Depositor   ) *

31.  Compensation of Directors          ) *

32.  Compensation of Directors          ) *

33.  Compensation of Employees          ) *

34.  Compensation to other persons      ) Unitholder Explanations


             IV.  Distribution and Redemption of Securities

35.  Distribution of trust's securities Introduction
       by states                        Settlement of Bonds in the Trusts

36.  Suspension of sales of trust's     ) *
       securities                       )

37.  Revocation of authority to distribute)    *

38.  (a)  Method of distribution        )

     (b)  Underwriting agreements       ) Unitholder Explanations

     (c)  Selling agreements            )

39.  (a)  Organization of principal     )
           underwriter                  )
                                        ) Trust Administration
     (b)  N.A.S.D. membership by        )
           principal underwriter        )

40.  Certain fees received by           ) *
       principal underwriter            )

41.  (a)  Business of principal underwriter)    Trust Administration
                                        )

     (b)  Branch offices of principal   ) *
           underwriter                  )

     (c)  Salesmen of principal underwriter)    *
                                        )

42.  Ownership of securities of the trust)  *
                                        )

43.  Certain brokerage commissions      ) *
       received by principal underwriter)

44.  (a)  Method of valuation           ) Introduction
                                        ) Summary of Essential Financial
                                        )   Information
                                        ) Unitholder Explanations
                                        ) Trust Administration

     (b)  Schedule as to offering price ) *

     (c)  Variation in offering price   ) Unitholder Explanations
           to certain persons           )

45.  Suspension of redemption rights    ) *

46.  (a)  Redemption valuation          ) Unitholder Explanations
                                        ) Trust Administration

     (b)  Schedule as to redemption price)  *
                                        )

47.  Purchase and sale of interests     ) Unitholder Explanations
       in underlying securities         ) Trust Administration


           V.  Information Concerning the Trustee or Custodian

48.  Organization and regulation of trustee)    Trust Administration
                                        )

49.  Fees and expenses of trustee       ) Summary of Essential Financial
                                        )   Information
                                        ) Trust Administration

50.  Trustee's lien                     ) Trust Administration


     VI.  Information Concerning Insurance of Holders of Securities

51.  Insurance of holders of trust's    )
       securities                       ) *


                       VII.  Policy of Registrant

52.  (a)  Provisions of trust agreement   ) Trust Administration
           with respect to replacement or )
           elimination of portfolio securities)

     (b)  Transactions involving elimination)
           of underlying securities       ) *

     (c)  Policy regarding substitution or)  Trust Administration
           elimination of underlying securities)

     (d)  Fundamental policy not         ) *
           otherwise covered            )

53.  Tax Status of trust                ) Trust Information
                                        ) Other Matters


              VIII.  Financial and Statistical Information

54.  Trust's securities during last ten years)    *

55.                                     )

56.  Certain information regarding      ) *

57.  periodic payment certificates      )

58.                                     )

59.  Financial statements (Instructions ) Other Matters
       1(c) to Form S-6)                )

_________________________________
* Inapplicable, omitted, answer negative or not required
Information contained herein is subject to completion or amendment.  A
registration statement relating to these securities has been filed with
the Securities and Exchange Commission.  These securities may not be sold
nor may offers to buy be accepted prior to the time the registration
statement becomes effective.  This Prospectus shall not constitute an
offer to sell or the solicitation of an offer to buy nor shall there be
any sale of these securities in any State in which such offer,
solicitation or sale would be unlawful prior to registration or
qualification under the securities laws of any State.

   
October 4, 1994
    
Van Kampen Merritt
   
Insured Municipals Income Trust, 166th Insured Multi-Series


IM-IT 334

California IM-IT Intermediate  
   Laddered Maturity Series 14 

Ohio IM-IT Intermediate
   Laddered Maturity Series 6
    


In the opinion of counsel, interest to the Fund and to Unitholders, with
certain exceptions, is excludable under existing law from gross income for
Federal income taxes. In addition, the interest income of each State Trust is,
in the opinion of counsel, exempt to the extent indicated from state and local
taxes, when held by residents of the state where the issuers of Bonds in such
Trust are located. Capital gains, if any, are subject to Federal tax. 
   
The Fund. The objectives of the Fund are Federal and, in the case of a State
Trust, state tax-exempt income and conservation of capital through an
investment in a diversified portfolio of tax-exempt bonds. The Fund consists
of three underlying separate unit investment trusts designated as Insured
Municipals Income Trust, Series 334 (the "IM-IT"), California IM-IT
Intermediate Laddered Maturity Series 14 (the "California IM-IT
Intermediate Laddered Maturity Trust") and Ohio IM-IT Intermediate
Laddered Maturity Series 6 (the "Ohio IM-IT Intermediate Laddered Maturity
Trust"). The various trusts are collectively referred to herein as the
"Trusts", the California IM-IT Intermediate Laddered Maturity and Ohio
IM-IT Intermediate Laddered Maturity Trusts are sometimes collectively
referred to herein as the "State Trusts", while the IM-IT, California
IM-IT Intermediate Laddered Maturity and Ohio IM-IT Intermediate Laddered
Maturity Trusts are sometimes collectively referred to herein as the "
Insured Trusts"and the California IM-IT Intermediate Laddered Maturity
and Ohio IM-IT Intermediate Laddered Maturity Trusts are sometimes
collectively referred to herein as the "State Intermediate Laddered
Maturity Trusts". Each Trust initially consists of delivery statements
relating to contracts to purchase securities and, thereafter, will consist of
such securities as may continue to be held (the "Bonds"or "
Securities"). Such Securities are interest-bearing obligations issued by
or on behalf of municipalities and other governmental authorities, the
interest on which is, in the opinion of recognized bond counsel to the issuing
governmental authority, exempt from all Federal income taxes under the
existing law. In addition, the interest income of each State Trust is, in the
opinion of counsel, exempt to the extent indicated from state and local taxes,
when held by residents of the state where the issuers of Bonds in such Trust
are located. 

"AAA" Rating for the Insured Trusts. Insurance guaranteeing the
payments of principal and interest, when due, on the Securities in the
portfolio of each Insured Trust has been obtained from a municipal bond
insurance company either by such Trust or by the issuer of the Bonds involved,
by a prior owner of the Bonds or by the Sponsor prior to the deposit of such
Bonds in an Insured Trust. See "Unitholder Explanations--Insurance on the
Bonds in the Insured Trusts"on page 19. Insurance obtained by an Insured
Trust applies only while Bonds are retained in such Trust while insurance
obtained on Preinsured Bonds is effective so long as such Bonds are
outstanding. The Trustee, upon the sale of a Bond insured under an insurance
policy obtained by an Insured Trust, has a right to obtain from the insurer
involved permanent insurance for such Bond upon the payment of a single
predetermined insurance premium and any expenses related thereto from the
proceeds of the sale of such Bond. Insurance relates only to the Bonds in a
Trust and not to the Units offered hereby or to the market value thereof. As a
result of such insurance, the Units of each Insured Trust have received a
rating of "AAA"by Standard & Poor's Corporation. Standard & Poor's
Corporation has indicated that this rating is not a recommendation to buy,
hold or sell Units nor does it take into account the extent to which expenses
of each Insured Trust or sales by each Insured Trust of Bonds for less than
the purchase price paid by such Trust will reduce payments to Unitholders of
the interest and principal required to be paid on such Bonds. See "
Unitholder Explanations--Insurance on the Bonds in the Insured Trusts". No
representation is made as to any insurer's ability to meet its commitments. 

Public Offering Price. The Public Offering Price of the Units of each Trust
during the initial offering period is equal to the aggregate offering price of
the Securities in such Trust's portfolio and cash, if any, in the Principal
Account held or owned by such Trust Fund plus the applicable sales charge plus
Purchased Interest and accrued interest, if any. After the initial public
offering period, the secondary market Public Offering Price of each Trust will
be equal to the aggregate bid price of the Securities in such Trust and cash,
if any, in the Principal Account held or owned by such Trust Fund plus the
applicable sales charge plus Purchased Interest and accrued interest, if any.
Sales charges for the Trusts in the initial market, expressed both as a
percentage of the Public Offering Price (excluding Purchased Interest) and as
a percentage of the aggregate offering price of the Securities, are set forth
in footnote (2) under "Summary of Essential Financial Information".
For sales charges in the secondary market, see "Unitholder
Explanations--Public Offering". If the Securities in each Trust were
available for direct purchase by investors, the purchase price of the
Securities would not include the sales charge included in the Public Offering
Price of the Units. During the initial offering period, the sales charge is
reduced on a graduated scale for sales involving at least 100 Units. If Units
were available for purchase at the close of business on the day before the
Date of Deposit (except for the IM-IT as of 8:00 A.M. Central Time on the Date
of Deposit), the Public Offering Price per Unit would have been that amount
set forth in the "Summary of Essential Financial Information"for each
Trust. See "Unitholder Explanations--Public Offering". 
    
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS
A CRIMINAL OFFENSE.
   

Estimated Current Return and Estimated Long-Term Return. The annual Estimated
Current Return and Estimated Long-Term Return to Unitholders as of the close
of business on the day before the Date of Deposit (except for the IM-IT as of
8:00 A.M. Central Time on the Date of Deposit) were as set forth under "
Per Unit Information"for each Trust. The methods of calculating Estimated
Current Return and Estimated Long-Term Return are set forth in the footnotes
to the "Per Unit Information"for each Trust. 
    
Objectives of The Fund. The objectives of the Fund are income exempt from
Federal income tax and, in the case of a State Trust, Federal and state income
tax (if any) and conservation of capital through an investment in diversified
portfolios of Federal and state tax-exempt obligations. There is, of course,
no guarantee that the Fund will achieve its objectives. The Fund may be an
appropriate investment vehicle for investors who desire to participate in a
portfolio of tax-exempt fixed income securities with greater diversification
than they might be able to acquire individually. In addition, securities of
the type deposited in the Fund are often not available in small amounts. Units
of the Trust are not deposits or obligations of, or guaranteed or endorsed by,
any bank and are not federally insured or otherwise protected by the Federal
Deposit Insurance Corporation, the Federal Reserve Board or any other agency
and involve investment risk, including the possible loss of principal. 

Distributions. Purchasers of Units will receive distributions on a monthly
basis. See "Unitholder Explanations--Settlement of Bonds in the Trusts"
. Record dates will be the first day of each month. Distributions will be made
on the fifteenth day of the month subsequent to the respective record dates. 

Market for Units. Although not obligated to do so, the Sponsor, Van Kampen
Merritt Inc., intends to, and certain of the other Underwriters may, maintain
a secondary market for the Units at prices based upon the aggregate bid prices
of the Securities in the respective Trusts plus Purchased Interest; however,
during the initial offering period such prices will be based upon the
aggregate offering prices of the Securities plus Purchased Interest. If such a
market is not maintained and no other over-the-counter market is available, a
Unitholder will be able to dispose of his Units only through redemption at
prices based upon the bid prices of the underlying Securities plus Purchased
Interest (see "Unitholder Explanations--Public Offering--Redemption of
Units"and "Unitholder Explanations--Public Offering--Market for
Units"). 

Reinvestment Option. Unitholders have the opportunity to have their
distributions reinvested into an open-end, management investment company as
described herein. See "Unitholder Explanations--Public
Offering--Reinvestment Option".

Risk Factors. An investment in the Trusts should be made with an understanding
of the risks associated therewith, including, among other factors, the
inability of the issuer or an insurer to pay the principal of or interest on a
bond when due, volatile interest rates, early call provisions, and changes to
the tax status of the Bonds. See "Unitholder Explanations--Settlement of
Bonds in the Trusts--Risk Factors".
   
<TABLE>
INSURED MUNICIPALS INCOME TRUST
166th INSURED MULTI-SERIES
Summary of Essential Financial Information
At the Close of Business on the day before the Date of Deposit:  October 3, 1994
           (except for the IM-IT as of 8:00 A.M. Central Time on the Date of Deposit: October 4, 1994)            
Sponsor:   Van Kampen Merritt Inc.         
Evaluator: American Portfolio Evaluation Services                    
           (A division of a subsidiary of the Sponsor)
Trustee:   The Bank of New York

<CAPTION>
                                                                                         California IM-IT  Ohio IM-IT   
                                                                                         Intermediate  Intermediate 
                                                                                         Laddered      Laddered     
GENERAL INFORMATION                                                        IM-IT         Maturity Trust Maturity Trust
<S>                                                                        <C>           <C>           <C>          
Principal Amount (Par Value) of Securities in Trust....................... $   9,085,000 $   3,000,000 $   3,000,000
Number of Units...........................................................         9,052         3,000         3,000
Fractional Undivided Interest in the Trust per Unit.......................       1/9,052       1/3,000       1/3,000
Principal Amount (Par Value) of Securities per Unit <F1>.................. $    1,003.65 $    1,000.00 $    1,000.00
Public Offering Price: ...................................................                                          
 Aggregate Offering Price of Securities in Portfolio...................... $   8,520,892 $   2,950,279 $   2,968,076
 Aggregate Offering Price of Securities per Unit.......................... $      941.33 $      983.43 $      989.36
 Sales Charge <F2>........................................................ $       48.49 $       30.40 $       30.59
 Purchased Interest <F3>.................................................. $      92,111 $      24,886 $      21,745
 Purchased Interest per Unit <F3>......................................... $       10.18 $        8.30 $        7.25
 Public Offering Price per Unit <F3>...................................... $     1000.00 $    1,022.13 $    1,027.20
Redemption Price per Unit, including Purchased Interest <F3>.............. $      943.77 $      983.84 $      989.06
Secondary Market Repurchase Price per Unit, including                                                               
 Purchased Interest <F3>.................................................. $      951.51 $      991.73 $      996.61
Excess of Public Offering Price per Unit Over Redemption Price per Unit... $       56.23 $       38.29 $       38.14
Excess of Sponsor's Initial Repurchase Price per Unit Over Redemption                                               
 Price per Unit........................................................... $        7.74 $        7.89 $        7.55
Minimum Value of the Trust under which Trust Agreement may be                                                       
 terminated............................................................... $   1,817,000 $     600,000 $     600,000
</TABLE>

<TABLE>
<CAPTION>
<S>                                     <C>      
Minimum Principal Distribution..........$1.00 per Unit 
First Settlement Date...................October 12, 1994                             
Evaluator's Annual Supervisory Fee......Maximum of $0.25 per Unit                 
Evaluator's Annual Evaluation Fee<F4>...$0.30 per $1,000 principal amount of Bonds   


Evaluations for purpose of sale, purchase or redemption of Units are made as
of 4:00 P.M. Eastern time on days of trading on the New York Stock Exchange
next following receipt of an order for a sale or purchase of Units or receipt
by The Bank of New York of Units tendered for redemption.
 
<FN>
<F1>Many unit investment trusts comprised of municipal securities issue a 
number of units such that each unit represents approximately $1,000 principal 
amount of underlying securities. The Sponsor, on the other hand, in 
determining the number of Units for each Trust, other than IM-IT Limited 
Maturity, IM-IT Intermediate, State Intermediate Laddered Maturity and IM-IT 
Short Intermediate Trusts, has elected not to follow this format but rather to
provide that number of Units which will establish as close as possible as of
the Date of Deposit a Public Offering Price per Unit of $1,000. For IM-IT
Limited Maturity, IM-IT Intermediate, State Intermediate Laddered Maturity and
IM-IT Short Intermediate Trusts, on the other hand, each unit represents
$1,000 principal amount of underlying securities in such Trust on the Date of
Deposit. 

<F2>Sales charges for the Trusts, expressed as a percentage of the Public 
Offering Price per Unit (excluding Purchased Interest) and in parenthesis as 
a percentage of the aggregate offering price of the Securities, are as 
follows: an IM-IT or a State Trust (other than a State Intermediate Laddered 
Maturity Trust) - 4.9% (5.152%); an IM-IT Limited Maturity Trust - 4.3% 
(4.493%); an IM-IT Intermediate Trust - 3.9% (4.058%); an IM-IT Short 
Intermediate Trust or a State Intermediate Laddered Maturity Trust - 3.0% 
(3.093%). 
    
<F3>Purchased Interest is a portion of the unpaid interest that has accrued
on the Bonds from the later of the last payment date on the Bonds or the 
date of issuance thereof through the First Settlement Date and is included
in the calculation of the Public Offering Price. Purchased Interest will be
distributed to Unitholders as Units are redeemed or Securities mature or are
called. Anyone ordering Units for settlement after the First Settlement Date
will pay accrued interest from such date to the date of settlement (normally
five business days after order) less distributions from the Interest Account
subsequent to the First Settlement Date. For purchases settling on the First
Settlement Date, no accrued interest will be added to the Public Offering
Price other than the Purchased Interest already included therein. After the
initial offering period, the Sponsor's Repurchase Price per Unit will be
determined as described under the caption "Public Offering--Market for
Units."

<F4>Such fee is based on the outstanding principal amount of Securities in 
each Trust on the Date of Deposit for the first year and as of the close of
business on January 1 for each year thereafter.
</TABLE>

SETTLEMENT OF BONDS IN THE TRUSTS 
   
The Fund. Insured Municipals Income Trust, 166th Insured Multi-Series (the
"Fund"), was created under the laws of the State of New York pursuant
to a Trust Indenture and Agreement (the "Trust Agreement"), dated the
Date of Deposit, among Van Kampen Merritt Inc., as Sponsor, American Portfolio
Evaluation Services, a division of Van Kampen Merritt Investment Advisory
Corp., as Evaluator, and The Bank of New York, as Trustee. 

The Fund consists of three separate portfolios of delivery statements relating
to contracts to purchase interest-bearing obligations issued by or on behalf
of states and territories of the United States, and political subdivisions and
authorities thereof, the interest on which is, in the opinion of recognized
bond counsel to the issuing authorities, excludable from gross income for
Federal income tax under existing law. All issuers of Securities in a State
Trust are located in the State for which such Trust is named or in United
States territories or possessions and their public authorities; consequently,
in the opinion of recognized bond counsel to such State issuers, the related
interest earned on such Securities is exempt to the extent indicated from
state and local taxes of such State. With the exception of the New York and
Pennsylvania Trusts, Units of such Trusts may be purchased only by residents
of the State for which such Trust is named. Units of a New York Trust may be
purchased by residents of New York, Connecticut, Florida and Massachusetts.
Units of a Pennsylvania Trust may be purchased by residents of Pennsylvania,
Connecticut, Florida, Maryland, New York, Ohio and West Virginia. Offerees in
the States of Indiana, Virginia and Washington may purchase Units of the IM-IT
only. On the Date of Deposit, the Sponsor deposited with the Trustee the
aggregate principal amount of Securities in each Trust as indicated under "
General Information--Principal Amount (Par Value) of Securities in Trust"
in the "Summary of Essential Financial Information". Such Securities
consist of delivery statements relating to contracts for the purchase of
certain interest-bearing obligations and cash, cash equivalents and/or
irrevocable letters of credit issued by a financial institution in the amount
required for such purchases. Thereafter, the Trustee, in exchange for the
Securities so deposited, delivered to the Sponsor the certificates evidencing
the ownership of the number of Units in each Trust as indicated under "
Summary of Essential Financial Information."Unless otherwise terminated
as provided herein, the Trust Agreement for any IM-IT or State Trust (other
than a State Intermediate Laddered Maturity Trust) will terminate at the end
of the calendar year prior to the fiftieth anniversary of its execution, and
the Trust Agreement for any IM-IT Limited Maturity Trust, IM-IT Intermediate
Trust, State Intermediate Laddered Maturity Trust or IM-IT Short Intermediate
Trust will terminate at the end of the calendar year prior to the twentieth
anniversary of its execution. 

The portfolio of any IM-IT or State Trust (other than a State Intermediate
Laddered Maturity Trust) consists of Bonds maturing approximately 15 to 40
years from the Date of Deposit. The approximate range of maturities from the
Date of Deposit for Bonds in any IM-IT Limited Maturity Trust, IM-IT
Intermediate Trust, State Intermediate Laddered Maturity Trust and IM-IT Short
Intermediate Trust is 12 to 15 years, 5 to 15 years, 5 to 10 years and 3 to 7
years, respectively. The dollar-weighted average maturity of the Bonds in any
IM-IT Intermediate Trust, State Intermediate Laddered Maturity Trust and IM-IT
Short Intermediate Trust is less than or equal to 10 years, 10 years and 5
years, respectively. 

The portfolio of any State Intermediate Laddered Maturity Trust is structured
so that approximately 20% of the Bonds contained in such portfolio will mature
each year, commencing in approximately the fifth year of the Trust, entitling
each Unitholder to a return of principal. This return of principal may offer
Unitholders the opportunity to respond to changing economic conditions and to
specific financial needs that may arise between the fifth and tenth years of a
State Intermediate Laddered Maturity Trust. However, the flexibility provided
by the return of principal may at the same time eliminate a Unitholder's
ability to reinvest the amount returned at a rate as high as the implicit
yield on the obligations which matured. 
    
Certain of the Bonds in certain of the Trusts may be "zero coupon"
bonds. See footnote (6) in "Notes to Portfolios". Zero coupon bonds
are purchased at a deep discount because the buyer receives only the right to
receive a final payment at the maturity of the bond and does not receive any
periodic interest payments. The effect of owning deep discount bonds which do
not make current interest payments (such as the zero coupon bonds) is that a
fixed yield is earned not only on the original investment but also, in effect,
on all discount earned during the life of such obligation. This implicit
reinvestment of earnings at the same rate eliminates the risk of being unable
to reinvest the income on such obligation at a rate as high as the implicit
yield on the discount obligation, but at the same time eliminates the holder's
ability to reinvest at higher rates in the future. For this reason, zero
coupon bonds are subject to substantially greater price fluctuations during
periods of changing market interest rates than are securities of comparable
quality which pay interest. 

Certain of the Bonds in certain of the Trusts may have been purchased on a
"when, as and if issued"or "delayed delivery"basis. See
footnote (5) in "Notes to Portfolios". The delivery of any such
Securities may be delayed or may not occur. Interest on these Securities
begins accruing to the benefit of Unitholders on their respective dates of
delivery. To the extent any Securities are actually delivered to the Fund
after their respective expected dates of delivery, Unitholders who purchase
their Units prior to the date such Securities are actually delivered to the
Trustee would be required to adjust their tax basis in their Units for a
portion of the interest accruing on such Securities during the interval
between their purchase of Units and the actual delivery of such Securities. As
a result of any such adjustment, the Estimated Current Returns during the
first year would be slightly lower than those stated herein which would be the
returns after the first year, assuming the portfolio of a Trust and estimated
annual expenses other than that of the Trustee (which may be reduced in the
first year only) do not vary from that set forth under "Per Unit
Information"for the applicable Trust. Holders of the Units will be "
at risk"with respect to all Securities in the portfolios including "
when, as and if issued"and "delayed delivery"Securities (i.e.,
may derive either gain or loss from fluctuations in the evaluation of such
Securities) from the date they commit for Units. For a discussion of the
Sponsor's obligations in the event of the failure of any contract for the
purchase of any of the Securities and limited right to substitute other
tax-exempt bonds to replace any failed contract, see "Replacement
Bonds"below. 

Each Unit initially offered represents the fractional undivided interest in
the principal and net income of a Trust indicated under "Summary of
Essential Financial Information". To the extent that any Units are
redeemed by the Trustee, the fractional undivided interest in a Trust
represented by each unredeemed Unit will increase, although the actual
interest in such Trust represented by such fraction will remain unchanged.
Units will remain outstanding until redeemed upon tender to the Trustee by
Unitholders, which may include the Sponsor or the Underwriters, or until the
termination of the Trust Agreement. 
   
Objectives and Securities Selection. The objectives of the Fund are income
exempt from Federal income taxation and, in the case of a State Trust, Federal
and state income taxation and conservation of capital through an investment in
diversified portfolios of Federal and state tax-exempt obligations. A State
Intermediate Laddered Maturity Trust has additional objectives of providing
protection against changes in interest rates and investment flexibility
through an investment in a laddered portfolio of intermediate-term
interest-bearing obligations with maturities ranging from approximately 5 to
10 years in which roughly 20% of the obligations contained in such portfolio
will mature each year commencing in approximately the fifth year of the Trust.
There is, of course, no guarantee that the Trusts will achieve their
respective objectives. The Fund may be an appropriate investment vehicle for
investors who desire to participate in a portfolio of tax-exempt fixed income
securities with greater diversification than they might be able to acquire
individually. In addition, securities of the type deposited in the Fund are
often not available in small amounts. 
    
Insurance guaranteeing the timely payment, when due, of all principal and
interest on the Bonds in each Insured Trust has been obtained by such Trust
from either AMBAC Indemnity Corporation ("AMBAC Indemnity"), Financial
Guaranty Insurance Company ("Financial Guaranty"or "FGIC") or
a combination thereof (collectively, the "Portfolio Insurers"), or by
the issuer of such Bonds, by a prior owner of such Bonds, or by the Sponsor
prior to the deposit of such Bonds in such Trust from (1) AMBAC Indemnity or
one of its subsidiaries, American Municipal Bond Assurance Corporation ("
AMBAC") or MGIC Indemnity Corporation ("MGIC Indemnity"), (2)
Financial Guaranty, (3) Municipal Bond Investors Assurance Corporation ("
MBIA"), (4) Bond Investors Guaranty Insurance Company ("BIG"), (5)
National Union Fire Insurance Company of Pittsburgh, PA. ("National
Union"), (6) Capital Guaranty Insurance Company ("Capital Guaranty"
), (7) Capital Markets Assurance Corporation ("CapMAC") and/or (8)
Financial Security Assurance Inc. ("Financial Security"or "
FSA") (collectively, the "Preinsured Bond Insurers") (see "
Unitholder Explanations--Insurance on the Bonds in the Insured Trusts").
Insurance obtained by an Insured Trust is effective only while the Bonds thus
insured are held in such Trust. The Trustee has the right to acquire permanent
insurance from a Portfolio Insurer with respect to each Bond insured by the
respective Portfolio Insurer under a Trust portfolio insurance policy.
Insurance relating to Bonds insured by the issuer, by a prior owner of such
Bonds or by the Sponsor is effective so long as such Bonds are outstanding.
Bonds insured under a policy of insurance obtained by the issuer, by a prior
owner of such Bonds or by the Sponsor from one of the Preinsured Bond Insurers
(the "Preinsured Bonds") are not additionally insured by an Insured
Trust. No representation is made as to any insurer's ability to meet its
commitments. 

Neither the Public Offering Price nor any evaluation of Units for purposes of
repurchases or redemptions reflects any element of value for the insurance
obtained by an Insured Trust, if any, unless Bonds are in default in payment
of principal or interest or in significant risk of such default. See "
Unitholder Explanations--Public Offering--Offering Price". On the other
hand, the value, if any, of Preinsured Bond insurance is reflected and
included in the market value of such Bonds. 

In order for bonds to be eligible for insurance, they must have credit
characteristics which would qualify them for at least the Standard & Poor's
Corporation rating of "BBB-"or at least the Moody's Investors
Service, Inc. rating of "Baa", which in brief represent the lowest
ratings for securities of investment grade (see "Other
Matters--Description of Securities Ratings"). Insurance is not a
substitute for the basic credit of an issuer, but supplements the existing
credit and provides additional security therefor. If an issue is accepted for
insurance, a non-cancellable policy for the prompt payment of interest and
principal on the bonds, when due, is issued by the insurer. Any premium or
premiums relating to Preinsured Bond insurance is paid by the issuer, by a
prior owner of such Bonds or by the Sponsor and a monthly premium is paid by
an Insured Trust for the portfolio insurance, if any, obtained by such Trust.
The Trustee has the right to obtain permanent insurance from a Portfolio
Insurer in connection with the sale of a Bond insured under the insurance
policy obtained from the respective Portfolio Insurer by an Insured Trust upon
the payment of a single predetermined insurance premium from the proceeds of
the sale of such Bond. Accordingly, any Bond in an Insured Trust is eligible
to be sold on an insured basis. All Bonds insured by the Portfolio Insurers
and the Preinsured Bond Insurers receive a "AAA"rating by Standard &
Poor's Corporation. See "Unitholder Explanations--Insurance on the Bonds
in the Insured Trusts". 

In selecting Securities for the Trusts the following facts, among others, were
considered by the Sponsor: (a) either the Standard & Poor's Corporation rating
of the Securities was in no case less than "BBB-"in the case of the
Insured Trusts, or the Moody's Investors Service, Inc. rating of the
Securities was in no case less than "Baa"in the case of the Insured
Trusts, including provisional or conditional ratings, respectively, or, if not
rated, the Securities had, in the opinion of the Sponsor, credit
characteristics sufficiently similar to the credit characteristics of
interest-bearing tax-exempt obligations that were so rated as to be acceptable
for acquisition by the Fund (see "Other Matters--Description of Securities
Ratings"), (b) the prices of the Securities relative to other bonds of
comparable quality and maturity, (c) the diversification of Securities as to
purpose of issue and location of issuer and (d) with respect to the Insured
Trusts, the availability and cost of insurance for the prompt payment of
principal and interest, when due, on the Securities. Subsequent to the Date of
Deposit, a Security may cease to be rated or its rating may be reduced below
the minimum required as of the Date of Deposit. Neither event requires
elimination of such Security from the portfolio of a Trust but may be
considered in the Sponsor's determination as to whether or not to direct the
Trustee to dispose of the Security (see "Trust Administration--Fund
Administration and Expenses--Portfolio Administration"). 

To the best knowledge of the Sponsor, there is no litigation pending as of the
Date of Deposit in respect of any Securities which might reasonably be
expected to have a material adverse effect upon the Fund or any of the Trusts.
At any time after the Date of Deposit, litigation may be initiated on a
variety of grounds with respect to Securities in the Fund. Such litigation,
as, for example, suits challenging the issuance of pollution control revenue
bonds under environmental protection statutes, may affect the validity of such
Securities or the tax-free nature of the interest thereon. While the outcome
of litigation of such nature can never be entirely predicted, the Fund has
received or will receive opinions of bond counsel to the issuing authorities
of each Security on the date of issuance to the effect that such Securities
have been validly issued and that the interest thereon is exempt from Federal
income tax. In addition, other factors may arise from time to time which
potentially may impair the ability of issuers to meet obligations undertaken
with respect to the Securities. 

Risk Factors. Certain of the Bonds in certain of the Trusts may be general
obligations of a governmental entity that are backed by the taxing power of
such entity. In view of this an investment in such a Trust should be made with
an understanding of the characteristics of such issuers and the risks which
such an investment may entail. All other Bonds in the Trusts are revenue bonds
payable from the income of a specific project or authority and are not
supported by the issuer's power to levy taxes. General obligation bonds are
secured by the issuer's pledge of its faith, credit and taxing power for the
payment of principal and interest. Revenue bonds, on the other hand, are
payable only from the revenues derived from a particular facility or class of
facilities or, in some cases, from the proceeds of a special excise tax or
other specific revenue source. There are, of course, variations in the
security of the different Bonds in the Fund, both within a particular
classification and between classifications, depending on numerous factors. See
"General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be obligations which derive
their payments from mortgage loans. Certain of such housing bonds may be FHA
insured or may be single family mortgage revenue bonds issued for the purpose
of acquiring from originating financial institutions notes secured by
mortgages on residences located within the issuer's boundaries and owned by
persons of low or moderate income. In view of this an investment in such a
Trust should be made with an understanding of the characteristics of such
issuers and the risks which such an investment may entail. Mortgage loans are
generally partially or completely prepaid prior to their final maturities as a
result of events such as sale of the mortgaged premises, default, condemnation
or casualty loss. Because these bonds are subject to extraordinary mandatory
redemption in whole or in part from such prepayments of mortgage loans, a
substantial portion of such bonds will probably be redeemed prior to their
scheduled maturities or even prior to their ordinary call dates. Extraordinary
mandatory redemption without premium could also result from the failure of the
originating financial institutions to make mortgage loans in sufficient
amounts within a specified time period. Additionally, unusually high rates of
default on the underlying mortgage loans may reduce revenues available for the
payment of principal of or interest on such mortgage revenue bonds. These
bonds were issued under Section 103A of the Internal Revenue Code, which
Section contains certain requirements relating to the use of the proceeds of
such bonds in order for the interest on such bonds to retain its tax-exempt
status. In each case the issuer of the bonds has covenanted to comply with
applicable requirements and bond counsel to such issuer has issued an opinion
that the interest on the bonds is exempt from Federal income tax under
existing laws and regulations. Certain issuers of housing bonds have
considered various ways to redeem bonds they have issued prior to the stated
first redemption dates for such bonds. In connection with the housing bonds
held by the Fund, the Sponsor at the Date of Deposit is not aware that any of
the respective issuers of such Bonds are actively considering the redemption
of such Bonds prior to their respective stated initial call dates. See "
General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be health care revenue
bonds. In view of this an investment in such a Trust should be made with an
understanding of the characteristics of such issuers and the risks which such
an investment may entail. Ratings of bonds issued for health care facilities
are often based on feasibility studies that contain projections of occupancy
levels, revenues and expenses. A facility's gross receipts and net income
available for debt service may be affected by future events and conditions
including, among other things, demand for services and the ability of the
facility to provide the services required, physicians' confidence in the
facility, management capabilities, competition with other health care
facilities, efforts by insurers and governmental agencies to limit rates,
legislation establishing state rate-setting agencies, expenses, the cost and
possible unavailability of malpractice insurance, the funding of Medicare,
Medicaid and other similar third party payor programs, government regulation
and the termination or restriction of governmental financial assistance,
including that associated with Medicare, Medicaid and other similar third
party payor programs. Pursuant to recent Federal legislation, Medicare
reimbursements are currently calculated on a prospective basis utilizing a
single nationwide schedule of rates. Prior to such legislation Medicare
reimbursements were based on the actual costs incurred by the health facility.
The current legislation may adversely affect reimbursements to hospitals and
other facilities for services provided under the Medicare program. Such
adverse changes also may adversely affect the ratings of Securities held in
the portfolios of the Fund; however, because of the insurance obtained by each
of the Insured Trusts, the "AAA"rating of the Units of each of the
Insured Trusts would not be affected. See "General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be obligations of public
utility issuers, including those selling wholesale and retail electric power
and gas. In view of this an investment in such a Trust should be made with an
understanding of the characteristics of such issuers and the risks which such
an investment may entail. General problems of such issuers would include the
difficulty in financing large construction programs in an inflationary period,
the limitations on operations and increased costs and delays attributable to
environmental considerations, the difficulty of the capital market in
absorbing utility debt, the difficulty in obtaining fuel at reasonable prices
and the effect of energy conservation. All of such issuers have been
experiencing certain of these problems in varying degrees. In addition,
Federal, state and municipal governmental authorities may from time to time
review existing, and impose additional, regulations governing the licensing,
construction and operation of nuclear power plants, which may adversely affect
the ability of the issuers of certain of the Bonds in the portfolio to make
payments of principal and/or interest on such Bonds. See "General"for
each Trust. 

Certain of the Bonds in certain of the Trusts may be obligations of issuers
whose revenues are derived from the sale of water and/or sewerage services. In
view of this an investment in such a Trust should be made with an
understanding of the characteristics of such issuers and the risks which such
an investment may entail. Such Bonds are generally payable from user fees. The
problems of such issuers include the ability to obtain timely and adequate
rate increases, population decline resulting in decreased user fees, the
difficulty of financing large construction programs, the limitations on
operations and increased costs and delays attributable to environmental
considerations, the increasing difficulty of obtaining or discovering new
supplies of fresh water, the effect of conservation programs and the impact of
"no-growth"zoning ordinances. All of such issuers have been
experiencing certain of these problems in varying degrees. See "
General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be industrial revenue bonds
("IRBs"). In view of this an investment in such a Trust should be made
with an understanding of the characteristics of such issuers and the risks
which such an investment may entail. IRBs have generally been issued under
bond resolutions pursuant to which the revenues and receipts payable under the
arrangements with the operator of a particular project have been assigned and
pledged to purchasers. In some cases, a mortgage on the underlying project may
have been granted as security for the IRBs. Regardless of the structure,
payment of IRBs is solely dependent upon the creditworthiness of the corporate
operator of the project or corporate guarantor. Corporate operators or
guarantors may be affected by many factors which may have an adverse impact on
the credit quality of the particular company or industry. These include
cyclicality of revenues and earnings, regulatory and environmental
restrictions, litigation resulting from accidents or environmentally-caused
illnesses, extensive competition and financial deterioration resulting from a
corporate restructuring pursuant to a leveraged buy-out, takeover or
otherwise. Such a restructuring may result in the operator of a project
becoming highly leveraged which may impact on such operator's creditworthiness
which in turn would have an adverse impact on the rating and/or market value
of such Bonds. Further, the possibility of such a restructuring may have an
adverse impact on the market for and consequently the value of such Bonds,
even though no actual takeover or other action is ever contemplated or
effected. See "General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be obligations that are
secured by lease payments of a governmental entity (hereinafter called "
lease obligations"). Lease obligations are often in the form of
certificates of participation. In view of this an investment in such a Trust
should be made with an understanding of the characteristics of such issuers
and the risks which such an investment may entail. Although the lease
obligations do not constitute general obligations of the municipality for
which the municipality's taxing power is pledged, a lease obligation is
ordinarily backed by the municipality's covenant to appropriate for and make
the payments due under the lease obligation. However, certain lease
obligations contain "non-appropriation"clauses which provide that the
municipality has no obligation to make lease payments in future years unless
money is appropriated for such purpose on a yearly basis. A governmental
entity that enters into such a lease agreement cannot obligate future
governments to appropriate for and make lease payments but covenants to take
such action as is necessary to include any lease payments due in its budgets
and to make the appropriations therefor. A governmental entity's failure to
appropriate for and to make payments under its lease obligation could result
in insufficient funds available for payment of the obligations secured
thereby. Although "non-appropriation"lease obligations are secured by
the leased property, disposition of the property in the event of foreclosure
might prove difficult. See "General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be obligations of issuers
which are, or which govern the operation of, schools, colleges and
universities and whose revenues are derived mainly from ad valorem taxes or
for higher education systems, from tuition, dormitory revenues, grants and
endowments. In view of this an investment in such a Trust should be made with
an understanding of the characteristics of such issuers and the risks which
such an investment may entail. General problems relating to school bonds
include litigation contesting the State constitutionality of financing public
education in part from ad valorem taxes, thereby creating a disparity in
educational funds available to schools in wealthy areas and schools in poor
areas. Litigation or legislation on this issue may affect the sources of funds
available for the payment of school bonds in the Trusts. General problems
relating to college and university obligations include the prospect of a
declining percentage of the population consisting of "college"age
individuals, possible inability to raise tuitions and fees sufficiently to
cover increased operating costs, the uncertainty of continued receipt of
Federal grants and state funding, and government legislation or regulations
which may adversely affect the revenues or costs of such issuers. All of such
issuers have been experiencing certain of these problems in varying degrees.
See "General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be obligations which are
payable from and secured by revenues derived from the ownership and operation
of facilities such as airports, bridges, turnpikes, port authorities,
convention centers and arenas. In view of this an investment in such a Trust
should be made with an understanding of the characteristics of such issuers
and the risks which such an investment may entail. The major portion of an
airport's gross operating income is generally derived from fees received from
signatory airlines pursuant to use agreements which consist of annual payments
for leases, occupancy of certain terminal space and service fees. Airport
operating income may therefore be affected by the ability of the airlines to
meet their obligations under the use agreements. The air transport industry is
experiencing significant variations in earnings and traffic, due to increased
competition, excess capacity, increased costs, deregulation, traffic
constraints and other factors, and several airlines are experiencing severe
financial difficulties. The Sponsor cannot predict what effect these industry
conditions may have on airport revenues which are dependent for payment on the
financial condition of the airlines and their usage of the particular airport
facility. Similarly, payment on Bonds related to other facilities is dependent
on revenues from the projects, such as user fees from ports, tolls on
turnpikes and bridges and rents from buildings. Therefore, payment may be
adversely affected by reduction in revenues due to such factors as increased
cost of maintenance, decreased use of a facility, lower cost of alternative
modes of transportation, scarcity of fuel and reduction or loss of rents. See
"General"for each Trust. 

Certain of the Bonds in certain of the Trusts may be obligations which are
payable from and secured by revenues derived from the operation of resource
recovery facilities. In view of this an investment in such a Trust should be
made with an understanding of the characteristics of such issuers and the
risks which such an investment may entail. Resource recovery facilities are
designed to process solid waste, generate steam and convert steam to
electricity. Resource recovery bonds may be subject to extraordinary optional
redemption at par upon the occurrence of certain circumstances, including but
not limited to: destruction or condemnation of a project; contracts relating
to a project becoming void, unenforceable or impossible to perform; changes in
the economic availability of raw materials, operating supplies or facilities
necessary for the operation of a project or technological or other unavoidable
changes adversely affecting the operation of a project; administrative or
judicial actions which render contracts relating to the projects void,
unenforceable or impossible to perform; or impose unreasonable burdens or
excessive liabilities. The Sponsor cannot predict the causes or likelihood of
the redemption of resource recovery bonds in such a Trust prior to the stated
maturity of the Bonds. See "General"for each Trust. 

Replacement Bonds. Because certain of the Securities in the Fund may from time
to time under certain circumstances be sold or redeemed or will mature in
accordance with their terms and because the proceeds from such events will be
distributed to Unitholders and will not be reinvested, no assurance can be
given that any Trust will retain for any length of time its present size and
composition. Neither the Sponsor nor the Trustee shall be liable in any way
for any default, failure or defect in any Security. In the event of a failure
to deliver any Security that has been purchased for the Fund under a contract,
including those Securities purchased on a "when, as and if issued"
basis ("Failed Bonds"), the Sponsor is authorized under the Trust
Agreement to direct the Trustee to acquire other bonds ("Replacement
Bonds") to make up the original corpus of the Fund. 
   
The Replacement Bonds must be purchased within 20 days after delivery of the
notice of the failed contract and the purchase price (exclusive of accrued
interest) may not exceed the amount of funds reserved for the purchase of the
Failed Bonds. The Replacement Bonds (i) must be tax-exempt bonds issued by
states or territories of the United States or political subdivisions thereof
and, in the case of replacement of bonds in a State Trust, shall have the
benefit of an exemption from state taxation of interest to an extent equal to
or greater than that of the bonds they replace, (ii) must have a fixed
maturity date of at least 10 years in the case of an IM-IT or a State Trust
(other than a State Intermediate Laddered Maturity Trust) or, in the case of
an IM-IT Limited Maturity, IM-IT Intermediate, State Intermediate Laddered
Maturity or IM-IT Short Intermediate Trust, must have a fixed maturity date
within the range set forth under "Unitholder Explanations--Settlement of
Bonds in the Trusts--The Fund", (iii) must be purchased at a price that
results in a yield to maturity and in a current return, in each case as of the
Date of Deposit, at least equal to that of the Failed Bonds, (iv) shall not be
"when, as and if issued"bonds, (v) must be rated "BBB-"or
better in the case of the Insured Trusts by Standard & Poor's Corporation or
"Baa"or better in the case of the Insured Trusts by Moody's Investors
Service, Inc. and (vi) with respect to each Insured Trust, must be insured by
one of the Preinsured Bond Insurers or be eligible for (and when acquired be
insured under) the insurance obtained by such Insured Trust. Whenever a
Replacement Bond has been acquired for the Fund, the Trustee shall, within
five days thereafter, notify all Unitholders of the affected Trust of the
acquisition of the Replacement Bond and shall, on the next monthly
distribution date which is more than 30 days thereafter, make a pro rata
distribution of the amount, if any, by which the cost to the affected Trust of
the Failed Bond exceeded the cost of the Replacement Bond plus accrued
interest. Once the original corpus of a Trust is acquired, the Trustee will
have no power to vary the investment of the Trust; i.e., the Trust will have
no managerial power to take advantage of market variation to improve a
Unitholder's investment. 
    
