DEFINED ASSET FUNDS MUNICIPAL INVT TR FD MULTISTATE SER 9I
497, 1998-11-23
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<PAGE>
                                     DEFINED ASSET FUNDSSM
- --------------------------------------------
- ----------------------------------
 

                              MUNICIPAL INVESTMENT TRUST FUND
                              MULTISTATE SERIES--9I
                              (A UNIT INVESTMENT TRUST)
                              O   ARIZONA, COLORADO, MICHIGAN AND NEW YORK
                                  PORTFOLIOS
                              O   PORTFOLIOS OF INSURED, LONG TERM MUNICIPAL
                                  BONDS
                              O   DESIGNED FOR FEDERALLY TAX-FREE INCOME
                              O   EXEMPT FROM SOME STATE TAXES
                              O   MONTHLY DISTRIBUTIONS

 

SPONSORS:
Merrill Lynch,
Pierce, Fenner & Smith         -------------------------------------------------
    Incorporated               The Securities and Exchange Commission has not
Salomon Smith Barney Inc.      approved or disapproved these Securities or
Prudential Securities          passed upon the adequacy of this prospectus. Any
Incorporated                   representation to the contrary is a criminal
PaineWebber Incorporated       offense.
Dean Witter Reynolds Inc.      Prospectus dated November 20, 1998.

 
<PAGE>
- --------------------------------------------------------------------------------
 
Defined Asset FundsSM
Defined Asset FundsSM is America's oldest and largest family of unit investment
trusts, with over $115 billion sponsored over the last 25 years. Defined Asset
Funds has been a leader in unit investment trust research and product
innovation. Our family of Funds helps investors work toward their financial
goals with a full range of quality investments, including municipal, corporate
and government bond portfolios, as well as domestic and international equity
portfolios.
 
Defined Asset Funds offer a number of advantages:
   o A disciplined strategy of buying and holding with a long-term view is the
     cornerstone of Defined Asset Funds.
   o Fixed portfolio: Defined Funds follow a buy and hold investment strategy;
     funds are not managed and portfolio changes are limited.
o Defined Portfolios: We choose the stocks and bonds in advance, so you know
  what you're investing in.
o Professional research: Our dedicated research team seeks out stocks or bonds
      appropriate for a particular fund's objectives.
o Ongoing supervision: We monitor each portfolio on an ongoing basis.
No matter what your investment goals, tolerance for risk or time horizon,
there's probably a Defined Asset Fund that suits your investment style. Your
financial professional can help you select a Defined Asset Fund that works best
for your investment portfolio.
 
THE FINANCIAL INFORMATION IN THIS PROSPECTUS IS AS OF AUGUST 31, 1998, THE
EVALUATION DATE.
 

CONTENTS
                                                                PAGE
                                                          -----------
Arizona Insured Portfolio--
   Risk/Return Summary..................................           3
Colorado Insured Portfolio-- Risk/Return Summary........           6
Michigan Insured Portfolio-- Risk/Return Summary........           9
New York Insured Portfolio--
   Risk/Return Summary..................................          12
What You Can Expect From Your Investment................          17
   Monthly Income.......................................          17
   Return Figures.......................................          17
   Records and Reports..................................          17
The Risks You Face......................................          18
   Interest Rate Risk...................................          18
   Call Risk............................................          18
   Reduced Diversification Risk.........................          18
   Liquidity Risk.......................................          18
   Concentration Risk...................................          18
   State Concentration Risk.............................          19
   Bond Quality Risk....................................          22
   Insurance Related Risk...............................          22
   Litigation and Legislation Risks.....................          22
Selling or Exchanging Units.............................          22
   Sponsors' Secondary Market...........................          23
   Selling Units to the Trustee.........................          23
   Exchange Option......................................          23
How The Fund Works......................................          24
   Pricing..............................................          24
   Evaluations..........................................          24
   Income...............................................          24
   Expenses.............................................          24
   Portfolio Changes....................................          25
   Fund Termination.....................................          25
   Certificates.........................................          25
   Trust Indenture......................................          25
   Legal Opinion........................................          26
   Auditors.............................................          26
   Sponsors.............................................          26
   Trustee..............................................          27
   Underwriters' and Sponsors' Profits                            27
   Public Distribution..................................          27
   Code of Ethics.......................................          27
   Year 2000 Issues.....................................          27
Taxes...................................................          28
Supplemental Information................................          30
Financial Statements....................................         D-1

 
                                       2
<PAGE>
- --------------------------------------------------------------------------------
 
ARIZONA INSURED PORTFOLIO--RISK/RETURN SUMMARY
 

       1.  WHAT IS THE FUND'S OBJECTIVE?
           The Fund seeks interest income that is exempt from regular
           federal income taxes and some state and local taxes by
           investing in a fixed portfolio consisting primarily of
           insured, long term municipal revenue bonds.
       2.  WHAT ARE MUNICIPAL REVENUE BONDS?
           Municipal revenue bonds are bonds issued by states,
           municipalities and public authorities to finance the cost
           of buying, building or improving various projects intended
           to generate revenue, such as airports, health care
           facilities, housing and municipal electric, water and sewer
           utilities. Generally, payments on these bonds depend solely
           on the revenues generated by the projects, excise taxes or
           state appropriations, and are not backed by the
           government's taxing power.
 
       3.  WHAT IS THE FUND'S INVESTMENT STRATEGY?
        O  The Fund plans to hold to maturity 8 long-term tax-exempt
           municipal bonds with an aggregate face amount of
           $2,335,000. The Fund is a unit investment trust which means
           that, unlike a mutual fund, the Portfolio is not managed.
        o  The bonds are rated AAA or Aaa by Standard & Poor's,
           Moody's or Fitch.
        o  The Fund is concentrated in refunded bonds.
        o  Many of the bonds can be called at a premium declining over
           time to par value. Some bonds may be called earlier at par
           for extraordinary reasons.
        o  100% of the bonds are insured by insurance companies that
           guarantee timely payments of principal and interest on the
           bonds (but not Fund units or the market value of the bonds
           before they mature).
           The Portfolio consists of municipal bonds of the following
           types:

 

                                                  APPROXIMATE
                                                   PORTFOLIO
                                                   PERCENTAGE

 

/ / General Obligation                                 33%
/ / Industrial Development Revenue                     8%
/ / Municipal Water/Sewer Utilities                    31%
/ / Refunded Bonds                                     28%

 

       4.  WHAT ARE THE SIGNIFICANT RISKS?
           YOU CAN LOSE MONEY BY INVESTING IN THE FUND. THIS CAN
           HAPPEN FOR VARIOUS REASONS, INCLUDING:
        o  Rising interest rates, an issuer's worsening financial
           condition or a drop in bond ratings can reduce the price of
           your units.
        o  Because the Fund is concentrated in water and sewer utility
           bonds and general obligation bonds, adverse developments in
           these sectors may affect the value of your units.
        o  Assuming no changes in interest rates, when you sell your
           units, they will generally be worth less than your cost
           because your cost included a sales fee.
        o  The Fund will receive early returns of principal if bonds
           are called or sold before they mature. If this happens your
           income will decline and you may not be able to reinvest the
           money you receive at as high a yield or as long a maturity.
 
           ALSO, THE PORTFOLIO IS CONCENTRATED IN BONDS OF ARIZONA SO
           IT IS LESS DIVERSIFIED THAN A NATIONAL FUND AND IS SUBJECT
           TO RISKS PARTICULAR TO ARIZONA WHICH ARE BRIEFLY DESCRIBED
           UNDER STATE CONCENTRATION RISKS LATER IN THIS PROSPECTUS.

 
                                       3
<PAGE>
 

       5.  IS THIS FUND APPROPRIATE FOR YOU?
           Yes, if you want federally tax-free income. You will
           benefit from a professionally selected and supervised
           portfolio whose risk is reduced by investing in bonds of
           several different issuers.
           The Fund is not appropriate for you if you want a
           speculative investment that changes to take advantage of
           market movements, if you do not want a tax-advantaged
           investment or if you cannot tolerate any risk.

 
           DEFINING YOUR INCOME
 

           WHAT YOU MAY EXPECT (Payable on the 25th day of
           the month to holders of record on the 10th day
           of the month):
           Regular Monthly Income per unit                           $    5.05
           Annual Income per unit:                           $   60.69
           These figures are estimates determined on the evaluation
           day; actual payments may vary.

 

       6.  WHAT ARE THE FUND'S FEES AND EXPENSES?
           This table shows the costs and expenses you may pay,
           directly or indirectly, when you invest in the Fund.

 

           INVESTOR FEES
                                                               2.90%
           Maximum Sales Fee (Load) on new purchases
           (as a percentage of $1,000 invested)

 

           Employees of some of the Sponsors and their affiliates may
           pay a reduced sales fee of no less than $5.00 per unit.
           The maximum sales fee is reduced if you invest at least
           $100,000, as follows:

 

                                                 YOUR MAXIMUM
                                                    SALES FEE
                     IF YOU INVEST:                  WILL BE:
           -----------------------------------  -----------------
           Less than $100,000                            2.90%
           $100,000 to $249,999                          2.65%
           $250,000 to $499,999                          2.40%
           $500,000 to $999,999                          2.15%
           $1,000,000 and over                           1.90%
 
           Maximum Exchange Fee                          1.90%

 
           ESTIMATED ANNUAL FUND OPERATING EXPENSES
 

                                                        AMOUNT
                                                      PER UNIT
                                                    -----------
                                                     $    0.69
           Trustee's Fee
                                                     $    0.39
           Portfolio Supervision,
           Bookkeeping and
           Administrative Fees
                                                     $    0.38
           Evaluator's Fee
                                                     $    0.48
           Other Operating Expenses
                                                    -----------
                                                     $    1.94
           TOTAL

 

       7.  HOW HAVE SIMILAR FUNDS PERFORMED IN THE PAST?
           In the following chart we show past performance of prior
           Arizona Portfolios, which had investment objectives,
           strategies and types of bonds substantially similar to this
           Fund. These prior Series differed in that they charged a
           higher sales fee. These prior Arizona Series were offered
           between May 11, 1989 and July 11, 1996 and were outstanding
           on September 30, 1998. OF COURSE, PAST PERFORMANCE OF PRIOR
           SERIES IS NO GUARANTEE OF FUTURE RESULTS OF THIS FUND.
           AVERAGE ANNUAL COMPOUND TOTAL RETURNS
           FOR PRIOR SERIES
           Reflecting all expenses. For periods ended 9/30/98.

 

                  WITH SALES FEE             NO SALES FEE
               1 YEAR       5 YEARS      1 YEAR       5 YEARS
- ---------------------------------------------------------------
High            4.81%        4.64%       10.45%        5.82%
Average         3.72         4.18         6.64         5.27
Low             2.45         3.37         3.92         4.60
- ---------------------------------------------------------------

 

Average
Sales fee       2.85%        5.41%

 
- -------------------------------------------------------------------
 
Note: All returns represent changes in unit price with distributions reinvested
 into the Municipal Fund Investment Accumulation Program.
 

       8.  IS THE FUND MANAGED?
           Unlike a mutual fund, the Fund is not managed and bonds are
           not sold because of market changes. Rather, experienced
           Defined Asset Funds financial analysts regularly review the
           bonds in the Fund. The Fund may sell a bond if certain
           adverse credit or other conditions exist.

 
                                       4
<PAGE>
 

       9.  HOW DO I BUY UNITS?
           The minimum investment is $250.
           You can buy units from any of the Sponsors and other
           broker-dealers. The Sponsors are listed later in this
           prospectus. Some banks may offer units for sale through
           special arrangements with the Sponsors, although certain
           legal restrictions may apply.
           UNIT PRICE PER UNIT                     $1,056.68
           (as of August 31, 1998)
           Unit price is based on the net asset value of the Fund plus
           the sales fee. An amount equal to any principal cash, as
           well as net accrued but undistributed interest on the unit,
           is added to the unit price. An independent evaluator prices
           the bonds at 3:30 p.m. Eastern time every business day.
           Unit price changes every day with changes in the prices of
           the bonds in the Fund.
           UNIT PAR VALUE                          $1,000.00
           Unit par value means the total amount of money you should
           generally receive on each unit by the termination of the
           Fund (other than interest and premium on the bonds). This
           total amount assumes that all bonds in the Fund are either
           paid at maturity or called by the issuer at par or are sold
           by the Fund at par. If you sell your units before the Fund
           terminates, you may receive more or less than the unit par
           value.
      10.  HOW DO I SELL UNITS?
           You may sell your units at any time to any Sponsor or the
           Trustee for the net asset value determined at the close of
           business on the date of sale, less any remaining deferred
           sales fee. You will not pay any other fee when you sell
           your units.

 

      11.  HOW ARE DISTRIBUTIONS MADE AND TAXED?
           The Fund pays income monthly.
           In the opinion of bond counsel when each bond was issued,
           interest on the bonds in this Fund is generally 100% exempt
           from regular federal income tax. Your income may also be
           exempt from some Arizona state and local personal income
           taxes if you live in Arizona.
           You will also receive principal payments if bonds are sold
           or called or mature, when the cash available is more than
           $5.00 per unit. You will be subject to tax on any gain
           realized by the Fund on the disposition of bonds.
      12.  WHAT OTHER SERVICES ARE AVAILABLE?
           REINVESTMENT
           You will receive your income in cash unless you choose to
           compound your income by reinvesting at no sales fee in the
           Municipal Fund Investment Accumulation Program, Inc. This
           program is an open-end mutual fund with a comparable
           investment objective, but the bonds will generally not be
           insured. Income from this program will generally be subject
           to state and local income taxes. For more complete
           information about the program, including charges and fees,
           ask the Trustee for the program's prospectus. Read it
           carefully before you invest. The Trustee must receive your
           written election to reinvest at least 10 days before the
           record day of an income payment.
           EXCHANGE PRIVILEGES
           You may exchange units of this Fund for units of certain
           other Defined Asset Funds. You may also exchange into this
           Fund from certain other funds. We charge a reduced sales fee
           on exchanges.

 
                                       5
<PAGE>
- --------------------------------------------------------------------------------
 
COLORADO INSURED PORTFOLIO--RISK/RETURN SUMMARY
 

       1.  WHAT IS THE FUND'S OBJECTIVE?
           The Fund seeks interest income that is exempt from regular
           federal income taxes and some state and local taxes by
           investing in a fixed portfolio consisting primarily of
           insured, long term municipal revenue bonds.
       2.  WHAT ARE MUNICIPAL REVENUE BONDS?
           Municipal revenue bonds are bonds issued by states,
           municipalities and public authorities to finance the cost
           of buying, building or improving various projects intended
           to generate revenue, such as airports, health care
           facilities, housing and municipal electric, water and sewer
           utilities. Generally, payments on these bonds depend solely
           on the revenues generated by the projects, excise taxes or
           state appropriations, and are not backed by the
           government's taxing power.
 
