DEFINED ASSET FUNDS MUNICIPAL INVESTMENT TRUST FD PUT SER 9
497, 2000-12-15
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                           DEFINED ASSET FUNDS-REGISTERED TRADEMARK-
                           ----------------------------------------------------

                           MUNICIPAL INVESTMENT TRUST FUND
                           PUT SERIES--9
                           (A UNIT INVESTMENT TRUST)

                           -  PRIMARILY INTERMEDIATE TERM MUNICIPAL BONDS
                           -  DESIGNED TO BE FREE OF REGULAR FEDERAL INCOME TAX
                           -  MONTHLY DISTRIBUTIONS

SPONSORS:
MERRILL LYNCH,
PIERCE, FENNER & SMITH
INCORPORATED               -----------------------------------------------------
SALOMON SMITH BARNEY INC.  The Securities and Exchange Commission has not
PRUDENTIAL SECURITIES      approved or disapproved these Securities or passed
INCORPORATED               upon the adequacy of this prospectus. Any
PAINEWEBBER INCORPORATED   representation to the contrary is a criminal offense.
DEAN WITTER REYNOLDS INC.  Prospectus dated December 15, 2000.

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

Defined Asset Funds-Registered Trademark-
Defined Asset Funds-Registered Trademark- is America's oldest and largest family
of unit investment trusts, with over $160 billion sponsored over the last 28
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 THE EVALUATION DATE,
AUGUST 31, 2000.

CONTENTS

<TABLE>
<CAPTION>
                                                    PAGE
                                                    ----
<S>                                                 <C>
Risk/Return Summary...............................    3
What You Can Expect From Your Investment..........    6
  Monthly Income..................................    6
  Return Figures..................................    6
  Records and Reports.............................    6
The Risks You Face................................    6
  Interest Rate Risk..............................    6
  Call Risk.......................................    6
  Reduced Diversification Risk....................    7
  Liquidity Risk..................................    7
  Collateral Related Risk.........................    7
  Concentration Risk..............................    7
  Litigation and Legislation Risks................    7
Selling or Exchanging Units.......................    8
  Sponsors' Secondary Market......................    8
  Selling Units to the Trustee....................    8
  Exchange Option.................................    8
How The Fund Works................................    9
  Pricing.........................................    9
  Evaluations.....................................    9
  Income..........................................    9
  Expenses........................................    9
  Portfolio Changes...............................   10
  Fund Termination................................   10
  Certificates....................................   10
  Trust Indenture.................................   10
  Legal Opinion...................................   11
  Auditors........................................   11
  Sponsors........................................   11
  Trustee.........................................   11
  Underwriters' and Sponsors' Profits.............   11
  Public Distribution.............................   12
  Code of Ethics..................................   12
Taxes.............................................   12
Supplemental Information..........................   13
Financial Statements..............................  D-1
</TABLE>

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

PUT SERIES PORTFOLIO--RISK/RETURN SUMMARY

 1. WHAT ARE THE FUND'S OBJECTIVES?
 - The Fund seeks interest income that is exempt from regular federal income
   taxes by investing in a fixed portfolio consisting primarily of intermediate
   and long term municipal industrial development revenue bonds and refunded
   bonds with an estimated average life of about 9 years.
 - The Fund seeks to reduce fluctuations in the value of the bonds (and minimize
   the risk of losing money) through the repurchase commitments described below.
 2. WHAT ARE MUNICIPAL REVENUE BONDS?
   Municipal industrial development 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 airport,
   healthcare, housing and municipal utilities. Generally, payments on these
   bonds depend solely on the revenues generated by the project, 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 16 intermediate and long term tax-exempt
   municipal bonds with an aggregate face amount of $5,437,000.
 - The Fund is a unit investment trust which means that, unlike a mutual fund,
   the Portfolio is not managed.
 - The bonds were initially acquired from savings banks (the Sellers), which had
   held the bonds in their own portfolios.
 - The approximate percentage of the Portfolio backed by each Seller's
   repurchase commitments is:

