VAN KAMPEN AMERICAN CAPITAL EQUITY OPPORTUNITY TRUST SER 73
485BPOS, 1999-12-27
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File No. 333-35033
CIK #1025219


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

                                 Post-Effective
                               Amendment No. 2 to
                                    Form S-6

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

         Van Kampen American Capital Equity Opportunity Trust, Series 73
                              (Exact Name of Trust)

                              Van Kampen Funds Inc.
                            (Exact Name of Depositor)

                               One Parkview Plaza
                        Oakbrook Terrace, Illinois 60181
          (Complete address of Depositor's principal executive offices)

  VAN KAMPEN FUNDS INC.                               CHAPMAN AND CUTLER
  Attention: A. Thomas Smith III, General Counsel     Attention: Mark J. Kneedy
  One Parkview Plaza                                  111 West Monroe Street
  Oakbrook Terrace, Illinois 60181                    Chicago, Illinois 60603
               (Name and complete address of agents for service)

    ( X ) Check  if it is proposed that this filing will become effective
          on December 27, 1999 pursuant to paragraph (b) of Rule 485.

VAN KAMPEN AMERICAN CAPITAL EQUITY OPPORTUNITY TRUST, SERIES 73
Baby boomer opportunity TRUST, SERIES 3

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

                               PROSPECTUS PART ONE

  NOTE: Part I of this Prospectus may not be distributed unless accompanied by
   Part II. Please retain both parts of this Prospectus for future reference.

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


                                    THE TRUST
Van Kampen American Capital Equity Opportunity Trust, Series 73 (the "Fund") is
comprised of one unit investment trust, Baby Boomer Opportunity Trust, Series 3
(the "Trust"). The Trust offers investors the opportunity to purchase Units
representing proportionate interests in a fixed, diversified portfolio of
actively traded equity securities primarily issued by companies from a variety
of industries expected to benefit from demographic trends associated with those
born between 1946 and 1964, commonly referred to as the "Baby Boomers." Unless
terminated earlier, the Trust will terminate on March 16, 2003 ("Mandatory
Termination Date") and any securities then held will, within a reasonable time
thereafter, be liquidated or distributed by the Trustee. Any Securities
liquidated at termination will be sold at the then current market value for such
Securities; therefore, the amount distributable in cash to a Unitholder upon
termination may be more or less than the amount such Unitholder paid for his
Units.

                              PUBLIC OFFERING PRICE
The Public Offering Price per Unit is equal to the aggregate underlying value of
the Equity Securities plus or minus cash, if any, in the Capital and Income
Accounts plus the applicable sales charge as described herein, divided by the
number of Units outstanding. See "Summary of Essential Financial Information" in
this Part One.

  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION NOR HAS THE COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY
 OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

                The Date of this Prospectus is December 27, 1999


                                   Van Kampen
         VAN KAMPEN AMERICAN CAPITAL EQUITY OPPORTUNITY TRUST, SERIES 73
                     Baby Boomer Opportunity Trust, Series 3
                   Summary of Essential Financial Information
                              As of October 1, 1999
                         Sponsor: Van Kampen Funds Inc.
                Supervisor: Van Kampen Investment Advisory Corp.
                          (An Affiliate of the Sponsor)
                Evaluator: American Portfolio Evaluation Services
                   (A division of an affiliate of the Sponsor)
                          Trustee: The Bank of New York

<TABLE>
<CAPTION>

                                                                                                            Baby
                                                                                                           Boomer
                                                                                                         Opportunity
                                                                                                            Trust
                                                                                                       ---------------
General Information
<S>                                                                                                       <C>
Number of Units                                                                                           1,964,491.943
Fractional Undivided Interest in Trust per Unit                                                         1/1,964,491.943
Public Offering Price:
      Aggregate Value of Securities in Portfolio (1)                                                  $   21,716,026.21
      Aggregate Value of Securities per Unit (including accumulated dividends)                        $           11.05
      Sales charge 3.5% (3.627% of Aggregate Value of Securities
         excluding principal cash per Unit) (3)                                                       $             .40
      Public Offering Price per Unit (2)(3)                                                           $           11.45
Redemption Price per Unit                                                                             $           11.05
Secondary Market Repurchase Price per Unit                                                            $           11.05
Excess of Public Offering Price per Unit Over Redemption Price per Unit                               $             .40
</TABLE>

Supervisor's Annual Supervisory Fee      Maximum of $.0025 per Unit
Evaluator's Annual Fee                   Maximum of $.0025 per Unit
Evaluation Time                          Close of the New York Stock Exchange
Initial Date of Deposit                  September 16, 1997
Mandatory Termination Date               March 16, 2003

Minimum Termination Value The Trust may be terminated if the net asset value of
such Trust is less than $500,000 unless the net asset value of such Trust
deposits has exceeded $15,000,000, then the Trust Agreement may be terminated if
the net asset value of such Trust is less than $3,000,000.
<TABLE>
<CAPTION>

<S>                                                 <C>
Estimated Net Annual Dividends per Unit             $.06635
Trustee's Annual fee                                $.008 per Unit
Estimated Annual Organizational Expenses (4)        $.00617 per Unit
Income Distribution Record Date                     TENTH day of March, June, September and December
Income Distribution Date                            TWENTY-FIFTH day of March, June, September and December
Capital Account Record Date                         TENTH day of December
Capital Account Distribution Date                   TWENTY-FIFTH day of December
</TABLE>


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

(1)  Equity Securities listed on a national securities exchange are valued at
     the closing sale price, or if no such price exists, or if the Equity
     Securities are not listed, at the closing bid price thereof.

(2)  Anyone ordering Units will have added to the Public Offering Price a pro
     rata share of any cash in the Income and Capital Accounts.

(3)  On each September 16, commencing September 16, 1998 the secondary sales
     charge will be reduced by .5 of 1% to a minimum sales charge of 3.0%. See
     "Public Offering-Offering Price" in Part Two.

(4)  The Trust (and therefore Unitholders) will bear all or a portion of its
     organizational costs (including costs of preparing the registration
     statement, the trust indenture and other closing documents, registering
     Units with the Securities and Exchange Commission and states, the initial
     audit of the Trust portfolio and the initial fees and expenses of the
     Trustee but not including the expenses incurred in the preparation and
     printing of brochures and other advertising materials and any other selling
     expenses) as is common for mutual funds. Total organizational expenses will
     be amortized over the life of the Trust. See "Expenses of the Trust" in
     Part Two and "Statement of Condition." Historically, the sponsors of unit
     investment trusts have paid all the costs of establishing such trusts.


                                    PORTFOLIO
   The Baby Boomer Opportunity Trust consists of 28 different issues of Equity
Securities which are primarily actively traded, equity securities issued by
companies from a variety of industries expected to benefit from demographic
trends associated with those born between 1946 and 1964, commonly referred to as
"Baby Boomers". All of the Equity Securities are listed on a national or foreign
securities exchange, or are traded in the over-the-counter market as of the
Initial Date of Deposit.
<TABLE>
<CAPTION>

                              PER UNIT INFORMATION

                                                                                             1998 (1)         1999
                                                                                          ------------   ------------
<S>                                                                                       <C>            <C>
Net asset value per Unit at beginning of period.........................................  $       9.52   $       8.24
                                                                                          ============   ============
Net asset value per Unit at end of period...............................................  $       8.24   $      11.39
                                                                                          ============   ============
Distributions to Unitholders of investment income including accumulated dividends paid
   on Units redeemed (average Units outstanding for entire period)......................  $       0.05   $       0.08
                                                                                          ============   ============
Distributions to Unitholders from Equity Security redemption proceeds (average Units
   outstanding for entire period).......................................................  $       0.18   $         --
                                                                                          ============   ============
Unrealized appreciation (depreciation) of Equity Securities (per Unit outstanding at
   end of period).......................................................................  $      (1.17)  $       4.15
                                                                                          ============   ============
Distributions of investment income by frequency of payments
   Quarterly............................................................................  $       0.04   $       0.07
Units outstanding at end of period......................................................     2,955,019      2,018,968
</TABLE>


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

(1)  For the period from September 16, 1997 (date of deposit) through August 31,
     1998.


               REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

To the Board of Directors of Van Kampen Funds, Inc. and the Unitholders of Van
Kampen American Capital Equity Opportunity Trust, Series 73 (Baby Boomer
Opportunity Trust, Series 3):

   We have audited the accompanying statement of condition (including the
analyses of net assets) and the related portfolio of Van Kampen American Capital
Equity Opportunity Trust, Series 73 (Baby Boomer Opportunity Trust, Series 3) as
of August 31, 1999 and the related statements of operations and changes in net
assets for the period from September 16, 1997 (date of deposit) through August
31, 1998 and the year ended August 31, 1999. These statements are the
responsibility of the Trustee and the Sponsor. Our responsibility is to express
an opinion on such statements based on our audit.

   We conducted our audit in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. Our procedures included
confirmation of securities owned at August 31, 1999 by correspondence with the
Trustee. An audit also includes assessing the accounting principles used and
significant estimates made by the Trustee and the Sponsor, as well as evaluating
the overall financial statement presentation. We believe our audit provides a
reasonable basis for our opinion.

   In our opinion, the financial statements referred to above present fairly, in
all material respects, the financial position of the Van Kampen American Capital
Equity Opportunity Trust, Series 73 (Baby Boomer Opportunity Trust, Series 3) as
of August 31, 1999 and the results of operations and changes in net assets for
the period from September 16, 1997 (date of deposit) through August 31, 1998 and
the year ended August 31, 1999, in conformity with generally accepted accounting
principles.

                                                              GRANT THORNTON LLP

Chicago, Illinois
October 15, 1999

<TABLE>
<CAPTION>

         VAN KAMPEN AMERICAN CAPITAL EQUITY OPPORTUNITY TRUST, SERIES 73
                             Statement of Condition
                                 August 31, 1999

                                                                                                           Baby Boomer
                                                                                                           Opportunity
                                                                                                              Trust
                                                                                                        ---------------
   Trust property
<S>                                                                                                      <C>
      Cash                                                                                               $           977
      Securities at market value, (cost $18,104,874) (note 1)                                                 23,017,896
      Accumulated dividends                                                                                        2,710
      Organizational Expense                                                                                      36,710
                                                                                                         ---------------
                                                                                                         $    23,058,293
                                                                                                         ===============
   Liabilities and interest to Unitholders
      Interest to Unitholders                                                                            $    22,995,267
      Redemptions payable                                                                                         63,026
                                                                                                         ---------------
                                                                                                         $    23,058,293
                                                                                                         ===============


                             Analyses of Net Assets


   Interest of Unitholders (2,018,968 Units of fractional undivided interest outstanding)
      Cost to original investors of 3,632,110 Units (note 1)                                             $    37,370,662
        Less initial underwriting commission (note 3)                                                          1,688,655
                                                                                                         ---------------
                                                                                                              35,682,007
        Less redemption of 1,613,142 Units                                                                    17,102,055
                                                                                                         ---------------
                                                                                                              18,579,952
      Undistributed net investment income
        Net investment income                                                                                    246,810
        Less distributions to Unitholders                                                                        336,779
                                                                                                         ---------------
                                                                                                                 (89,969)
   Realized gain (loss) on Security sale                                                                         234,514
   Unrealized appreciation (depreciation) of Securities (note 2)                                               4,913,022
   Distributions to Unitholders of Security sale proceeds                                                             --
   Deferred Sales Charges                                                                                       (642,252)
                                                                                                         ---------------
          Net asset value to Unitholders                                                                 $    22,995,267
                                                                                                         ===============
   Net asset value per Unit (2,018,968 Units outstanding)                                                $         11.39
                                                                                                         ===============
</TABLE>