       3.  WHAT IS THE FUND'S INVESTMENT STRATEGY?
        O  The Fund plans to hold to maturity 9 long-term tax-exempt
           municipal bonds with an aggregate face amount of
           $2,425,000. The Fund is a unit investment trust which means
           that, unlike a mutual fund, the Portfolio is not managed.
        o  The bonds are rated AAA or Aaa by Standard & Poor's,
           Moody's or Fitch.
        o  The Fund is concentrated in refunded bonds.
        o  Many of the bonds can be called at a premium declining over
           time to par value. Some bonds may be called earlier at par
           for extraordinary reasons.
        o  100% of the bonds are insured by insurance companies that
           guarantee timely payments of principal and interest on the
           bonds (but not Fund units or the market value of the bonds
           before they mature).
           The Portfolio consists of municipal bonds of the following
           types:

 

                                                  APPROXIMATE
                                                   PORTFOLIO
                                                   PERCENTAGE

 

/ / Hospitals/Healthcare                               10%
/ / Municipal Water/Sewer Utilities                    11%
/ / Refunded Bonds                                     58%
/ / Special Tax Issues                                 21%

 

       4.  WHAT ARE THE SIGNIFICANT RISKS?
           YOU CAN LOSE MONEY BY INVESTING IN THE FUND. THIS CAN
           HAPPEN FOR VARIOUS REASONS, INCLUDING:
        o  Rising interest rates, an issuer's worsening financial
           condition or a drop in bond ratings can reduce the price of
           your units.
        o  Assuming no changes in interest rates, when you sell your
           units, they will generally be worth less than your cost
           because your cost included a sales fee.
        o  The Fund will receive early returns of principal if bonds
           are called or sold before they mature. If this happens your
           income will decline and you may not be able to reinvest the
           money you receive at as high a yield or as long a maturity.
 
           ALSO, THE PORTFOLIO IS CONCENTRATED IN BONDS OF COLORADO SO
           IT IS LESS DIVERSIFIED THAN A NATIONAL FUND AND IS SUBJECT
           TO RISKS PARTICULAR TO COLORADO WHICH ARE BRIEFLY DESCRIBED
           UNDER STATE CONCENTRATION RISKS LATER IN THIS PROSPECTUS.

 
                                       6
<PAGE>
 

       5.  IS THIS FUND APPROPRIATE FOR YOU?
           Yes, if you want federally tax-free income. You will
           benefit from a professionally selected and supervised
           portfolio whose risk is reduced by investing in bonds of
           several different issuers.
           The Fund is not appropriate for you if you want a
           speculative investment that changes to take advantage of
           market movements, if you do not want a tax-advantaged
           investment or if you cannot tolerate any risk.

 
           DEFINING YOUR INCOME
 

           WHAT YOU MAY EXPECT (Payable on the 25th day of
           the month to holders of record on the 10th day
           of the month):
           Regular Monthly Income per unit                           $    5.24
           Annual Income per unit:                           $   62.93
           These figures are estimates determined on the evaluation
           day; actual payments may vary.

 

       6.  WHAT ARE THE FUND'S FEES AND EXPENSES?
           This table shows the costs and expenses you may pay,
           directly or indirectly, when you invest in the Fund.

 

           INVESTOR FEES
                                                               2.90%
           Maximum Sales Fee (Load) on new purchases
           (as a percentage of $1,000 invested)

 

           Employees of some of the Sponsors and their affiliates may
           pay a reduced sales fee of no less than $5.00 per unit.
           The maximum sales fee is reduced if you invest at least
           $100,000, as follows:

 

                                                 YOUR MAXIMUM
                                                    SALES FEE
                     IF YOU INVEST:                  WILL BE:
           -----------------------------------  -----------------
           Less than $100,000                            2.90%
           $100,000 to $249,999                          2.65%
           $250,000 to $499,999                          2.40%
           $500,000 to $999,999                          2.15%
           $1,000,000 and over                           1.90%
 
           Maximum Exchange Fee                          1.90%

 
           ESTIMATED ANNUAL FUND OPERATING EXPENSES
 

                                                        AMOUNT
                                                      PER UNIT
                                                    -----------
                                                     $    0.68
           Trustee's Fee
                                                     $    0.39
           Portfolio Supervision,
           Bookkeeping and
           Administrative Fees
                                                     $    0.37
           Evaluator's Fee
                                                     $    0.48
           Other Operating Expenses
                                                    -----------
                                                     $    1.92
           TOTAL

 

       7.  IS THE FUND MANAGED?
           Unlike a mutual fund, the Fund is not managed and bonds are
           not sold because of market changes. Rather, experienced
           Defined Asset Funds financial analysts regularly review the
           bonds in the Fund. The Fund may sell a bond if certain
           adverse credit or other conditions exist.
       8.  HOW DO I BUY UNITS?
           The minimum investment is $250.
           You can buy units from any of the Sponsors and other
           broker-dealers. The Sponsors are listed later in this
           prospectus. Some banks may offer units for sale through
           special arrangements with the Sponsors, although certain
           legal restrictions may apply.
           UNIT PRICE PER UNIT                      $1,068.44
           (as of August 31, 1998)
           Unit price is based on the net asset value of the Fund plus
           the sales fee. An amount equal to any principal cash, as
           well as net accrued but undistributed interest on the unit,
           is added to the unit price. An independent evaluator prices
           the bonds at 3:30 p.m. Eastern time every business day. Unit
           price changes every day with changes in the prices of the
           bonds in the Fund.

 
                                       7
<PAGE>
 

           UNIT PAR VALUE                          $1,000.00
           Unit par value means the total amount of money you should
           generally receive on each unit by the termination of the
           Fund (other than interest and premium on the bonds). This
           total amount assumes that all bonds in the Fund are either
           paid at maturity or called by the issuer at par or are sold
           by the Fund at par. If you sell your units before the Fund
           terminates, you may receive more or less than the unit par
           value.
       9.  HOW DO I SELL UNITS?
           You may sell your units at any time to any Sponsor or the
           Trustee for the net asset value determined at the close of
           business on the date of sale. You will not pay any other
           fee when you sell your units.

 

      10.  HOW ARE DISTRIBUTIONS MADE AND TAXED?
           The Fund pays income monthly.
           In the opinion of bond counsel when each bond was issued,
           interest on the bonds in this Fund is generally 100% exempt
           from regular federal income tax. Your income may also be
           exempt from some Colorado state and local personal income
           taxes if you live in Colorado.
           You will also receive principal payments if bonds are sold
           or called or mature, when the cash available is more than
           $5.00 per unit. You will be subject to tax on any gain
           realized by the Fund on the disposition of bonds.
      11.  WHAT OTHER SERVICES ARE AVAILABLE?
           REINVESTMENT
           You will receive your income in cash unless you choose to
           compound your income by reinvesting at no sales fee in the
           Municipal Fund Investment Accumulation Program, Inc. This
           program is an open-end mutual fund with a comparable
           investment objective. Income from this program will
           generally be subject to state and local income taxes. For
           more complete information about the program, including
           charges and fees, ask the Trustee for the program's
           prospectus. Read it carefully before you invest. The Trustee
           must receive your written election to reinvest at least 10
           days before the record day of an income payment.
           EXCHANGE PRIVILEGES
           You may exchange units of this Fund for units of certain
           other Defined Asset Funds. You may also exchange into this
           Fund from certain other funds. We charge a reduced sales fee
           on exchanges.

 
                                       8
<PAGE>
- --------------------------------------------------------------------------------
 
MICHIGAN INSURED PORTFOLIO--RISK/RETURN SUMMARY
 

       1.  WHAT IS THE FUND'S OBJECTIVE?
           The Fund seeks interest income that is exempt from regular
           federal income taxes and some state and local taxes by
           investing in a fixed portfolio consisting primarily of
           insured, long term municipal revenue bonds.
       2.  WHAT ARE MUNICIPAL REVENUE BONDS?
           Municipal revenue bonds are bonds issued by states,
           municipalities and public authorities to finance the cost
           of buying, building or improving various projects intended
           to generate revenue, such as airports, health care
           facilities, housing and municipal electric, water and sewer
           utilities. Generally, payments on these bonds depend solely
           on the revenues generated by the projects, excise taxes or
           state appropriations, and are not backed by the
           government's taxing power.
 
       3.  WHAT IS THE FUND'S INVESTMENT STRATEGY?
        O  The Fund plans to hold to maturity 8 long-term tax-exempt
           municipal bonds with an aggregate face amount of
           $3,920,000. The Fund is a unit investment trust which means
           that, unlike a mutual fund, the Portfolio is not managed.
        o  The bonds are rated AAA or Aaa by Standard & Poor's,
           Moody's or Fitch.
        o  The Fund is concentrated in refunded bonds.
        o  Many of the bonds can be called at a premium declining over
           time to par value. Some bonds may be called earlier at par
           for extraordinary reasons.
        o  100% of the bonds are insured by insurance companies that
           guarantee timely payments of principal and interest on the
           bonds (but not Fund units or the market value of the bonds
           before they mature).
           The Portfolio consists of municipal bonds of the following
           types:

 

                                                  APPROXIMATE
                                                   PORTFOLIO
                                                   PERCENTAGE

 

/ / Hospitals/Healthcare                               19%
/ / Industrial Development Revenue                     19%
/ / Refunded Bonds                                     62%

 

       4.  WHAT ARE THE SIGNIFICANT RISKS?
           YOU CAN LOSE MONEY BY INVESTING IN THE FUND. THIS CAN
           HAPPEN FOR VARIOUS REASONS, INCLUDING:
        o  Rising interest rates, an issuer's worsening financial
           condition or a drop in bond ratings can reduce the price of
           your units.
        o  Assuming no changes in interest rates, when you sell your
           units, they will generally be worth less than your cost
           because your cost included a sales fee.
        o  The Fund will receive early returns of principal if bonds
           are called or sold before they mature. If this happens your
           income will decline and you may not be able to reinvest the
           money you receive at as high a yield or as long a maturity.
 
           ALSO, THE PORTFOLIO IS CONCENTRATED IN BONDS OF MICHIGAN SO
           IT IS LESS DIVERSIFIED THAN A NATIONAL FUND AND IS SUBJECT
           TO RISKS PARTICULAR TO MICHIGAN WHICH ARE BRIEFLY DESCRIBED
           UNDER STATE CONCENTRATION RISKS LATER IN THIS PROSPECTUS.

 
                                       9
<PAGE>
 

       5.  IS THIS FUND APPROPRIATE FOR YOU?
           Yes, if you want federally tax-free income. You will
           benefit from a professionally selected and supervised
           portfolio whose risk is reduced by investing in bonds of
           several different issuers.
           The Fund is not appropriate for you if you want a
           speculative investment that changes to take advantage of
           market movements, if you do not want a tax-advantaged
           investment or if you cannot tolerate any risk.

 
           DEFINING YOUR INCOME
 

           WHAT YOU MAY EXPECT (Payable on the 25th day of
           the month to holders of record on the 10th day
           of the month):
           Regular Monthly Income per unit                           $    5.39
           Annual Income per unit:                           $   64.73
           These figures are estimates determined on the evaluation
           day; actual payments may vary.

 

       6.  WHAT ARE THE FUND'S FEES AND EXPENSES?
           This table shows the costs and expenses you may pay,
           directly or indirectly, when you invest in the Fund.

 

           INVESTOR FEES
                                                               2.90%
           Maximum Sales Fee (Load) on new purchases
           (as a percentage of $1,000 invested)

 

           Employees of some of the Sponsors and their affiliates may
           pay a reduced sales fee of no less than $5.00 per unit.
           The maximum sales fee is reduced if you invest at least
           $100,000, as follows:

 

                                                 YOUR MAXIMUM
                                                    SALES FEE
                     IF YOU INVEST:                  WILL BE:
           -----------------------------------  -----------------
           Less than $100,000                            2.90%
           $100,000 to $249,999                          2.65%
           $250,000 to $499,999                          2.40%
           $500,000 to $999,999                          2.15%
           $1,000,000 and over                           1.90%
 
           Maximum Exchange Fee                          1.90%

 
           ESTIMATED ANNUAL FUND OPERATING EXPENSES
 

                                                        AMOUNT
                                                      PER UNIT
                                                    -----------
                                                     $    0.69
           Trustee's Fee
                                                     $    0.40
           Portfolio Supervision,
           Bookkeeping and
           Administrative Fees
                                                     $    0.23
           Evaluator's Fee
                                                     $    0.30
           Other Operating Expenses
                                                    -----------
                                                     $    1.62
           TOTAL

 

       7.  HOW HAVE SIMILAR FUNDS PERFORMED IN THE PAST?
           In the following chart we show past performance of prior
           Michigan Portfolios, which had investment objectives,
           strategies and types of bonds substantially similar to this
           Fund. These prior Series differed in that they charged a
           higher sales fee. These prior Michigan Series were offered
           between March 9, 1988 and February 15, 1996 and were
           outstanding on September 30, 1998. OF COURSE, PAST
           PERFORMANCE OF PRIOR SERIES IS NO GUARANTEE OF FUTURE
           RESULTS OF THIS FUND.
           AVERAGE ANNUAL COMPOUND TOTAL RETURNS
           FOR PRIOR SERIES
           Reflecting all expenses. For periods ended 9/30/98.

 

                                                     NO SALES
                        WITH SALES FEE                  FEE
               1 YEAR       5 YEARS      1 YEAR       5 YEARS

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

High            6.08%        4.94%       10.14%        6.06%
Average         3.97         4.30         6.71         5.32
Low             2.39         3.78         3.37         4.69

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

Average
Sales fee       2.69%        5.06%

 
- ---------------------------------------------------------------
 
Note: All returns represent changes in unit price with distributions reinvested
 into the Municipal Fund Investment Accumulation Program.
 

       8.  IS THE FUND MANAGED?
           Unlike a mutual fund, the Fund is not managed and bonds are
           not sold because of market changes. Rather, experienced
           Defined Asset Funds financial analysts regularly review the
           bonds in the Fund. The Fund may sell a bond if certain
           adverse credit or other conditions exist.

 
                                       10
<PAGE>
 

       9.  HOW DO I BUY UNITS?
           The minimum investment is $250.
           You can buy units from any of the Sponsors and other
           broker-dealers. The Sponsors are listed later in this
           prospectus. Some banks may offer units for sale through
           special arrangements with the Sponsors, although certain
           legal restrictions may apply.
           UNIT PRICE PER UNIT                     $1,090.27
           (as of August 31, 1998)
           Unit price is based on the net asset value of the Fund plus
           the sales fee. An amount equal to any principal cash, as
           well as net accrued but undistributed interest on the unit,
           is added to the unit price. An independent evaluator prices
           the bonds at 3:30 p.m. Eastern time every business day.
           Unit price changes every day with changes in the prices of
           the bonds in the Fund.
           UNIT PAR VALUE                          $1,000.00
           Unit par value means the total amount of money you should
           generally receive on each unit by the termination of the
           Fund (other than interest and premium on the bonds). This
           total amount assumes that all bonds in the Fund are either
           paid at maturity or called by the issuer at par or are sold
           by the Fund at par. If you sell your units before the Fund
           terminates, you may receive more or less than the unit par
           value.
      10.  HOW DO I SELL UNITS?
           You may sell your units at any time to any Sponsor or the
           Trustee for the net asset value determined at the close of
           business on the date of sale. You will not pay any other
           fee when you sell your units.

 

      11.  HOW ARE DISTRIBUTIONS MADE AND TAXED?
           The Fund pays income monthly.
           In the opinion of bond counsel when each bond was issued,
           interest on the bonds in this Fund is generally 100% exempt
           from regular federal income tax. Your income may also be
           exempt from some Michigan state and local personal income
           taxes if you live in Michigan.
           You will also receive principal payments if bonds are sold
           or called or mature, when the cash available is more than
           $5.00 per unit. You will be subject to tax on any gain
           realized by the Fund on the disposition of bonds.
      12.  WHAT OTHER SERVICES ARE AVAILABLE?
           REINVESTMENT
           You will receive your income in cash unless you choose to
           compound your income by reinvesting at no sales fee in the
           Municipal Fund Investment Accumulation Program, Inc. This
           program is an open-end mutual fund with a comparable
           investment objective, but the bonds generally will not be
           insured. Income from this program will generally be subject
           to state and local income taxes. For more complete
           information about the program, including charges and fees,
           ask the Trustee for the program's prospectus. Read it
           carefully before you invest. The Trustee must receive your
           written election to reinvest at least 10 days before the
           record day of an income payment.
           EXCHANGE PRIVILEGES
           You may exchange units of this Fund for units of certain
           other Defined Asset Funds. You may also exchange into this
           Fund from certain other funds. We charge a reduced sales fee
           on exchanges.

