CORPORATE INCOME FUND MON PYMT SER 402 DEFINED ASSET FDS
497, 2000-09-29
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<PAGE>

                           DEFINED ASSET FUNDS-REGISTERED TRADEMARK-
                           ----------------------------------------------------

                           CORPORATE INCOME FUND
                           MONTHLY PAYMENT SERIES--402
                           (A UNIT INVESTMENT TRUST)

                           -  PORTFOLIO OF LONG TERM CORPORATE BONDS
                           -  DESIGNED FOR HIGH CURRENT INCOME
                           -  MONTHLY INCOME DISTRIBUTIONS
                           -  U.S. TAX EXEMPT FOR MANY FOREIGN HOLDERS

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 September 29, 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, MAY
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................................    7
  Interest Rate Risk..............................    7
  Call Risk.......................................    7
  Reduced Diversification Risk....................    7
  Liquidity Risk..................................    7
  Concentration Risk..............................    7
  Bond Quality Risk...............................    7
  Litigation Risk.................................    8
Selling or Exchanging Units.......................    8
  Sponsors' Secondary Market......................    8
  Selling Units to the Trustee....................    8
  Exchange Option.................................    9
How The Fund Works................................    9
  Pricing.........................................    9
  Evaluations.....................................    9
  Income..........................................   10
  Expenses........................................   10
  Portfolio Changes...............................   10
  Fund Termination................................   11
  Certificates....................................   11
  Trust Indenture.................................   11
  Legal Opinion...................................   12
  Auditors........................................   12
  Sponsors........................................   12
  Trustee.........................................   13
  Underwriters' and Sponsors' Profits.............   13
  Public Distribution.............................   13
  Code of Ethics..................................   13
  Year 2000 Issues................................   13
Taxes.............................................   14
Supplemental Information..........................   15
Financial Statements..............................  D-1
</TABLE>

                                       2
<PAGE>
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RISK/RETURN SUMMARY

 1. WHAT IS THE FUND'S OBJECTIVE?
   The Fund seeks high current interest income by investing in a fixed portfolio
   consisting primarily of corporate bonds.

 2. WHAT ARE CORPORATE BONDS?
   Corporate bonds are bonds issued by companies, governments or other
   institutions to raise money to use in their business or to fund their
   activities. In return, they pay a fixed rate of interest and principal at
   maturity.

 3. WHAT IS THE FUND'S INVESTMENT STRATEGY?
 - The Fund plans to hold to maturity 12 long-term corporate bonds with a
   current aggregate face amount of $13,343,000.

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

 - When the bonds were initially deposited (August 21, 1997), they were rated A
   or better by Standard & Poor's, Moody's or Fitch. THE CREDIT QUALITY OF THE
   BONDS MAY CURRENTLY BE LOWER.

 - 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.

   The Portfolio consists of corporate bonds of the following types of issuers:

<TABLE>
<CAPTION>
                                                    APPROXIMATE
                                                     PORTFOLIO
                                                    PERCENTAGE
<S>                                                 <C>
-Conglomerates                                            15%
-Corporate Utilities                                      34%
-Financial Institutions                                   22%
-Foreign Government/Municipal                              4%
-Manufacturing                                            22%
-U.S. Government                                           3%
</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 Fund is concentrated in corporate utility bonds, adverse
   developments in this industry 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.

 5. IS THIS FUND APPROPRIATE FOR YOU?
   Yes, if you want current monthly income. You will benefit from a
   professionally selected and supervised portfolio whose risk is reduced by
   investing in bonds of several different issuers.

   The Fund is NOT appropriate for you if you want a speculative investment that
   changes to take advantage of market movements or if you cannot tolerate any
   risk.

                                       3
<PAGE>
                              DEFINING YOUR INCOME

<TABLE>
<S>                                                 <C>
WHAT YOU MAY EXPECT (Payable on the 25th day each
month):
Regular Monthly Income per unit:                    $5.76
Annual Income per unit:                             $69.21
RECORD DAY: 10th day of each month
THESE FIGURES ARE ESTIMATES ON THE EVALUATION DATE; 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)                                           3.50%
</TABLE>

   Employees of some of the Sponsors and their affiliates may be charged 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                                        3.50%
$100,000 to $249,999                                      3.25%
$250,000 to $499,999                                      3.00%
$500,000 to $999,999                                      2.75%
$1,000,000 and over                                       2.50%

