MUNICIPAL INVESTMENT TR FD MULTISTATE SER 403 DEF ASSET FDS
497, 2001-01-19
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                           DEFINED ASSET FUNDS-REGISTERED TRADEMARK-
                           ----------------------------------------------------

                           MUNICIPAL INVESTMENT TRUST FUND
                           MULTISTATE SERIES--403
                           (A UNIT INVESTMENT TRUST)

                           -  CALIFORNIA AND FLORIDA PORTFOLIOS
                           -  PORTFOLIOS OF INSURED LONG-TERM MUNICIPAL BONDS
                           -  DESIGNED TO BE FREE OF REGULAR FEDERAL INCOME TAX
                           -  EXEMPT FROM SOME STATE TAXES
                           -  DISTRIBUTIONS TWICE A YEAR

SPONSORS:
MERRILL LYNCH,             -----------------------------------------------------
PIERCE, FENNER & SMITH     The Securities and Exchange Commission has not
INCORPORATED               approved or disapproved these Securities or passed
SALOMON SMITH BARNEY INC.  upon the adequacy of this prospectus. Any
PAINEWEBBER INCORPORATED   representation to the contrary is a criminal offense.
DEAN WITTER REYNOLDS INC.  Prospectus dated January 19, 2001.

<PAGE>
--------------------------------------------------------------------------------

Defined Asset Funds-Registered Trademark-
Defined Asset Funds-Registered Trademark- is America's oldest and largest family
of unit investment trusts, with over $195 billion sponsored over the last 30
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:
   - A Disciplined strategy of buying and holding with a long-term view is the
     cornerstone of Defined Asset Funds.
   - Fixed portfolio: Defined Funds follow a buy and hold investment strategy;
     funds are not managed and portfolio changes are limited.
   - Defined Portfolios: We choose the stocks and bonds in advance, so you know
     what you're investing in.
   - Professional research: Our dedicated research team seeks out stocks or
     bonds appropriate for a particular fund's objectives.
   - 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 OCTOBER 31, 2000, THE
EVALUATION DATE.

CONTENTS

<TABLE>
<CAPTION>
                                                    PAGE
                                                    ----
<S>                                                 <C>
California Insured Portfolio--
  Risk/Return Summary.............................    3
Florida Insured Portfolio--
  Risk/Return Summary.............................    6
What You Can Expect From Your Investment..........   10
  Income Twice A Year.............................   10
  Return Figures..................................   10
  Records and Reports.............................   10
The Risks You Face................................   11
  Interest Rate Risk..............................   11
  Call Risk.......................................   11
  Reduced Diversification Risk....................   11
  Liquidity Risk..................................   11
  Concentration Risk..............................   11
  State Concentration Risk........................   12
  Bond Quality Risk...............................   13
  Insurance Related Risk..........................   13
  Litigation and Legislation Risks................   14
Selling or Exchanging Units.......................   14
  Sponsors' Secondary Market......................   14
  Selling Units to the Trustee....................   14
  Exchange Option.................................   15
How The Fund Works................................   15
  Pricing.........................................   15
  Evaluations.....................................   16
  Income..........................................   16
  Expenses........................................   16
  Portfolio Changes...............................   17
  Fund Termination................................   17
  Certificates....................................   17
  Trust Indenture.................................   17
  Legal Opinion...................................   18
  Auditors........................................   18
  Sponsors........................................   18
  Trustee.........................................   19
  Underwriters' and Sponsors' Profits.............   19
  Public Distribution.............................   19
  Code of Ethics..................................   19
Taxes.............................................   19
Supplemental Information..........................   21
Financial Statements..............................  D-1
</TABLE>

                                       2
<PAGE>
--------------------------------------------------------------------------------

CALIFORNIA 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?
 - The Fund plans to hold to maturity 10 long-term tax-exempt municipal bonds
   with an aggregate face amount of $4,940,000.

 - The Fund is a unit investment trust which means that, unlike a mutual fund,
   the Portfolio is not managed.

 - The bonds are rated AAA or Aaa by Standard & Poor's, Moody's or Fitch.

 - 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.

 - 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:

<TABLE>
<CAPTION>
                                                    APPROXIMATE
                                                     PORTFOLIO
                                                    PERCENTAGE
<S>                                                 <C>
/ /Airports/Ports/Highways                                 8%
/ /General Obligation                                      6%
/ /Hospitals/Health Care                                  17%
/ /Lease Rental                                           13%
/ /Municipal Water/Sewer Utilities                        36%
/ /Stadiums/Recreation Facilities Convention
Centers                                                   20%
</TABLE>

 4. WHAT ARE THE SIGNIFICANT RISKS?
   YOU CAN LOSE MONEY BY INVESTING IN THE FUND. THIS CAN HAPPEN FOR VARIOUS
   REASONS, INCLUDING:

 - Rising interest rates, an issuer's worsening financial condition or a drop in
   bond ratings can reduce the price of your units.

 - Because the Portfolio is concentrated in municipal water/sewer utility bonds,
   adverse developments in this sector may affect the value of your units.

 - 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.

 - 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 CALIFORNIA SO IT IS LESS
   DIVERSIFIED THAN A NATIONAL FUND AND IS SUBJECT TO RISKS PARTICULAR TO
   CALIFORNIA 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 insured 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

<TABLE>
<S>                                                 <C>
WHAT YOU MAY EXPECT (Payable on the 25th day of
each May and November to holders of record on the
10th day of the month):
Regular Semi-annual Income per 1,000 units:         $23.90
Annual Income per 1,000 units:                      $47.80
THESE FIGURES ARE ESTIMATES DETERMINED ON THE EVALUATION
DAY; ACTUAL PAYMENTS MAY VARY.
</TABLE>

 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.

<TABLE>
<S>                                                 <C>
INVESTOR FEES
Maximum Sales Fee (Load) on new
purchases (as a percentage of
$1,000 invested)                                    2.90%
</TABLE>

   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:

<TABLE>
<CAPTION>
                                                    YOUR MAXIMUM
                                                     SALES FEE
                  IF YOU INVEST:                      WILL BE:
                  --------------                    ------------
<S>                                                 <C>
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%
</TABLE>

   ESTIMATED ANNUAL FUND OPERATING EXPENSES

<TABLE>
<CAPTION>
                                                        AMOUNT
                                                    PER 1,000 UNITS
                                                    ---------------
<S>                                                 <C>
Trustee's Fee                                            $0.64
Portfolio Supervision,
 Bookkeeping and
 Administrative Fees
 (including updating
 expenses)                                               $0.56
Evaluator's Fee                                          $0.22
Other Operating Expenses                                 $0.56
                                                         -----
TOTAL                                                    $1.98
</TABLE>

   The Sponsors historically paid updating expenses.