If the right of limited substitution described in the preceding paragraph
shall not be utilized to acquire Replacement Bonds in the event of a failed
contract, the Sponsor will refund the sales charge attributable to such Failed
Bonds to all Unitholders of the affected Trust and distribute the principal,
Purchased Interest and accrued interest (at the coupon rate of such Failed
Bonds to the date the Failed Bonds are removed from the Fund) attributable to
such Failed Bonds not more than 30 days after such removal or such earlier
time as the Trustee in its sole discretion deems to be in the interest of the
Unitholders. All such interest paid to a Unitholder which accrued after the
expected date of settlement for purchase of his Units will be paid by the
Sponsor and accordingly will not be treated as tax-exempt income. In the event
a Replacement Bond should not be acquired by the Fund, the Estimated Net
Annual Interest Income per Unit for the affected Trust would be reduced and
the Estimated Current Return and Estimated Long-Term Return thereon might be
lowered. In addition, Unitholders should be aware that they may not be able at
the time of receipt of such principal to reinvest such proceeds in other
securities at a yield equal to or in excess of the yield which such proceeds
were earning to Unitholders in the affected Trust. 

Bond Redemptions. Certain of the Bonds in certain of the Trusts may be subject
to redemption prior to their stated maturity date pursuant to sinking fund
provisions, call provisions or extraordinary optional or mandatory redemption
provisions or otherwise. A sinking fund is a reserve fund accumulated over a
period of time for retirement of debt. A callable debt obligation is one which
is subject to redemption or refunding prior to maturity at the option of the
issuer. A refunding is a method by which a debt obligation is redeemed, at or
before maturity, by the proceeds of a new debt obligation. In general, call
provisions are more likely to be exercised when the offering side valuation is
at a premium over par than when it is at a discount from par. The exercise of
redemption or call provisions will (except to the extent the proceeds of the
called Bonds are used to pay for Unit redemptions) result in the distribution
of principal and may result in a reduction in the amount of subsequent
interest distributions; it may also affect the current return on Units of the
Trust involved. Each Trust portfolio contains a listing of the sinking fund
and call provisions, if any, with respect to each of the debt obligations.
Extraordinary optional redemptions and mandatory redemptions result from the
happening of certain events. Generally, events that may permit the
extraordinary optional redemption of Bonds or may require the mandatory
redemption of Bonds include, among others: a final determination that the
interest on the Bonds is taxable; the substantial damage or destruction by
fire or other casualty of the project for which the proceeds of the Bonds were
used; an exercise by a local, state or Federal governmental unit of its power
of eminent domain to take all or substantially all of the project for which
the proceeds of the Bonds were used; changes in the economic availability of
raw materials, operating supplies or facilities or technological or other
changes which render the operation of the project for which the proceeds of
the Bonds were used uneconomic; changes in law or an administrative or
judicial decree which renders the performance of the agreement under which the
proceeds of the Bonds were made available to finance the project impossible or
which creates unreasonable burdens or which imposes excessive liabilities,
such as taxes, not imposed on the date the Bonds are issued on the issuer of
the Bonds or the user of the proceeds of the Bonds; an administrative or
judicial decree which requires the cessation of a substantial part of the
operations of the project financed with the proceeds of the Bonds; an
overestimate of the costs of the project to be financed with the proceeds of
the Bonds resulting in excess proceeds of the Bonds which may be applied to
redeem Bonds; or an underestimate of a source of funds securing the Bonds
resulting in excess funds which may be applied to redeem Bonds. The issuer of
certain Bonds in a Trust may have sold or reserved the right to sell, upon the
satisfaction of certain conditions, to third parties all or any portion of its
rights to call Bonds in accordance with the stated redemption provisions of
such Bonds. In such a case the issuer no longer has the right to call the
Bonds for redemption unless it reacquires the rights from such third party. A
third party pursuant to these rights may exercise the redemption provisions
with respect to a Bond at a time when the issuer of the Bond might not have
called a Bond for redemption had it not sold such rights. The Sponsor is
unable to predict all of the circumstances which may result in such redemption
of an issue of Bonds. See "Portfolio"for each Trust and footnote (3)
in the "Notes to Portfolios". See also the discussion of single family
mortgage and multi-family revenue bonds above for more information on the call
provisions of such bonds. 

Distributions. Distributions of interest received by the Fund, pro rated on an
annual basis, will be made monthly. The first such distribution will be in the
amount indicated under "Per Unit Information"for the applicable Trust
and will be made on the fifteenth day of the month indicated under "
Initial Distribution"therein to Unitholders of record on the first day of
such month. Distribution of funds from the Principal Account, if any, will
also be made monthly, except under certain special circumstances (see "
Unitholder Explanations--Public Offering--Distributions of Interest and
Principal"). 

Certificates. The Trustee is authorized to treat as the record owner of Units
that person who is registered as such owner on the books of the Trustee.
Ownership of Units of each Trust is evidenced by separate registered
certificates executed by the Trustee and the Sponsor. Certificates are
transferable by presentation and surrender to the Trustee properly endorsed or
accompanied by a written instrument or instruments of transfer. A Unitholder
must sign exactly as his name appears on the face of the certificate with the
signature guaranteed by a participant in the Securities Transfer Agents
Medallion Program ("STAMP") or such other signature guaranty program
in addition to, or in substitution for, STAMP, as may be accepted by the
Trustee. In certain instances the Trustee may require additional documents
such as, but not limited to, trust instruments, certificates of death,
appointments as executor or administrator or certificates of corporate
authority. Certificates will be issued in denominations of one Unit or any
multiple thereof. 

Although no such charge is now made or contemplated, the Trustee may require a
Unitholder to pay a reasonable fee for each certificate re-issued (other than
as a result of a change in plan of distribution) or transferred and to pay any
governmental charge that may be imposed in connection with each such transfer
or interchange. Destroyed, stolen, mutilated or lost certificates will be
replaced upon delivery to the Trustee of satisfactory indemnity, evidence of
ownership and payment of expenses incurred. Mutilated certificates must be
surrendered to the Trustee for replacement. 

ESTIMATED CURRENT RETURNS AND ESTIMATED LONG-TERM RETURNS
   
As of the close of business on the day before the Date of Deposit (except for
the IM-IT as of 8:00 A.M. Central Time on the Date of Deposit) the Estimated
Current Return and the Estimated Long-Term Return were as set forth in the
"Per Unit Information"for each Trust. Estimated Current Return is
calculated by dividing the estimated net annual interest income per Unit by
the Public Offering Price. The estimated net annual interest income per Unit
will vary with changes in fees and expenses of the Trustee and the Evaluator
and with the principal prepayment, redemption, maturity, exchange or sale of
Securities while the Public Offering Price will vary with changes in the
offering price of the underlying Securities and with changes in the Purchased
Interest; therefore, there is no assurance that the present Estimated Current
Return will be realized in the future. Estimated Long-Term Return is
calculated using a formula which (1) takes into consideration, and determines
and factors in the relative weightings of, the market values, yields (which
takes into account the amortization of premiums and the accretion of
discounts) and estimated retirements of all of the Securities in a Trust and
(2) takes into account the expenses and sales charge associated with each
Trust Unit. Since the market values and estimated retirements of the
Securities and the expenses of a Trust will change, there is no assurance that
the present Estimated Long-Term Return will be realized in the future. The
Estimated Current Return and Estimated Long-Term Return are expected to differ
because the calculation of Estimated Long-Term Return reflects the estimated
date and amount of principal returned while the Estimated Current Return
calculation includes only net annual interest income and Public Offering
Price. 
    
In order to acquire certain of the Securities contracted for by the Sponsor
for deposit in the Fund, it may be necessary for the Sponsor or Trustee to pay
on the settlement dates for delivery of such Securities amounts covering
accrued interest on such Securities which exceed (1) the amounts paid by
Unitholders and (2) the amounts which will be made available through cash
furnished by the Sponsor on the Date of Deposit, which amount of cash may
exceed the interest which would accrue to the First Settlement Date. The
Trustee has agreed to pay for any amounts necessary to cover any such excess
and will be reimbursed therefor, without interest, when funds become available
from interest payments on the particular Securities with respect to which such
payments may have been made. Also, since interest on any "when, as and if
issued"Securities does not begin accruing as tax-exempt interest income
to the benefit of Unitholders until their respective dates of delivery, the
Trustee may, in order to maintain (or in some cases approach) for the
Unitholders the same estimated net annual interest incomes during the first
year of the Trusts' operations as is indicated under "Per Unit
Information"for the applicable Trust, reduce its fee (and to the extent
necessary pay Trust expenses) in an amount equal to that indicated under "
Per Unit Information"for the applicable Trust. 

INTEREST EARNING SCHEDULE 

Calculation of Estimated Net Annual Interest Income. The estimated net annual
interest income is based on 360 days. To account for the estimated net annual
interest income per Unit in a Trust, it is necessary to use the following
information. 
   
The beginning interest date for each Trust is October 12, 1994. The first
record date for each Trust (November 1, 1994) is 19 days from such date. The
daily rates of estimated net annual interest income per Unit are $.16452,
$.13247 and $.13531 for the IM-IT, California IM-IT Intermediate Laddered
Maturity and Ohio IM-IT Intermediate Laddered Maturity Trusts, respectively.
This amounts to $3.13, $2.52 and $2.57 for the IM-IT, California IM-IT
Intermediate Laddered Maturity and Ohio IM-IT Intermediate Laddered Maturity
Trusts, respectively. 

Utilizing the preceding information, the following procedure illustrates the
calculation of first year estimated net annual interest income per Unit for
the IM-IT: 



The IM-IT accrues 

$3.13 to the first record date plus 

$49.40 which is 10 normal distributions at $4.94, and finally adding 

$6.69 which has accrued from September 1, 1995 until October 12, 1995 which
completes the 360 day cycle (41 days times the daily factor) 

Total $59.22 interest earned /$1,000.00 (Date of Deposit Public Offering
Price) = 5.92% Estimated Current Return as of the Date of Deposit. 
    
PURCHASED AND ACCRUED INTEREST 

Purchased Interest. Purchased Interest is a portion of the unpaid interest
that has accrued on the Securities from the later of the last payment date on
the Securities or the date of issuance thereof through the First Settlement
Date and is included in the calculation of the Public Offering Price.
Purchased Interest will be distributed to Unitholders as Units are redeemed or
Securities mature or are called. See "Summary of Essential Financial
Information"for the amount of Purchased Interest per Unit for each Trust.
Purchased Interest is an element of the price Unitholders will receive in
connection with the sale or redemption of Units prior to the termination of
the Trust. 

Accrued Interest. Accrued interest is an accumulation of unpaid interest on
securities which generally is paid semi-annually, although the Trust accrues
such interest daily. Because of this, the Trust always has an amount of
interest earned but not yet collected by the Trustee. For this reason, with
respect to sales settling subsequent to the First Settlement Date, the Public
Offering Price of Units will have added to it the proportionate share of
accrued interest to the date of settlement. Unitholders will receive on the
next distribution date of the Trust the amount, if any, of accrued interest
paid on their Units. 

As indicated in "Purchased Interest", accrued interest as of the First
Settlement Date includes Purchased Interest. In an effort to reduce the amount
of Purchased Interest which would otherwise have to be paid by Unitholders,
the Trustee may advance a portion of such accrued interest to the Sponsor as
the Unitholder of record as of the First Settlement Date. Consequently, the
amount of accrued interest to be added to the Public Offering Price of Units
will include only accrued interest from the First Settlement Date to the date
of settlement (other than the Purchased Interest already included therein),
less any distributions from the Interest Account subsequent to the First
Settlement Date. See "Public Offering--Distributions of Interest and
Principal."

Because of the varying interest payment dates of the Securities, accrued
interest at any point in time will be greater than the amount of interest
actually received by a Trust and distributed to Unitholders. If a Unitholder
sells or redeems all or a portion of his Units, he will be entitled to receive
his proportionate share of the Purchased Interest and accrued interest from
the purchaser of his Units. Since the Trustee has the use of the funds
(including Purchased Interest) held in the Interest Account for distributions
to Unitholders and since such Account is non-interest-bearing to Unitholders,
the Trustee benefits thereby. 

PUBLIC OFFERING 
   
General. Units are offered at the Public Offering Price which includes
Purchased Interest. During the initial offering period the Public Offering
Price is based on the offering prices of the Securities in each Trust and
includes a sales charge of 4.9% of the Public Offering Price (excluding
Purchased Interest) (5.152% of the aggregate offering price of the Securities)
for an IM-IT or a State Trust (other than a State Intermediate Laddered
Maturity Trust), 4.3% of the Public Offering Price (excluding Purchased
Interest) (4.493% of the aggregate offering price of the Securities) for an
IM-IT Limited Maturity Trust, 3.9% of the Public Offering Price (excluding
Purchased Interest) (4.058% of the aggregate offering price of the Securities)
for an IM-IT Intermediate Trust and 3.0% of the Public Offering Price
(excluding Purchased Interest) (3.093% of the aggregate offering price of the
Securities) for an IM-IT Short Intermediate Trust or a State Intermediate
Laddered Maturity Trust. After the initial public offering period, the
secondary market Public Offering Price is based on the bid prices of the
Securities in each Trust and includes a sales charge determined in accordance
with the table set forth below, which is based upon the dollar weighted
average maturity of each Trust plus in each case Purchased Interest and
accrued interest, if any. For purposes of computation, Bonds will be deemed to
mature on their expressed maturity dates unless: (a) the Bonds have been
called for redemption or funds or securities have been placed in escrow to
redeem them on an earlier call date, in which case such call date will be
deemed to be the date upon which they mature; or (b) such Bonds are subject to
a "mandatory tender", in which case such mandatory tender will be
deemed to be the date upon which they mature. 
    
The effect of this method of sales charge computation will be that different
sales charge rates will be applied to each Trust based upon the dollar
weighted average maturity of such Trust's Portfolio, in accordance with the
following schedule: 



<TABLE>
<CAPTION>                                         
Years To Maturity    Sales Charge  Years To Maturity    Sales Charge                             
<S>                  <C>           <C>                  <C>       
1                       1.523%      9                      4.712%
2                       2.041      10                      4.932  
3                       2.564      11                      4.932  
4                       3.199      12                      4.932  
5                       3.842      13                      5.374  
6                       4.058      14                      5.374  
7                       4.275      15                      5.374  
8                       4.493      16 to 30                6.045  
</TABLE>




The sales charges in the above table are expressed as a percentage of the
aggregate bid prices of the Securities in a Trust. Expressed as a percent of
the Public Offering Price (excluding Purchased Interest), the sales charge on
a Trust consisting entirely of a portfolio of Bonds with 15 years to maturity
would be 5.10%. The sales charge applicable to quantity purchases during the
initial offering period is, however, reduced on a graduated basis to any
person acquiring 100 or more Units as follows: 


   
<TABLE>
<CAPTION>
                       Dollar Amount of Sales 
                       Charge Reduction Per Unit 
                       IM-IT,                 
                       State                 
                       (other                 
                       than a State             
                       Intermediate             
                       Laddered Maturity             
Aggregate Number of    Trust)                 
Units Purchased        and National             
                       Quality Trusts         Other Trusts 
<S>                    <C>                    <C> 
100-249 Units......... $    4.00              $    4.00  
250-499 Units......... $    6.00              $    6.00  
500-999 Units......... $   14.00              $    9.00  
1,000 or more Units... $   19.00              $   11.00  
</TABLE>
    



Any such reduced sales charge shall be the responsibility of the selling
Underwriter, broker, dealer or agent. The Sponsor will, however, increase the
concession or agency commission for such quantity purchases. See "Public
Offering--Unit Distribution". This reduced sales charge structure will
apply on all purchases by the same person from any one Underwriter or dealer
of units of Van Kampen Merritt-sponsored unit investment trusts which are
being offered in the initial offering period (a) on any one day (the "
Initial Purchase Date") or (b) on any day subsequent to the Initial
Purchase Date, if (1) the units purchased are of a unit investment trust
purchased on the Initial Purchase Date, and (2) the person purchasing the
units purchased a sufficient amount of units on the Initial Purchase Date to
qualify for a reduced sales charge on such date. In the event units of more
than one trust are purchased on the Initial Purchase Date, the aggregate
dollar amount of such purchases will be used to determine whether purchasers
are eligible for a reduced sales charge. Such aggregate dollar amount will be
divided by the public offering price per unit (on the day preceding the date
of purchase) of each respective trust purchased to determine the total number
of units which such amount could have purchased of each individual trust.
Purchasers must then consult the applicable trust's prospectus to determine
whether the total number of units which could have been purchased of a
specific trust would have qualified for a reduced sales charge and, if so
qualified, the amount of such reduction. Assuming a purchaser qualifies for a
sales charge reduction or reductions, to determine the applicable sales charge
reduction or reductions it is necessary to accumulate all purchases made on
the Initial Purchase Date and all purchases made in accordance with (b) above.
Units purchased in the name of the spouse of a purchaser or in the name of a
child of such purchaser under 21 years of age will be deemed for the purposes
of calculating the applicable sales charge to be additional purchases by the
purchaser. The reduced sales charges will also be applicable to a trustee or
other fiduciary purchasing securities for one or more trust estate or
fiduciary accounts. Employees of Van Kampen Merritt Inc. and its subsidiaries
may purchase Units of the Trust at the current Public Offering Price less the
underwriting commission during the initial offering period, and less the
dealer's concession for secondary market transactions. Registered
representatives of selling Underwriters may purchase Units of the Fund at the
current Public Offering Price less the underwriting commission during the
initial offering period, and less the dealer's concession for secondary market
transactions. Registered representatives of selling brokers, dealers, or
agents may purchase Units of the Fund at the current Public Offering Price
less the dealer's concession during the initial offering period and for
secondary market transactions. 

Offering Price. Public Offering Price of the Units will vary from the amounts
stated under "Summary of Essential Financial Information"in
accordance with fluctuations in the prices of the underlying Securities in
each Trust. 
   
As indicated above, the price of the Units as of the date the Securities were
deposited in each Trust was determined by adding to the aggregate offering
price of the Securities of a Trust an amount equal to the applicable sales
charge expressed as a percentage of the aggregate offering price of the
Securities plus Purchased Interest and dividing the sum so obtained by the
number of Units outstanding. This computation produced a gross underwriting
commission equal to such sales charge expressed as a percentage of the Public
Offering Price (excluding Purchased Interest). Such price determination as of
the close of business on the day before the Date of Deposit (except for the
IM-IT as of 8:00 A.M. Central Time on the Date of Deposit) was made on the
basis of an evaluation of the Securities in each Trust prepared by Interactive
Data Services, Inc., a firm regularly engaged in the business of evaluating,
quoting or appraising comparable securities. After the close of business on
the day before the Date of Deposit (except for the IM-IT as of 8:00 A.M.
Central Time on the Date of Deposit) and during the period of initial
offering, the Evaluator will appraise or cause to be appraised daily the value
of the underlying Securities of each Trust as of 4:00 P.M. Eastern time on
days the New York Stock Exchange is open for business and will adjust the
Public Offering Price of the Units commensurate with such appraisal. Such
Public Offering Price will be effective for all orders received at or prior to
4:00 P.M. Eastern time on each such day. Orders received by the Trustee,
Sponsor or any Underwriter for purchases, sales or redemptions after that
time, or on a day when the New York Stock Exchange is closed, will be held
until the next determination of price. For secondary market sales the Public
Offering Price per Unit will be equal to the aggregate bid price of the
Securities in the Trust plus an amount equal to the applicable secondary
market sales charge expressed as a percentage of the aggregate bid price of
the Securities plus Purchased Interest and dividing the sum so attained by the
number of Units then outstanding. This computation produces a gross commission
equal to such sales charge expressed as a percentage of the Public Offering
Price (excluding Purchased Interest). For secondary market purposes such
appraisal and adjustment with respect to a Trust will be made by the Evaluator
as of 4:00 P.M. Eastern time on days in which the New York Stock Exchange is
open for each day on which any Unit of such Trust is tendered for redemption,
and it shall determine the aggregate value of any Trust as of 4:00 P.M.
Eastern time on such other days as may be necessary. 
    
The aggregate price of the Securities in each Trust has been and will be
determined on the basis of bid prices or offering prices, as is appropriate,
(a) on the basis of current market prices for the Securities obtained from
dealers or brokers who customarily deal in bonds comparable to those held by
the Fund; (b) if such prices are not available for any particular Securities,
on the basis of current market prices for comparable bonds; (c) by causing the
value of the Securities to be determined by others engaged in the practice of
evaluation, quoting or appraising comparable bonds; or (d) by any combination
of the above. Market prices of the Securities will generally fluctuate with
changes in market interest rates. Unless Bonds are in default in payment of
principal or interest or in significant risk of such default, the Evaluator
will not attribute any value to the insurance obtained by an Insured Trust, if
any. 

The Evaluator will consider in its evaluation of Bonds which are in default in
payment of principal or interest or, in the Sponsor's opinion, in significant
risk of such default (the "Defaulted Bonds") the value of the
insurance guaranteeing interest and principal payments. The value of the
insurance will be equal to the difference between (i) the market value of
Defaulted Bonds assuming the exercise of the right to obtain Permanent
Insurance (less the insurance premiums and related expenses attributable to
the purchase of Permanent Insurance) and (ii) the market value of such
Defaulted Bonds not covered by Permanent Insurance. In addition, the Evaluator
will consider the ability of the affected Portfolio Insurer to meet its
commitments under any Trust insurance policy, including the commitments to
issue Permanent Insurance. It is the position of the Sponsor that this is a
fair method of valuing the Bonds and the insurance obtained by an Insured
Trust and reflects a proper valuation method in accordance with the provisions
of the Investment Company Act of 1940. 

No value has been ascribed to insurance obtained by an Insured Trust, if any,
as of the date of this Prospectus. 

The initial or primary Public Offering Price of the Units is equal to the
offering price per Unit of the underlying Securities in each Trust plus the
applicable sales charge plus Purchased Interest and interest accrued but
unpaid from the First Settlement Date to the date of settlement. The secondary
market Public Offering Price is equal to the bid price per Unit of the
Securities in each Trust plus the applicable sales charge plus Purchased
Interest and accrued interest. The offering price of Securities in each Trust
may be expected to average approximately 0.5%-1% more than the bid price of
such Securities. On the Date of Deposit, the offering side evaluations of the
Securities in the Trusts were higher than the bid side evaluations of such
Securities by the respective amounts indicated under footnote (5) in "
Notes to Portfolios". 

Although payment is normally made five business days following the order for
purchase, payment may be made prior thereto. A person will become the owner of
Units on the date of settlement provided payment has been received. Cash, if
any, made available to the Sponsor prior to the date of settlement for the
purchase of Units may be used in the Sponsor's business and may be deemed to
be a benefit to the Sponsor, subject to the limitations of the Securities
Exchange Act of 1934. Delivery of certificates representing Units so ordered
will be made five business days following such order or shortly thereafter.
See "Redemption of Units"below for information regarding the ability
to redeem Units ordered for purchase. 

Market for Units. During the initial public offering period, the Sponsor
and/or certain of the Underwriters intend to offer to purchase Units at a
price equivalent to the Public Offering Price which is based upon the
aggregate offering price per Unit of the underlying Securities in each Trust
and the amount of Purchased Interest for each Trust plus accrued interest to
the date of settlement less the related sales commission. Afterward, although
they are not obligated to do so, the Sponsor intends to, and certain of the
other Underwriters may, maintain a market for the Units offered hereby and to
offer continuously to purchase such Units at prices, subject to change at any
time, based upon the aggregate bid prices of the Securities in the portfolio
of each Trust plus Purchased Interest plus interest accrued to the date of
settlement and plus any principal cash on hand, less any amounts representing
taxes or other governmental charges payable out of the Trust and less any
accrued Trust expenses. If the supply of Units exceeds demand or if some other
business reason warrants it, the Sponsor and/or the Underwriters may either
discontinue all purchases of Units or discontinue purchases of Units at such
prices. In the event that a market is not maintained for the Units and the
Unitholder cannot find another purchaser, a Unitholder of any Trust desiring
to dispose of his Units may be able to dispose of such Units only by tendering
them to the Trustee for redemption at the Redemption Price, which is based
upon the aggregate bid price of the Securities in the portfolio of such Trust
plus Purchased Interest and any accrued interest. The aggregate bid prices of
the underlying Securities in a Trust are expected to be less than the related
aggregate offering prices. See "Redemption of Units"below. A
Unitholder who wishes to dispose of his Units should inquire of his broker as
to current market prices in order to determine whether there is in existence
any price in excess of the Redemption Price and, if so, the amount thereof. 

Distributions of Interest and Principal. Interest received by the Fund,
including that part of the proceeds of any disposition of Securities which
represents Purchased Interest and/or accrued interest, is credited by the
Trustee to the Interest Account for the appropriate Trust. Other receipts are
credited to the Principal Account for the appropriate Trust. Interest received
by the Fund after deduction of amounts sufficient to reimburse the Trustee,
without interest, for any amounts advanced and paid to the Sponsor as the
Unitholder of record as of the First Settlement Date (see "Public
Offering--Offering Price"above) will be distributed on or shortly after
the fifteenth day of each month on a pro rata basis to Unitholders of record
of a Trust as of the preceding record date who are entitled to distributions
at that time. All distributions will be net of applicable expenses. The pro
rata share of cash in the Principal Account of a Trust will be computed as of
the date set forth under "Per Unit Information"for the applicable
Trust, and thereafter as of the record date, and distributions to the
Unitholders as of such record date will be made on or shortly after the
fifteenth day of such month. Proceeds received from the disposition of any of
the Securities after such record date and prior to the following distribution
date will be held in the Principal Account and not distributed until the next
distribution date. The Trustee is not required to pay interest on funds held
in any Principal or Interest Account (but may itself earn interest thereon and
therefore benefits from the use of such funds) nor to make a distribution from
the Principal Account unless the amount available for distribution therein
shall equal at least $1.00 per Unit. 

The distribution to the Unitholders of a Trust as of each record date after
the First Settlement Date will be made on the following distribution date or
shortly thereafter and shall consist of an amount substantially equal to such
portion of the Unitholder's pro rata share of the estimated net Annual
interest Income in the Interest Account of such Trust after deducting
estimated expenses. Because interest payments are not received by the Fund at
a constant rate throughout the year, such interest distribution may be more or
less than the amount credited to such Interest Account as of the record date.
For the purpose of minimizing fluctuations in the distributions from an
Interest Account, the Trustee is authorized to advance such amounts as may be
necessary to provide interest distributions of approximately equal amounts.
The Trustee shall be reimbursed, without interest, for any such advances from
funds in the applicable Interest Account on the ensuing record date. Persons
who purchase Units between a record date and a distribution date will receive
their first distribution on the second distribution date after the purchase. 

As of the first day of each month, the Trustee will deduct from the Interest
Account and, to the extent funds are not sufficient therein, from the
Principal Account, amounts necessary to pay the expenses of the Fund (as
determined on the basis set forth under "Trust Administration--Fund
Administration and Expenses"). The Trustee also may withdraw from said
Accounts such amounts, if any, as it deems necessary to establish a reserve
for any governmental charges payable out of the Fund. Amounts so withdrawn
shall not be considered a part of the Fund's assets until such time as the
Trustee shall return all or any part of such amounts to the appropriate
Accounts. In addition, the Trustee may withdraw from the Interest and
Principal Accounts such amounts as may be necessary to cover purchases of
Replacement Bonds and redemptions of Units by the Trustee. 

Reinvestment Option. Unitholders of all unit investment trusts sponsored by
Van Kampen Merritt Inc. (except Unitholders of a New York IM-IT Trust or a New
York IM-IT Intermediate Laddered Maturity Trust), may elect to have each
distribution of interest income, capital gains and/or principal on their Units
automatically reinvested in shares of any of the open ended mutual funds
(except for B shares) listed under "Trust Administration--Sponsor"
which are registered in the Unitholder's state of residence. New York IM-IT
Trust and New York IM-IT Intermediate Laddered Maturity Trust Unitholders,
other than those residing in the Commonwealth of Massachusetts, may elect to
have each distribution of interest income, capital gains and/or principal on
their Units automatically reinvested in shares of First Investors New York
Insured Tax Free Fund, Inc., a fund which invests primarily in securities
exempt from federal and New York state and city income tax. Such mutual funds
are hereinafter collectively referred to as the "Reinvestment Funds". 

Each Reinvestment Fund has investment objectives which differ in certain
respects from those of the Trusts. The prospectus relating to each
Reinvestment Fund describes the investment policies of such fund and sets
forth the procedures to follow to commence reinvestment. A Unitholder may
obtain a prospectus for the respective Reinvestment Funds from Van Kampen
Merritt Inc. at One Parkview Plaza, Oakbrook Terrace, Illinois 60181. Texas
residents who desire to reinvest may request that a broker-dealer registered
in Texas send the prospectus relating to the respective fund. 

After becoming a participant in a reinvestment plan, each distribution of
interest income, capital gains and/or principal on the participant's Units
will, on the applicable distribution date, automatically be applied, as
directed by such person, as of such distribution date by the Trustee to
purchase shares (or fractions thereof) of the applicable Reinvestment Fund at
a net asset value as computed as of the close of trading on the New York Stock
Exchange on such date, plus a sales charge of $1.00 per $100 of reinvestment
except if the participant selects the First Investors New York Insured Tax
Free Fund, Inc., in which case the sales charge will be $1.50 per $100 of
reinvestment, or except if the participant selects the Van Kampen Merritt
Money Market Fund or the Van Kampen Merritt Tax Free Money Fund in which case
no sales charge applies. A minimum of one-half of such sales charge would be
paid to Van Kampen Merritt Inc. for all Reinvestment Funds except First
Investors New York Insured Tax Free Fund, Inc., in which case such sales
charge would be paid to First Investors Management Company, Inc. 

Confirmations of all reinvestments by a Unitholder into a Reinvestment Fund
will be mailed to the Unitholder by such Reinvestment Fund. 

A participant may at any time prior to five days preceding the next succeeding
distribution date, by so notifying the Trustee in writing, elect to terminate
his or her reinvestment plan and receive future distributions of his or her
Units in cash. There will be no charge or other penalty for such termination.
Each Reinvestment Fund, its sponsor and investment adviser shall have the
right to terminate at any time the reinvestment plan relating to such fund. 

Redemption of Units. A Unitholder may redeem all or a portion of his Units by
tender to the Trustee, at its Unit Investment Trust Division, 101 Barclay
Street, 20th Floor, New York, New York 10286, of the certificates representing
the Units to be redeemed, duly endorsed or accompanied by proper instruments
of transfer with signature guaranteed (or by providing satisfactory indemnity,
as in connection with lost, stolen or destroyed certificates) and by payment
of applicable governmental charges, if any. Thus, redemption of Units cannot
be effected until certificates representing such Units have been delivered to
the person seeking redemption or satisfactory indemnity provided. No
redemption fee will be charged. On the seventh calendar day following such
tender, or if the seventh calendar day is not a business day, on the first
business day prior thereto, the Unitholder will be entitled to receive in cash
an amount for each Unit equal to the Redemption Price per Unit next computed
after receipt by the Trustee of such tender of Units. The "date of
tender"is deemed to be the date on which Units are received by the
Trustee, except that as regards Units received after 4:00 P.M. Eastern time on
days of trading on the New York Stock Exchange, the date of tender is the next
day on which such Exchange is open for trading and such Units will be deemed
to have been tendered to the Trustee on such day for redemption at the
Redemption Price computed on that day. 

Under regulations issued by the Internal Revenue Service, the Trustee will be
required to withhold a specified percentage of the principal amount of a Unit
redemption if the Trustee has not been furnished the redeeming Unitholder's
tax identification number in the manner required by such regulations. Any
amount so withheld is transmitted to the Internal Revenue Service and may be
recovered by the Unitholder only when filing a return. Under normal
circumstances the Trustee obtains the Unitholder's tax identification number
from the selling broker. However, at any time a Unitholder elects to tender
Units for redemption, such Unitholder should provide a tax identification
number to the Trustee in order to avoid this possible "back-up
withholding"in the event the Trustee has not been previously provided
such number. 

Purchased Interest and accrued interest paid on redemption shall be withdrawn
from the Interest Account of such Trust or, if the balance therein is
insufficient, from the Principal Account of such Trust. All other amounts will
be withdrawn from the Principal Account of such Trust. The Trustee is
empowered to sell underlying Securities of a Trust in order to make funds
available for redemption. Units so redeemed shall be cancelled. 

The Redemption Price per Unit (as well as the secondary market Public Offering
Price) will be determined on the basis of the bid price of the Securities in
each Trust, while the initial and primary Public Offering Price of Units will
be determined on the basis of the offering price of the Securities in each
Trust, as of 4:00 P.M. Eastern time on days of trading on the New York Stock
Exchange on the date any such determination is made. On the Date of Deposit
the Public Offering Price per Unit (which is based on the offering prices of
the Bonds and Purchased Interest in each Trust and includes the sales charge)
exceeded the value at which Units could have been redeemed (based upon the
current bid prices of the Securities and Purchased Interest in such Trust) by
the amount shown under "Summary of Essential Financial Information".
While the Trustee has the power to determine the Redemption Price per Unit
when Units are tendered for redemption, such authority has been delegated to
the Evaluator which determines the price per Unit on a daily basis. The
Redemption Price per Unit is the pro rata share of each Unit in each Trust on
the basis of (i) the cash on hand in such Trust or moneys in the process of
being collected, (ii) the value of the Securities in such Trust based on the
bid prices of the Securities therein, except for cases in which the value of
insurance has been included, (iii) Purchased Interest for each Trust and (iv)
interest accrued thereon, less (a) amounts representing taxes or other
governmental charges payable out of such Trust and (b) the accrued expenses of
such Trust. The Evaluator may determine the value of the Securities in each
Trust by employing any of the methods set forth in "Public
Offering--Offering Price". In determining the Redemption Price per Unit no
value will be assigned to the portfolio insurance maintained on the Bonds in
an Insured Trust unless such Bonds are in default in payment of principal or
interest or in significant risk of such default. For a description of the
situations in which the Evaluator may value the insurance obtained by the
Insured Trusts, see "Public Offering--Offering Price"above. 

The price at which Units may be redeemed could be less than the price paid by
the Unitholder and may be less than the par value of the Securities
represented by the Units so redeemed. As stated above, the Trustee may sell
Securities to cover redemptions. When Securities are sold, the size and
diversity of the affected Trust will be reduced. Such sales may be required at
a time when Securities would not otherwise be sold and might result in lower
prices than might otherwise be realized. 

The right of redemption may be suspended and payment postponed for any period
during which the New York Stock Exchange is closed, other than for customary
weekend and holiday closings, or during which the Securities and Exchange
Commission determines that trading on that Exchange is restricted or an
emergency exists, as a result of which disposal or evaluation of the
Securities in the Trusts is not reasonably practicable, or for such other
periods as the Securities and Exchange Commission may by order permit. Under
certain extreme circumstances the Sponsor may apply to the Securities and
Exchange Commission for an order permitting a full or partial suspension of
the right of Unitholders to redeem their Units. 

Reports Provided. The Trustee shall furnish Unitholders of a Trust in
connection with each distribution a statement of the amount of interest and
the amount of other receipts (received since the preceding distribution), if
any, being distributed expressed in each case as a dollar amount representing
the pro rata share of each Unit of a Trust outstanding. For as long as the
Trustee deems it to be in the best interests of the Unitholders, the accounts
of each Trust shall be audited, not less frequently than annually, by
independent certified public accountants and the report of such accountants
shall be furnished by the Trustee to Unitholders of such Trusts upon request.
Within a reasonable period of time after the end of each calendar year, the
Trustee shall furnish to each person who at any time during the calendar year
was a registered Unitholder of a Trust a statement (i) as to the Interest
Account: interest received (including amounts representing interest received
upon any disposition of Securities) and the percentage of such interest by
states in which the issuers of the Securities are located, the amount of
Purchased Interest, deductions for applicable taxes and for fees and expenses
of such Trust, for purchases of Replacement Bonds and for redemptions of
Units, if any, and the balance remaining after such distributions and
deductions, expressed in each case both as a total dollar amount and as a
dollar amount representing the pro rata share of each Unit outstanding on the
last business day of such calendar year; (ii) as to the Principal Account: the
dates of disposition of any Securities and the net proceeds received therefrom
(excluding any portion representing accrued interest), the amount paid for
purchases of Replacement Bonds and for redemptions of Units, if any,
deductions for payment of applicable taxes and fees and expenses of the
Trustee, the amount of "when issued"interest treated as a return of
capital, if any, and the balance remaining after such distributions and
deductions expressed both as a total dollar amount and as a dollar amount
representing the pro rata share of each Unit outstanding on the last business
day of such calendar year; (iii) a list of the Securities held and the number
of Units outstanding on the last business day of such calendar year; (iv) the
Redemption Price per Unit based upon the last computation thereof made during
such calendar year; and (v) amounts actually distributed during such calendar
year from the Interest and Principal Accounts, separately stated, expressed
both as total dollar amounts and as dollar amounts representing the pro rata
share of each Unit outstanding. 

In order to comply with Federal and state tax reporting requirements,
Unitholders will be furnished, upon request to the Trustee, evaluations of the
Securities in a Trust furnished to it by the Evaluator. 

INSURANCE ON THE BONDS IN THE INSURED TRUSTS 

Insurance has been obtained by each Insured Trust or by the issuer of such
Bonds, or by a prior owner of such Bonds, or by the Sponsor prior to the
deposit of such Bonds in a Trust guaranteeing prompt payment of interest and
principal, when due, in respect of the Bonds in such Trust. See "
Unitholder Explanations--Settlement of Bonds in the Trusts--Objectives and
Securities Selection". An insurance policy obtained by an Insured Trust,
if any, is non-cancellable and will continue in force so long as such Trust is
in existence, the respective Portfolio Insurer referred to below is still in
business and the Bonds described in such policy continue to be held by such
Trust (see "Portfolio"for the respective Insured Trust). Any
portfolio insurance premium for an Insured Trust, which is an obligation of
such Trust, is paid by each Trust on a monthly basis. Non-payment of premiums
on a policy obtained by an Insured Trust will not result in the cancellation
of insurance but will force the insurer to take action against the Trustee to
recover premium payments due it. The Trustee in turn will be entitled to
recover such payments from such Trust. Premium rates for each issue of Bonds
protected by a policy obtained by an Insured Trust, if any, are fixed for the
life of the Trust. The premium for any Preinsured Bond insurance has been paid
by such issuer, by a prior owner of such Bonds or the Sponsor and any such
policy or policies are non-cancellable and will continue in force so long as
the Bonds so insured are outstanding and the respective Preinsured Bond
Insurer remains in business. If the provider of an original issuance insurance
policy is unable to meet its obligations under such policy or if the rating
assigned to the claims-paying ability of any such insurer deteriorates, the
Portfolio Insurers have no obligation to insure any issue adversely affected
by either of the above described events. 

The aforementioned portfolio insurance obtained by an Insured Trust, if any,
guarantees the timely payment of principal and interest on the Bonds as they
fall due. For the purposes of insurance obtained by an Insured Trust, "
when due"generally means the stated maturity date for the payment of
principal and interest. However, in the event (a) an issuer of a Bond defaults
in the payment of principal or interest on such Bond, (b) such issuer enters
into a bankruptcy proceeding or (c) the maturity of such Bond is accelerated,
the affected Portfolio Insurer has the option, in its sole discretion, after
receiving notice of the earliest to occur of such a default, bankruptcy
proceeding or acceleration to pay the outstanding principal amount of such
Bond plus accrued interest to the date of such payment and thereby retire the
Bond from the affected Trust prior to such Bond's stated maturity date. The
insurance does not guarantee the market value of the Bonds or the value of the
Units. Insurance obtained by an Insured Trust, if any, is only effective as to
Bonds owned by and held in such Trust. In the event of a sale of any such Bond
by the Trustee, such insurance terminates as to such Bond on the date of sale. 

Pursuant to an irrevocable commitment of the Portfolio Insurers, the Trustee,
upon the sale of a Bond covered under a portfolio insurance policy obtained by
an Insured Trust, has the right to obtain permanent insurance with respect to
such Bond (i.e., insurance to maturity of the Bonds regardless of the identity
of the holder thereof) (the "Permanent Insurance") upon the payment of
a single predetermined insurance premium and any expenses related thereto from
the proceeds of the sale of such Bond. Accordingly, any Bond in an Insured
Trust is eligible to be sold on an insured basis. It is expected that the
Trustee would exercise the right to obtain Permanent Insurance only if upon
such exercise the affected Trust would receive net proceeds (sale of Bond
proceeds less the insurance premium and related expenses attributable to the
Permanent Insurance) from such sale in excess of the sale proceeds if such
Bonds were sold on an uninsured basis. The insurance premium with respect to
each Bond eligible for Permanent Insurance would be determined based upon the
insurability of each Bond as of the Date of Deposit and would not be increased
or decreased for any change in the creditworthiness of each Bond. 

The Sponsor believes that the Permanent Insurance option provides an advantage
to an Insured Trust in that each Bond insured by a Trust insurance policy may
be sold out of the affected Trust with the benefits of the insurance attaching
thereto. Thus, the value of the insurance, if any, at the time of sale, can be
realized in the market value of the Bond so sold (which is not the case in
connection with any value attributable to an Insured Trust's portfolio
insurance). See "Public Offering--Offering Price". Because any such
insurance value may be realized in the market value of the Bond upon the sale
thereof upon exercise of the Permanent Insurance option, the Sponsor
anticipates that (a) in the event an Insured Trust were to be comprised of a
substantial percentage of Bonds in default or significant risk of default, it
is much less likely that such Trust would need at some point in time to seek a
suspension of redemptions of Units than if such Trust were to have no such
option (see "Public Offering--Redemption of Units") and (b) at the
time of termination of an Insured Trust, if such Trust were holding defaulted
Bonds or Bonds in significant risk of default such Trust would not need to
hold such Bonds until their respective maturities in order to realize the
benefits of such Trust's portfolio insurance (see "Trust
Administration--Amendment or Termination"). 