Maximum Exchange Fee                                      2.50%
</TABLE>

   ESTIMATED ANNUAL FUND OPERATING EXPENSES

<TABLE>
<CAPTION>
                                                     AMOUNT
                                                    PER UNIT
                                                    --------
<S>                                                 <C>
Trustee's Fee                                        $0.61
Portfolio Supervision,
 Bookkeeping and
 Administrative Fees
 (including updating
 expenses)                                           $0.55
Organization Costs                                   $0.20
Other Operating Expenses                             $0.78
                                                     -----
TOTAL                                                $2.14
</TABLE>

   The Sponsors historically paid organization costs and updating expenses.

 7. HOW HAVE SIMILAR FUNDS PERFORMED IN THE PAST?
   IN THE FOLLOWING CHART WE SHOW PAST PERFORMANCE OF PRIOR MONTHLY PAYMENT
   SERIES OF CORPORATE INCOME FUND, WHICH HAD THE SAME INVESTMENT OBJECTIVES,
   STRATEGIES AND TYPES OF BONDS AS THIS FUND. THESE PRIOR SERIES DIFFERED IN
   THAT THEY CHARGED A HIGHER SALES FEE. These prior Monthly Payment Series were
   offered after 1987 and were outstanding on June 30, 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 6/30/00.

<TABLE>
<CAPTION>
               WITH SALES FEE          NO SALES FEE
               1 YEAR     5 YEARS     1 YEAR     5 YEARS
<S>         <C>           <C>      <C>           <C>
--------------------------------------------------------
High               4.95%   5.02%          8.66%   6.19%
Average           -1.55    4.46           1.94    5.59
Low               -5.22    3.87          -1.85    4.99
--------------------------------------------------------
Average
Sales fee          3.60%   5.67%
--------------------------------------------------------
</TABLE>

NOTE: ALL RETURNS REPRESENT CHANGES IN UNIT PRICE WITH DISTRIBUTIONS REINVESTED
INTO THE CORPORATE 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.

 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.

                                       4
<PAGE>

<TABLE>
<S>                                                 <C>
UNIT PRICE PER UNIT                                 $914.08
(as of May 31, 2000)
</TABLE>

   Unit price is based on the net asset value of the Fund plus the up-front
   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 monthly. Interest on the bonds in this Fund is subject
   to federal income taxes for U.S. investors, but if you are a non-U.S.
   investor, your interest may be exempt from U.S. federal income taxes,
   including withholding taxes.

   You will also receive principal payments if bonds are sold or called or
   mature, when the cash available is more than $5.00 per unit. You will be
   subject to tax on any gain realized by the Fund on the disposition of bonds.

12. WHAT OTHER SERVICES ARE AVAILABLE?

   REINVESTMENT
   You will receive your monthly income in cash unless you choose to compound
   your income by reinvesting at no sales fee in the Corporate Fund Investment
   Accumulation program, Inc. This program is an open-end mutual fund with a
   comparable investment objective. Income from this program will be subject to
   U.S. federal income taxes for both U.S. and foreign investors. 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>
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 monthly income because
the portfolio is fixed.

Along with your monthly 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 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.

                                       6
<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.

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

The bonds will generally trade in the over-the-counter market. We cannot assure
you that a liquid trading market will exist, especially since current law may
restrict the Fund from selling bonds to any Sponsor. 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, the Fund is
said to be "concentrated" in that bond type, which makes the Fund less
diversified.

Here is what you should know about the Fund's concentration in corporate utility
bonds, including telecommunications bonds:

  - payment for these bonds depends on rates that the utility companies may
    charge, the demand for their services and their operating costs;
  - electric utilities face pressure to keep rates low, which may make it
    difficult to recover investments in generating plant;
  - utilities generally are sensitive to costs and availability of fuel;
  - some electric utilities are subject to the risks of the nuclear industry;
  - telecommunications companies are extensively regulated and the industry is
    increasingly competitive; and
  - the rate of technological innovation has a major impact on
    telecommunications companies.

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

BOND QUALITY RISK

A reduction in a bond's rating may decrease its value and, indirectly, the value
of your investment in the Fund.

                                       7
<PAGE>
LITIGATION RISK

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

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 a 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.

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

                                       8
<PAGE>
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 2.50%. You may exchange units of this Fund for units
of certain other funds at a reduced sales fee if your investment goals change.
To exchange units, you should talk to your financial professional about what
funds are exchangeable, suitable and currently available.