<TABLE>
<S>                                                 <C>
The Dime Savings Bank of New York                   59%
First Union National Bank,
  Charlotte, North Carolina                         41%
</TABLE>

 - 39% of the bonds are collateralized industrial development revenue bonds.
 - 61% of the bonds are refunded bonds.
 - Many of the bonds cannot be called for several years, and after that they can
   be called at a premium declining over time to par value. Some bonds may be
   called earlier at par for extraordinary reasons.
 - Each Seller has agreed to repurchase on 14 days' notice any of the bonds sold
   by it to the Fund if:

   -- the Fund needs to sell bonds to meet redemptions of units;
   -- the issuer of a bond fails to make payments when due;
   -- the interest on a bond becomes taxable; and
   -- insolvency proceedings are commenced by or against the Seller, or it fails
      to meet its collateral requirements.
 - Each Seller has also agreed to repurchase its bonds on scheduled disposition
   dates.
 - The collateral securing the Sellers' repurchase commitments may include:

   -- Ginnie Maes, Fannie Maes and Freddie Macs;
   -- mortgages;
   -- municipal obligations;
   -- corporate obligations;
   -- U.S. government securities; and
   -- cash.
 - You should rely on the collateral for the performance of the repurchase
   commitments rather than on the financial position of the Sellers.
 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
   Seller's failure to meet its repurchase commitments can reduce the price 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.
 - Because the Fund is concentrated in industrial development revenue bonds,
   adverse developments in this sector could affect the value of your units.
 - The Fund could receive early returns of principal if underlying mortgages are
   prepaid, if it becomes necessary to liquidate the collateral or 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.

                                       3
<PAGE>
 5. IS THIS FUND APPROPRIATE FOR YOU?
   Yes, if you want income free of regular federal income tax. You will benefit
   from a professionally selected and supervised portfolio whose risk is reduced
   by investing in bonds backed by collateralized repurchase commitments.
   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
the month to holders of record on the 10th day of
the month):
Regular Monthly Income per unit                     $ .34
Annual Income per unit:                             $4.13
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           none
</TABLE>

   ESTIMATED ANNUAL FUND OPERATING EXPENSES

<TABLE>
<CAPTION>
                                                     AMOUNT
                                                    PER UNIT
                                                    --------
<S>                                                 <C>
Trustee's Fee                                        $0.01
Portfolio Supervision,
 Bookeeping and Administrative
 Fees (including updating
 expenses)                                           $0.01
Evaluator's Fee                                      $0.06
Other Operating Expenses                             $0.10
                                                     -----
TOTAL                                                $0.18
</TABLE>

   The Sponsor historically paid updating expenses.
 7. IS THE FUND MANAGED?
   Unlike a mutual fund, the Fund is not managed and bonds are not sold because
   of market changes. Rather, experienced Defined Asset Funds financial analysts
   regularly review the bonds in the Fund. The Fund may sell a bond if certain
   adverse credit or other conditions exist.
 8. HOW DO I BUY UNITS?
   The minimum investment is 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 UNIT                                 $70.96
(as of August 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.
 9. HOW DO I SELL UNITS?
   You may sell your units at any time to any Sponsor or the Trustee for the net
   asset value determined at the close of business on the date of sale. You will
   not pay any other fee when you sell your units.
10. HOW ARE DISTRIBUTIONS MADE AND TAXED?
   The Fund pays income monthly.
   In the opinion of bond counsel when each bond was issued, interest on the
   bonds in this Fund is generally 100% exempt from regular federal income tax.
   You will also receive principal payments if bonds are sold or called or
   mature, when the cash available is more than $5.00 per unit. You will be
   subject to tax on any gain realized by the Fund on the disposition of bonds.
11. WHAT OTHER SERVICES ARE AVAILABLE?
   REINVESTMENT
   You will receive your income in cash unless you choose to compound your
   income by reinvesting at no sales fee in the Municipal Fund Investment
   Accumulation Program, Inc. This Program is an open-end mutual fund with a
   comparable investment objective. Income from this Program will generally be
   subject to state and local income taxes. FOR MORE COMPLETE INFORMATION ABOUT
   THE PROGRAM, INCLUDING CHARGES AND FEES, ASK THE TRUSTEE FOR THE PROGRAM'S
   PROSPECTUS. READ IT CAREFULLY BEFORE YOU INVEST. THE TRUSTEE MUST RECEIVE
   YOUR WRITTEN ELECTION TO REINVEST AT LEAST 10 DAYS BEFORE THE RECORD DAY OF
   AN INCOME PAYMENT.
   EXCHANGE PRIVILEGES
   You may exchange units of this Fund for units of certain other Defined Asset
   Funds. You may also exchange into this Fund from certain other funds. We
   charge a reduced sales fee on most exchanges.