Except as indicated below, insurance obtained by an Insured Trust has no
effect on the price or redemption value of Units. It is the present intention
of the Evaluator to attribute a value for such insurance (including the right
to obtain Permanent Insurance) for the purpose of computing the price or
redemption value of Units if the Bonds covered by such insurance are in
default in payment of principal or interest or in significant risk of such
default. The value of the insurance will be the difference between (i) the
market value of a Bond which is in default in payment of principal or interest
or in significant risk of such default assuming the exercise of the right to
obtain Permanent Insurance (less the insurance premium and related expenses
attributable to the purchase of Permanent Insurance) and (ii) the market value
of such Bonds not covered by Permanent Insurance. See "Public
Offering--Offering Price". It is also the present intention of the Trustee
not to sell such Bonds to effect redemptions or for any other reason but
rather to retain them in the portfolio because value attributable to the
insurance cannot be realized upon sale. See "Public Offering--Offering
Price"herein for a more complete description of an Insured Trust's method
of valuing defaulted Bonds and Bonds which have a significant risk of default.
Insurance obtained by the issuer of a Bond is effective so long as such Bond
is outstanding. Therefore, any such insurance may be considered to represent
an element of market value in regard to the Bonds thus insured, but the exact
effect, if any, of this insurance on such market value cannot be predicted. 

The portfolio insurance policy or policies obtained by an Insured Trust, if
any, with respect to the Bonds in such Trust were issued by one or more of the
Portfolio Insurers. Any other Preinsured Bond insurance policy (or commitment
therefor) was issued by one of the Preinsured Bond Insurers. See "
Unitholder Explanations--Settlement of Bonds in the Trusts--Objectives and
Securities Selection". 

AMBAC Indemnity Corporation ("AMBAC Indemnity") is a
Wisconsin-domiciled stock insurance corporation regulated by the Office of the
Commissioner of Insurance of the State of Wisconsin and licensed to do
business in 50 states, the District of Columbia and the Commonwealth of Puerto
Rico, with admitted assets of approximately $1,988,000,000 (unaudited) and
statutory capital of approximately $1,148,000,000 (unaudited) as of March 31,
1994. Statutory capital consists of AMBAC Indemnity's policyholders' surplus
and statutory contingency reserve. AMBAC Indemnity is a wholly owned
subsidiary of AMBAC Inc., a 100% publicly-held company. Moody's Investors
Service, Inc. and Standard & Poor's Corporation have both assigned a triple-A
claims-paying ability rating to AMBAC Indemnity. 

Copies of its financial statements prepared in accordance with statutory
accounting standards are available from AMBAC Indemnity. The address of AMBAC
Indemnity's administrative offices and its telephone number are One State
Street Plaza, 17th Floor, New York, New York, 10004 and (212) 668-0340. 

AMBAC Indemnity has entered into quota share reinsurance agreements under
which a percentage of the insurance underwritten pursuant to certain municipal
bond insurance programs of AMBAC Indemnity has been and will be assumed by a
number of foreign and domestic unaffiliated reinsurers. 

Municipal Bond Investors Assurance Corporation ("MBIA") is the
principal operating subsidiary of MBIA Inc., a New York Stock Exchange listed
company. MBIA Inc. is not obligated to pay the debts of or claims against
MBIA. MBIA is a limited liability corporation rather than a several liability
association. MBIA is domiciled in the State of New York and licensed to do
business in all fifty states, the District of Columbia and the Commonwealth of
Puerto Rico. As of June 30, 1994 MBIA had admitted assets of $3.3 billion
(unaudited), total liabilities of $2.2 billion (unaudited), and total capital
and surplus of $1.1 billion (unaudited) determined in accordance with
statutory accounting practices prescribed or permitted by insurance regulatory
authorities. Copies of MBIA's year end financial statements prepared in
accordance with statutory accounting practices are available from MBIA. The
address of MBIA is 113 King Street, Armonk, New York 10504. 

Effective December 31, 1989, MBIA Inc. acquired Bond Investors Group, Inc. On
January 5, 1990, MBIA acquired all of the outstanding stock of Bond Investors
Group, Inc., the parent of Bond Investors Guaranty Insurance Company (BIG),
now known as MBIA Insurance Corp. of Illinois. Through a reinsurance
agreement, BIG has ceded all of its net insured risks, as well as its unearned
premium and contingency reserves, to MBIA and MBIA has reinsured BIG's net
outstanding exposure. 

Moody's Investors Service, Inc. rates all bond issues insured by MBIA "
Aaa"and short term loans "MIG 1,"both designated to be of the
highest quality. 

Standard & Poor's Corporation rates all new issues insured by MBIA "
AAA"Prime Grade. 

The Moody's Investors Service, Inc. rating of MBIA should be evaluated
independently of the Standard & Poor's Corporation rating of MBIA. No
application has been made to any other rating agency in order to obtain
additional ratings on the Bonds. The ratings reflect the respective rating
agency's current assessment of the creditworthiness of MBIA and its ability to
pay claims on its policies of insurance. Any further explanation as to the
significance of the above ratings may be obtained only from the applicable
rating agency. 

The above ratings are not recommendations to buy, sell or hold the Bonds, and
such ratings may be subject to revision or withdrawal at any time by the
rating agencies. Any downward revision or withdrawal of either or both ratings
may have an adverse effect on the market price of the Bonds. 

Financial Guaranty Insurance Company ("Financial Guaranty"or "
FGIC") is a wholly-owned subsidiary of FGIC Corporation (the "
Corporation"), a Delaware holding company. The Corporation is a
wholly-owned subsidiary of General Electric Capital Corporation ("GECC"
). Neither the Corporation nor GECC is obligated to pay the debts of or the
claims against Financial Guaranty. Financial Guaranty is domiciled in the
State of New York and is subject to regulation by the State of New York
Insurance Department. As of June 30, 1994, the total capital and surplus of
Financial Guaranty was approximately $850,000,000. Copies of Financial
Guaranty's financial statements, prepared on the basis of statutory accounting
principles, and the Corporation's financial statements, prepared on the basis
of generally accepted accounting principles, may be obtained by writing to
Financial Guaranty at 115 Broadway, New York, New York 10006, Attention:
Communications Department, telephone number: (212) 312-3000 or to the New York
State Insurance Department at 160 West Broadway, 18th Floor, New York, New
York 10013, Attention: Property Companies Bureau, telephone number: (212)
621-0389. 

In addition, Financial Guaranty Insurance Company is currently licensed to
write insurance in all 50 states and the District of Columbia. 

Financial Security Assurance, Inc. ("Financial Security" or "FSA") is a 
monoline insurance company incorporated on March 16, 1984 under
the laws of the State of New York. The operations of Financial Security
commenced on July 25, 1985, and Financial Security received its New York State
insurance license on September 23, 1985. Financial Security and its two wholly
owned subsidiaries are licensed to engage in the financial guaranty insurance
business in 49 states, the District of Columbia and Puerto Rico. 

Financial Security and its subsidiaries are engaged exclusively in the
business of writing financial guaranty insurance, principally in respect of
asset-backed and other collateralized securities offered in domestic and
foreign markets. Financial Security and its subsidiaries also write financial
guaranty insurance in respect of municipal and other obligations and reinsure
financial guaranty insurance policies written by other leading insurance
companies. In general, financial guaranty insurance consists of the issuance
of a guaranty of scheduled payments of an issuer's securities, thereby
enhancing the credit rating of those securities, in consideration for payment
of a premium to the insurer. 

Financial Security is approximately 91.6% owned by U S WEST, Inc. and 8.4%
owned by The Tokio Marine and Fire Insurance Co., Ltd. ("Tokio Marine"). 
Neither U S WEST, Inc. nor Tokio Marine is obligated to pay the debts of or
the claims against Financial Security. Financial Security is domiciled in the
State of New York and is subject to regulation by the State of New York
Insurance Department. As of March 31, 1993, the total policyholders' surplus
and contingency reserves and the total unearned premium reserve, respectively,
of Financial Security and its consolidated subsidiaries were, in accordance
with generally accepted accounting principles, approximately $479,110,000
(unaudited) and $220,078,000 (unaudited), and the total shareholders' equity
and the total unearned premium reserve, respectively, of Financial Security
and its consolidated subsidiaries were, in accordance with generally accepted
accounting principles, approximately $628,119,000 (unaudited) and $202,493,000
(unaudited). Copies of Financial Security's financial statements may be
obtained by writing to Financial Security at 350 Park Avenue, New York, New
York, 10022, Attention: Communications Department. Its telephone number is
(212) 826-0100. 

Pursuant to an intercompany agreement, liabilities on financial guaranty
insurance written by Financial Security or either of its subsidiaries are
reinsured among such companies on an agreed-upon percentage substantially
proportional to their respective capital, surplus and reserves, subject to
applicable statutory risk limitations. In addition, Financial Security
reinsures a portion of its liabilities under certain of its financial guaranty
insurance policies with unaffiliated reinsurers under various quota share
treaties and on a transaction-by-transaction basis. Such reinsurance is
utilized by Financial Security as a risk management device and to comply with
certain statutory and rating agency requirements; it does not alter or limit
Financial Security's obligations under any financial guaranty insurance
policy. 

Financial Security's claims-paying ability is rated "Aaa" by Moody's
Investors Service, Inc., and "AAA"by Standard & Poor's Corporation,
Nippon Investors Service Inc., Duff & Phelps Inc. and Australian Ratings Pty.
Ltd. Such ratings reflect only the views of the respective rating agencies,
are not recommendations to buy, sell or hold securities and are subject to
revision or withdrawal at any time by such rating agencies. 

Capital Guaranty Insurance Company ("Capital Guaranty") is a "Aaa/AAA" rated 
monoline stock insurance company incorporated in the State
of Maryland, and is a wholly owned subsidiary of Capital Guaranty Corporation,
a Maryland insurance holding company. Capital Guaranty Corporation is a
publicly owned company whose shares are traded on the New York Stock Exchange. 

Capital Guaranty is authorized to provide insurance in 49 states, the District
of Columbia and three U.S. territories. Capital Guaranty focuses on insuring
municipal securities and our policies guaranty the timely payment of principal
and interest when due for payment on new issue and secondary market issue
municipal bond transactions. Capital Guaranty's claims-paying ability is
rated "Triple-A" by both Moody's and Standard & Poor's.

     As of June 30, 1994, Capital Guaranty had more than $13.7 billion in net
exposure outstanding (excluding deferred issues). The total statutory
policyholders' surplus and contingency reserve of Capital Guaranty was
$89,917,075 (unaudited), and the total admitted assets were $286,825,253
(unaudited) as reported to the Insurance Department of the State of Maryland
as of June 30, 1994. Financial statements for Capital Guaranty Insurance
Company, that have been prepared in accordance with statutory insurance
accounting standards, are available upon request. The address of Capital
Guaranty's headquarters and its telephone number are Steuart Tower, 22nd
Floor, One Market Plaza, San Francisco, CA 94105-1413 and (415) 995-8000. 

CapMAC is a New York-domiciled monoline stock insurance company which engages
only in the business of financial guarantee and surety insurance. CapMAC is
licensed in 50 states in addition to the District of Columbia, the
Commonwealth of Puerto Rico and the territory of Guam. CapMAC insures
structured asset-backed, corporate, municipal and other financial obligations
in the domestic and foreign capital markets. CapMAC may also provide financial
guarantee reinsurance for structured asset-backed, corporate and municipal
obligations written by other major insurance companies. 

CapMAC's claims-paying ability is rated "Aaa" by Moody's Investors
Service, Inc. ("Moody's"), "AAA" by Standard & Poor's
Corporation ("Standard & Poor's"), "AAA" by Duff & Phelps,
Inc. ("Duff & Phelps") and "AAA" by Nippon Investors Inc. Such
ratings reflect only the views of the respective rating agencies, are not
recommendations to buy, sell or hold securities and are subject to revision or
withdrawal at any time by such rating agencies. 

CapMAC is wholly owned by CapMAC Holdings Inc. ("Holdings"), a company
that is owned by a group of institutional and other investors, including
CapMAC's management and employees.

Neither Holdings nor any of its stockholders is obligated to pay any claims
under any surety bond issued by CapMAC or any debts of CapMAC or to make
additional capital contributions. 

CapMAC is regulated by the Superintendent of Insurance of the State of New
York. In addition, CapMAC is subject to regulation by the insurance
departments of the other jurisdictions in which it is licensed. CapMAC is
subject to periodic regulatory examinations by the same regulatory
authorities. 

CapMAC is bound by insurance laws and regulations regarding capital transfers,
limitations upon dividends, investment of assets, changes in control,
transactions with affiliates and consolidations and acquisitions. The amount
of exposure per risk that CapMAC may retain, after giving effect to
reinsurance, collateral or other security, is also regulated. Statutory and
regulatory accounting practices may prescribe appropriate rates at which
premiums are earned and the levels of reserves required. In addition, various
insurance laws restrict the incurrence of debt, regulate permissible
investments of reserves, capital and surplus, and govern the form of surety
bonds. 

CapMAC's obligations under the Surety Bond(s) may be reinsured. Such
reinsurance does not relieve CapMAC of any of its obligations under the Surety
Bond(s). 

THE SURETY BOND IS NOT COVERED BY THE PROPERTY/CASUALTY INSURANCE SECURITY
FUND SPECIFIED IN ARTICLE 76 OF THE NEW YORK INSURANCE LAW. 

     As of December 31, 1993 and 1992, CapMAC had qualified statutory capital
(which consists of policyholders' surplus and contingency reserve) of
approximately $168 million and $163 million, respectively, and had not
incurred any debt obligations. Article 69 of the New York State Insurance Law
requires CapMAC to establish and maintain the contingency reserve, which is
available to cover claims under surety bonds issued by CapMAC.

In addition to its qualified statutory capital and other reinsurance available
to pay claims under its surety bonds, CapMAC has entered into a Stop Loss
Reinsurance Agreement (the "Stop Loss Agreement") with Winterthur
Swiss Insurance Company (the "Reinsurer"), which is rated AAA by
Standard & Poor's and Aaa by Moody's, pursuant to which the Reinsurer will
be required to pay any losses incurred by CapMAC during the term of the Stop
Loss Agreement on the surety bonds covered under the Stop Loss Agreement in
excess of a specified amount of losses incurred by CapMAC under such surety
bonds (such specified amount initially being $100 million and increasing
annually by an amount equal to 66 2/3% of the increase in CapMAC's statutory
capital and surplus) up to an aggregate limit payable under the Stop Loss
Agreement of $50 million. The Stop Loss Agreement has a term of seven years,
is extendable for one-year periods and is subject to early termination upon
the occurrence of certain events.

CapMAC also has available a $100,000,000 standby corporate liquidity facility
(the "Liquidity Facility") provided by a syndicate of banks rated
A1+/P1 by Standard & Poor's and Moody's, respectively, having a term of 360
days. Under the Liquidity Facility CapMAC will be able, subject to satisfying
certain conditions, to borrow funds from time to time in order to enable it to
fund any claim payments or payments made in settlement or mitigation of claims
payments under its surety bonds, including the Surety Bond. 

Copies of CapMAC's financial statements prepared in accordance with statutory
accounting standards, which differ from generally accepted accounting
principles, and filed with the Insurance Department of the State of New York
are available upon request. CapMAC is located at 885 Third Avenue, New York,
New York 10022, and its telephone number is (212) 755-1155. 

In order to be in an Insured Trust, Bonds must be insured by one of the
Preinsured Bond Insurers or be eligible for the insurance being obtained by
such Trust. In determining eligibility for insurance, the Preinsured Bond
Insurers, AMBAC Indemnity and Financial Guaranty have applied their own
standards which correspond generally to the standards they normally use in
establishing the insurability of new issues of municipal bonds and which are
not necessarily the criteria used in the selection of Bonds by the Sponsor. To
the extent the standards of the Preinsured Bond Insurers, AMBAC Indemnity and
Financial Guaranty are more restrictive than those of the Sponsor, the
previously stated Trust investment criteria have been limited with respect to
the Bonds. This decision is made prior to the Date of Deposit, as debt
obligations not eligible for insurance are not deposited in an Insured Trust.
Thus, all of the Bonds in the portfolios of the Insured Trusts in the Fund are
insured either by the respective Trust or by the issuer of the Bonds, by a
prior owner of such Bonds or by the Sponsor prior to the deposit of such Bonds
in a Trust.

Because the Bonds are insured by one of the Portfolio Insurers or one of the
Preinsured Bond Insurers as to the timely payment of principal and interest,
when due, and on the basis of the various reinsurance agreements in effect,
Standard & Poor's Corporation has assigned to the Units of each Insured Trust
its "AAA" investment rating. See "Description of Securities
Ratings". The obtaining of this rating by an Insured Trust should not be
construed as an approval of the offering of the Units by Standard & Poor's
Corporation or as a guarantee of the market value of such Trust or of the
Units. 

An objective of portfolio insurance obtained by an Insured Trust is to obtain
a higher yield on the portfolio of such Trust than would be available if all
the Securities in such portfolio had Standard & Poor's Corporation "AAA"
rating and yet at the same time to have the protection of insurance
of prompt payment of interest and principal, when due, on the Bonds. There is,
of course, no certainty that this result will be achieved. Preinsured Bonds in
an Insured Trust (all of which are rated "AAA" by Standard & Poor's
Corporation) may or may not have a higher yield than uninsured bonds rated
"AAA" by Standard & Poor's Corporation. In selecting such Bonds for an
Insured Trust, the Sponsor has applied the criteria hereinbefore described. 

In the event of nonpayment of interest or principal, when due, in respect of a
Bond, AMBAC Indemnity shall make such payment not later than 30 days and
Financial Guaranty shall make such payment within one business day after the
respective insurer has been notified that such nonpayment has occurred or is
threatened (but not earlier than the date such payment is due). The insurer,
as regards any payment it may make, will succeed to the rights of the Trustee
in respect thereof. All policies issued by the Portfolio Insurers and the
Preinsured Bond Insurers are substantially identical insofar as obligations to
an Insured Trust are concerned. 

The Internal Revenue Service has issued a letter ruling which holds in effect
that insurance proceeds representing maturing interest on defaulted municipal
obligations paid to holders of insured bonds, under policy provisions
substantially identical to the policies described herein, will be excludable
from Federal gross income under Section 103(a)(1) of the Internal Revenue Code
to the same extent as if such payments were made by the issuer of the
municipal obligations. Holders of Units in an Insured Trust should discuss
with their tax advisers the degree of reliance which they may place on this
letter ruling. However, Chapman and Cutler, counsel for the Sponsor, has given
an opinion to the effect such payment of proceeds would be excludable from
Federal gross income if, and to the same extent as, such interest would have
been so excludable if paid by the issuer of the defaulted obligations. See
"Other Matters--Federal Tax Status". 

Each Portfolio Insurer is subject to regulation by the department of insurance
in the state in which it is qualified to do business. Such regulation,
however, is no guarantee that each Portfolio Insurer will be able to perform
on its contract of insurance in the event a claim should be made thereunder at
some time in the future. At the date hereof, it is reported that no claims
have been submitted or are expected to be submitted to any of the Portfolio
Insurers which would materially impair the ability of any such company to meet
its commitment pursuant to any contract of bond or portfolio insurance. 

The information relating to each Portfolio Insurer has been furnished by such
companies. The financial information with respect to each Portfolio Insurer
appears in reports filed with state insurance regulatory authorities and is
subject to audit and review by such authorities. No representation is made
herein as to the accuracy or adequacy of such information or as to the absence
of material adverse changes in such information subsequent to the dates
thereof.

The Bonds in the Insured Trusts are insured as follows: 
   
<TABLE>
<CAPTION>
                                                             Bonds insured           Bonds insured                       
                                                               under AMBAC         under Financial                       
Trust                                                            Indemnity                Guaranty    Preinsured     Total   
                                                      portfolio insurance     portfolio insurance         Bonds          
<S>                                                <C>                     <C>                       <C>             <C>     
IM-IT.............................................                      --                      --           100%    100% 
California IM-IT Intermediate Laddered Maturity...                      --                      --           100%    100% 
Ohio IM-IT Intermediate Laddered Maturity.........                      --                      --           100%    100% 
</TABLE>




The breakdown of the Preinsured Bonds is as follows: IM-IT--AMBAC Indemnity
2%, Capital Guaranty 20%, Financial Guaranty 11%, MBIA 45% and FSA 22%;
California IM-IT Intermediate Laddered Maturity Trust--AMBAC Indemnity 34%,   
MBIA 46% and CapMAC 20%; Ohio IM-IT Intermediate Laddered Maturity
Trust--AMBAC Indemnity 26%, Financial Guaranty 9% and MBIA 65%.

IM-IT   

General. The IM-IT consists of 12 issues of Securities. One of the Bonds in
the IM-IT is a general obligation of the governmental entity issuing it and is
backed by the taxing power thereof. The remaining issues are payable from the
income of a specific project or authority and are not supported by the
issuer's power to levy taxes. These issues are located in 8 states or
territories, divided by purpose of issues (and percentage of principal amount
to total IM-IT) as follows: Health Care, 3 (25%); Public Building, 1 (11%);
Public Education, 1 (11%); Retail Electric/Gas, 1 (11%); Tax District, 1
(11%); Water and Sewer, 1 (11%); Industrial Revenue, 1 (7%); Transportation, 1
(6%); Wholesale Electric, 1 (5%) and General Obligations, 1 (2%). Three bond
issues aggregating approximately 25% of the aggregate principal amount of the
Securities in the Trust are obligations of issuers located in the State of
Illinois. No Bond issue has received a provisional rating. The dollar weighted
average maturity of the Bonds in the Trust is 29 years. 

Tax Status. For a discussion of the Federal tax status of income earned on
IM-IT Units, see "Other Matters--Federal Tax Status". 



<TABLE>
<CAPTION>
Per Unit Information:                                                                     
                                                                                          
<S>                                                                            <C>        
Calculation of Estimated Net Annual Unit Income <F1>:                                     
 Estimated Annual Interest Income per Unit.................................... $    61.04 
 Less: Estimated Annual Expense per Unit <F2>................................. $     1.82 
 Less: Annual Premium on Portfolio Insurance per Unit.........................         -- 
 Estimated Net Annual Interest Income per Unit................................ $    59.22 
Calculation of Estimated Interest Earnings Per Unit:
 Estimated Net Annual Interest Income per Unit................................ $    59.22 
 Divided by 12................................................................ $     4.94 
Estimated Daily Rate of Net Interest Accrual per Unit......................... $   .16452 
Estimated Current Return Based on Public Offering Price <F1><F3><F4><F5>......       5.92%
Estimated Long-Term Return <F3><F4><F5>.......................................       6.01%
Initial Distribution (November 1994).......................................... $     3.13 
Estimated Normal Distribution per Unit <F5>................................... $     4.94 
Purchased Interest <F6>....................................................... $    10.18 
 Trustee's Annual Fee <F1>......... $.98 per $1,000 principal amount of Bonds             
 Record and Computation Dates...... FIRST day of each month  
 Distribution Dates................ FIFTEENTH day of each month commencing  
                                    November 15, 1994 


     

<FN>
<F1>During the first year the Trustee will reduce its fee by approximately $.01
per Unit (which amount is the estimated interest to be earned per Unit prior
to the expected delivery dates for the "when, as and if issued"Bonds
included in this Trust). Should such estimated interest exceed such amount,
the Trustee will reduce its fee up to its annual fee. After the first year,
the Trustee's fee will be that amount indicated above. Estimated annual
interest income per Unit will be increased to $61.05. Estimated Annual Expense
per Unit (excluding insurance) will be increased to $1.83; and estimated net
annual interest income per Unit will remain the same as shown. See "
Estimated Current Returns and Estimated Long-Term Returns."Based on the
outstanding principal amount of Securities as of the Date of Deposit, the
Trustee's annual fee would be $8,903. 

<F2>Excluding insurance costs. 

<F3>The Estimated Current Return and Estimated Long-Term Return are increased for
transactions entitled to a reduced sales charge. See "Unitholder
Explanations--Public Offering--General". 

<F4>The Estimated Current Return is calculated by dividing the estimated net
annual interest income per Unit by the Public Offering Price. The estimated
net annual interest income per Unit will vary with changes in fees and
expenses of the Trustee and the Evaluator and with the principal prepayment,
redemption, maturity, exchange or sale of Securities while the Public Offering
Price will vary with changes in the offering price of the underlying
Securities and with changes in the Purchased Interest; therefore, there is no
assurance that the present Estimated Current Return indicated above will be
realized in the future. The Estimated Long-Term Return is calculated using a
formula which (1) takes into consideration, and determines and factors in the
relative weightings of, the market values, yields (which takes into account
the amortization of premiums and the accretion of discounts) and estimated
retirements of all of the Securities in the Trust and (2) takes into account
the expenses and sales charge associated with each Trust Unit. Since the
market values and estimated retirements of the Securities and the expenses of
the Trust will change, there is no assurance that the present Estimated
Long-Term Return as indicated above will be realized in the future. The
Estimated Current Return and Estimated Long-Term Return are expected to differ
because the calculation of the Estimated Long-Term Return reflects the
estimated date and amount of principal returned while the Estimated Current
Return calculation includes only net annual interest income and Public
Offering Price. 

<F5>These figures are based on estimated per Unit cash flows. Estimated cash flows
will vary with changes in fees and expenses, with changes in current interest
rates and with the principal prepayment, redemption, maturity, call, exchange
or sale of the underlying Securities. The estimated cash flows for this Series
are set forth under "Estimated Cash Flows to Unitholders". 

<F6>See "Unitholder Explanations--Purchased and Accrued Interest".
</TABLE>

 



<TABLE>
INSURED MUNICIPALS INCOME TRUST
SERIES 334 (166TH INSURED MULTI-SERIES)
PORTFOLIO As of October 4, 1994

<CAPTION>
                                                                                                               Offering            
Aggregate      Name of Issuer, Title, Interest Rate andMaturity Date of                    Redemption          Price To            
Principal<F1>  either Bonds Deposited orBonds Contracted for<F1><F5>           Rating<F2>  Feature<F3>         IM-IT<F4>           
<S>            <C>                                                          <C>            <C>                 <C>          <C>    
$     500,000  Illinois State Toll Highway Authority, Toll Highway                                                                 
               Priority Revenue  Bonds, Series 1992A (FGIC Insured)                                                                
               #6.20% Due 1/1/2016.........................................           AAA  2003 @ 102          $     477,045       
      500,000  North Carolina Eastern Municipal Power Agency, Power System                                                         
                Revenue Bonds, Refunding Series 1993B (FGIC Insured)                       2003 @ 100                              
               #5.50% Due 1/1/2017.........................................           AAA  2015 @ 100 S.F.           437,745       
    1,000,000  Hammond Multi-School Building Corporation (Lake County,                                                             
               Indiana) First Mortgage Revenue Refunding Bonds,  Series                                                  
               1994 (Capital Guaranty Insured)                                             2004 @ 102
               6.60% Due 1/10/2018.........................................          YAAA  2009 @ 100 S.F.         1,008,920       
      200,000  City of New Orleans, Louisiana, General Obligation                                                                  
               Refunding  Bonds, Series 1991 (AMBAC Indemnity Insured)                                                             
               #0.00% Due 9/1/2018.........................................           AAA                             42,118   <F6>
      785,000  Illinois Health Facilities Authority, Revenue Refunding                                                             
               Bonds,  Series 1994 (Servantcor Health System) Capital                                                    
               Guaranty  Insured                                                           2004 @ 102
               #6.375% Due 8/15/2021.......................................          YAAA  2017 @ 100 S.F.           761,976       
    1,000,000  Metropolitan Pier and Exposition Authority (Illinois)                                                               
               McCormick  Place Expansion Project, Revenue Bonds, Series                                                           
               1992A  (MBIA Insured)  
               #6.50% Due 6/15/2022........................................           AAA  2003 @ 102                992,240       
    1,000,000  Texas Health Facilities Development Corporation, Hospital                                                           
               Revenue Bonds (All Saints Episcopal Hospitals of Fort Worth                 2003 @ 102                              
               Project) Series 1993B (MBIA Insured)  
               #6.25% Due 8/15/2022........................................           AAA  2013 @ 100 S.F.           954,470       
      500,000  Harris County Health Facilities Development Corporation,                                                            
               Texas,  Hospital Revenue Bonds (Herman Hospital) Series                     2004 @ 101                              
               1994 (MBIA  Insured)**  
               #6.375% Due 10/1/2024.......................................          YAAA  2018 @ 100 S.F.           486,250       
    1,000,000  City of Philadelphia, Pennsylvania, Gas Works Revenue                                                               
               Bonds,  Fourteenth Series (FSA Insured)                                     2003 @ 102
               #6.375% Due 7/1/2026........................................           AAA  2015 @ 100 S.F.           982,920       
      600,000  Matagorda County, Texas, Navigation District No. 1,                                                                 
               Pollution  Control Revenue Refunding Bonds, Series 1993                                                             
               (Central  Power & Light Company Project) MBIA Insured                                                               
               6.00% Due 7/1/2028..........................................           AAA  2003 @ 102                554,478       
    1,000,000  The Community Redevelopment Agency of the City of Los                                                               
               Angeles, California (Bunker Hill Project) Tax Allocation                                                            
               Revenue  Refunding Bonds, Series H (FSA Insured)                            2003 @ 102
               #5.60% Due 12/1/2028........................................           AAA  2024 @ 100 S.F.           863,930       
    1,000,000  Municipality of Metropolitan Seattle (Seattle, Washington)                                                          
               Sewer  Revenue Bonds, Series W (MBIA Insured)  #6.30% Due                   2003 @ 102                              
               1/1/2033....................................................           AAA  2024 @ 100 S.F.           958,800       
$   9,085,000                                                                                                  $   8,520,892       
</TABLE>


 

All of the Bonds in the portfolio are insured by one of the Preinsured Bond
Insurers as indicated in the Bond name. See "Unitholder
Explanations--Insurance on the Bonds in the Insured Trusts".

For an explanation of the footnotes used on this page, see "Notes to
Portfolios".

CALIFORNIA IM-IT INTERMEDIATE LADDERED MATURITY TRUST 

General. The California IM-IT Intermediate Laddered Maturity Trust consists of
12 issues of Securities. Four of the Bonds in the California IM-IT
Intermediate Laddered Maturity Trust are general obligations of the
governmental entities issuing them and are backed by the taxing power thereof.
The remaining issues are payable from the income of a specific project or
authority and are not supported by the issuer's power to levy taxes. These
issues are divided by purpose of issues (and percentage of principal amount to
total California IM-IT Intermediate Laddered Maturity Trust) as follows:
General Obligations, 4 (35%); Certificates of Participation, 4 (25%);
Transportation, 1 (20%); Public Building, 2 (14%) and Tax District, 1 (6%). No
Bond issue has received a provisional rating. All of the obligations in the
California IM-IT Intermediate Laddered Maturity Trust mature within 5-10 years
of the Date of Deposit. Commencing in approximately the fifth year of the
Trust, roughly 20% of the Bonds contained in the Trust will mature each year.
The dollar weighted average maturity of the Bonds in the Trust is 6.74 years.

Risk Factors. The Trust will invest substantially all of its assets in
California Municipal Obligations. The Trust is therefore susceptible to
political, economic or regulatory factors affecting issuers of California
Municipal Obligations. These include the possible adverse effects of certain
California constitutional amendments, legislative measures, voter initiatives
and other matters that are described below. The following information provides
only a brief summary of the complex factors affecting the financial situation
in California (the "State") and is derived from sources that are
generally available to investors and are believed to be accurate. No
independent verification has been made of the accuracy or completeness of any
of the following information. It is based in part on information obtained from
various State and local agencies in California or contained in official
statements for various California Municipal Obligations. 

There can be no assurance that future statewide or regional economic
difficulties, and the resulting impact on State or local governmental finances
generally, will not adversely affect the market value of California Municipal
Obligations held in the portfolio of the Fund or the ability of particular
obligors to make timely payments of debt service on (or relating to) those
obligations. 

California's economy is the largest among the 50 states and one of the largest
in the world. The State's population of over 30 million represents 12% of the
total United States population and grew by 27% in the 1980s. Total personal
income in the State, at an estimated $662 billion in 1991, accounts for 13% of
all personal income in the nation. Total employment is almost 14 million, the
majority of which is in the service, trade and manufacturing sectors. 

Reports issued by the State Department of Finance and other sources indicate
that the State's economy is suffering its worst recession since the 1930s,
with prospects for recovery slower than for the nation as a whole. The State
has lost over 800,000 jobs since the start of the recession in mid 1990 and
additional job losses are expected before an upturn begins. The largest job
losses have been in Southern California, led by declines in the aerospace and
construction industries. Weaknesses statewide occurred in manufacturing,
construction, services and trade and will be hurt in the next few years by
continued cuts in federal defense spending and base closures. Unemployment is
expected to remain well above the national average in 1994. The State's
economy is only expected to pull out of the recession slowly, following the
national recovery which has begun. Delay in recovery will exacerbate
shortfalls in State revenues. 

Certain California Municipal Obligations may be obligations of issuers which
rely in whole or in part, directly or indirectly, on ad valorem property taxes
as a source of revenue. The taxing powers of California local governments and
districts are limited by Article XIIIA of the California Constitution, enacted
by the voters in 1978 and commonly known as "Proposition 13." Briefly,
Article XIIIA limits to 1% of full cash value the rate of ad valorem property
taxes on real property and generally restricts the reassessment of property to
2% per year, except upon new construction or change of ownership (subject to a
number of exemptions). Taxing entities may, however, raise ad valorem taxes
above the 1% limit to pay debt service on voter-approved bonded indebtedness. 

Under Article XIIIA, the basic 1% ad valorem tax levy is applied against the
assessed value of property as of the owner's date of acquisition (or as of
March 1, 1975, if acquired earlier), subject to certain adjustments. This
system has resulted in widely varying amounts of tax on similarly situated
properties. Several lawsuits have been filed challenging the acquisition-based
assessment system of Proposition 13, and on June 18, 1992 the U.S. Supreme
Court announced a decision upholding Proposition 13. 

Article XIIIA prohibits local governments from raising revenues through ad
valorem property taxes above the 1% limit; it also requires voters of any
governmental unit to give two-thirds approval to levy any "special
tax."Court decisions, however, allowed non-voter approved levy of "
general taxes"which were not dedicated to a specific use. In response to
these decisions, the voters of the State in 1986 adopted an initiative statute
which imposed significant new limits on the ability of local entities to raise
or levy general taxes, except by receiving majority local voter approval.
Significant elements of this initiative, "Proposition 62", have been
overturned in recent court cases. An initiative proposed to re-enact the
provisions of Proposition 62 as a constitutional amendment was defeated by the
voters in November 1990, but such a proposal may be renewed in the future. 

California and its local governments are subject to an annual "
appropriations limit"imposed by Article XIIIB of the California
Constitution, enacted by the voters in 1979 and significantly amended by
Propositions 98 and 111 in 1988 and 1990, respectively. Article XIIIB
prohibits the State or any covered local government from spending "
appropriations subject to limitation"in excess of the appropriations
limit imposed. "Appropriations subject to limitation"are
authorizations to spend "proceeds of taxes,"which consists of tax
revenues and certain other funds, including proceeds from regulatory licenses,
user charges or other fees, to the extent that such proceeds exceed the cost
of providing the product or service, but "proceeds of taxes"excludes
most State subventions to local governments. No limit is imposed on
appropriations of funds which are not "proceeds of taxes,"such as
reasonable user charges or fees and certain other non-tax funds, including
bond proceeds. 

Among the expenditures not included in the Article XIIIB appropriations limit
are (1) the debt service cost of bonds issued or authorized prior to January
1, 1979, or subsequently authorized by the voters, (2) appropriations arising
from certain emergencies declared by the Governor, (3) appropriations for
certain capital outlay projects, (4) appropriations by the State of post-1989
increases in gasoline taxes and vehicle weight fees, and (5) appropriations
made in certain cases of emergency. 

The appropriations limit for each year is adjusted annually to reflect changes
in cost of living and population, and any transfers of service
responsibilities between government units. The definitions for such
adjustments were liberalized in 1990 by Proposition 111 to follow more closely
growth in California's economy. 

"Excess"revenues are measured over a two-year cycle. Local
governments must return any excess to taxpayers by rate reduction. The State
must refund 50% of any excess, with the other 50% paid to schools and
community colleges. With more liberal annual adjustment factors since 1988,
and depressed revenues since 1990 because of the recession, few governments
are currently operating near their spending limits, but this condition may
change over time. Local governments may by voter approval exceed their
spending limits for up to four years. 

During fiscal year 1986-87, State receipts from proceeds of taxes exceeded its
appropriations limit by $1.1 billion, which was returned to taxpayers. Since
that year, appropriations subject to limitation have been under the State
limit. State appropriations are expected to be $3.7 billion under the limit
for Fiscal Year 1993-94. 

Because of the complex nature of Articles XIIIA and XIIIB of the California
Constitution, the ambiguities and possible inconsistencies in their terms, and
the impossibility of predicting future appropriations or changes in population
and cost of living, and the probability of continuing legal challenges, it is
not currently possible to determine fully the impact of Article XIIIA or
Article XIIIB on California Municipal Obligations or on the ability of
California or local governments to pay debt service on such California
Municipal Obligations. It is not presently possible to predict the outcome of
any pending litigation with respect to the ultimate scope, impact or
constitutionality of either Article XIIIA or Article XIIIB, or the impact of
any such determinations upon State agencies or local governments, or upon
their ability to pay debt service on their obligations. Future initiative or
legislative changes in laws or the California Constitution may also affect the
ability of the State or local issuers to repay their obligations. 

As of April 1, 1994, California had approximately $18.1 billion of general
obligation bonds outstanding, and $5.6 billion remained authorized but
unissued. In addition, at June 30, 1993, the State had lease-purchase
obligations, payable from the State's General Fund, of approximately $4.0
billion. Of the State's outstanding general obligation debt, approximately 28%
is presently self-liquidating (for which program revenues are anticipated to
be sufficient to reimburse the General Fund for debt service payments). Four
general obligation bond propositions, totalling $5.9 billion, will be on the
June, 1994 ballot. In Fiscal Year 1992-93, debt service on general obligation
bonds and lease-purchase debt was approximately 4.1% of General Fund revenues.
The State has paid the principal of and interest on its general obligation
bonds, lease-purchase debt and short-term obligations when due. 

The principal sources of General Fund revenues in 1992-93 were the California
personal income tax (44% of total revenues), the sales tax (38%), bank and
corporation taxes (12%), and the gross premium tax on insurance (3%).
California maintains a Special Fund for Economic Uncertainties (the "
Economic Uncertainties Fund"), derived from General Fund revenues, as a
reserve to meet cash needs of the General Fund, but which is required to be
replenished as soon as sufficient revenues are available. Year-end balances in
the Economic Uncertainties Fund are included for financial reporting purposes
in the General Fund balance. In most recent years, California has budgeted to
maintain the Economic Uncertainties Fund at around 3% of General Fund
expenditures but essentially no reserve has been budgeted in 1992-93 or
1993-1994 because reserves have been reduced by the recession. 

Throughout the 1980s, State spending increased rapidly as the State population
and economy also grew rapidly, including increased spending for many
assistance programs to local governments, which were constrained by
Proposition 13 and other laws. The largest State program is assistance to
local public school districts. In 1988, an initiative (Proposition 98) was
enacted which (subject to suspension by a two-thirds vote of the Legislature
and the Governor) guarantees local school districts and community college
districts a minimum share of State General Fund revenues (currently about
34%). 

Since the start of 1990-91 Fiscal Year, the State has faced adverse economic,
fiscal and budget conditions. The economic recession seriously affected State
tax revenues. It also caused increased expenditures for health and welfare
programs. The State is also facing a structural imbalance in its budget with
the largest programs supported by the General Fund (education, health, welfare
and corrections) growing at rates significantly higher than the growth rates
for the principal revenue sources of the General Fund. As a result, the State
entered a period of budget imbalance, with expenditures exceeding revenues for
four of the last five fiscal years through 1991-92. 

As the State fell into a deep recession in the summer of 1990, the State
budget fell sharply out of balance in the 1990-91 and 1991-92 fiscal years,
despite significant expenditure cuts and tax increases. The State had
accumulated a $2.8 billion budget deficit by June 30, 1992. This deficit also
severely reduced the State's cash resources, so that it had to rely on
external borrowing in the short-term markets to meet its cash needs. 

With the failure to enact a budget by July 1, 1992, the State had no legal
authority to pay many of its vendors until the budget was passed;
nevertheless, certain obligations (such as debt service, school
apportionments, welfare payments and employee salaries) were payable because
of continuing or special appropriations or court orders. However, the State
Controller did not have enough cash to pay all of these ongoing obligations as
they came due, as well as valid obligations incurred in the prior fiscal year. 

Starting on July 1, 1992, the Controller was required to issue "registered
warrants"in lieu of normal warrants backed by cash to pay many State
obligations. Available cash was used to pay constitutionally mandated and
priority obligations. Between July 1 and September 3, 1992, the Controller
issued an aggregate of approximately $3.8 billion of registered warrants, all
of which were called for redemption by September 4, 1992 following enactment
of the 1992-93 Budget Act and issuance by the State of $3.3 billion of Interim
Notes. 

The 1992-93 Budget Act, when finally adopted, was projected to eliminate the
State's accumulated deficit, with additional expenditure cuts and a $1.3
billion transfer of State education funding costs to local governments by
shifting local property taxes to school districts. However, as the recession
continued longer and deeper than expected, revenues once again were far below
projections, and only reached a level just equal to the amount of
expenditures. Thus, the State continued to carry its $2.8 billion budget
deficit at June 30, 1993. 

The 1993-94 Budget Act was similar to the prior year, in reliance on
expenditure cuts and an additional $2.6 billion transfer of costs to local
government, particularly counties. A major feature of the budget was a
two-year plan to eliminate the accumulated deficit by borrowing into the
1994-95 fiscal year. With the recession still continuing longer than expected,
the 1994-95 Governor's Budget now projects that in the 1993-94 Fiscal Year,
the General Fund will have $900 million less revenue and $800 million higher
expenditures than budgeted. As a result revenues will only exceed expenditures
by about $400 million. If this projection is met, it will be the first
operating surplus in four years; however, some budget analysts outside the
Department of Finance project revenues in the balance of 1993-94 will not even
meet the revised, lower projection. In addition, the General Fund may have
some unplanned costs for relief related to the January, 17, 1994 Northridge
earthquake. 

The State has implemented its short-term borrowing as part of the deficit
elimination plan, and has also borrowed additional sums to cover cash flow
shortfalls in the spring of 1994, for a total of $3.2 billion, coming due in
July and December, 1994. Repayment of these short-term notes will require
additional borrowing, as the State's cash position continues to be adversely
affected. 