Normally, an exchange is taxable and you must recognize any gain or loss on the
exchange. However, the IRS may try to disallow a loss if the portfolios of the
two funds are not materially different; you should consult your own tax adviser.

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 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.

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

                                       9
<PAGE>
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 bonds has ranged from 0.25% of face amount on actively traded issues to
1.5% on inactively traded issues; the difference has averaged between 0.5% and
1%.

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 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.

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 or certain other conditions exist.

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

                                       10
<PAGE>
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.

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.

                                       11
<PAGE>
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
special counsel for the Sponsors, has given an opinion that the units are
validly issued.

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:
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED (a wholly-owned subsidiary of
Merrill Lynch & Co., Inc.)
P.O. Box 9051,
Princeton, NJ 08543-9051
SALOMON SMITH BARNEY INC. (an indirectly wholly-owned subsidiary of Citigroup
Inc.)
388 Greenwich Street--23rd Floor,
New York, NY 10013
DEAN WITTER REYNOLDS INC. (a principal operating subsidiary of Morgan Stanley
Dean Witter & Co.)
Two World Trade Center--59th Floor,
New York, NY 10048
PRUDENTIAL SECURITIES INCORPORATED (an
indirect wholly-owned subsidiary of the
Prudential Insurance Company of America)
One New York Plaza
New York, NY 10292
PAINEWEBBER INCORPORATED (a wholly-owned subsidiary of PaineWebber Group Inc.)
1285 Avenue of the Americas,
New York, NY 10019

Each Sponsor is a Delaware corporation and it, or its predecessor, has acted as
sponsor to

                                       12
<PAGE>
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 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.

YEAR 2000 ISSUES

Many computer systems were designed in such a way that they may be unable to
distinguish between the year 2000 and the year 1900 (commonly known as the "Year
2000 Problem"). To date we are not aware of any major operational difficulties
resulting from the computer system changes necessary to prepare for the Year
2000. However, there can be no assurance that the Year 2000 Problem will not
adversely affect the issuers of the bonds contained in the Portfolio. We cannot
predict whether any impact will be material to the Fund as a whole.

                                       13
<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.

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. You should consult your tax
adviser in this regard.

YOUR BASIS IN THE BONDS

Your aggregate basis in the bonds will be equal to the cost of your units,
including any sales charges and the organizational expenses you pay, adjusted to
reflect any accruals of "original issue discount," "acquisition premium" and
"bond premium". You should consult your tax adviser in this regard.

EXPENSES

If you are an individual who itemizes deductions, you may deduct your share of
Fund expenses, but only to the extent that such amount, together with your other
miscellaneous deductions, exceeds 2% of your adjusted gross income. Your ability
to deduct Fund expenses will be limited further if your adjusted gross income
exceeds a specified amount currently $128,950 ($64,475 for a married person
filing separately).

FOREIGN INVESTORS

If you are a foreign investor and you are not engaged in a U.S. trade or
business, you generally will not be subject to U.S. federal income tax,
including withholding tax, on the interest or gain on a bond issued after July
18, 1984 if you meet certain requirements, including the certification of
foreign status and other matters. You should consult your tax adviser about the
possible

                                       14
<PAGE>
application of federal, state and local, and foreign taxes.

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 portfolio, 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.

                                       15
<PAGE>

          CORPORATE INCOME FUND,
          MONTHLY PAYMENT SERIES - 402,
          DEFINED ASSET FUNDS

          REPORT OF INDEPENDENT ACCOUNTANTS

          The Sponsors,  Trustee and Holders of Corporate  Income Fund,  Monthly
          Payment Series - 402, Defined Asset Funds:

          We have audited the  accompanying  statement of condition of Corporate
          Income  Fund,  Monthly  Payment  Series - 402,  Defined  Asset  Funds,
          including the portfolio, as of May 31, 2000 and the related statements
          of operations and of changes in net assets for the years ended May 31,
          2000 and 1999 and the period  August 22, 1997 to May 31,  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 May 31, 2000,  as shown in such  portfolio,  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 Corporate
          Income Fund,  Monthly Payment Series - 402, Defined Asset Funds at May
          31,  2000 and the  results of its  operations  and  changes in its net
          assets for the  above-stated  periods in  accordance  with  accounting
          principles generally accepted in the United States of America.