 
                                       11
<PAGE>
- --------------------------------------------------------------------------------
 
NEW YORK PORTFOLIO--RISK/RETURN SUMMARY
 

       1.  WHAT IS THE FUND'S OBJECTIVE?
           The Fund seeks interest income that is exempt from regular
           federal income taxes and some state and local taxes by
           investing in a fixed portfolio consisting primarily of
           insured, long term municipal revenue bonds.
       2.  WHAT ARE MUNICIPAL REVENUE BONDS?
           Municipal revenue bonds are bonds issued by states,
           municipalities and public authorities to finance the cost
           of buying, building or improving various projects intended
           to generate revenue, such as airports, health care
           facilities, housing and municipal electric, water and sewer
           utilities. Generally, payments on these bonds depend solely
           on the revenues generated by the projects, excise taxes or
           state appropriations, and are not backed by the
           government's taxing power.
 
       3.  WHAT IS THE FUND'S INVESTMENT STRATEGY?
        O  The Fund plans to hold to maturity 10 long-term tax-exempt
           municipal bonds with an aggregate face amount of
           $8,735,000. The Fund is a unit investment trust which means
           that, unlike a mutual fund, the Portfolio is not managed.
        o  The bonds are rated AAA or Aaa by Standard & Poor's,
           Moody's or Fitch.
        o  The Fund is concentrated in refunded bonds.
        o  Many of the bonds can be called at a premium declining over
           time to par value. Some bonds may be called earlier at par
           for extraordinary reasons. 20% of the bonds are currently
           callable.
        o  100% of the bonds are insured by insurance companies that
           guarantee timely payments of principal and interest on the
           bonds (but not Fund units or the market value of the bonds
           before they mature).
           The Portfolio consists of municipal bonds of the following
           types:

 

                                                  APPROXIMATE
                                                   PORTFOLIO
                                                   PERCENTAGE

 

/ / Airports/Ports/Highways                            11%
/ / General Obligation                                 5%
/ / Hospitals/Healthcare                               8%
/ / Refunded Bonds                                     37%
/ / Special Tax Issues                                 11%
/ / Transit/Transportation                             15%
/ / Universities/Colleges                              13%

 

       4.  WHAT ARE THE SIGNIFICANT RISKS?
           YOU CAN LOSE MONEY BY INVESTING IN THE FUND. THIS CAN
           HAPPEN FOR VARIOUS REASONS, INCLUDING:
        o  Rising interest rates, an issuer's worsening financial
           condition or a drop in bond ratings can reduce the price of
           your units.
        o  Assuming no changes in interest rates, when you sell your
           units, they will generally be worth less than your cost
           because your cost included a sales fee.
        o  The Fund will receive early returns of principal if bonds
           are called or sold before they mature. If this happens your
           income will decline and you may not be able to reinvest the
           money you receive at as high a yield or as long a maturity.
 
           ALSO, THE PORTFOLIO IS CONCENTRATED IN BONDS OF NEW YORK SO
           IT IS LESS DIVERSIFIED THAN A NATIONAL FUND AND IS SUBJECT
           TO RISKS PARTICULAR TO NEW YORK WHICH ARE BRIEFLY DESCRIBED
           UNDER STATE CONCENTRATION RISKS LATER IN THIS PROSPECTUS.

 
                                       12
<PAGE>
 

       5.  IS THIS FUND APPROPRIATE FOR YOU?
           Yes, if you want federally tax-free income. You will
           benefit from a professionally selected and supervised
           portfolio whose risk is reduced by investing in bonds of
           several different issuers.
           The Fund is not appropriate for you if you want a
           speculative investment that changes to take advantage of
           market movements, if you do not want a tax-advantaged
           investment or if you cannot tolerate any risk.

 
           DEFINING YOUR INCOME
 

           WHAT YOU MAY EXPECT (Payable on the 25th day of
           the month to holders of record on the 10th day
           of the month):
           Regular Monthly Income per unit                           $    4.89
           Annual Income per unit:                           $   58.71
           These figures are estimates determined on the evaluation
           day; actual payments may vary.

 

       6.  WHAT ARE THE FUND'S FEES AND EXPENSES?
           This table shows the costs and expenses you may pay,
           directly or indirectly, when you invest in the Fund.

 

           INVESTOR FEES
                                                               2.90%
           Maximum Sales Fee (Load) on new purchases
           (as a percentage of $1,000 invested)

 

           Employees of some of the Sponsors and their affiliates may
           pay a reduced sales fee of no less than $5.00 per unit.
           The maximum sales fee is reduced if you invest at least
           $100,000, as follows:

 

                                                 YOUR MAXIMUM
                                                    SALES FEE
                     IF YOU INVEST:                  WILL BE:
           -----------------------------------  -----------------
           Less than $100,000                            2.90%
           $100,000 to $249,999                          2.65%
           $250,000 to $499,999                          2.40%
           $500,000 to $999,999                          2.15%
           $1,000,000 and over                           1.90%
 
           Maximum Exchange Fee                          1.90%

 
           ESTIMATED ANNUAL FUND OPERATING EXPENSES
 

                                                        AMOUNT
                                                      PER UNIT
                                                    -----------
                                                     $    0.62
           Trustee's Fee
                                                     $    0.37
           Portfolio Supervision,
           Bookkeeping and
           Administrative Fees
                                                     $    0.09
           Evaluator's Fee
                                                     $    0.18
           Other Operating Expenses
                                                    -----------
                                                     $    1.26
           TOTAL

 

       7.  HOW HAVE SIMILAR FUNDS PERFORMED IN THE PAST?
           In the following chart we show past performance of prior New
           York Portfolios, which had investment objectives, strategies
           and types of bonds substantially similar to this Fund. These
           prior Series differed in that they charged a higher sales
           fee. These prior New York Series were offered between
           January 14, 1988 and September 11, 1997 and were outstanding
           on September 30, 1998. OF COURSE, PAST PERFORMANCE OF PRIOR
           SERIES IS NO GUARANTEE OF FUTURE RESULTS OF THIS FUND.
           AVERAGE ANNUAL COMPOUND TOTAL RETURNS
           FOR PRIOR SERIES
           Reflecting all expenses. For periods ended 9/30/98.

 

                   WITH SALES FEE                    NO SALES FEE
            1 YEAR     5 YEARS   10 YEARS    1 YEAR     5 YEARS   10 YEARS

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

High         6.94%      5.26%      7.87%     11.62%      6.02%      8.47%
Average      4.47       4.41       7.51       7.72       5.44       8.10
Low          2.18       3.81       7.37       4.79       4.76       7.59

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

Average
Sales fee    3.17%      5.11%      5.73%

 
- -------------------------------------------------------------------
 
Note: All returns represent changes in unit price with distributions reinvested
 into the Municipal Fund Investment Accumulation Program.
 

       8.  IS THE FUND MANAGED?
           Unlike a mutual fund, the Fund is not managed and bonds are
           not sold because of market changes. Rather, experienced
           Defined Asset Funds financial analysts regularly review the
           bonds in the Fund. The Fund may sell a bond if certain
           adverse credit or other conditions exist.

 
                                       13
<PAGE>
 

       9.  HOW DO I BUY UNITS?
           The minimum investment is $250.
           You can buy units from any of the Sponsors and other
           broker-dealers. The Sponsors are listed later in this
           prospectus. Some banks may offer units for sale through
           special arrangements with the Sponsors, although certain
           legal restrictions may apply.
           UNIT PRICE PER UNIT                       $958.69
           (as of August 31, 1998)
           Unit price is based on the net asset value of the Fund plus
           the sales fee. An amount equal to any principal cash, as
           well as net accrued but undistributed interest on the unit,
           is added to the unit price. An independent evaluator prices
           the bonds at 3:30 p.m. Eastern time every business day.
           Unit price changes every day with changes in the prices of
           the bonds in the Fund.
           UNIT PAR VALUE                          $1,000.00
           Unit par value means the total amount of money you should
           generally receive on each unit by the termination of the
           Fund (other than interest and premium on the bonds). This
           total amount assumes that all bonds in the Fund are either
           paid at maturity or called by the issuer at par or are sold
           by the Fund at par. If you sell your units before the Fund
           terminates, you may receive more or less than the unit par
           value.
      10.  HOW DO I SELL UNITS?
           You may sell your units at any time to any Sponsor or the
           Trustee for the net asset value determined at the close of
           business on the date of sale. You will not pay any other
           fee when you sell your units.

 

      11.  HOW ARE DISTRIBUTIONS MADE AND TAXED?
           The Fund pays income monthly.
           In the opinion of bond counsel when each bond was issued,
           interest on the bonds in this Fund is generally 100% exempt
           from regular federal income tax. Your income may also be
           exempt from some New York state and local personal income
           taxes if you live in New York.
           You will also receive principal payments if bonds are sold
           or called or mature, when the cash available is more than
           $5.00 per unit. You will be subject to tax on any gain
           realized by the Fund on the disposition of bonds.
      12.  WHAT OTHER SERVICES ARE AVAILABLE?
           REINVESTMENT
           You will receive your income in cash unless you choose to
           compound your income by reinvesting at no sales fee in the
           Municipal Fund Investment Accumulation Program, Inc. This
           program is an open-end mutual fund with a comparable
           investment objective, but the bonds will generally not be
           insured. Income from this program will generally be subject
           to state and local income taxes. For more complete
           information about the program, including charges and fees,
           ask the Trustee for the program's prospectus. Read it
           carefully before you invest. The Trustee must receive your
           written election to reinvest at least 10 days before the
           record day of an income payment.
           EXCHANGE PRIVILEGES
           You may exchange units of this Fund for units of certain
           other Defined Asset Funds. You may also exchange into this
           Fund from certain other funds. We charge a reduced sales fee
           on exchanges.

 
                                       14
<PAGE>
- --------------------------------------------------------------------------------
    TAX-FREE VS. TAXABLE INCOME: A COMPARISON OF TAXABLE AND TAX-FREE YIELDS
 
                             FOR ARIZONA RESIDENTS
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
 

                                  COMBINED
                                  EFFECTIVE
TAXABLE INCOME 1998*              TAX RATE                       TAX-FREE YIELD OF
 SINGLE RETURN      JOINT RETURN     %       3%     3.5%     4%     4.5%     5%     5.5%     6%     6.5%
                                                        IS EQUIVALENT TO A TAXABLE YIELD OF

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

<S>               <C>       <C>     <C>       <C>    <C>      <C>    <C>      <C>    <C>      <C>    <C> 
                  $      0- 42,350  17.81     3.65   4.26     4.87   5.47     6.08   6.59     7.30   7.91
$      0- 25,350                    18.32     3.67   4.28     4.90   5.51     6.12   6.73     7.35   7.96
$ 25,350- 81,400  $ 42,350-102,300  31.48     4.38   5.11     5.84   6.57     7.29   8.02     8.75   9.48
$ 81,400-128,100  $102,300-155,950  34.31     4.57   5.33     6.09   6.86     7.61   8.37     9.13   9.90
                  $155,950-278,450  39.07     4.92   5.74     6.57   7.39     8.21   9.03     9.85  10.67
$128,100-278,450                    39.31     4.94   5.77     6.59   7.41     8.24   9.06     9.89  10.71
OVER $278,450        OVER $278,450  42.72     5.24   6.11     6.98   7.88     8.73   9.60    10.48  11.35
</TABLE>

 
                             FOR COLORADO RESIDENTS
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>

                                  COMBINED
                                  EFFECTIVE
TAXABLE INCOME 1998*              TAX RATE                       TAX-FREE YIELD OF
 SINGLE RETURN      JOINT RETURN     %       3%     3.5%     4%     4.5%     5%     5.5%     6%     6.5%
                                                        IS EQUIVALENT TO A TAXABLE YIELD OF

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

<S>       <C>     <C>       <C>     <C>       <C>    <C>      <C>    <C>      <C>    <C>      <C>    <C> 
$      0- 25,350  $      0- 42,350  19.25     3.72   4.33     4.95   5.57     6.18   6.81     7.43   8.05
$ 25,350- 81,400  $ 42,350-102,300  31.60     4.39   5.12     5.85   6.58     7.31   8.04     8.77   9.50
$ 81,400-128,100  $102,300-155,950  34.45     4.58   5.34     6.10   6.86     7.83   8.39     9.15   9.92
$128,100-278,450  $155,950-278,450  38.20     4.93   5.76     6.58   7.40     8.22   9.05     9.87  10.69
OVER $278,450        OVER $278,450  42.62     5.23   6.10     6.97   7.84     8.71   9.59    10.46  11.33
</TABLE>

 
                             FOR MICHIGAN RESIDENTS
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>

                                  COMBINED
                                  EFFECTIVE
TAXABLE INCOME 1998*              TAX RATE                       TAX-FREE YIELD OF
 SINGLE RETURN      JOINT RETURN     %       3%     3.5%     4%     4.5%     5%     5.5%     6%     6.5%
                                                        IS EQUIVALENT TO A TAXABLE YIELD OF

 
- --------------------------------------------------------------------------------
 
<S>       <C>     <C>       <C>     <C>       <C>    <C>      <C>    <C>      <C>    <C>      <C>    <C> 
$      0- 25,350  $      0- 42,350  18.74     3.89   4.31     4.92   5.64     6.15   6.77     7.38   8.00
$ 25,350- 61,400  $ 42,350-102,300  31.17     4.38   5.08     5.81   6.54     7.28   7.99     8.72   9.44
$ 61,400-128,100  $102,300-165,950  34.04     4.55   5.31     6.08   6.82     7.68   8.34     9.10   9.85
$128,100-278,450  $155,950-278,450  38.82     4.90   5.72     6.54   7.35     8.17   8.89     9.81  10.62
OVER $278,450        OVER $278,450  42.26     5.20   6.08     6.93   7.79     8.86   9.63    10.39  11.26
</TABLE>

 
To compare the yield of a taxable security with the yield of a tax-free
security, find your taxable income and read across. The table incorporates 1998
federal and applicable state income tax rates and assumes that all income would
otherwise be taxed at the investor's highest tax rate. Yield figures are for
example only.
 
*Based upon net amount subject to federal income tax after deductions and
exemptions. This table does not reflect the possible effect of other tax
factors, such as alternative minimum tax, personal exemptions, the phase out of
exemptions, itemized deductions or the possible partial disallowance of
deductions. Consequently, you should consult your own tax advisers in this
regard.
 