The Governor's 1994-95 Budget proposal recognizes the need to bridge a gap of
around $5 billion by June 30, 1995. Over $3.1 billion of this amount is being
requested from the federal government as increased aid, particularly for costs
associated with incarcerating, educating and providing health and welfare
services to undocumented immigrants. However, President Clinton has not
included these costs in his proposed Fiscal 1995 Budget. The rest of the
budget gap is proposed to be closed with expenditure cuts and projected $600
million of new revenue assuming the State wins a tax case presently pending in
the U.S. Supreme Court. Thus the State will once again face significant
uncertainties and very difficult choices in the 1994-95 budget, as tax
increases are unlikely and many cuts and budget adjustments have been made in
the past three years. 

The State's severe financial difficulties for the current and upcoming budget
years will result in continued pressure upon various local governments,
particularly school districts and counties which depend on State aid. Despite
efforts in recent years to increase taxes and reduce governmental
expenditures, there can be no assurance that the State will not face budget
gaps in the future. 

State general obligation bonds are currently rated "Aa"by Moody's and
"A+"by S&P. Both of these ratings were recently reduced from "
AAA"levels which the State held until late 1991. There can be no
assurance that such ratings will be maintained in the future. It should be
noted that the creditworthiness of obligations issued by local California
issuers may be unrelated to the creditworthiness of obligations issued by the
State of California, and that there is no obligation on the part of the State
to make payment on such local obligations in the event of default. 

The State is involved in certain legal proceedings (described in the State's
recent financial statements) that, if decided against the State, may require
the State to make significant future expenditures or may substantially impair
revenues. 

Property tax revenues received by local governments declined more than 50%
following passage of Proposition 13. Subsequently, the California Legislature
enacted measures to provide for the redistribution of the State's General Fund
surplus to local agencies, the reallocation of certain State revenues to local
agencies and the assumption of certain governmental functions by the State to
assist municipal issuers to raise revenues. Total local assistance from the
State's General Fund was budgeted at approximately 75% of General Fund
expenditures in recent years, including the effect of implementing reductions
in certain aid programs. To reduce State General Fund support for school
districts, the 1992-93 and 1993-94 Budget Acts caused local governments to
transfer $3.9 billion of property tax revenues to school districts,
representing loss of the post-Proposition 13 "bailout"aid. Local
governments have in return received greater revenues and greater flexibility
to operate health and welfare programs. To the extent the State should be
constrained by its Article XIIIB appropriations limit, or its obligation to
conform to Proposition 98, or other fiscal considerations, the absolute level,
or the rate of growth, of State assistance to local governments may be
reduced. Any such reductions in State aid could compound the serious fiscal
constraints already experienced by many local governments, particularly
counties. The Richmond Unified School District (Contra Costa County) entered
bankruptcy proceedings in May 1991, but the proceedings have been dismissed. 

California Municipal Obligations which are assessment bonds may be adversely
affected by a general decline in real estate values or a slowdown in real
estate sales activity. In many cases, such bonds are secured by land which is
undeveloped at the time of issuance but anticipated to be developed within a
few years after issuance. In the event of such reduction or slowdown, such
development may not occur or may be delayed, thereby increasing the risk of a
default on the bonds. Because the special assessments or taxes securing these
bonds are not the personal liability of the owners of the property assessed,
the lien on the property is the only security for the bonds. Moreover, in most
cases the issuer of these bonds is not required to make payments on the bonds
in the event of delinquency in the payment of assessments or taxes, except
from amounts, if any, in a reserve fund established for the bonds. 

Certain California long-term lease obligations, though typically payable from
the general fund of the municipality, are subject to "abatement"in
the event the facility being leased is unavailable for beneficial use and
occupancy by the municipality during the term of the lease. Abatement is not a
default, and there may be no remedies available to the holders of the
certificates evidencing the lease obligation in the event abatement occurs.
The most common cases of abatement are failure to complete construction of the
facility before the end of the period during which lease payments have been
capitalized and uninsured casualty losses to the facility (e.g., due to
earthquake). In the event abatement occurs with respect to a lease obligation,
lease payments may be interrupted (if all available insurance proceeds and
reserves are exhausted) and the certificates may not be paid when due. 

Several years ago the Richmond Unified School District (the "District"
) entered into a lease transaction in which certain existing properties of the
District were sold and leased back in order to obtain funds to cover operating
deficits. Following a fiscal crisis in which the District's finances were
taken over by a State receiver (including a brief period under bankruptcy
court protection), the District failed to make rental payments on this lease,
resulting in a lawsuit by the Trustee for the Certificate of Participation
holders, in which the State was a named defendant (on the grounds that it
controlled the District's finances). One of the defenses raised in answer to
this lawsuit was the invalidity of the original lease transaction. The trial
court has upheld the validity of the District's lease, and the case has been
settled. Any judgment in any future case against the position asserted by the
Trustee in the Richmond case may have adverse implications for lease
transactions of a similar nature by other California entities. 

The repayment of industrial development securities secured by real property
may be affected by California laws limiting foreclosure rights of creditors.
Securities backed by health care and hospital revenues may be affected by
changes in State regulations governing cost reimbursements to health care
providers under Medi-Cal (the State's Medicaid program), including risks
related to the policy of awarding exclusive contracts to certain hospitals. 

Limitations on ad valorem property taxes may particularly affect "tax
allocation"bonds issued by California redevelopment agencies. Such bonds
are secured solely by the increase in assessed valuation of a redevelopment
project area after the start of redevelopment activity. In the event that
assessed values in the redevelopment project decline (e.g., because of a major
natural disaster such as an earthquake), the tax increment revenue may be
insufficient to make principal and interest payments on these bonds. Both
Moody's and S&P suspended ratings on California tax allocation bonds after the
enactment of Articles XIIIA and XIIIB, and only resumed such ratings on a
selective basis. 

Proposition 87, approved by California voters in 1988, requires that all
revenues produced by a tax rate increase go directly to the taxing entity
which increased such tax rate to repay that entity's general obligation
indebtedness. As a result, redevelopment agencies (which, typically, are the
Issuers of tax allocation securities) no longer receive an increase in tax
increment when taxes on property in the project area are increased to repay
voter-approved bonded indebtedness. 

The effect of these various constitutional and statutory changes upon the
ability of California municipal securities issuers to pay interest and
principal on their obligations remains unclear. Furthermore, other measures
affecting the taxing or spending authority of California or its political
subdivisions may be approved or enacted in the future. Legislation has been or
may be introduced which would modify existing taxes or other revenue-raising
measures or which either would further limit or, alternatively, would increase
the abilities of state and local governments to impose new taxes or increase
existing taxes. It is not presently possible to determine the impact of any
such legislation on California Municipal Obligations in which the Fund may
invest, future allocations of state revenues to local governments or the
abilities of state or local governments to pay the interest on, or repay the
principal of, such California Municipal Obligations. 

Substantially all of California is within an active geologic region subject to
major seismic activity. Any California Municipal Obligation in the Portfolio
could be affected by an interruption of revenues because of damaged
facilities, or, consequently, income tax deductions for casualty losses or
property tax assessment reductions. Compensatory financial assistance could be
constrained by the inability of (i) an issuer to have obtained earthquake
insurance coverage at reasonable rates; (ii) an insurer to perform on its
contracts of insurance in the event of widespread losses; or (iii) the Federal
or State government to appropriate sufficient funds within their respective
budget limitations. 

Tax Status. For a discussion of the Federal tax status of income earned on
California IM-IT Intermediate Laddered Maturity Trust Units, see "Other
Matters--Federal Tax Status". 

In the opinion of Orrick, Herrington & Sutcliffe, special counsel to the Fund
for California tax matters, under existing California income and property tax
law applicable to individuals who are California residents: 

the California IM-IT Intermediate Laddered Maturity Trust is not an
association taxable as a corporation and the income of the California IM-IT
Intermediate Laddered Maturity Trust will be treated as the income of the
Unitholders under the income tax laws of California; 

amounts treated as interest on the underlying Securities in the California
IM-IT Intermediate Laddered Maturity Trust which are exempt from tax under
California personal income tax and property tax laws when received by the
California IM-IT Intermediate Laddered Maturity Trust will, under such laws,
retain their status as tax-exempt interest when distributed to Unitholders.
However, interest on the underlying Securities attributed to a Unitholder
which is a corporation subject to the California franchise tax laws may be
includable in its gross income for purposes of determining its California
franchise tax. Further, certain interest which is attributable to a Unitholder
subject to the California personal income tax and which is treated as an item
of tax preference for purposes of the federal alternative minimum tax pursuant
to Section 57(a)(5) of the Internal Revenue Code of 1986 may also be treated
as an item of tax preference that must be taken into account in computing such
Unitholder's alternative minimum taxable income for purposes of the California
alternative minimum tax enacted by 1987 California Statutes, chapter 1138.
However, because of the provisions of the California Constitution exempting
the interest on bonds issued by the State of California, or by local
governments within the state, from taxes levied on income, the application of
the new California alternative minimum tax to interest otherwise exempt from
the California personal income tax in some cases may be unclear; 

under California income tax law, each Unitholder in the California IM-IT
Intermediate Laddered Maturity Trust will have a taxable event when the
California IM-IT Intermediate Laddered Maturity Trust disposes of a Security
(whether by sale, exchange, redemption, or payment at maturity) or when the
Unitholder redeems or sells Units. Because of the requirement that tax cost
basis be reduced to reflect amortization of bond premium, under some
circumstances a Unitholder may realize taxable gains when Units are sold or
redeemed for an amount equal to, or less than, their original cost. The total
cost of each Unit in the California IM-IT Intermediate Laddered Maturity Trust
to a Unitholder is allocated among each of the Bond issues held in the
California IM-IT Intermediate Laddered Maturity Trust (in accordance with the
proportion of the California IM-IT Intermediate Laddered Maturity Trust
comprised by each Bond issue) in order to determine his per Unit tax cost for
each Bond issue; and the tax cost reduction requirements relating to
amortization of bond premium will apply separately to the per Unit tax cost of
each Bond issue. Unitholders' bases in their units, and the bases for their
fractional interest in each Trust asset, may have to be adjusted for their pro
rata share of accrued interest received, if any, on Securities delivered after
the Unitholders' respective settlement dates; 

under the California personal property tax laws, bonds (including the
Securities in the California IM-IT Intermediate Laddered Maturity Trust) or
any interest therein is exempt from such tax; 

any proceeds paid under the insurance policy issued to the California IM-IT
Intermediate Laddered Maturity Trust with respect to the Securities which
represent maturing interest on defaulted obligations held by the Trustee will
be exempt from California personal income tax if, and to the same extent as,
such interest would have been so exempt if paid by the issuer of the defaulted
obligations; and 

under Section 17280(b)(2) of the California Revenue and Taxation Code,
interest on indebtedness incurred or continued to purchase or carry Units of
the California IM-IT Intermediate Laddered Maturity Trust is not deductible
for the purposes of the California personal income tax. While there presently
is no California authority interpreting this provision, Section 17280(b)(2)
directs the California Franchise Tax Board to prescribe regulations
determining the proper allocation and apportionment of interest costs for this
purpose. The Franchise Tax Board has not yet proposed or prescribed such
regulations. In interpreting the generally similar Federal provision, the
Internal Revenue Service has taken the position that such indebtedness need
not be directly traceable to the purchase or carrying of Units (although the
Service has not contended that a deduction for interest on indebtedness
incurred to purchase or improve a personal residence or to purchase goods or
services for personal consumption will be disallowed). In the absence of
conflicting regulations or other California authority, the California
Franchise Tax Board generally has interpreted California statutory tax
provisions in accord with Internal Revenue Service interpretations of similar
Federal provisions. 

At the respective times of issuance of the Securities, opinions relating to
the validity thereof and to the exemption of interest thereon from Federal
income tax and California personal income tax are rendered by bond counsel to
the respective issuing authorities. Except in certain instances in which
Orrick, Herrington & Sutcliffe acted as bond counsel to issuers of Securities,
and as such made a review of proceedings relating to the issuance of certain
Securities at the time of their issuance, Orrick, Herrington & Sutcliffe has
not made any special review for the California IM-IT Intermediate Laddered
Maturity Trust of the proceedings relating to the issuance of the Securities
or of the basis for such opinions.

 



<TABLE>
<CAPTION>
Per Unit Information:                                                                     
                                                                                          
<S>                                                                            <C>        
Calculation of Estimated Net Annual Unit Income:                                          
 Estimated Annual Interest Income per Unit.................................... $    49.77 
 Less: Estimated Annual Expense per Unit <F1>................................. $     2.08 
 Less: Annual Premium on Portfolio Insurance per Unit.........................         -- 
 Estimated Net Annual Interest Income per Unit................................ $    47.69 
Calculation of Estimated Interest Earnings Per Unit:                                      
 Estimated Net Annual Interest Income per Unit................................ $    47.69 
 Divided by 12................................................................ $     3.97 
Estimated Daily Rate of Net Interest Accrual per Unit......................... $   .13247 
Estimated Current Return Based on Public Offering Price <F2><F3><F4>..........       4.67%
Estimated Long-Term Return <F2><F3><F4>.......................................       4.89%
Initial Distribution (November 1994).......................................... $     2.52 
Estimated Normal Distribution per Unit <F4>................................... $     3.97 
Purchased Interest <F5>....................................................... $     8.30 
 Trustee's Annual Fee.............. $.98 per $1,000 principal amount of Bonds             
 Record and Computation Dates...... FIRST day of each month  
 Distribution Dates ............... FIFTEENTH day of each month commencing  
                                    November 15, 1994 


<FN>
<F1>Excluding insurance costs. 

<F2>The Estimated Current Return and Estimated Long-Term Return are increased for
transactions entitled to a reduced sales charge. See "Unitholder
Explanations--Public Offering--General".

<F3>The Estimated Current Return is calculated by dividing the estimated net
annual interest income per Unit by the Public Offering Price. The estimated
net annual interest income per Unit will vary with changes in fees and
expenses of the Trustee and the Evaluator and with the principal prepayment,
redemption, maturity, exchange or sale of Securities while the Public Offering
Price will vary with changes in the offering price of the underlying
Securities and with changes in the Purchased Interest; therefore, there is no
assurance that the present Estimated Current Return indicated above will be
realized in the future. The Estimated Long-Term Return is calculated using a
formula which (1) takes into consideration, and determines and factors in the
relative weightings of, the market values, yields (which takes into account
the amortization of premiums and the accretion of discounts) and estimated
retirements of all of the Securities in the Trust and (2) takes into account
the expenses and sales charge associated with each Trust Unit. Since the
market values and estimated retirements of the Securities and the expenses of
the Trust will change, there is no assurance that the present Estimated
Long-Term Return as indicated above will be realized in the future. The
Estimated Current Return and Estimated Long-Term Return are expected to differ
because the calculation of the Estimated Long-Term Return reflects the
estimated date and amount of principal returned while the Estimated Current
Return calculation includes only net annual interest income and Public
Offering Price.

<F4>These figures are based on estimated per Unit cash flows. Estimated cash flows
will vary with changes in fees and expenses, with changes in current interest
rates and with the principal prepayment, redemption, maturity, call, exchange
or sale of the underlying Securities. The estimated cash flows for this Series
are set forth under "Estimated Cash Flows to Unitholders".

<F5>See "Unitholder Explanations--Purchased and Accrued Interest". 
</TABLE>





<TABLE>
CALIFORNIA IM-IT INTERMEDIATE LADDERED MATURITY
SERIES 14 (166TH INSURED MULTI-SERIES)
PORTFOLIO As of October 4, 1994

<CAPTION>
                                                                                                                    Offering       
                                                                                                                    Price To       
                                                                                                                    California     
                                                                                                                    IM-IT          
                                                                                                                    Intermediate   
                                                                                                                    Laddered       
Aggregate      Name of Issuer, Title, Interest Rate andMaturity Date of either                      Redemption      Maturity       
Principal<F1>  Bonds Deposited orBonds Contracted for<F1><F5>                           Rating<F2>  Feature<F3>     Trust<F4>      
<S>            <C>                                                                   <C>            <C>             <C>            
$     600,000  Riverside County Transportation Commission (California) Sales Tax                                                   
               Revenue Bonds (Limited Tax Bonds) Series 1993A (AMBAC  Indemnity                                                    
               Insured)  #4.875% Due 6/1/1999.......................................           AAA                  $     599,142
      595,000  California Statewide Communities Development Authority,                         
               Certificates of Participation, Good Samaritan Health System  (CapMAC           YAAA                        125,761  
               Insured)  #125M - 5.30% Due 5/1/2000 #220M - 5.40% Due 5/1/2001                YAAA                        221,417  
               #250M - 5.50% Due 5/1/2002...........................................          YAAA                        251,693  
      475,000  Moulton Niguel, California, Water District, 1993 Consolidated                                                       
               Refunding Bonds, General Obligation Bonds of the  Improvement                                                       
               Districts, Series 1993 (MBIA Insured)  #4.60% Due 9/1/2000...........           AAA                        459,168  
      180,000  Redevelopment Agency of the City of San Jose, California, Merged                                                    
               Area Redevelopment Project, Tax Allocation Bonds,  Series 1993 (MBIA                                                
               Insured)  #4.60% Due 8/1/2001........................................           AAA                        171,880  
      280,000  State of California, Various Purpose General Obligation Bonds                                                    
               (AMBAC Indemnity Insured)  #200M - 5.10% Due 8/1/2001     80M -                YAAA                        199,036  
               5.20% Due 8/1/2002...................................................          YAAA                         79,535  
      140,000  Castaic Lake Water Agency (California) Refunding Revenue                                                            
               Certificates of Participation (Water System Improvement  Projects)             
               Series 1994A (MBIA Insured)  #5.30% Due 8/1/2002.....................          YAAA                        140,072  
      130,000  State Public Works Board of the State of California, Lease  Revenue                                                 
               Refunding Bonds, Department of Corrections, Series  1993A (Various                                                  
               State Prisons) AMBAC Indemnity Insured  #5.00% Due 12/1/2002.........           AAA                        127,508  
      300,000  State of California, Various Purpose General Obligation Bonds  (MBIA                                                
               Insured)  #5.10% Due 4/1/2003........................................           AAA                        294,069  
      300,000  State Public Works Board of the State of California, Lease  Revenue                                                 
               Refunding Bonds, Department of Corrections, Series 1993C (Del                                                       
               Norte/Imperial) MBIA Insured  #4.70% Due 12/1/2003...................           AAA                        280,998  
$   3,000,000                                                                                                       $   2,950,279  
</TABLE>


All of the Bonds in the portfolio are insured by one of the Preinsured Bond
Insurers as indicated in the Bond name. See "Unitholder
Explanations--Insurance on the Bonds in the Insured Trusts". 

For an explanation of the footnotes used on this page, see "Notes to
Portfolios". 

OHIO IM-IT INTERMEDIATE LADDERED MATURITY TRUST 

General. The Ohio IM-IT Intermediate Laddered Maturity Trust consists of 15
issues of Securities. Four of the Bonds in the Ohio IM-IT Intermediate
Laddered Maturity Trust are general obligations of the governmental entities
issuing them and are backed by the taxing power thereof. The remaining issues
are payable from the income of a specific project or authority and are not
supported by the issuer's power to levy taxes. These issues are divided by
purpose of issues (and percentage of principal amount to total Ohio IM-IT
Intermediate Laddered Maturity Trust) as follows: Higher Education, 5 (29%);
General Obligations, 4 (22%); Health Care, 3 (20%); Public Building, 1 (20%)
and Water and Sewer, 2 (9%). No Bond issue has received a provisional rating.
All of the obligations in the Ohio IM-IT Intermediate Laddered Maturity
Intermediate Laddered Maturity Trust mature within 5-10 years of the Date of
Deposit. Commencing in approximately the fifth year of the Trust, roughly 20%
of the Bonds contained in the Trust will mature each year. The dollar weighted
average maturity of the Bonds in the Trust is 7.02 years.

Risk Factors. As described above, the Ohio IM-IT Intermediate Laddered
Maturity will invest most of its net assets in securities issued by or on
behalf of (or in certificates of participation in lease-purchase obligations
of) the State of Ohio, political subdivisions of the State, or agencies or
instrumentalities of the State or its political subdivisions ("Ohio
Obligations"). The Ohio IM-IT Intermediate Laddered Maturity is therefore
susceptible to general or particular political, economic or regulatory factors
that may affect issuers of Ohio Obligations. The following information
constitutes only a brief summary of some of the many complex factors that may
have an effect. The information does not apply to "conduit"
obligations on which the public issuer itself has no financial responsibility.
This information is derived from official statements of certain Ohio issuers
published in connection with their issuance of securities and from other
publicly available documents, and is believed to be accurate. No independent
verification has been made of any of the following information. 

The creditworthiness of Ohio Obligations of local issuers is generally
unrelated to that of obligations of the State itself, and the State has no
responsibility to make payments on those local obligations. There may be
specific factors that at particular times apply in connection with investment
in particular Ohio Obligations or in those obligations of particular Ohio
issuers. It is possible that the investment may be in particular Ohio
Obligations, or in those of particular issuers, as to which those factors
apply. However, the information below is intended only as a general summary,
and is not intended as a discussion of any specific factors that may affect
any particular obligation or issuer. 

The timely payment of principal of and interest on Ohio Obligations has been
guaranteed by bond insurance purchased by the issuers, the Ohio IM-IT
Intermediate Laddered Maturity or other parties. Ohio Obligations may not be
subject to the factors referred to in this section of the Prospectus. 

Ohio is the seventh most populous state. Its 1990 Census count of 10,847,000
indicates a 0.5% population increase from 1980. 

While diversifying more into the service and other non-manufacturing areas,
the Ohio economy continues to rely in part on durable goods manufacturing
largely concentrated in motor vehicles and equipment, steel, rubber products
and household appliances. As a result, general economic activity, as in many
other industrially-developed states, tends to be more cyclical than in some
other states and in the nation as a whole. Agriculture is an important segment
of the economy, with over half the State's area devoted to farming and
approximately 15% of total employment in agribusiness. 

In prior years, the State's overall unemployment rate was commonly somewhat
higher than the national figure. For example, the reported 1990 average
monthly State rate was 5.7%, compared to the 5.5% national figure. However,
for 1991, 1992 and 1993 the State rates (6.4%, 7.2% and 6.5%) were below the
national rates (6.7%, 7.4% and 6.8%). The unemployment rate and its effects
vary among particular geographic areas of the State. 

There can be no assurance that future national, regional or state-wide
economic difficulties, and the resulting impact on State or local government
finances generally, will not adversely affect the market value of Ohio
Obligations held in the Ohio IM-IT Intermediate Laddered Maturity portfolio or
the ability of particular obligors to make timely payments of debt service on
(or lease payments relating to) those Obligations. 

The State operates on the basis of a fiscal biennium for its appropriations
and expenditures, and is precluded by law from ending its July 1 to June 30
fiscal year ("FY") or fiscal biennium in a deficit position. Most
State operations are financed through the General Revenue Fund ("GRF"),
for which personal income and sales-use taxes are the major sources. Growth
and depletion of GRF ending fund balances show a consistent pattern related to
national economic conditions, with the ending FY balance reduced during less
favorable and increased during more favorable economic periods. The State has
well-established procedures for, and has timely taken, necessary actions to
ensure resource/expenditure balances during less favorable economic periods.
These procedures include general and selected reductions in appropriations
spending. 

Key biennium ending fund balances at June 30, 1989 were $475.1 million in the
GRF and $353 million in the Budget Stabilization Fund ("BSF", a cash
and budgetary management fund). In FYs 1990-91, necessary corrective steps
were taken to respond to lower receipts and higher expenditures in certain
categories than earlier estimated. Those steps included, selected reductions
in appropriations spending and the transfer of $64 million from the BSF to the
GRF. The State reported June 30, 1991 ending fund balances of $135.3 million
(GRF) and $300 million (BSF). 

To allow time to resolve certain Senate and House budget differences for the
latest complete biennium that began July 1, 1991, an interim appropriations
act was enacted effective July 1, 1991; it included debt service and lease
rental GRF appropriations for the entire 1992-93 biennium, while continuing
most other appropriations for a month. The general appropriations act for the
entire biennium was passed on July 11, 1991 and signed by the Governor.
Pursuant to it, $200 million was transferred from the BSF to the GRF in FY
1992. 

Based on updated FY financial results and economic forecast in the course of
FY 1992, both in light of the continuing uncertain nationwide economic
situation, there was projected and timely addressed an FY 1992 imbalance in
GRF resources and expenditures. GRF receipts significantly below original
forecasts resulted primarily from lower collections of certain taxes,
particularly sales and use taxes and personal income taxes. Higher expenditure
levels resulted from higher spending in certain areas, particularly human
services including Medicaid. As an initial action, the Governor ordered most
State agencies to reduce GRF spending in the last six months of FY 1992 by a
total of approximately $184 million. As authorized by the General Assembly the
$100.4 million BSF balance, and additional amounts from certain other funds,
were transferred late in the FY to the GRF, and adjustments in the timing of
certain tax payments made. Other administrative revenue and spending actions
resolved the remaining GRF imbalance. 

A significant GRF shortfall (approximately $520 million) was then projected
for FY 1993. It was addressed by appropriate legislative and administrative
actions. As a first step the Governor ordered, effective July 1, 1992, $300
million in selected GRF spending reductions. Executive and legislative action
in December 1992--a combination of tax revisions and additional appropriations
spending reductions--resulted in a balance of GRF resources and expenditures
in the 1992-93 biennium. The State reported an ending GRF fund balance at June
30, 1993 of approximately $111 million, and as a first step to BSF
replenishment, OBM then deposited $21 million in the BSF. (Based on June 30,
1994 balances, an additional $260 million has been deposited in the BSF.)

No spending reductions were applied to appropriations needed for debt service
or lease rentals on any State obligations. 

The GRF appropriations act for the current 1994-95 biennium was passed and
signed by the Governor on July 1, 1993. It includes all necessary GRF
appropriations for biennial State debt service and lease rental payments. 

The State's incurrence or assumption of debt without a vote of the people is,
with limited exceptions, prohibited by current State Constitutional
provisions. The State may incur debt, limited in amount to $750,000, to cover
casual deficits or failures in revenues or to meet expenses not otherwise
provided for. The Constitution expressly precludes the State from assuming the
debts of any local government or corporation. (An exception is made in both
cases for any debt incurred to repel invasion, suppress insurrection or defend
the State in war.) 

By 13 constitutional amendments, the last adopted in 1993, Ohio voters have
authorized the incurrence of State debt and the pledge to its payment of taxes
or excises. At August 12, 1994, $671.3 million (excluding certain highway
bonds payable primarily from highway use charges) of this debt was
outstanding. The only such State debt then still authorized to be incurred are
portions of the highway bonds, and the following: (a) up to $100 million of
obligations for coal research and development may be outstanding at any one
time ($43.1 million outstanding); (b) $1.2 billion of obligations authorized
for local infrastructure improvements, no more than $120 million may be issued
in any calendar year ($625.3 million outstanding, $480 million remaining to be
issued); and (c) up to $200 million in general obligation bonds for parks and
recreation purposes may be outstanding at any one time (no more than $50
million to be issued in any one year, and none have yet been issued). 

The Constitution also authorizes the issuance of State obligations for certain
purposes, the owners of which do not have the right to have excises or taxes
levied to pay debt service. Those special obligations include obligations
issued by the Ohio Public Facilities Commission and the Ohio Building
Authority, $4.2 billion of which were outstanding at August 12, 1994. 

A 1990 constitutional amendment authorizes greater State and political
subdivision participation (including financing) in the provision of housing.
The General Assembly may for that purpose authorize the issuance of State
obligations secured by a pledge of all or such portion as it authorizes of
State revenues or receipts (but not by a pledge of the State's full faith and
credit). 

State and local agencies issue revenue obligations that are payable from
revenues from or relating to certain facilities (but not from taxes). By
judicial interpretation, these obligations are not "debt"within
constitutional provisions. In general, payment obligations under
lease-purchase agreements of Ohio public agencies (in which certificates of
participation may be issued) are limited in duration to the agency's fiscal
period, and are renewable only upon appropriations being made available for
the subsequent fiscal period. 

Local school districts in Ohio receive a major portion (on a state-wide basis,
approximately 46% in recent years) of their operating moneys from State
subsidies, but are dependent on local property taxes, and in 102 districts
from voter-authorized income taxes, for significant portions of their budgets.
Litigation, similar to that in other states, is pending questioning the
constitutionality of Ohio's system of school funding. The trial court recently
concluded that aspects of the system (including basic operating assistance)
are unconstitutional and ordered the State to provide for and fund a system
complying with the Ohio Constitution. The State has appealed. A small number
of the State's 612 local school districts have in any year required special
assistance to avoid year-end deficits. A current program provides for school
district cash need borrowing directly from commercial lenders, with diversion
of State subsidy distributions to repayment if needed; in FY 1991 under this
program 26 districts borrowed a total of $41.8 million (including over $27
million by one district), and in FY 1992 borrowings totalled $68.6 million
(including $46.6 million for one district). FY 1993 loans totalled $94.5
million for 27 districts (including $75 million for one). FY 1994 loans
totalled $15.6 million for 28 districts. 

Ohio's 943 incorporated cities and villages rely primarily on property and
municipal income taxes for their operations, and, with other local
governments, receive local government support and property tax relief moneys
distributed by the State. For those few municipalities that on occasion have
faced significant financial problems, there are statutory procedures for a
joint State/local commission to monitor the municipality's fiscal affairs and
for development of a financial plan to eliminate deficits and cure any
defaults. Since inception in 1979, these procedures have been applied to 23
cities and villages; for 18 of them the fiscal situation was resolved and the
procedures terminated. 

At present the State itself does not levy ad valorem taxes on real or tangible
personal property. Those taxes are levied by political subdivisions and other
local taxing districts. The Constitution has since 1934 limited the amount of
the aggregate levy (including a levy for unvoted general obligations) of
property taxes by all overlapping subdivisions, without a vote of the electors
or a municipal charter provision, to 1% of true value in money, and statutes
limit the amount of that aggregate levy to 10 mills per $1 of assessed
valuation (commonly referred to as the "ten-mill limitation"). Voted
general obligations of subdivisions are payable from property taxes that are
unlimited as to amount or rate. 

Tax Status. For a discussion of the Federal tax status of income earned on
Ohio IM-IT Intermediate Laddered Maturity Trust Units, see "Other
Matters--Federal Tax Status". 

Commencing in 1985, Ohio municipalities may be permitted under Ohio law to
subject interest on certain of the obligations held by the Ohio IM-IT
Intermediate Laddered Maturity Trust to income taxes imposed on their
residents and entities doing business therein. 

In the opinion of Squire, Sanders & Dempsey, special counsel to the Fund for
Ohio tax matters, under existing law: 

The Ohio IM-IT Intermediate Laddered Maturity Trust is not taxable as a
corporation or otherwise for purposes of the Ohio personal income tax, Ohio
school district income taxes, the Ohio corporation franchise tax, or the Ohio
dealers in intangibles tax. 

Income of the Ohio IM-IT Intermediate Laddered Maturity Trust will be treated
as the income of the Unitholders for purposes of the Ohio personal income tax,
Ohio school district income taxes, Ohio municipal income taxes and the Ohio
corporation franchise tax in proportion to the respective interest therein of
each Unitholder.

Interest on obligations issued by or on behalf of the State of Ohio, political
subdivisions thereof, or agencies or instrumentalities thereof ("Ohio
Obligations"), or by the governments of Puerto Rico, the Virgin Islands or
Guam ("Territorial Obligations") held by the Trust is exempt from the
Ohio personal income tax, Ohio municipal income taxes and Ohio school district
income taxes, and is excluded from the net income base of the Ohio corporation
franchise tax when distributed or deemed distributed to Unitholders. 

Proceeds paid to the Ohio IM-IT Intermediate Laddered Maturity Trust under
insurance policies representing maturing interest on defaulted obligations
held by the Ohio IM-IT Intermediate Laddered Maturity Trust will be exempt
from Ohio personal income tax, Ohio school district income taxes, Ohio
municipal income taxes and the net income base of the Ohio corporation
franchise tax to the same extent as if such defaulted Obligations were held
directly by the Unitholders. 

Gains and losses realized on the sale, exchange or other disposition by the
Ohio IM-IT Intermediate Laddered Maturity Trust of Ohio Obligations are
excluded in determining adjusted gross and taxable income for purposes of the
Ohio personal income tax, Ohio municipal income taxes and Ohio school district
income taxes, and are excluded from the net income base of the Ohio
corporation franchise tax when distributed or deemed distributed to
Unitholders.





<TABLE>
<CAPTION>
Per Unit Information:                                                                      
<S>                                                                          <C>        
Calculation of Estimated Net Annual Unit Income <F1>:            
 Estimated Annual Interest Income per Unit ................................. $    50.71 
 Less: Estimated Annual Expense per Unit <F2> .............................. $     1.99 
 Less: Annual Premium on Portfolio Insurance per Unit                               -- 
 Estimated Net Annual Interest Income per Unit ............................. $    48.72 
Calculation of Estimated Interest Earnings Per Unit:             
 Estimated Net Annual Interest Income per Unit ............................. $    48.72 
 Divided by 12.............................................................. $     4.06 
Estimated Daily Rate of Net Interest Accrual per Unit ...................... $   .13531 
Estimated Current Return Based on Public Offering Price <F1><F3><F4><F5> ...       4.74%
Estimated Long-Term Return <F3><F4><F5> ....................................       4.87%
Initial Distribution (November 1994)........................................ $     2.57 
Estimated Normal Distribution per Unit <F5> ................................ $     4.06 
Purchased Interest <F6>..................................................... $     7.25 
 Trustee's Annual Fee <F1>.......$.98 per $1,000 principal amount of Bonds  
 Record and Computation Dates....FIRST day of each month  
 Distribution Dates .............FIFTEENTH day of each month commencing  
                                 November 15, 1994. 




<FN>
<F1>During the first year the Trustee will reduce its fee by approximately $.09
per Unit (which amount is the estimated interest to be earned per Unit prior
to the expected delivery dates for the "when, as and if issued"Bonds
included in this Trust). Should such estimated interest exceed such amount,
the Trustee will reduce its fee up to its annual fee. After the first year,
the Trustee's fee will be that amount indicated above. Estimated annual
interest income per Unit will be increased to $50.80. Estimated Annual Expense
per Unit (excluding insurance) will be increased to $2.08; and estimated net
annual interest income per Unit will remain the same as shown. See "
Estimated Current Returns and Estimated Long-Term Returns."Based on the
outstanding principal amount of Securities as of the Date of Deposit, the
Trustee's annual fee would be $2,940.

<F2>Excluding insurance costs.

<F3>The Estimated Current Return and Estimated Long-Term Return are increased for
transactions entitled to a reduced sales charge. See "Unitholder
Explanations--Public Offering--General".

<F4>The Estimated Current Return is calculated by dividing the estimated net
annual interest income per Unit by the Public Offering Price. The estimated
net annual interest income per Unit will vary with changes in fees and
expenses of the Trustee and the Evaluator and with the principal prepayment,
redemption, maturity, exchange or sale of Securities while the Public Offering
Price will vary with changes in the offering price of the underlying
Securities and with changes in the Purchased Interest; therefore, there is no
assurance that the present Estimated Current Return indicated above will be
realized in the future. The Estimated Long-Term Return is calculated using a
formula which (1) takes into consideration, and determines and factors in the
relative weightings of, the market values, yields (which takes into account
the amortization of premiums and the accretion of discounts) and estimated
retirements of all of the Securities in the Trust and (2) takes into account
the expenses and sales charge associated with each Trust Unit. Since the
market values and estimated retirements of the Securities and the expenses of
the Trust will change, there is no assurance that the present Estimated
Long-Term Return as indicated above will be realized in the future. The
Estimated Current Return and Estimated Long-Term Return are expected to differ
because the calculation of the Estimated Long-Term Return reflects the
estimated date and amount of principal returned while the Estimated Current
Return calculation includes only net annual interest income and Public
Offering Price.

<F5>These figures are based on estimated per Unit cash flows. Estimated cash flows
will vary with changes in fees and expenses, with changes in current interest
rates and with the principal prepayment, redemption, maturity, call, exchange
or sale of the underlying Securities. The estimated cash flows for this Series
are set forth under "Estimated Cash Flows to Unitholders".

<F6>See "Unitholder Explanations--Purchased and Accrued Interest". 
</TABLE>





<TABLE>
OHIO IM-IT INTERMEDIATE LADDERED MATURITY TRUST
SERIES 6 (166TH INSURED MULTI-SERIES)
PORTFOLIO As of October 4, 1994

<CAPTION>
                                                                                                                    Offering       
                                                                                                                    Price To       
                                                                                                                    Ohio IM-IT     
                                                                                                                    Intermediate   
                                                                                                                    Laddered       
Aggregate      Name of Issuer, Title, Interest Rate andMaturity Date of either                      Redemption      Maturity       
Principal<F1>  Bonds Deposited orBonds Contracted for<F1><F5>                           Rating<F2>  Feature<F3>     Trust<F4>      
<S>            <C>                                                                   <C>            <C>             <C>            
$     600,000  State of Ohio (Ohio Building Authority) State Facilities Bonds                                                      
               (Administrative Building Fund Projects) Series 1994A (MBIA  Insured)            
                5.05% Due 10/1/1999.................................................           YAAA                  $    602,250
      600,000  State of Ohio (Ohio Higher Educational Facility Commission) Higher             
               Educational Facility Revenue Bonds (Ohio Wesleyan University  1994              YAAA                       100,111  
               Project) MBIA Insured**  #100M- 5.10% Due 11/15/2000 #225M- 5.20%               YAAA                       225,171  
               Due 11/15/2001 #275M- 5.40% Due 11/15/2003...........................           YAAA                       275,039
      470,000  North Canton City School District, Ohio, School Improvement Bonds,             
               Series 1994 (General Obligation- Unlimited Tax) AMBAC Indemnity                 YAAA                       200,750  
               Insured  200M - 5.15% Due 12/1/2000 85M - 5.25% Due 12/1/2001 185M -            YAAA                        85,318  
               5.35% Due 12/1/2002..................................................           YAAA                       185,694  
      200,000  County of Summit, Ohio, Various Purpose General Obligation Bonds                                                    
               (Limited Tax) Series 1994 (AMBAC Indemnity Insured)**  5.15% Due               
               12/1/2000............................................................           YAAA                       200,750  
      100,000  Ohio State Water Development Authority, Revenue Refunding and                                                       
               Improvement Bonds (MBIA Insured)  5.40% Due 12/1/2000................            AAA                       101,669  
      100,000  County of Hamilton, Ohio, Hospital Facilities Revenue Bonds                                                         
               (Children's Hospital Medical Center) Series 1993D (FGIC Insured)                                                    
               #4.70% Due 5/15/2001.................................................            AAA                        96,101
      505,000  Board of County Hospital Trustee of Portage County, Ohio, Hospital                                               
               Revenue Bonds, Series 1994 (Robinson Memorial Hospital) MBIA                    YAAA                       187,923  
               Insured  #190M - 5.05% Due 11/15/2001 #315M - 5.15% Due 11/15/2002...           YAAA                       311,053  
      100,000  State of Ohio, Public Facilities Commission, Higher Education                                                       
               Capital  Facilities Revenue Bonds, Series 1993A-II (AMBAC Indemnity                                                 
               Insured)  #4.70% Due 6/1/2002........................................            AAA                        94,884  
      155,000  Ohio Water Development Authority, State of Ohio, Water Pollution                                                    
               Control Loan Fund Revenue Bonds, State Match Series 1993  (MBIA                                                     
               Insured)  #4.65% Due 6/1/2003........................................            AAA                       145,522  
      170,000  The Ohio University (A State University of Ohio) General Receipts                                                   
               Bonds, Series 1993 (FGIC Insured)  #4.50% Due 12/1/2003..............            AAA                       155,841  
$   3,000,000                                                                                                       $   2,968,076  
</TABLE>




All of the Bonds in the portfolio are insured by one of the Preinsured Bond
Insurers as indicated in the Bond name. See "Unitholder
Explanations--Insurance on the Bonds in the Insured Trusts". 

For an explanation of the footnotes used on this page, see "Notes to
Portfolios". 

NOTES TO PORTFOLIOS:As of the Date of Deposit: October 4, 1994

(1)All Securities are represented by "regular way"or "when
issued"contracts for the performance of which an irrevocable letter of
credit, obtained from an affiliate of the Trustee, has been deposited with the
Trustee. At the Date of Deposit, Securities may have been delivered to the
Sponsor pursuant to certain of these contracts; the Sponsor has assigned to
the Trustee all of its right, title and interest in and to such Securities.
Contracts to acquire Securities were entered into during the period from
September 19,1994 to October 3,1994. These Securities have expected settlement
dates ranging from October 4,1994 to October 18,1994 (see "Unitholder
Explanations"). 
    
(2)All ratings are by Standard & Poor's Corporation unless otherwise 
indicated. "*"indicates that the rating of the Bond is by Moody's Investors
Service, Inc. The ratings represent the latest published ratings by the
respective ratings agency or, if not published, represent private letter
ratings or those ratings expected to be published by the respective ratings
agency. "Y"indicates that such rating is contingent upon physical
receipt by the respective ratings agency of a policy of insurance obtained by
the issuer of the bonds involved and issued by the Preinsured Bond Insurer
named in the bond's title. A commitment for insurance in connection with these
bonds has been issued by the Preinsured Bond Insurer named in the bond's
title. "N/R"indicates that the applicable rating service did not
provide a rating for that particular Security. For a brief description of the
rating symbols and their related meanings, see "Other Matters--Description
of Securities Ratings". 

(3)There is shown under this heading the year in which each issue of Bonds is
initially or currently callable and the call price for that year. Each issue
of Bonds continues to be callable at declining prices thereafter (but not
below par value) except for original issue discount bonds which are redeemable
at prices based on the issue price plus the amount of original issue discount
accreted to redemption date plus, if applicable, some premium, the amount of
which will decline in subsequent years. "S.F."indicates a sinking
fund is established with respect to an issue of Bonds. Redemption pursuant to
call provisions generally will, and redemption pursuant to sinking fund
provisions may, occur at times when the redeemed bonds have an offering side
valuation which represents a premium over par. Certain Bonds may be subject to
redemption without premium prior to the date shown pursuant to extraordinary
optional or mandatory redemptions if certain events occur. Single family
mortgage revenue bonds and housing authority bonds are most likely to be
called subject to such provisions, but other bonds may have similar call
features. Notwithstanding any provisions to the contrary, certain bond issuers
have in the past and others may in the future attempt to redeem Bonds prior to
their initially scheduled call dates and at prices which do not include any
premiums. For a general discussion of certain of these events, see "
Unitholder Explanations--Bond Redemptions". To the extent that the
Securities were deposited in a Trust at a price higher than the price at which
they are redeemed, this will represent a loss of capital when compared with
the original Public Offering Price of the Units. Conversely, to the extent
that the Bonds were acquired at a price lower than the redemption price, this
will represent an increase in capital when compared with the original Public
Offering Price of the Units. Distributions will generally be reduced by the
amount of the income which would otherwise have been paid with respect to
redeemed Securities and there will be distributed to Unitholders the principal
amount and any premium received on such redemption. The Estimated Current
Return and Estimated Long-Term Return in this event may be affected by such
redemptions. For the Federal tax effect on Unitholders of such redemptions and
resultant distributions, see paragraph (2) under "Other Matters--Federal
Tax Status".