 7. HOW HAVE SIMILAR FUNDS PERFORMED IN THE PAST?
   In the following chart we show past performance of prior California
   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 California Series were offered after
   1987 and were outstanding on December 31, 2000. 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 12/31/00.

<TABLE>
<CAPTION>
                    WITH SALES FEE                    NO SALES FEE
               1 YEAR     5 YEARS  10 YEARS     1 YEAR     5 YEARS  10 YEARS
<S>         <C>           <C>      <C>       <C>           <C>      <C>
----------------------------------------------------------------------------
High              14.64%   4.86%     5.84%         17.82%   6.04%     6.43%
Average            8.23    4.18      5.71          10.70    5.26      6.30
Low                2.91    2.97      5.60           4.35    3.71      6.19
----------------------------------------------------------------------------
Average
Sales fee          2.28%   5.29%     5.82%
----------------------------------------------------------------------------
</TABLE>

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 one unit.

   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.

<TABLE>
<S>                                                 <C>
UNIT PRICE PER 1,000 UNITS                          $976.15
(as of October 31, 2000)
</TABLE>

   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.

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 twice a year.

   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 California state and local personal
   income taxes if you live in California.

   You will also receive principal payments if bonds are sold or called or
   mature, when the cash available is more than $10.00 per 1,000 units. 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>
--------------------------------------------------------------------------------

FLORIDA 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?
 - The Fund plans to hold to maturity 9 long-term tax-exempt municipal bonds
   with an aggregate face amount of $3,505,000.

 - The Fund is a unit investment trust which means that, unlike a mutual fund,
   the Portfolio is not managed.

 - The bonds are rated AAA or Aaa by Standard & Poor's, Moody's or Fitch.

 - 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.

 - 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:

<TABLE>
<CAPTION>
                                                    APPROXIMATE
                                                     PORTFOLIO
                                                    PERCENTAGE
<S>                                                 <C>
/ /General Obligation                                     17%
/ /Hospitals/Health Care                                  34%
/ /Lease Rental                                            1%
/ /Municipal Water/Sewer Utilities                        17%
/ /Special Tax Issues                                     14%
/ /Municipal Electric Utilities                           16%
/ /Stadiums/Recreational Facilities/ Convention
Centers                                                    1%
</TABLE>

 4. WHAT ARE THE SIGNIFICANT RISKS?
   YOU CAN LOSE MONEY BY INVESTING IN THE FUND. THIS CAN HAPPEN FOR VARIOUS
   REASONS, INCLUDING:

 - Rising interest rates, an issuer's worsening financial condition or a drop in
   bond ratings can reduce the price of your units.

 - Because the Portfolio is concentrated in hospital/health care bonds, adverse
   developments in this sector may affect the value of your units.

 - 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.

 - 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 FLORIDA SO IT IS LESS
   DIVERSIFIED THAN A NATIONAL FUND AND IS SUBJECT TO RISKS PARTICULAR TO
   FLORIDA 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 insured 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

<TABLE>
<S>                                                 <C>
What You May Expect (Payable on the 25th day of
each May and November to holders of record on the
10th day of the month):
Regular Semi-annual Income per 1,000 units:         $23.47
Annual Income per 1,000 units:                      $46.94
THESE FIGURES ARE ESTIMATES DETERMINED ON THE EVALUATION
DAY; ACTUAL PAYMENTS MAY VARY.
</TABLE>

 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.

<TABLE>
<S>                                                 <C>
INVESTOR FEES
Maximum Sales Fee (Load) on new
purchases (as a percentage of
$1,000 invested)                                    2.90%
</TABLE>

   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:

<TABLE>
<CAPTION>
                                                    YOUR MAXIMUM
                                                     SALES FEE
                  IF YOU INVEST:                      WILL BE:
                  --------------                    ------------
<S>                                                 <C>
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%
</TABLE>

   ESTIMATED ANNUAL FUND OPERATING EXPENSES

<TABLE>
<CAPTION>
                                                        AMOUNT
                                                    PER 1,000 UNITS
                                                    ---------------
<S>                                                 <C>
Trustee's Fee                                            $0.63
Portfolio Supervision,
 Bookkeeping and
 Administrative Fees
 (including updating
 expenses)                                               $0.55
Evaluator's Fee                                          $0.33
Other Operating Expenses                                 $0.66
                                                         -----
TOTAL                                                    $2.17
</TABLE>

   The Sponsors historically paid updating expenses.

 7. HOW HAVE SIMILAR FUNDS PERFORMED IN THE PAST?
   In the following chart we show past performance of prior Florida 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 Florida Series were offered between after 1987
   and were outstanding on December 31, 2000. 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 12/31/00.

<TABLE>
<CAPTION>
                 WITH SALES FEE               NO SALES FEE
            1 YEAR  5 YEARS  10 YEARS  1 YEAR   5 YEARS  10 YEARS
<S>         <C>     <C>      <C>       <C>      <C>      <C>
-----------------------------------------------------------------
High        14.54%   4.76%     6.09%   17.91%    5.61%     6.68%
Average      8.10    4.01      5.78    10.45     5.07      6.37
Low          1.55    2.77      5.37     4.32     3.79      5.96
-----------------------------------------------------------------
Average
Sales fee    2.16%   5.09%     5.82%
-----------------------------------------------------------------
</TABLE>

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.

                                       7
<PAGE>
 9. HOW DO I BUY UNITS?
   The minimum investment is one unit.

   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.

<TABLE>
<S>                                                 <C>
UNIT PRICE PER 1,000 UNITS                          $929.69
(as of October 31, 2000)
</TABLE>

   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.

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 twice a year.

   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 Florida state and local taxes if you
   live in Florida.

   You will also receive principal payments if bonds are sold or called or
   mature, when the cash available is more than $10.00 per 1,000 units. 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.

