VAN KAMPEN AMERICAN CAPITAL EQUITY OPPORTUNITY TRUST SER 148
487, 1999-03-17
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                              MEMORANDUM OF CHANGES
                     VAN KAMPEN FOCUS PORTFOLIOS, SERIES 148

         The Prospectus filed with Amendment No. 1 of the Registration Statement
on Form S-6 has been revised to reflect information regarding the deposit of Van
Kampen Focus Portfolios, Series 148 on March 17, 1999. An effort has been made
to set forth below each of the major changes and also to reflect the same by
blacklining the marked counterparts of the Prospectus submitted with the
Amendment.

Cover Page.     The date of the Prospectus has been completed.

Pages 2-3.      "The Summary of Essential Financial Information" section and 
                "Fee Table" have been completed.

Pages 4-6.      Revisions have been made and the portfolio has been completed.

Pages 7-9.      The descriptions of the Security issuers have been completed.

Pages 10-11.    The Report of Independent Certified Public Accountants and 
                Statement of Condition have been completed.




<PAGE>

                                                              FILE NO. 333-72091
                                                                    CIK #1025276

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

                                 Amendment No. 1
                                       to
                                    Form S-6

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


A. Exact Name of Trust:       VAN KAMPEN FOCUS PORTFOLIOS, SERIES 148


B. Name of Depositor:         VAN KAMPEN FUNDS INC.

C. Complete address of Depositor's principal executive offices:

                              One Parkview Plaza
                              Oakbrook Terrace, Illinois 60181

D. Name and complete address of agents for service:

 CHAPMAN AND CUTLER             VAN KAMPEN FUNDS INC.
 Attention:  Mark J. Kneedy     Attention:  A. Thomas Smith III, General Counsel
 111 West Monroe Street         One Parkview Plaza
 Chicago, Illinois  60603       Oakbrook Terrace, Illinois  60181


E. Title of securities being registered:  Units of proportionate interest

F. Approximate date of proposed sale to the public:


             AS SOON AS PRACTICABLE AFTER THE EFFECTIVE DATE OF THE
                             REGISTRATION STATEMENT

/ X /  Check box if it is proposed that this filing will become effective at
- ----   2:00 p.m. on March 17, 1999  pursuant to Rule 487.

                                   Van Kampen
                              Focus Portfolios (SM)
                      A Division of Van Kampen Funds Inc.



   
Financial Services Trust, Series 4
    
- --------------------------------------------------------------------------------

   
   Van Kampen Focus Portfolios, Series 148 includes the unit investment trust
described above (the "Trust"). The Trust seeks to increase the value of your
investment by investing in a diversified portfolio of stocks of financial
services companies. Of course, we cannot guarantee that the Trust will achieve
its objective.
    









            The Units are not deposits or obligations of any bank or
                   government agency and are not guaranteed.



   
                                 March 17, 1999
    


       You should read this prospectus and retain it for future reference.



- --------------------------------------------------------------------------------
 The Securities and Exchange Commission has not approved or disapproved of the
        Units or passed upon the adequacy or accuracy of this prospectus.
               Any contrary representation is a criminal offense.
<PAGE>
   
                   Summary of Essential Financial Information
                                 March 17, 1999
<TABLE>
<CAPTION>
<S>                                         <C>            <C>                                            <C>
Public Offering Price                                      Trust Information
Aggregate value of Securities per Unit (1)  $      9.900   Initial number of Units (3)                            14,928
Sales charge                                       0.325   Aggregate value of Securities (1)              $      147,783
   Less deferred sales charge                      0.225   Estimated initial distribution per Unit (4)    $      0.02368
Public offering price per Unit (2)          $     10.000   Estimated annual dividends per Unit (4)        $      0.12559
                                                           Redemption price per Unit (5)                  $        9.670


General Information
Initial Date of Deposit                                                                                   March 17, 1999
Mandatory Termination Date                                                                                March 17, 2001
Record Dates                                                                                     June 10 and December 10
Distribution Dates                                                                               June 25 and December 25