(4)Evaluation of Securities is made on the basis of current offering prices 
for the Securities. The offering prices are greater than the current bid 
prices of the Securities which is the basis on which Unit value is determined
for purposes of redemption of Units (see "Unitholder Explanations--Public
Offering--Offering Price"). 
   
(5)Other information regarding the Bonds in each Trust, as of the Date of
Deposit, is as follows: 

<TABLE>
<CAPTION>
                                                                                      Annual                   
                                                   Annual                  Profit     Interest    Bid Side     
Trust                                              Insurance Cost to       (Loss) to  Income to   Evaluation of 
                                                   Cost      Sponsor       Sponsor    Trust       Bonds        
<S>                                                <C>       <C>           <C>        <C>         <C>          
IM-IT............................................. $--       $   8,473,950 $   46,942 $   552,669 $   8,450,938
California IM-IT Intermediate Laddered Maturity... $--       $   2,938,213 $   12,066 $   149,315 $   2,926,638
Ohio IM-IT Intermediate Laddered Maturity......... $--       $   2,949,308 $   18,768 $   152,385 $   2,945,444
</TABLE>

The Sponsor may have entered into contracts which hedge interest rate
fluctuations on certain Bonds in certain Portfolios. The cost of any such
contracts and the corresponding gain or loss is included in the Cost to
Sponsor. Certain Securities in the Fund, if any, marked by a double asterisk
(**), have been purchased on a "when, as and if issued" or "delayed delivery"
basis. Interest on these Securities begins accruing to
the benefit of Unitholders on their respective dates of delivery. Delivery is
expected to take place at various dates after the First Settlement Date as
follows: 

<TABLE>
<CAPTION>
                                                   Percent of                                         
Trust                                              Aggregate Principal       Range of Days Subsequent    
                                                   Amount                    to First Settlement Date    
<S>                                                <C>                       <C>                         
IM-IT.............................................                      6%                     1 day
California IM-IT Intermediate Laddered Maturity...                     --                       --
Ohio IM-IT Intermediate Laddered Maturity.........                     27%                  1 to 6 days
</TABLE>

On the Date of Deposit, the offering side evaluations of the Securities in the
IM-IT, California IM-IT Intermediate Laddered Maturity and Ohio IM-IT
Intermediate Laddered Maturity Trusts were higher than the bid side
evaluations of such Securities by 0.77%, 0.79% and 0.75%, respectively, of the
aggregate principal amounts of such Securities. 

"#" indicates that such Bond was issued at an original issue discount.
The tax effect of Bonds issued at an original issue discount is described in
"Other Matters--Federal Tax Status". 
    
(6)This Bond has been purchased at a deep discount from the par value because
there is little or no stated interest income thereon. Bonds which pay no
interest are normally described as "zero coupon"bonds. Over the life
of bonds purchased at a deep discount the value of such bonds will increase
such that upon maturity the holders of such bonds will receive 100% of the
principal amount thereof. Approximately 2% of the aggregate principal amount
of the Securities in the IM-IT are "zero coupon"bonds. 


Underwriting. The Underwriters named below have severally purchased Units in
the following respective amounts from the Sponsor. 
   
<TABLE>
<CAPTION>
Name                                                                                                                 IM-IT
                                            Address                                                                  Units
<S>                                         <C>                                                                  <C>      
Van Kampen Merritt Inc.                     One Parkview Plaza, Oakbrook Terrace, Illinois 60181                    4,302      
A.G. Edwards & Sons, Inc.                   One North Jefferson Avenue, St. Louis, Missouri 63103                   2,000 
B.C. Ziegler and Company                    215 North Main Street, West Bend, Wisconsin 53095                         300 
Dean Witter Reynolds, Incorporated          2 World Trade Center, 59th Floor, New York, New York 10048                250 
J.J.B. Hilliard, W.L. Lyons, Inc.           501 South Fourth Street, Louisville, Kentucky 40202                       250 
William R. Hough & Company                  100 Second Avenue South, 8th Floor, St. Petersburg, Florida 33701         250 
Edward D. Jones & Co.                       201 Progress Parkway, Maryland Heights, Missouri  63043                   250 
Principal Financial Securities, Inc.        Fountain Place, 1445 Ross Avenue, Suite 2300, Dallas, Texas 75201         250 
Advest, Inc.                                280 Trumbull Street, Hartford, Connecticut 06103                          100 
Robert W. Baird & Co. Inc.                  777 East Wisconsin Avenue, Milwaukee, Wisconsin 53202                     100 
Fidelity Capital Markets                                                                                                  
    A Division of National Financial                                                                                      
    Services Corporation                    161 Devonshire Street D4, Boston, Massachusetts 02110                     100 
First of Michigan Corporation               100 Renaissance Center, 26th Floor, Detroit, Michigan 48243               100 
Gruntal & Co., Incorporated                 14 Wall Street, New York, New York 10005                                  100 
Kemper Securities, Inc.                     77 West Wacker Drive, 28th Floor, Chicago, Illinois 60601                 100 
Mabon Securities Corp.                      One Liberty Plaza, 165 Broadway, New York, New York 10006                 100 
Prudential Securities Inc.                  32 Old Slip, 16th Floor, Financial Square, New York,                          
    Unit Investment Trust Dept.             New York 10292                                                            100 
Roosevelt & Cross Inc.                      20 Exchange Place, New York, New York 10005                               100 
Southwest Securities Inc.                   1201 Elm Street, Suite 4300, Dallas, Texas 75270                          100 
Stifel, Nicolaus & Company, Incorporated    500 North Broadway, St. Louis, Missouri 63102                             100 
Wheat, First Securities, Inc.               River Front Plaza, 901 East Byrd Street, Richmond, Virginia 23219         100 
                                                                                                                    9,052
</TABLE>

<TABLE>
<CAPTION>
                                                                                                    California
                                                                                                       IM-IT 
                                                                                                    Intermediate 
                                                                                                    Laddered 
Name                                                                                                Maturity Trust
                                      Address                                                           Units
<S>                                   <C>                                                           <C>      
Van Kampen Merritt Inc.               One Parkview Plaza, Oakbrook Terrace, Illinois 60181             2,300 
Dean Witter Reynolds, Incorporated    2 World Trade Center, 59th Floor, New York, New York 10048         500 
Gruntal & Co., Incorporated           14 Wall Street, New York, New York 10005                           100 
Prudential Securities Inc.            32 Old Slip, 16th Floor, Financial Square, New York,                   
    Unit Investment Trust Dept.       New York 10292                                                     100 
                                                                                                       3,000 
</TABLE>

<TABLE>
<CAPTION>
                                                                                                        Ohio 
                                                                                                       IM-IT 
                                                                                                    Intermediate 
                                                                                                    Laddered 
Name                                                                                                Maturity Trust
                                      Address                                                           Units
<S>                                   <C>                                                           <C>      
Van Kampen Merritt Inc.               One Parkview Plaza, Oakbrook Terrace, Illinois 60181             2,550 
Prudential Securities Inc.            32 Old Slip, 16th Floor, Financial Square, New York,                   
    Unit Investment Trust Dept.       New York 10292                                                     250 
Dean Witter Reynolds, Incorporated    2 World Trade Center, 59th Floor, New York, New York 10048         100 
Gruntal & Co., Incorporated           14 Wall Street, New York, New York 10005                           100 
                                                                                                       3,000 
</TABLE>
    



Units may also be sold to broker-dealers and others at prices representing the
per Unit concession or agency commission stated under "Trust
Administration--General--Unit Distribution". However, resales of Units by
such broker-dealers and others to the public will be made at the Public
Offering Price described in the Prospectus. The Sponsor reserves the right to
reject, in whole or in part, any order for the purchase of Units and the right
to change the amount of the concession or agency commission from time to time. 

In addition to any other benefits the Underwriters may realize from the sale
of the Units of the Fund, the Agreement Among Underwriters provides that the
Sponsor will share on a pro rata basis among those Underwriters who underwrite
at least 250 Units 50% of the aggregate gain, if any, represented by the
difference between the Sponsor's cost of the Securities in connection with
their acquisition and the evaluation thereof on the Date of Deposit less
deductions for certain accrued interest and certain other costs. See "
Trust Administration--General--Sponsor and Underwriter Compensation"and
"Portfolio"for the applicable Trust. 

Underwriters and broker-dealers of the Trusts, banks and/or others are
eligible to participate in a program in which such firms receive from the
Sponsor a nominal award for each of their representatives who have sold a
minimum number of units of unit investment trusts created by the Sponsor
during a specified time period. In addition, at various times the Sponsor may
implement other programs under which the sales forces of Underwriters,
brokers, dealers, banks and/or others may be eligible to win other nominal
awards for certain sales efforts, or under which the Sponsor will reallow to
any such Underwriters, brokers, dealers, banks and/or others that sponsor
sales contests or recognition programs conforming to criteria established by
the Sponsor, or participate in sales programs sponsored by the Sponsor, an
amount not exceeding the total applicable sales charges on the sales generated
by such persons at the public offering price during such programs. Also, the
Sponsor in its discretion may from time to time pursuant to objective criteria
established by the Sponsor pay fees to qualifying underwriters, brokers,
dealers, banks or others for certain services or activities which are
primarily intended to result in sales of Units of the Trusts. Such payments
are made by the Sponsor out of its own assets, and not out of the assets of
the Trusts. These programs will not change the price Unitholders pay for their
Units or the amount that the Trusts will receive from the Units sold.
Approximately every eighteen months the Sponsor holds a business seminar which
is open to Underwriters that sell units of trusts it sponsors. The Sponsor
pays substantially all costs associated with the seminar, excluding
Underwriter travel costs. Each Underwriter is invited to send a certain number
of representatives based on the gross number of units such firm underwrites
during a designated time period.

FUND ADMINISTRATION AND EXPENSES 

Sponsor. Van Kampen Merritt Inc., a Delaware corporation, is the Sponsor of
the Trust. Van Kampen Merritt Inc. is primarily owned by Clayton, Dubilier &
Rice, Inc., a New York-based private investment firm. Van Kampen Merritt Inc.
management owns a significant minority equity position. Van Kampen Merritt
Inc. specializes in the underwriting and distribution of unit investment
trusts and mutual funds. The Sponsor is a member of the National Association
of Securities Dealers, Inc. and has its principal office at One Parkview
Plaza, Oakbrook Terrace, Illinois 60181, (708) 684-6000. It maintains a branch
office in Philadelphia and has regional representatives in Atlanta, Dallas,
Los Angeles, New York, San Francisco, Seattle and Tampa. As of December 31,
1993 the total stockholders' equity of Van Kampen Merritt Inc. was
$122,167,000 (audited). (This paragraph relates only to the Sponsor and not to
the Insured Municipals Income Trust or to any Insured Multi-Series thereof or
to any other Underwriter. The information is included herein only for the
purpose of informing investors as to the financial responsibility of the
Sponsor and its ability to carry out its contractual obligations. More
detailed financial information will be made available by the Sponsor upon
request.)

As of March 31, 1994, the Sponsor and its affiliates managed or supervised
approximately $36.5 billion of investment products, of which over $24 billion
is invested in municipal securities. The Sponsor and its affiliates managed
$22.5 billion of assets, consisting of $8.2 billion for 21 open end mutual
funds, $8.0 billion for 34 closed-end funds and $6.3 billion for 51
institutional accounts. The Sponsor has also deposited approximately $24
billion of unit investment trusts. Based on cumulative assets deposited, the
Sponsor believes that it is the largest sponsor of insured municipal unit
investment trusts, primarily through the success of its Insured Municipals
Income Trust(R)or the IM-IT(R)trust. The Sponsor also provides
surveillance and evaluation services at cost for approximately $14 billion of
unit investment trust assets outstanding. Since 1976, the Sponsor has serviced
over one million retail investor accounts, opened through retail distribution
firms. Van Kampen Merritt Inc. is the sponsor of the various series of the
trusts listed below and the distributor of the mutual funds and closed-end
funds listed below. Unitholders may only invest in the trusts, mutual funds
and closed-end funds which are registered for sale in the state of residence
of such Unitholder. In order for a Unitholder to invest in the trusts, mutual
funds and closed-end funds listed below, such Unitholder must obtain a
prospectus relating to the trust or fund involved. A prospectus is the only
means by which an offer can be delivered to investors.

 



<TABLE>
Name of Trust
Trust Investment Objective
 

<CAPTION>
<S>                                                                   <C>
                                                                      Tax-exempt income by investing in insured municipal          
Insured Municipals Income Trust...................................... securities
                                                                      Double tax-exemption for California residents by investing   
California Insured Municipals Income Trust........................... in insured California municipal securities
                                                                      Double and in certain cases triple tax-exemption for New     
                                                                      York residents by investing in insured New York municipal    
New York Insured Municipals Income Trust............................. securities
                                                                      Double and in certain cases triple tax-exemption for         
                                                                      Pennsylvania residents by investing in insured Pennsylvania  
Pennsylvania Insured Municipals Income Trust......................... municipal securities
Insured Municipals Income Trust, Insured Multi-Series                                                                              
 (Premium Bond Series, National, Limited Maturity,                                                                                 
 Intermediate, Short Intermediate, Discount, Alabama, Arizona,                                                                     
 Arkansas, California, California Intermediate, California                                                                         
 Intermediate Laddered Maturity, California Premium, Colorado,                                                                     
 Connecticut, Florida, Florida Intermediate, Florida Intermediate                                                                  
 Laddered Maturity, Georgia, Louisiana, Massachusetts,                                                                             
 Massachusetts Premium, Michigan, Michigan Intermediate,                                                                           
 Michigan Intermediate Laddered Maturity, Michigan Premium,                                                                        
 Minnesota, Missouri, Missouri Intermediate Laddered Maturity,                                                                     
 Missouri Premium, New Jersey, New Jersey Intermediate                                                                             
 Laddered Maturity, New Mexico, New York, New York                                                                                 
 Intermediate, New York Intermediate Laddered Maturity, New           Tax-exempt income by investing in insured municipal          
 York Limited Maturity, Ohio, Ohio Intermediate, Ohio                 securities; all issuers of bonds in a state trust are        
 Intermediate Laddered Maturity, Ohio Premium, Oklahoma,              located in such state or in territories or possessions of    
 Pennsylvania, Pennsylvania Intermediate, Pennsylvania                the United States-- providing exemptions from all state      
 Intermediate Laddered Maturity, Pennsylvania Premium,                income tax for residents of such state (except for the       
 Tennessee, Texas, Texas Intermediate Laddered Maturity,              Oklahoma IM-IT Trust where a portion of the income of the    
 Washington, West Virginia).......................................... Trust is subject to the Oklahoma state income tax)
                                                                      Tax-exempt income by investing in insured municipal          
Insured Tax Free Bond Trust.......................................... securities                                                   
                                                                      Tax-exempt income by investing in insured municipal          
                                                                      securities; all issuers of bonds in a state trust are        
Insured Tax Free Bond Trust, Insured Multi-Series                     located in such state--providing exemptions from state       
 (National Limited Maturity, New York)............................... income tax for residents of such state
</TABLE>


         



<TABLE>
<CAPTION>
<S>                                                               <C>                                   
Investors' Quality Tax-Exempt Trust.............................. Tax-exempt income by investing in municipal securities           
Investors' Quality Tax-Exempt Trust, Multi-Series                                                                                  
 (National, National AMT, Intermediate, Alabama, Arizona,                                                                          
 Arkansas, California, Colorado, Connecticut, Delaware,                                                                            
 Florida, Georgia, Hawaii, Kansas, Kentucky, Maine, Maryland,     Tax-exempt income by investing in municipal securities; all      
 Massachusetts, Michigan, Minnesota, Missouri, Nebraska,          issuers of bonds in a state trust are located in such state or   
 New Jersey, New York, North Carolina, Ohio, Oregon,              in territories or possessions of the United States--providing    
 Pennsylvania, South Carolina, Virginia)......................... exemptions from state income tax for residents of such state
                                                                  Tax-exempt income for investors not subject to the alternative   
                                                                  minimum tax by investing in municipal securities, some or all of 
Investors' Quality Municipals Trust, AMT Series...................which are subject to the Federal alternative minimum tax
Investors' Corporate Income Trust.................................Taxable income by investing in corporate bonds
Investors' Governmental Securities--Income Trust................. Taxable income by investing in government-backed GNMA securities 
                                                                  High current income through an investment in a diversified       
                                                                  portfolio of foreign currency denominated corporate debt         
Van Kampen Merritt International Bond Income Trust................obligations
                                                                  High current income consistent with preservation of capital      
                                                                  through a diversified investment in a fixed portfolio of         
Van Kampen Merritt Insured Income Trust...........................insured, long-term or intermediate-term corporate debt securities
                                                                  High dividend income and capital appreciation by investing in    
Van Kampen Merritt Utility Income Trust...........................common stock of electric utilities
                                                                  Provide the potential for capital appreciation and income by     
                                                                  investing in a portfolio of actively traded, New York Stock      
                                                                  Exchange listed equity securities which are components of the    
Van Kampen Merritt Blue Chip Opportunity Trust....................Dow Jones Industrial Average*
                                                                  Protect Unitholders' capital and provide the potential for       
                                                                  capital appreciation and income by investing a portion of its    
                                                                  portfolio in "zero coupon"U.S. Treasury obligations and 
                                                                  the remainder of the trust's portfolio in actively traded, New   
                                                                  York Stock Exchange listed equity securities which at the time   
Van Kampen Merritt Blue Chip Opportunity and                      of the creation of the trust were components of the Dow Jones    
 Treasury Trust...................................................Industrial Average*
                                                                  High current income consistent with preservation of capital      
                                                                  through a diversified investment in a fixed portfolio primarily  
                                                                  consisting of Brady Bonds of emerging market countries that have 
                                                                  restructured sovereign debt pursuant to the framework of the     
Van Kampen Merritt Emerging Markets Income Trust..................Brady Plan
                                                                  Provide the potential for capital appreciation and income        
                                                                  consistent with the preservation of invested capital, by         
                                                                  investing in a portfolio of equity securities which provide      
Van Kampen Merritt Global Telecommunications Trust................equipment for or services to the telecommunications industry
                                                                  Provide the potential for capital appreciation and income        
                                                                  consistent with the preservation of invested capital, by         
                                                                  investing in a portfolio of equity securities diversified within 
Van Kampen Merritt Global Energy Trust............................the energy industry
                                                                  Provide an above average total return through a combination of   
                                                                  potential capital appreciation and dividend income, consistent   
                                                                  with preservation of invested capital, by investing in a         
Strategic Ten Trust                                               portfolio of common stocks of the ten companies in a recognized  
 (United States, United Kingdom, and Hong Kong Portfolios)........stock exchange index having the highest dividend yields
                                                                  Provide the potential for capital appreciation and income        
                                                                  consistent with the preservation of invested capital, by         
                                                                  investing in a portfolio of equity securities diversified within 
Van Kampen Merritt Brand Name Equity Trust........................the non-durable consumer products industry
</TABLE>


 

*The Dow Jones Industrial Average is the property of Dow Jones & Company, Inc.
Dow Jones & Company, Inc. has not granted to the Trust or the Sponsor a
license to use the Dow Jones Industrial Average.       



<TABLE>
Name of Mutual Fund
Fund Investment Objective
 

<CAPTION>
<S>                                                        <C>
Van Kampen Merritt U.S. Government Fund....................High current income by investing in U.S. Government securities
                                                           High current income exempt from Federal income taxes by investing in    
Van Kampen Merritt Insured Tax Free Income Fund............insured municipal securities
                                                           High level of current income exempt from Federal income tax, consistent 
Van Kampen Merritt Municipal Income Fund...................with preservation of capital
                                                           High current income exempt from Federal income taxes by investing in    
Van Kampen Merritt Tax Free High Income Fund...............medium and lower grade municipal securities
                                                           High current income exempt from Federal and California income taxes by  
Van Kampen Merritt California Insured Tax Free Fund........investing in insured California municipal securities
                                                           Provide a high level of current income by investing in medium and lower 
                                                           grade domestic and foreign government and corporate debt securities.    
Van Kampen Merritt High Yield Fund.........................The Fund will seek capital appreciation as a secondary objective
                                                           Long-term growth of both capital and dividend income by investing in    
Van Kampen Merritt Growth and Income Fund..................dividend paying common stocks
                                                           High current income exempt from Federal and Pennsylvania state and      
                                                           local income taxes by investing in medium and lower grade Pennsylvania  
Van Kampen Merritt Pennsylvania Tax Free Income Fund.......municipal securities
                                                           High current income by investing in a broad range of money market       
Van Kampen Merritt Money Market Fund.......................instruments that will mature within twelve months
                                                           High current income exempt from Federal income taxes by investing in a  
                                                           broad range of municipal securities that will mature within twelve      
Van Kampen Merritt Tax Free Money Fund.....................months
                                                           High current income by investing in a global portfolio of high quality  
                                                           debt securities denominated in various currencies having remaining      
Van Kampen Merritt Short-Term Global Income Fund...........maturities of not more than three years
                                                           High level of current income with a relatively stable net asset value   
Van Kampen Merritt Adjustable Rate U.S. Government Fund....investing in U.S. Government securities
                                                           High level of current income exempt from federal income tax, consistent 
Van Kampen Merritt Limited Term Municipal Income Fund......with preservation of capital
                                                           Provide capital appreciation and current income by investing in a       
                                                           diversified portfolio of common stocks and income securities issued by  
Van Kampen Merritt Utility Fund............................companies engaged in the utilities industry
                                                           Provide shareholders with high current income. The Fund will seek       
Van Kampen Merritt Strategic Income Fund...................capital appreciation as a secondary objective
</TABLE>


      



<TABLE>
Name of Closed-end Fund
Fund Investment Objective
 

<CAPTION>
<S>                                                            <C>
                                                               High current income exempt from Federal income taxes with safety of 
                                                               principal by investing in a diversified portfolio of investment     
Van Kampen Merritt Municipal Income Trust......................grade municipal securities
                                                               High current income exempt from Federal and California income taxes 
                                                               with safety of principal by investing in a diversified portfolio of 
Van Kampen Merritt California Municipal Trust..................investment grade California municipal securities
                                                               High current income while seeking to preserve shareholders' capital 
                                                               by investing in a diversified portfolio of high yield fixed income  
Van Kampen Merritt Intermediate Term High Income Trust.........securities
                                                               High current income while seeking to preserve shareholders' capital 
                                                               by investing in a diversified portfolio of high yield fixed income  
Van Kampen Merritt Limited Term High Income Trust..............securities
                                                               High current income, consistent with preservation of capital by     
Van Kampen Merritt Prime Rate Income Trust.....................investing in interests in floating or variable rate senior loans....
                                                               High current income exempt from Federal income tax, consistent with 
Van Kampen Merritt Investment Grade Municipal Trust............preservation of capital
                                                               High level of current income exempt from Federal income tax,        
Van Kampen Merritt Municipal Trust.............................consistent with preservation of capital
                                                               High current income exempt from Federal and California income taxes 
                                                               with safety of principal by investing in a diversified portfolio of 
Van Kampen Merritt California Quality Municipal Trust..........investment grade California municipal securities
                                                               High current income exempt from Federal income taxes and Florida    
                                                               intangible personal property taxes with safety of principal by      
                                                               investing in a diversified portfolio of investment grade Florida    
Van Kampen Merritt Florida Quality Municipal Trust.............municipal securities
                                                               High current income exempt from Federal as well as New York State   
                                                               and New York City income taxes with safety of principal by          
                                                               investing in a diversified portfolio of investment grade New York   
Van Kampen Merritt New York Quality Municipal Trust............municipal securities
                                                               High current income exempt from Federal and Ohio income taxes with  
                                                               safety of principal by investing in a diversified portfolio of      
Van Kampen Merritt Ohio Quality Municipal Trust................investment grade Ohio municipal securities
                                                               High current income exempt from Federal and Pennsylvania income     
                                                               taxes with safety of principal by investing in a diversified        
Van Kampen Merritt Pennsylvania Quality Municipal Trust........portfolio of investment grade Pennsylvania municipal securities
                                                               High level of current income exempt from Federal income tax,        
Van Kampen Merritt Trust for Investment Grade Municipals.......consistent with preservation of capital
                                                               High level of current income exempt from Federal income tax,        
                                                               consistent with preservation of capital by investing in a           
                                                               diversified portfolio of municipal securities which are covered by  
Van Kampen Merritt Trust for Insured Municipals................insurance with respect to timely payment of principal and interest
                                                               High level of current income exempt from Federal and California     
                                                               income taxes, consistent with preservation of capital by investing  
Van Kampen Merritt Trust for Investment Grade CA Municipals....in a diversified portfolio of California municipal securities
                                                               High level of current income exempt from Federal income taxes,      
                                                               consistent with preservation of capital. The Fund also seeks to     
                                                               offer its Shareholders the opportunity to own securities exempt     
Van Kampen Merritt Trust for Investment Grade FL Municipals....from Florida intangible personal property taxes
                                                               High level of current income exempt from Federal income taxes and   
Van Kampen Merritt Trust for Investment Grade NJ Municipals    New Jersey gross income taxes, consistent with preservation of      
  .............................................................capital
                                                               High level of current income exempt from Federal as well as from    
                                                               New York State and New York City income taxes, consistent with      
Van Kampen Merritt Trust for Investment Grade NY Municipals....preservation of capital
                                                               High level of current income exempt from Federal and Pennsylvania   
                                                               income taxes and, where possible under local law, local income and  
Van Kampen Merritt Trust for Investment Grade PA Municipals....property taxes, consistent with preservation of capital
                                                               High level of current income exempt from Federal income tax,        
                                                               consistent with preservation of capital by investing in a           
Van Kampen Merritt Municipal Opportunity Trust.................diversified portfolio of municipal securities
                                                               High level of current income exempt from Federal income tax,        
                                                               consistent with preservation of capital by investing in a           
Van Kampen Merritt Advantage Municipal Income Trust............diversified portfolio of municipal securities
                                                               High level of current income exempt from Federal and Pennsylvania   
Van Kampen Merritt Advantage Pennsylvania Municipal            income taxes and, where possible under local law, local income and  
 Income Trust..................................................property taxes, consistent with preservation of capital
                                                               Provide common shareholders with a high level of current income     
                                                               exempt from Federal income taxes, consistent with preservation of   
Van Kampen Merritt Strategic Sector Municipal Trust............capital
                                                               High level of current income exempt from Federal income taxes,      
Van Kampen Merritt Value Municipal Income Trust................consistent with preservation of capital
Van Kampen Merritt California Value Municipal                  High level of current income exempt from Federal and California     
 Income Trust..................................................income taxes, consistent with preservation of capital
                                                               High level of current income exempt from Federal income taxes and   
Van Kampen Merritt Massachusetts Value Municipal               Massachusetts personal income taxes, consistent with preservation   
  Income Trust.................................................of capital
Van Kampen Merritt New Jersey Value Municipal                  High level of current income exempt from Federal income taxes and   
 Income Trust..................................................New Jersey gross income tax, consistent with preservation of capital
                                                               High level of current income exempt from Federal as well as New     
Van Kampen Merritt New York Value Municipal                    York State and New York City income taxes, consistent with          
 Income Trust..................................................preservation of capital
Van Kampen Merritt Ohio Value Municipal Income                 High level of current income exempt from Federal and Ohio income    
 Trust.........................................................taxes, consistent with preservation of capital
Van Kampen Merritt Pennsylvania Value Municipal                High level of current income exempt from Federal and Pennsylvania   
  Income Trust.................................................income taxes, consistent with preservation of capital
                                                               High level of current income exempt from federal income tax,        
Van Kampen Merritt Municipal Opportunity Trust II..............consistent with preservation of capital
                                                               High level of current income exempt from federal income tax,        
                                                               consistent with preservation of capital. The Fund seeks to offer    
                                                               its common shareholders the opportunity to own securities exempt    
Van Kampen Merritt Florida Municipal Opportunity Trust ........from Florida intangible personal property taxes
                                                               Provide common shareholders with a high level of current income     
                                                               exempt from federal income tax, consistent with preservation of     
Van Kampen Merritt Advantage Municipal Income Trust II.........capital
                                                               To provide common shareholders with a high level of current income  
                                                               exempt from federal income tax, consistent with preservation of     
Van Kampen Merritt Select Sector Municipal Trust...............capital
</TABLE>


    

If the Sponsor shall fail to perform any of its duties under the Trust
Agreement or become incapable of acting or become bankrupt or its affairs are
taken over by public authorities, then the Trustee may (i) appoint a successor
Sponsor at rates of compensation deemed by the Trustee to be reasonable and
not exceeding amounts prescribed by the Securities and Exchange Commission,
(ii) terminate the Trust Agreement and liquidate the Fund as provided therein
or (iii) continue to act as Trustee without terminating the Trust Agreement. 

All costs and expenses incurred in creating and establishing the Fund,
including the cost of the initial preparation, printing and execution of the
Trust Agreement and the certificates, legal and accounting expenses,
advertising and selling expenses, expenses of the Trustee, initial evaluation
fees and other out-of-pocket expenses have been borne by the Sponsor at no
cost to the Fund. 

Compensation of Sponsor and Evaluator. The Sponsor will not receive any fees
in connection with its activities relating to the Fund. However, American
Portfolio Evaluation Services, a division of Van Kampen Merritt Investment
Advisory Corp., which is a wholly-owned subsidiary corporation of the Sponsor,
will receive an annual supervisory fee as indicated under "Summary of
Essential Financial Information"for providing portfolio supervisory
services for the Fund. Such fee (which is based on the number of Units
outstanding in each Trust on January 1 of each year) may exceed the actual
costs of providing such supervisory services for this Fund, but at no time
will the total amount received for portfolio supervisory services rendered to
Insured Municipals Income Trust, 1st Insured Multi-Series and subsequent
series and to any other unit investment trusts sponsored by the Sponsor for
which the Evaluator provides portfolio supervisory services in any calendar
year exceed the aggregate cost to the Evaluator of supplying such services in
such year. In addition, the Evaluator shall receive an annual evaluation fee
as indicated under "Summary of Essential Financial Information"for
regularly evaluating each Trust's portfolio. Both of the foregoing fees may be
increased without approval of the Unitholders by amounts not exceeding
proportionate increases under the category "All Services Less Rent of
Shelter"in the Consumer Price Index published by the United States
Department of Labor or, if such category is no longer published, in a
comparable category. The Sponsor and the Underwriters will receive sales
commissions and may realize other profits (or losses) in connection with the
sale of Units and the deposit of the Securities as described under "
General--Sponsor and Underwriter Compensation"below. 

Trustee. The Trustee is The Bank of New York, a trust company organized under
the laws of New York. The Bank of New York has its offices at 101 Barclay
Street, New York, New York 10286 (800) 221-7668. The Bank of New York is
subject to supervision and examination by the Superintendent of Banks of the
State of New York and the Board of Governors of the Federal Reserve System,
and its deposits are insured by the Federal Deposit Insurance Corporation to
the extent permitted by law. 

The duties of the Trustee are primarily ministerial in nature. It did not
participate in the selection of Bonds for the portfolios of any of the Trusts. 

In accordance with the Trust Agreement, the Trustee shall keep proper books of
record and account of all transactions at its office for the Fund. Such
records shall include the name and address of, and the certificates issued by
the Fund to, every Unitholder of the Fund. Such books and records shall be
open to inspection by any Unitholder at all reasonable times during the usual
business hours. The Trustee shall make such annual or other reports as may
from time to time be required under any applicable state or Federal statute,
rule or regulation (see "Unitholder Explanations--Public Offering--Reports
Provided"). The Trustee is required to keep a certified copy or duplicate
original of the Trust Agreement on file in its office available for inspection
at all reasonable times during the usual business hours by any Unitholder,
together with a current list of the Securities held in the Fund. 

Under the Trust Agreement, the Trustee or any successor trustee may resign and
be discharged of the trusts created by the Trust Agreement by executing an
instrument in writing and filing the same with the Sponsor. The Trustee or
successor trustee must mail a copy of the notice of resignation to all Fund
Unitholders then of record, not less than 60 days before the date specified in
such notice when such resignation is to take effect. The Sponsor upon
receiving notice of such resignation is obligated to appoint a successor
trustee promptly. If, upon such resignation, no successor trustee has been
appointed and has accepted the appointment within 30 days after notification,
the retiring Trustee may apply to a court of competent jurisdiction for the
appointment of a successor. The Sponsor may remove the Trustee and appoint a
successor trustee as provided in the Trust Agreement at any time with or
without cause. Notice of such removal and appointment shall be mailed to each
Unitholder by the Sponsor. Upon execution of a written acceptance of such
appointment by such successor trustee, all the rights, powers, duties and
obligations of the original trustee shall vest in the successor. The
resignation or removal of a Trustee becomes effective only when the successor
trustee accepts its appointment as such or when a court of competent
jurisdiction appoints a successor trustee. 

Any corporation into which a Trustee may be merged or with which it may be
consolidated, or any corporation resulting from any merger or consolidation to
which a Trustee shall be a party, shall be the successor trustee. The Trustee
must be a banking corporation organized under the laws of the United States or
any state and having at all times an aggregate capital, surplus and undivided
profits of not less than $5,000,000. 

Trustee's Fee. For its services the Trustee will receive a fee based on the
aggregate outstanding principal amount of Securities in each Trust as of the
opening of business on January 2 and July 2 of each year as set forth under
"Per Unit Information"for the applicable Trust. During the first year
the Trustee may agree to reduce its fee (and to the extent necessary pay
miscellaneous expenses of a Trust) as stated under "Per Unit
Information"for the applicable Trust. The Trustee's fees are payable
monthly on or before the fifteenth day of each month from the Interest Account
of each Trust to the extent funds are available and then from the Principal
Account of each Trust, with such payments being based on each Trust's portion
of such expenses. Since the Trustee has the use of the funds being held in the
Principal and Interest Accounts for future distributions, payment of expenses
and redemptions and since such Accounts are non-interest bearing to
Unitholders, the Trustee benefits thereby. Part of the Trustee's compensation
for its services to each Trust is expected to result from the use of these
funds. Such fees may be increased without approval of the Unitholders by
amounts not exceeding proportionate increases under the category "All
Services Less Rent of Shelter"in the Consumer Price Index published by
the United States Department of Labor or, if such category is no longer
published, in a comparable category. The Trustee's fees will not be increased
in future years in order to make up any reduction in the Trustee's fees
described under "Per Unit Information"for the applicable Trust. For a
discussion of the services rendered by the Trustee pursuant to its obligations
under the Trust Agreement, see "Unitholder Explanations--Public
Offering--Reports Provided"and "Trustee"above.

 Portfolio Administration. The Trustee is empowered to sell, for the purpose
of redeeming Units tendered by any Unitholder, and for the payment of expenses
for which funds may not be available, such of the Bonds designated by the
Evaluator as the Trustee in its sole discretion may deem necessary. The
Evaluator, in designating such Securities, will consider a variety of factors,
including (a) interest rates, (b) market value and (c) marketability. In
connection with the Insured Trusts to the extent that Bonds are sold which are
current in payment of principal and interest in order to meet redemption
requests and defaulted Bonds are retained in the portfolio in order to
preserve the related insurance protection applicable to said Bonds, the
overall quality of the Bonds remaining in such Trust's portfolio will tend to
diminish. Except as described in this section and in certain other unusual
circumstances for which it is determined by the Trustee to be in the best
interests of the Unitholders or if there is no alternative, the Trustee is not
empowered to sell Bonds from an Insured Trust which are in default in payment
of principal or interest or in significant risk of such default and for which
value has been attributed for the insurance obtained by such Insured Trust.
Because of such restrictions on the Trustee under certain circumstances, the
Sponsor may seek a full or partial suspension of the right of Unitholders to
redeem their Units in an Insured Trust. See "Unitholder
Explanations--Public Offering--Redemption of Units". The Sponsor is
empowered, but not obligated, to direct the Trustee to dispose of Bonds in the
event of an advanced refunding. 

The Sponsor is required to instruct the Trustee to reject any offer made by an
issuer of any of the Securities to issue new obligations in exchange or
substitution for any Security pursuant to a refunding or refinancing plan,
except that the Sponsor may instruct the Trustee to accept or reject such an
offer or to take any other action with respect thereto as the Sponsor may deem
proper if (1) the issuer is in default with respect to such Security or (2) in
the written opinion of the Sponsor the issuer will probably default with
respect to such Security in the reasonably foreseeable future. Any obligation
so received in exchange or substitution will be held by the Trustee subject to
the terms and conditions of the Trust Agreement to the same extent as
Securities originally deposited thereunder. Within five days after the deposit
of obligations in exchange or substitution for underlying Securities, the
Trustee is required to give notice thereof to each Unitholder of the Trust
thereby affected, identifying the Securities eliminated and the Securities
substituted therefor. Except as stated herein and under "Unitholder
Explanations--Settlement of Bonds in the Trusts"regarding the
substitution of Replacement Bonds for Failed Bonds, the acquisition by the
Fund of any securities other than the Securities initially deposited is not
permitted. 

If any default in the payment of principal or interest on any Security occurs
and no provision for payment is made therefor within 30 days, the Trustee is
required to notify the Sponsor thereof. If the Sponsor fails to instruct the
Trustee to sell or to hold such Security within 30 days after notification by
the Trustee to the Sponsor of such default, the Trustee may in its discretion
sell the defaulted Security and not be liable for any depreciation or loss
thereby incurred. 

Sponsor Purchases of Units. The Trustee shall notify the Sponsor of any tender
of Units for redemption. If the Sponsor's bid in the secondary market at that
time equals or exceeds the Redemption Price per Unit, it may purchase such
Units by notifying the Trustee before the close of business on the second
succeeding business day and by making payment therefor to the Unitholder not
later than the day on which the Units would otherwise have been redeemed by
the Trustee. Units held by the Sponsor may be tendered to the Trustee for
redemption as any other Units. 

The offering price of any Units acquired by the Sponsor will be in accord with
the Public Offering Price described in the then currently effective prospectus
describing such Units. Any profit resulting from the resale of such Units will
belong to the Sponsor which likewise will bear any loss resulting from a lower
offering or Redemption Price subsequent to its acquisition of such Units. 

Insurance Premiums. The cost of the portfolio insurance obtained by the
respective Trusts, if any, is that amount shown in footnote (5) in "Notes
to Portfolios", so long as such Trust retains the Bonds. Premiums, which
are obligations of each Insured Trust, are payable monthly by the Trustee on
behalf of the respective Trust. As Bonds in the portfolio of an Insured Trust
are redeemed by their respective issuers or are sold by the Trustee, the
amount of the premium will be reduced in respect of those Bonds no longer
owned by and held in such Trust. If the Trustee exercises the right to obtain
permanent insurance, the premiums payable for such permanent insurance will be
paid solely from the proceeds of the sale of the related Bonds. The premiums
for such permanent insurance with respect to each Bond will decline over the
life of the Bond. A Trust does not incur any expense for Preinsured Bond
insurance, since the premium or premiums for such insurance have been paid by
the issuer or the Sponsor prior to the deposit of such Preinsured Bonds in a
Trust. Preinsured Bonds are not additionally insured by an Insured Trust. 

Miscellaneous Expenses. The following additional charges are or may be
incurred by the Trusts: (a) fees of the Trustee for extraordinary services,
(b) expenses of the Trustee (including legal and auditing expenses) and of
counsel designated by the Sponsor, (c) various governmental charges, (d)
expenses and costs of any action taken by the Trustee to protect the Trusts
and the rights and interests of Unitholders, (e) indemnification of the
Trustee for any loss, liability or expenses incurred by it in the
administration of the Fund without negligence, bad faith or willful misconduct
on its part, (f) any special custodial fees payable in connection with the
sale of any of the Bonds in a Trust and (g) expenditures incurred in
contacting Unitholders upon termination of the Trusts. 

The fees and expenses set forth herein are payable out of the Trusts. When
such fees and expenses are paid by or owing to the Trustee, they are secured
by a lien on the portfolio or portfolios of the applicable Trust or Trusts. If
the balances in the Interest and Principal Accounts are insufficient to
provide for amounts payable by the Fund, the Trustee has the power to sell
Securities to pay such amounts. 

GENERAL 

Amendment or Termination. The Sponsor and the Trustee have the power to amend
the Trust Agreement without the consent of any of the Unitholders when such an
amendment is (a) to cure an ambiguity or to correct or supplement any
provision of the Trust Agreement which may be defective or inconsistent with
any other provision contained therein or (b) to make such other provisions as
shall not adversely affect the interest of the Unitholders (as determined in
good faith by the Sponsor and the Trustee), provided that the Trust Agreement
may not be amended to increase the number of Units issuable thereunder or to
permit the deposit or acquisition of securities either in addition to or in
substitution for any of the Securities initially deposited in the Fund, except
for the substitution of certain refunding securities for such Securities. In
the event of any amendment, the Trustee is obligated to notify promptly all
Unitholders of the substance of such amendment. 
   
A Trust may be terminated at any time by consent of Unitholders of 51% of the
Units of such Trust then outstanding or by the Trustee when the value of such
Trust, as shown by any semi-annual evaluation, is less than that indicated
under "Summary of Essential Financial Information". A Trust will be
liquidated by the Trustee in the event that a sufficient number of Units not
yet sold are tendered for redemption by the Underwriters, including the
Sponsor, so that the net worth of such Trust would be reduced to less than 40%
of the initial principal amount of such Trust. If a Trust is liquidated
because of the redemption of unsold Units by the Underwriters, the Sponsor
will refund to each purchaser of Units the entire sales charge paid by such
purchaser. The Trust Agreement provides that each Trust shall terminate upon
the redemption, sale or other disposition of the last Security held in such
Trust, but in no event shall it continue beyond the end of the year preceding
the fiftieth anniversary of the Trust Agreement in the case of an IM-IT or a
State Trust (other than a State Intermediate Laddered Maturity Trust), or
beyond the end of the year preceding the twentieth anniversary of the Trust
Agreement in the case of IM-IT Limited Maturity, IM-IT Intermediate, State
Intermediate Laddered Maturity and IM-IT Short Intermediate Trusts. In the
event of termination of the Fund or any Trust, written notice thereof will be
sent by the Trustee to each Unitholder of such Trust at his address appearing
on the registration books of the Fund maintained by the Trustee. Within a
reasonable time thereafter the Trustee shall liquidate any Securities then
held in such Trust and shall deduct from the funds of such Trust any accrued
costs, expenses or indemnities provided by the Trust Agreement, including
estimated compensation of the Trustee and costs of liquidation and any amounts
required as a reserve to provide for payment of any applicable taxes or other
governmental charges. The sale of Securities in the Trust upon termination may
result in a lower amount than might otherwise be realized if such sale were
not required at such time. For this reason, among others, the amount realized
by a Unitholder upon termination may be less than the principal amount or par
amount of Securities represented by the Units held by such Unitholder. The
Trustee shall then distribute to each Unitholder his share of the balance of
the Interest and Principal Accounts. With such distribution the Unitholder
shall be furnished a final distribution statement of the amount distributable.
At such time as the Trustee in its sole discretion shall determine that any
amounts held in reserve are no longer necessary, it shall make distribution
thereof to Unitholders in the same manner. 
    