                                       8
<PAGE>
--------------------------------------------------------------------------------
    TAX-FREE VS. TAXABLE INCOME: A COMPARISON OF TAXABLE AND TAX-FREE YIELDS

                            FOR CALIFORNIA RESIDENTS
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                    COMBINED
                                    EFFECTIVE
       TAXABLE INCOME 2001*         TAX RATE                            TAX-FREE YIELD OF
SINGLE RETURN       JOINT RETURN        %       3%    3.5%    4%     4.5%     5%     5.5%     6%     6.5%     7%     7.5%     8%
                                                               IS EQUIVALENT TO A TAXABLE YIELD OF
----------------------------------------------------------------------------------------------------------------------------------
<S>               <C>               <C>        <C>    <C>    <C>    <C>     <C>     <C>     <C>     <C>     <C>     <C>     <C>
$      0- 26,250  $      0- 43,050     20.10   3.75   4.38   5.01    5.63    6.26    6.88    7.51    8.14    8.76    9.39   10.01
$ 26,251- 63,550  $ 43,851-105,950     34.70   4.59   5.36   6.13    6.89    7.66    8.42    9.19    9.95   10.72   11.48   12.25
$ 63,551-132,600  $105,951-161,450     37.42   4.79   5.59   6.39    7.19    7.99    8.79    9.59   10.39   11.19   11.98   12.78
$132,601-288,350  $161,451-288,350     41.95   5.17   6.03   6.89    7.75    8.61    9.47   10.34   11.20   12.06   12.92   13.78
   OVER $288,350     OVER $288,350     45.22   5.48   6.39   7.30    8.21    9.13   10.04   10.95   11.87   12.78   13.69   14.60
</TABLE>

                             FOR FLORIDA RESIDENTS
--------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                      EFFECTIVE
       TAXABLE INCOME 2001*            TAX RATE                     TAX-FREE YIELD OF
SINGLE RETURN       JOINT RETURN          %            3%       3.5%       4%       4.5%        5%
                                                           IS EQUIVALENT TO A TAXABLE YIELD OF
------------------------------------------------------------------------------------------------------
<S>               <C>               <C>             <C>       <C>       <C>       <C>        <C>
$      0- 26,250  $      0- 43,850         15.00      3.53      4.12      4.71       5.29       5.88
$ 26,251- 63,550  $ 43,851-105,950         28.00      4.17      4.86      5.56       6.25       6.94
$ 63,551-132,600  $105,951-161,450         31.00      4.35      5.07      5.80       6.52       7.25
$132,601-288,350  $161,451-288,350         36.00      4.69      5.47      6.25       7.03       7.81
   OVER $288,350     OVER $288,350         39.60      4.97      5.79      6.62       7.45       8.28

<CAPTION>

       TAXABLE I              TAX-FREE YIELD OF
SINGLE RETURN       5.5%        6%        6.5%        7%
                     IS EQUIVALENT TO A TAXABLE YIELD OF
----------------  ------------------------------------------
<S>               <C>        <C>        <C>        <C>
$      0- 26,250     6.47       7.06       7.65       8.24
$ 26,251- 63,550     7.64       8.33       9.03       9.72
$ 63,551-132,600     7.97       8.70       9.42      10.14
$132,601-288,350     8.59       9.38      10.16      10.94
   OVER $288,350     9.11       9.93      10.76      11.59
</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 2001
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.

                                       9
<PAGE>
WHAT YOU CAN EXPECT FROM YOUR INVESTMENT

INCOME TWICE A YEAR

The Fund will pay you regular semi-annual income. Your income may vary because
of:

  - elimination of one or more bonds from the Fund's portfolio because of calls,
    redemptions or sales;
  - a change in the Fund's expenses; or
  - 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):

<TABLE>
<S>               <C><C>
Estimated Annual  -     Estimated
Interest Income      Annual Expenses
------------------------------------
             Unit Price
</TABLE>

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:

- a statement of income payments and any principal payments;
- a notice from the Trustee when new bonds are deposited in exchange or
  substitution for bonds originally deposited;
- an annual report on Fund activity; and
- 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:

- copies of bond evaluations to enable you to comply with federal and state tax
  reporting requirements; and
- audited financial statements of the Fund.

You may inspect records of Fund transactions at the Trustee's office during
regular business hours.

                                       10
<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:

  - it no longer needs the money for the original purpose;
  - the project is condemned or sold;
  - the project is destroyed and insurance proceeds are used to redeem the
    bonds;
  - any related credit support expires and is not replaced; or
  - interest on the bonds become taxable.

If the bonds are called, 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. 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 Florida Portfolio's concentration in
hospital and health care bonds.

  - payment for these bonds depends on revenues from private third-party payors
    and government programs, including Medicare and Medicaid, which have
    generally undertaken cost containment measures to limit payments to health
    care providers;
  - hospitals face increasing competition resulting from hospital mergers and
    affiliations;
  - hospitals need to reduce costs as HMOs increase market penetration and

                                       11
<PAGE>
    hospital supply and drug companies raise prices;
  - hospitals and health care providers are subject to various legal claims by
    patients and others and are adversely affected by increasing costs of
    insurance; and
  - many hospitals are aggressively buying physician practices and assuming risk
    contracts to gain market share. If revenues do not increase accordingly,
    this practice could reduce profits;
  - Medicare is changing its reimbursement system for nursing homes. Many
    nursing home providers are not sure how they will be treated. In many cases,
    the providers may receive lower reimbursements and these would have to cut
    expenses to maintain profitability; and
  - most retirement/nursing home providers rely on entrance fees for operating
    revenues. If people live longer than expected and turnover is lower than
    budgeted, operating revenues would be adversely affected by less than
    expected entrance fees.

Here is what you should know about the California 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 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:

  - increases in operating and construction costs; and
  - unpredicability of future usage requirements.

Changes to the portfolio from bond redemptions, maturities and sales may affect
the Fund's concentrations over time.

STATE CONCENTRATION RISK

CALIFORNIA RISKS

GENERALLY

From the late 1980s through the early 1990s, an economic recession eroded
California's revenue base. At the same time rapid population growth caused State
expenditures to exceed budget appropriations.

  - As a result California experienced a period of sustained budget imbalance.
  - Since that time the California economy has improved markedly and the extreme
    budgetary pressures have begun to lessen.

STATE GOVERNMENT

The 1999-2000 Budget Act allocated a State budget of approximately $63.7 Billion
and contains no tax increases or reductions. Despite this somewhat improved
state, California's budget is still subject to certain unforeseeable events. For
example:

  - In December, 1994, Orange County and its investment pool filed for
    bankruptcy. While a settlement has been reached, the full impact on the
    State and Orange County remains unknown.
  - California faces constant fluctuations in other expenses (including health
    and

                                       12
<PAGE>
    welfare caseloads, property tax receipts, federal funding and natural
    disaster relief) that will undoubtedly create new budgetary pressure and
    reduce ability to pay their debts.
  - California's general obligation bonds are currently rated AA3 by Moody's and
    AA- by Standard & Poor's.