        The accompanying notes are an integral part of these statements.
<TABLE>
<CAPTION>

                     BABY BOOMER OPPORTUNITY TRUST, SERIES 3
                            Statements of Operations
    Period from September 16, 1997 (date of deposit) through August 31, 1998
                       and the year ended August 31, 1999

                                                                                               1998          1999
                                                                                           ------------- -------------
   Investment income
<S>                                                                                        <C>           <C>
      Dividend income..................................................................    $   193,520   $    156,239
      Expenses
         Trustee fees and expenses.....................................................         22,449         27,201
         Evaluator fees................................................................          6,812          7,889
         Supervisory fees..............................................................          6,794          7,889
         Organizational fees...........................................................         11,680         12,235
                                                                                           ------------- -------------
            Total expenses.............................................................         47,735         55,214
                                                                                           ------------- -------------
         Net investment income.........................................................        145,785        101,025
   Realized gain (loss) from Security sale
      Proceeds.........................................................................      7,713,065     10,098,695
      Cost.............................................................................      7,803,516      9,773,730
                                                                                           ------------- -------------
         Realized gain (loss)..........................................................        (90,451)       324,965
   Net change in unrealized appreciation (depreciation) of Securities..................     (3,462,027)     8,375,049
                                                                                           ------------- -------------
         NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS...............    $(3,406,693)  $  8,801,039
                                                                                           ------------- -------------

                       Statements of Changes in Net Assets
    Period from September 16, 1997 (date of deposit) through August 31, 1998
                       and the year ended August 31, 1999

                                                                                               1998          1999
                                                                                           ------------- -------------
   Increase (decrease) in net assets Operations:
      Net investment income............................................................    $   145,785   $    101,025
      Realized gain (loss) on Securities sales.........................................        (90,451)       324,965
      Net change in unrealized appreciation (depreciation) of Securities...............     (3,462,027)     8,375,049
                                                                                           ------------- -------------
         Net increase (decrease) in net assets resulting from operations...............     (3,406,693)     8,801,039
   Distributions to Unitholders from:
      Net investment income............................................................       (147,501)      (189,278)
      Security sale or redemption proceeds.............................................       (543,758)            --
   Redemption of Units.................................................................     (7,222,108)    (9,879,947)
   Deferred Sales Charges..............................................................             --        (98,494)
                                                                                           ------------- -------------
         Total increase (decrease).....................................................    (11,320,060)    (1,366,680)
   Net asset value to Unitholders
      Beginning of period..............................................................     35,674,614     24,354,554
   Additional Sucurities purchased from proceeds of Unit Sales.........................             --          7,393
                                                                                           ------------- -------------
      End of period (including undistributed net investment income of $(1,716)
         and $(89,969), respectively)..................................................    $24,354,554   $ 22,995,267
                                                                                           ============= =============
</TABLE>


        The accompanying notes are an integral part of these statements.
<TABLE>
<CAPTION>

BABY BOOMER OPPORTUNITY TRUST                                                          PORTFOLIO as of August 31, 1999
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                         Valuation of
Number                                                                                   Market Value     Securities
of Shares          Name of Issuer                                                          Per Share        (Note 1)
- ---------------    ------------------------------------------------------------------------------------ ---------------
<S>               <C>                                                                   <C>              <C>
         21,401   American International Group                                          $   92.6875      $   1,983,605
- --------------------------------------------------------------------------------------------------------------------------
         11,828   Bank of America Corpoation                                                60.5000            715,594
- --------------------------------------------------------------------------------------------------------------------------
         20,022   Callaway Golf Company                                                      9.9375            198,969
- --------------------------------------------------------------------------------------------------------------------------
         43,907   Cisco Systems, Incorporated                                               67.7500          2,974,699
- --------------------------------------------------------------------------------------------------------------------------
         21,038   Compaq Computer Corporation                                               23.1875            487,819
- --------------------------------------------------------------------------------------------------------------------------
         15,289   Conseco Incorporated                                                      24.0000            366,936
- --------------------------------------------------------------------------------------------------------------------------
         37,426   Del Webb Corporation                                                      21.7500            814,016
- --------------------------------------------------------------------------------------------------------------------------
         16,944   Equitable Companies, Incorporated                                         61.7500          1,046,292
- --------------------------------------------------------------------------------------------------------------------------
         18,736   First Data Corporation                                                    44.0000            824,384
- --------------------------------------------------------------------------------------------------------------------------
         16,951   Franklin Resources, Incorporated                                          35.9375            609,177
- --------------------------------------------------------------------------------------------------------------------------
         26,165   Harley-Davidson, Incorporated                                             54.5000          1,425,992
- --------------------------------------------------------------------------------------------------------------------------
         21,419   Hilton Hotels Corporation                                                 12.2500            262,383
- --------------------------------------------------------------------------------------------------------------------------
         14,680   Intel Corporation                                                         82.1875          1,206,512
- --------------------------------------------------------------------------------------------------------------------------
         28,598   K2, Incorporated                                                           9.1250            260,957
- --------------------------------------------------------------------------------------------------------------------------
         20,842   Marriott International, Incorporated                                      34.2500            713,839
- --------------------------------------------------------------------------------------------------------------------------
         22,447   Mentor Corporation                                                        23.3750            524,699
- --------------------------------------------------------------------------------------------------------------------------
         14,939   Merck & Company, Incorporated                                             67.1875          1,003,714
- --------------------------------------------------------------------------------------------------------------------------
         26,568   Oracle Corporation                                                        36.4375            968,071
- --------------------------------------------------------------------------------------------------------------------------
         21,419   Park Place Entertainment                                                  11.3125            242,302
- --------------------------------------------------------------------------------------------------------------------------
         23,227   Petco Animal Supplies, Incorporated                                       12.5000            290,337
- --------------------------------------------------------------------------------------------------------------------------
         32,323   Royal Carribean Cruises Ltd.                                              46.8125          1,513,120
- --------------------------------------------------------------------------------------------------------------------------
         21,169   Service Corporation International                                         13.8125            292,397
- --------------------------------------------------------------------------------------------------------------------------
          2,695   Sodexho Marriott Services Incorporated                                    14.1250             38,067
- --------------------------------------------------------------------------------------------------------------------------
         19,636   Sunrise Assisted Living, Incorporated                                     24.9375            489,673
- --------------------------------------------------------------------------------------------------------------------------
         29,535   Tiffany & Company                                                         52.8750          1,561,663
- --------------------------------------------------------------------------------------------------------------------------
         23,893   T. Rowe Price Associates                                                  30.6250            731,723
- --------------------------------------------------------------------------------------------------------------------------
         26,968   Walt Disney Company                                                       27.7500            748,362
- --------------------------------------------------------------------------------------------------------------------------
         20,142   Whole Foods Market, Incorporated                                          35.8750            722,594

  -------------                                                                                          --------------
        620,207                                                                                          $  23,017,896
  =============                                                                                          ==============
</TABLE>

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

The accompanying notes are an integral part of these statements.


         VAN KAMPEN AMERICAN CAPITAL EQUITY OPPORTUNITY TRUST, SERIES 73
                          Notes to Financial Statements
                            August 31, 1998 and 1999
- --------------------------------------------------------------------------------

NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
   Security Valuation - Securities listed on a national securities exchange are
valued at the closing sales price or, if no such price exists, or if the Equity
Securities are not listed at the closing bid price thereof.

   Security Cost - The original cost to the Trust of the Securities was based,
for Securities listed on a national securities exchange on the closing sale
prices on the exchange or, if not so listed, on the ask price thereof. The cost
was determined on the day of the various Dates of Deposit.

   Unit Valuation - The redemption price per Unit is the pro rata share of each
Unit based upon (1) the cash on hand in the Trust or monies in the process of
being collected, (2) the Securities in the Trust based on the value described in
Note 1 and (3) accumulated dividends thereon, less accrued expenses of the
Trust, if any.

   Federal Income Taxes - Each Unitholder is considered to be the owner of a pro
rata portion of the Trust and, accordingly, no provision has been made for
Federal Income Taxes.

   Other - The financial statements are presented on the accrual basis of
accounting. Any realized gains or losses from securities transactions are
reported on an identified cost basis.

   Organizational Costs - The trust will bear all or a portion of its
organizational costs, which will be deferred and amoritized over the life of the
trust.

NOTE 2 - PORTFOLIO
   Unrealized Appreciation and Depreciation - An analysis of net unrealized
appreciation (depreciation) at August 31, 1999 is as follows:


                                    Baby Boomer
                                    Opportunity
                                       Trust
                                 ----------------
   Unrealized Appreciation       $     8,327,360
   Unrealized Depreciation            (3,414,338)
                                 ----------------
                                 $     4,913,022
                                 ================

NOTE 3 - OTHER
   Marketability - Although it is not obligated to do so, the Sponsor intends to
maintain a market for Units and to continuously offer to purchase Units at
prices, subject to change at any time, based upon the value of the Securities in
the portfolio of the Trust valued as described in Note 1, plus accumulated
dividends to the date of settlement. If the supply of Units exceeds demand, or
for other business reasons, the Sponsor may discontinue purchases of Units at
such prices. In the event that a market is not maintained for the Units, a
Unitholder desiring to dispose of his Units may be able to do so only by
tendering such Units to the Trustee for redemption price.

   Cost to Investors - The cost to original investors was based on adding to the
underlying value of the Securities per Unit on the date of an investor's
purchase, plus an amount equal to the difference between the maximum sales
charge of 4.5% of the Public Offering Price which is equivalent to 4.712% of the
aggregate underlying value of the Securities and the maximum deferred sales
charge of ($0.20 per Unit). These investors paid a deferred sales charge of
$0.20 per Unit. Effective on each September 16th commencing September 16, 1998,
the secondary market sales charge does not include deferred payments but will
instead include only a one-time initial sales charge of 4.0% of the Public
Offering Price and will decrease by .5 of 1% to a minimum sales charge of 3.0%.
   Compensation of Evaluator and Supervisor - The Supervisor receives a fee for
providing portfolio supervisory services for the Trust ($.0025 per Unit, not to
exceed the aggregate cost of the Supervisor for providing such services to all
applicable Trusts). The Evaluator receives an annual fee for regularly
evaluating the Trust's portfolio. Both fees may be adjusted for increases under
the category "All Services Less Rent of Shelter" in the Consumer Price Index.

NOTE 4 - REDEMPTION OF UNITS
   During the period from September 16, 1997 (date of deposit) through August
31, 1998 and the year ended August 31, 1999, 676,386 Units and 936,756 Units,
respectively, were presented for redemption.




Baby Boomer Opportunity Trust                                Prospectus Part Two
- --------------------------------------------------------------------------------

   The Fund. Van Kampen American Capital Equity Opportunity Trust, Van Kampen
Equity Opportunity Trust or Van Kampen Focus Portfolios (the "Fund" ) are
comprised of separate and distinct unit investment trusts, including series of
the Baby Boomer Opportunity Trust (the "Trust"). The Trust offers investors the
opportunity to purchase Units representing proportionate interests in a fixed
portfolio of equity securities issued by companies from a variety of industries
expected to benefit from demographic trends associated with those born between
1946 and 1964, commonly referred to as the "Baby Boomers" ("Equity Securities"
or "Securities" ). See "Trust Portfolio" . Unless terminated earlier, the Trust
will terminate on the Mandatory Termination Date set forth under "Summary of
Essential Financial Information" in Part One and any Securities then held will,
within a reasonable time thereafter, be liquidated or distributed by the
Trustee. Any Securities liquidated at termination will be sold at the then
current market value for such Securities; therefore, the amount distributable in
cash to a Unitholder upon termination may be more or less than the amount such
Unitholder paid for his Units.