Notwithstanding the foregoing, in connection with final distributions to
Unitholders of an Insured Trust, it should be noted that because the portfolio
insurance obtained by an Insured Trust is applicable only while Bonds so
insured are held by such Trust, the price to be received by such Trust upon
the disposition of any such Bond which is in default, by reason of nonpayment
of principal or interest, will not reflect any value based on such insurance.
Therefore, in connection with any liquidation, it shall not be necessary for
the Trustee to, and the Trustee does not currently intend to, dispose of any
Bond or Bonds if retention of such Bond or Bonds, until due, shall be deemed
to be in the best interest of Unitholders, including, but not limited to,
situations in which a Bond or Bonds so insured are in default and situations
in which a Bond or Bonds so insured have deteriorated market prices resulting
from a significant risk of default. Since the Preinsured Bonds will reflect
the value of the related insurance, it is the present intention of the Sponsor
not to direct the Trustee to hold any of such Preinsured Bonds after the date
of termination. All proceeds received, less applicable expenses, from
insurance on defaulted Bonds not disposed of at the date of termination will
ultimately be distributed to Unitholders of record as of such date of
termination as soon as practicable after the date such defaulted Bond or Bonds
become due and applicable insurance proceeds have been received by the
Trustee. 

Limitation on Liabilities. The Sponsor, the Evaluator and the Trustee shall be
under no liability to Unitholders for taking any action or for refraining from
taking any action in good faith pursuant to the Trust Agreement, or for errors
in judgment, but shall be liable only for their own willful misfeasance, bad
faith or gross negligence in the performance of their duties or by reason of
their reckless disregard of their obligations and duties hereunder. The
Trustee shall not be liable for depreciation or loss incurred by reason of the
sale by the Trustee of any of the Securities. In the event of the failure of
the Sponsor to act under the Trust Agreement, the Trustee may act thereunder
and shall not be liable for any action taken by it in good faith under the
Trust Agreement. 

The Trustee shall not be liable for any taxes or other governmental charges
imposed upon or in respect of the Securities or upon the interest thereon or
upon it as Trustee under the Trust Agreement or upon or in respect of the Fund
which the Trustee may be required to pay under any present or future law of
the United States of America or of any other taxing authority having
jurisdiction. In addition, the Trust Agreement contains other customary
provisions limiting the liability of the Trustee. 

The Trustee, Sponsor and Unitholders may rely on any evaluation furnished by
the Evaluator and shall have no responsibility for the accuracy thereof.
Determinations by the Evaluator under the Trust Agreement shall be made in
good faith upon the basis of the best information available to it; provided,
however, that the Evaluator shall be under no liability to the Trustee,
Sponsor or Unitholders for errors in judgment. This provision shall not
protect the Evaluator in any case of willful misfeasance, bad faith, gross
negligence or reckless disregard of its obligations and duties. 

Unit Distribution. During the initial offering period, Units will be
distributed to the public by Underwriters, broker-dealers and others (see "
Underwriting") at the Public Offering Price, plus Purchased Interest, plus
interest accrued but unpaid from the First Settlement Date to the date of
settlement as described above under "Unitholder Explanations--Purchased
and Accrued Interest--Accrued Interest". Upon the completion of the
initial offering, Units repurchased in the secondary market, if any, may be
offered by this Prospectus at the secondary Public Offering Price, plus
Purchased Interest plus interest accrued to the date of settlement in the
manner described.
   
The Sponsor intends to qualify the Units for sale in a number of states.
Broker-dealers or others will be allowed a concession or agency commission in
connection with the distribution of Units during the initial offering period
of $20.00 per Unit for less than 100 Units, $22.00 per Unit for any single
transaction of 100 to 249 Units, $21.50 per Unit for any single transaction of
250 to 499 Units, $24.50 per Unit for any single transaction of 500 to 999
Units and $24.00 per Unit for any single transaction of 1,000 or more Units of
a State Intermediate Laddered Maturity Trust, and in the case of an IM-IT or a
State Trust (other than a State Intermediate Laddered Maturity Trust) $30.00
per Unit for less than 100 Units, $36.00 per Unit for any single transaction
of 100 to 249 Units, $38.00 per Unit for any single transaction of 250 to 499
Units, $39.00 per Unit for any single transaction of 500 to 999 Units and
$39.00 per Unit for any single transaction of 1,000 or more Units, provided
that such Units are acquired either from the Sponsor (in the case of dealer
transactions) or through the Sponsor (in the case of transactions involving
brokers or others). The increased concession or agency commission is a result
of the discount given to purchasers for quantity purchases. See "
Unitholder Explanations--Public Offering--General". Certain commercial
banks are making Units of the Fund available to their customers on an agency
basis. A portion of the sales charge paid by these customers (equal to the
agency commission referred to above) is retained by or remitted to the banks.
Under the Glass-Steagall Act, banks are prohibited from underwriting Units of
the Fund; however, the Glass-Steagall Act does permit certain agency
transactions and the banking regulators have not indicated that these
particular agency transactions are not permitted under such Act. In addition,
state securities laws on this issue may differ from the interpretations of
federal law expressed herein and banks and financial institutions may be
required to register as dealers pursuant to state law. Any quantity discount
(see "Unitholder Explanations--Public Offering--General") provided to
investors will be borne by the selling dealer or agent. For secondary market
transactions, such concession or agency commission will amount to 70% of the
applicable sales charge as determined using the table found in "Unitholder
Explanations--Public Offering". 
    
To facilitate the handling of transactions during the initial offering period,
sales of Units shall normally be limited to transactions involving a minimum
of five Units. Further purchases may be made in multiples of one Unit. The
minimum purchase in the secondary market will be one Unit. 

The Sponsor reserves the right to reject, in whole or in part, any order for
the purchase of Units and to change the amount of the concession or agency
commission to dealers and others from time to time. See "Underwriting". 

Sponsor and Underwriter Compensation. The Underwriters will receive a gross
sales commission equal to that percentage of the Public Offering Price of the
Units (excluding Purchased Interest) as indicated under "Unitholder
Explanations--Public Offering--Offering Price"less any reduced sales
charges for quantity purchases as described under "Unitholder
Explanations--Public Offering--General". 
   
The Sponsor will receive from the Underwriters the excess of such gross sales
commission over $35.00, $29.00, $27.00, $22.00, $22.00 and $35.00 per Unit of
any IM-IT, IM-IT Limited Maturity, IM-IT Intermediate, IM-IT Short
Intermediate, State Intermediate Laddered Maturity Trust and other Insured
Trusts, respectively, as of the Date of Deposit. In connection with quantity
sales to purchasers of any IM-IT or State Trust (other than a State
Intermediate Laddered Maturity Trust) the Underwriters will receive from the
Sponsor commissions totalling $37.00 per Unit for any single transaction of
100 to 249 Units, $39.00 per Unit for any single transaction of 250 to 499
Units, $40.00 per Unit for any single transaction of 500 to 999 Units and
$39.00 per Unit for any single transaction of 1,000 or more Units. In
connection with quantity sales to purchasers of any State Intermediate
Laddered Maturity Trust the Underwriters will receive from the Sponsor
commissions totalling $23.00 per Unit for any single transaction of 100 to 249
Units, $23.00 per Unit for any single transaction of 250 to 499 Units, $24.75
per Unit for any single transaction of 500 to 999 Units and $24.00 per Unit
for any single transaction of 1,000 or more Units. A. G. Edwards & Sons, Inc.
(Edwards"), which acts as a Managing Underwriter of Units of the various
series of the IM-IT, will receive from the Sponsor reimbursement for certain
costs and further compensation in the amount of $5.00 for each Unit of the
IM-IT it under-writes. Also, if The Principal/Eppler, Guerin & Turner, Inc.
commits (on the Date of Deposit) to underwrite a total of 4,000 or more Units
of this series of the IM-IT, any other series of the IM-IT and/or any series
of Texas Insured Municipals Income Trust during any calendar month, then The
Principal/Eppler, Guerin & Turner, Inc. will receive an additional $1.00 per
Unit for each of the Units of such Trust it commits to underwrite in said
month. See "Unitholder Explanations--Public Offering--General."
Further, each Underwriter who underwrites 1,000 or more Units in any Trust
will receive additional compensation from the Sponsor of $1.00 for each Unit
it underwrites. In addition, the Sponsor and certain of the Underwriters will
realize a profit or the Sponsor will sustain a loss, as the case may be, as a
result of the difference between the price paid for the Securities by the
Sponsor and the cost of such Securities to a Trust (which is based on the
determination by Interactive Data Services, Inc. of the aggregate offering
price of the underlying Securities in such Trust on the Date of Deposit). See
"Underwriting"and "Portfolio"for the applicable Trust and
"Notes to Portfolios". The Sponsor and the Underwriters may also
realize profits or sustain losses with respect to Securities deposited in each
Trust which were acquired by the Sponsor from underwriting syndicates of which
they were members. The Sponsor has participated as sole underwriter or as
manager or as a member of the underwriting syndicates from which none of the
aggregate principal amount of the Securities in the portfolios of the Fund
were acquired. The Underwriters may further realize additional profit or loss
during the initial offering period as a result of the possible fluctuations in
the market value of the Securities in each Trust after the Date of Deposit,
since all proceeds received from purchasers of Units (excluding dealer
concessions or agency commissions allowed, if any) will be retained by the
Underwriters. Affiliates of an Underwriter are entitled to the same dealer
concessions or agency commissions that are available to the Underwriter. 
    
As stated under "Unitholder Explanations--Public Offering--Market for
Units", the Sponsor intends to, and certain of the other Underwriters may,
maintain a secondary market for the Units of the Fund. In so maintaining a
market, such person or persons will also realize profits or sustain losses in
the amount of any difference between the price at which Units are purchased
and the price at which Units are resold (which price is based on the bid
prices of the Securities in such Trust and includes a sales charge). In
addition, such person or persons will also realize profits or sustain losses
resulting from a redemption of such repurchased Units at a price above or
below the purchase price for such Units, respectively. 

OTHER MATTERS 
   
Legal Opinions. The legality of the Units offered hereby and certain matters
relating to Federal tax law have been passed upon by Chapman and Cutler, 111
West Monroe Street, Chicago, Illinois 60603, as counsel for the Sponsor.
Orrick, Herrington & Sutcliffe has acted as special counsel to the Fund for
California tax matters. Squire, Sanders & Dempsey has acted as special counsel
to the Fund for Ohio tax matters. Tanner Propp & Farber has acted as counsel
for the Trustee and as special counsel to the Fund for New York tax matters.
None of the special counsel for the Fund has expressed any opinion regarding
the completeness or materiality of any matters contained in this Prospectus
other than the tax opinion set forth under "Tax Status"relating to
the Trust for which it has provided an opinion. 
    
Independent Certified Public Accountants. The statements of condition and the
related securities portfolios at the Date of Deposit included in this
Prospectus have been audited by Grant Thornton, independent certified public
accountants, as set forth in their report in this prospectus, and are included
herein in reliance upon the authority of said firm as experts in accounting
and auditing. 

FEDERAL TAX STATUS 

In the opinion of Chapman and Cutler, counsel for the Sponsor, under existing
law: 

Each Trust is not an association taxable as a corporation for Federal income
tax purposes and interest and accrued original issue discount on Bonds which
is excludable from gross income under the Internal Revenue Code of 1986 (the
"Code") will retain its status when distributed to Unitholders, except
to the extent such interest is subject to the alternative minimum tax, an
additional tax on branches of foreign corporations and the environmental tax
(the "Superfund Tax"), as noted below; 

Each Unitholder is considered to be the owner of a pro rata portion of the
respective Trust under subpart E, subchapter J of chapter 1 of the Code and
will have a taxable event when such Trust disposes of a Bond, or when the
Unitholder redeems or sells his Units. Unitholders must reduce the tax basis
of their Units for their share of accrued interest received by the respective
Trust, if any, on Bonds delivered after the Unitholders pay for their Units to
the extent that such interest accrued on such Bonds during the period from the
Unitholder's settlement date to the date such Bonds are delivered to the
respective Trust and, consequently, such Unitholders may have an increase in
taxable gain or reduction in capital loss upon the disposition of such Units.
Gain or loss upon the sale or redemption of Units is measured by comparing the
proceeds of such sale or redemption with the adjusted basis of the Units. If
the Trustee disposes of Bonds (whether by sale, payment on maturity,
redemption or otherwise), gain or loss is recognized to the Unitholder. The
amount of any such gain or loss is measured by comparing the Unitholder's pro
rata share of the total proceeds from such disposition with the Unitholder's
basis for his or her fractional interest in the asset disposed of. In the case
of a Unitholder who purchases Units, such basis (before adjustment for earned
original issue discount and amortized bond premium, if any) is determined by
apportioning the cost of the Units among each of the Trust assets ratably
according to value as of the date of acquisition of the Units. The tax cost
reduction requirements of the Code relating to amortization of bond premium
may, under some circumstances, result in the Unitholder realizing a taxable
gain when his Units are sold or redeemed for an amount equal to his original
cost; 

Any proceeds paid under an insurance policy or policies dated the Date of
Deposit, issued to an Insured Trust by AMBAC Indemnity, Financial Guaranty or
a combination thereof with respect to the Bonds which represent maturing
interest on defaulted obligations held by the Trustee will be excludable from
Federal gross income if, and to the same extent as, such interest would have
been so excludable if paid by the issuer of the defaulted obligations provided
that, at the time such policies are purchased, the amounts paid for such
policies are reasonable, customary and consistent with the reasonable
expectation that the issuer of the obligations, rather than the insurer, will
pay debt service on the obligations; and 

Any proceeds paid under individual policies obtained by issuers of Bonds which
represent maturing interest on defaulted obligations held by the Trustee will
be excludable from Federal gross income if, and to the same extent as, such
interest would have been excludable if paid in the normal course by the issuer
of the defaulted obligations provided that, at the time such policies are
purchased, the amounts paid for such policies are reasonable, customary and
consistent with the reasonable expectation that the issuer of the obligations,
rather than the insurer, will pay debt service on the obligations. 

Sections 1288 and 1272 of the Code provide a complex set of rules governing
the accrual of original issue discount. These rules provide that original
issue discount accrues either on the basis of a constant compound interest
rate or ratably over the term of the Bond, depending on the date the Bond was
issued. In addition, special rules apply if the purchase price of a Bond
exceeds the original issue price plus the amount of original issue discount
which would have previously accrued based upon its issue price (its "
adjusted issue price") to prior owners. The application of these rules
will also vary depending on the value of the Bond on the date a Unitholder
acquires his Units and the price the Unitholder pays for his Units. Investors
with questions regarding these Code sections should consult with their tax
advisers. 

"The Revenue Reconciliation Act of 1993"(the "Tax Act")
subjects tax-exempt bonds to the market discount rules of the Code effective
for bonds purchased after April 30, 1993. In general, market discount is the
amount (if any) by which the stated redemption price at maturity exceeds an
investor's purchase price (except to the extent that such difference, if any,
is attributable to original issue discount not yet accrued). Market discount
can arise based on the price a Trust pays for Bonds or the price a Unitholder
pays for his or her Units. Under the Tax Act, accretion of market discount is
taxable as ordinary income; under prior law the accretion had been treated as
capital gain. Market discount that accretes while a Trust holds a Bond would
be recognized as ordinary income by the Unitholders when principal payments
are received on the Bond, upon sale or at redemption (including early
redemption), or upon the sale or redemption of his or her Units, unless a
Unitholder elects to include market discount in taxable income as it accrues.
The market discount rules are complex and Unitholders should consult their tax
advisers regarding these rules and their application. 

In the case of certain corporations, the alternative minimum tax and the
Superfund Tax for taxable years beginning after December 31, 1986 depends upon
the corporation's alternative minimum taxable income, which is the
corporation's taxable income with certain adjustments. One of the adjustment
items used in computing the alternative minimum taxable income and the
Superfund Tax of a corporation (other than an S Corporation, Regulated
Investment Company, Real Estate Investment Trust, or REMIC) is an amount equal
to 75% of the excess of such corporation's "adjusted current earnings"
over an amount equal to its alternative minimum taxable income (before such
adjustment item and the alternative tax net operating loss deduction). "
Adjusted current earnings"includes all tax exempt interest, including
interest on all of the Bonds in the Fund. Unitholders are urged to consult
their tax advisers with respect to the particular tax consequences to them
including the corporate alternative minimum tax, the Superfund Tax and the
branch profits tax imposed by Section 884 of the Code. 

Counsel for the Sponsor has also advised that under Section 265 of the Code,
interest on indebtedness incurred or continued to purchase or carry Units of a
Trust is not deductible for Federal income tax purposes. The Internal Revenue
Service has taken the position that such indebtedness need not be directly
traceable to the purchase or carrying of Units (however, these rules generally
do not apply to interest paid on indebtedness incurred to purchase or improve
a personal residence). Also, under Section 265 of the Code, certain financial
institutions that acquire Units would generally not be able to deduct any of
the interest expense attributable to ownership of such Units. Investors with
questions regarding this issue should consult with their tax advisers. 

In the case of certain of the Bonds in the Fund, the opinions of bond counsel
indicate that interest on such Bonds received by a "substantial user"
of the facilities being financed with the proceeds of these Bonds, or persons
related thereto, for periods while such Bonds are held by such a user or
related person, will not be excludible from Federal gross income, although
interest on such Bonds received by others would be excludible from Federal
gross income. "Substantial user"and "related person"are
defined under U.S. Treasury Regulations. Any person who believes that he or
she may be a "substantial user"or a "related person"as so
defined should contact his or her tax adviser. 

In the opinion of Tanner Propp & Farber, special counsel to the Fund for New
York tax matters, under existing law, the Fund and each Trust are not
associations taxable as corporations and the income of each Trust will be
treated as the income of the Unitholders under the income tax laws of the
State and City of New York. 

All statements of law in the Prospectus concerning exclusion from gross income
for Federal, state or other tax purposes are the opinions of counsel and are
to be so construed. 

At the respective times of issuance of the Bonds, opinions relating to the
validity thereof and to the exclusion of interest thereon from Federal gross
income are rendered by bond counsel to the respective issuing authorities.
Neither the Sponsor nor Chapman and Cutler has made any special review for the
Fund of the proceedings relating to the issuance of the Bonds or of the basis
for such opinions. 

In the case of corporations, the alternative tax rate applicable to long-term
capital gains is 35%, effective for long-term capital gains realized in
taxable years beginning on or after January 1, 1993. For taxpayers other than
corporations, net capital gains are subject to a maximum marginal stated tax
rate of 28%. However, it should be noted that legislative proposals are
introduced from time to time that affect tax rates and could affect relative
differences at which ordinary income and capital gains are taxed. Under the
Code, taxpayers must disclose to the Internal Revenue Service the amount of
tax-exempt interest earned during the year. 

Section 86 of the Code, in general, provides that 50% of Social Security
benefits are includible in gross income to the extent that the sum of "
modified adjusted gross income"plus 50% of the Social Security benefits
received exceeds a "base amount". The base amount is $25,000 for
unmarried taxpayers, $32,000 for married taxpayers filing a joint return and
zero for married taxpayers who do not live apart at all times during the
taxable year and who file separate returns. Modified adjusted gross income is
adjusted gross income determined without regard to certain otherwise allowable
deductions and exclusions from gross income and by including tax-exempt
interest. To the extent that Social Security benefits are includible in gross
income, they will be treated as any other item of gross income. 

In addition, under the Tax Act, for taxable years beginning after December 31,
1993, up to 85% of Social Security benefits are includible in gross income to
the extent that the sum of "modified adjusted gross income"plus 50%
of Social Security benefits received exceeds an "adjusted base amount."
 The adjusted base amount is $34,000 for unmarried taxpayers, $44,000 for
married taxpayers filing a joint return, and zero for married taxpayers who do
not live apart at all times during the taxable year and who file separate
returns. 

Although tax-exempt interest is included in modified adjusted gross income
solely for the purpose of determining what portion, if any, of Social Security
benefits will be included in gross income, no tax-exempt interest, including
that received from a Trust, will be subject to tax. A taxpayer whose adjusted
gross income already exceeds the base amount or the adjusted base amount must
include 50% or 85%, respectively, of his Social Security benefits in gross
income whether or not he receives any tax-exempt interest. A taxpayer whose
modified adjusted gross income (after inclusion of tax-exempt interest) does
not exceed the base amount need not include any Social Security benefits in
gross income. 

For a discussion of the state tax status of income earned on Units of a Trust,
see "Tax Status"for the applicable Trust. Except as noted therein,
the exemption of interest on state and local obligations for Federal income
tax purposes discussed above does not necessarily result in exemption under
the income or other tax laws of any State or City. The laws of the several
States vary with respect to the taxation of such obligations. 

DESCRIPTION OF SECURITIES RATINGS 

Standard & Poor's Corporation. A Standard & Poor's Corporation ("Standard
& Poor's") corporate or municipal bond rating is a current assessment of
the creditworthiness of an obligor with respect to a specific debt obligation.
This assessment of creditworthiness may take into consideration obligors such
as guarantors, insurers or lessees. 

The bond rating is not a recommendation to purchase or sell a security,
inasmuch as it does not comment as to market price. 

The ratings are based on current information furnished to Standard & Poor's by
the issuer and obtained by Standard & Poor's from other sources it considers
reliable. The ratings may be changed, suspended or withdrawn as a result of
changes in, or unavailability of, such information. 

The ratings are based, in varying degrees, on the following considerations:

I. Likelihood of default--capacity and willingness of the obligor as to the
timely payment of interest and repayment of principal in accordance with the
terms of the obligation. 

II. Nature of and provisions of the obligation. 

III. Protection afforded by, and relative position of, the obligation in the
event of bankruptcy, reorganization or other arrangements under the laws of
bankruptcy and other laws affecting creditors' rights. 

AAA--This is the highest rating assigned by Standard & Poor's to a debt
obligation and indicates an extremely strong capacity to pay principal and
interest. 

AA--Bonds rated AA also qualify as high-quality debt obligations. Capacity to
pay principal and interest is very strong, and in the majority of instances
they differ from AAA issues only in small degree. 

A--Bonds rated A have a strong capacity to pay principal and interest,
although they are somewhat more susceptible to the adverse effects of changes
in circumstances and economic conditions. 

BBB--Bonds rated BBB are regarded as having an adequate capacity to pay
interest and repay principal. Whereas they normally exhibit adequate
protection parameters, adverse economic conditions or changing circumstances
are more likely to lead to a weakened capacity to pay interest and repay
principal for debt in this category than in higher rated categories. 

Plus (+) or Minus (-): To provide more detailed indications of credit quality,
the ratings from "AA"to "BBB"may be modified by the addition
of a plus or minus sign to show relative standing within the major rating
categories. 

Provisional Ratings: A provisional rating ("p") assumes the successful
completion of the project being financed by the issuance of the bonds being
rated and indicates that payment of debt service requirements is largely or
entirely dependent upon the successful and timely completion of the project.
This rating, however, while addressing credit quality subsequent to
completion, makes no comment on the likelihood of, or the risk of default upon
failure of, such completion. Accordingly, the investor should exercise his own
judgment with respect to such likelihood and risk. 

Moody's Investors Service, Inc. A brief description of the applicable Moody's
Investors Service, Inc. ("Moody's") rating symbols and their meanings
follows: 

Aaa--Bonds which are rated Aaa are judged to be the best quality. They carry
the smallest degree of investment risk and are generally referred to as "
gilt edge". Interest payments are protected by a large, or by an
exceptionally stable, margin and principal is secure. While the various
protective elements are likely to change, such changes as can be visualized
are most unlikely to impair the fundamentally strong position of such issues.
With the occasional exception of oversupply in a few specific instances, the
safety of obligations of this class is so absolute that their market value is
affected solely by money market fluctuations. 

Aa--Bonds which are rated Aa are judged to be of high quality by all
standards. Together with the Aaa group they comprise what are generally known
as high grade bonds. They are rated lower than the best bonds because margins
of protection may not be as large as in Aaa securities or fluctuations of
protective elements may be of greater amplitude or there may be other elements
present which make the long-term risks appear somewhat larger than in Aaa
securities. These Aa bonds are high grade, their market value virtually immune
to all but money market influences, with the occasional exception of
oversupply in a few specific instances. 

A--Bonds which are rated A possess many favorable investment attributes and
are to be considered as higher medium grade obligations. Factors giving
security to principal and interest are considered adequate, but elements may
be present which suggest a susceptibility to impairment sometime in the
future. The market value of A-rated bonds may be influenced to some degree by
credit circumstances during a sustained period of depressed business
conditions. During periods of normalcy, bonds of this quality frequently move
in parallel with Aaa and Aa obligations, with the occasional exception of
oversupply in a few specific instances. 

Baa--Bonds which are rated Baa are considered as medium grade obligations;
i.e., they are neither highly protected nor poorly secured. Interest payments
and principal security appear adequate for the present but certain protective
elements may be lacking or may be characteristically unreliable over any great
length of time. Such bonds lack outstanding investment characteristics and in
fact have speculative characteristics as well. 

Moody's bond rating symbols may contain numerical modifiers of a generic
rating classification. The modifier 1 indicates that the bond ranks at the
high end of its category; the modifier 2 indicates a mid-range ranking; and
the modifier 3 indicates that the issue ranks in the lower end of its generic
rating category. 

Con--Bonds for which the security depends upon the completion of some act or
the fulfillment of some condition are rated conditionally. These are bonds
secured by (a) earnings of projects under construction, (b) earnings of
projects unseasoned in operating experience, (c) rentals which begin when
facilities are completed, or (d) payments to which some other limiting
condition attaches. Parenthetical rating denotes probable credit stature upon
completion of construction or elimination of basis of condition.

* As published by the rating companies.

REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS 
   
To the Board of Directors of Van Kampen Merritt Inc. and the Unitholders of
Insured Municipals Income Trust, 166th Insured Multi-Series (IM-IT, California
IM-IT Intermediate Laddered Maturity and Ohio IM-IT Intermediate Laddered
Maturity Trusts): 

We have audited the accompanying statements of condition and the related
portfolios of Insured Municipals Income Trust, 166th Insured Multi-Series
(IM-IT, California IM-IT Intermediate Laddered Maturity and Ohio IM-IT
Intermediate Laddered Maturity Trusts) as of October 4, 1994. The statements
of condition and portfolios are the responsibility of the Sponsor. Our
responsibility is to express an opinion on such financial statements based on
our audit. 
    
We conducted our audit in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. Our
procedures included confirmation of irrevocable letters of credit deposited to
purchase tax-exempt securities by correspondence with the Trustee. An audit
also includes assessing the accounting principles used and significant
estimates made by the Sponsor, as well as evaluating the overall financial
statement presentation. We believe our audit provides a reasonable basis for
our opinion. 
   
In our opinion, the financial statements referred to above present fairly, in
all material respects, the financial position of Insured Municipals Income
Trust, 166th Insured Multi-Series (IM-IT, California IM-IT Intermediate
Laddered Maturity and Ohio IM-IT Intermediate Laddered Maturity Trusts) as of
October 4, 1994, in conformity with generally accepted accounting principles. 


Chicago, Illinois                                        GRANT THORNTON 
October 4, 1994
    

<TABLE>
INSURED MUNICIPALS INCOME TRUST
   
166th INSURED MULTI-SERIES
Statements of Condition
As of 
October 4, 1994

<CAPTION>
                                                                          California    Ohio         
                                                                          IM-IT         IM-IT        
                                                                          Intermediate  Intermediate 
INVESTMENT IN SECURITIES                                                  Laddered      Laddered     
                                                            IM-IT         Maturity Trust Maturity Trust
<S>                                                         <C>           <C>           <C>          
Contracts to purchase tax-exempt securities <F1><F2><F4>... $   8,520,892 $   2,950,279 $   2,968,076
Accrued interest to the First Settlement Date <F1><F4>.....       146,473        30,409        21,745
Total...................................................... $   8,667,365 $   2,980,688 $   2,989,821
LIABILITY AND INTEREST OF UNITHOLDERS                                                                
                                                                                                     
Liability-- ...............................................                                          
 Accrued interest payable to Sponsor <F1><F4>               $      54,362 $       5,523 $          --
Interest of Unitholders-- .................................                                          
Cost to investors <F3>.....................................     9,052,000     3,066,390     3,081,600
Less: Gross underwriting commission <F3>...................       438,997        91,225        91,779
Net interest to Unitholders <F1><F3><F4>...................     8,613,003     2,975,165     2,989,821
Total...................................................... $   8,667,365 $   2,980,688 $   2,989,821

<FN>
<F1>The aggregate value of the Securities listed under "Portfolio"for
each Trust herein, and their cost to such Trust are the same. The value of the
Securities is determined by Interactive Data Services, Inc. on the bases set
forth under "Unitholder Explanations--Public Offering--Offering Price". 
The contracts to purchase tax-exempt Securities are collateralized by
irrevocable letters of credit which have been deposited with the Trustee in
and for the following amounts: 
</TABLE>

<TABLE>
<CAPTION>
                                                                                     Accrued    
                                                         Principal     Offering      Interest to 
                                           Amount of     Amount of     Price of      Expected   
                                           Letter of     Bonds Under   Bonds Under   Delivery   
                                           Credit        Contracts     Contracts     Dates      
<S>                                        <C>           <C>           <C>           <C>        
IM-IT..................................... $   8,661,606 $   9,085,000 $   8,520,892 $   140,714
California IM-IT Intermediate Laddered                                                          
 Maturity Trust........................... $   2,977,555 $   3,000,000 $   2,950,279 $    27,276
Ohio IM-IT Intermediate Laddered                                                                
 Maturity Trust........................... $   2,987,778 $   3,000,000 $   2,968,076 $    19,702
</TABLE>
    

<F2>Insurance coverage providing for timely payment, when due, of all principal
and interest on the Bonds in the Insured Trusts has been obtained either by
such Trusts, by a prior owner of the Bonds, by the Sponsor prior to the
deposit of such Bonds or by the issuers of the Bonds involved. Such insurance
does not guarantee the market value of the Bonds or the value of the Units.
The insurance obtained by the Insured Trusts is effective only while Bonds
thus insured are held in such Trusts. Neither the bid nor offering prices of
the underlying Bonds or of the Units, absent situations in which bonds are in
default in payment of principal or interest or in significant risk of such
default, include value, if any, attributable to the insurance obtained by such
Trusts. 

<F3>The aggregate public offering price (exclusive of interest) and the 
aggregate sales charge are computed on the bases set forth under 
"Unitholder Explanations--Public Offering--Offering Price"and "Trust
Administration--General--Sponsor and Underwriter Profits"and assume all
single transactions involve less than 100 Units. For single transactions
involving 100 or more Units, the sales charge is reduced (see "Unitholder
Explanations--Public Offering--General") resulting in an equal reduction
in both the Cost to investors and the Gross underwriting commission while 
the Net interest to Unitholders remains unchanged. 

<F4>Accrued interest on the underlying Securities represents the interest 
accrued as of the First Settlement Date from the later of the last payment
date on the Securities or the date of issuance thereof. The Trustee may 
advance to the Trust a portion of the accrued interest on the underlying 
Securities for distribution to the Sponsor as the Unitholder of record as 
of the First Settlement Date. A portion of the accrued interest 
("Purchased Interest") on the underlying Securities, as indicated under 
"Summary of Essential Financial Information", is payable by investors and 
is included in the Public Offering Price. Purchased Interest is the 
difference between Accrued interest to the First Settlement Date and Accrued
interest payable to Sponsor.

EQUIVALENT TAXABLE ESTIMATED CURRENT RETURN TABLES 

As of the date of this prospectus, the following tables show the approximate
taxable estimated current returns for individuals that are equivalent to
tax-exempt estimated current returns under combined Federal and State taxes
(where applicable) using the published Federal and State tax rates (where
applicable) scheduled to be in effect in 1994. They incorporate increased tax
rates for higher income taxpayers that were included in the Revenue
Reconciliation Act of 1993. These tables illustrate approximately what you
would have to earn on taxable investments to equal the tax-exempt estimated
current return in your income tax bracket. For cases in which more than one
State bracket falls within a Federal bracket, the highest State bracket is
combined with the Federal bracket. The combined State and Federal tax rates
shown reflect the fact that State tax payments are currently deductible for
Federal tax purposes. The tables do not show the approximate taxable estimated
current returns for individuals that are subject to the alternative minimum
tax. The taxable equivalent estimated current returns may be somewhat higher
than the equivalent returns indicated in the following tables for those
individuals who have adjusted gross incomes in excess of $111,800. The tables
do not reflect the effect of limitations on itemized deductions and the
deduction for personal exemptions. They were designed to phase out certain
benefits of these deductions for higher income taxpayers. These limitations,
in effect, raise the marginal maximum Federal tax rate to approximately 44
percent for taxpayers filing a joint return and entitled to four personal
exemptions and to approximately 41 percent for taxpayers filing a single
return entitled to only one personal exemption. These limitations are subject
to certain maximums, which depend on the number of exemptions claimed and the
total amount of the taxpayer's itemized deductions. For example, the
limitation on itemized deductions will not cause a taxpayer to lose more than
80% of his allowable itemized deductions, with certain exceptions. See "
Other Matters--Federal Tax Status"for a more detailed discussion of
recent Federal tax legislation, including a discussion of provisions affecting
corporations. 
   
IM-IT
<TABLE>
<CAPTION>
Taxable Income ($1,000's)                                                          Tax-Exempt Estimated Current Return 
    Single              Joint              Tax   
    Return             Return             Bracket    5 1/2%    6%       6 1/2%     7%       7 1/2%     8%       8 1/2%
                                                                           Equivalent Taxable Estimated Current Return 
<S>                  <C>                  <C>        <C>      <C>      <C>       <C>       <C>       <C>      <C>      
$         0 - 22.80  $        0 -  38.00       15%    6.47%    7.06%     7.65%     8.24%     8.82%     9.41%   10.00%
     22.80 -  55.10       38.00 -  91.90       28     7.64     8.33      9.03      9.72     10.42     11.11    11.81 
     55.10 - 115.00       91.90 - 140.00       31     7.97     8.70      9.42     10.14     10.87     11.59    12.32 
    115.00 - 250.00      140.00 - 250.00       36     8.59     9.38     10.16     10.94     11.72     12.50    13.28 
        Over 250.00          Over 250.00     39.6     9.11     9.93     10.76     11.59     12.42     13.25    14.07 
</TABLE>

CALIFORNIA INTERMEDIATE LADDERED MATURITY
<TABLE>
<CAPTION>
Taxable Income ($1,000's)                                                          Tax-Exempt Estimated Current Return 
    Single              Joint              Tax   
    Return             Return             Bracket    4 1/2%    5%       5 1/2%     6%       6 1/2%     7%       7 1/2%
                                                                           Equivalent Taxable Estimated Current Return 
<S>                  <C>                  <C>        <C>      <C>      <C>       <C>       <C>       <C>      <C>      
$         0 - 22.80  $         0 - 38.00     20.1%      5.63%   6.26%    6.88%     7.51%     8.14%     8.76%    9.39%
       22.80 - 55.10       38.00 - 91.90     34.7       6.89    7.66     8.42      9.19      9.95     10.72     11.49 
                          91.90 - 140.00     37.4       7.19    7.99     8.79      9.58     10.38     11.18     11.98 
     55.10 - 115.00                          37.9       7.25    8.05     8.86      9.66     10.47     11.27     12.08 
    115.00 - 215.00      140.00 - 250.00     42.4       7.81    8.68     9.55     10.42     11.28     12.15     13.02 
    215.00 - 250.00                            43       7.89    8.77     9.65     10.53     11.40     12.28     13.16 
                          250.00 - 429.90    45.6       8.27    9.19    10.11     11.03     11.95     12.87     13.79 
        Over 250.00         Over 429.90      46.2       8.36    9.29    10.22     11.15     12.08     13.01     13.94 
</TABLE>

*The State tax rates assumed do not take into account possible adjustment of
tax brackets based on changes in the Consumer Price Index. The table reflects
California income tax laws that increase State income tax rates for high
income taxpayers. However, the table does not reflect the limitation on
itemized deductions and the phase out of the benefit for the personal
exemption credit and the dependent exemption credit that are imposed by the
California income tax laws in a manner similar to Federal tax law. 

OHIO INTERMEDIATE LADDERED MATURITY
<TABLE>
<CAPTION>
Taxable Income ($1,000's)                                                          Tax-Exempt Estimated Current Return 
    Single              Joint              Tax   
    Return             Return             Bracket    4 1/2%    5%       5 1/2%     6%       6 1/2%     7%       7 1/2%
                                                                           Equivalent Taxable Estimated Current Return 
<S>                  <C>                  <C>        <C>      <C>      <C>       <C>       <C>       <C>      <C>      
$        0 -  22.80  $        0 -  38.00     18.8%      5.54%   6.16%    6.77%     7.39%     8.00%     8.62%     9.24%
     22.80 -  55.10                          31.7       6.59    7.32     8.05      8.78      9.52     10.25     10.98  
                          38.00 -  91.90     32.3       6.65    7.39     8.12      8.86      9.60     10.34     11.08  
     55.10 - 115.00       91.90 - 140.00     35.8       7.01    7.79     8.57      9.35     10.12     10.90     11.68  
    115.00 - 250.00      140.00 - 250.00     40.8       7.60    8.45     9.29     10.14     10.98     11.82     12.67  
        Over 250.00          Over 250.00     44.1       8.05    8.94     9.84     10.73     11.63     12.52     13.42  
</TABLE>
    
A comparison of tax-free and equivalent taxable estimated current returns with
the returns on various taxable investments is one element to consider in
making an investment decision. The Sponsor may from time to time in its
advertising and sales materials compare the then current estimated returns on
the Trusts and returns over specified periods on other similar Van Kampen
Merritt sponsored unit investment trusts with returns on taxable investments
such as corporate or U.S. Government bonds, bank CDs and money market accounts
or money market funds, each of which has investment characteristics that may
differ from those of the Trusts. U.S. Government bonds, for example, are
backed by the full faith and credit of the U.S. Government and bank CDs and
money market accounts are insured by an agency of the federal government.
Money market accounts and money market funds provide stability of principal,
but pay interest at rates that vary with the condition of the short-term debt
market. The investment characteristics of the Trusts are described more fully
elsewhere in this Prospectus. 

ESTIMATED CASH FLOWS TO UNITHOLDERS 

The tables below set forth the per Unit estimated distributions of interest,
principal and rebates of Purchased Interest to Unitholders. The tables assume
no changes in expenses, no changes in the current interest rates, no
exchanges, redemptions, sales or prepayments of the underlying Securities
prior to maturity or expected retirement date and the receipt of principal
upon maturity or expected retirement date. To the extent the foregoing
assumptions change actual distributions will vary. 
   
IM-IT
Monthly 
<TABLE>
<CAPTION>
                                                           Estimated              
                                   Estimated  Estimated    Purchased  Estimated   
Distribution Dates                 Interest   Principal    Interest   Total       
(Each Month)                     Distribution Distribution Rebate     Distribution
<S>        <C>  <C>         <C>      <C>        <C>           <C>        <C>
 November  1994                      3.13                                  3.13
 December  1994 - July      2006     4.94                                  4.94
 August    2006                      4.52       110.47        1.22       116.21
 September 2006 - December  2015     4.34                                  4.34
 January   2016                      4.34        55.23         .57        60.14
 February  2016 - December  2016     4.06                                  4.06
 January   2017                      4.06        55.24         .51        59.81
 February  2017 - August    2018     3.81                                  3.81
 September 2018                      3.81        22.10                    25.91
 October   2018 - August    2021     3.81                                  3.81
 September 2021                      3.57        86.72         .96        91.25
 October   2021 - June      2022     3.36                                  3.36
 July      2022                      3.05       110.47        1.25       114.77
 August    2022                      2.78                                  2.78
 September 2022                      2.48       110.47        1.20       114.15
 October   2022 - September 2024     2.21                                  2.21
 October   2024                      2.21        55.24         .61        58.06
 November  2024 - June      2026     1.93                                  1.93
 July      2026                      1.93       110.47        1.23       113.63
 August    2026 - June      2028     1.35                                  1.35
 July      2028                      1.35        66.28         .69        68.32
 August    2028 - November  2028     1.03                                  1.03
 December  2028                      1.03       110.48        1.08       112.59
 January   2029 - December  2032      .52                                   .52
 January   2033                       .52       110.47        1.21       112.20 
</TABLE>

California IM-IT Intermediate Laddered Maturity Trust
Monthly 
<TABLE>
<CAPTION>
                                                                       Estimated              
                                               Estimated  Estimated    Purchased  Estimated   
Distribution Dates                             Interest   Principal    Interest   Total       
(Each Month)                                   Distribution Distribution Rebate     Distribution
<S>           <C>      <C>            <C>      <C>        <C>          <C>        <C>         
November         1994                          $   2.52                           $     2.52  
December         1994  - May          1999         3.97                                 3.97  
June             1999                              3.97   $   200.00   $   1.63       205.60  
July             1999  - April        2000         3.18                                 3.18  
May              2000                              3.18        41.66        .37        45.21  
June             2000  - August       2000         3.00                                 3.00  
September        2000                              3.00       158.34       1.21       162.55  
October          2000  - April        2001         2.41                                 2.41  
May              2001                              2.41        73.33        .66        76.40  
June             2001  - July         2001         2.09                                 2.09  
August           2001                              2.09       126.67       1.03       129.79  
September        2001  - April        2002         1.59                                 1.59  
May              2002                              1.59        83.33        .76        85.68  
June             2002  - July         2002         1.22                                 1.22  
August           2002                              1.22        73.33        .64        75.19  
September        2002  - November     2002          .90                                  .90  
December         2002                               .90        43.34        .36        44.60  
January          2003  - March        2003          .73                                  .73  
April            2003                               .73       100.00        .85       101.58  
May              2003  - November     2003          .31                                  .31  
December         2003                               .31       100.00        .79       101.10  
</TABLE>

Ohio IM-IT Intermediate Laddered Maturity Trust
Monthly
<TABLE>
<CAPTION>
                                                                     Estimated            
                                              Estimated Estimated    Purchased Estimated  
Distribution Dates                            Interest  Principal    Interest  Total      
(Each Month)                                  Distribution Distribution Rebate    Distribution
<S>          <C>      <C>            <C>      <C>       <C>          <C>       <C>        
November        1994                          $   2.57                         $     2.57 
December        1994  - September    1999         4.06                               4.06 
October         1999                              4.06  $   200.00   $   1.44      205.50 
November        1999  - November     2000         3.24                               3.24 
December        2000                              3.17       200.00      1.48      204.65 
January          2001 - May          2001         2.40                               2.40 
June             2001                             2.33        33.33       .22       35.88 
July             2001 - November     2001         2.27                               2.27 
December         2001                             1.96       166.67      1.23      169.86 
January          2002 - May          2002         1.57                               1.57 
June             2002                             1.57        33.33       .22       35.12 
July             2002 - November     2002         1.44                               1.44 
December         2002                             1.21       166.67      1.24      169.12 
January          2003 - May          2003          .74                                .74 
June             2003                              .74        51.66       .34       52.74 
July             2003 - November     2003          .54                                .54 
December         2003                              .33       148.34      1.08      149.75 
</TABLE>
    
No person is authorized to give any information or to make any representations
not contained in this Prospectus; and any information or representation not
contained herein must not be relied upon as having been authorized by the
Fund, the Sponsor or the Underwriters. This Prospectus does not constitute an
offer to sell, or a solicitation of an offer to buy, securities in any state
to any person to whom it is not lawful to make such offer in such state.