                                       4
<PAGE>
--------------------------------------------------------------------------------
    TAX-FREE VS. TAXABLE INCOME: A COMPARISON OF TAXABLE AND TAX-FREE YIELDS

<TABLE>
<CAPTION>
                                        EFFECTIVE
    TAXABLE INCOME 2000*                  % TAX                            TAX-FREE YIELD OF
    SINGLE RETURN       JOINT RETURN     BRACKET     3%     3.5%     4%     4.5%     5%      5.5%      6%      6.5%
                                                                  IS EQUIVALENT TO A TAXABLE YIELD OF
    <S>               <C>               <C>        <C>     <C>     <C>     <C>     <C>      <C>      <C>      <C>
    -----------------------------------------------------------------------------------------------------------------
    $      0- 26,250  $      0- 43,850     15.00    3.53    4.12    4.71    5.29     5.88     6.47     7.06     7.65
    -----------------------------------------------------------------------------------------------------------------
    $ 26,251- 63,550  $ 43,851-105,950     28.00    4.17    4.86    5.56    6.25     6.94     7.64     8.33     9.03
    -----------------------------------------------------------------------------------------------------------------
    $ 63,551-132,600  $105,951-161,450     31.00    4.35    5.07    5.80    6.52     7.25     7.97     8.70     9.42
    -----------------------------------------------------------------------------------------------------------------
    $132,601-288,350  $161,451-288,350     36.00    4.69    5.47    6.25    7.03     7.81     8.59     9.38    10.16
    -----------------------------------------------------------------------------------------------------------------
       OVER $288,350     OVER $288,350     39.60    4.97    5.79    6.62    7.45     8.28     9.11     9.93    10.76
</TABLE>

To compare the yield of a taxable security with the yield of a federally
tax-free security, find your taxable income and read across. The table
incorporates 2000 federal income tax rates and assumes that all income would
otherwise be taxed at a U.S. 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, the possible partial disallowance of deductions
or state and local taxation. Consequently, investors are urged to consult their
own tax advisers in this regard.

                                       5
<PAGE>
WHAT YOU CAN EXPECT FROM YOUR INVESTMENT

MONTHLY INCOME
The Fund will pay you regular monthly income. Your monthly income may vary
because of:
  - 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 monthly 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.

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

                                       6
<PAGE>
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.

COLLATERAL RELATED RISK
The Sponsors believe that the collateral is reasonably adequate to support the
repurchase commitments without regard to the ability of the Sellers to meet
these commitments.
You could have all or part of the principal amount of your investment returned
early if insolvency proceedings are commenced by or against a Seller. In that
case, the collateral agent will automatically foreclose on the collateral and,
if necessary, liquidate it and use the proceeds to purchase bonds from the Fund.
You would then receive your share of the proceeds.
The Sponsors have agreed that their sole recourse in the event a Seller fails to
repurchase the bonds as agreed, including as a result of the Seller's
insolvency, will be to exercise available remedies with respect to the
collateral on deposit with the Fund. If the collateral is not enough to cover
the costs resulting from the Seller's default, the Sponsors will be unable to
pursue any deficiency judgment against the Seller.