   Attention Foreign Investors. If you are not a United States citizen or
resident, distributions from the Trust will generally be subject to U.S. Federal
withholding taxes; however, under certain circumstances treaties between the
United States and other countries may reduce or eliminate such withholding tax.
See "Federal Taxation." Such investors should consult their tax advisers
regarding the imposition of U.S. withholding on distributions.

   Objective of the Trust..The objective of the Trust is to provide the
potential for capital appreciation and income, consistent with the preservation
of invested capital, by investing in a portfolio of equity securities of
companies from a variety of industries expected to benefit from demographic
trends associated with those born between 1946 and 1964. See "Objectives and
Securities Selection." There is, of course, no guarantee that the objective of
the Trust will be achieved.

   Public Offering Price. The Public Offering Price of the Units of the Trust
includes the aggregate underlying value of the Securities in the Trust's
portfolio, the applicable sales charge described herein, and cash, if any, in
the Income and Capital Accounts held or owned by the Trust. For sales charges in
the secondary market, see "Public Offering." The minimum purchase is 100 Units
except for certain transactions described under "Public Offering."

   Units of the Trust are not deposits or obligations of, or guaranteed or
endorsed by, any bank and are not federally insured or otherwise protected by
the Federal Deposit Insurance Corporation, the Federal Reserve Board or any
other agency and involve investment risk, including the possible loss of
principal.


      NOTE: THIS PROSPECTUS MAY BE USED ONLY WHEN ACCOMPANIED BY PART ONE.

  Both parts of this Prospectus should be retained for future reference. This
 Prospectus is dated as of the date of the Prospectus Part I accompanying this
                              Prospectus Part II.


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

  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION NOR HAS THE COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY
 OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

   Dividend and Capital Distributions. Distributions of dividends and capital,
if any, received by the Trust will be paid in cash on the applicable
Distribution Date to Unitholders of record on the record date as set forth in
the "Summary of Essential Financial Information" in Part One. Gross dividends
received by the Trust will be distributed to Unitholders. Expenses of the Trust
will be paid with proceeds from the sale of Securities. For the consequences of
such sales, see "Federal Taxation" . Additionally, upon termination of the
Trust, the Trustee will distribute, upon surrender of Units for redemption, to
each Unitholder his pro rata share of the Trust's assets, less expenses, in the
manner set forth under "Rights of Unitholders--Distributions of Income and
Capital."

   Secondary Market for Units. Although not obligated to do so, the Sponsor
intends to maintain a market for Units of the Trust and offer to repurchase such
Units at prices which are based on the aggregate underlying value of Equity
Securities in the Trust (generally determined by the closing sale or bid prices
of the Securities) plus or minus cash, if any, in the Capital and Income
Accounts of the Trust. If a secondary market is not maintained, a Unitholder may
redeem Units through redemption at prices based upon the aggregate underlying
value of the Equity Securities in the Trust plus or minus a pro rata share of
cash, if any, in the Capital and Income Accounts of the Trust. A Unitholder
tendering 1,000 or more Units for redemption may request a distribution of
shares of Securities (reduced by customary transfer and registration charges) in
lieu of payment in cash. See "Rights of Unitholders--Redemption of Units."

   Termination. Commencing nine business days before, but beginning no later
than the Mandatory Termination Date, Equity Securities may be sold in connection
with the termination of the Trust. The Sponsor will determine the manner, timing
and execution of the sale of the Equity Securities. Written notice of any
termination of the Trust specifying the time or times at which Unitholders may
surrender their certificates for cancellation shall be given by the Trustee to
each Unitholder at his address appearing on the registration books of the Trust
maintained by the Trustee. At least 30 days prior to the Mandatory Termination
Date the Trustee will provide written notice thereof to all Unitholders and will
include with such notice a form to enable Unitholders to elect a distribution of
shares of Equity Securities if such Unitholder owns at least 1,000 Units of the
Trust, rather than to receive payment in cash for such Unitholder's pro rata
share of the amounts realized upon the disposition by the Trustee of Equity
Securities. All Unitholders will receive cash in lieu of any fractional shares.
To be effective, the election form, together with surrendered certificates if
issued, and other documentation required by the Trustee, must be returned to the
Trustee at least five business days prior to the Mandatory Termination Date.
Unitholders not electing a distribution of shares of Equity Securities will
receive a cash distribution from the sale of the remaining Securities within a
reasonable time after the Trust is terminated. See "Trust
Administration--Amendment or Termination."

   Reinvestment Option. Unitholders of any Van Kampen unit investment trust may
utilize their redemption or termination proceeds to purchase units of any other
Van Kampen trust in the initial offering period accepting rollover investments
subject to a reduced sales charge to the extent stated in the related prospectus
(which may be deferred in certain cases). Unitholders also have the opportunity
to have their distributions reinvested into additional Units of the Trust, if
Units are available at the time of reinvestment, or into an open-end management
investment company as described herein. See "Rights of Unitholders--Reinvestment
Option."

   Risk Factors. An investment in the Trust should be made with an understanding
of the risks associated therewith, including the possible deterioration of the
financial condition of the issuers, the general condition of the stock market
and volatile interest rates. See "Risk Factors" and "Trust Portfolio."

 THE TRUST

   The Fund is comprised of separate and distinct unit investment trusts,
including series of the Baby Boomer Opportunity Trust. The Trust was created
under the laws of the State of New York pursuant to a Trust Indenture and
Agreement (the "Trust Agreement"), dated the Initial Date of Deposit, among Van
Kampen Funds Inc., as Sponsor, American Portfolio Evaluation Services, a
division of Van Kampen Investment Advisory Corp., as Evaluator, Van Kampen
Investment Advisory Corp., as Supervisor, and The Bank of New York, as Trustee
or their predecessors.

   The Trust offers investors the opportunity to purchase Units representing
proportionate interests in a portfolio of actively traded equity securities
issued by companies from a variety of industries expected to benefit from
demographic trends associated with those born between 1946 and 1964, commonly
referred to as "Baby Boomers." Diversification of assets in the Trust will not
eliminate the risk of loss always inherent in the ownership of securities.

   On the Initial Date of Deposit, the Sponsor deposited with the Trustee the
Securities, including delivery statements relating to contracts for the purchase
of certain such Securities and an irrevocable letter of credit issued by a
financial institution in the amount required for such purchases. Thereafter, the
Trustee, in exchange for such Securities (and contracts) so deposited, delivered
to the Sponsor documentation evidencing the ownership of Units of the Trust.
Unless otherwise terminated as provided in the Trust Agreement, the Trust will
terminate on the Mandatory Termination Date and Securities then held will within
a reasonable time thereafter be liquidated or distributed by the Trustee.

   Each Unit of the Trust initially offered represents an undivided interest in
the Trust. To the extent that any Units are redeemed by the Trustee, the
fractional undivided interest in the Trust represented by each unredeemed Unit
will increase, although the actual interest in the Trust represented by such
fraction will remain unchanged. Units will remain outstanding until redeemed
upon tender to the Trustee by Unitholders, which may include the Sponsor, or
until the termination of the Trust Agreement.

 OBJECTIVES AND SECURITIES SELECTION

   The Trust seeks to increase the value of your Units over time and provide
dividend income by investing in a portfolio of common stocks of companies that
we believe will benefit from demographic trends associated with the Baby Boomer
generation. In selecting stocks for the portfolio, we considered the extent to
which the companies provide goods or services to Baby Boomers.

   The Baby Boomer Generation. Baby Boomers represent more than one-third of all
Americans. The Baby Boom generation includes the 76 million Americans born
between 1946 and 1964. Baby Boomers began turning 50 years old in 1996.
Approximately every seven seconds of every day for the following ten years a
Baby Boomer will turn 50. Estimates show that the number of people between 50
and 64 will almost double over the fifteen years following 1996.

   The needs and desires of this generation are significant concerns of many
businesses. For example, when the first Baby Boomers arrived, the diaper
industry prospered. When they took their first steps, the shoe industry grew.
When Baby Boomers started families, the construction industry prospered because
schools and larger houses had to be built. When they focused on their careers in
the 1980s, publications like The Wall Street Journal and Fortune experienced
significant growth.

   As Baby Boomers move into their fifties, we expect them to continue to make
significant changes in their lifestyles. We expect this will continue to impact
the American economy. We believe Baby Boomers will make concrete plans for
retirement, have more leisure time, and use computers at home to communicate,
plan and shop. We also expect their health care concerns will become
increasingly important. As a result, we selected companies that we believe are
in a solid position to benefit from these shifting American demographics. The
Trust targets companies from the following economic sectors:

         o Entertainment                 o  Leisure

         o Financial                     o  Real Estate

         o Healthcare                    o  Technology

   General. An investor will be subject to taxation on the dividend income
received from the Trust and on gains from the sale or liquidation of Securities
(see "Federal Taxation" ). Investors should be aware that there is not any
guarantee that the objectives of the Trust will be achieved because they are
subject to the continuing ability of the respective Security issuers to continue
to declare and pay dividends and because the market value of the Securities can
be affected by a variety of factors. Common stocks may be especially susceptible
to general stock market movements and to volatile increases and decreases of
value as market confidence in and perceptions of the issuers change. Investors
should be aware that there can be no assurance that the value of the underlying
Securities will increase or that the issuers of the Equity Securities will pay
dividends on outstanding common shares. Any distributions of income will
generally depend upon the declaration of dividends by the issuers of the
Securities and the declaration of any dividends depends upon several factors
including the financial condition of the issuers and general economic
conditions.

   Investors should note that the above criteria were applied to the Equity
Securities selected for inclusion in the Trust as of the Initial Date of
Deposit. Subsequent to the Initial Date of Deposit, the Securities may no longer
meet such criteria. Should an Equity Security no longer meet such criteria, such
Equity Security will not, simply as a result of such fact, be removed from the
portfolio of the Trust.

   Investors should be aware that the Trust is not a "managed" fund and as a
result the adverse financial condition of a company will not result in its
elimination from the portfolio except under extraordinary circumstances (see
"Trust Administration--Portfolio Administration" ). In addition, Securities will
not be sold by the Trust to take advantage of market fluctuations or changes in
anticipated rates of appreciation. Investors should note in particular that the
Securities were selected by the Sponsor as of the Initial Date of Deposit. The
Trust may continue to purchase or hold Securities originally selected through
this process even though the evaluation of the attractiveness of the Securities
may have changed and, if the evaluation were performed again at that time, the
Securities would not be selected for the Trust.

 TRUST PORTFOLIO

   The Trust consists of Equity Securities which are primarily issued by
companies from a variety of industries expected to benefit from demographic
trends associated with those born between 1946 and 1964, commonly referred to as
the "Baby Boomers" . All of the Equity Securities are listed on a national
securities exchange, the NASDAQ National Market System or are traded in the
over-the-counter market.