          DELOITTE & TOUCHE LLP


          New York, N.Y.
          September 20, 2000


                                     D - 1.
<PAGE>

     CORPORATE INCOME FUND,
     MONTHLY PAYMENT SERIES - 402,
     DEFINED ASSET FUNDS


     STATEMENT OF CONDITION
     As of May 31, 2000

<TABLE>
     <S>                                                                                <C>             <C>
     TRUST PROPERTY:
       Investment in marketable securities -
          at value (cost $ 13,269,411 )(Note 1)........                                                 $11,673,771
       Accrued interest ...............................                                                     163,594
       Accrued interest on Segregated Bonds (Note 5) ..                                                       6,491
       Income payments receivable .....................                                                          24
       Income payments receivable (Segregated Bonds) ..                                                          39
       Principal payments receivable ..................                                                      46,024
       Cash - income on Segregated Bonds ..............                                                       2,430
       Cash - principal ...............................                                                     137,136
       Deferred organization costs (Note 6) ...........                                                      10,809
                                                                                                        -----------
         Total trust property .........................                                                  12,040,318


     LESS LIABILITIES:
       Income advance from Trustee.....................                                 $   106,475
       Deferred sales charge (Note 5) .................                                     144,110
       Principal payments payable (Segregated Bonds) ..                                       9,616
       Principal payments payable .....................                                          39
       Income payments payable (Segregated Bonds) .....                                         143
       Trustee's fees and expenses payable ............                                          44
       Accrued Sponsors' fees .........................                                       3,382
       Other liabilities (Note 6) .....................                                      10,809         274,618
                                                                                        -----------     -----------


     NET ASSETS, REPRESENTED BY:
       13,183 units of fractional undivided
          interest outstanding (Note 3)................                                  11,711,983

       Undistributed net investment income ............                                      53,717     $11,765,700
                                                                                        -----------     ===========

     UNIT VALUE ($ 11,765,700 / 13,183 units ).........                                                 $    892.49
                                                                                                        ===========
</TABLE>

                       See Notes to Financial Statements.


                                     D - 2.
<PAGE>

     CORPORATE INCOME FUND,
     MONTHLY PAYMENT SERIES - 402,
     DEFINED ASSET FUNDS


     STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                                                                                      August 22, 1997
                                                                                                             to
                                                                          Years Ended May 31,              May 31,
                                                                        2000              1999              1998
                                                                        ----              ----              ----

     <S>                                                            <C>               <C>               <C>
     INVESTMENT INCOME:
       Interest income ........................                     $ 1,086,956       $ 1,392,776       $ 1,155,000
       Interest income on Segregated Bonds ....                          26,689            48,636            51,079
       Trustee's fees and expenses ............                         (22,493)          (26,195)          (22,934)
       Sponsors' fees .........................                          (8,281)           (9,920)           (7,324)
                                                                    ------------------------------------------------
       Net investment income ..................                       1,082,871         1,405,297         1,175,821
                                                                    ------------------------------------------------


     REALIZED AND UNREALIZED GAIN (LOSS)
       ON INVESTMENTS:
       Realized gain (loss) on
         securities sold or redeemed ..........                        (287,345)          283,481            73,303
       Unrealized appreciation (depreciation)
         of investments .......................                      (1,221,075)       (1,351,476)          976,911
                                                                    ------------------------------------------------
       Net realized and unrealized
         gain (loss) on investments ...........                      (1,508,420)       (1,067,995)        1,050,214
                                                                    ------------------------------------------------


     NET INCREASE (DECREASE) IN NET ASSETS
       RESULTING FROM OPERATIONS ..............                     $  (425,549)      $   337,302       $ 2,226,035
                                                                    ================================================
</TABLE>

                       See Notes to Financial Statements.