<TABLE>
<CAPTION>
Title                                                            
Page                                                             
<S>                                                         <C>  
INTRODUCTION                                                2    
SUMMARY OF ESSENTIAL FINANCIAL INFORMATION                  3    
UNITHOLDER EXPLANATIONS                                     5    
Settlement of Bonds in the Trusts                           5    
The Fund                                                    5    
Objectives and Securities Selection                         6    
Risk Factors                                                7    
Replacement Bonds                                           10   
Bond Redemptions                                            11   
Distributions                                               11   
Certificates                                                11   
Estimated Current Returns and Estimated Long-Term Returns   12   
Interest Earning Schedule                                   12   
Calculation of Estimated Net Annual Interest Income         12   
Purchased and Accrued Interest                              13   
Purchased Interest                                          13   
Accrued Interest                                            13   
Public Offering                                             13   
General                                                     13   
Offering Price                                              15   
Market for Units                                            16   
Distributions of Interest and Principal                     16   
Reinvestment Option                                         17   
Redemption of Units                                         17   
Reports Provided                                            19   
Insurance on the Bonds in the Insured Trusts                19   
   
IM-IT TRUST                                                 26   
CALIFORNIA IM-IT INTERMEDIATE LADDERED MATURITY                  
TRUST                                                       29   
OHIO IM-IT INTERMEDIATE LADDERED MATURITY TRUST             38   
    
NOTES TO PORTFOLIOS                                         44   
UNDERWRITING                                                46   
TRUST ADMINISTRATION                                        48   
Fund Administration and Expenses                            48   
Sponsor                                                     48   
Compensation of Sponsor and Evaluator                       52   
Trustee                                                     52   
Trustee's Fee                                               52   
Portfolio Administration                                    53   
Sponsor Purchases of Units                                  53   
Insurance Premiums                                          54   
Miscellaneous Expenses                                      54   
General                                                     54   
Amendment or Termination                                    54   
Limitation on Liabilities                                   55   
Unit Distribution                                           55   
Sponsor and Underwriter Compensation                        56   
OTHER MATTERS                                               57   
Legal Opinions                                              57   
Independent Certified Public Accountants                    57   
FEDERAL TAX STATUS                                          57   
DESCRIPTION OF SECURITIES RATINGS                           60   
REPORT OF INDEPENDENT CERTIFIED PUBLIC                           
ACCOUNTANTS                                                 61   
STATEMENTS OF CONDITION                                     62   
EQUIVALENT TAXABLE ESTIMATED CURRENT RETURN                      
TABLES                                                      63   
ESTIMATED CASH FLOWS TO UNITHOLDERS                         65   
</TABLE>

This Prospectus contains information concerning the Fund and the Sponsor, but
does not contain all of the information set forth in the registration
statements and exhibits relating thereto, which the Fund has filed with the
Securities and Exchange Commission, Washington, D.C., under the Securities Act
of 1933 and the Investment Company Act of 1940, and to which reference is
hereby made. 

(R)denotes a registered trademark of Van Kampen Merritt Inc.

PROSPECTUS
   
October 4, 1994

Insured Municipals Income Trust, 166th
Insured Multi-Series

IM-IT 334
California IM-IT Intermediate Laddered Maturity Series 14
Ohio IM-IT Intermediate Laddered Maturity Series 6
    

Van Kampen Merritt (R)

Investing with a sense of direction (R)

One Parkview Plaza
Oakbrook Terrace, Illinois 60181

Mellon Bank Center
1735 Market Street, Suite 1300
Philadelphia, Pennsylvania 19103

Please retain this Prospectus for future reference. 
                   Contents of Registration Statement
     
     This  Amendment  of Registration Statement comprises  the  following
papers and documents:

     The facing sheet
     The Cross-Reference sheet
     The Prospectus
     The signatures
     The consents of independent public accountants, ratings
        services and legal counsel

The following exhibits:

1.1  Copy of Trust Agreement.

1.4  Copy  of Municipal Bond Fund Portfolio Insurance Policies issued  by
     AMBAC  Indemnity  Corporation  and/or Financial  Guaranty  Insurance
     Company for any Trust.

1.5  Copy of Agreement Among Underwriters.

3.1  Opinion  and  consent of counsel as to legality of securities  being
     registered.

3.2  Opinion  of  counsel as to Federal income tax status  of  securities
     being registered.

3.3  Opinion  and consent of counsel as to income tax status of the  Fund
     under New York law.

3.4  Opinion and consent of counsel as to income tax status to California
     residents  of  Units  of the California IM-IT Intermediate  Laddered
     Maturity Trust.

3.4  Opinion  and  consent of counsel as to income  tax  status  to  Ohio
     residents of Units of the Ohio IM-IT Intermediate Laddered  Maturity
     Trust.

4.1  Consent of Interactive Data Services, Inc.

4.2  Consent of Standard & Poor's Corporation.

4.3  Consent of Grant Thornton.

4.4  Financial Data Schedule
                               Signatures
     
     The Registrant, Insured Municipals Income Trust, 166th Insured Multi-
Series  hereby identifies Insured Municipals Income Trust,  77th  Insured
Multi-Series  and Insured Municipals Income Trust and Investors'  Quality
Tax-Exempt  Trust,  Multi-Series 189 for purposes of the  representations
required  by  Rule  487  and  represents the  following:   (1)  that  the
portfolio  securities  deposited in the series as to  the  securities  of
which this Registration Statement is being filed do not differ materially
in  type  or  quality from those deposited in such previous  series;  (2)
that,  except to the extent necessary to identify the specific  portfolio
securities  deposited in, and to provide essential financial  information
for, the series with respect to the securities of which this Registration
Statement  is being filed, this Registration Statement does  not  contain
disclosures  that differ in any material respect from those contained  in
the  registration statements for such previous series  as  to  which  the
effective  date  was determined by the Commission or the staff;  and  (3)
that it has complied with Rule 460 under the Securities Act of 1933.
     
     Pursuant  to  the requirements of the Securities Act  of  1933,  the
Registrant,  Insured Municipals Income Trust, 166th Insured  Multi-Series
has duly caused this Amendment to the Registration Statement to be signed
on  its behalf by the undersigned, thereunto duly authorized, in the City
of Chicago and State of Illinois on the 4th day of October, 1994.

                                    Insured Municipals Income Trust
                                      166th Insured Multi-Series
                                    
                                    By Van Kampen Merritt Inc.
                                    
                                    By Sandra A. Waterworth
                                       Vice President
     
     Pursuant  to  the requirements of the Securities Act of  1933,  this
Amendment  to  the Registration Statement has been signed  below  by  the
following persons in the capacities indicated and on October 4, 1994.

 Signature                 Title

John C. Merritt     Chairman, Chief Executive )
                      Officer and Director    )

William R. Rybak    Senior Vice President and )
                      Chief Financial Officer )

Ronald A. Nyberg    Director                  )

William R. Molinari Director                  )
Sandra A. Waterworth
(Attorney-in-fact*)

*An executed copy of each of the related powers of attorney was
filed with the Securities and Exchange Commission in connection with
the Registration Statement  on Form S-6 of Insured Municipals Income
Trust and Investors' Quality Tax-Exempt Trust, Multi-Series 203
(File No. 33-65744) and the same are hereby incorporated herein by
this reference.



                                                           Exhibit 1.1
                                   --
                     Insured Municipals Income Trust
                       166th Insured Multi-Series
                                    
                             Trust Agreement
                                    
                                                  Dated:  October 4, 1994
     
     This  Trust Agreement between Van Kampen Merritt Inc., as Depositor,
American Portfolio Evaluation Services, a division of Van Kampen  Merritt
Investment  Advisory Corp., as Evaluator, and The Bank of  New  York,  as
Trustee,  sets  forth certain provisions in full and  incorporates  other
provisions  by  reference  to the document entitled  "Insured  Municipals
Income Trust, Standard Terms and Conditions of Trust, Effective July  29,
1987  for 36th Insured Multi-Series and Subsequent Series" (herein called
the "Standard Terms and Conditions of Trust"), and such provisions as are
set  forth  in full and such provisions as are incorporated by  reference
constitute  a  single instrument.  All references herein to Articles  and
Sections  are  to  Articles  and  Sections  of  the  Standard  Terms  and
Conditions of Trust.
                                    
                                    
                            Witnesseth That:
     
     In consideration of the premises and of the mutual agreements herein
contained, the Depositor and the Trustee agree as follows:
                                    
                                    
                                 Part I
                                    
                                    
                 Standard Terms and Conditions of Trust
     
     Subject  to  the  provisions of Part II hereof, all  the  provisions
contained  in  the  Standard Terms and Conditions  of  Trust  are  herein
incorporated by reference in their entirety and shall be deemed to  be  a
part  of  this instrument as fully and to the same extent as though  said
provisions had been set forth in full in this instrument.
                                    
                                    
                                 Part II
                                    
                                    
                  Special Terms and Conditions of Trust
     
     The following special terms and conditions are hereby agreed to:
     
          (a)    The  Bonds  defined in Section  1.01(4)  listed  in  the
     Schedules hereto have been deposited in the Trusts under this  Trust
     Agreement.
     
          (b)   The fractional undivided interest in and ownership of the
     various  Trusts represented by each Unit thereof is the  amount  set
     forth  under  "Summary of Essential Financial Information-Fractional
     Undivided Interest in the Trust per Unit" in the Prospectus.
     
          (c)    The approximate amounts, if any, which the Trustee shall
     be  required to advance out of its own funds and cause to be paid to
     the  Depositor pursuant to Section 3.05 shall be the amount per Unit
     that the Trustee agreed to reduce its fee or pay Trust expenses  set
     forth  in the footnotes to the "Per Unit Information" for each Trust
     in  the  Prospectus times the number of units in such Trust referred
     to in Part II (b) of this Trust Agreement.
     
         (d)   The First General Record Date and the amount of the second
     distribution of funds from the Interest Account of each Trust  shall
     be the record date for the Interest Account and the amount set forth
     under "Interest Earning Schedule" in the Prospectus.
     
          (e)    The  First Settlement Date shall be the date  set  forth
     under "Summary of Essential Financial Information - First Settlement
     Date" in the Prospectus.
     
          (f)    Any monies held to purchase "when-issued" bonds will  be
     held in noninterest bearing accounts.
     
          (g)    The  Evaluation Time for purpose of  sale,  purchase  or
     redemption of Units shall be 4:00 P.M. Eastern Time.
     
          (h)    The  face  of  the  form of  the  Certificates  will  be
     substantially as follows:
                                    
        No.__________ Certificate of Ownership ___________ Units
                             --Evidencing--
                          An Undivided Interest
                                 --In--
     
     This  is  to  certify that _____________ is the owner and registered
holder of this Certificate evidencing the ownership of ___________  units
of  fractional  undivided  interest  in  the  above-named  Trust  created
pursuant to the Indenture, a copy of which is available at the office  of
the  Trustee.   This Certificate is issued under and is  subject  to  the
terms, provisions and conditions of the Indenture to which the Holder  of
this Certificate by virtue of the acceptance hereof assents and is bound,
a  summary of which Indenture is contained in the Prospectus relating  to
the  Trust.  This Certificate is transferable and interchangeable by  the
registered  owner  in person or by his duly authorized  attorney  at  the
Trustee's office upon surrender of this Certificate properly endorsed  or
accompanied  by a written instrument of transfer and any other  documents
that  the Trustee may require for transfer, in form satisfactory  to  the
Trustee and payment of the fees and expenses provided in the Indenture.
     
     Witness the facsimile signature of a duly authorized officer of  the
Sponsor  and  the  manual  signature of an authorized  signatory  of  the
Trustee.

Dated:

Van Kampen Merritt Inc.             The Bank of New York
    Depositor                       Trustee

By _______________________________  By_______________________________
  Chairman                            Authorized Signatory

     
          (i)    Section  8.02(d)  and  (e) of  the  Standard  Terms  and
     Conditions  of  Trust  are  hereby  stricken  and  replaced  by  the
     following:
          
               (d)   distribution to each Certificateholder of such Trust
          such  holder's  pro rata share of the balance of  the  Interest
          Account of such Trust;
          
               (e)   distribution to each Certificateholder of such Trust
          such  holder's  pro rata share of the balance of the  Principal
          Account of such Trust; and
          
          In  Witness  Whereof, Van Kampen Merritt Inc. has  caused  this
     Trust  Agreement  to  be executed by one of its Vice  Presidents  or
     Assistant  Vice  Presidents  and its corporate  seal  to  be  hereto
     affixed  and attested by its Secretary or one of its Vice Presidents
     or Assistant Secretaries, American Portfolio Evaluation Services,  a
     division of Van Kampen Merritt Investment Advisory Corp., has caused
     this  Trust Indenture and Agreement to be executed by its  President
     or  one  of its Vice Presidents and its corporate seal to be  hereto
     affixed and attested to by its Secretary, its Assistant Secretary or
     one  of its Assistant Vice Presidents and The Bank of New York,  has
     caused  this  Trust  Agreement to be executed by  one  of  its  Vice
     Presidents and its corporate seal to be hereto affixed and  attested
     to  by  one  of  its Vice Presidents, Assistant Vice  Presidents  or
     Assistant Treasurers; all as of the day, month and year first  above
     written.

                                    Van Kampen Merritt Inc.
                                    
                                    By Sandra A. Waterworth
                                       Vice President
(Seal)
Attest:
By Gina M. Scumaci
   Assistant Secretary

                                    American Portfolio Evaluation
                                       Services, a division of Van Kampen
                                       Merritt Investment Advisory Corp.
                                    
                                    
                                    By Dennis J. Mcdonnell
                                       President
(Seal)
Attest:
By Scott E. Martin
   Secretary
                                    The Bank Of New York
                                    By Jeffrey Bieselin
                                       Vice President
(Seal)
Attest:
By Norbert Loney
   Assistant Treasurer

                      Schedules To Trust Agreement
                     Securities Initially Deposited
                                   In
       Insured Municipals Income Trust, 166th Insured Multi-Series

(Note:  Incorporated herein and made a part hereof as indicated below are
     the corresponding "Portfolios" of each of the Trusts as set forth in
     the Prospectus.)


                                                               Exhibit 1.5

                                                      Dated:  June 1, 1992

                   Master Agreement Among Underwriters
                 For Unit Investment Trusts Sponsored by
                         Van Kampen Merritt Inc.
                                    
Van Kampen Merritt Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois 60181

Gentlemen:

      1.    The  Trust.  We understand that you, Van Kampen Merritt  Inc.
(the  "Sponsor"), are entering into this agreement (the  "Agreement")  in
counterparts with us and other firms who may be underwriters  for  issues
of  various  series of unit investment trusts for which you will  act  as
Sponsor.  This Agreement shall apply to any offering after May 1, 1992 of
units  of  fractional  undivided interest in  such  various  series  unit
investment   trusts  in  which  we  elect  to  act  as   an   underwriter
(underwriters  with  respect to each such trust being hereinafter  called
"Underwriters") after receipt of a notice from you stating the  name  and
size  of  the trust and that our participation as an Underwriter  in  the
proposed  offering shall be subject to the provisions of this  Agreement.
The issuer of the units of fractional undivided interests in a series  of
a unit investment trust offered in any offering of units made pursuant to
this  Agreement  is  hereinafter referred  to  as  the  "Trust"  and  the
reference  to "Trust" in this Agreement applies only to such  Trust,  and
such  units  of  such Trust offered are hereinafter called  the  "Units".
Each  Trust  is or will be registered as a "unit investment trust"  under
the  Investment  Company  Act  of 1940 (the "1940  Act")  by  appropriate
filings  with  the Securities and Exchange Commission (the "Commission").
Additionally,  each  Trust is or will be registered with  the  Commission
under  the  Securities Act of 1933 (the "1933 Act") on Form  S-6  or  its
successor   forms,   including  a  proposed  form  of   prospectus   (the
"Preliminary Prospectus").
     
     The  registration statement as finally amended and  revised  at  the
time  it  becomes  effective is herein referred to as  the  "Registration
Statement"  and  the  related prospectus is herein  referred  to  as  the
"Prospectus",  except that if the prospectus filed by the Trust  pursuant
to  Rule  424(b) under the 1933 Act shall differ from the  prospectus  on
file  at the time the Registration Statement shall become effective,  the
term  "Prospectus" shall refer to the prospectus filed pursuant  to  Rule
424(b) from and after the date on which it shall have been filed.
     
     The following provisions of this Agreement shall apply separately to
each individual offering of Units by a Trust.
     
     We  understand  that as of the date upon which  we  have  agreed  to
underwrite  Units of the Trust the Commission shall not have  issued  any
order  preventing  or  restraining the use of any Preliminary  Prospectus
and,  further,  that  each Preliminary Prospectus shall  conform  in  all
material  respects to the requirements of the 1933 Act and the Rules  and
Regulations thereunder and, as of its date, shall not include any  untrue
statement  of a material fact or omit to state a material fact  necessary
to  make the statements therein not misleading; and when the Registration
Statement becomes effective, it and the Prospectus, and any amendments or
supplements thereto, will contain all statements that are required to  be
stated  therein  in  accordance with the  1933  Act  and  the  Rules  and
Regulations thereunder and will in all material respects conform  to  the
requirements  of  the 1933 Act and the Rules and Regulations  thereunder,
and  neither  the  Registration Statement nor  the  Prospectus,  nor  any
amendment or supplement thereto, will contain any untrue statement  of  a
material  fact  or omit to state a material fact required  to  be  stated
therein  or  necessary  to  make the statements therein  not  misleading;
provided,  however, that you make no representation  or  warranty  as  to
information contained in or omitted from any Preliminary Prospectus,  the
Registration   Statement,  the  Prospectus  or  any  such  amendment   or
supplement,  in reliance upon and in conformity with, written information
furnished to you by or on behalf of any Underwriter specifically for  use
in the preparation thereof.

      2.    Designation and Authority of Representative.  You are  hereby
authorized  to  act  as  our  representative  (the  "Representative")  in
connection with all matters to which this Agreement relates and  to  take
the  action provided herein to be taken by you as you may otherwise  deem
necessary or advisable.  We understand that we have no obligations  under
this  Agreement  with  respect to any Trust in which  we  choose  not  to
participate as an Underwriter.
     
     You  will be under no liability to us for any act or omission except
for  obligations  expressly assumed by you herein and no  obligations  on
your  part  will  be  implied  or  inferred  herefrom.   The  rights  and
liabilities of the respective parties hereto are several and  not  joint,
and  nothing  herein  or hereunder will constitute  then  a  partnership,
association or separate entity.

      3.   Profit or Loss in Acquisition of Securities.  It is understood
that the acquisition of securities (the "Securities") for deposit in  the
portfolio  of  the Trust shall be at your cost and risk.  We  acknowledge
that you will share with us any net deposit profits in the amounts and to
the   extent,   if   any,  indicated  under  "Sponsor   and   Underwriter
Compensation"  in  the Prospectus.  For the purposes of  determining  the
number of Units underwritten, we understand that we will be credited  for
that  number of Units set forth opposite our name in the section entitled
"Underwriting" in the prospectus.
     
     We  agree  that  you  shall have no liability (as Representative  or
otherwise)   with   respect  to  the  issue  form,  validity,   legality,
enforceability,  value  of, or title to the Securities,  except  for  the
exercise  of  due care in determining the genuineness of such  Securities
and  the  conformance  thereof with the descriptions  and  qualifications
appearing in the Prospectus.

      4.   Purchase of Units.  Promptly after you make a determination to
offer  Units  of  a  Trust and you inquire as to  whether  we  desire  to
participate  in  such offering, we will advise you  promptly  as  to  the
number  of  Units  which  we will purchase or  of  our  decision  not  to
participate in such offering.  Such advice may be written or  oral.   The
delivery to the Sponsor of a completed Schedule A to this Agreement shall
constitute  adequate written advice.  Oral advice shall  be  binding  but
shall  be  promptly  confirmed in writing by us by  means  of  telegraph,
telegram  or other form of wire or facsimile transmission.  Such  written
confirmation  shall contain the information requested by  Schedule  A  to
this  Agreement.  You may rely on and we hereby commit on the  terms  and
conditions of this Agreement to purchase and pay for the number of  Units
of  the Trust set forth in such advice (the "Unit Commitment").  Our Unit
Commitment may be increased only by mutual agreement between us  and  you
at  any  time prior to the date as of which the Trust Agreement  for  the
Trust  is  executed (the "Date of Deposit").  We agree that you  in  your
sole discretion reserve the right to decrease our Unit Commitment at  any
time  prior  to the Date of Deposit and if you so elect to  make  such  a
decrease,  you  will  notify  us of such an  election  by  telephone  and
promptly confirm the same in writing.
     
     The  price  to  be paid for such Units shall be the Public  Offering
Price per Unit (as defined in the Prospectus) as first determined on  the
Date  of  Deposit or such later determination on such Date of Deposit  as
you  shall advise us, less the sum per Unit indicated under "Sponsor  and
Underwriter  Compensation" in the Prospectus.  Further, each  Underwriter
who  underwrites  that  number  of Units  indicated  under  "Sponsor  and
Underwriter Compensation" in the Prospectus will receive from the Sponsor
that  additional  compensation  indicated  under  such  section  of   the
Prospectus for each Unit it underwrites, providing the Trust size  is  in
excess  of that number of Units, if any, indicated under such section  of
the  Prospectus.  At the Date of Deposit, we will become the owner of the
Units  and  be  entitled to the benefits (except for  interest,  if  any,
accruing from the Date of Deposit to the First Settlement Date)  as  well
as  the  risks inherent therein.  We acknowledge that those  persons,  if
any, named in the Prospectus under "Sponsor and Underwriter Compensation"
are  Managing  or  Co-Managing Underwriters of the  Trust,  as  indicated
therein, and we acknowledge that those persons specifically named therein
will receive as additional compensation those respective per Unit amounts
set forth in such section of the Prospectus.
     
     You  are  authorized  to  retain custody  of  our  Units  until  the
Registration  Statement relating thereto has become effective  under  the
1933 Act and you shall have received payment from us for such Units.
     
     You  are  authorized  to  file  an amendment  to  said  Registration
Statement  describing  the  Securities and furnishing  information  based
thereon or relating thereto and any further amendments or supplements  to
the Registration Statement or Prospectus which you may deem necessary  or
advisable.  We will furnish to you upon your request such information  as
will be required to insure that the Registration Statement and Prospectus
are  current  insofar as they relate to us and we thereafter continue  to
furnish you with such information as may be necessary to keep current and
correct the information previously supplied.
     
     We  understand that the Trust will also take action with respect  to
the  offering  and  sale of Units in accordance  with  the  Blue  Sky  or
securities laws of certain states in which it is proposed that the  Units
may be offered and sold.

      5.    Public Offering.  You agree that you will advise us  promptly
when  the Registration Statement has become effective, and we agree  that
when  we are advised that the Units are released for public offering,  we
will make a public offering thereof by means of the Prospectus under  the
1933  Act,  as  amended, which describes the deposit  of  Securities  and
related  information.   The  Public Offering  Price  and  the  terms  and
conditions of the public offering shall be as set forth in the Prospectus
and  shall rely with respect to the offering price of the Securities upon
the  determination  of  the Evaluator named in  the  Prospectus.   Public
advertisement of the offering, if any, shall be made by you on behalf  of
the  Underwriters  on such date as you shall determine.   We  agree  that
before  we  use any Trust advertising material which we have created,  we
will obtain your prior approval to use such advertising materials.

      6.    Public  Offering Price.  We agree that each  day  while  this
Agreement  is in effect and the evaluation of the Trust is  made  by  the
Evaluator  named  in  the  Prospectus,  we  will  contact  you  for  such
evaluation and of the resultant Public Offering Price for the purpose  of
the offering and sale of the respective Units to the public.  We agree as
required by Section 22(d) of the 1940 Act to offer and sell our Units  at
the current Public Offering Price described in the Prospectus.

      7.    Permitted Transactions.  It is agreed that part or all of the
Units purchased by us may be sold to dealers, or other entities with whom
we  can legally grant a concession or agency commission, only at the then
effective  Public  Offering Price, less the concession described  in  the
Prospectus.
     
     From  time  to  time prior to the termination of this Agreement,  at
your  Request, we will advise you of the number of our Units which remain
unsold  and,  at  your request, we agree to deliver to you  any  of  such
unsold  Units to be sold for our account to retail accounts or, less  the
concession or agency commission then effective, to dealers or others.
     
     If  prior to the termination of this Agreement, or such earlier date
as you may determine and advise us thereof in writing, you shall purchase
or  contract to purchase any of our Units or any Units issued in exchange
therefor, in the open market or otherwise, or if any such Units shall  be
tendered to the Trustee for redemption because not effectively placed for
investment by us, we agree to repurchase such Units at a price  equal  to
the   total  cost  of  such  purchase,  including  accrued  interest  and
commissions, if any, and transfer taxes on redelivery.  Regardless of the
amount  paid on the repurchase of any such Units, it is agreed that  they
may be resold by us only at the then effective Public Offering Price.
     
     Until the termination of this Agreement, we agree that we will  make
no  purchase  of  Units  other than (i) purchases provided  for  in  this
Agreement, (ii) purchases approved by you and (iii) purchases  as  broker
in executing unsolicited orders.

      8.   Compliance With Commission Order.  We hereby agree as follows:
(a)  we will refund all sales charges to purchasers of Units from  us  or
any  dealer participating in the distribution of Units who purchased such
Units  from us if, within ninety days from the time that the Registration
Statement  of the respective Units under the 1933 Act shall  have  become
effective, (i) the net worth of the trust shall be reduced to  less  than
20% of the principal amount of Securities originally deposited therein or
(ii)  the  Trust  shall have been terminated; (b) you  may  instruct  the
Trustee on the Date of Deposit that, in the event that redemption by  any
Underwriters of Units constituting part of any unsold allotment of  Units
shall  result  in the Trust having a net worth of less than  40%  of  the
principal amount of Securities originally deposited therein, the  Trustee
shall  terminate the Trust in the manner provided in the Trust  Indenture
and   Agreement  (as  defined  in  the  Prospectus)  and  distribute  the
Securities  and other assets of the Trust pursuant to the  provisions  of
the  Trust  Indenture and Agreement; and (c) in the event that the  Trust
shall  have  been  terminated pursuant to (b) above, we will  refund  any
sales  charges to any purchaser of such Units who purchased from  us,  or
purchased  from a dealer participating in the distribution of such  Units
who purchased such Units from us.  We authorize you to charge our account
for all refunds of sales charges in respect to our Units.

      9.   Substitution of Underwriters.  We authorize you to arrange for
the  substitution hereunder of other persons, who may include you and us,
for  all  or  any part of the commitment of any nondefaulting Underwriter
with  the  consent of such Underwriter, and of any defaulting Underwriter
without  the consent thereof, upon such terms and conditions as  you  may
deem  advisable, provided that the number of Units to be purchased by  us
shall  not  be  increased without our consent and that such  substitution
shall  not  in any way affect the liability of any defaulting Underwriter
to  the other Underwriters for damages from such default, nor relieve any
other  Underwriter of any obligation under this Agreement.  The  expenses
chargeable to the account of any defaulting Underwriter and not paid  for
by  it or by a person substituted for such Underwriter and any additional
losses  or expenses arising from such default shall be considered  to  be
expenses  under this Agreement and shall be charged against the  accounts
of  the  nondefaulting  Underwriters in proportion  to  their  respective
commitments.

     10.    Termination.  This Agreement shall terminate with respect  to
each  Trust which we have agreed to underwrite 30 days after the date  on
which  the  public  offering  of the Units  of  such  Trust  is  made  in
accordance  with  Section  5  hereof unless  sooner  terminated  by  you,
provided  that  you may extend this Agreement for not  more  than  eleven
successive  periods of 30 days each upon notice to us  and  each  of  the
other Underwriters.
     
     Notwithstanding any settlement on the termination of this Agreement,
we  agree to pay our share of any amount payable on account of any claim,
demand  or  liability which may be asserted against the Underwriters,  or
any  of  them,  based  on the claim that the Underwriters  constitute  an
association,  unincorporated business or other separate  entity  and  our
share  of  any  expenses incurred by you in defending  against  any  such
claim,  demand or liability.  We also agree to pay any stamp taxes  which
may  be  assessed and paid after such settlement on account of any  Units
received or sold hereunder for our account.
     
     Notwithstanding any termination of this Agreement, no sales  of  the
Units  shall  be  made  by us at any time except in conformity  with  the
provisions of Section 22(d) of the 1940 Act.

     11.   Default by Other Underwriters.  Default by any one or more  of
the other Underwriters in respect of their several obligations under this
Agreement  shall  neither release you nor us from any of  our  respective
obligations hereunder.

     12.    Notices.  Notices hereunder shall by deemed to have been duly
given  if mailed or telegraphed to us at our address set forth below,  in
the  case  of notices to us, or to you at your address set forth  at  the
head of this Agreement, in the case of notices to you.

    13.   Net Capital.  You represent that you, and we represent that we,
are   in  compliance  with  the  capital  requirements  of  Rule  15c-3-1
promulgated  by the Commission under the Securities and Exchange  Act  of
1934,  and we may, in accordance with and pursuant to such Rule  15c-3-1,
agree  to  purchase the amount of Units to be purchased by  you  and  us,
respectively, under the Agreement.

     14.    Miscellaneous.   We confirm that we  are  a  member  in  good
standing of the National Association of Securities Dealers, Inc.
     
     We  confirm  that  we  will take reasonable  steps  to  provide  the
Preliminary  Prospectus or final Prospectus to any person making  written
request  therefor  to us and to make the Preliminary  Prospectus  or  the
final Prospectus available to each person associated with us expected  to
solicit   customers'  orders  for  the  Units  prior  to  the   effective
registration date and the final Prospectus if he is expected to offer the
Units  after the effective date.  We understand that you will  supply  us
upon  our  request with sufficient copies of such prospectuses to  comply
with the foregoing.
     
     This  Agreement  is  being executed by us and delivered  to  you  in
duplicate.  Upon your confirmation hereof and of agreements in  identical
form with each of the other Underwriters, this Agreement shall constitute
a valid and binding contract between us.
                                    
                                    Very truly yours,
                                    
                                    
                                    
                                    

Confirmed as of the date set forth    Indicated below our firm
at the head of this Agreement         name and address exactly as we 
                                      wish to appear in the Prospectus

Van Kampen Merritt, Inc.

By____________________________       __________________________________

Title__________________________      __________________________________

                                     __________________________________
                                    

                                                   Exhibit 3.1
                                    
                           Chapman and Cutler
                         111 West Monroe Street
                        Chicago, Illinois  60603
                                    
                             October 4, 1994
                                    
Van Kampen Merritt Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois  60181
     
     
     Re:Insured Municipals Income Trust, 166th Insured Multi-Series

Gentlemen:
     
     We  have  served as counsel for Van Kampen Merritt Inc., as  Sponsor
and  Depositor  of Insured Municipals Income Trust, 166th Insured  Multi-
Series  (hereinafter referred to as the "Fund"), in connection  with  the
preparation, execution and delivery of a Trust Agreement dated October 4,
1994  between  Van Kampen Merritt Inc., as Depositor, American  Portfolio
Evaluation Services, a division of Van Kampen Merritt Investment Advisory
Corp.,  as  Evaluator, and The Bank of New York, as Trustee, pursuant  to
which  the Depositor has delivered to and deposited Bonds listed  in  the
Schedules to the Trust Agreement with the Trustee and pursuant  to  which
the  Trustee has issued to or on the order of the Depositor a certificate
or  certificates representing Units of fractional undivided  interest  in
and ownership of the several Trusts of said Fund (hereinafter referred to
as the "Units") created under said Trust Agreement.
     
     In connection therewith, we have examined such pertinent records and
documents  and  matters of law as we have deemed necessary  in  order  to
enable us to express the opinions hereinafter set forth.
     
     Based upon the foregoing, we are of the opinion that:
     
           1.   The execution and delivery of the Trust Agreement and the
     execution and issuance of certificates evidencing the Units  in  the
     several Trusts of the Fund have been duly authorized; and
     
           2.    The  certificates evidencing the Units  in  the  several
     Trusts of the Fund when duly executed and delivered by the Depositor
     and   the  Trustee  in  accordance  with  the  aforementioned  Trust
     Agreement,  will  constitute valid and binding obligations  of  such
     Trusts and the Depositor in accordance with the terms thereof.
     
     We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement (File No. 33-55411) relating to the Units referred
to  above and to the use of our name and to the reference to our firm  in
said Registration Statement and in the related Prospectus.

                                    Respectfully submitted,
                                    
                                    Chapman and Cutler

MJK/ch

                                                   Exhibit 3.2 

                           Chapman and Cutler
                         111 West Monroe Street
                        Chicago, Illinois  60603
                                    
                             October 4, 1994
                                    
Van Kampen Merritt Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois  60181

The Bank of New York
101 Barclay Street
New York, New York 10286
     
     Re:Insured Municipals Income Trust, 166th Insured Multi-Series

Gentlemen:
     
     We  have acted as counsel for Van Kampen Merritt Inc., Depositor  of
Insured Municipals Income Trust, 166th Insured Multi-Series (the "Fund"),
in connection with the issuance of Units of fractional undivided interest
in  the several Trusts of said Fund under a Trust Agreement dated October
4,  1994 (the "Indenture") between Van Kampen Merritt Inc., as Depositor,
American Portfolio Evaluation Services, a division of Van Kampen  Merritt
Investment  Advisory Corp., as Evaluator, and The Bank of  New  York,  as
Trustee.    In   this  connection,  we  have  examined  the  Registration
Statement,  the  form  of  Prospectus  proposed  to  be  filed  with  the
Securities  and  Exchange  Commission,  the  Indenture  and  such   other
instruments  and documents as we have deemed pertinent.  Based  upon  the
foregoing and upon an investigation of such matters of law as we consider
to  be  applicable,  we are of the opinion that, under  existing  Federal
income tax law:
     
          (i)   Each Trust is not an association taxable as a corporation
     but will be governed by the provisions of subchapter J (relating  to
     trusts) of chapter 1, Internal Revenue Code of 1986 (the "Code").
     
         (ii)    Each Unitholder will be considered as owning a pro  rata
     share  of each asset of the respective Trust in the proportion  that
     the  number  of Units of such Trust held by him bears to  the  total
     number  of  Units  outstanding  of such  Trust.   Under  subpart  E,
     subchapter J of chapter 1 of the Code, income of each Trust will  be
     treated as income of each Unitholder of the respective Trust in  the
     proportion described, and an item of Trust income will have the same
     character in the hands of a Unitholder as it would have in the hands
     of  the  Trustee.  Accordingly, to the extent that the income  of  a
     Trust  consists  of  interest excludable  from  gross  income  under
     Section 103 of the
     
     Code,  such income will be excludable from Federal gross  income  of
     the  Unitholders,  except  in the case of  a  Unitholder  who  is  a
     substantial  user (or a person related to such user) of  a  facility
     financed  through  issuance of any industrial development  bonds  or
     certain private activity bonds held by the respective Trust.  In the
     case  of  such  Unitholder  (and no other)  interest  received  with
     respect  to  his  Units attributable to such industrial  development
     bonds  or  such private activity bonds is includable  in  his  gross
     income.  In the case of certain corporations, interest on the  Bonds
     is  included  in computing the alternative minimum tax  pursuant  to
     Section  56(c)  of the Code, the environmental tax  (the  "Superfund
     Tax") imposed by Section 59A of the Code, and the branch profits tax
     imposed by Section 884 of the Code with respect to U.S. branches  of
     foreign corporations.
     
        (iii)    Gain  or  loss will be recognized to a  Unitholder  upon
     redemption  or sale of his Units.  Such gain or loss is measured  by
     comparing the proceeds of such redemption or sale with the  adjusted
     basis   of  the  Units  represented  by  his  Certificate.    Before
     adjustment, such basis would normally be cost if the Unitholder  had
     acquired  his Units by purchase, plus his aliquot share of  advances
     by the Trustee to the Trust to pay interest on Bonds delivered after
     the  Unitholder's settlement date to the extent that  such  interest
     accrued  on  the  Bonds  during  the period  from  the  Unitholder's
     settlement  date  to  the  date such  Bonds  are  delivered  to  the
     respective Trust, but only to the extent that such advances  are  to
     be repaid to the Trustee out of interest received by such Trust with
     respect to such Bonds.  In addition, such basis will be increased by
     the  Unitholder's  aliquot  share  of  the  accrued  original  issue
     discount with respect to each Bond held by the Fund with respect  to
     which there was an original issue discount at the time the Bond  was
     issued  and  reduced by the annual amortization of bond premium,  if
     any, on Bonds held by the Trust.
     
        (iv)   If the Trustee disposes of a Trust asset (whether by sale,
     payment  on  maturity,  redemption or otherwise)  gain  or  loss  is
     recognized  to the Unitholder and the amount thereof is measured  by
     comparing the Unitholder's aliquot share of the total proceeds  from
     the  transaction with his basis for his fractional interest  in  the
     asset  disposed  of.  Such basis is ascertained by apportioning  the
     tax  basis for his Units among each of the Trust assets (as  of  the
     date  on  which his Units were acquired) ratably according to  their
     values  as  of  the  valuation date nearest the  date  on  which  he
     purchased such Units.  A Unitholder's basis in his Units and of  his
     fractional  interest  in each Trust asset must  be  reduced  by  the
     amount  of  his aliquot share of interest received by the Trust,  if
     any,  on  Bonds delivered after the Unitholder's settlement date  to
     the extent that such interest accrued on the Bonds during the period
     from  the  Unitholder's settlement date to the date such  Bonds  are
     delivered  to  the Trust, must be reduced by the annual amortization
     of  bond  premium, if any, on Bonds held by the Trust  and  must  be
     increased  by  the Unitholder's share of the accrued original  issue
     discount  with respect to each Bond which, at the time the Bond  was
     issued, had original issue discount.
     
          (v)    In  the  case of any Bond held by the  Trust  where  the
     "stated  redemption  price at maturity" exceeds the  "issue  price",
     such  excess shall be original issue discount.  With respect to each
     Unitholder,  upon  the  purchase of  his  Units  subsequent  to  the
     original issuance of Bonds held by the Trust, Section 1272(a)(7)  of
     the Code provides for a reduction in the accrued "daily portion"  of
     such  original issue discount upon the purchase of a Bond subsequent
     to  the Bond's original issue, under certain circumstances.  In  the
     case  of  any  Bond  held  by the Trust the  interest  on  which  is
     excludable  from  gross income under Section 103 of  the  Code,  any
     original issue discount which accrues with respect thereto  will  be
     treated  as  interest which is excludable from  gross  income  under
     Section 103 of the Code.
     
         (vi)   We have examined the Municipal Bond Unit Investment Trust
     Insurance Policies, if any, issued to certain of the Trusts  on  the
     Date  of  Deposit by AMBAC Indemnity Corporation, Financial Guaranty
     Insurance  Corporation or a combination thereof.  Each such  policy,
     or  a  combination of such policies, insures all bonds held  by  the
     Trustee  for  that particular Trust (other than bonds  described  in
     paragraph  (vii)) against default in the prompt payment of principal
     and  interest.   In  our opinion, any amount paid  under  each  said
     policy, or a combination of said policies, which represents maturing
     interest  on  defaulted  obligations held by  the  Trustee  will  be
     excludable from Federal gross income if, and to the same extent  as,
     such  interest would have been so excludable if paid by  the  issuer
     provided that, at the time such policies are purchased, the  amounts
     paid for such policies are reasonable, customary and consistent with
     the reasonable expectation that the issuer of the bonds, rather than
     the insurer, will pay debt service on the bonds.  Paragraph (ii)  of
     this   opinion  is  accordingly  applicable  to  insurance  proceeds
     representing maturing interest.
     
        (vii)    Certain bonds in the portfolios of certain of the Trusts
     have  been  insured by the issuers thereof against  default  in  the
     prompt  payment  of  principal  and interest.   Insurance  has  been
     obtained for such bonds, or, in the case of a commitment, the  bonds
     will  be  ultimately insured under the terms of  such  an  insurance
     policy,  which  are  designated  as  issuer  insured  bonds  on  the
     portfolio pages of the respective Trusts in the Prospectus  for  the
     Fund, by the issuer of such bonds.  Insurance obtained by the issuer
     is  effective so long as such bonds remain outstanding.  For each of
     these  bonds,  we  have  been advised that the  aggregate  principal
     amount of such bonds listed on the portfolio page for the respective
     Trust  was  acquired by the applicable Trust and  are  part  of  the
     series of such bonds listed on the portfolio page for the respective
     Trust in the aggregate principal amount listed on the portfolio page
     for  the respective Trust.  Based upon the assumption that the bonds
     acquired  by the applicable Trust are part of the series covered  by
     an  insurance  policy  or,  in the case of  a  commitment,  will  be
     ultimately  insured under the terms of such an insurance policy,  it
     is  our  opinion  that any amounts received by the applicable  Trust
     representing maturing interest on such bonds will be excludable from
     Federal  gross  income if, and to the same extent as, such  interest
     would have been so excludable if paid in normal course by the Issuer
     provided that, at the time such policies are purchased, the  amounts
     paid for such policies are reasonable, customary and consistent with
     the reasonable expectation that the issuer of the bonds, rather than
     the insurer, will pay debt service on the bonds.  Paragraph (ii)  of
     this opinion is accordingly applicable to such payment.
     
     Sections  1288 and 1272 of the Code provide a complex set  of  rules
governing  the  accrual of original issue discount.  These rules  provide
that  original issue discount accrues either on the basis of  a  constant
compound interest rate or ratably over the term of the Bond, depending on
the  date the Bond was issued.  In addition, special rules apply  if  the
purchase price of a Bond exceeds the original issue price plus the amount
of   original  issue  discount  which  accrued  to  prior  owners.    The
application of these rules will also vary depending on the value  of  the
bond  on  the  date a Unitholder acquires his Units, and  the  price  the
Unitholder pays for his Units.
     