   General. The Trust consists of (a) the Securities listed under " Portfolio"
in Part One as may continue to be held from time to time in the Trust, (b) any
additional Securities acquired and held by the Trust pursuant to the provisions
of the Trust Agreement and (c) any cash held in the Income and Capital Accounts.
Neither the Sponsor nor the Trustee shall be liable in any way for any failure
in any of the Securities. However, should any contract for the purchase of any
of the Securities initially deposited hereunder fail, the Sponsor will, unless
substantially all of the moneys held in the Trust to cover such purchase are
reinvested in substitute Securities in accordance with the Trust Agreement,
refund the cash and sales charge attributable to such failed contract to all
Unitholders on the next distribution date.

   Because certain of the Equity Securities from time to time may be sold under
certain circumstances described herein, and because the proceeds from such
events will in most cases be distributed to Unitholders and will not be
reinvested, no assurance can be given that the Trust will retain for any length
of time its present size and composition. Although the portfolio is not managed,
the Sponsor may instruct the Trustee to sell Equity Securities under certain
limited circumstances. See "Trust Administration--Portfolio Administration."
Equity Securities, however, will not be sold by the Trust to take advantage of
market fluctuations or changes in anticipated rates of appreciation or
depreciation.

 RISK FACTORS

   Equity Securities. An investment in Units should be made with an
understanding of the risks which an investment in common stocks entails,
including the risk that the financial condition of the issuers of the Equity
Securities or the general condition of the common stock market may worsen and
the value of the Equity Securities and therefore the value of the Units may
decline. Common stocks are especially susceptible to general stock market
movements and to volatile increases and decreases of value as market confidence
in and perceptions of the issuers change. These perceptions are based on
unpredictable factors including expectations regarding government economic,
monetary and fiscal policies, inflation and interest rates, economic expansion
or contraction, global or regional political, economic or banking crises.
Shareholders of common stocks have rights to receive payments from the issuers
of those common stocks that are generally subordinate to those of creditors of,
or holders of debt obligations or preferred stocks of, such issuers.
Shareholders of common stocks of the type held by the Trust have a right to
receive dividends only when and if, and in the amounts, declared by the issuer's
board of directors and have a right to participate in amounts available for
distribution by the issuer only after all other claims on the issuer have been
paid or provided for. Certain of the issuers may currently be in arrears with
respect to preferred stock dividend payments. Common stocks do not represent an
obligation of the issuer and, therefore, do not offer any assurance of income or
provide the same degree of protection of capital as do debt securities. The
issuance of additional debt securities or preferred stock will create prior
claims for payment of principal, interest and dividends which could adversely
affect the ability and inclination of the issuer to declare or pay dividends on
its common stock or the rights of holders of common stock with respect to assets
of the issuer upon liquidation or bankruptcy. The value of common stocks is
subject to market fluctuations for as long as the common stocks remain
outstanding, and thus the value of the Equity Securities in the portfolio may be
expected to fluctuate over the life of the Trust to values higher or lower than
those prevailing on the Initial Date of Deposit or at the time a Unitholder
purchases Units.
   Holders of common stocks incur more risk than holders of preferred stocks and
debt obligations because common stockholders, as owners of the entity, have
generally inferior rights to receive payments from the issuer in comparison with
the rights of creditors of, or holders of debt obligations or preferred stocks
issued by, the issuer. Cumulative preferred stock dividends must be paid before
common stock dividends and any cumulative preferred stock dividend omitted is
added to future dividends payable to the holders of cumulative preferred stock.
Preferred stockholders are also generally entitled to rights on liquidation
which are senior to those of common stockholders.

   Whether or not the Equity Securities are listed on a national securities
exchange, the principal trading market for the Equity Securities may be in the
over-the-counter market. As a result, the existence of a liquid trading market
for the Equity Securities may depend on whether dealers will make a market in
the Equity Securities. There can be no assurance that a market will be made for
any of the Equity Securities, that any market for the Equity Securities will be
maintained or of the liquidity of the Equity Securities in any markets made. In
addition, the Trust may be restricted under the Investment Company Act of 1940
from selling Equity Securities to the Sponsor. The price at which the Equity
Securities may be sold to meet redemptions, and the value of the Trust, will be
adversely affected if trading markets for the Equity Securities are limited or
absent.

   As described under "Trust Operating Expenses," all of the expenses of the
Trust will be paid from the sale of Securities from the Trust. It is expected
that such sales will be made at the end of the initial offering period and each
month thereafter through termination of the Trust. Such sales will result in
capital gains and losses and may be made at times and prices which adversely
affect the Trust. For a discussion of the tax consequences of such sales, see
"Federal Taxation."

   Unitholders will be unable to dispose of any of the Equity Securities in the
portfolio, as such, and will not be able to vote the Equity Securities. As the
holder of the Equity Securities, the Trustee will have the right to vote all of
the voting stocks in the Trust and will vote such stocks in accordance with the
instructions of the Sponsor. In the absence of any such instructions by the
Sponsor, the Trustee will vote such stocks so as to insure that the stocks are
voted as closely as possible in the same manner and the same general proportion
as are shares held by owners other than the Trust.

   Year 2000 Readiness Disclosure. These two paragraphs constitute "Year 2000
Readiness Disclosure" within the meaning of the Year 2000 Information and
Readiness Disclosure Act of 1998. If computer systems used by the Sponsor,
Evaluator, Supervisor, Trustee or other service providers to the Trusts do not
properly process date-related information after December 31, 1999, the resulting
difficulties could adversely impact the Trusts. This is commonly known as the
"Year 2000 Problem." The Sponsor, Evaluator, Supervisor and Trustee are taking
steps to address this problem and to obtain reasonable assurances that other
service providers to the Trusts are taking comparable steps. We cannot guarantee
that these steps will be sufficient to avoid any adverse impact on the Trusts.
This problem may impact corporations to varying degrees based on factors such as
industry sector and degree of technological sophistication. We cannot predict
what impact, if any, this problem will have on the issuers of the Securities.

   In addition, computer failures throughout the financial services industry
beginning January 1, 2000 could have a detrimental effect on the markets for the
Securities. Improperly functioning trading systems may result in settlement
problems and liquidity issues. Moreover, corporate and governmental data
processing errors may adversely affect issuers and overall economic
uncertainties. Remediation costs will affect the earnings of individual issuers.
These costs could be substantial. Issuers may report these costs inconsistently
in U.S. and foreign financial markets. All of these issues could adversely
affect the Securities and the Trusts.

 FEDERAL TAXATION

   The following is a general discussion of certain of the federal income tax
consequences of the purchase, ownership and disposition of the Units of your
Trust. The summary is limited to investors who hold the Units as "capital
assets" (generally, property held for investment within the meaning of Section
1221 of the Internal Revenue Code of 1986 (the "Code")). Unitholders should
consult their tax advisers in determining the federal, state, local and any
other tax consequences of the purchase, ownership and disposition of Units in
the Trust. For purposes of the following discussion and opinion, it is assumed
that each Security in the Trust is equity for federal income tax purposes.

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

   1. The Trust is not an association taxable as a corporation for federal
income tax purposes; each Unitholder will be treated as the owner of a pro rata
portion of each of the assets of the Trust under the Code; and the income of the
Trust will be treated as income of the Unitholders thereof under the Code. Each
Unitholder will be considered to have received his pro rata share of income
derived from each Security asset when such income is considered to be received
by the Trust.

   2. A Unitholder will be considered to have received all of the dividends paid
on his pro rata portion of each Security when such dividends are considered to
be received by the Trust regardless of whether such dividends are used to pay a
portion of any deferred sales charge imposed. Unitholders will be taxed in this
manner regardless of whether distributions from the Trust are actually received
by the Unitholder or are automatically reinvested (see "Rights of
Unitholders--Reinvestment Option").

   3. Each Unitholder will have a taxable event when the Trust disposes of a
Security (whether by sale, exchange, liquidation, redemption, or otherwise) or
upon the sale or redemption of Units by such Unitholder (except to the extent an
in kind distribution of stock is received by such Unitholder as described
below). The price a Unitholder pays for his Units, generally including sales
charges, is allocated among his pro rata portion of each Security held by the
Trust (in proportion to the fair market values thereof on the valuation date
nearest the date the Unitholder purchase his Units) in order to determine his
initial tax basis for his pro rata portion of each Security held by the Trust.
Unitholders should consult their own tax advisers with regard to calculation of
basis. For federal income tax purposes, a Unitholder's pro rata portion of
dividends as defined by Section 316 of the Code paid by a corporation with
respect to a Security held by the Trust are taxable as ordinary income to the
extent of such corporation's current and accumulated "earnings and profits". A
Unitholder's pro rata portion of dividends paid on such Security which exceeds
such current and accumulated earnings and profits will first reduce a
Unitholder's tax basis in such Security, and to the extent that such dividends
exceed a Unitholder's tax basis in such Equity Security shall generally be
treated as capital gain. In general, the holding period for such capital gain
will be determined by the period of time a Unitholder has held his Units.

   4. A Unitholder's portion of gain, if any, upon the sale or redemption of
Units or the disposition of Securities held by the Trust will generally be
considered a capital gain, except in the case of a dealer or a financial
institution. A Unitholder's portion of loss, if any, upon the sale or redemption
of Units or the disposition of Securities held by the Trust will generally be
considered a capital loss (except in the case of a dealer or a financial
institution). Unitholders should consult their tax advisers regarding the
recognition of such capital gains and losses for federal income tax purposes.

   Dividends Received Deduction. A corporation that owns Units will generally be
entitled to a 70% dividends received deduction with respect to such Unitholder's
pro rata portion of dividends received by the Trust (to the extent such
dividends are taxable as ordinary income, as discussed above, and are
attributable to domestic corporations) in the same manner as if such corporation
directly owned the Securities paying such dividends (other than corporate
Unitholders, such as "S" corporations, which are not eligible for the deduction
because of their special characteristics and other than for purposes of special
taxes such as the accumulated earnings tax and the personal holding corporation
tax). However, a corporation owning Units should be aware that Sections 246 and
246A of the Code impose additional limitations on the eligibility of dividends
for the 70% dividends received deduction. These limitations include a
requirement that stock (and therefore Units) must generally be held at least 46
days (as determined under Section 246(c) of the Code). Final regulations have
been issued which address special rules that must be considered in determining
whether the 46 day holding requirement is met. Moreover, the allowable
percentage of the deduction will be reduced from 70% if a corporate Unitholder
owns certain stock (or Units) the financing of which is directly attributable to
indebtedness incurred by such corporation. To the extent dividends received by
the Trust are attributable to foreign corporations, a corporation that owns
Units will not be entitled to the dividends received deduction with respect to
its pro rata portion of such dividends, since the dividends received deduction
is generally available only with respect to dividends paid by domestic
corporations. Unitholders should consult with their tax advisers with respect to
the limitations on and possible modifications to the dividends received
deduction.

   Limitations on Deductibility of Trust Expenses by Unitholders. Each
Unitholder's pro rata share of each expense paid by the Trust is deductible by
the Unitholder to the same extent as though the expense had been paid directly
by him. As a result of the Tax Reform Act of 1986, certain miscellaneous
itemized deductions, such as investment expenses, tax return preparation fees
and employee business expenses will be deductible by an individual only to the
extent they exceed 2% of such individual's adjusted gross income. Unitholders
may be required to treat some or all of the expenses of the Trust as
miscellaneous itemized deductions subject to this limitation. Unitholders should
consult with their own tax advisers regarding the deductibility of Trust
expenses.