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 fund's concentration in refunded bonds.
Refunded bonds are typically:
  - backed by direct obligations of the U.S. government; or
  - in some cases, backed by obligations guaranteed by the U.S. government and
    placed in escrow with an independent trustee;
  - noncallable prior to maturity; but
  - sometimes called for redemption prior to maturity.
Here is what you should know about the Fund's concentration in industrial
development revenue bonds (IDRs). IDRs are issued to finance various privately
operated projects such as pollution control and manufacturing facilities.
Payment for these bonds depends on:
  - creditworthiness of the corporate operator of the project being financed;
  - economic factors relating to the particular industry; and,
  - in some cases, creditworthiness of an affiliated or third-party guarantor.
Changes to the Portfolio from bond redemptions, maturities and sales may affect
the Fund's concentrations over time.

LITIGATION AND LEGISLATION RISKS
We do not know of any pending litigation that might have a material adverse
effect upon the Fund.

                                       7
<PAGE>
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 28 years, but we
could discontinue it without prior notice for any business reason.

SELLING UNITS TO THE TRUSTEE
Regardless of whether we maintain a secondary market, you can sell your units to
the Trustee at any time by sending the Trustee a letter (with any outstanding
certificates if you hold Unit certificates). You must properly endorse your
certificates (or execute a written transfer instrument with signatures
guaranteed by an eligible institution). Sometimes, additional documents are
needed such as a trust document, certificate of corporate authority, certificate
of death or appointment as executor, administrator or guardian.
Within seven days after your request and the necessary documents are received,
the Trustee will mail a check to you. Contact the Trustee for additional
information.
As long as we are maintaining a secondary market, the Trustee will sell your
units to us at a price based on net asset value. If there is no secondary
market, the Trustee may sell your units in the over-the-counter market for a
higher price, but it is not obligated to do so. In that case, you will receive
the net proceeds of the sale.
If the Fund does not have cash available to pay you for units you are selling,
the agent for the Sponsors will select bonds to be sold. Bonds will be selected
based on market and credit factors. These sales could be made at times when the
bonds would not otherwise be sold and may result in your receiving less than the
unit par value and also reduce the size and diversity of the Fund.
There could be a delay in paying you for your units:
  - 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
with no sales fee. You may exchange units of this Fund for units of certain
other Defined Asset Funds at a reduced sales fee if your investment goals
change. To exchange units, you should talk to your financial professional about
what funds are exchangeable, suitable and currently available.

                                       8
<PAGE>
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 monthly income. When you sell your units you will
receive your share of this cash.

EVALUATIONS
An independent Evaluator values the bonds on each business day (excluding
Saturdays, Sundays and the following holidays as observed by the New York Stock
Exchange: New Year's Day, Presidents' Day, Martin Luther King, Jr. Day, Good
Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving and Christmas).
Bond values are based on current bid or offer prices for the bonds or comparable
bonds. In the past, the difference between bid and offer prices of publicly
offered tax-exempt bonds has ranged from 0.5% of face amount on actively traded
issues to 3.5% on inactively traded issues; the difference has averaged between
1 and 2%.

INCOME
The Trustee credits interest to an Income Account and other receipts to a
Capital Account. The Trustee may establish a Reserve Account by withdrawing from
these accounts amounts it considers appropriate to pay any material liability.
These accounts do not bear interest.

PLACEMENT FEE
The Sponsors receive a quarterly placement fee from each Seller equal to an
annual percentage of 0.3125% of the outstanding principal amount of bonds sold
by that Seller and held by the Fund.

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,
typsesetting, electronic filing and regulatory filing fees and expenses
associated with updating the Fund's registration statement yearly are also now
chargeable to the Fund. While this fee may exceed the amount of these costs and
expenses attributable to this Fund, the total of these fees for all Series of
Defined Asset Funds will not exceed the aggregate amount attributable to all of
these Series for any calendar year. The Fund also pays the Evaluator's fees.
The Trustee's, Sponsors' and Evaluator's fees may be adjusted for inflation
without investors' approval.
The Sponsors will pay advertising and selling expenses at no charge to the Fund.
If Fund expenses exceed initial estimates, the Fund will owe the excess. The
Trustee has a lien on Fund assets to secure reimbursement of Fund expenses and
may sell bonds if cash is not available.