                                       15
<PAGE>
- --------------------------------------------------------------------------------
    TAX-FREE VS. TAXABLE INCOME: A COMPARISON OF TAXABLE AND TAX-FREE YIELDS
 
                          FOR NEW YORK CITY RESIDENTS
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>

                                  COMBINED
                                  EFFECTIVE
TAXABLE INCOME 1998*              TAX RATE                       TAX-FREE YIELD OF
 SINGLE RETURN      JOINT RETURN     %       3%     3.5%     4%     4.5%     5%     5.5%     6%     6.5%
                                                        IS EQUIVALENT TO A TAXABLE YIELD OF

 
- --------------------------------------------------------------------------------
 
<S>       <C>     <C>       <C>     <C>       <C>    <C>      <C>    <C>      <C>    <C>      <C>    <C> 
$      0- 25,350  $      0- 42,350  24.55     3.38   4.64     5.30   5.96     6.63   7.29     7.95   8.62
$ 25,351- 61,400  $ 42,351-102,300  36.14     4.70   5.48     6.28   7.05     7.83   8.61     9.40  10.18
$ 61,401-128,100  $102,301-155,950  38.80     4.90   5.72     6.54   7.35     8.17   8.99     9.80  10.62
$128,101-278,450  $155,951-278,450  43.24     5.29   6.17     7.05   7.83     8.81   9.69    10.57  11.45
OVER $278,450        OVER $278,450  46.43     5.60   6.53     7.47   8.40     9.33  10.27    11.20  12.13
</TABLE>

 
                          FOR NEW YORK STATE RESIDENTS
- --------------------------------------------------------------------------------
 

<TABLE>
<CAPTION>
                                  COMBINED
                                  EFFECTIVE
TAXABLE INCOME 1998*              TAX RATE                       TAX-FREE YIELD OF
 SINGLE RETURN      JOINT RETURN     %       3%     3.5%     4%     4.5%     5%     5.5%     6%     6.5%
                                                        IS EQUIVALENT TO A TAXABLE YIELD OF

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

<S>       <C>     <C>       <C>     <C>       <C>    <C>      <C>    <C>      <C>    <C>      <C>    <C> 
$      0- 25,350  $      0- 42,350  20.82     3.79   4.42     5.05   5.68     6.31   6.95     7.58   8.21
$ 25,351- 61,400  $ 42,351-102,300  32.93     4.47   5.22     5.96   6.71     7.46   8.20     8.95   9.69
$ 61,401-128,100  $102,301-155,950  35.73     4.67   5.45     6.22   7.00     7.78   8.56     9.34  10.11
$128,101-278,450  $155,951-278,450  40.38     5.03   5.87     6.71   7.55     8.39   9.23    10.06  10.90
OVER $278,450        OVER $278,450  43.74     5.33   6.22     7.11   8.00     8.89   9.78    10.66  11.55
</TABLE>

 
To compare the yield of a taxable security with the yield of a tax-free
security, find your taxable income and read across. The table incorporates 1998
federal and applicable State (and City) income tax rates and assumes that all
income would otherwise be taxed at the investor's highest tax rate. Yield
figures are for example only.
 
*Based upon net amount subject to federal income tax after deductions and
exemptions. This table does not reflect the possible effect of other tax
factors, such as alternative minimum tax, personal exemptions, the phase out of
exemptions, itemized deductions or the possible partial disallowance of
deductions. Consequently, investors are urged to consult their own tax advisers
in this regard.
 
                                       16
<PAGE>
WHAT YOU CAN EXPECT FROM YOUR INVESTMENT
 
MONTHLY INCOME
 
The Fund will pay you regular monthly income. Your monthly income may vary
because of:
   o elimination of one or more bonds from the Fund's portfolio because of
     calls, redemptions or sales;
   o a change in the Fund's expenses; or
   o the failure by a bond's issuer to pay interest.
 
Changes in interest rates generally will not affect your income because the
portfolio is fixed.
 
Along with your income, you will receive your share of any available bond
principal.
 
RETURN FIGURES
 
We cannot predict your actual return, which will vary with unit price, how long
you hold your investment and changes in the portfolio, interest income and
expenses.
 
Estimated Current Return equals the estimated annual cash to be received from
the bonds in the Fund less estimated annual Fund expenses, divided by the Unit
Price (including the maximum sales fee):
 

 Estimated Annual                  Estimated
 Interest Income        -       Annual Expenses
- -------------------------------------------------
                   Unit Price

 
Estimated Long Term Return is a measure of the estimated return over the
estimated life of the Fund. Unlike Estimated Current Return, Estimated Long Term
Return reflects maturities, discounts and premiums of the bonds in the Fund. It
is an average of the yields to maturity (or in certain cases, to an earlier call
date) of the individual bonds in the portfolio, adjusted to reflect the Fund's
maximum sales fee and estimated expenses. We calculate the average yield for the
portfolio by weighting each bond's yield by its market value and the time
remaining to the call or maturity date.
 
Yields on individual bonds depend on many factors including general conditions
of the bond markets, the size of a particular offering and the maturity and
quality rating of the particular issues. Yields can vary among bonds with
similar maturities, coupons and ratings.
 
These return quotations are designed to be comparative rather than predictive.
 
RECORDS AND REPORTS
 
You will receive:
o a monthly statement of income payments and any principal payments;
o a notice from the Trustee when new bonds are deposited in exchange or
  substitution for bonds originally deposited;
o an annual report on Fund activity; and
o annual tax information. This will also be sent to the IRS. You must report the
  amount of tax-exempt interest received during the year.
 
You may request:
o copies of bond evaluations to enable you to comply with federal and state tax
  reporting requirements; and
o audited financial statements of the Fund.
 
You may inspect records of Fund transactions at the Trustee's office during
regular business hours.
 
                                       17
<PAGE>
THE RISKS YOU FACE
 
INTEREST RATE RISK
 
Investing involves risks, including the risk that your investment will decline
in value if interest rates rise. Generally, bonds with longer maturities will
change in value more than bonds with shorter maturities. Bonds in the Fund are
more likely to be called when interest rates decline. This would result in early
returns of principal to you and may result in early termination of the Fund. Of
course, we cannot predict how interest rates may change.
 
CALL RISK
 
Many bonds can be prepaid or 'called' by the issuer before their stated
maturity.
 
For example, some bonds may be required to be called pursuant to mandatory
sinking fund provisions.
 
Also, an issuer might call its bonds during periods of falling interest rates,
if the issuer's bonds have a coupon higher than current market rates.
 
An issuer might call its bonds in extraordinary cases, including if:
   o it no longer needs the money for the original purpose;
   o the project is condemned or sold;
   o the project is destroyed and insurance proceeds are used to redeem the
     bonds;
   o any related credit support expires and is not replaced; or
   o interest on the bonds become taxable.
 
If the bonds are called, your inocme will decline and you may not be able to
reinvest the money you receive at as high a yield or as long a maturity. An
early call at par of a premium bond will reduce your return.
 
REDUCED DIVERSIFICATION RISK
 
If many investors sell their units, the Fund will have to sell bonds. This could
reduce the diversification of your investment and increase your share of Fund
expenses.
 
LIQUIDITY RISK
 
You can always sell back your units, but we cannot assure you that a liquid
trading market will always exist for the bonds in the portfolio, especially
since current law may restrict the Fund from selling bonds to any Sponsor. The
bonds will generally trade in the over-the-counter market. The value of the
bonds, and of your investment, may be reduced if trading in bonds is limited or
absent.
 
CONCENTRATION RISK
 
When a certain type of bond makes up 25% or more of the portfolio, it is said to
be 'concentrated' in that bond type, which makes the Portfolio less diversified.
 
Here is what you should know about the Arizona Portfolio's concentration in
general obligation bonds.
   o general obligation bonds are backed by the issuer's pledge of its full
     faith, credit and taxing power;
   o but the taxing power of any government issuer may be limited by provisions
     of the state constitution or laws as well as political considerations; and
   o an issuer's credit can be negatively affected by various factors, including
      population decline that erodes the tax base, natural disasters, decline in
      industry, limited access to capital markets or heavy reliance on state or
     federal aid.
 
Here is what you should know about the Arizona Portfolio's concentration in
municipal water and sewer revenue bonds. The payment of interest and principal
of these bonds depends on the rates the utilities may
 
                                       18
<PAGE>
charge, the demand for their services and the cost of operating their business
which includes the expense of complying with environmental and other energy and
licensing laws and regulations. The operating results of utilities are
particularly influenced by:
   o increases in operating and construction costs; and
   o unpredicability of future usage requirements.
 
Here is what you should know about each Portfolio's concentration in refunded
bonds.
 
Refunded bonds are typically:
   o backed by direct obligations of the U.S. government; or
   o in some cases, backed by obligations guaranteed by the U.S. government and
      placed in escrow with an independent trustee;
   o noncallable prior to maturity; but
   o sometimes called for redemption prior to maturity.
 
Changes to the portfolio from bond redemptions, maturities and sales may affect
the Fund's concentrations over time.
 
STATE CONCENTRATION RISK
 
ARIZONA RISKS
 
Generally
 
Arizona's economy is affected by several major factors, including:
 
   o boom and bust cycles in key industries like real estate, construction and
     tourism;
 
   o the performance of other economic sectors such as manufacturing, mining,
      services and the military;
 
   o the savings and loan crisis;
 
   o employment patterns of major employers within the state;
 
   o consolidation and change in the healthcare market; and
 
   o migration into the state, which causes higher than average population
     growth.
 
State and Local Government
 
Most of the bonds in the Arizona Trust are not issued by the State of Arizona
itself; however, the financial condition of the state government could hurt the
value of the bonds. Also, both the State and its subdivisions are subject to
legal restrictions that could impair their ability to make payments on bonds,
including:
 
   o certain state laws limit taxation and bond indebtedness;
 
   o other state laws make it difficult to increase taxes, such as by requiring
     a two-thirds vote of the state legislature for any increase; and
 
   o Arizona's regulated utilities are limited in their ability to secure rate
     increases. Any failure to secure a necessary rate increase could adversely
     affect a utility's ability to service its debts.
 
Arizona voters have tried from time to time to further limit the amount of tax
increases that can be levied without voter approval.
 
Education Financing
 
In July, 1994 the Arizona Supreme Court found the state's school funding system
to be unconstitutional. The state's first attempt at a new funding program was
rejected by the courts. It is not yet clear how the judgment or any new attempt
to comply with it will affect state finances.
 
COLORADO RISKS
 
Generally
 
Colorado has experienced above-average economic growth for the last nine years,
and its unemployment rate has been below the
 
                                       19
<PAGE>
national average. This has been due in large part to above-average population
growth, job growth and net migration into the state. However, both net migration
and job growth have slowed recently, and any further slowdown could hurt
Colorado's future economic performance.
 
The most important sectors of Colorado's economy, other than state government,
are:
   o service;
   o trade;
   o manufacturing; and
   o tourism.
 
State and Local Government
 
The 1992 TABOR amendment to the Colorado Constitution restricts the ability of
the state and its subdivisions to increase taxes, revenues, debt and spending in
the following ways:
 
   o state and local spending is capped at the prior year's spending, with some
      adjustments, unless voters approve an increase;
 
   o excess revenues must be refunded;
 
   o voter approval is required for any new tax, tax increase or, with some
      exceptions, new debt;
 
   o certain new taxes are prohibited entirely; and
 
   o the state and local entities must establish emergency reserves, and can
     reduce or end spending on any programs (other than public education) if
     necessary.
 
These restrictions could hurt the financial condition of the state and its
subdivisions, especially in times of slow economic growth.
 
The effect of TABOR on government finance has been very significant, but it is
impossible to predict how it will affect the bonds held by the Fund.
 
Short-term notes issued by Colorado in 1997 received the highest possible
short-term ratings by Standard & Poor's and Fitch, but because of their term
they should not be considered indicative of the state's general financial
condition.
 
MICHIGAN RISKS
 
Because Michigan's leading sectors are closely integrated with the manufacturing
of durable goods, its economy is more cyclical than non-industrial states and
the nation as a whole. As a result:
 
   o any substantial national economic downturn will likely hurt Michigan's
      economy and its state and local governments;
 
   o because the state is highly reliant on the auto industry, its economy could
     be hurt by changes in that industry, expecially consolidation, plant
     closings and labor disputes;
 
   o while in the past the state's unemployment rate was higher than the
      national average, for several years it has been near or below the national
     average.
 
Certain tax changes have reduced or changed the mix of tax revenues of the state
and local governments. In recent years:
 
   o the state sales tax rate was raised;
 
   o the income tax rate was lowered;
 
   o an annual cap was imposed on property tax assessment increases; and
 
   o property taxes used for school funding were cut, and now schools are paid
     for by a combination of property taxes and general state revenues.
 
In addition, certain state laws limit the overall amount of state revenues that
can be raised from taxes, which could affect State operations
 
                                       20
<PAGE>
and restrict the sharing of revenue with local governments. This, combined with
the above tax changes, could hurt the value of Michigan bonds in the portfolio
or make it more difficult for Michigan's local governments to pay their debt
service.
 
The state's general obligation bonds are rated Aa by Moody's, AA+ by Standard &
Poor's and AA by Fitch.
 
NEW YORK RISKS
 
Generally
 
For decades, New York's economy has trailed the rest of the nation. Both the
state and New York City have experienced long-term structural imbalances between
revenues and expenses, and have repeatedly relied substantially on non-recurring
measures to achieve budget balance. The pressures that contribute to budgetary
problems at both the state and local level include:
 
   o the high combined state and local tax burden;
 
   o a decline in manufacturing jobs, leading to above-average unemployment;
 
   o sensitivity to the financial services industry; and
 
   o dependence on federal aid.
 
State Government
 
The State government frequently has difficulty approving budgets on time. Budget
gaps of $1 billion and $4 billion are projected for the next two years. The
State's general obligation bonds are rated A by Standard & Poor's and A2 by
Moody's. There is $37 billion of state-related debt outstanding.
 
New York City Government
 
Even though the City had budget surpluses each year from 1981, budget gaps of $2
billion are projected for each of the next three years. New York City faces
fiscal pressures from:
 
   o aging public facilities that need repair or replacement;
 
   o welfare and medical costs;
 
   o expiring labor contracts; and
 
   o a high and increasing debt burden.
 
The City requires substantial state aid, and its fiscal strength depends heavily
on the securities industry. Its general obligation bonds are rated A-by Standard
& Poor's and A3 by Moody's.
 
PENNSYLVANIA RISKS
 
Generally
 
Pennsylvania and many of its municipalities (including Philadelphia) have
undergone an economic decline:
 
   o coal, steel, railroads and other heavy industry historically associated
     with the Commonwealth has given way to increased competition from foreign
      producers.
 
   o agriculture and related industries are still an important part of the
      Commonwealth's economy.
 
   o Recently, however, service sector industries (trade, medical and health
      services, education and financial services) have provided new sources of
     growth.
 
State and Local Governments
 
Historically, both the Commonwealth and the City of Philadelphia have
experienced serious revenue shortfalls. At the same time, rising demands for
state and local programs and services (particularly medical assistance and cash
assistance programs) have lead to increased spending.
 
                                       21
<PAGE>
   o In recent years, both the Commonwealth and the City of Philadelphia have
     tried to balance their budgets with a mix of tax increases and spending
     cuts.
 
   o Philadelphia has considered significant service cuts and privatization of
     certain services which it has provided to date.
 
   o In 1991, the Commonwealth created the Pennsylvania Inter-Governmental
      Cooperation Authority ('PICA') which it authorized to issue debt to cover
      Philadelphia's budget shortfalls, eliminate the City's projected deficits
     and fund its capital spending. PICA issued approximately $1.76 billion of
     Special Revenue Bonds on Philadelphia's behalf. Its power to issue bonds on
     Philadelphia's behalf expired at the end of 1996; as of June 30, 1997,
     approximately $1.1 billion in PICA Special Revenue Bonds were outstanding.
 
   o Pennsylvania's general obligation bonds are currently rated A1 by Moody's
     and AA-by Standard & Poor's. Philadelphia's general obligation bonds are
     rated Baa by Moody's and BBB by Standard & Poor's. There can be no
     assurance that these ratings will not be lowered.
 
BOND QUALITY RISK
 
A reduction in a bond's rating may decrease its value and, indirectly, the value
of your investment in the Fund.
 
INSURANCE RELATED RISK
 
The bonds are backed by insurance companies (as shown under Portfolios).
Insurance policies generally make payments only according to a bond's original
payment schedule and do not make early payments when a bond defaults or becomes
taxable. Although the federal government does not regulate the insurance
business, various state laws and federal initiatives and tax law changes could
significantly affect the insurance business. The claims-paying ability of the
insurance companies is generally rated A or better by Standard & Poor's or
another nationally recognized rating organization. The insurance company ratings
are subject to change at any time at the discretion of the rating agencies.
 