   Recognition of Taxable Gain or Loss Upon Disposition of Securities by the
Trust or Disposition of Units. As discussed above, a Unitholder may recognize
taxable gain (or loss) when a Security is disposed of by the Trust or if the
Unitholder disposes of a Unit. The Internal Revenue Service Restructing and
Reform Act of 1998 (the "1998 Tax Act") provides that for taxpayers other than
corporations, net capital gain (which is defined as net long-term capital gain
over net short-term capital loss for the taxable year) realized from property
(with certain exclusions) is subject to a maximum marginal stated tax rate of
20% (10% in the case of certain taxpayers in the lowest tax bracket). Capital
gain or loss is long-term if the holding period for the asset is more than one
year, and is short-term if the holding period for the asset is one year or less.
The date on which a Unit is acquired (i.e., the "trade date") is excluded for
purposes of determining the holding period of the Unit. Capital gains realized
from assets held for one year or less are taxed at the same rates as ordinary
income.

   In addition, please note that capital gains may be recharacterized as
ordinary income in the case of certain financial transactions that are
considered "conversion transactions" effective for transactions entered into
after April 30, 1993. Unitholders and prospective investors should consult with
their tax advisers regarding the potential effect of this provision on their
investment in Units.

   If a Unitholder disposes of a Unit he is deemed thereby to have disposed of
his entire pro rata interest in all assets of the Trust including his pro rata
portion of all Securities represented by a Unit.

   The Taxpayer Relief Act of 1997 (the "1997 Tax Act") includes provisions that
treat certain transactions designed to reduce or eliminate risk of loss and
opportunities for gain (e.g., short sales, offsetting notional principal
contracts, futures or forward contracts or similar transactions) as constructive
sales for purposes of recognition of gain (but not of loss) and for purposes of
determining the holding period. Unitholders should consult their own tax
advisers with regard to any such constructive sales rules.

   Special Tax Consequences of In Kind Distributions Upon Redemption of Units or
Termination of the Trust. As discussed in "Rights of Unitholders--Redemption of
Units", under certain circumstances a Unitholder tendering Units for redemption
may request an in kind distribution. A Unitholder may also under certain
circumstances request an in kind distribution upon the termination of the Trust.
See "Rights of Unitholders--Redemption of Units. As previously discussed, prior
to the redemption of Units or the termination of the Trust, a Unitholder is
considered as owning a pro rata portion of each of the Trust's assets for
federal income tax purposes. The receipt of an in kind distribution will result
in a Unitholder receiving an undivided interest in whole shares of stock plus,
possibly, cash.

   The potential tax consequences that may occur under an in kind distribution
with respect to each Security held by the Trust will depend on whether or not a
Unitholder receives cash in addition to Securities. A "Security" for this
purpose is a particular class of stock issued by a particular corporation. A
Unitholder will not recognize gain or loss if a Unitholder only receives
Securities in exchange for his or her pro rata portion in the Securities held by
the Trust. However, if a Unitholder also receives cash in exchange for a
fractional share of such Security held by the Trust, such Unitholder will
generally recognize gain or loss based upon the difference between the amount of
cash received by the Unitholder and his tax basis in such fractional share of a
Security held by the Trust.

   Because the Trust will own many Securities, a Unitholder who requests an in
kind distribution will have to analyze the tax consequences with respect to each
Security owned by the Trust. The amount of taxable gain (or loss) recognized
upon such exchange will generally equal the sum of the gain (or loss) recognized
under the rules described above by such Unitholder with respect to each Security
owned by the Trust. Unitholders who request an in kind distribution are advised
to consult their tax advisers in this regard.

   Computation of the Unitholder's Tax Basis. Initially, a Unitholder's tax
basis in his Units will generally equal the price paid by such Unitholder of his
Units. The cost of the Units is allocated among the Securities held in the Trust
in accordance with the proportion of the fair market values of such Securities
on the valuation date nearest the date the Units are purchased in order to
determine such Unitholder's tax basis for his pro rata portion of each Security.

   A Unitholder's tax basis in his Units and his pro rata portion of a Security
held by the Trust will be reduced to the extent dividends paid with respect to
such Security are received by the Trust which are not taxable as ordinary income
as described above.

   General. Each Unitholder will be requested to provide the Unitholder's
taxpayer identification number to the Trustee and to certify that the Unitholder
has not been notified that payments to the Unitholder are subject to back-up
withholding. If the proper taxpayer identification number and appropriate
certification are not provided when requested, distributions by the Trust to
such Unitholder (including amounts received upon the redemption of Units) will
be subject to back-up withholding. Distributions by the Trust (other than those
that are not treated as United States source income, if any) will generally be
subject to United States income taxation and withholding in the case of Units
held by non-resident alien individuals, foreign corporations or other non-United
States persons. Such persons should consult their tax advisers.

   In general, income that is not effectively connected to the conduct of a
trade or business within the United States that is earned by non-U.S.
Unitholders and derived from dividends of foreign corporations will not be
subject to U.S. withholding tax provided that less than 25 percent of the gross
income of the foreign corporations for a three-year period ending with the close
of its taxable year preceding payment was effectively connected to the conduct
of a trade or business within the United States. In addition, such earnings may
be exempt from U.S. withholding pursuant to a specific treaty between the United
States and a foreign country. Non-U.S. Unitholders should consult their own tax
advisers regarding the imposition of U.S. withholding on distributions from the
Trust.

   It should be noted that payments to the Trust of dividends on Securities that
are attributable to foreign corporations may be subject to foreign withholding
taxes and Unitholders should consult their tax advisers regarding the potential
tax consequences relating to the payment of any such withholding taxes by the
Trust. Any dividends withheld as a result thereof will nevertheless be treated
as income to the Unitholders. Because, under the grantor trust rules, an
investor is deemed to have paid directly his share of foreign taxes that have
been paid or accrued, if any, an investor may be entitled to a foreign tax
credit or deduction for United States tax purposes with respect to such taxes.
The 1997 Tax Act imposes a required holding period for such credits. Investors
should consult their tax advisers with respect to foreign withholding taxes and
foreign tax credits.

   At the termination of the Trust, the Trustee will furnish to each Unitholder
of the Trust a statement containing information relating to the dividends
received by the Trust on the Securities, the gross proceeds received by the
Trust from the disposition of any Security (resulting from redemption or the
sale of any Security), and the fees and expenses paid by the Trust. The Trustee
will also furnish annual information returns to Unitholders and to the Internal
Revenue Service.

   In the opinion of special counsel to the Trust for New York tax matters, the
Trust is not an association taxable as a corporation and the income of the Trust
will be treated as the income of the Unitholders under the existing income tax
laws of the State and City of New York.

   The foregoing discussion relates only to the tax treatment of U.S.
Unitholders ("U.S. Unitholders") with regard to federal and certain aspects of
New York State and City income taxes. Unitholders may be subject to taxation in
New York or in other jurisdictions and should consult their own tax advisers in
this regard. As used herein, the term "U.S. Unitholder" means an owner of a Unit
of the Trust that (a) is (i) for United States federal income tax purposes a
citizen or resident of the United States, (ii) a corporation, partnership or
other entity created or organized in or under the laws of the United States or
of any political subdivision thereof, or (iii) an estate or trust the income of
which is subject to United States federal income taxation regardless of its
source or (b) does not qualify as a U.S. Unitholder in paragraph (a) but whose
income from a Unit is effectively connected with such Unitholder's conduct of a
United States trade or business. The term also includes certain former citizens
of the United States whose income and gain on the Units will be taxable.
Unitholders should consult their tax advisers regarding potential foreign, state
or local taxation with respect to the Units.

 TRUST OPERATING EXPENSES

   Compensation of Sponsor and Evaluator. The Sponsor will not receive any fees
in connection with its activities relating to the Trust. However, Van Kampen
Investment Advisory Corp., which is an affiliate of the Sponsor, will receive an
annual supervisory fee which is not to exceed the amount set forth under
"Summary of Essential Financial Information" in Part One for providing portfolio
supervisory services for the Trust. Such fee (which is based on the number of
Units outstanding on January 1 of each year for which such compensation relates)
may exceed the actual costs of providing such supervisory services for this
Trust, but at no time will the total amount received for portfolio supervisory
services rendered to all Series of the Fund and to any other unit investment
trusts sponsored by the Sponsor for which the Supervisor provides portfolio
supervisory services in any calendar year exceed the aggregate cost to the
Supervisor of supplying such services in such year. In addition, the Evaluator,
which is a division of Van Kampen Investment Advisory Corp., shall receive the
annual per Unit evaluation fee set forth under "Summary of Essential Financial
Information" in Part One (which amount is based on the number of Units
outstanding on January 1 of each year for which such compensation relates) for
regularly evaluating the Trust portfolio. The foregoing fees are payable as
described under "General" below. Both of the foregoing fees may be increased
without approval of the Unitholders by amounts not exceeding proportionate
increases under the category "All Services Less Rent of Shelter" in the Consumer
Price Index published by the United States Department of Labor or, if such
category is no longer published, in a comparable category. The Sponsor will
receive sales commissions and may realize other profits (or losses) in
connection with the sale of Units and the deposit of the Securities as described
under "Public Offering--Sponsor Compensation."

   Trustee's Fee. For its services the Trustee will receive the annual per Unit
fee from the Trust set forth under "Summary of Essential Financial Information"
in Part One (which amount is based on the number of Units outstanding on January
1 of each year for which such compensation relates). The Trustee's fees are
payable as described under "General" below. The Trustee benefits to the extent
there are funds for future distributions, payment of expenses and redemptions in
the Capital and Income Accounts since these Accounts are non-interest bearing to
Unitholders and the amounts earned by the Trustee are retained by the Trustee.
Part of the Trustee's compensation for its services to the Trust is expected to
result from the use of these funds. Such fees may be increased without approval
of the Unitholders by amounts not exceeding proportionate increases under the
category "All Services Less Rent of Shelter" in the Consumer Price Index
published by the United States Department of Labor or, if such category is no
longer published, in a comparable category. For a discussion of the services
rendered by the Trustee pursuant to its obligations under the Trust Agreement,
see "Rights of Unitholders--Reports Provided" and "Trust Administration."

   Miscellaneous Expenses. Expenses incurred in establishing the Trust,
including the cost of the initial preparation of documents relating to the Trust
(including the Prospectus, Trust Agreement and certificates), federal and state
registration fees, the initial fees and expenses of the Trustee, legal and
accounting expenses, payment of closing fees and any other out-of-pocket
expenses, will be paid by the Trust and amortized over a five year period. The
following additional charges are or may be incurred by the Trust: (a) normal
expenses (including the cost of mailing reports to Unitholders) incurred in
connection with the operation of the Trust, (b) fees of the Trustee for
extraordinary services, (c) expenses of the Trustee (including legal and
auditing expenses) and of counsel designated by the Sponsor, (d) various
governmental charges, (e) expenses and costs of any action taken by the Trustee
to protect the Trust and the rights and interests of Unitholders, (f)
indemnification of the Trustee for any loss, liability or expenses incurred in
the administration of the Trust without negligence, bad faith or willful
misconduct on its part, (g) accrual of costs associated with liquidating
securities and (h) expenditures incurred in contacting Unitholders upon
termination of the Trust. Each Trust may pay the expenses of updating its
registration statement each year. Unit investment trust sponsors have
historically paid these expenses. The expenses set forth herein are payable as
described under "General" below.