OTHER RISKS

Issuers' ability to make payments on bonds (and the remedies available to
bondholders) could also be adversely affected by the following constraints:

  - Certain provisions of California's Constitution, laws and regulatory system
    contain tax, spending and appropriations limits and prohibit certain new
    taxes.
  - Certain other California laws subject the users of bond proceeds to strict
    rules and limits regarding revenue repayment.
  - Bonds of healthcare institutions which are subject to the strict rules and
    limits regarding reimbursement payments of California's Medi-Cal program for
    health care services to welfare recipients and bonds secured by liens on
    real property are two of the types of bonds that could be affected by these
    provisions.

FLORIDA RISKS

GENERALLY

Florida's financial condition is affected by numerous national, economic, social
and environmental policies and conditions. For example:

  - south Florida is heavily involved with foreign tourism, trade and investment
    capital. As a result, the region is susceptible to international trade and
    currency imbalances and economic problems in Central and South America;
  - central and northern Florida are more vulnerable to agricultural problems,
    such as crop failures or severe weather conditions, especially in the citrus
    and sugar industries; and
  - the state as a whole is also very dependent on tourism and construction.

STATE AND LOCAL GOVERNMENT

The state of Florida and its local governments are restricted in their ability
to raise taxes and incur debts. These restrictions limit their ability to
generate revenue, and so could hurt their ability to pay debts.

General obligations of the state are rated Aa2 by Moody's, AA+ by Standard &
Poor's and AA by Fitch.

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
                                       13
<PAGE>
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:

  - limiting real property taxes,
  - reducing tax rates,
  - imposing a flat or other form of tax, or
  - 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:

  - ADDING the value of the bonds, net accrued interest, cash and any other Fund
    assets;
  - 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
  - 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.

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 30 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.

                                       14
<PAGE>
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.

If you acquire 25% or more of the outstanding units of the Fund and you sell
units with a value exceeding $250,000, the Trustee may choose to pay you "in
kind" by distributing bonds and cash with a total value equal to the price of
those units. The Trustee will try to distribute bonds in the portfolio pro rata,
but it reserves the right to distribute only one or a few bonds. The Trustee
will act as your agent in an in kind distribution and will either hold the bonds
for your account or sell them as you instruct. You must pay any transaction
costs as well as transfer and ongoing custodial fees on sales of bonds
distributed in kind.

There could be a delay in paying you for your units:

  - if the New York Stock Exchange is closed (other than customary weekend and
    holiday closings);
  - 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
  - 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. In addition, you may exchange into this Fund from certain other
Defined Asset Funds and unit trusts. 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.

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 income. When you sell your units you will receive your
share of this cash.

In addition, as with mutual funds, the Fund (and therefore the investors) pay
all or

                                       15
<PAGE>
some of the costs of organizing the Fund including:

  - cost of initial preparation of legal documents;
  - federal and state registration fees;
  - initial fees and expenses of the Trustee;
  - initial audit; and
  - legal expenses and other out-of-pocket expenses.

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:

  - to reimburse the Trustee for the Fund's operating expenses;
  - for extraordinary services and costs of indemnifying the Trustee and the
    Sponsors;
  - costs of actions taken to protect the Fund and other legal fees and
    expenses;
  - expenses for keeping the Fund's registration statement current; and
  - Fund termination expenses and any governmental charges.

The Sponsors are currently reimbursed up to 55 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. Legal,
typesetting, electronic filing and regulatory filing fees and expenses
associated with updating the Portfolio's registration statement yearly are also
now chargeable to the Portfolio. 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 Fund assets to secure reimbursement

                                       16
<PAGE>
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 may affect the
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:

  - diversity of the portfolio;
  - size of the Fund relative to its original size;
  - ratio of Fund expenses to income;
  - current and long-term returns;
  - degree to which units may be selling at a premium over par; and
  - 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.

                                       17
<PAGE>
The Sponsors and the Trustee may amend the Indenture without your consent:

  - to cure ambiguities;
  - to correct or supplement any defective or inconsistent provision;
  - to make any amendment required by any governmental agency; or
  - 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:

  - it fails to perform its duties and the Sponsors determine that its
    replacement is in your best interest; or
  - 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:

  - remove it and appoint a replacement Sponsor;
  - liquidate the Fund; or
  - 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

                                       18
<PAGE>
SALOMON SMITH BARNEY INC. (an indirectly wholly-owned subsidiary of Citigroup
Inc.)
7 World Trade Center--40th Floor,
New York, NY 10048
DEAN WITTER REYNOLDS INC. (a principal operating subsidiary of Morgan Stanley
Dean Witter & Co.)
Two World Trade Center--59th Floor,
New York, NY 10048
PAINEWEBBER INCORPORATED (an indirect subsidiary of UBS AG and an affiliate of
UBS Warburg LLC.)
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

The Fund and the Agent for the Sponsors have each adopted a code of ethics
requiring reporting of personal securities transactions by its employees with
access to information on Fund transactions. Subject to certain conditions, the
codes permit employees to invest in Fund securities for their own accounts. The
codes are designed to prevent fraud, deception and misconduct against the Fund
and to provide reasonable standards of conduct. These codes are on file with the
Commission and you may obtain a copy by contacting the Commission at the address
listed on the back cover of this prospectus.

                                       19
<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 or subject to
special rules. 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 may be taken
into account in determining your preference items for alternative minimum tax
purposes. 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 issuers (or other users of bond proceeds) 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.

GAIN 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 otherwise.
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 you pay, adjusted to reflect any accruals of
"original issue discount," "acquisition premium" and "bond premium". You should
consult your tax adviser in this regard.

                                       20
<PAGE>
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.

NEW YORK 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.

CALIFORNIA TAXES

In the opinion of O'Melveny & Myers LLP, Los Angeles, California, special
counsel on California tax matters:

Under the income tax laws of the State of California, the Trust will not be
taxed as a corporation and you will be considered to own directly your share of
each bond of the Trust. If you are a California taxpayer, your share of the
income from the bonds of the Trust will not be tax-exempt in California except
for California personal income tax purposes and only to the extent that the
income is earned on bonds that are exempt for such purposes. If you are a
California taxpayer and all or part of your share of a bond is disposed of (for
example, when a bond is sold, exchanged or redeemed at maturity or you sell or
exchange your units), you will recognize gain or loss for California tax
purposes. Depending on where you live, your income from the Trust may be subject
to state and local taxation. You should consult your tax adviser in this regard.