                                       9
<PAGE>
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 for sale units 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.
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

                                       10
<PAGE>
  - 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 Statement of Condition included in this
prospectus.

SPONSORS
The Sponsors are:

<TABLE>
<S>                                                 <C>
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED (a
wholly-owned subsidiary of Merrill Lynch & Co., Inc.)P.O.
Box 9051,
Princeton, NJ 08543-9051
DEAN WITTER REYNOLDS INC. (a principal operating subsidiary
of Morgan Stanley
Dean Witter & Co.)
Two World Trade Center--59th Floor,
New York, NY 10048
SALOMON SMITH BARNEY INC. (an indirectly wholly-owned
subsidiary of Citigroup Inc.)
388 Greenwich Street--23rd Floor,
New York, NY 10013
</TABLE>

PRUDENTIAL SECURITIES INCORPORATED (an
indirect wholly-owned subsidiary of the
Prudential Insurance Company of America)
One New York Plaza
New York, NY 10292
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 Bank of New York, 101 Barclay Street, 17 W, New York, New York 10268, 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

                                       11
<PAGE>
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.

TAXES
The following summary describes some of the important income tax consequences of
holding units. It assumes that you are not a dealer in securities, 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 the 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.
Our counsel is of the opinion that the Fund (and therefore the investors, as
discussed below) will be treated as owning the bonds, notwithstanding the
Sellers' repurchase commitments. However, because there are no regulations,
published rulings or judicial decisions that characterize for federal income tax
purposes repurchase commitments like the Sellers' with respect to the bonds, it
is not certain that the IRS will agree with the conclusions of our counsel.
Therefore, it is possible that the IRS may take actions that might result in the
Fund (and therefore the investors) not being treated as owning the bonds for
federal income tax purposes.

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. While not free from
doubt, the opinion of our counsel is that any capital gain or loss derived from
the Fund will be short-term capital gain or loss regardless of the time that you
have held your Units.

YOUR BASIS IN THE BONDS
You may be required to allocate a portion of your cost for your Units to the
Sellers' repurchase commitment with respect to the bonds. When all or part of
your pro rata portion of a bond is disposed of (and the commitment with respect
to that bond

                                       12
<PAGE>
simultaneously is disposed of, lapses or is exercised), both your basis in your
pro rata portion of the bond and your basis in your pro rata portion of the
commitment will be taken into account in determining your overall net income or
loss from the disposition. In some cases, this overall net income or loss may
consist of ordinary income attributable to market discount on the pro rata
portion of the bond and of capital loss attributable to the commitment. The
deductibility of capital losses is subject to limitations. You should consult
your tax adviser in this regard.
If your basis for your pro rata portion of a bond (after giving effect to any
required allocation to the commitment) exceeds the redemption price at maturity
of that bond, you may be considered to have purchased your pro rata portion of
the bond at a "bond premium," which must be amortized.

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.

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.

                                       13
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES - 9

REPORT OF INDEPENDENT ACCOUNTANTS

The Sponsors, Trustee and Holders
  of Defined Asset Funds - Municipal Investment Trust Fund,
  PUT Series - 9:

We have audited the accompanying statement of condition of Defined
Asset Funds - Municipal Investment Trust Fund, PUT Series - 9,
including the portfolio, as of August 31, 2000 and the related
statements of operations and of changes in net assets for the years
ended August 31, 2000, 1999 and 1998. 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 August 31, 2000, as shown in such portfolio, were
confirmed to us by The Bank of New York, the Trustee. An audit also
includes assessing the accounting principles used and significant
estimates made by the Trustee, as well as evaluating the overall
financial statement presentation. We believe that our audits provide
a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present
fairly, in all material respects, the financial position of Defined
Asset Funds - Municipal Investment Trust Fund, PUT Series - 9 at
August 31, 2000 and the results of its operations and changes in its
net assets for the above-stated years in conformity with accounting
principles generally accepted in the United States of America.