   General. The fees and expenses of the Trust will accrue on a daily basis. The
fees and expenses are payable out of the Capital Account. When such fees and
expenses are paid by or owing to the Trustee, they are secured by a lien on the
Trust's portfolio. It is expected that the balance in the Capital Account will
be insufficient to provide for amounts payable by the Trust and that Equity
Securities will be sold from the Trust to pay such amounts. These sales will
result in capital gains or losses to Unitholders. See "Federal Taxation" .

 PUBLIC OFFERING

   General. Units are offered at the Public Offering Price. The Public Offering
Price is based on the aggregate underlying value of the Securities in the
Trust's portfolio, the sales charge described below, and cash, if any, in the
Income and Capital Accounts held or owned by the Trust. The sales charge for
secondary market transactions is described under "Summary of Essential FInancial
Information" in Part One and will generally be reduced by .5 of 1% annually to a
minimum sales charge of 3.5%.

   Any sales charge reduction will primarily be the responsibility of the
selling broker, dealer or agent. Employees, officers and directors (including
their spouses, children, grandchildren, parents, grandparents, siblings,
mothers-in-law, fathers-in-law, sons-in-law and daughters-in-law, and trustees,
custodians or fiduciaries for the benefit of such persons) of Van Kampen Funds
Inc. and its affiliates, dealers and their affiliates and vendors providing
services to the Sponsor may purchase Units at the Public Offering Price less the
applicable dealer concession.

   Units may be purchased in the primary or secondary market at the Public
Offering Price (for purchases which do not qualify for a sales charge reduction
for quantity purchases) less the concession the Sponsor typically allows to
brokers and dealers for purchases (see "Public Offering--Unit Distribution" ) by
(1) investors who purchase Units through registered investment advisers,
certified financial planners and registered broker-dealers who in each case
either charge periodic fees for financial planning, investment advisory or asset
management service, or provide such services in connection with the
establishment of an investment account for which a comprehensive "wrap fee"
charge is imposed, (2) bank trust departments investing funds over which they
exercise exclusive discretionary investment authority and that are held in a
fiduciary, agency, custodial or similar capacity, (3) any person who for at
least 90 days, has been an officer, director or bona fide employee of any firm
offering Units for sale to investors or their spouse or children and (4)
officers and directors of bank holding companies that make Units available
directly or through subsidiaries or bank affiliates. Notwithstanding anything to
the contrary in this Prospectus, such investors, bank trust departments, firm
employees and bank holding company officers and directors who purchase Units
through this program will not receive sales charge reductions for quantity
purchases.

   Offering Price. The Public Offering Price of the Units will vary from the
amounts stated under "Summary of Essential Financial Information" in Part One in
accordance with fluctuations in the prices of the underlying Securities in the
Trust.

   As indicated above, the price of the Units was established by adding to the
determination of the aggregate underlying value of the Securities an amount
equal to the total sales charge and dividing the sum so obtained by the number
of Units outstanding. The Public Offering Price shall also include the
proportionate share of any cash held in the Capital Account. This computation
produced a gross underwriting profit equal to the total sales charge. Such price
determination as of the close of business on the day before the Initial Date of
Deposit was made on the basis of an evaluation of the Securities in the Trust
prepared by Interactive Data Corporation, a firm regularly engaged in the
business of evaluating, quoting or appraising comparable securities. After the
close of business on the day before the Initial Date of Deposit, the Evaluator
will appraise or cause to be appraised daily the value of the underlying
Securities as of the Evaluation Time on days the New York Stock Exchange is open
and will adjust the Public Offering Price of the Units commensurate with such
valuation. Such Public Offering Price will be effective for all orders received
prior to the Evaluation Time on each such day. Orders received by the Trustee or
Sponsor for purchases, sales or redemptions after that time, or on a day when
the New York Stock Exchange is closed, will be held until the next determination
of price. The Sponsor currently does not intend to maintain a secondary market
during the last six months of a Trust's life.

   The value of the Equity Securities is determined on each business day by the
Evaluator in the following manner: If the Equity Securities are listed on a
national securities exchange this evaluation is generally based on the closing
sale prices on that exchange (unless it is determined that these prices are
inappropriate as a basis for valuation) or, if there is no closing sale price on
that exchange, at the closing bid prices. If the Equity Securities are not so
listed or, if so listed and the principal market therefor is other than on the
exchange, the evaluation shall generally be based on the current bid price on
the over-the-counter market (unless it is determined that these prices are
inappropriate as a basis for evaluation). If current bid prices are unavailable,
the evaluation is generally determined (a) on the basis of current bid prices
for comparable securities, (b) by appraising the value of the Equity Securities
on the bid side of the market or (c) by any combination of the above.

   In offering the Units to the public, neither the Sponsor nor any
broker-dealers are recommending any of the individual Securities in the Trust
but rather the entire pool of Securities, taken as a whole, which are
represented by the Units.

   Unit Distribution. Units will be distributed to the public by the Sponsor,
broker-dealers and others at the Public Offering Price. Units repurchased in the
secondary market, if any, may be offered by this Prospectus at the secondary
market Public Offering Price in the manner described above.

   The Sponsor intends to qualify the Units for sale in a number of states. Any
discount provided to investors will be borne by the selling dealer or agent as
indicated under "General" above. For secondary market transactions, the
concession or agency commission will amount to 70% of the sales charge
applicable to the transaction. The breakpoint concession or agency commission
are applied on either a Unit or a dollar basis utilizing a breakpoint equivalent
of $10 per Unit and will be applied on whichever basis is more favorable to the
broker-dealer. The breakpoints will be adjusted to take into consideration
purchase orders stated in dollar which cannot be completely fulfilled due to the
requirement that only whole Units be issued.

   Certain commercial banks are making Units of the Trust available to their
customers on an agency basis. A portion of the sales charge (equal to the agency
commission referred to above) is retained by or remitted to the banks. Under the
Glass-Steagall Act, banks are prohibited from underwriting Trust Units; however,
the Glass-Steagall Act does permit certain agency transactions and the banking
regulators have not indicated that these particular agency transactions are not
permitted under such Act. In addition, state securities laws on this issue may
differ from the interpretations of federal law expressed herein and banks and
financial institutions may be required to register as dealers pursuant to state
law.

   To facilitate the handling of transactions, sales of Units shall normally be
limited to transactions involving a minimum of 100 Units except as stated
herein. In connection with fully disclosed transactions with the Sponsor, the
minimum purchase requirement will be that number of Units set forth in the
contract between the Sponsor and the related broker or agent. The Sponsor
reserves the right to reject, in whole or in part, any order for the purchase of
Units and to change the amount of the concession or agency commission to dealers
and others from time to time.

   Sponsor Compensation. The Sponsor will receive a gross sales commission equal
to the total sales charge imposed on Units, less any reduced sales charge (as
described under "General" above). Any discount provided to investors will be
borne by the selling broker, dealer or agent as indicated under "General" above.

   In addition, the Sponsor realized a profit or sustained a loss, as the case
may be, as a result of the difference between the price paid for the Securities
by the Sponsor and the cost of such Securities to the Trust on the Initial Date
of Deposit as well as on subsequent deposits. The Sponsor has not participated
as sole underwriter or as manager or as a member of the underwriting syndicates
or as an agent in a private placement for any of the Securities in the Trust
portfolio. The Sponsor may further realize additional profit or loss as a result
of the possible fluctuations in the market value of the Securities in the Trust
after a date of deposit, since all proceeds received from purchasers of Units
(excluding dealer concessions and agency commissions allowed, if any) will be
retained by the Sponsor.

   Broker-dealers of the Trust, banks and/or others may be eligible to
participate in a program in which such firms receive from the Sponsor a nominal
award for each of their representatives who have sold a minimum number of units
of unit investment trusts created by the Sponsor during a specified time period.
In addition, at various times the Sponsor may implement other programs under
which the sales forces of brokers, dealers, banks and/or others may be eligible
to win other nominal awards for certain sales efforts, or under which the
Sponsor will reallow to such brokers, dealers, banks and/or others that sponsor
sales contests or recognition programs conforming to criteria established by the
Sponsor, or participate in sales programs sponsored by the Sponsor, an amount
not exceeding the total applicable sales charges on the sales generated by such
persons at the public offering price during such programs. Also, the Sponsor in
its discretion may from time to time pursuant to objective criteria established
by the Sponsor pay fees to qualifying entities for certain services or
activities which are primarily intended to result in sales of Units of the
Trust. Such payments are made by the Sponsor out of its own assets, and not out
of the assets of the Trust. These programs will not change the price Unitholders
pay for their Units or the amount that the Trust will receive from the Units
sold.

   A person will become the owner of Units on the date of settlement provided
payment has been received. Cash, if any, made available to the Sponsor prior to
the date of settlement for the purchase of Units may be used in the Sponsor's
business and may be deemed to be a benefit to the Sponsor, subject to the
limitations of the Securities Exchange Act of 1934.

   As stated under "Public Market" below, the Sponsor intends to maintain a
secondary market for Units of the Trust for the period indicated. In so
maintaining a market, the Sponsor will also realize profits or sustain losses in
the amount of any difference between the price at which Units are purchased and
the price at which Units are resold (which price includes the applicable sales
charge). In addition, the Sponsor will also realize profits or sustain losses
resulting from a redemption of such repurchased Units at a price above or below
the purchase price for such Units, respectively.

   Public Market. Although it is not obligated to do so, the Sponsor intends to
maintain a market for the Units offered hereby and offer continuously to
purchase Units at prices, subject to change at any time, based upon the
aggregate underlying value of the Equity Securities in the Trust. If the supply
of Units exceeds demand or if some other business reason warrants it, the
Sponsor may either discontinue all purchases of Units or discontinue purchases
of Units at such prices. It is the current intention of the Sponsor not to
maintain a market for Units during the final six months of the Trust's life. In
the event that a market is not maintained for the Units and the Unitholder
cannot find another purchaser, a Unitholder desiring to dispose of his Units may
be able to dispose of such Units only by tendering them to the Trustee for
redemption at the Redemption Price. See "Rights of Unitholders--Redemption of
Units." A Unitholder who wishes to dispose of his Units should inquire of his
broker as to current market prices in order to determine whether there is in
existence any price in excess of the Redemption Price and, if so, the amount
thereof.

   Tax-Sheltered Retirement Plans. Units of the Trust are available for purchase
in connection with certain types of tax-sheltered retirement plans, including
Individual Retirement Accounts for individuals, Simplified Employee Pension
Plans for employees, qualified plans for self-employed individuals, and
qualified corporate pension and profit sharing plans for employees. The purchase
of Units of the Trust may be limited by the plans' provisions and does not
itself establish such plans.

 RIGHTS OF UNITHOLDERS

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

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

   Distributions of Income and Capital. Any dividends received by the Trust with
respect to the Equity Securities therein are credited by the Trustee to the
Income Account. Other receipts (e.g., capital gains, proceeds from the sale of
Securities, etc.) are credited to the Capital Account of the Trust. Proceeds
from the sale of Securities to meet redemptions of Units shall be segregated
within the Capital Account from proceeds from the sale of Securities made to
satisfy the fees, expenses and charges of the Trust.