LITIGATION AND LEGISLATION RISKS
 
We do not know of any pending litigation that might have a material adverse
effect upon the Fund.
 
Future tax legislation could affect the value of the portfolio by:
   o limiting real property taxes,
   o reducing tax rates,
   o imposing a flat or other form of tax, or
   o exempting investment income from tax.
 
SELLING OR EXCHANGING UNITS
 
You can sell your units at any time for a price based on net asset value. Your
net asset value is calculated each business day by:
   o adding the value of the bonds, net accrued interest, cash and any other
     Fund assets;
   o subtracting accrued but unpaid Fund expenses, unreimbursed Trustee
      advances, cash held to buy back units or for distribution to investors and
     any other Fund liabilities; and
   o dividing the result by the number of outstanding units.
 
Your net asset value when you sell may be more or less than your cost because of
sales fees, market movements and changes in the portfolio.
 
                                       22
<PAGE>
SPONSORS' SECONDARY MARKET
 
While we are not obligated to do so, we will buy back units at net asset value
without any other fee or charge. We may resell the units to other buyers or to
the Trustee. You should consult your financial professional for current market
prices to determine if other broker-dealers or banks are offering higher prices.
 
We have maintained the secondary market continuously for over 25 years, but we
could discontinue it without prior notice for any business reason.
 
SELLING UNITS TO THE TRUSTEE
 
Regardless of whether we maintain a secondary market, you can sell your units to
the Trustee at any time by sending the Trustee a letter (with any outstanding
certificates if you hold Unit certificates). You must properly endorse your
certificates (or execute a written transfer instrument with signatures
guaranteed by an eligible institution). Sometimes, additional documents are
needed such as a trust document, certificate of corporate authority, certificate
of death or appointment as executor, administrator or guardian.
 
Within seven days after your request and the necessary documents are received,
the Trustee will mail a check to you. Contact the Trustee for additional
information.
 
As long as we are maintaining a secondary market, the Trustee will sell your
units to us at a price based on net asset value. If there is no secondary
market, the Trustee may sell your units in the over-the-counter market for a
higher price, but it is not obligated to do so. In that case, you will receive
the net proceeds of the sale.
 
If the Fund does not have cash available to pay you for units you are selling,
the agent for the Sponsors will select bonds to be sold. Bonds will be selected
based on market and credit factors. These sales could be made at times when the
bonds would not otherwise be sold and may result in your receiving less than the
unit par value and also reduce the size and diversity of the Fund.
 
There could be a delay in paying you for your units:
   o if the New York Stock Exchange is closed (other than customary weekend and
      holiday closings);
   o if the SEC determines that trading on the New York Stock Exchange is
     restricted or that an emergency exists making sale or evaluation of the
     bonds not reasonably practicable; and
   o for any other period permitted by SEC order.
 
EXCHANGE OPTION
 
You may exchange units of certain Defined Asset Funds for units of this Fund at
a maximum exchange fee of 1.90%. You may exchange units of this Fund for units
of certain other Defined Asset Funds at a reduced sales fee if your investment
goals change. To exchange units, you should talk to your financial professional
about what funds are exchangeable, suitable and currently available.
 
Normally, an exchange is taxable and you must recognize any gain or loss on the
exchange. However, the IRS may try to disallow a loss if the portfolios of the
two funds are not materially different; you should consult your own tax adviser.
 
                                       23
<PAGE>
We may amend or terminate this exchange option at any time without notice.
 
HOW THE FUND WORKS
 
PRICING
 
The price of a unit includes interest accrued on the bonds, less expenses, from
the initial most recent Record Day up to, but not including, the settlement
date, which is usually three business days after the purchase date of the unit.
 
A portion of the price of a unit consists of cash so that the Trustee can
provide you with regular monthly income. When you sell your units you will
receive your share of this cash.
 
EVALUATIONS
 
An independent Evaluator values the bonds on each business day (excluding
Saturdays, Sundays and the following holidays as observed by the New York Stock
Exchange: New Year's Day, Presidents' Day, Martin Luther King, Jr. Day, Good
Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving and Christmas).
Bond values are based on current bid or offer prices for the bonds or comparable
bonds. In the past, the difference between bid and offer prices of publicly
offered tax-exempt bonds has ranged from 0.5% of face amount on actively traded
issues to 3.5% on inactively traded issues; the difference has averaged between
1 and 2%.
 
INCOME
 
The Trustee credits interest to an Income Account and other receipts to a
Capital Account. The Trustee may establish a Reserve Account by withdrawing from
these accounts amounts it considers appropriate to pay any material liability.
These accounts do not bear interest.
 
EXPENSES
 
The Trustee is paid monthly. It also benefits when it holds cash for the Fund in
non-interest bearing accounts. The Trustee may also receive additional amounts:
   o to reimburse the Trustee for the Fund's operating expenses;
   o for extraordinary services and costs of indemnifying the Trustee and the
      Sponsors;
   o costs of actions taken to protect the Fund and other legal fees and
     expenses;
   o expenses for keeping the Fund's registration statement current; and
   o Fund termination expenses and any governmental charges.
 
The Sponsors are currently reimbursed up to 45 cents per $1,000 face amount
annually for providing portfolio supervisory, bookkeeping and administrative
services and for any other expenses properly chargeable to the Fund. While this
fee may exceed the amount of these costs and expenses attributable to this Fund,
the total of these fees for all Series of Defined Asset Funds will not exceed
the aggregate amount attributable to all of these Series for any calendar year.
The Fund also pays the Evaluator's fees.
 
The Trustee's, Sponsors' and Evaluator's fees may be adjusted for inflation
without investors' approval.
 
The Sponsors will pay advertising and selling expenses at no charge to the Fund.
If Fund expenses exceed initial estimates, the Fund will owe the excess. The
Trustee has a lien on
 
                                       24
<PAGE>
Fund assets to secure reimbursement of Fund expenses and may sell bonds if cash
is not available.
 
PORTFOLIO CHANGES
 
The Sponsors and Trustee are not liable for any default or defect in a bond; if
a contract to buy any bond.
 
Unlike a mutual fund, the portfolio is designed to remain intact and we may keep
bonds in the portfolio even if their credit quality declines or other adverse
financial circumstances occur. However, we may sell a bond in certain cases if
we believe that certain adverse credit conditions exist or if a bond becomes
taxable.
 
If we maintain a secondary market in units but are unable to sell the units that
we buy in the secondary market, we will redeem units, which will affect the size
and composition of the portfolio. Units offered in the secondary market may not
represent the same face amount of bonds that they did originally.
 
We decide whether or not to offer units for sale that we acquire in the
secondary market after reviewing:
   o diversity of the portfolio;
   o size of the Fund relative to its original size;
   o ratio of Fund expenses to income;
   o current and long-term returns;
   o degree to which units may be selling at a premium over par; and
   o cost of maintaining a current prospectus.
 
FUND TERMINATION
 
The Fund will terminate following the stated maturity or sale of the last bond
in the portfolio. The Fund may also terminate earlier with the consent of
investors holding 51% of the units or if total assets of the Fund have fallen
below 40% of the face amount of bonds deposited. We will decide whether to
terminate the Fund early based on the same factors used in deciding whether or
not to offer units in the secondary market.
 
When the Fund is about to terminate you will receive a notice, and you will be
unable to sell your units after that time. On or shortly before termination, we
will sell any remaining bonds, and you will receive your final distribution. Any
bond that cannot be sold at a reasonable price may continue to be held by the
Trustee in a liquidating trust pending its final sale.
 
You will pay your share of the expenses associated with termination, including
brokerage costs in selling bonds. This may reduce the amount you receive as your
final distribution.
 
CERTIFICATES
 
Certificates for units are issued on request. You may transfer certificates by
complying with the requirements for redeeming certificates, described above. You
can replace lost or mutilated certificates by delivering satisfactory indemnity
and paying the associated costs.
 
TRUST INDENTURE
 
The Fund is a 'unit investment trust' governed by a Trust Indenture, a contract
among the Sponsors, the Trustee and the Evaluator, which sets forth their duties
and obligations and your rights. A copy of the Indenture is available to you on
request to the Trustee. The following summarizes certain provisions of the
Indenture.
 
                                       25
<PAGE>
The Sponsors and the Trustee may amend the Indenture without your consent:
   o to cure ambiguities;
   o to correct or supplement any defective or inconsistent provision;
   o to make any amendment required by any governmental agency; or
   o to make other changes determined not to be materially adverse to your best
     interest (as determined by the Sponsors).
Investors holding 51% of the units may amend the Indenture. Every investor must
consent to any amendment that changes the 51% requirement. No amendment may
reduce your interest in the Fund without your written consent.
 
The Trustee may resign by notifying the Sponsors. The Sponsors may remove the
Trustee without your consent if:
   o it fails to perform its duties and the Sponsors determine that its
     replacement is in your best interest; or
   o it becomes incapable of acting or bankrupt or its affairs are taken over by
      public authorities.
Investors holding 51% of the units may remove the Trustee. The Evaluator may
resign or be removed by the Sponsors and the Trustee without the consent of
investors. The resignation or removal of either becomes effective when a
successor accepts appointment. The Sponsors will try to appoint a successor
promptly; however, if no successor has accepted within 30 days after notice of
resignation, the resigning Trustee or Evaluator may petition a court to appoint
a successor.
 
Any Sponsor may resign as long as one Sponsor with a net worth of $2 million
remains and agrees to the resignation. The remaining Sponsors and the Trustee
may appoint a replacement. If there is only one Sponsor and it fails to perform
its duties or becomes bankrupt the Trustee may:
   o remove it and appoint a replacement Sponsor;
   o liquidate the Fund; or
   o continue to act as Trustee without a Sponsor.
 
Merrill Lynch, Pierce, Fenner & Smith Incorporated acts as agent for the
Sponsors.
 
The Trust Indenture contains customary provisions limiting the liability of the
Trustee, the Sponsors and the Evaluator.
 
LEGAL OPINION
 
Davis Polk & Wardwell, 450 Lexington Avenue, New York, New York 10017, as
counsel for the Sponsors, has given an opinion that the units are validly
issued. Special counsel located in the relevant states have given state and
local tax opinions.
 
AUDITORS
 
Deloitte & Touche LLP, 2 World Financial Center, New York, New York 10281,
independent accountants, audited the Statements of Condition included in this
prospectus.
 
SPONSORS
 
The Sponsors are:
 
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED (a wholly-owned subsidiary of
Merrill Lynch & Co., Inc.)
P.O. Box 9051,
Princeton, NJ 08543-9051
 
SALOMON SMITH BARNEY INC. (an indirectly wholly-owned subsidiary of The
Travelers Inc.)
 
                                       26
<PAGE>
388 Greenwich Street--23rd Floor,
New York, NY 10013
DEAN WITTER REYNOLDS INC. (a principal operating subsidiary of Morgan Stanley
Dean Witter & Co.)
Two World Trade Center--59th Floor,
New York, NY 10048
PRUDENTIAL SECURITIES INCORPORATED (an
indirect wholly-owned subsidiary of the
Prudential Insurance Company of America)
One New York Plaza
New York, NY 10292
PAINEWEBBER INCORPORATED (a wholly-owned subsidiary of PaineWebber Group Inc.)
1285 Avenue of the Americas,
New York, NY 10019
 
Each Sponsor is a Delaware corporation and it, or its predecessor, has acted as
sponsor to many unit investment trusts. As a registered broker-dealer each
Sponsor buys and sells securities (including investment company shares) for
others (including investment companies) and participates as an underwriter in
various selling groups.
 
TRUSTEE
 
The Chase Manhattan Bank, Unit Investment Trust Department, 4 New York
Plaza--6th Floor, New York, New York 10004, is the Trustee. It is supervised by
the Federal Deposit Insurance Corporation, the Board of Governors of the Federal
Reserve System and New York State banking authorities.
 
UNDERWRITERS' AND SPONSORS' PROFITS
 
Underwriters receive sales charges when they sell units. The Sponsors also
realized a profit or loss on the initial date of deposit of the bonds. Any cash
made available by you to the Sponsors before the settlement date for those units
may be used in the Sponsors' businesses to the extent permitted by federal law
and may benefit the Sponsors.
 
A Sponsor or Underwriter may realize profits or sustain losses on bonds in the
Fund which were acquired from underwriting syndicates of which it was a member.
 
In maintaining a secondary market, the Sponsors will also realize profits or
sustain losses in the amount of any difference between the prices at which they
buy units and the prices at which they resell or redeem them.
 
PUBLIC DISTRIBUTION
 
The Sponsors do not intend to qualify units for sale in any foreign countries.
This prospectus does not constitute an offer to sell units in any country where
units cannot lawfully be sold.
 
CODE OF ETHICS
 
Merrill Lynch, as agent for the Sponsors, has adopted a code of ethics requiring
preclearance and reporting of personal securities transactions by its employees
with access to information on portfolio transactions. The goal of the code is to
prevent fraud, deception or misconduct against the Fund and to provide
reasonable standards of conduct.
 
YEAR 2000 ISSUES
 
Many computer systems were designed in such a way that they may be unable to
distinguish between the year 2000 and the year 1900 (commonly known as the 'Year
2000 Problem'). We do not expect that the computer system changes necessary to
prepare for the Year 2000 will cause any major operational difficulties for the
Fund.
 
                                       27
<PAGE>
TAXES
 
The following summary describes some of the important income tax consequences of
holding units. It assumes that you are not a dealer, financial institution,
insurance company or other investor with special circumstances. You should
consult your own tax adviser about your particular circumstances.
 
At the date of issue of each bond, counsel for the issuer delivered an opinion
to the effect that interest on the bond is exempt from regular federal income
tax. However, interest may be subject to state and local taxes and federal
alternative minimum tax. Neither we nor our counsel have reviewed the issuance
of the bonds, related proceedings or the basis for the opinions of counsel for
the issuers. We cannot assure you that the issuer (or other users) have complied
or will comply with any requirements necessary for a bond to be tax-exempt. If
any of the bonds were determined not to be tax-exempt, you could be required to
pay income tax for current and prior years, and if the Fund were to sell the
bond, it might have to sell it at a substantial discount.
 
In the opinion of our counsel, under existing law:
 
GENERAL TREATMENT OF THE FUND AND YOUR INVESTMENT
 
The Fund will not be taxed as a corporation for federal income tax purposes, and
you will be considered to own directly your share of each bond in the Fund.
 
INCOME OR LOSS UPON DISPOSITION
 
When all or part of your share of a bond is disposed of (for example, when the
Fund sells, exchanges or redeems a bond or when you sell or exchange your
units), you will generally recognize capital gain or loss. Your gain, however,
will generally be ordinary income to the extent of any accrued 'market
discount'. Generally you will have market discount to the extent that your basis
in a bond when you purchase a unit is less than its stated redemption price at
maturity (or, if it is an original issue discount bond, the issue price
increased by original issue discount that has accrued on the bond before your
purchase). You should consult your tax adviser in this regard.
 
If your net long-term capital gains exceed your net short-term capital losses,
the excess may be subject to tax at a lower rate than ordinary income. Any
capital gain from the Fund will be long-term if you are considered to have held
your investment on each bond for more than one year and short-term if you held
it for one year or less. If you are an individual and sell your units after
holding them for more than one year, you may be entitled to a 20% maximum
federal tax rate on any resulting gains. Consult your tax adviser in this
regard. Because the deductibility of capital losses is subject to limitations,
you may not be able to deduct all of your capital losses.
 