DELOITTE & TOUCHE LLP

New York, N.Y.
November 16, 2000


                                      D-1
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES - 9

STATEMENT OF CONDITION
AS OF AUGUST 31, 2000

<TABLE>
<S>                                                <C>           <C>
TRUST PROPERTY:
  Investment in marketable securities - at value
    (cost $5,437,000)(Note 1)......................                  $5,645,618
  Accrued interest receivable......................                     106,350
  Cash.............................................                     390,778
                                                                   _____________

              Total trust property.................                   6,142,746

LESS LIABILITY - Accrued expenses..................                       1,362
                                                                   _____________

NET ASSETS, REPRESENTED BY:
  85,064,766 units of fractional undivided
    interest outstanding (Note 3)..................   $5,989,550
  Undistributed net investment income..............      151,834
                                                    _____________
                                                                     $6,141,384
                                                                   =============
UNIT VALUE ($6,141,384/85,064,766 units)...........                    $0.07220
                                                                   =============
</TABLE>
                         See Notes to Financial Statements.


                                      D-2
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES - 9

STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                             ........Years Ended August 31,...........
                                                 2000         1999         1998
                                             _________________________________________
<S>                                        <C>          <C>          <C>
INVESTMENT INCOME:
  Interest income...........................    $422,846     $460,303   $1,051,473
  Trustee's fees and expenses...............     (14,858)      (6,732)     (18,460)
  Sponsors' fees............................        (208)        (718)      (2,821)
                                             _________________________________________
  Net investment income.....................     407,780      452,853    1,030,192
                                             _________________________________________

REALIZED AND UNREALIZED GAIN (LOSS)
  ON INVESTMENTS:
  Realized gain on securities sold
    or redeemed.............................       7,853        8,800       96,796
  Unrealized depreciation of investments....     (74,978)    (183,235)     (48,135)
                                             _________________________________________

  Net realized and unrealized gain (loss)
    on investments..........................     (67,125)    (174,435)      48,661
                                             _________________________________________

NET INCREASE IN NET ASSETS RESULTING
  FROM OPERATIONS...........................    $340,655     $278,418   $1,078,853
                                             =========================================
</TABLE>
                                 See Notes to Financial Statements.


                                      D-3
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES -  9

STATEMENTS OF CHANGES IN NET ASSETS

<TABLE>
<CAPTION>
                                               ........Years Ended August 31,...........
                                                   2000         1999         1998
                                               _________________________________________
<S>                                          <C>          <C>          <C>
OPERATIONS:
  Net investment income.......................  $  407,780   $  452,853    $1,030,192
  Realized gain on securities sold
    or redeemed...............................       7,853        8,800        96,796
  Unrealized depreciation of investments......     (74,978)    (183,235)      (48,135)
                                               _________________________________________
  Net increase in net assets resulting
    from operations...........................     340,655      278,418     1,078,853
                                               _________________________________________

DISTRIBUTIONS TO HOLDERS (Note 2):
  Income......................................    (417,392)    (457,903)   (1,531,516)
  Principal...................................    (997,728)  (1,096,897)  (19,534,595)
                                               _________________________________________
  Total distributions.........................  (1,415,120)  (1,554,800)  (21,066,111)
                                               _________________________________________
CAPITAL SHARE TRANSACTIONS - Redemptions of
  1,169,265     (83,895)
                                               _________________________________________
NET DECREASE IN NET ASSETS....................  (1,158,360)  (1,276,382)  (19,987,258)

NET ASSETS AT BEGINNING OF YEAR...............   7,299,744    8,576,126    28,563,384
                                               _________________________________________
NET ASSETS AT END OF YEAR.....................  $6,141,384   $7,299,744    $8,576,126
                                               =========================================
PER UNIT:
  Income distributions during year............    $0.00485     $0.00531      $0.01776
                                               =========================================
  Principal distributions during year.........    $0.01157     $0.01272      $0.22653
                                               =========================================
  Net asset value at end of year..............    $0.07220     $0.08465      $0.09945
                                               =========================================
TRUST UNITS OUTSTANDING AT END OF YEAR........  85,064,766   86,234,031    86,234,031
                                               =========================================
</TABLE>
                  See Notes to Financial Statements.