   The Trustee will distribute any income received with respect to any of the
Securities in the Trust on or about the Income Distribution Dates to Unitholders
of record on the preceding Income Record Dates. See "Summary of Essential
Financial Information" in Part One. Proceeds received on the sale of any
Securities in the Trust, to the extent not used to meet redemptions of Units,
pay the deferred sales charge or pay fees and expenses, will be distributed
annually on the Capital Account Distribution Date to Unitholders of record on
the preceding Capital Account Record Date. Proceeds received from the
disposition of any of the Securities after a record date and prior to the
following distribution date will be held in the Capital Account and not
distributed until the next distribution date applicable to such Capital Account.
The Trustee is not required to pay interest on funds held in the Capital or
Income Accounts (but may itself earn interest thereon and therefore benefits
from the use of such funds).

   The distribution to Unitholders as of each record date will be made on the
following distribution date or shortly thereafter and shall consist of each
Unitholder's pro rata share of the cash in the Income Account. Because dividends
are not received by the Trust at a constant rate throughout the year, such
distributions to Unitholders are expected to fluctuate from distribution to
distribution. Persons who purchase Units will commence receiving distributions
only after such person becomes a record owner. Notification to the Trustee of
the transfer of Units is the responsibility of the purchaser, but in the normal
course of business such notice is provided by the selling broker-dealer.

   The Trustee will deduct from the Capital Account amounts necessary to pay the
expenses of the Trust (as determined on the basis set forth under "Trust
Operating Expenses"). The Trustee also may withdraw from the Income and Capital
Accounts such amounts, if any, as it deems necessary to establish a reserve for
any governmental charges payable out of the Trust. Amounts so withdrawn shall
not be considered a part of the Trust's assets until such time as the Trustee
shall return all or any part of such amounts to the appropriate accounts. In
addition, the Trustee may withdraw from the Income and Capital Accounts such
amounts as may be necessary to cover redemptions of Units.

   Reinvestment Option. Unitholders of the Trust may elect to have each
distribution of income, capital gains and/or capital on their Units
automatically reinvested in additional Units of the Trust (to the extent Units
may be lawfully offered for sale in the state in which the Unitholder resides).
To participate in the reinvestment plan, a Unitholder may either contact his or
her broker or agent or file with the Trustee a written notice of election at
least ten days prior to the Record Date for which the first distribution is to
apply. A Unitholder's election to participate in the reinvestment plan will
apply to all Units of the Trust owned by such Unitholder and such election will
remain in effect until changed by the Unitholder.

   Reinvestment plan distributions may be reinvested in Units already held in
inventory by the Sponsor (see "Public Offering--Public Market") or, until such
time as additional Units cease to be issued by the Trust (see "The Trust" ),
distributions may be reinvested in such additional Units. If Units are
unavailable in the secondary market, distributions which would otherwise have
been reinvested shall be paid in cash to the Unitholder on the applicable
Distribution Date.

   Purchases of additional Units made pursuant to the reinvestment plan will be
made based on the net asset value for Units of the Trust as of the Evaluation
Time on the related Distribution Dates. Under the reinvestment plan, the Trust
will pay the Unitholder's distributions to the Trustee which in turn will
purchase for such Unitholder full and fractional Units of the Trust and will
send such Unitholder a statement reflecting the reinvestment.

   Unitholders may also elect to have each distribution of income, capital gains
and/or capital on their Units automatically reinvested in shares of certain Van
Kampen mutual funds which are registered in the Unitholder's state of residence.
Such mutual funds are hereinafter collectively referred to as the "Reinvestment
Funds" .

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

   After becoming a participant in a reinvestment plan, each distribution of
income, capital gains and/or capital on the participant's Units will, on the
applicable distribution date, automatically be applied, as directed by such
person, as of such distribution date by the Trustee to purchase shares (or
fractions thereof) of the applicable Reinvestment Fund at a net asset value as
computed as of the close of trading on the New York Stock Exchange on such date.
Unitholders with an existing Guaranteed Reinvestment Option (GRO) Program
account (whereby a sales charge is imposed on distribution reinvestments) may
transfer their existing account into a new GRO account which allows purchases of
Reinvestment Fund shares at net asset value as described above. Confirmations of
all reinvestments by a Unitholder into a Reinvestment Fund will be mailed to the
Unitholder by such Reinvestment Fund.

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

   Reports Provided. The Trustee shall furnish Unitholders in connection with
each distribution a statement of the amount of income and the amount of other
receipts (received since the preceding distribution), if any, being distributed,
expressed in each case as a dollar amount representing the pro rata share of
each Unit outstanding. For as long as the Sponsor deems it to be in the best
interest of the Unitholders, the accounts of the Trust shall be audited, not
less frequently than annually, by independent certified public accountants, and
the report of such accountants shall be furnished by the Trustee to Unitholders
upon request. Within a reasonable period of time after the end of each calendar
year, the Trustee shall furnish to each person who at any time during the
calendar year was a registered Unitholder a statement (i) a statement as to the
Income Account: income received, deductions for applicable taxes and for fees
and expenses of the Trust, for redemptions of Units, if any, and the balance
remaining after such distributions and deductions, expressed in each case both
as a total dollar amount and as a dollar amount representing the pro rata share
of each Unit outstanding on the last business day of such calendar year; (ii) a
statement as to the Capital Account: the dates of disposition of any Securities
and the net proceeds received therefrom, deductions for payment of applicable
taxes, fees and expenses of the Trust held for distribution to Unitholders of
record as of a date prior to the determination and the balance remaining after
such distributions and deductions expressed both as a total dollar amount and as
a dollar amount representing the pro rata share of each Unit outstanding on the
last business day of such calendar year; (iii) a list of the Securities held and
the number of Units outstanding on the last business day of such calendar year;
(iv) the Redemption Price per Unit based upon the last computation thereof made
during such calendar year; and (v) amounts actually distributed during such
calendar year from the Income and Capital Accounts, separately stated, expressed
as total dollar amounts.

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

   Redemption of Units. A Unitholder may redeem all or a portion of his Units by
tender to the Trustee at its Unit Investment Trust Division, 101 Barclay Street,
20th Floor, New York, New York 10286 and, in the case of Units evidenced by a
certificate, by tendering such certificate to the Trustee, duly endorsed or
accompanied by proper instruments of transfer with signature guaranteed (or by
providing satisfactory indemnity, as in connection with lost, stolen or
destroyed certificates) and by payment of applicable governmental charges, if
any. No redemption fee will be charged. On the third business day following such
tender, the Unitholder will be entitled to receive in cash an amount for each
Unit equal to the Redemption Price per Unit next computed after receipt by the
Trustee of such tender of Units. The "date of tender" is deemed to be the date
on which Units are received by the Trustee, except that as regards Units
received after the Evaluation Time the date of tender is the next day on which
the New York Stock Exchange is open for trading and such Units will be deemed to
have been tendered to the Trustee on such day for redemption at the redemption
price computed on that day.

   The Trustee is empowered to sell Securities in order to make funds available
for redemption if funds are not otherwise available in the Capital and Income
Accounts to meet redemptions. The Securities to be sold will be selected by the
Trustee from those designated on a current list provided by the Supervisor for
this purpose. Units so redeemed shall be cancelled.

   Unitholders tendering 1,000 Units or more for redemption may request from the
Trustee in lieu of a cash redemption a distribution in kind ("In Kind
Distributions") of an amount and value of Securities per Unit equal to the
Redemption Price per Unit as determined as of the evaluation next following the
tender. An In Kind Distribution on redemption of Units will be made by the
Trustee through the distribution of each of the Securities in book-entry form to
the account of the Unitholder's bank or broker-dealer at Depository Trust
Company. The tendering Unitholder will receive his pro rata number of whole
shares of each of the Securities comprising the portfolio and cash from the
Capital Account equal to the fractional shares to which the tendering Unitholder
is entitled. In implementing these redemption procedures, the Trustee shall make
any adjustments necessary to reflect differences between the Redemption Price of
the Securities distributed in kind as of the date of tender. If funds in the
Capital Account are insufficient to cover the required cash distribution to the
tendering Unitholder, the Trustee may sell Securities according to the criteria
discussed above. For the tax consequences related to an In Kind Distribution see
"Federal Taxation."

   To the extent that Securities are redeemed in kind or sold, the size of the
Trust will be, and the diversity of the Trust may be, reduced. Sales may be
required at a time when Securities would not otherwise be sold and may result in
lower prices than might otherwise be realized. The price received upon
redemption may be more or less than the amount paid by the Unitholder depending
on the value of the Securities in the portfolio at the time of redemption.

   The Redemption Price per Unit (as well as the secondary market Public
Offering Price) will be determined on the basis of the aggregate underlying
value of the Equity Securities in the Trust, plus or minus cash, if any, in the
Income and Capital Accounts. On the Initial Date of Deposit, the Public Offering
Price per Unit (which includes the sales charge) exceeded the values at which
Units could have been redeemed by the amounts shown under "Summary of Essential
Financial Information" in Part One. While the Trustee has the power to determine
the Redemption Price per Unit when Units are tendered for redemption, such
authority has been delegated to the Evaluator which determines the price per
Unit on a daily basis. The Redemption Price per Unit is the pro rata share of
each Unit in the Trust determined on the basis of (i) the cash on hand in the
Trust, (ii) the value of the Securities in the Trust and (iii) dividends
receivable on the Equity Securities trading ex-dividend as of the date of
computation, less (a) amounts representing taxes or other governmental charges
payable out of the Trust and (b) the accrued sales charges or expenses of the
Trust. The Evaluator may determine the value of the Equity Securities in the
Trust in the following manner: if the Equity Securities are listed on a national
securities exchange this evaluation is generally based on the closing sale
prices on that exchange (unless it is determined that these prices are
inappropriate as a basis for valuation) or, if there is no closing sale price on
that exchange, at the closing bid prices. If the Equity Securities are not so
listed or, if so listed and the principal market therefore is other than on the
exchange, the evaluation shall generally be based on the current bid price on
the over-the-counter market (unless these prices are inappropriate as a basis
for evaluation). If current bid prices are unavailable, the evaluation is
generally determined (a) on the basis of current bid prices for comparable
securities, (b) by appraising the value of the Equity Securities on the bid side
of the market or (c) by any combination of the above.

   The right of redemption may be suspended and payment postponed for any period
during which the New York Stock Exchange is closed, other than for customary
weekend and holiday closings, or any period during which the Securities and
Exchange Commission determines that trading on that Exchange is restricted or an
emergency exists, as a result of which disposal or evaluation of the Securities
in the Trust is not reasonably practicable, or for such other periods as the
Securities and Exchange Commission may by order permit.

 TRUST ADMINISTRATION

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

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

   Portfolio Administration. The portfolio of the Trust is not "managed" by the
Sponsor, Supervisor or the Trustee; their activities described herein are
governed solely by the provisions of the Trust Agreement. Traditional methods of
investment management for a managed fund typically involve frequent changes in a
portfolio of securities on the basis of economic, financial and market analyses.
The Trust, however, will not be managed. The Trust Agreement, however, provides
that the Sponsor may (but need not) direct the Trustee to dispose of an Equity
Security in certain events such as the issuer having defaulted on the payment on
any of its outstanding obligations or the price of an Equity Security has
declined to such an extent or other such credit factors exist so that in the
opinion of the Sponsor, the retention of such Securities would be detrimental to
the Trust. Pursuant to the Trust Agreement and with limited exceptions, the
Trustee may sell any securities or other properties acquired in exchange for
Equity Securities such as those acquired in connection with a merger or other
transaction. If offered such new or exchanged securities or property, the
Trustee shall reject the offer. However, in the event such securities or
property are nonetheless acquired by the Trust, they may be accepted for deposit
in the Trust and either sold by the Trustee or held in the Trust pursuant to the
direction of the Sponsor (who may rely on the advice of the Supervisor).
Therefore, except as stated under "Trust Portfolio" for failed securities and as
provided in this paragraph, the acquisition by the Trust of any securities other
than the Securities is prohibited. Proceeds from the sale of Securities (or any
securities or other property received by the Trust in exchange for Equity
Securities) are credited to the Capital Account for distribution to Unitholders
or to pay fees and expenses of the Trust.