YOUR BASIS IN THE BONDS
 
Your aggregate basis in the bonds will be equal to the cost of your units,
including any sales charges and the organizational expenses you pay, adjusted to
reflect any accruals of 'original issue discount,' 'acquisition
 
                                       28
<PAGE>
premium' and 'bond premium'. You should consult your tax adviser in this regard.
 
EXPENSES
 
If you are not a corporate investor, you will not be entitled to a deduction for
your share of fees and expenses of the Fund. Also, if you borrowed money in
order to purchase or carry your units, you will not be able to deduct the
interest on this borrowing for federal income tax purposes. The IRS may treat
your purchase of units as made with borrowed money even if the money is not
directly traceable to the purchase of units.
 
STATE AND LOCAL TAXES
 
Under the income tax laws of the State and City of New York, the Fund will not
be taxed as a corporation. If you are a New York taxpayer, your income from the
Fund will not be tax-exempt in New York except to the extent that the income is
earned on bonds that are tax-exempt for New York purposes. Depending on where
you live, your income from the Fund may be subject to state and local taxation.
You should consult your tax adviser in this regard.
 
ARIZONA TAXES
 
                             ARIZONA TAXES TO COME]
 
COLORADO TAXES
 
In the opinion of Becker Stowe & Lynch P.C., Denver, Colorado, special counsel
on Colorado tax matters:
 
1. The Colorado Trust will be treated as a trust and will not be taxable as a
corporation. Income of the Colorado Trust will be treated as income of its
investors in the same manner as for federal income tax purposes.
 
2. You will be treated as receiving your pro rata share of interest on each bond
in the Colorado Trust when it is received by the Colorado Trust. Interest on
bonds in the Colorado Trust that would be exempt from Colorado income tax if
paid directly to you will be treated as exempt from Colorado income tax when
received by the Colorado Trust and distributed to you.
 
3. You will be treated as recognizing gain or loss when the Colorado Trust
disposes of a bond or when you dispose of all or a portion of your units in the
Colorado Trust, whether by sale, exchange, redemption or payment at maturity, in
the same manner as for federal income tax purposes. The amount of such gain or
loss is determined by reference to the amount of such gain or loss for federal
income tax purposes.
 
4. Interest on indebtedness you incur or continue to purchase or carry units in
the Colorado Trust is not deductible for Colorado income tax purposes to the
extent it is not deductible for federal income tax purposes.
 
Under the income tax laws of Colorado, the Trust will not be taxed as a
corporation and the income of the Trust will be your income in proportion to
your ownership of units. Your interest income from bonds owned by the Trust is
exempt from Colorado income tax to the same extent as if it were paid directly
to you. If the Trust disposes of bonds, you will have a gain or loss in
proportion to your ownership of units in the Trust. If you borrow to purchase
units, you will probably not be able to deduct the interest you pay. You should
consult your tax adviser regarding these matters.
 
                                       29
<PAGE>
MICHIGAN TAXES
 
In the opinion of Miller, Canfield, Paddock and Stone, P.L.C. Bloomfield Hills,
Michigan, special counsel on Michigan tax matters:
 
Under the income tax laws of the State of Michigan, the Fund will not be taxed
as a corporation. If you are a Michigan taxpayer, your interest income from the
Fund will not be tax-exempt in Michigan except to the extent that the interest
is earned on bonds that are tax-exempt for Michigan purposes. Capital gain
distributions and capital gain or loss on your Fund units themselves will be
subject to Michigan income tax. Depending on where you live, your income from
the Fund may be subject to state and local taxation. You should consult your tax
adviser in this regard.
 
SUPPLEMENTAL INFORMATION
 
You can receive at no cost supplemental information about the Fund by calling
the Trustee. The supplemental information includes more detailed risk disclosure
about the types of bonds that may be in the Fund's portfolios, general risk
disclosure concerning any insurance securing certain bonds, and general
information about the structure and operation of the Fund. The supplemental
information is also available from the SEC.
 
                                       30

<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
MULTISTATE SERIES - 9I (ARIZONA, COLORADO,
MICHIGAN, AND NEW YORK TRUSTS)

REPORT OF INDEPENDENT ACCOUNTANTS

The Sponsors, Trustee and Holders
of Defined Asset Funds - Municipal Investment Trust Fund,
Multistate Series - 9I (Arizona, Colorado, Michigan and
New York Trusts):

We have audited the accompanying statements of condition of
Defined Asset Funds - Municipal Investment Trust Fund,
Multistate Series - 9I (Arizona, Colorado, Michigan and
New York Trusts), including the portfolios, as of August 31,
1998 and the related statements of operations and of changes
in net assets for the years ended August 31, 1998, 1997 and
1996. These financial statements are the responsibility of the
Trustee. Our responsibility is to express an opinion on these
financial statements based on our audits.

We conducted our audits 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. Securities owned at August 31,
1998, as shown in such portfolios, were confirmed to us by
The Chase Manhattan Bank, the Trustee. An audit also includes
assessing the accounting principles used and significant
estimates made by the Trustee, as well as evaluating the
overall financial statement presentation. We believe that
our audits provide 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 Defined Asset Funds - Municipal
Investment Trust Fund, Multistate Series - 9I (Arizona,
Colorado, Michigan and New York Trusts) at August 31, 1998
and the results of their operations and changes in their
net assets for the above-stated years in conformity with
generally accepted accounting principles.




DELOITTE & TOUCHE LLP

New York, N.Y.
October 12, 1998



                                D -  1.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (ARIZONA TRUST)



     STATEMENT OF CONDITION
     As of August 31, 1998

<TABLE>
     <S>                                               <C>             <C>
     TRUST PROPERTY:
       Investment in marketable securities -
          at value (cost $ 2,271,503 )(Note 1).........                $ 2,480,867
       Accrued interest ...............................                     28,284
       Cash - income ..................................                      4,635
       Cash - principal ...............................                      8,781
                                                                       -----------
         Total trust property .........................                  2,522,567

     LESS LIABILITY - Accrued Sponsors' fees ..........                        670
                                                                       -----------

     NET ASSETS, REPRESENTED BY:
       2,386 units of fractional undivided
          interest outstanding (Note 3)................$ 2,489,648

       Undistributed net investment income ............     32,249     $ 2,521,897
                                                       -----------     ===========

     UNIT VALUE ($ 2,521,897 / 2,386 units )...........                $  1,056.96
                                                                       ===========



</TABLE>




                  See Notes to Financial Statements.



                                D -  2.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (ARIZONA TRUST)



     STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     INVESTMENT INCOME:
       Interest income ........................$   156,476       $   173,523       $   201,210
       Trustee's fees and expenses ............     (4,194)           (4,460)           (4,860)
       Sponsors' fees .........................     (1,026)           (1,110)           (1,246)
                                               ------------------------------------------------
       Net investment income ..................    151,256           167,953           195,104
                                               ------------------------------------------------


     REALIZED AND UNREALIZED GAIN (LOSS)
       ON INVESTMENTS:
       Realized gain on
         securities sold or redeemed ..........     14,104            28,868            46,868
       Unrealized depreciation
         of investments .......................     (9,101)          (23,412)          (52,503)
                                               ------------------------------------------------
       Net realized and unrealized
         gain (loss) on investments ...........      5,003             5,456            (5,635)
                                               ------------------------------------------------


     NET INCREASE IN NET ASSETS
       RESULTING FROM OPERATIONS ..............$   156,259       $   173,409       $   189,469
                                               ================================================



</TABLE>




                  See Notes to Financial Statements.




                                D -  3.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (ARIZONA TRUST)



     STATEMENTS OF CHANGES IN NET ASSETS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     OPERATIONS:
       Net investment income ..................$   151,256       $   167,953       $   195,104
       Realized gain on
         securities sold or redeemed ..........     14,104            28,868            46,868
       Unrealized depreciation
         of investments .......................     (9,101)          (23,412)          (52,503)
                                               ------------------------------------------------
       Net increase in net assets
         resulting from operations ............    156,259           173,409           189,469
                                               ------------------------------------------------
     DISTRIBUTIONS TO HOLDERS (Note 2):
       Income  ................................   (151,305)         (168,368)         (195,392)
       Principal ..............................    (10,829)          (17,754)          (35,186)
                                               ------------------------------------------------
       Total distributions ....................   (162,134)         (186,122)         (230,578)
                                               ------------------------------------------------
     SHARE TRANSACTIONS:
       Redemption amounts - income ............     (2,357)           (4,544)           (6,353)
       Redemption amounts - principal .........   (182,075)         (375,324)         (509,882)
                                               ------------------------------------------------
       Total share transactions ...............   (184,432)         (379,868)         (516,235)
                                               ------------------------------------------------

     NET DECREASE IN NET ASSETS ...............   (190,307)         (392,581)         (557,344)

     NET ASSETS AT BEGINNING OF YEAR ..........  2,712,204         3,104,785         3,662,129
                                               ------------------------------------------------
     NET ASSETS AT END OF YEAR ................$ 2,521,897       $ 2,712,204       $ 3,104,785
                                               ================================================
     PER UNIT:
       Income distributions during
         year .................................$     60.80       $     61.39       $     62.22
                                               ================================================
       Principal distributions during
         year .................................$      4.23       $      6.35       $     11.37
                                               ================================================
       Net asset value at end of
         year .................................$  1,056.96       $  1,059.45       $  1,064.01
                                               ================================================
     TRUST UNITS:
       Redeemed during year ...................        174               358               478
       Outstanding at end of year .............      2,386             2,560             2,918
                                               ================================================

</TABLE>


                  See Notes to Financial Statements.

                                D -  4.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (ARIZONA TRUST)

     NOTES TO FINANCIAL STATEMENTS

1.   SIGNIFICANT ACCOUNTING POLICIES

     The Fund is registered under the Investment Company Act of 1940 as a Unit
     Investment Trust. The following is a summary of significant accounting
     policies consistently followed by the Fund in the preparation of its
     financial statements. The policies are in conformity with generally
     accepted accounting principles.

      (A)      Securities are stated at value as determined by the
               Evaluator based on bid side evaluations for the securities.
               See "How to Sell Units - Trustee's Redemption of Units"
               in this Prospectus, Part B.

      (B)      The Fund is not subject to income taxes. Accordingly, no
               provision for such taxes is required.

      (C)      Interest income is recorded as earned.

2.   DISTRIBUTIONS

     A distribution of net investment income is made to Holders each month.
     Receipts other than interest, after deductions for redemptions and
     applicable expenses, are distributed as explained in "Income, Distributions
     and Reinvestment - Distributions" in this Prospectus, Part B.

3.   NET CAPITAL
<TABLE>
     <S>                                                              <C>

          Cost of 2,386 units at Date of Deposit .....................$ 2,449,682
          Less sales charge ..........................................    110,235
                                                                      -----------
          Net amount applicable to Holders ...........................  2,339,447
          Redemptions of units - net cost of 1,314 units redeemed
            less redemption amounts (principal).......................   (108,461)
          Realized gain on securities sold or redeemed ...............    125,039
          Principal distributions ....................................    (75,741)
          Unrealized appreciation of investments......................    209,364
                                                                      -----------

          Net capital applicable to Holders ..........................$ 2,489,648
                                                                      ===========

</TABLE>

4.   INCOME TAXES

     As of August 31, 1998, unrealized appreciation of investments, based on
     cost for Federal income tax purposes, aggregated $209,364, all of which
     related to appreciated securities. The cost of investment securities for
     Federal income tax purposes was $2,271,503 at August 31, 1998.

                                D -  5.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (ARIZONA TRUST) (INSURED)

     PORTFOLIO
     As of August 31, 1998

<TABLE>
<CAPTION>

                                             Rating of                                            Optional
     Portfolio No. and Title of                Issues       Face                                 Redemption
            Securities                        (1) (4)       Amount    Coupon      Maturities(3) Provisions(3)    Cost      Value(2)
            ----------                       ---------  ----------- -----------   ------------  ------------  ----------  ---------


<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
   1 City of Chandler, AZ, G.O. Rfdg. Bonds,    AAA     $   500,000     7.000 %      2012      07/01/01     $   514,070 $   544,515
     Ser. 1991 (Financial Guaranty Ins.)                                                       @  101.000

   2 City of Chandler, AZ, Wtr. and Swr.        AAA         500,000     7.000        2012      07/01/01         514,070     544,515
     Rev. Rfdg. Bonds, Ser. 1991                                                               @  101.000
     (Financial Guaranty Ins.)

   3 The Indl. Dev. Auth. of the Cnty. of       AAA         175,000     6.000        2019      12/01/00         160,577     182,042
     Maricopa, AZ, Samaritan Hlth. Services,                                                   @  100.000
     Hosp. Sys. Rev. Rfdg. Bonds, Ser. B
     (MBIA Ins.)

   4 Pima Cnty., AZ, Swr. Rev. Rfdg. Bonds,     AAA          90,000     6.750        2015(5)   07/01/01          90,350      98,049
     Ser. 1991 (Financial Guaranty Ins.)                                                       @  101.000

                                                            235,000     6.750        2015      07/01/01         235,914     254,035
                                                                                               @  101.000

   5 Price-Elliott Research Park, Inc., AZ,     AAA          35,000     6.750        2011(5)   07/01/01          35,278      38,445
     State Univ. Research Park Dev. Rfdg.                                                      @  102.000
     Bonds, Ser. 1991 (MBIA Ins.)

   6 University Med. Ctr. Corp., Tucson, AZ,    AAA          95,000     6.875        2021(5)   07/01/01          96,326     104,586
     Hosp. Rev. Bonds, Ser. 1991 (MBIA Ins.)                                                   @  102.000

   7 Arizona Board of Regents, Univ. of AZ,     AAA         435,000     6.900        2016(5)   06/01/00         444,844     467,147
     Sys. Rev. Bonds, Ser. 1990 B (MBIA Ins.)                                                  @  102.000

   8 Commonwealth of Puerto Rico, Pub. Imp.     AAA         270,000     3.000        2006      Currently        180,074     247,533
     Rfdg. Bonds, Ser. 1987 (MBIA Ins.)

                                                          ---------                                           ---------   ---------
     TOTAL                                              $ 2,335,000                                         $ 2,271,503 $ 2,480,867
                                                          =========                                           =========   =========


                  See Notes to Portfolios on page D - 22.

</TABLE>




                                D -  6.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (COLORADO TRUST)



     STATEMENT OF CONDITION
     As of August 31, 1998

<TABLE>
     <S>                                               <C>             <C>
     TRUST PROPERTY:
       Investment in marketable securities -
          at value (cost $ 2,409,217 )(Note 1).........                $ 2,612,084
       Accrued interest ...............................                     52,636
       Cash - principal ...............................                      9,999
                                                                       -----------
         Total trust property .........................                  2,674,719


     LESS LIABILITIES:
       Income advance from Trustee.....................$     9,309
       Accrued Sponsors' fees .........................        698
       Income payments payable ........................      5,270              15,277
                                                       -----------     -----------


     NET ASSETS, REPRESENTED BY:
       2,482 units of fractional undivided
          interest outstanding (Note 3)................  2,622,083

       Undistributed net investment income ............     37,359     $ 2,659,442
                                                       -----------     ===========

     UNIT VALUE ($ 2,659,442 / 2,482 units )...........                $  1,071.49
                                                                       ===========



</TABLE>




                  See Notes to Financial Statements.