                                     D - 3.
<PAGE>

     CORPORATE INCOME FUND,
     MONTHLY PAYMENT SERIES - 402,
     DEFINED ASSET FUNDS

     STATEMENTS OF CHANGES IN NET ASSETS

<TABLE>
<CAPTION>
                                                                                                      August 22, 1997
                                                                                                             to
                                                                          Years Ended May 31,              May 31,
                                                                        2000              1999              1998
                                                                        ----              ----              ----
<S>                                                                 <C>               <C>               <C>
     OPERATIONS:
       Net investment income ..................                     $ 1,082,871       $ 1,405,297       $ 1,175,821
       Realized gain (loss) on
         securities sold or redeemed ..........                        (287,345)          283,481            73,303
       Unrealized appreciation (depreciation)
         of investments .......................                      (1,221,075)       (1,351,476)          976,911
                                                                    ------------------------------------------------
       Net increase (decrease) in net assets
         resulting from operations ............                        (425,549)          337,302         2,226,035
                                                                    ------------------------------------------------
     DISTRIBUTIONS TO HOLDERS (Note 2):
       Income  ................................                      (1,061,199)       (1,362,860)       (1,027,745)
       Income on Segregated Bonds .............                         (31,364)          (53,436)          (18,726)
       Principal ..............................                         (11,230)
                                                                    ------------------------------------------------
       Total distributions ....................                      (1,103,793)       (1,416,296)       (1,046,471)
                                                                    ------------------------------------------------
     SHARE TRANSACTIONS:
       Subscription amounts ...................                                                          19,108,155
       Deferred sales charge :
         Principal ............................                        (274,470)         (457,014)         (313,480)
       Redemption amounts:
         Income ...............................                         (11,305)          (14,297)           (6,461)
         Income on Segregated Bonds ...........                          (4,287)           (7,893)           (1,883)
         Principal ............................                      (3,828,337)       (5,221,638)       (2,076,002)
                                                                    ------------------------------------------------
       Net share transactions .................                      (4,118,399)       (5,700,842)       16,710,329
                                                                    ------------------------------------------------
     NET INCREASE (DECREASE) IN NET ASSETS ....                      (5,647,741)       (6,779,836)       17,889,893

     NET ASSETS AT BEGINNING OF PERIOD ........                      17,413,441        24,193,277         6,303,384
                                                                    ------------------------------------------------
     NET ASSETS AT END OF PERIOD ..............                     $11,765,700       $17,413,441       $24,193,277
                                                                    ================================================
     PER UNIT:
       Income distributions during
         period ...............................                     $     69.56       $     69.86       $     50.16
                                                                    ================================================
       Principal distributions during
         period ...............................                     $      0.74
                                                                    ===========
       Income distributions on Segregated Bonds
         during period ........................                     $      2.10       $      2.83       $      0.77
                                                                    ================================================
       Net asset value at end of
         period ...............................                     $    892.49       $  1,008.01       $  1,084.32
                                                                    ================================================
     TRUST UNITS:
       Issued during period ...................                                                              18,240
       Redeemed during period .................                           4,092             5,037             2,008
       Outstanding at end of period ...........                          13,183            17,275            22,312
                                                                    ================================================
</TABLE>

                       See Notes to Financial Statements.


                                     D - 4.
<PAGE>

          CORPORATE INCOME FUND,
          MONTHLY PAYMENT SERIES - 402,
          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
          accordance 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 August 22, 1997 was based upon
                    offering side evaluations at August 20, 1997, the day prior
                    to the Date of Deposit. Cost of securities at August 22,
                    1997 was also based on such offering side evaluations.
                    Realized gains and losses on securities are determined
                    using the first-in, first-out method.

           (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 13,183 units at Date of Deposit ....................                                  $13,774,684
          Transfer to capital of interest on Segregated Bonds (Note 5)                                      126,404
          Redemptions of units - net cost of 11,137 units redeemed
            less redemption amounts (principal).......................                                      510,879
          Income on Segregated Bonds paid upon redemption ............                                      (14,063)
          Principal distributions ....................................                                      (11,230)
          Income distributions on Segregated Bonds ...................                                     (103,526)
          Deferred sales charge (Note 5) .............................                                   (1,044,964)
          Realized gain on securities sold or redeemed ...............                                       69,439
          Unrealized depreciation of investments .....................                                   (1,595,640)
                                                                                                        -----------

          Net capital applicable to Holders ..........................                                  $11,711,983
                                                                                                        ===========
</TABLE>

     4.   INCOME TAXES

          As of May 31, 2000, unrealized  depreciation of investments,  based on
          cost for Federal income tax purposes,  aggregated  $1,595,640,  all of
          which  related  to  depreciated  securities.  The  cost of  investment
          securities for Federal income tax purposes was  $13,269,411 at May 31,
          2000.