FLORIDA TAXES

In the opinion of Greenberg, Traurig, P.A., Miami, Florida, special counsel on
Florida tax matters:

Under the income tax laws of the State of Florida, the Florida Trust will not be
taxed as a corporation. Florida imposes an income tax on corporations but does
not impose a personal income tax. Accordingly, if you are an individual taxpayer
your income from the Trust will not be subject to tax in Florida. However, if
you are an entity that is normally taxed as a corporation, your income from the
fund will not be exempt from tax in Florida and special rules for taxation apply
depending on the type of entity. You should consult your tax adviser in this
regard.

                                       21
<PAGE>
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.

                                       22
<PAGE>

          MUNICIPAL INVESTMENT TRUST FUND,
          MULTISTATE SERIES - 403 (CALIFORNIA INSURED AND
          FLORIDA INSURED TRUSTS),
          DEFINED ASSET FUNDS

          REPORT OF INDEPENDENT ACCOUNTANTS

          The Sponsors, Trustee and Holders
          of Municipal Investment Trust Fund, Multistate Series -
          403 (California Insured and Florida Insured Trusts),
          Defined Asset Funds:

          We have audited the accompanying statements of condition of
          Municipal Investment Trust Fund, Multistate Series - 403
          (California Insured and Florida Insured Trusts), Defined
          Asset Funds, including the portfolios, as of October 31,
          2000 and the related statements of operations and of
          changes in net assets for the year ended October 31, 2000
          and the period November 6, 1998 to October 31, 1999. 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 auditing
          standards generally accepted in the United States of America.
          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 October 31, 2000, 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 Municipal Investment Trust Fund, Multistate
          Series - 403 (California Insured and Florida Insured Trusts),
          Defined Asset Funds at October 31, 2000 and the results of
          their operations and changes in their net assets for the
          above-stated periods in conformity with accounting principles
          generally accepted in the United States of America.

          DELOITTE & TOUCHE LLP

          New York, N.Y.
          November 29, 2000


                                     D - 1
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (CALIFORNIA INSURED TRUST),
     DEFINED ASSET FUNDS

     STATEMENT OF CONDITION
     As of October 31, 2000

<TABLE>
     <S>                                                                                <C>             <C>
     TRUST PROPERTY:
       Investment in marketable securities -
          at value (cost $ 4,897,408 )(Note 1).........                                                 $ 4,574,849
       Accrued interest ...............................                                                      67,695
       Accrued interest on Segregated Bonds (Note 5) ..                                                       1,630
       Cash - income ..................................                                                      43,799
       Cash - income on Segregated Bonds ..............                                                       7,857
       Cash - principal ...............................                                                       3,733
                                                                                                        -----------
         Total trust property .........................                                                   4,699,563


     LESS LIABILITIES:
       Deferred sales charge (Note 5) .................                                 $    79,512
       Principal payments payable (Segregated Bonds) ..                                       3,733
       Trustee's fees and expenses payable ............                                          32
       Accrued Sponsors' fees .........................                                       2,385          85,662
                                                                                        -----------     -----------


     NET ASSETS, REPRESENTED BY:
       4,814,863 units of fractional undivided
          interest outstanding (Note 3)................                                   4,504,824

       Undistributed net investment income ............                                     109,077     $ 4,613,901
                                                                                        -----------     ===========

     UNIT VALUE ($ 4,613,901 / 4,814,863 units ).......                                                 $    .95826
                                                                                                        ===========
</TABLE>

                       See Notes to Financial Statements.


                                     D - 2
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (CALIFORNIA INSURED TRUST),
     DEFINED ASSET FUNDS

     STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                                                                                      November 6, 1998
                                                                                        Year Ended           to
                                                                                        October 31,      October 31,
                                                                                          2000              1999
                                                                                          ----              ----

     <S>                                                                              <C>               <C>
     INVESTMENT INCOME:
       Interest income ........................                                       $   256,832       $   294,442
       Interest income on Segregated
         Bonds (Note 5) .......................                                             4,770             4,717
       Trustee's fees and expenses ............                                            (6,536)           (6,642)
       Sponsors' fees .........................                                            (3,025)           (2,889)
                                                                                      ------------------------------
       Net investment income ..................                                           252,041           289,628
                                                                                      ------------------------------


     REALIZED AND UNREALIZED GAIN (LOSS)
       ON INVESTMENTS:
       Realized loss on
         securities sold or redeemed ..........                                          (124,326)          (15,941)
       Unrealized appreciation (depreciation)
         of investments .......................                                           464,974          (787,533)
                                                                                      ------------------------------
       Net realized and unrealized
          gain (loss) on investments ..........                                           340,648          (803,474)
                                                                                      ------------------------------


     NET INCREASE (DECREASE) IN NET ASSETS
       RESULTING FROM OPERATIONS ..............                                       $   592,689       $  (513,846)
                                                                                      ==============================
</TABLE>

                       See Notes to Financial Statements.


                                     D - 3
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (CALIFORNIA INSURED TRUST),
     DEFINED ASSET FUNDS

     STATEMENTS OF CHANGES IN NET ASSETS

<TABLE>
<CAPTION>
                                                                                                       November 6, 1998
                                                                                        Year Ended           to
                                                                                        October 31,       October 31,
                                                                                          2000              1999
                                                                                          ----              ----
     <S>                                                                              <C>               <C>
     OPERATIONS:
       Net investment income ..................                                       $   252,041       $   289,628
       Realized loss on
         securities sold or redeemed ..........                                          (124,326)          (15,941)
       Unrealized appreciation (depreciation)
         of investments .......................                                           464,974          (787,533)
                                                                                      ------------------------------
       Net increase (decrease) in net assets
    }    resulting from operations ............                                           592,689          (513,846)
                                                                                      ------------------------------

     INCOME DISTRIBUTIONS TO
        HOLDERS (Note 2).......................                                          (262,391)         (147,399)
                                                                                      ------------------------------

     SHARE TRANSACTIONS:
       Deferred sales charge (Note 5):
         Principal ............................                                           (57,620)          (44,969)

       Redemption amounts:
         Income ...............................                                            (9,428)           (3,886)
         Principal ............................                                          (875,704)         (166,613)
                                                                                      ------------------------------
       Net share transactions .................                                          (942,752)         (215,468)
                                                                                      ------------------------------

     NET DECREASE IN NET ASSETS ...............                                          (612,454)         (876,713)

     NET ASSETS AT BEGINNING OF PERIOD ........                                         5,226,355         6,103,068
                                                                                      ------------------------------
     NET ASSETS AT END OF PERIOD ..............                                       $ 4,613,901       $ 5,226,355
                                                                                      ==============================
     PER UNIT:
       Income distributions during
         period ...............................                                       $   0.04818       $   0.02489
                                                                                      ==============================
       Net asset value at end of
         period ...............................                                       $   0.95826       $   0.89792
                                                                                      ==============================
     TRUST UNITS:
       Redeemed during period .................                                         1,005,641           179,496
       Outstanding at end of period ...........                                         4,814,863         5,820,504
                                                                                      ==============================
</TABLE>
                       See Notes to Financial Statements.