                                D -  7.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (COLORADO TRUST)



     STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     INVESTMENT INCOME:
       Interest income ........................$   169,877       $   188,886       $   204,774
       Trustee's fees and expenses ............     (4,335)           (4,549)           (4,870)
       Sponsors' fees .........................     (1,080)           (1,163)           (1,240)
                                               ------------------------------------------------
       Net investment income ..................    164,462           183,174           198,664
                                               ------------------------------------------------


     REALIZED AND UNREALIZED GAIN (LOSS)
       ON INVESTMENTS:
       Realized gain on
         securities sold or redeemed ..........     25,929            26,818            30,560
       Unrealized depreciation
         of investments .......................    (22,593)          (25,188)          (14,798)
                                               ------------------------------------------------
       Net realized and unrealized
          gain on investments .................      3,336             1,630            15,762
                                               ------------------------------------------------


     NET INCREASE IN NET ASSETS
       RESULTING FROM OPERATIONS ..............$   167,798       $   184,804       $   214,426
                                               ================================================



</TABLE>




                  See Notes to Financial Statements.



                                D - 8.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (COLORADO TRUST)



     STATEMENTS OF CHANGES IN NET ASSETS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     OPERATIONS:
       Net investment income ..................$   164,462       $   183,174       $   198,664
       Realized gain on
         securities sold or redeemed ..........     25,929            26,818            30,560
       Unrealized depreciation
         of investments .......................    (22,593)          (25,188)          (14,798)
                                               ------------------------------------------------
       Net increase in net assets
         resulting from operations ............    167,798           184,804           214,426
                                               ------------------------------------------------
     DISTRIBUTIONS TO HOLDERS (Note 2):
       Income  ................................   (164,949)         (183,098)         (198,900)
       Principal ..............................    (21,628)          (17,842)          (21,912)
                                               ------------------------------------------------
       Total distributions ....................   (186,577)         (200,940)         (220,812)
                                               ------------------------------------------------
     SHARE TRANSACTIONS:
       Redemption amounts - income ............     (3,486)           (4,800)           (3,153)
       Redemption amounts - principal .........   (277,232)         (327,679)         (241,097)
                                               ------------------------------------------------
       Total share transactions ...............   (280,718)         (332,479)         (244,250)
                                               ------------------------------------------------

     NET DECREASE IN NET ASSETS ...............   (299,497)         (348,615)         (250,636)

     NET ASSETS AT BEGINNING OF YEAR ..........  2,958,939         3,307,554         3,558,190
                                               ------------------------------------------------
     NET ASSETS AT END OF YEAR ................$ 2,659,442       $ 2,958,939       $ 3,307,554
                                               ================================================
     PER UNIT:
       Income distributions during
         year .................................$     63.04       $     63.54       $     63.73
                                               ================================================
       Principal distributions during
         year .................................$      8.06       $      5.97       $      6.91
                                               ================================================
       Net asset value at end of
         year .................................$  1,071.49       $  1,078.33       $  1,083.73
                                               ================================================
     TRUST UNITS:
       Redeemed during year ...................        262               308               223
       Outstanding at end of year .............      2,482             2,744             3,052
                                               ================================================

</TABLE>




                  See Notes to Financial Statements.

                                D -  9.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (COLORADO TRUST)

     NOTES TO FINANCIAL STATEMENTS

1.   SIGNIFICANT ACCOUNTING POLICIES

     The Fund is registered under the Investment Company Act of 1940 as a Unit
     Investment Trust. The following is a summary of significant accounting
     policies consistently followed by the Fund in the preparation of its
     financial statements. The policies are in conformity with generally
     accepted accounting principles.

      (A)      Securities are stated at value as determined by the
               Evaluator based on bid side evaluations for the securities.
               See "How to Sell Units - Trustee's Redemption of Units"
               in this Prospectus, Part B.

      (B)      The Fund is not subject to income taxes. Accordingly, no
               provision for such taxes is required.

      (C)      Interest income is recorded as earned.

2.   DISTRIBUTIONS

     A distribution of net investment income is made to Holders each month.
     Receipts other than interest, after deductions for redemptions and
     applicable expenses, are distributed as explained in "Income,
     Distributions and Reinvestment - Distributions" in this Prospectus, Part B.

3.   NET CAPITAL
<TABLE>
     <S>                                                              <C>

          Cost of 2,482 units at Date of Deposit .....................$ 2,569,590
          Less sales charge ..........................................    115,620
                                                                      -----------
          Net amount applicable to Holders ...........................  2,453,970
          Redemptions of units - net cost of 1,268 units redeemed
            less redemption amounts (principal).......................    (89,542)
          Realized gain on securities sold or redeemed ...............    117,584
          Principal distributions ....................................    (62,796)
          Unrealized appreciation of investments......................    202,867
                                                                      -----------

          Net capital applicable to Holders ..........................$ 2,622,083
                                                                      ===========

</TABLE>

4.   INCOME TAXES

     As of August 31, 1998, unrealized appreciation of investments, based on
     cost for Federal income tax purposes, aggregated $202,867, all of which
     related to appreciated securities. The cost of investment securities for
     Federal income tax purposes was $2,409,217 at August 31, 1998.






                           D - 10.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (COLORADO TRUST) (INSURED)

     PORTFOLIO
     As of August 31, 1998

<TABLE>
<CAPTION>

                                             Rating of                                            Optional
     Portfolio No. and Title of                Issues       Face                                 Redemption
            Securities                        (1) (4)       Amount    Coupon      Maturities(3) Provisions(3)    Cost      Value(2)
            ----------                       ---------  ----------- -----------   ------------  ------------  ----------  ---------


<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
   1 Colorado Hlth. Fac. Auth., Ins. Hosp.      AAA     $   120,000     6.250 %      2021(5)   02/15/01     $   113,091 $   129,076
     Rev. Bonds (PSL Healthcare Sys. Proj.),                                                   @  102.000
     Ser. 1991 A (FSA Ins.)

   2 Colorado Hlth. Fac. Auth., Rev. Bonds,     AAA         400,000     6.000        2013(5)   05/15/01         370,336     422,608
     Ser. 1991 A (Sisters of Charity Hlth.                                                     @  100.000
     Care Sys. Inc.) (MBIA Ins.)

   3 City of Colorado Springs, CO, Util.        AAA         260,000     6.750        2021      11/15/01         263,193     285,623
     Sys. Rev. Bonds, Ser. 1991 C                                                              @  102.000
     (MBIA Ins.)

   4 City and Cnty. of Denver, CO, Excise       AAA         500,000     6.500        2014      09/01/99         494,105     513,005
     Tax Rfdg. Rev. Bonds, Ser. 1989                                                           @  100.000
     (MBIA Ins.)

   5 School District No. 1 in the City and      AAA          60,000     6.500        2011(5)   12/01/01          59,328      65,532
     Cnty. of Denver, CO, Certs. of Part.                                                      @  101.000
     (CO Assoc. of Sch. Boards Lease
     Purchase Fin. Prog.), Ser. 1991 B
     (MBIA Ins.)

   6 School Dist. No. RE 1, Douglas and         AAA         155,000     6.800        2010(5)   12/15/01         156,685     169,488
     Elbert Counties, CO, G.O. Bonds,                                                          @  100.000
     Ser. 1991 A (Financial Guaranty Ins.)

   7 Douglas Cnty., CO, Douglas and Elbert      AAA         300,000     6.800        2011(5)   12/01/01         303,474     330,387
     Counties, Certs. of Part., Ser. D                                                         @  101.000
     (Financial Guaranty Ins.)

   8 Certs. of Part., Jefferson Cnty., CO,      AAA         380,000     7.125        2010(5)   12/01/01         393,262     422,172
     Jefferson Cnty. Fin. Corp. (MBIA Ins.)                                                    @  101.000

   9 Cnty. of Pueblo, CO, Ins. Hosp. Rfdg.      AAA         250,000     7.000        2009      09/01/01         255,743     274,193
     Rev. Bonds (Parkview Episcopal Med.                                                       @  101.000
     Ctr., Inc. Proj.), Ser. 1991 A
     (MBIA Ins.)

 <S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
                                                          ---------                                           ---------   ---------
     TOTAL                                              $ 2,425,000                                         $ 2,409,217 $ 2,612,084
                                                          =========                                           =========   =========


                  See Notes to Portfolios on page D - 22.

</TABLE>


                                D - 11.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (MICHIGAN TRUST)



     STATEMENT OF CONDITION
     As of August 31, 1998

<TABLE>
     <S>                                               <C>             <C>
     TRUST PROPERTY:
       Investment in marketable securities -
          at value (cost $ 3,892,710 )(Note 1).........                $ 4,251,623
       Accrued interest ...............................                     69,053
       Cash - income ..................................                        522
       Cash - principal ...............................                      9,704
                                                                       -----------
         Total trust property .........................                  4,330,902


     LESS LIABILITIES:
       Income advance from Trustee.....................$     9,360
       Accrued Sponsors' fees .........................      1,117          10,477
                                                       -----------     -----------


     NET ASSETS, REPRESENTED BY:
       3,959 units of fractional undivided
          interest outstanding (Note 3)................  4,261,327

       Undistributed net investment income ............     59,098     $ 4,320,425
                                                       -----------     ===========

     UNIT VALUE ($ 4,320,425 / 3,959 units )...........                $  1,091.29
                                                                       ===========



</TABLE>




                  See Notes to Financial Statements.



                                D - 12.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (MICHIGAN TRUST)



     STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     INVESTMENT INCOME:
       Interest income ........................$   278,626       $   295,646       $   309,292
       Trustee's fees and expenses ............     (5,442)           (5,646)           (5,931)
       Sponsors' fees .........................     (1,706)           (1,754)           (1,778)
                                               ------------------------------------------------
       Net investment income ..................    271,478           288,246           301,583
                                               ------------------------------------------------


     REALIZED AND UNREALIZED GAIN (LOSS)
       ON INVESTMENTS:
       Realized gain on
         securities sold or redeemed ..........     23,016            29,079            48,031
       Unrealized appreciation (depreciation)
         of investments .......................    (43,592)            6,713           (72,457)
                                               ------------------------------------------------
       Net realized and unrealized
         gain (loss) on investments ...........    (20,576)           35,792           (24,426)
                                               ------------------------------------------------


     NET INCREASE IN NET ASSETS
       RESULTING FROM OPERATIONS ..............$   250,902       $   324,038       $   277,157
                                               ================================================



</TABLE>




                  See Notes to Financial Statements.



                                D - 13.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (MICHIGAN TRUST)



     STATEMENTS OF CHANGES IN NET ASSETS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     OPERATIONS:
       Net investment income ..................$   271,478       $   288,246      $    301,583
       Realized gain on
         securities sold or redeemed ..........     23,016            29,079            48,031
       Unrealized appreciation (depreciation)
         of investments .......................    (43,592)            6,713           (72,457)
                                               ------------------------------------------------
       Net increase in net assets
         resulting from operations ............    250,902           324,038           277,157
                                               ------------------------------------------------
     DISTRIBUTIONS TO HOLDERS (Note 2):
       Income  ................................   (272,163)         (288,527)         (302,243)
       Principal ..............................    (16,793)           (3,056)          (20,215)
                                               ------------------------------------------------
       Total distributions ....................   (288,956)         (291,583)         (322,458)
                                               ------------------------------------------------
     SHARE TRANSACTIONS:
       Redemption amounts - income ............     (3,386)           (3,776)           (5,118)
       Redemption amounts - principal .........   (291,159)         (286,568)         (426,596)
                                               ------------------------------------------------
       Total share transactions ...............   (294,545)         (290,344)         (431,714)
                                               ------------------------------------------------

     NET DECREASE IN NET ASSETS ...............   (332,599)         (257,889)         (477,015)

     NET ASSETS AT BEGINNING OF YEAR ..........  4,653,024         4,910,913         5,387,928
                                               ------------------------------------------------
     NET ASSETS AT END OF YEAR ................$ 4,320,425       $ 4,653,024       $ 4,910,913
                                               ================================================
     PER UNIT:
       Income distributions during
         year .................................$     64.86       $     65.08       $     65.15
                                               ================================================
       Principal distributions during
         year .................................$      3.97       $      0.68       $      4.33
                                               ================================================
       Net asset value at end of
         year .................................$  1,091.29       $  1,100.01       $  1,092.77
                                               ================================================
     TRUST UNITS:
       Redeemed during year ...................        271               264               387
       Outstanding at end of year .............      3,959             4,230             4,494
                                               ================================================

</TABLE>


                  See Notes to Financial Statements.

                                D - 14.

<PAGE>

          DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
          MULTISTATE SERIES 9I (MICHIGAN TRUST)

          NOTES TO FINANCIAL STATEMENTS

1.   SIGNIFICANT ACCOUNTING POLICIES

     The Fund is registered under the Investment Company Act of 1940 as a Unit
     Investment Trust. The following is a summary of significant accounting
     policies consistently followed by the Fund in the preparation of its
     financial statements. The policies are in conformity with generally
     accepted accounting principles.

      (A)      Securities are stated at value as determined by the
               Evaluator based on bid side evaluations for the securities.
               See "How to Sell Units - Trustee's Redemption of Units"
               in this Prospectus, Part B.

      (B)      The Fund is not subject to income taxes. Accordingly, no
               provision for such taxes is required.

      (C)      Interest income is recorded as earned.

2.   DISTRIBUTIONS

     A distribution of net investment income is made to Holders each month.
     Receipts other than interest, after deductions for redemptions and
     applicable expenses, are distributed as explained in "Income,
     Distributions and Reinvestment - Distributions" in this Prospectus, Part B.

3.   NET CAPITAL
<TABLE>
     <S>                                                              <C>

          Cost of 3,959 units at Date of Deposit .....................$ 4,114,964
          Less sales charge ..........................................    185,172
                                                                      -----------
          Net amount applicable to Holders ...........................  3,929,792
          Redemptions of units - net cost of 1,041 units redeemed
            less redemption amounts (principal).......................   (101,108)
          Realized gain on securities sold or redeemed ...............    116,025
          Principal distributions ....................................    (42,295)
          Unrealized appreciation of investments......................    358,913
                                                                      -----------

          Net capital applicable to Holders ..........................$ 4,261,327
                                                                      ===========

</TABLE>

4.   INCOME TAXES

     As of August 31, 1998, unrealized appreciation of investments, based on
     cost for Federal income tax purposes, aggregated $358,913, all of which
     related to appreciated securities. The cost of investment securities for
     Federal income tax purposes was $3,892,710 at August 31, 1998.






                                D - 15.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (MICHIGAN TRUST) (INSURED)

     PORTFOLIO
     As of August 31, 1998

<TABLE>
<CAPTION>

                                             Rating of                                            Optional
     Portfolio No. and Title of                Issues       Face                                 Redemption
            Securities                        (1) (4)       Amount    Coupon      Maturities(3) Provisions(3)    Cost      Value(2)
            ----------                       ---------  ----------- -----------   ------------  ------------  ----------  ---------


<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
   1 Dearborn, MI, Econ. Dev. Corp., Hosp.      AAA     $   535,000     6.950 %      2021(5)   08/15/01     $   541,431 $   591,416
     Rev. Bonds (Oakwood Obligated Grp.),                                                      @  102.000
     Ser. A (MBIA Ins.)

   2 Michigan State Hosp. Fin. Auth., Hosp.     AAA         515,000     6.625        2010(5)   06/01/00         510,844     540,554
     Rev. Rdfg. Bonds (Mid Michigan                                                            @  100.000
     Obligated Grp.), Ser. 1989 (MBIA Ins.)

   3 Michigan Strategic Fund Ltd. Oblig.        AAA         750,000     6.950        2021      09/01/01         760,313     819,030
     Rfdg. Rev. Bonds (The Detroit Edison                                                      @  102.000
     Co. Poll. Ctl. Bonds Proj.) Coll.
     Ser. 1991 CC (Financial Guaranty Ins.)

   4 Romulus Cmnty. Schools, Cnty. of Wayne,    AAA         580,000     6.750        2020(5)   05/01/01         582,257     634,079
     MI, 1991 School Bldg. and Site Bonds,                                                     @  102.000
     Ser. I (FSA Ins.)