                                     D - 5.
<PAGE>

          CORPORATE INCOME FUND,
          MONTHLY PAYMENT SERIES - 402,
          DEFINED ASSET FUNDS

          NOTES TO FINANCIAL STATEMENTS

     5.   DEFERRED SALES CHARGE

          $368,000  face  amount  of  United  States  Treasury  Notes  have been
          segregated to fund the deferred sales  charges.  The sales charges are
          being paid for by the  maturity of these  bonds,  as well as principal
          proceeds   received  in  conjunction   with  the  disposition  of  the
          unsegregated bonds in the portfolio. A deferred sales charge of $13.44
          per Unit is charged each year,  and paid to the Sponsors  periodically
          by the Trustee on behalf of the Holders,  up to an aggregate of $40.32
          per unit 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.

     6.   DEFERRED ORGANIZATION COSTS

          Deferred  organization  costs are  being  amortized  over five  years.
          Included in "Other  liabilities"  on the  Statement  of  Condition  is
          $10,809 payable to the Trustee for  reimbursement  of costs related to
          the organization of the Trust.


                                     D - 6.
<PAGE>

     CORPORATE INCOME FUND,
     MONTHLY PAYMENT SERIES - 402,
     DEFINED ASSET FUNDS

     PORTFOLIO
     As of May 31, 2000

<TABLE>
<CAPTION>
                                   Rating of Issues(1)
                                   --------------------
                                              Standard
                                   Moody's    & Poor's                                          Optional
     Portfolio No. and Title of    Investors  Corpora-     Face                                Redemption
            Securities             Service    tion        Amount      Coupon    Maturities(3) Provisions(3)  Cost(2)     Value(2)
            ----------             --------- --------- -----------  ----------- ------------- ------------ ----------- -----------
<S>                               <C>        <C>        <C>         <C>           <C>          <C>          <C>         <C>
   1 Banc One Corporation,           A1          A-   $ 1,505,000     7.625 %      2026         None       $ 1,574,746 $ 1,373,809
     Subordinated Debentures

   2 Bellsouth Telecommunications,   Aa2         AAA    1,185,000     7.625        2035         None         1,232,432   1,062,984
     Debentures

   3 Ford Motor Company, Debs.       A2          A         45,000     7.500        2026         None            48,353      41,147

   4 General Motors Corporation,     A2          A        950,000     7.400        2025         None           993,876     868,063
     Debentures

   5 Hutchinson Whampoa Financial    A3          A      2,000,000     7.500        2027         None         1,939,936   1,653,728
     Notes, Company Guaranty, Ser.
     AI

   6 IBM Corporation, Debentures     A1          A+     1,930,000     7.000        2025         None         1,906,087   1,777,877


   7 NationsBank Corporation         Aa3         A      1,475,000     7.250        2025         None         1,487,527   1,290,885


   8 Pacific Gas & Electric Co.,     A1          AA-      110,000     7.250        2026         None           112,007      94,439
     First Rfdg. Mtge. Bonds

   9 Quebec Province Government      A2          A+       580,000     7.125        2024         None           589,620     526,712
     Debentures, Ser. NN

  10 Southern California Gas,        A1          AA-    1,400,000     6.875        2025         None         1,347,592   1,162,094
     First Mtge. Bonds, Ser. EE

  11 US West Communications          A2          A      1,795,000     6.875        2033         None         1,668,287   1,454,033
     Company, Debentures

  12 United States Treasury Notes    Aaa         AAA      368,000     6.000        2000         None           368,948     368,000
     (4)

                                                        ----------                                          ----------  ----------
     TOTAL                                             $13,343,000                                         $13,269,411 $11,673,771
                                                        ==========                                          ==========  ==========
</TABLE>

                             See Notes to Portfolio.


                                     D - 7.
<PAGE>

     CORPORATE INCOME FUND,
     MONTHLY PAYMENT SERIES - 402,
     DEFINED ASSET FUNDS

     NOTES TO PORTFOLIO
     As of May 31, 2000

    (1)   "NR",  if  applicable,  indicates  that this security is not currently
          rated  by the  indicated  rating  service.  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) These bonds have been segregated to fund the deferred sales charges.


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

<TABLE>
<S>                                      <C>
HAVE QUESTIONS ?                         CORPORATE INCOME FUND
Request the most                         MONTHLY PAYMENT SERIES--402
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.
                                         333-24531) and
                                         - Investment Company Act of 1940 (file
                                         no. 811-2295).
                                         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.
                                                                     11319--9/00
</TABLE>


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