                                     D - 4
<PAGE>

          MUNICIPAL INVESTMENT TRUST FUND,
          MULTISTATE SERIES - 403 (CALIFORNIA INSURED TRUST),
          DEFINED ASSET FUNDS

          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 accounting principles generally accepted in the United
          States of America.

           (A)   Securities are stated at value as determined by the
                 Evaluator based on bid side evaluations for the securities,
                 except that value on November 6, 1998 was based upon offering
                 side evaluations at November 4, 1998, the day prior to the Date
                 of Deposit. Cost of securities at November 6, 1998 was also
                 based on such offering side evaluations.

           (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 also distributed periodically.

     3.   NET CAPITAL

<TABLE>
     <S>                                                                                                <C>
          Cost of 4,814,863 units at Date of Deposit .................                                  $ 4,897,574
          Transfer to capital of interest on Segregated Bonds (Note 5)                                        9,487
          Redemptions of units - net cost of 1,185,137 units redeemed
            less redemption amounts (principal).......................                                      163,178
          Deferred sales charge (Note 5) .............................                                     (102,589)
          Realized loss on securities sold or redeemed ...............                                     (140,267)
          Unrealized depreciation of investments .....................                                     (322,559)
                                                                                                        -----------

          Net capital applicable to Holders ..........................                                  $ 4,504,824
                                                                                                        ===========
</TABLE>
     4.   INCOME TAXES

          As of October 31, 2000, unrealized depreciation of investments, based
          on cost for Federal income tax purposes, aggregated $322,559, all of
          which related to depreciated securities. The cost of investment
          securities for Federal income tax purposes was $4,897,408 at October
          31, 2000.


                                     D - 5
<PAGE>

          MUNICIPAL INVESTMENT TRUST FUND,
          MULTISTATE SERIES - 403 (CALIFORNIA INSURED TRUST),
          DEFINED ASSET FUNDS


          NOTES TO FINANCIAL STATEMENTS


     5.   DEFERRED SALES CHARGE

          $55,000 face amount of El Segundo Unified Sch. Dist. (Los Angeles
          Cnty., CA), G.O. Bonds, 1997 Election, Ser. A and $50,000 face amount
          of the County of Los Angeles, CA, Cap. Asset Leasing Corp., Lease Rev.
          Bonds (1992 Master Rfdg. Proj.), have been segregated to fund the
          deferred sales charges. The sales charges are being paid for with the
          interest received and by periodic sales or maturity of these bonds, as
          well as with principal proceeds received in conjunction with the
          disposition on the unsegregated bonds in the portfolio. A deferred
          sales charge of $2.38 per 1,000 Units is charged on a quarterly basis,
          and paid to the Sponsors periodically by the Trustee on behalf of the
          Holders, up to an aggregate of $19.00 per 1,000 Units over the first
          three years of the life of the Fund. Should a Holder redeem Units
          prior to the third anniversary of the Fund, the remaining balance of
          the deferred sales charge will be charged.


                                     D - 6
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (CALIFORNIA TRUST) (INSURED),
     DEFINED ASSET FUNDS

     PORTFOLIO
     As of October 31, 2000

<TABLE>
<CAPTION>

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

<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
   1 City and Cnty. of San Francisco, CA,       AAA     $   365,000     4.500 %      2028      01/01/08     $   339,662 $   308,553
     Arpt. Comm. Second Ser. Rev. Bonds                                                        @  102.000
     (San Francisco Intl. Arpt.), Issue 15 B
     Bonds (MBIA Ins.)

   2 El Segundo Unified Sch. Dist. (Los         AAA          55,000     3.900        2001      None              55,640      55,073
     Angeles Cnty., CA), G.O. Bonds, 1997
     Election, Ser. A (FSA Ins.) (5)

   3 Glendale Unified Sch. Dist., (Los Angeles  AAA         255,000     5.375        2022      09/01/07         267,248     254,816
     Cnty., CA), 1997 Election, G.O. Bonds,                                                    @  102.000
     Ser. A (Financial Guaranty Ins.)

   4 California Hlth. Facs. Fin. Auth. Rev.     AAA         825,000     5.000        2028      11/15/08         818,639     768,587
     Bonds (UCSF - Stanford Hlth. Care), Ser.                                                  @  101.000
     1998 B (AMBAC Ins.)

   5 County of Los Angeles, CA, Cap. Asset      AAA          50,000     5.250        2000      None              52,041      50,061
     Leasing Corp., Lease Rev. Bonds (1992
     Master Rfdg. Proj.), (AMBAC Ins.) (5)

   6 Oakland, CA, State Bldg. Auth., Lease      AAA         515,000     5.000        2023      04/01/08         517,199     488,380
     Rev. Bonds (Elihu M. Harris State Office                                                  @  101.000
     Bldg.), Ser. 1998 A (AMBAC Ins.)

   7 San Francisco State Bldg. Auth., CA,       AAA          90,000     5.250        2021      12/01/06          92,839      88,754
     Lease Rev, Bonds (Civic Center Complex),                                                  @  102.000
     Ser. 1996 A (AMBAC Ins.)

   8 Convention Ctr. Expansion Fin. Auth.,      AAA       1,000,000     4.750        2028      10/01/08         969,140     885,380
     Lease Rev. Bonds (City of San Diego, CA),                                                 @  101.000
     Ser. 1998 A (AMBAC Ins.)
</TABLE>


                                     D - 7
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (CALIFORNIA TRUST) (INSURED),
     DEFINED ASSET FUNDS

     PORTFOLIO
     As of October 31, 2000

<TABLE>
<CAPTION>

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

<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
   9 East Bay Mun. Util. Dist. (Alameda and     AAA     $   935,000     5.000 %      2026      06/01/06     $   935,000 $   879,713
     Contra Costa Cntys., CA) Wtr. Sys. Sub.                                                   @  102.000
     Rev. Rfdg. Bonds, Ser. 1996 (Financial
     Guaranty Ins.)