                                      D-4
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES - 9

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.

      (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 85,064,766 units at Date of Deposit.........   $84,866,909
      Less sales charge...................................
                                                           ______________
      Net amount applicable to Holders....................    84,866,909
      Redemptions of units - net cost of 13,149,234 units
        redeemed less redemption amounts..................     1,569,082
      Realized gain on securities sold or redeemed........     1,142,065
      Principal distributions.............................   (81,797,124)
      Unrealized appreciation of investments..............       208,618
                                                           ______________

      Net capital applicable to Holders...................   $ 5,989,550
                                                           ==============
</TABLE>

  4.  INCOME TAXES

      As of August 31, 2000, unrealized appreciation of investments, based
      on cost for Federal income tax purposes, aggregated $208,618, all of
      which related to appreciated securities. The cost of investment
      securities for Federal income tax purposes was $5,437,000 at
      August 31, 2000.


                                      D-5
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES -  9

PORTFOLIO
AS OF AUGUST 31, 2000
<TABLE>
<CAPTION>
                                          Rating                                      Optional
    Portfolio No. and Title of               of           Face                        Redemption
            Securities                   Issues(1)       Amount  Coupon Maturities(3) Provisions(3)      Cost      Value(2)
            __________                   _________       ______  ______ _____________ _____________     ____      ________


 THE DIME SAVINGS BANK OF NEW YORK
<S>                                      <C>       <C>           <C>       <C>        <C>            <C>           <C>
 1 New York State Hsg. Fin. Agy.,          A(m)      $   45,000    6.800%   2003       11/1/02     $   45,000      $ 47,692
   Hosp. & Nursing Home Proj. Bond,                                                    @ 100.000
   Ser. 1970 A                                            5,000    6.875    2006       11/01/05         5,000         5,000
                                                                                       @ 100.000

 2 New York State Housing Finance          AAA          400,000    6.375    2003       05/01/02       400,000       413,952
   Agency, Health Facilities Bonds,                                                    @ 100.000
   Ser. 1972 A

 3 New York State Medical Care             A(m)       1,710,000    7.400    2016       Currently    1,710,000     1,747,962
   Facilities Finance Agency, Hospital
   and Nursing Home Project Bonds,
   Ser. 1979 A

 4 State of Ohio, Pollution Control        AAA        1,075,000    6.375    2007       06/01/06     1,075,000     1,125,869
   Revenue Bonds, Ser. 1977 D (Steel                                                   @ 100.000
   Project)

 FIRST FIDELITY BANK:

 5 Village of Bolingbrook, Illinois,       AAA           35,000    7.500    2010       08/01/09        35,000        39,443
   Residential Mortgage Revenue Bond,                                                  @ 100.000
   Ser. 1979

 6 City and County of Denver Colorado,     Aaa(m)        72,000    7.000    2010       08/01/09        72,000        76,843
   Single Family Mortgage Revenue                                                      @ 100.000
   Bond, Ser. 1978 A

 7 Parish of Jefferson, LA, Home           AAA          230,000    7.100    2010       08/01/09       230,000       264,199
   Mtg. Auth. SFM  Rev. Bonds                                                          @ 100.000

 8 Turnpike Auth. of Kentucky Res.         AAA          335,000    6.125    2007       07/01/06       335,000       346,068
   Recovery Road Rev. Bonds Ser. A                                                     @ 100.000     DEFINED ASSET FUNDS -
</TABLE>


                                      D-6
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES -  9

PORTFOLIO
AS OF AUGUST 31, 2000
<TABLE>
<CAPTION>
                                          Rating                                      Optional
    Portfolio No. and Title of               of           Face                        Redemption
            Securities                   Issues(1)       Amount  Coupon Maturities(3) Provisions(3)      Cost      Value(2)
            __________                   _________       ______  ______ _____________ _____________     ____      ________


 First Fidelity Bank
<S>                                      <C>       <C>           <C>       <C>        <C>            <C>           <C>