   As indicated under "Rights of Unitholders--Redemption of Units" above, the
Trustee may also sell Securities designated by the Supervisor, or if not so
directed, in its own discretion, for the purpose of redeeming Units of the Trust
tendered for redemption and the payment of expenses.

   When your Trust sells Securities, the composition and diversity of the
Securities in the Trust may be altered. In order to obtain the best price for a
Trust, it may be necessary for the Supervisor to specify minimum amounts
(generally 100 shares) in which blocks of Securities are to be sold. In
effecting purchases and sales of a Trust's portfolio securities, the Sponsor may
direct that orders be placed with and brokerage commissions be paid to brokers,
including brokers which may be affiliated with the Trusts, the Sponsor or
dealers participating in the offering of Units. In addition, in selecting among
firms to handle a particular transaction, the Sponsor may take into account
whether the firm has sold or is selling units of unit investment trusts which it
sponsors.

   Amendment or Termination. The Trust Agreement may be amended by the Trustee
and the Sponsor without the consent of any of the Unitholders (1) to cure any
ambiguity or to correct or supplement any provision thereof which may be
defective or inconsistent, or (2) to make such other provisions as shall not
adversely affect the Unitholders (as determined in good faith by the Sponsor and
the Trustee), provided, however, that the Trust Agreement may not be amended to
increase the number of Units (except as provided in the Trust Agreement). The
Trust Agreement may also be amended in any respect by the Trustee and Sponsor,
or any of the provisions thereof may be waived, with the consent of the holders
of 51% of the Units then outstanding, provided that no such amendment or waiver
will reduce the interest in the Trust of any Unitholder without the consent of
such Unitholder or reduce the percentage of Units required to consent to any
such amendment or waiver without the consent of all Unitholders. The Trustee
shall advise the Unitholders of any amendment promptly after execution thereof.

   The Trust may be liquidated at any time by consent of Unitholders
representing 66 2/3% of the Trust Units then outstanding or by the Trustee when
the value of the Trust, as shown by any evaluation, is less than that amount set
forth under Minimum Termination Value in "Summary of Essential Financial
Information" in Part One. The Trust Agreement will terminate upon the sale or
other disposition of the last Security held thereunder, but in no event will it
continue beyond the Mandatory Termination Date stated under "Summary of
Essential Financial Information" in Part One.

   Commencing nine business days before, but no later than, the Mandatory
Termination Date, the Trustee may begin to sell Securities in connection with
the termination of the Trust. The Sponsor will determine the manner, timing and
execution of the sales of the Equity Securities. The Sponsor shall direct the
liquidation of the Securities in such manner as to effectuate orderly sales and
a minimal market impact. In the event the Sponsor does not so direct, the
Securities shall be sold within a reasonable period and in such manner as the
Trustee, in its sole discretion, shall determine. Written notice of any
termination specifying the time or times at which Unitholders may surrender
their certificates for cancellation, if any are then issued and outstanding,
shall be given by the Trustee to each Unitholder so holding a certificate at his
address appearing on the registration books of the Trust maintained by the
Trustee. At least 30 days before the Mandatory Termination Date the Trustee will
provide written notice thereof to all Unitholders and will include with such
notice a form to enable Unitholders owning 1,000 or more Units to request an In
Kind Distribution rather than payment in cash upon the termination of the Trust.
To be effective, this request must be returned to the Trustee at least five
business days prior to the Mandatory Termination Date. On the Mandatory
Termination Date (or on the previous business day if a holiday) the Trustee will
deliver each requesting Unitholder's pro rata number of whole shares of each of
the Equity Securities in the portfolio to the account of the broker-dealer or
bank designated by the Unitholder at Depository Trust Company. The value of the
Unitholder's fractional shares of the Equity Securities will be paid in cash.
Unitholders with less than 1,000 Units and those not requesting an In Kind
Distribution will receive a cash distribution from the sale of the remaining
Equity Securities within a reasonable time following the Mandatory Termination
Date. Regardless of the distribution involved, the Trustee will deduct from the
funds of the Trust any accrued costs, expenses, advances or indemnities provided
by the Trust Agreement, including estimated compensation of the Trustee, costs
of liquidation and any amounts required as a reserve to provide for payment of
any applicable taxes or other governmental charges. Any sale of Equity
Securities in the Trust upon termination may result in a lower amount than might
otherwise be realized if such sale were not required at such time. The Trustee
will then distribute to each Unitholder his pro rata share of the balance of the
Income and Capital Accounts.

   Within 60 days of the final distribution Unitholders will be furnished a
final distribution statement, in substantially the same form as the annual
distribution statement, of the amount distributable. At such time as the Trustee
in its sole discretion will determine that any amounts held in reserve are no
longer necessary, it will make distribution thereof to Unitholders in the same
manner.

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

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

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

   Sponsor. Van Kampen Funds Inc., a Delaware corporation, is the Sponsor of the
Trust. The Sponsor is an indirect subsidiary of Van Kampen Investments Inc. Van
Kampen Investments Inc. is a wholly owned subsidiary of MSAM Holdings II, Inc.,
which in turn is a wholly owned subsidiary of Morgan Stanley Dean Witter & Co.
("MSDW").

   MSDW, together with various of its directly and indirectly owned
subsidiaries, is engaged in a wide range of financial services through three
primary businesses: securities, asset management and credit services. These
principal businesses include securities underwriting, distribution and trading;
merger, acquisition, restructuring and other corporate finance advisory
activities; merchant banking; stock brokerage and research services; asset
management; trading of futures, options, foreign exchange commodities and swaps
(involving foreign exchange, commodities, indices and interest rates); real
estate advice, financing and investing; global custody, securities clearance
services and securities lending; and credit card services.

   Van Kampen Funds Inc. specializes in the underwriting and distribution of
unit investment trusts and mutual funds with roots in money management dating
back to 1926. The Sponsor is a member of the National Association of Securities
Dealers, Inc. and has offices at One Parkview Plaza, Oakbrook Terrace, Illinois
60181, (630) 684-6000 and 2800 Post Oak Boulevard, Houston, Texas 77056, (713)
993-0500. As of November 30, 1998, the total stockholders' equity of Van Kampen
Funds Inc. was $135,236,000 (audited). (This paragraph relates only to the
Sponsor and not to the Trust or to any other Series thereof. The information is
included herein only for the purpose of informing investors as to the financial
responsibility of the Sponsor and its ability to carry out its contractual
obligations. More detailed financial information will be made available by the
Sponsor upon request.)

   As of March 31, 1999, the Sponsor and its Van Kampen affiliates managed or
supervised approximately $75 billion of investment products. The Sponsor and its
Van Kampen affiliates managed $64 billion of assets, consisting of $36.6 billion
for 50 open-end mutual funds, $19.5 billion for 39 closed-end funds and $8.2
billion for 106 institutional accounts. The Sponsor has also deposited more than
3,200 unit trusts amounting to approximately $35.4 billion of assets. All of Van
Kampen's open-end funds, closed-ended funds and unit investment trusts are
professionally distributed by leading financial firms nationwide. Based on
cumulative assets deposited, the Sponsor believes that it is the largest sponsor
of insured municipal unit investment trusts, primarily through the success of
its Insured Municipals Income Trust(R) or the IM-IT(R) trust. The Sponsor also
provides surveillance or evaluation services at cost for approximately $13.4
billion of unit investment trust assets outstanding. Since 1976, the Sponsor has
serviced over two million investor accounts, opened through retail distribution
firms.

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

   Trustee. The Trustee is The Bank of New York, a trust company organized under
the laws of New York. The Bank of New York has its unit investment trust
division offices at 101 Barclay Street, New York, New York 10286 (800) 221-7668.
The Bank of New York is subject to supervision and examination by the
Superintendent of Banks of the State of New York and the Board of Governors of
the Federal Reserve System, and its deposits are insured by the Federal Deposit
Insurance Corporation to the extent permitted by law.
   The duties of the Trustee are primarily ministerial in nature. It did not
participate in the selection of Securities for the Trust portfolio.

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

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

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

 OTHER MATTERS

   Legal Opinions. The legality of the Units offered hereby has been passed upon
by Chapman and Cutler, 111 West Monroe Street, Chicago, Illinois 60603, as
counsel for the Sponsor. Winston & Strawn has acted as counsel for the Trustee.

   Independent Certified Public Accountants. The financial statements included
in this Prospectus have been audited by Grant Thornton LLP, independent
certified public accountants, as set forth in their report in this Prospectus,
and are included herein in reliance upon the authority of said firm as experts
in accounting and auditing.




                      Contents of Post-Effective Amendment
                            to Registration Statement

           This Post-Effective Amendment to the Registration Statement
                 comprises the following papers and documents:

                                The facing sheet

                                 The prospectus

                                 The signatures

                     The Consent of Independent Accountants

                                   Signatures

         Pursuant to the requirements of the Securities Act of 1933, the
Registrant, Van Kampen American Capital Equity Opportunity Trust, Series 73,
certifies that it meets all of the requirements for effectiveness of this
Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933
and has duly caused this Post-Effective Amendment to its Registration Statement
to be signed on its behalf by the undersigned thereunto duly authorized, and its
seal to be hereunto affixed and attested, all in the City of Chicago and State
of Illinois on the 27th day of December, 1999.

                 Van Kampen American Capital Equity Opportunity Trust, Series 73
                                                                    (Registrant)

                                                        By Van Kampen Funds Inc.
                                                                     (Depositor)

                                                                By Gina Costello
                                                             Assistant Secretary
                                                                          (Seal)

         Pursuant to the requirements of the Securities Act of 1933, this
Amendment to the Registration Statement has been signed below on December 27,
1999 by the following persons who constitute a majority of the Board of
Directors of Van Kampen Funds Inc.:

SIGNATURE               TITLE

Richard F. Powers III   Chairman and Chief Executive          )
                        Officer                               )

John H. Zimmerman III   President and Chief Operating         )
                        Officer                               )

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

A. Thomas Smith III     Executive Vice President,             )
                        General Counsel and Secretary         )

Michael H. Santo        Executive Vice President              )


          Gina M. Costello______________
               (Attorney in Fact)*

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

* An executed copy of each of the related powers of attorney is filed herewith
or was filed with the Securities and Exchange Commission in connection with the
Registration Statement on Form S-6 of Van Kampen Focus Portfolios, Series 136
(File No. 333-70897) and the same are hereby incorporated herein by this
reference.

               Consent of Independent Certified Public Accountants

         We have issued our report dated October 15, 1999 accompanying the
financial statements of Van Kampen American Capital Equity Opportunity Trust,
Series 73 as of August 31, 1999, and for the period then ended, contained in
this Post-Effective Amendment No. 2 to Form S-6.

         We consent to the use of the aforementioned report in the Post-
Effective Amendment and to the use of our name as it appears under the caption
"Auditors".

                                        Grant Thornton LLP


Chicago, Illinois
December 27, 1999



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