  10 Napa Sanitation Dist., Napa Cnty., CA,     AAA         850,000     5.000        2028      08/01/08         850,000     795,532
     Certs. of Part. (Wastewater Proj.), Ser.                                                  @  101.000
     1998 A (Financial Guaranty Ins.)

                                                          ---------                                           ---------   ---------
     TOTAL                                              $ 4,940,000                                         $ 4,897,408 $ 4,574,849
                                                          =========                                           =========   =========

</TABLE>
                     See Notes to Portfolios on page D - 15.


                                     D - 8
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (FLORIDA INSURED TRUST),
     DEFINED ASSET FUNDS



     STATEMENT OF CONDITION
     As of October 31, 2000

<TABLE>
     <S>                                                                                <C>             <C>
     TRUST PROPERTY:
       Investment in marketable securities -
          at value (cost $ 3,443,537 )(Note 1).........                                                 $ 3,128,226
       Accrued interest ...............................                                                      45,988
       Accrued interest on Segregated Bonds (Note 5) ..                                                         564
       Income payments receivable .....................                                                       2,347
       Cash - income ..................................                                                      30,240
       Cash - income on Segregated Bonds ..............                                                       4,403
                                                                                                        -----------
         Total trust property .........................                                                   3,211,768


     LESS LIABILITIES:
       Income payments payable (Segregated Bonds) .....                                 $        11
       Deferred sales charge (Note 5) .................                                      30,217
       Trustee's fees and expenses payable ............                                          32
       Accrued Sponsors' fees .........................                                       1,645          31,905
                                                                                        -----------     -----------


     NET ASSETS, REPRESENTED BY:
       3,456,862 units of fractional undivided
          interest outstanding (Note 3)................                                   3,102,965

       Undistributed net investment income ............                                      76,898     $ 3,179,863
                                                                                        -----------     ===========

     UNIT VALUE ($ 3,179,863 / 3,456,862 units ).......                                                 $    .91987
                                                                                                        ===========

</TABLE>
                       See Notes to Financial Statements.


                                     D - 9
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (FLORIDA INSURED TRUST),
     DEFINED ASSET FUNDS

     STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                                                                                      November 6, 1998
                                                                                       Year Ended            to
                                                                                       October 31,       October 31,
                                                                                          2000              1999
                                                                                          ----              ----

     <S>                                                                              <C>               <C>
     INVESTMENT INCOME:
       Interest income ........................                                       $   177,698       $   193,537
       Interest income on Segregated
         Bonds (Note 5) .......................                                             2,274             2,682
       Trustee's fees and expenses ............                                            (5,405)           (6,991)
       Sponsors' fees .........................                                            (2,072)             (316)
                                                                                      ------------------------------
       Net investment income ..................                                           172,495           188,912
                                                                                      ------------------------------

     REALIZED AND UNREALIZED GAIN (LOSS)
       ON INVESTMENTS:
       Realized loss on
         securities sold or redeemed ..........                                           (58,324)           (5,138)
       Unrealized appreciation (depreciation)
         of investments .......................                                           221,823          (537,133)
                                                                                      ------------------------------
       Net realized and unrealized
          gain (loss) on investments ..........                                           163,499          (542,271)
                                                                                      ------------------------------


     NET INCREASE (DECREASE) IN NET ASSETS
       RESULTING FROM OPERATIONS ..............                                       $   335,994       $  (353,359)
                                                                                      ==============================
</TABLE>

                       See Notes to Financial Statements.


                                     D - 10
<PAGE>

     MUNICIPAL IVESTMENT TRUST FUND,
     MULTISTATE SERIES 403 (FLORIDA INSURED TRUST),
     DEFINED ASSET FUNDS

     STATEMENTS OF CHANGES IN NET ASSETS
<TABLE>
<CAPTION>
                                                                                                       November 6, 1998
                                                                                       Year Ended            to
                                                                                       October 31,       October 31,
                                                                                          2000              1999
                                                                                          ----              ----
     <S>                                                                              <C>               <C>
     OPERATIONS:
       Net investment income ..................                                       $   172,495       $   188,912
       Realized loss on
         securities sold or redeemed ..........                                           (58,324)           (5,138)
       Unrealized appreciation (depreciation)
         of investments .......................                                           221,823          (537,133)
                                                                                      ------------------------------
       Net increase (decrease) in net assets
         resulting from operations ............                                           335,994          (353,359)
                                                                                      ------------------------------

     INCOME DISTRIBUTIONS TO
        HOLDERS (Note 2).......................                                          (179,389)          (97,120)
                                                                                      ------------------------------

     SHARE TRANSACTIONS:
       Deferred sales charge (Note 5):
         Principal ............................                                           (38,532)          (29,276)

       Redemption amounts:
         Income ...............................                                            (2,197)             (847)
         Principal ............................                                          (413,536)          (52,567)
                                                                                      ------------------------------
       Net share transactions .................                                          (454,265)          (82,690)
                                                                                      ------------------------------

     NET DECREASE IN NET ASSETS ...............                                          (297,660)         (533,169)

     NET ASSETS AT BEGINNING OF PERIOD ........                                         3,477,523         4,010,692
                                                                                      ------------------------------
     NET ASSETS AT END OF PERIOD ..............                                       $ 3,179,863       $ 3,477,523
                                                                                      ==============================
     PER UNIT:
       Income distributions during
         period ...............................                                       $   0.04711       $   0.02428
                                                                                      ==============================
       Net asset value at end of
         period ...............................                                       $   0.91987       $   0.88270
                                                                                      ==============================
     TRUST UNITS:
       Redeemed during period .................                                           482,783            60,355
       Outstanding at end of period ...........                                         3,456,862         3,939,645
                                                                                      ==============================
</TABLE>
                       See Notes to Financial Statements.


                                     D - 11
<PAGE>

          MUNICIPAL INVESTMENT TRUST FUND,
          MULTISTATE SERIES - 403 (FLORIDA INSURED TRUST),
          DEFINED ASSET FUNDS

          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 accounting principles generally accepted in the United
          States of America.