 9 Lafayette, Louisiana, Public Trust      AAA      $   205,000    7.200%   2010       04/01/09   $   205,000   $   220,976
   Financing Authority, SFM Revenue                                                    @ 100.500
   Bond, Ser. 1979 A

10 Massachusetts Health & Educational      AAA          170,000    5.750    2006       07/01/05       170,000       173,577
   Facilities Authority Revenue Bond,                                                  @ 100.000
   Beth Israel Hospital Ser. A

11 New York State Hsg. Fin. Agy.,          AAA          300,000    5.600    2002       11/01/01       300,000       303,354
   Hlth. Fac. Bonds, 1973 Ser. A                                                       @ 100.000

12 New York Hsg. Fin. Agy., Hosp. &        A(m)          40,000    5.500    2014       11/01/13        40,000        40,907
   Nursing Home Proj. Bonds, Ser. 1972 A                                               @ 100.000

13 Pulaski Cnty., AR, Residential Hsg.     AAA          245,000    7.250    2010       06/01/09       245,000       267,476
   Facs. Brd., Ser. A 1979                                                             @ 100.000

14 South Dakota Housing Development        A+           185,000    6.700    2020       Currently      185,000       187,022
   Authority, Multi-Family Housing
   Bonds, 1978 Ser. A

15 Virginia Housing Development            AA+          135,000    6.700    2021       11/01/20       135,000       135,238
   Authority, Multi-Family Mortgage                                                    @ 100.000
   Bond, 1978 Ser. B

16 West Virginia Housing Development       AAA          250,000    6.300    2007       11/01/06       250,000       250,040
   Fund Housing Finance Bonds, Ser.                                                    @ 100.000
   1977

                                                    ______________                               ______________ ______________
TOTAL                                                $5,437,000                                    $5,437,000    $5,645,618
                                                    ==============                               ============== ==============
</TABLE>
       See Notes to Portfolio.


                                      D-7
<PAGE>

DEFINED ASSET FUNDS - MUNICIPAL INVESTMENT TRUST FUND,
PUT SERIES - 9

NOTES TO PORTFOLIO
AS OF AUGUST 31, 2000

   (1) See Notes to Financial Statements.

   (2) 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.

 (3)   All Securities in the Fund are backed by repurchase commitments by the
       sellers.  These repurchase commitments may be called upon should an
       issuer fail to make payments of principal or interest (or any premiun
       which may be owing due to an early redemption call or otherwise) on a
       Security or in the event that interest on a Security should be deemed
       to be taxable and full payment of principal and any premium due is not
       made.  In addition, each Seller has committed, in order to provide
       liquidity, to each Seller has committed, in order to probide liquidity,
       to repurchase at any time on fourteen calender days' notice any
       Security at its Original Purchase Price to the fund plus accrued
       interest in the event that it is necessary to sell any Security to meet
       redemption of Units (should such redemption be made despite the market
       - making activity of the Sponsors).  The aforesaid repurchase
       commitments of the Sellers are backed by collateral.

 (4)   The Trustee will cause the Seller of each Security to purchase such
       Security at its Original Purchase Price to the fund on the Disposition
       Date specified unless on or before such date it can be sold, in the
       opinion of the Sponsors, for a net amount in excess of the Original
       Purchase Price of the Fund.

                                      D-8
<PAGE>
              Defined
            Asset Funds-Registered Trademark-

<TABLE>
<S>                                      <C>
HAVE QUESTIONS ?                         MUNICIPAL INVESTMENT TRUST FUND
Request the most recent free             PUT SERIES--9
Information Supplement                   (A Unit Investment Trust)
that gives more details about            ---------------------------------------
the Fund, by calling:                    This Prospectus does not contain
The Bank of New York                     complete information about the
1-800-221-7771                           investment company filed with the
                                         Securities and Exchange Commission in
                                         Washington, D.C. under the:
                                         - Securities Act of 1933 (file no.
                                         2-93889) 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.
                                                                    13136--12/00
</TABLE>



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