   5 City of Saginaw Hosp. Fin. Auth., MI,      AAA         750,000     6.750        2017      07/01/01         750,000     813,233
     Hosp. Rev. Bonds, Ser. 1991 D                                                             @  102.000
     (MBIA Ins.)

   6 City of Warren Bldg. Auth., Cnty. of       AAA         385,000     6.000        2016(5)   11/01/00         352,421     410,614
     Macomb, MI, Bldg. Auth. Bonds (Sr.                                                        @  102.000
     Hsg.), Ser. 1990 (FSAM Ins.)

   7 Charter Cnty. of Wayne, MI, Arpt. Rev.     AAA          30,000     6.750        2019(5)   12/01/01          30,119      33,249
     Bonds (Detroit Metro. Wayne Cnty.                                                         @  102.000
     Arpt.), Sub. Lien, Ser. 1991 A
     (MBIA Ins.)

   8 Board of Trustees of Western Michigan      AAA         375,000     6.500        2021(5)   07/15/01         365,325     409,448
     Univ., Gen. Rev. Bonds, Ser. 1991 A                                                       @  102.000
     (AMBAC INS.)

                                                          ---------                                           ---------   ---------
     TOTAL                                              $ 3,920,000                                         $ 3,892,710 $ 4,251,623
                                                          =========                                           =========   =========


                  See Notes to Portfolios on page D - 22.

</TABLE>


                                D - 16.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (NEW YORK TRUST)



     STATEMENT OF CONDITION
     As of August 31, 1998

<TABLE>
     <S>                                               <C>             <C>
     TRUST PROPERTY:
       Investment in marketable securities -
          at value (cost $ 8,655,904 )(Note 1).........                $ 9,264,849
       Accrued interest ...............................                    113,587
       Cash - income ..................................                     31,938
       Cash - principal ...............................                     32,985
                                                                       -----------
         Total trust property .........................                  9,443,359

     LESS LIABILITY - Accrued Sponsors' fees ..........                      2,552
                                                                       -----------

     NET ASSETS, REPRESENTED BY:
       9,794 units of fractional undivided
          interest outstanding (Note 3)................$ 9,297,834

       Undistributed net investment income ............    142,973     $ 9,440,807
                                                       -----------     ===========

     UNIT VALUE ($ 9,440,807 / 9,794 units )...........                $    963.94
                                                                       ===========



</TABLE>




                  See Notes to Financial Statements.



                                D - 17.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (NEW YORK TRUST)



     STATEMENTS OF OPERATIONS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     INVESTMENT INCOME:
       Interest income ........................$   619,225       $   666,963       $   780,448
       Trustee's fees and expenses ............     (9,506)          (10,044)          (11,392)
       Sponsors' fees .........................     (3,898)           (4,027)           (4,263)
                                               ------------------------------------------------
       Net investment income ..................    605,821           652,892           764,793
                                               ------------------------------------------------


     REALIZED AND UNREALIZED GAIN (LOSS)
       ON INVESTMENTS:
       Realized gain on
         securities sold or redeemed ..........     34,524            53,892           171,376
       Unrealized depreciation
         of investments .......................   (110,728)          (22,887)         (277,771)
                                               ------------------------------------------------
       Net realized and unrealized
         gain (loss) on investments ...........    (76,204)           31,005          (106,395)
                                               ------------------------------------------------


     NET INCREASE IN NET ASSETS
       RESULTING FROM OPERATIONS ..............$   529,617       $   683,897       $   658,398
                                               ================================================



</TABLE>





                  See Notes to Financial Statements.


                                D - 18.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (NEW YORK TRUST)



     STATEMENTS OF CHANGES IN NET ASSETS
<TABLE>
<CAPTION>


                                                          Years Ended August 31,
                                                   1998              1997              1996
                                                   ----              ----              ----

     <S>                                       <C>               <C>               <C>
     OPERATIONS:
       Net investment income ..................$   605,821       $   652,892       $   764,793
       Realized gain on
         securities sold or redeemed ..........     34,524            53,892           171,376
       Unrealized depreciation
         of investments .......................   (110,728)          (22,887)         (277,771)
                                               ------------------------------------------------
       Net increase in net assets
         resulting from operations ............    529,617           683,897           658,398
                                               ------------------------------------------------
     DISTRIBUTIONS TO HOLDERS (Note 2):
       Income  ................................   (606,650)         (653,106)         (769,686)
       Principal ..............................    (35,600)          (27,691)       (1,171,071)
                                               ------------------------------------------------
       Total distributions ....................   (642,250)         (680,797)       (1,940,757)
                                               ------------------------------------------------
     SHARE TRANSACTIONS:
       Redemption amounts - income ............    (10,511)          (13,862)          (12,068)
       Redemption amounts - principal .........   (719,311)         (912,576)         (913,163)
                                               ------------------------------------------------
       Total share transactions ...............   (729,822)         (926,438)         (925,231)
                                               ------------------------------------------------

     NET DECREASE IN NET ASSETS ...............   (842,455)         (923,338)       (2,207,590)

     NET ASSETS AT BEGINNING OF YEAR .......... 10,283,262        11,206,600        13,414,190
                                               ------------------------------------------------
     NET ASSETS AT END OF YEAR ................$ 9,440,807       $10,283,262       $11,206,600
                                               ================================================
     PER UNIT:
       Income distributions during
         year .................................$     58.98       $     59.35       $     64.14
                                               ================================================
       Principal distributions during
         year .................................$      3.41       $      2.49       $     99.28
                                               ================================================
       Net asset value at end of
         year .................................$    963.94       $    974.72       $    974.49
                                               ================================================
     TRUST UNITS:
       Redeemed during year ...................        756               950               877
       Outstanding at end of year .............      9,794            10,550            11,500
                                               ================================================

</TABLE>


                  See Notes to Financial Statements.

                                D - 19.

<PAGE>

          DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
          MULTISTATE SERIES 9I (NEW YORK TRUST)

          NOTES TO FINANCIAL STATEMENTS

1.   SIGNIFICANT ACCOUNTING POLICIES

     The Fund is registered under the Investment Company Act of 1940 as a Unit
     Investment Trust. The following is a summary of significant accounting
     policies consistently followed by the Fund in the preparation of its
     financial statements. The policies are in conformity with generally
     accepted accounting principles.

      (A)      Securities are stated at value as determined by the
               Evaluator based on bid side evaluations for the securities.
               See "How to Sell Units - Trustee's Redemption of Units"
               in this Prospectus, Part B.

      (B)      The Fund is not subject to income taxes. Accordingly, no
               provision for such taxes is required.

      (C)      Interest income is recorded as earned.

2.   DISTRIBUTIONS

     A distribution of net investment income is made to Holders each month.
     Receipts other than interest, after deductions for redemptions and
     applicable expenses, are distributed as explained in "Income,
     Distributions and Reinvestment - Distributions" in this Prospectus, Part B.

3.   NET CAPITAL
<TABLE>
     <S>                                                              <C>

          Cost of 9,794 units at Date of Deposit .....................$10,155,043
          Less sales charge ..........................................    456,976
                                                                      -----------
          Net amount applicable to Holders ...........................  9,698,067
          Redemptions of units - net cost of 4,706 units redeemed
            less redemption amounts (principal).......................   (184,636)
          Realized gain on securities sold or redeemed ...............    471,197
          Principal distributions .................................... (1,295,739)
          Unrealized appreciation of investments......................    608,945
                                                                      -----------

          Net capital applicable to Holders ..........................$ 9,297,834
                                                                      ===========

</TABLE>

4.   INCOME TAXES

     As of August 31, 1998, unrealized appreciation of investments, based on
     cost for Federal income tax purposes, aggregated $608,945, all of which
     related to appreciated securities. The cost of investment securities for
     Federal income tax purposes was $8,655,904 at August 31, 1998.



                                D - 20.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES 9I (NEW YORK TRUST) (INSURED)

     PORTFOLIO
     As of August 31, 1998

<TABLE>
<CAPTION>

                                             Rating of                                            Optional
     Portfolio No. and Title of                Issues       Face                                 Redemption
            Securities                        (1) (4)       Amount    Coupon      Maturities(3) Provisions(3)    Cost      Value(2)
            ----------                       ---------  ----------- -----------   ------------  ------------  ----------  ---------


<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
   1 Metro. Trans. Auth., NY, Transit Fac.      AAA     $ 1,355,000     5.500 %      2015      Currently    $ 1,162,766 $ 1,355,705
     Rev. Bonds, Ser. G (MBIA Ins.)

   2 The City of New York G.O. Bonds, Fiscal    AAA         125,000     7.000        2014(5)   06/01/01         127,992     137,239
     1991 Ser. B (AMBAC Ins.)                                                                  @  101.500

                                                             65,000     7.000        2014      06/01/01          66,555      70,846
                                                                                               @  101.500

   3 New York City Mun. Wtr. Fin. Auth.,        AAA       1,660,000     7.500        2019(5)   06/15/00       1,760,298   1,792,966
     Wtr. and Swr. Sys. Rev. Bonds, Ser. A                                                     @  101.500
     (Financial Guaranty Ins.)

   4 Dormitory Auth. of the State of New        AAA          70,000     7.250        2015(5)   05/15/00          72,890      75,459
     York, State Univ. Educl. Fac. Rev.                                                        @  102.000
     Bonds, Ser. 1989 B
     (Financial Guaranty Ins.)

   5 Triborough Bridge and Tunnel Auth., NY,    AAA         955,000     6.875        2015      01/01/01         960,444   1,032,260
     Spec. Oblig. Rfdg. Bonds, Ser. 1991 B                                                     @  102.000
     (Financial Guaranty Ins.)

   6 Dormitory Auth. of the State of New        AAA       1,110,000     6.750        2015      07/01/01       1,118,813   1,209,822
     York (Mt. Sinai Sch. of Medicine), Ins.                                                   @  102.000
     Rev. Bonds, Ser. 1991 (MBIA Ins.)

   7 New York State Med. Care Facs. Fin. Agy    AAA         700,000     7.200        2020      11/01/00         727,055     757,288
     (North Shore Univ. Hosp.), Mtge. Proj.                                                    @  102.000
     Rev. Bonds, 1990 Ser. A (MBIA Ins.)

   8 New York State Urban Dev. Corp., Corr.     AAA       1,270,000     7.500        2020(5)   01/01/00       1,344,461   1,357,528
     Cap. Fac. Rev. Bonds, Ser. 1 (FSA Ins.)                                                   @  102.000

   9 Triborough Bridge and Tunnel Auth., NY,    AAA       1,000,000     7.100        2010      01/01/01       1,031,180   1,086,100
     Special Oblig. Rdfg. Bonds, Ser. 1991 B                                                   @  102.000
     (AMBAC Ins.)

  10 Commonwealth of Puerto Rico, Pub. Imp.     AAA         425,000     3.000        2006      Currently        283,450     389,636
     Rfdg. Bonds, Ser. 1987 (MBIA Ins.)

<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
                                                          ---------                                           ---------   ---------
     TOTAL                                              $ 8,735,000                                         $ 8,655,904 $ 9,264,849
                                                          =========                                           =========   =========

                  See Notes to Portfolios on page D - 22.

</TABLE>


                                D - 21.

<PAGE>

     DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 9I (ARIZONA, COLORADO,
     MICHIGAN AND NEW YORK TRUSTS)

     NOTES TO PORTFOLIOS
     As of August 31, 1998
<TABLE><CAPTION>
<S>   <C>

(1)   The ratings of the bonds are by Standard & Poor's Ratings Group, or by Moody's
      Investors Service, Inc. if followed by "(m)", or by Fitch Investors Service,
      Inc. if followed by "(f)"; "NR" indicates that this bond is not currently rated
      by any of the above-mentioned rating services.  These ratings have been furnished
      by the Evaluator but not confirmed with the rating agencies.  See "Description of
      Ratings" in Part B of this Prospectus.

(2)              See Notes to Financial Statements.

(3)   Optional redemption provisions, which may be exercised in whole or in part,
      are initially at prices of par plus a premium, then subsequently at prices
      declining to par. Certain securities may provide for redemption at par prior
      or in addition to any optional or mandatory redemption dates or maturity, for
      example, through the operation of a maintenance and replacement fund, if
      proceeds are not able to be used as contemplated, the project is condemned or
      sold or the project is destroyed and insurance proceeds are used to redeem
      the securities. Many of the securities are also subject to mandatory sinking
      fund redemption commencing on dates which may be prior to the date on which
      securities may be optionally redeemed. Sinking fund redemptions are at par
      and redeem only part of the issue. Some of the securities have mandatory
      sinking funds which contain optional provisions permitting the issuer to
      increase the principal amount of securities called on a mandatory redemption
      date. The sinking fund redemptions with optional provisions may, and optional
      refunding redemptions generally will, occur at times when the redeemed
      securities have an offering side evaluation which represents a premium over
      par. To the extent that the securities were acquired at a price higher than
      the redemption price, this will represent a loss of capital when compared
      with the Public Offering Price of the Units when acquired. 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 Holders any principal amount and premium received on such redemption after
      satisfying any redemption requests for Units received by the Fund. The
      estimated current return may be affected by redemptions. The tax effect on
      Holders of redemptions and related distributions is described under "Taxes"
      in this Prospectus, Part B.

(4)   All securities are insured, either on an individual basis or by portfolio
      insurance, by a municipal bond insurance company which has been assigned
      "AAA" claims paying ability by Standard & Poor's. Accordingly, Standard &
      Poor's has assigned a "AAA" rating to the securities. Securities covered by
      portfolio insurance are rated "AAA" only as long as they remain in the Trust.
      See "Risk Factors - Bonds Backed by Letters of Credit or Insurance" in this
      Prospectus, Part B.

(5)   Bonds with an aggregate face amount of $ 655,000 of the Arizonia Trust,
      $ 1,415,000 of the Colorado Trust, $ 2,420,000 of the Michigan Trust and
      $ 3,125,000 of the New York Trust have been pre-refunded and are expected
      to be called for redemption on the optional redemption provision dates shown.

</TABLE>

                                D - 22.




<PAGE>
                             Defined
                             Asset FundsSM
 

HAVE QUESTIONS ?                         MUNICIPAL INVESTMENT TRUST FUND
Request the most                         MULTISTATE SERIES--9I
recent free Information                  (A Unit Investment Trust)
Supplement that gives more               ---------------------------------------
details about the Fund,                  This Prospectus does not contain
by calling:                              complete information about the
The Chase Manhattan Bank                 investment company filed with the
1-800-323-1508                           Securities and Exchange Commission in
                                         Washington, D.C. under the:
                                         o Securities Act of 1933 (file no.
                                         33-42204) and
                                         o Investment Company Act of 1940 (file
                                         no. 811-1777).
                                         TO OBTAIN COPIES AT PRESCRIBED RATES--
                                         WRITE: Public Reference Section of the
                                         Commission
                                         450 Fifth Street, N.W., Washington,
                                         D.C. 20549-6009
                                         CALL: 1-800-SEC-0330.
                                         VISIT: http://www.sec.gov.
                                         ---------------------------------------
                                         No person is authorized to give any
                                         information or representations about
                                         this Fund not contained in this
                                         Prospectus or the Information
                                         Supplement, and you should not rely on
                                         any other information.
                                         ---------------------------------------
                                         When units of this Fund are no longer
                                         available, this Prospectus may be used
                                         as a preliminary prospectus for a
                                         future series, but some of the
                                         information in this Prospectus will be
                                         changed for that series.
                                         Units of any future series may not be
                                         sold nor may offers to buy be accepted
                                         until that series has become effective
                                         with the Securities and Exchange
                                         Commission. No units can be sold in any
                                         State where a sale would be illegal.

 
                                                     14017--11/98


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