     Because  the  Trusts  do  not include any "private  activity"  bonds
within  the  meaning  of  Section 141 of the  Code  issued  on  or  after
August 8, 1986, none of the Trust Fund's interest income shall be treated
as  an item of tax preference when computing the alternative minimum tax.
In   the  case  of  corporations,  for  taxable  years  beginning   after
December  31,  1986, the alternative minimum tax and  the  Superfund  Tax
depend upon the corporation's taxable income with certain adjustments.
     
     Pursuant  to Section 56(c) of the Code, one of the adjustment  items
used in computing AMTI and the Superfund Tax of a corporation (other than
an  S  Corporation, Regulated Investment Company, Real Estate  Investment
Trust  or  REMIC) for taxable years beginning after 1989,  is  an  amount
equal  to  75%  of  the  excess of such corporation's  "adjusted  current
earnings"  over an amount equal to its AMTI (before such adjustment  item
and the alternative tax net operating loss deduction).  "Adjusted current
earnings"  includes all tax-exempt interest, including  interest  on  all
Bonds in the Trust, and tax-exempt original issue discount.
     
     Effective  for  tax  returns  filed after  December  31,  1987,  all
taxpayers  are required to disclose to the Internal Revenue  Service  the
amount of tax-exempt interest earned during the year.
     
     Section  265  of the Code provides for a reduction in  each  taxable
year  of 100 percent of the otherwise deductible interest on indebtedness
incurred  or  continued  by  financial  institutions,  to  which   either
Section  585  or  Section 593 of the Code applies, to purchase  or  carry
obligations  acquired  after August 7, 1986, the  interest  on  which  is
exempt  from  Federal income taxes for such taxable  year.   Under  rules
prescribed by Section 265, the amount of interest otherwise deductible by
such  financial institutions in any taxable year which is  deemed  to  be
attributable  to  tax-exempt obligations acquired after August  7,  1986,
will  be  the amount that bears the same ratio to the interest  deduction
otherwise  allowable (determined without regard to Section  265)  to  the
taxpayer  for  the taxable year as the taxpayer's average adjusted  basis
(within  the meaning of Section 1016) of tax-exempt obligations  acquired
after August 7, 1986, bears to such average adjusted basis for all assets
of   the  taxpayer,  unless  such  financial  institution  can  otherwise
establish,  under regulations, to be prescribed by the Secretary  of  the
Treasury, the amount of interest on indebtedness incurred or continued to
purchase or carry such obligations.
     
     We  also call attention to the fact that, under Section 265  of  the
Code, interest on indebtedness incurred or continued to purchase or carry
Units  is  not deductible for Federal income tax purposes.   Under  rules
used  by the Internal Revenue Service for determining when borrowed funds
are  considered used for the purpose of purchasing or carrying particular
assets,  the purchase of Units may be considered to have been  made  with
borrowed  funds even though the borrowed funds are not directly traceable
to the purchase of Units.  However, these rules generally do not apply to
interest  paid  on indebtedness incurred for expenditures of  a  personal
nature  such  as  a mortgage incurred to purchase or improve  a  personal
residence.
     
     "The  Revenue  Reconciliation Act of 1993" (the "Tax Act")  subjects
tax-exempt  bonds to the market discount rules of the code effective  for
bonds purchased after April 30, 1993.  In general, market discount is the
amount  (if any) by which the stated redemption price at maturity exceeds
an  investor's purchase price (except to the extent that such difference,
if  any,  is  attributable to original issue discount not  yet  accrued).
Market  discount can arise based on the price a Trust pays for  Bonds  or
the  price  a Unitholder pays for his or her Units.  Under the  Tax  Act,
accretion  of market discount is taxable as ordinary income; under  prior
law,  the  accretion had been treated as capital gain.   Market  discount
that  accretes while a Trust holds a Bond would be recognized as ordinary
income  by  the Unitholders when principal payments are received  on  the
Bond,  upon sale or at redemption (including early redemption),  or  upon
the sale of redemption of his or her Units, unless a Unitholder elects to
include market discount in taxable income as it accrues.
                                    
                                    Very truly yours,
                                    
                                    Chapman and Cutler
MJK/ch

                                                       Exhibit 3.3

                             Tanner Propp & Farber
                                99 Park Avenue
                              New York, NY  10016
     
                                October 4, 1994
                                       
Insured Municipals Income Trust
  166th Insured Multi-Series
The Bank of New York,
  As Trustee
101 Barclay Street, 17 West
New York, New York 10286

Dear Sirs:
     
     We have acted as special counsel for the Insured Municipals Income Trust,
166th  Insured  Multi-Series  (the "Fund") consisting  of  Insured  Municipals
Income   Trust,  Series  334,  California  Insured  Municipals  Income   Trust
Intermediate  Laddered Maturity Series 14 and Ohio Insured  Municipals  Income
Trust  Intermediate Laddered Maturity Series 6, (individually the "Trust"  and
in   the  aggregate  the  "Trusts")  for  the  purposes  of  determining   the
applicability  of  certain New York taxes under the circumstances  hereinafter
described.
     
     The  Fund  is  created pursuant to a Trust Agreement  (the  "Indenture"),
dated  as of today (the "Date of Deposit") among Van Kampen Merritt Inc.  (the
"Depositor"), American Portfolio Evaluation Services, a division of Van Kampen
Merritt  Investment Advisory Corp., as Evaluator, and The Bank of New York  as
Trustee (the "Trustee").  As described in the prospectus relating to the  Fund
dated today to be filed as an amendment to a registration statement previously
filed with the Securities and Exchange Commission (file number 33-55411) under
the Securities Act of 1933, as amended (the "Prospectus" and the "Registration
Statement"),  the objectives of the Fund are the generation of  income  exempt
from  Federal taxation and as regards each of the "State" Trusts  exempt  from
income  tax and personal property tax of the State denominated in the name  of
that  "State"  Trust, if any, to the extent indicated in the  Prospectus.   No
opinion is expressed herein with regard to the Federal or State tax aspects of
the bonds, the Fund, Trusts (other than New York),
units  of the Trusts (the "Units") other than New York, or any interest, gains
or losses in respect thereof.
     
     As  more  fully  set  forth in the Indenture and in the  Prospectus,  the
activities of the Trustee will include the following:
     
     On  the Date of Deposit, the Depositor will deposit with the Trustee with
respect  to each of the Trusts, the total principal amount of interest bearing
obligations  and/or  contracts  for  the purchase  thereof  together  with  an
irrevocable letter of credit in the amount required for the purchase price and
accrued  interest, if any, and an insurance policy purchased by the  Depositor
evidencing  the  insurance guaranteeing the timely payment  of  principal  and
interest of tile obligations comprising the corpus of such trusts oilier  than
those  obligations the timely payment of principal and interest of  which  are
guaranteed by an insurance policy purchased by the issuer thereof or  a  prior
owner, which may be the Depositor prior to the Date of Deposit, as more  fully
set forth in the Prospectus with respect to each Trust.
     
     We  understand with respect to the obligations described in the preceding
paragraph  that  all  insurance, whether purchased by the Depositor,  a  prior
owner  or the issuer, provides, or will provide, that the amount paid  by  the
insurer  in  respect of any bond may not exceed the amount  of  principal  and
interest due on the bond and such payment will in no event relieve the  issuer
from its continuing obligation to pay such defaulted principal and interest in
accordance with the terms of the obligation.
     
     The  Trustee will not participate in the selection of the obligations  to
be  deposited in the Fund, and, upon the receipt thereof, will deliver to  the
Depositor  a  registered certificate for the number of Units representing  the
entire capital of each of the Trusts as more fully set forth in the Prospectus
and  the  Registration  Statement.   The  Units,  which  are  represented   by
certificates ("Certificates"), will be offered to the public by the Prospectus
upon the effectiveness of the Registration Statement.
     
     The  duties of the Trustee, which are ministerial in nature, will consist
primarily of crediting the appropriate accounts with interest received by each
of  the Trusts and with the proceeds from the disposition of obligations  held
in  the Trusts and the distribution of such interest and proceeds to the  Unit
holders  of  that  Trust.   The  Trustee will also  maintain  records  of  the
registered holders of Certificates representing an interest in each Trust  and
administer the redemption of Units by such Certificate holders and may perform
certain  administrative  functions with respect  to  an  automatic  investment
option.
     
     Generally, obligations held in the Fund may be removed therefrom  by  the
Trustee  only upon redemption prior to their stated maturity, at the direction
of  the  Depositor in the event of an advance refunding or upon the occurrence
of  certain other specified events which adversely affect the sound investment
character of the Fund, such as default by the issuer in payment of interest or
principal  on  the  obligation and no provision for payment is  made  therefor
either  pursuant to insurance or otherwise and the Depositor fails to instruct
the  Trustee,  within  thirty  (30)  days after  notification,  to  hold  such
obligation.
     
     Prior  to the termination of the Fund, the Trustee is empowered  to  sell
Bonds,  from  a  list  furnished by the Evaluator, only  for  the  purpose  of
redeeming Units tendered to it and of paying expenses for which funds are  not
available.  The Trustee does not have the power to vary the investment of  any
Unit  holder in the Fund, and under no circumstances may the proceeds of  sale
of  any obligations held by the Fund be used to purchase new obligations to be
held therein.
     
     Article  9-A of the New York Tax Law imposes a franchise tax on  business
corporations,  and, for purposes of that Article, Section 208(l)  defines  the
term "corporation" to include, among other things, "any business conducted  by
a   trustee  or  trustees  wherein  interest  or  ownership  is  evidenced  by
certificate or other written instrument."
     
     The Regulations promulgated under Section 208 provide as follows:
          
          A  business  conducted by a trustee or trustees  in  which
          interest or ownership is evidenced by certificate or other
          written  instrument includes, but is not  limited  to,  an
          association commonly referred to as a "business trust"  or
          "Massachusetts trust".  In determining whether  a  trustee
          or  trustees  are conducting a business, the form  of  the
          agreement is of significance but is not controlling.   The
          actual  activities of the trustee or trustees,  not  their
          purposes and powers, will be regarded as decisive  factors
          in  determining whether a trust is subject  to  tax  under
          Article  9-A.   The  mere  investment  of  funds  and  the
          collection    of   income   therefrom,   with   incidental
          replacement of securities and reinvestment of funds,  does
          not constitute the conduct of a business in the case of  a
          business  conducted by a trustee or trustees. 20 NYCRR  1-
          2.3(b)(2) (July 11, 1990).
     
     New  York  cases  dealing with the question of whether a  trust  will  be
subject to the franchise tax have also delineated the general rule that  where
a  trustee  merely  invests  funds and collects  and  distributes  the  income
therefrom,  the  trust is not engaged in business and is not  subject  to  the
franchise  tax.   Burrell v. Lynch, 274 A.D. 347, 84 N.Y.S.2d 171  (3rd  Dept.
1948), order resettled, 274 A.D. 1083, 85 N.Y.S.2d 705 (3rd Dept. 1949).
     
     In  an opinion of the Attorney General of the State of New York, 47  N.Y.
Atty. Gen. Rep. 213 (Nov. 24, 1942), it was held that where the trustee of  an
unincorporated  investment  trust was without authority  to  reinvest  amounts
received  upon the sales of securities and could dispose of securities  making
up  the  trust  only  upon the happening of certain specified  events  or  the
existence  of certain specified conditions, the trust was not subject  to  the
franchise tax.
     
     In   the  instant  situation,  the  Trustee  is  not  empowered  to  sell
obligations  contained  in the corpus of the Fund and  reinvest  the  proceeds
therefrom.   Further,  the  power  to sell  such  obligations  is  limited  to
circumstances in which the creditworthiness or soundness of the obligation  is
in question or in which cash is needed to pay redeeming Unit holders or to pay
expenses, or where the Fund is liquidated pursuant to the termination  of  the
Indenture.   Only  in  circumstances in which  the  issuer  of  an  obligation
attempts  to  refinance it can the Trustee exchange an obligation  for  a  new
security.  In substance, the Trustee will merely collect and distribute income
and will not reinvest any income or proceeds, and the Trustee has no power  to
vary the investment of any Unit holder in the Fund.
     
     Under  Subpart  E  of Part 1, Subchapter J of Chapter I of  the  Internal
Revenue Code of 1986, as amended (the "Code"), the grantor of a trust will  be
deemed  to be the owner of the trust under certain circumstances and therefore
taxable  on  his  proportionate interest in the income  thereof.   Where  this
Federal  tax rule applies, the income attributed to the grantor will  also  be
income  to him for New York income tax purposes.  See TSB-M78(9)(c), New  York
Department of Taxation and Finance, June 23, 1978.
     
     Article 22 (Personal Income Tax) of the New York Tax Law imposes a tax on
a  New  York  State resident individual's State adjusted gross  income.   Such
amount is defined by Section 612 as his Federal adjusted gross income, with an
addition  for  interest  income on the obligations of  a  State  or  political
subdivision  of  a  state other than New York, if excluded  from  his  federal
adjusted  gross  income.   Such amount is defined by  Section  T46112  of  the
Administrative  Code  of  the City of New York as Ins Federal  adjusted  gross
income, with an addition for interest income on the obligations of a state  or
political  subdivision of a state other than New York, if  excluded  from  his
federal  adjusted gross income. 48 U.S.C.  Section 745 exempts interest  on  a
bond  issued  by  the  Government of Puerto Rico or  a  political  subdivision
thereof  from  tax  of the United States, of any State,  and  of  any  state's
county,  municipality,  or municipal subdivision thereof.  48  U.S.C.  Section
1423a  exempts interest on a bond issued by the Government of Guam or  by  its
authority  from  taxation  by  the  United  States,  any  state  or  political
subdivision.   The New York Trust holds only obligations issued  by  New  York
State  or a political subdivision thereof or by the Government of Puerto  Rico
or  a  political subdivision thereof, or by the Government of Guam or  by  its
authority.
     
     By  letter,  dated  today, Messrs. Chapman and Cutler,  counsel  for  the
Depositor,  rendered their opinion that each Unit holder of a  Trust  will  be
considered  as  owning a share of each asset of that Trust in  the  proportion
that  the  number  of Units held by such holder bears to the total  number  of
Units  outstanding and the income of a Trust will be treated as the income  of
each  Unit  holder of that Trust in said proportion pursuant to Subpart  E  of
Part 1, Subchapter J of Chapter I of the Code.
     
     Based  on the foregoing and of the opinion of Messrs. Chapman and Cutler,
co-counsel for the Depositor, dated today, upon which we specifically rely, we
are  of  the  opinion that under existing laws, rulings, and  court  decisions
interpreting the laws of the State and City of New York:

      1.   Each of the Trusts will not constitute an association taxable as  a
corporation under New York law, and, accordingly, will not be subject  to  tax
on  its  income  under the New York State franchise tax or the New  York  City
general corporation tax.

      2.    The income of each of the Trusts will be treated as the income  of
the Unit holders under the income tax laws of the State and City of New York.

      3.   Resident individuals of New York State and City will not be subject
to  the  State  or  City  personal income taxes on interest  income  on  their
proportionate shares of interest income earned by a Trust on any obligation of
New  York  State  or a political subdivision thereof or of the  Government  of
Puerto Rico or a political subdivision thereof or of the Government of Guam or
by  its authority, to the extent such income is excludable from Federal  gross
income under Code Section 103.

      4.    Any  amounts  paid under the insurance policies purchased  by  the
Depositor  and  deposited  with the Trustee, as more  fully  described  above,
representing  maturing interest on defaulted obligations held by  the  Trustee
will not be subject to New York State or City income taxes if, and to the same
extent as, such amounts would have been excludable from New York State or City
income  taxes  if  paid  by  the  issuer.  Paragraph  3  of  this  opinion  is
accordingly applicable to such policy proceeds representing maturing interest.

      5.    Any amounts paid under an insurance policy purchased by the issuer
of an obligation or a prior owner, as more fully described above, representing
maturing  interest on such defaulting obligation held by the Trustee will  not
be  subject to New York State or City income taxes if, and to the same  extent
as, such amounts would have been excludable from New York State or City income
taxes  if  paid  by  the issuer.  Paragraph 3 of this opinion  is  accordingly
applicable to such policy proceeds representing maturing interest.

      6.   Resident individuals of New York State and City who hold Units will
recognize  gain or loss, if any, under the State or City personal  income  tax
law  if the Trustee disposes of a Fund asset.  The amount of such gain or loss
is measured by comparing the Unit holder's aliquot share of the total proceeds
from  the transaction with his basis for his fractional interest in the  asset
disposed of.  Such basis is ascertained by apportioning the tax basis for  his
Units among each of the Trust's assets (as of the date on which is Units  were
acquired)  ratably according to their values as of the valuation date  nearest
the date on which he purchased such Units.  A Unit holder's basis in his Units
and  of  his fractional interest in the Trust's assets must be reduced by  the
amount  of  his aliquot share of interest received by the Trust,  if  any,  on
bonds  delivered  after the settlement date to the extent that  such  interest
accrued on the Bonds during the period from the Unit holder's settlement  date
to  the  date such Bonds are delivered to that Trust and must be adjusted  for
amortization of bond premium or accretion of original issue discount, if  any,
on tax-exempt obligations held by the Trust.

      7.   Resident individuals of New York State and City who hold Units will
recognize  gain or loss, if any, under the State or City personal  income  tax
law  if  the  Unit holder sells or redeems any Units.  Such gain  or  loss  is
increased  by  comparing  the proceeds of such redemption  or  sale  with  the
adjusted  basis of the Units redeemed or sold.  Before adjustment, such  basis
would  normally be cost if the Unit holder had acquired his Units by purchase,
plus  his aliquot share of advances by the Trustee to the Fund to pay interest
on  Bonds delivered after the Unit holder's settlement date to the extent that
such  interest accrued on the Bonds during the period from the settlement date
to  the date such Bonds are delivered to the Fund, but only to the extent that
such advances are to be repaid to the Trustee out of interest received by  the
Fund with respect to such Bonds.

     8.   Unit holders who are not residents of New York State are not subject
to  the  personal income tax law thereof with respect to any interest or  gain
derived  from  a Trust or any gain from the sale or other disposition  of  the
Units,  except  to  the  extent that such interest or gain  is  from  property
employed in a business, trade, profession or occupation carried on in New York
state.
     
     In  addition, we are of the opinion that no New York State stock transfer
tax  will be payable in respect of any transfer of the Certificates by  reason
of the exemption contained in paragraph (a) of Subdivision 8 of Section 270 of
the New York Tax Law.
     
     We  hereby  consent to the filing of this opinion as an  exhibit  to  the
Registration  Statement relating to the Units and to the use of our  name  and
the reference to our firm in the Registration Statement and in the Prospectus.
                                    
                                    Very truly yours,
                                    
                                    
                                    Tanner Propp & Farber


MNS:ac


                                                       Exhibit 3.4

                     Orrick, Herrington & Sutcliffe
                    Old Federal Reserve Bank Building
                           400 Sansome Street
                    San Francisco, California  94111
                                    
                             October 4, 1994
                                    
The Bank of New York
  through its Wall Street Trust Division
101 Barclay Street
New York, New York 10286
     
     Re:       California Insured Municipals Income Trust
          Fourteenth Intermediate (Lasddered Maturity Series)
                                    
Dear Sirs:
     
     We  have  acted as special California counsel for Van Kampen Merritt
Inc.,  as  Sponsor and Depositor of California Insured Municipals  Income
TrustFourteenth Intermediate (Laddered Maturity Series) (the "Fund"),  in
connection  with  the  issuance under the Trust Indenture  and  Agreement
dated  October  4, 1994, among Van Kampen Merritt Inc.,  as  Sponsor  and
Depositor,  American Portfolio Evaluation Services,  a  division  of  Van
Kampen  Merritt Investment Advisory Corp., as Evaluator, and The Bank  of
New  York through its  Wall Street Trust division, as Trustee, of   3,000
Units  of  fractional  undivided interest in the Fund  (the  "Units")  in
exchange  for  certain bonds, as well as "regular-way" and  "when-issued"
contracts  for  the  purchase  of bonds (such  bonds  and  contracts  are
hereinafter referred to collectively as the "Securities").
     
     In  connection  therewith, we have examined such corporate  records,
certificates  and other documents and such questions of law  as  we  have
deemed necessary or appropriate for the purpose of this opinion, and,  on
the  basis  of  such  examination, and upon existing  provisions  of  the
Revenue  and  Taxation Code of the State of California,  we  are  of  the
opinion that:
     
           1.    The  Fund is not an association taxable as a corporation
     and  the  income of the Fund will be treated as the  income  of  the
     certificateholders under the income tax laws of California.
     
           2.    Amounts treated as interest on the underlying securities
     which  are exempt from tax under California personal income tax  and
     property  tax laws when received by the Fund will, under such  laws,
     retain  their  status  as tax-exempt interest  when  distributed  to
     certificateholders.  However, interest on the underlying  securities
     attributed to a certificateholder which is a corporation subject  to
     the  California franchise tax laws may be includable  in  its  gross
     income for purposes of determining its California franchise tax.
     
          3.   Under California income tax law, each certificateholder in
     the  Fund  will  have a taxable event when the Fund  disposes  of  a
     security  (whether  by  sale, exchange, redemption,  or  payment  at
     maturity)  or  when the certificateholder redeems  or  sells  Units.
     Because of the requirement that tax cost basis be reduced to reflect
     amortization   of   bond   premium,  under  some   circumstances   a
     certificateholder may realize taxable gain when Units  are  sold  or
     redeemed for an amount equal to, or less than, their original  cost.
     The  total tax cost of each Unit to a certificateholder is allocated
     among  each of the bond issues held in the Fund (in accordance  with
     the proportion of the Fund comprised by each bond issue) in order to
     determine  his per unit tax cost for each bond issue;  and  the  tax
     cost reduction requirements relating to amortization of bond premium
     will  apply  separately to the per unit cost  of  each  bond  issue.
     Certificateholders' bases in their Units, and the  bases  for  their
     fractional interest in each Fund asset, may have to be adjusted  for
     their  pro  rata  share  of accrued interest received,  if  any,  on
     securities   delivered  after  the  certificateholders'   respective
     settlement dates.
     
           4.    Under  the California personal property tax laws,  bonds
     (including  the Securities) or any interest therein is  exempt  from
     such tax.
     
          5.   Any proceeds paid under the insurance policy issued to the
     Trustee  of the fund with respect to the Securities which  represent
     maturing interest on defaulted obligations held by the Trustee  will
     be  exempt from California personal income tax if, and to  the  same
     extent  as, such interest would have been so exempt if paid  by  the
     issuer of the defaulted obligations.
     
           6.    Under Section 17280(b)(2) of the California Revenue  and
     Taxation  Code,  interest on indebtedness incurred or  continued  to
     purchase  or  carry  Units of the Trust is not  deductible  for  the
     purposes  of  the  California  personal  income  tax.   While  there
     presently  is  no California authority interpreting this  provision,
     Section  17280(b)(2) directs the California Franchise Tax  Board  to
     prescribe   regulations  determining  the  proper   allocation   and
     apportionment of interest costs for this purpose.  The Franchise Tax
     Board  has  not  yet  proposed or prescribed such  regulations.   In
     interpreting  the generally similar Federal provision, the  Internal
     Revenue  Service has taken the position that such indebtedness  need
     not  be  directly  traceable to the purchase or  carrying  of  Units
     (although  the  Service  has  not contended  that  a  deduction  for
     interest  on indebtedness incurred to purchase or improve a personal
     residence  or to purchase goods or services for personal consumption
     will  be disallowed).  In the absence of conflicting regulations  or
     other  California  authority,  the California  Franchise  Tax  Board
     generally  has  interpreted California statutory tax  provisions  in
     accord  with  Internal  Revenue Service interpretations  of  similar
     Federal provisions.
     
     Opinions relating to the validity of securities and the exemption of
interest thereon from State of California income tax are rendered by bond
counsel to the issuing authority at the time securities are issued and we
have  relied  solely  upon such opinions, or, as to  securities  not  yet
delivered,  forms  of  such  opinions contained  in  official  statements
relating  to  such securities.  Except in certain instances in  which  we
acted as bond counsel to issuers of securities, and as such made a review
of proceedings relating to the issuance of certain securities at the time
of their issuance, we have not made any review of proceedings relating to
the issuance of securities or the bases of bond counsels' opinions.
     
     We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement (SEC No. 33-55411) relating to the Units  referred
to  above and to the use of our name and to the reference to our firm  in
said Registration Statement and in the related Prospectus.

                                    Very truly yours,
                                    
                                    
                                    Orrick, Herrington & Sutcliffe


                                                     Exhibit 3.5

                        Squire, Sanders & Dempsey
                           4900 Society Center
                            127 Public Square
                        Cleveland, OH  44114-1304
                                    
                             October 4, 1994
                                    
Van Kampen Merritt Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois  60181

     
     
     Re:Insured Municipals Income Trust, 166th Insured Multi-Series
                 (Ohio Insured Municipals Income Trust
                Intermediate Laddered Maturity Series 6)
Gentlemen:
     
     You  have  requested our opinion as to the Ohio tax aspects  of  the
Ohio  Insured  Municipals  Income  Trust Intermedaite  Laddered  Maturity
Series  6,  which is part of the IInsured Municipals Income Trust,  166th
Insured  Multi-Series  (the  "Fund").  We understand  that  the  Fund  is
organized under the Trust Indenture and Agreement, dated the date hereof,
between  Van Kampen Merritt Inc., as Depositor, and The Bank of New  York
through   its  Wall  Street  Trust  division,  as  Trustee.   We  further
understand  that  (i)  the Fund will issue Units of fractional  undivided
interests  in  several  state trusts, one of  which  is  the  Ohio  Trust
("Trust"),  (ii)  the  Units  will  be  purchased  by  various  investors
("Certificateholders"),  (iii)  each  Unit  of  the  Trust  represents  a
fractional  undivided interest in the principal and  net  income  of  the
Trust  and  represents  $1,000 of principal  amount  of  the  obligations
initially  acquired  by  the Trust, and (iv) each  state  trust  will  be
administered   as   a   distinct  entity  with   separate   certificates,
investments, expenses, books and records.
     
     In addition, we understand that (i) the Trust is comprised primarily
of  interest-bearing obligations issued by or on behalf of the  State  of
Ohio,  political  subdivisions thereof, or agencies or  instrumentalities
thereof  ("Ohio Obligations"), or by the governments of Puerto Rico,  the
Virgin Islands or Guam ("Territorial Obligations"), (ii) at all times  at
least  fifty percent of the value of the total assets of the  Trust  will
consist  of Ohio Obligations, or similar obligations of other  states  or
their  subdivision,  (iii)  insurance guaranteeing  the  payment  of  all
principal  and inter on the Ohio Obligations and Territorial  Obligations
held  by the Trust has been obtained by either the Sponsor or the  Issuer
or  underwriter of the respective obligations, and (iv) distributions  of
interest  received  by  the  Trust  will  be  mademonthly.   We   further
understand  that, based on the opinion of bond counsel  with  respect  to
each issue, of Ohio Obligations held or to be held by the Trust, rendered
on  the date of issuance thereof, interest on each such issue is excluded
from gross income for federal income tax purposes under Section 103(a) of
the  Internal  Revenue Code of 1986, as amended (the  "Code"),  or  other
provisions  of  federal law, provided that with respect to  certain  Ohio
Obligations  and  Territorial  Obligations, certain  representations  are
accurate and covenants are satisfied.
     
     We  understand that Chapman and Cutler has rendered an opinion  that
for  federal  income tax purposes the Trust will not  be  taxable  as  an
association  but  will  be  governed by the provisions  of  subchapter  J
(relating  to  trusts)  of Chapter 1 of the Code; each  Certificateholder
will  be  considered the owner of a pro rata portion of the  Trust  under
Section  676(a)  of  the Code; the Trust itself will not  be  subject  to
federal  income  tax; each Certificateholder will be considered  to  have
received  his pro rata share of interest on the underlying bonds  in  the
Trust  when it is received by the Trust; and each Certificateholder  will
have  a taxable event when the Trust disposes of an underlying obligation
(whether by sale, exchange, redemption, or payment at maturity)  or  when
the Certificateholder redeems or sells his Units.
     
     Based  on  the  foregoing  and upon an  examination  of  such  other
documents  and an investigation of such other matters of law as  we  have
deemed necessary, we are of the opinion that under existing Ohio law:
     
          1.   The Trust is not taxable as a corporation or otherwise for
     purposes  of  the  Ohio  personal income tax, Ohio  school  district
     income  taxes,  the  Ohio corporation franchise  tax,  or  the  Ohio
     dealers in intangibles tax.
     
           2.    Income of the Trust will be treated as the income of the
     Certificateholders  for purposes of the Ohio  personal  income  tax,
     Ohio  school district income taxes, Ohio municipal income taxes  and
     the  Ohio  corporation franchise tax in proportion to the respective
     interest therein of each Certificateholder.
     
           3.    Interest on Ohio Obligations and Territorial Obligations
     held  by the Trust is exempt from the Ohio personal income tax, Ohio
     municipal income taxes and Ohio school district income taxes, and is
     excluded  from the net income base of the Ohio corporation franchise
     tax when distributed or deemed distributed to Certificateholders.
     
           4.    Proceeds  paid  to  the Trust under  insurance  policies
     representing maturing interest on defaulted obligations held by  the
     Trust  that  are excluded from gross income for federal  income  tax
     purposes  will be exempt from Ohio personal income tax, Ohio  school
     district income taxes, Ohio municipal income taxes and excluded from
     the net income base of the Ohio corporation franchise tax.
     
           5.    Gains and losses realized on the sale, exchange or other
     disposition by the Ohio Trust(s) of Ohio Obligations are excluded in
     determining  adjusted gross and taxable income for purposes  of  the
     Ohio  personal  income  tax, Ohio municipal income  taxes  and  Ohio
     school  district income taxes, and are excluded from the net  income
     base  of  the  Ohio  corporation franchise tax when  distributed  or
     deemed distributed to Unitholders.
     
     We  have not examined any of the obligations to be deposited in  the
Trust  and  express  no opinion as to whether such obligations,  interest
thereon, or gain from the sale or other disposition thereof would in fact
be  exempt from any federal or Ohio taxes if such obligations were  held,
or   such   interest   or   gain   were   received,   directly   by   the
Certificateholders.
     
     We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement (No. 33-55411) relating to the Units  referred  to
above,  and  to the reference to our firm as special Ohio tax counsel  in
said Registration Statement and in the Prospectus contained therein.

                                    Respectfully submitted,
                                    
                                    Squire, Sanders & Dempsey

                                                 Exhibit 4.1
Interactive Data
14 West Street
New York, NY  10005

October 3, 1994

Van Kampen Merritt, Inc.
One Parkview Plaza
Oakbrook Terrace, IL 60181
     
     Re: Insured Municipals Income Trust, 166th Insured Multi-Series
     (A Unit Investment Trust) Registered Under the Securities Act of
     1933
     File No. 33-55411
     
Gentlemen:
     
     We  have  examined the Registration Statement for the above  captioned
Fund, copy of which is attached hereto.
     
     We  hereby consent to the reference in the Prospectus and Registration
Statement for the above captioned Fund to Interactive Data Services,  Inc.,
as  the  Evaluator, and to the use of the Obligations prepared by us  which
are referred to in such Prospectus and Statement.
     
     You  are  authorized to file copies of this letter with the Securities
and Exchange Commission.
                                    
                                        Very truly yours,
                                    
                                              James Perry
                                           Vice President

                                                   Exhibit 4.2
Standard & Poor's Corporation
25 Broadway
New York, New York  10004-1064


Mr. Mark Kneedy
Chapman & Cutler
111 West Monroe Street
Chicago, Illinois 60603
     
     
     Re:  Insured Municipals Income Trust, 166th Insured Multi-Series*

Dear Mr. Kneedy:
     
     Pursuant  to your request for a Standard & Poor's rating on the units  of
the  above-captioned  trust, SEC #33-55411, we have reviewed  the  information
presented to us and have assigned a 'AAA' rating to the units of the trust and
a  'AAA'  rating to the securities contained in the trust for as long as  they
remain in the trust.  The ratings are direct reflections, of the portfolio  of
the  trust,  which  will  be  composed solely of securities  covered  by  bond
insurance policies that insure against default in the payment of principal and
interest  on the securities so long as they remain in the trust.   Since  such
policies  have been issued by one or more insurance companies which have  been
assigned a 'AAA' claims paying ability rating by S&P, S&P has assigned a 'AAA'
rating to the units of the trust and to the securities contained in the  trust
for as long as they remain in the trust.
     
     You  have permission to use the name of Standard & Poor's Corporation and
the   above-assigned  ratings  in  connection  with  your   dissemination   of
information relating to these units, provided that it is understood  that  the
ratings are not "market" ratings nor recommendations to buy, hold, or sell the
units  of  the  trust or the securities contained in the trust.   Further,  it
should  be  understood the rating on the units does not take into account  the
extent  to  which  fund expenses or portfolio asset sales for  less  than  the
fund's  purchase price will reduce payment to the unit holders of the interest
and  principal required to be paid on the portfolio assets.  S&P reserves  the
right  to  advise its own clients, subscribers, and the public of the ratings.
S&P  relies on the sponsor and its counsel, accountants, and other experts for
the  accuracy and completeness of the information submitted in connection with
the  ratings.  S&P does not independently verify the truth or accuracy of  any
such information.
     
     This  letter evidences our consent to the use of the name of  Standard  &
Poor's Corporation in connection with the rating assigned to the units in  the
registration  statement  or prospectus relating to the  units  or  the  trust.
However,  this letter should not be construed as a consent by us,  within  the
meaning of Section 7 of the Securities Act of 1933, to the use of the name  of
Standard & Poor's Corporation in connection with the ratings assigned  to  the
securities contained in the trust.  You are hereby authorized to file  a  copy
of this letter with the Securities and Exchange Commission.
     
     Please  be  certain to send us three copies of your final  prospectus  as
soon  as it becomes available.  Should we not receive them within a reasonable
time  after the closing or should they not conform to the representations made
to us, we reserve the right to withdraw the rating.
     
     We  are pleased to have had the opportunity to be of service to you.   If
we can be of further help, please do not hesitate to call upon us.

                                    Sincerely,
                                    
                                    Vincent S. Orzo
*Consisting of:
     
     Insured Municipals Income Trust, Series 334
     California Insured Municipals Income Trust, Intermediate Laddered
     Maturity Series 14
     Ohio Insured Municipals Income Trust, Intermediate Laddered Maturity
     Series 6
     

                                    
                                                          Exhibit 4.3
                                    
                                    
            Independent Certified Public Accountants' Consent
     
     We have issued our report dated October 4, 1994 on the statements of
condition and related bond portfolios of Insured Municipals Income Trust,
166th Insured Multi-Series (IM-IT, California IM-IT Intermediate Laddered
Maturity and Ohio IM-IT Intermediate Laddered Maturity Trusts) as of
October 4, 1994 contained in the Registration Statement on Form S-6 and
Prospectus.  We consent to the use of our report in the Registration
Statement and Prospectus and to the use of our name as it appears under
the caption "Other Matters-Report of Independent Certified Public
Accountants".

                                    Grant Thornton

Chicago, Illinois
October 4, 1994

WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This report reflects the current period taken from 487 on 10/04/94
it is
unaudited
</LEGEND>
<SERIES>
 <NUMBER> 334
 <NAME>  IMIT
       
<CAPTION>
<S>                         <C>                  
<PERIOD-TYPE>               OTHER                
<FISCAL-YEAR-END>                    AUG-31-1994
<PERIOD-START>                       OCT-04-1994
<PERIOD-END>                         OCT-04-1994
<INVESTMENTS-AT-COST>                    8520892
<INVESTMENTS-AT-VALUE>                   8520892
<RECEIVABLES>                             146473
<ASSETS-OTHER>                                 0
<OTHER-ITEMS-ASSETS>                           0
<TOTAL-ASSETS>                           8667365
<PAYABLE-FOR-SECURITIES>                       0
<SENIOR-LONG-TERM-DEBT>                        0
<OTHER-ITEMS-LIABILITIES>                  54362
<TOTAL-LIABILITIES>                        54362
<SENIOR-EQUITY>                                0
<PAID-IN-CAPITAL-COMMON>                 8613003
<SHARES-COMMON-STOCK>                       9052
<SHARES-COMMON-PRIOR>                          0
<ACCUMULATED-NII-CURRENT>                      0
<OVERDISTRIBUTION-NII>                         0
<ACCUMULATED-NET-GAINS>                        0
<OVERDISTRIBUTION-GAINS>                       0
<ACCUM-APPREC-OR-DEPREC>                       0
<NET-ASSETS>                                 952
<DIVIDEND-INCOME>                              0
<INTEREST-INCOME>                              0
<OTHER-INCOME>                                 0
<EXPENSES-NET>                                 0
<NET-INVESTMENT-INCOME>                        0
<REALIZED-GAINS-CURRENT>                       0
<APPREC-INCREASE-CURRENT>                      0
<NET-CHANGE-FROM-OPS>                          0
<EQUALIZATION>                                 0
<DISTRIBUTIONS-OF-INCOME>                      0
<DISTRIBUTIONS-OF-GAINS>                       0
<DISTRIBUTIONS-OTHER>                          0
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<NUMBER-OF-SHARES-REDEEMED>                    0
<SHARES-REINVESTED>                            0
<NET-CHANGE-IN-ASSETS>                         0
<ACCUMULATED-NII-PRIOR>                        0
<ACCUMULATED-GAINS-PRIOR>                      0
<OVERDISTRIB-NII-PRIOR>                        0
<OVERDIST-NET-GAINS-PRIOR>                     0
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<INTEREST-EXPENSE>                             0
<GROSS-EXPENSE>                                0
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<PER-SHARE-NAV-BEGIN>                          0
<PER-SHARE-NII>                                0
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<PER-SHARE-DIVIDEND>                           0
<PER-SHARE-DISTRIBUTIONS>                      0
<RETURNS-OF-CAPITAL>                           0
<PER-SHARE-NAV-END>                            0
<EXPENSE-RATIO>                                0
<AVG-DEBT-OUTSTANDING>                         0
<AVG-DEBT-PER-SHARE>                           0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This report reflects the current period taken from 487 on 10/4/94
it is unaudited
</LEGEND>
<SERIES>
 <NUMBER> 14
 <NAME>  ILCA
       
<CAPTION>
<S>                         <C>                  
<PERIOD-TYPE>               OTHER                
<FISCAL-YEAR-END>                    AUG-31-1994
<PERIOD-START>                       OCT-04-1994
<PERIOD-END>                         OCT-04-1994
<INVESTMENTS-AT-COST>                    2950279
<INVESTMENTS-AT-VALUE>                   2950279
<RECEIVABLES>                              30409
<ASSETS-OTHER>                                 0
<OTHER-ITEMS-ASSETS>                           0
<TOTAL-ASSETS>                           2980688
<PAYABLE-FOR-SECURITIES>                       0
<SENIOR-LONG-TERM-DEBT>                        0
<OTHER-ITEMS-LIABILITIES>                   5523
<TOTAL-LIABILITIES>                         5523
<SENIOR-EQUITY>                                0
<PAID-IN-CAPITAL-COMMON>                 2975165
<SHARES-COMMON-STOCK>                       3000
<SHARES-COMMON-PRIOR>                          0
<ACCUMULATED-NII-CURRENT>                      0
<OVERDISTRIBUTION-NII>                         0
<ACCUMULATED-NET-GAINS>                        0
<OVERDISTRIBUTION-GAINS>                       0
<ACCUM-APPREC-OR-DEPREC>                       0
<NET-ASSETS>                                 992
<DIVIDEND-INCOME>                              0
<INTEREST-INCOME>                              0
<OTHER-INCOME>                                 0
<EXPENSES-NET>                                 0
<NET-INVESTMENT-INCOME>                        0
<REALIZED-GAINS-CURRENT>                       0
<APPREC-INCREASE-CURRENT>                      0
<NET-CHANGE-FROM-OPS>                          0
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<DISTRIBUTIONS-OF-INCOME>                      0
<DISTRIBUTIONS-OF-GAINS>                       0
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<SHARES-REINVESTED>                            0
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<ACCUMULATED-NII-PRIOR>                        0
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This report reflects the current period taken from 487 on 10/04/94
it is unaudited
</LEGEND>
<SERIES>
 <NUMBER> 6
 <NAME>  ILOH
       
<CAPTION>
<S>                         <C>                  
<PERIOD-TYPE>               OTHER                
<FISCAL-YEAR-END>                    AUG-31-1994
<PERIOD-START>                       OCT-04-1994
<PERIOD-END>                         OCT-04-1994
<INVESTMENTS-AT-COST>                    2968076
<INVESTMENTS-AT-VALUE>                   2968076
<RECEIVABLES>                              21745
<ASSETS-OTHER>                                 0
<OTHER-ITEMS-ASSETS>                           0
<TOTAL-ASSETS>                           2989821
<PAYABLE-FOR-SECURITIES>                       0
<SENIOR-LONG-TERM-DEBT>                        0
<OTHER-ITEMS-LIABILITIES>                      0
<TOTAL-LIABILITIES>                            0
<SENIOR-EQUITY>                                0
<PAID-IN-CAPITAL-COMMON>                 2989821
<SHARES-COMMON-STOCK>                       3000
<SHARES-COMMON-PRIOR>                          0
<ACCUMULATED-NII-CURRENT>                      0
<OVERDISTRIBUTION-NII>                         0
<ACCUMULATED-NET-GAINS>                        0
<OVERDISTRIBUTION-GAINS>                       0
<ACCUM-APPREC-OR-DEPREC>                       0
<NET-ASSETS>                                 997
<DIVIDEND-INCOME>                              0
<INTEREST-INCOME>                              0
<OTHER-INCOME>                                 0
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<REALIZED-GAINS-CURRENT>                       0
<APPREC-INCREASE-CURRENT>                      0
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<DISTRIBUTIONS-OF-INCOME>                      0
<DISTRIBUTIONS-OF-GAINS>                       0
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<NUMBER-OF-SHARES-SOLD>                        0
<NUMBER-OF-SHARES-REDEEMED>                    0
<SHARES-REINVESTED>                            0
<NET-CHANGE-IN-ASSETS>                         0
<ACCUMULATED-NII-PRIOR>                        0
<ACCUMULATED-GAINS-PRIOR>                      0
<OVERDISTRIB-NII-PRIOR>                        0
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<GROSS-ADVISORY-FEES>                          0
<INTEREST-EXPENSE>                             0
<GROSS-EXPENSE>                                0
<AVERAGE-NET-ASSETS>                           0
<PER-SHARE-NAV-BEGIN>                          0
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<PER-SHARE-DISTRIBUTIONS>                      0
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<PER-SHARE-NAV-END>                            0
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<AVG-DEBT-OUTSTANDING>                         0
<AVG-DEBT-PER-SHARE>                           0
        

</TABLE>


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