          (A)  Securities are stated at value as determined by the Evaluator
               based on bid side evaluations for the securities, except that
               value on November 6, 1998 was based upon offering side
               evaluations at November 4, 1998, the day prior to the Date of
               Deposit. Cost of securities at November 6, 1998 was also based on
               such offering side evaluations.

          (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 also distributed periodically.

     3.   NET CAPITAL

<TABLE>
     <S>                                                                                                <C>
          Cost of 3,456,862 units at Date of Deposit .................                                  $ 3,466,102
          Transfer to capital of interest on Segregated Bonds (Note 5)                                        4,956
          Redemptions of units - net cost of 543,138 units redeemed
            less redemption amounts (principal).......................                                       78,488
          Deferred sales charge (Note 5) .............................                                      (67,808)
          Realized loss on securities sold or redeemed ...............                                      (63,462)
          Unrealized depreciation of investments .....................                                     (315,311)
                                                                                                        -----------

          Net capital applicable to Holders ..........................                                  $ 3,102,965
                                                                                                        ===========
</TABLE>
     4.   INCOME TAXES

          As of October 31, 2000, unrealized depreciation of investments, based
          on cost for Federal income tax purposes, aggregated $315,311, all of
          which related to depreciated securities. The cost of investment
          securities for Federal income tax purposes was $3,443,537 at October
          31, 2000.


                                     D - 12
<PAGE>

          MUNICIPAL INVESTMENT TRUST FUND,
          MULTISTATE SERIES - 403 (FLORIDA INSURED TRUST),
          DEFINED ASSET FUNDS


          NOTES TO FINANCIAL STATEMENTS


     5.   DEFERRED SALES CHARGE

          $35,000 face amount of Broward Cnty., Fl, Rfdg. Certs. of Part.
          (Master Lease Program), Ser. 1998 and $10,000 face amount of
          Miami-Dade Cnty., FL, Professional Sports Franchise Fac., Tax Rev.
          Rfdg. Bonds, Ser. 1998, have been segregated to fund the deferred
          sales charges. The sales charges are being paid for with the interest
          received and by periodic sales or maturity of these bonds, as well as
          principal proceeds received in conjunction with the disposition on the
          unsegregated bonds in the portfolio. A deferred sales charge of $2.38
          per 1,000 Units is charged on a quarterly basis, and paid to the
          Sponsors periodically by the Trustee on behalf of the Holders, up to
          an aggregate of $19.00 per 1,000 Units over the first three years of
          the life of the Fund. Should a Holder redeem Units prior to the third
          anniversary of the Fund, the remaining balance of the deferred sales
          charge will be charged.


                                     D - 13
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (FLORIDA TRUST) (INSURED),
     DEFINED ASSET FUNDS

     PORTFOLIO
     As of October 31, 2000

<TABLE>
<CAPTION>

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

<S>                                          <C>        <C>         <C>           <C>          <C>          <C>         <C>
   1 State of Florida, Bd. of Educ., Pub.       AAA     $   600,000     4.750 %      2023      06/01/08     $   584,688 $   528,492
     Educ. Cap. Outlay Bonds, Ser. 1998 B                                                      @  101.000
     (MBIA Ins.)

   2 City of South Miami, FL, Hlth. Fac.        AAA         600,000     5.000        2028      11/15/08         595,374     537,306
     Auth., Hosp. Rev. Bonds (Baptist Hlth.                                                    @  101.000
     Sys. Oblig. Grp.), Ser. 1998 (MBIA Ins.)

   3 Tampa, FL, Catholic Hlth. East, Hlth.      AAA         600,000     4.875        2023      11/15/08         585,162     532,014
     Sys. Rev. Bonds, Ser. 1998 A-1 (MBIA                                                      @  101.000
     Ins.)

   4 Broward Cnty., FL, Rfdg. Certs of Part.    AAA          35,000     3.650        2002      None              35,057      34,336
     (Master Lease Program), Ser. 1998 (AMBAC
     Ins.) (5)

   5 Tampa Bay, Fl, Regl. Wtr. Supply Auth.,    AAA         600,000     4.750        2027      10/01/08         577,164     522,744
     Util. Sys. Rev. Bonds, Ser. 1998 A                                                        @  101.000
     (Financial Guaranty Ins.)

   6 Miami-Dade Cnty., FL, Sub. Spec. Oblig.    AAA         500,000     5.000        2037      04/01/08         495,735     452,160
     Bonds, Ser. 1997 B (MBIA Ins.)                                                            @  102.000

   7 City of Port St. Lucie, FL, Spec.          AAA          60,000     5.000        2018      10/01/08          60,247      56,980
     Assessment Bonds (Util. Serv. Area No. 3                                                  @  101.000
     & 4 - Wtr. and Waste Wtr. Extension Proj.),
     Ser. 1998 A (MBIA Ins.)

   8 City of Tallahasse, Fl, Energy Sys. Rev.   AAA         500,000     5.000        2028      10/01/08         500,000     454,270
     Bonds, Ser. 1998 B (FSA Ins.)                                                             @  101.000

   9 Miami-Dade Cnty., FL, Professional Sports  AAA          10,000     3.850        2001      None              10,110       9,924
     Franchise Fac., Tax Rev. Rfdg. Bonds, Ser.
     1998 (MBIA Ins.) (5)
                                                          ---------                                           ---------   ---------
     TOTAL                                              $ 3,505,000                                         $ 3,443,537 $ 3,128,226
                                                          =========                                           =========   =========

                     See Notes to Portfolios on page D - 15.


                                     D - 14
</TABLE>
<PAGE>

     MUNICIPAL INVESTMENT TRUST FUND,
     MULTISTATE SERIES - 403 (CALIFORNIA INSURED AND
     FLORIDA INSURED TRUSTS),
     DEFINED ASSET FUNDS

     NOTES TO PORTFOLIOS
     As of October 31, 2000

    (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.

    (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.

    (4)   Insured by AAA-rated 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).

    (5)   These bonds have been segregated to fund the deferred sales charges.


                                    D - 15
<PAGE>
              Defined
            Asset Funds-Registered Trademark-

<TABLE>
<S>                                      <C>
HAVE QUESTIONS ?                         MUNICIPAL INVESTMENT TRUST FUND
Request the most                         MULTISTATE SERIES--403
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:
                                         - Securities Act of 1933 (file no.
                                         333-63809) and
                                         - 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.
                                                                     32694--1/01
</TABLE>


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