- --------------------------------------------------------------------------------
(1)Each Security is valued at the last closing sale price on its principal
   trading exchange or at the last asked price if not listed on the day before
   the Initial Date of Deposit. You will bear all or a portion of the expenses
   incurred in organizing and offering your Trust. The Public Offering Price
   includes the estimated amount of these costs. The Trustee will deduct these
   expenses from your Trust at the end of the initial offering period
   (approximately three months). The estimated amount is described on the next
   page.
(2)The Public Offering Price will include any accumulated dividends or cash in 
   the Income or Capital Accounts.
(3)At the Evaluation Time on the Initial Date of Deposit, the number of Units
   may be adjusted so that the Public Offering Price per Unit equals $10. The
   number of Units and fractional interest of each Unit will increase or
   decrease to the extent of any adjustment.
(4)This estimate is based on the most recently declared quarterly dividends or
   interim and final dividends accounting for any foreign withholding taxes.
   Actual dividends may vary due to a variety of factors. See "Risk Factors".
(5)The redemption price is reduced by any remaining deferred sales charge. See
   "Rights of Unitholders--Redemption of Units". The redemption price includes
   the estimated organizational and offering costs. The redemption price will
   not include these costs after the initial offering period.
    
</TABLE>
<PAGE>
   
                                    Fee Table


Transaction Fees (as % of offering price)
Initial sales charge (1)                                                  1.00%
Deferred sales charge (2)                                                 2.25%
                                                                      ---------
Maximum sales charge                                                      3.25%
                                                                      ---------
Maximum sales charge on reinvested dividends                              2.25%
                                                                      =========

Estimated Organizational Costs per Unit (3)                           $ 0.23902
                                                                      =========

Estimated Annual Expenses per Unit
Trustee's fee and operating expenses                                  $ 0.03450
Supervisory and evaluation fees                                       $ 0.00500
                                                                      ---------
Estimated annual expenses per Unit                                    $ 0.03950
                                                                      =========

Estimated Costs Over Time
One year                                                              $      61
Three years                                                           $      69
Five years                                                                  N/A
Ten years                                                                   N/A

   This fee table is intended to assist you in understanding the costs that you
will bear and to present a comparison of fees. The "Estimated Costs Over Time"
example illustrates the expenses you would pay on a $1,000 investment assuming a
5% annual return and redemption at the end of each period. This example assumes
that you reinvest all distributions at the end of each year. Of course, you
should not consider this example a representation of actual past or future
expenses or annual rate of return which may differ from those assumed for this
example. The sales charge and expenses are described under "Public Offering" and
"Trust Operating Expenses".

- --------------------------------------------------------------------------------
(1)The initial sales charge is the difference between the maximum sales charge 
   and the deferred sales charge.
(2)The deferred sales charge is actually equal to $0.225 per Unit. This amount
   will exceed the percentage above if the Public Offering Price per Unit falls
   below $10 and will be less than the percentage above if the Public Offering
   Price per Unit exceeds $10. The deferred sales charge accrues daily and is
   assessed from July 16, 1999 through March 15, 2000.
(3)You will bear all or a portion of the expenses incurred in organizing and
   offering your Trust. The Trustee will deduct the actual amount of these
   expenses from your Trust at the end of the initial offering period.
    
<PAGE>
Financial Services Trust
   The Trust seeks to increase the value of your Units over time by investing in
a portfolio of common stocks issued by financial services companies. These
companies may include insurance companies, banks, savings and loans, consumer
and industrial finance companies, securities brokerage companies, real estate
investment companies, investment managers and leasing companies. We believe that
the financial services industry is attractive based on several factors:

      o  The earnings per share growth rate for financial services companies is
above that for the Standard & Poor's 500 Index.

      o The possibility for mergers within the industry may allow for cost
savings and better pricing for certain companies.

      o Despite faster earnings growth and a better return on equity, we believe
that financial services stocks may be undervalued.



   Consider the following industry factors that we believe may contribute to
future growth in this sector:

      o  An increased number of consolidations and mergers

      o  Relatively stable interest rates

      o  Low inflationary expectations

      o  Expansion of lending products

      o  Consumer confidence

      o  Growth in consumer spending

      o  Growth in credit cards

      o  Strong credit quality

      o  Growth in electronic commerce

      o  Increase in transaction volume due to improvements in technology

   Of course, we cannot guarantee that the Trust will achieve its objective. The
value of your Units may fall below the price you paid
for the Units. You should read the "Risk Factors" section before you invest.
<PAGE>
   
<TABLE>
<CAPTION>
Portfolio
- ------------------------------------------------------------------------------------------------------------
                                                                             Current              Cost of
Number                                                   Market Value       Dividend             Securities
of Shares   Name of Issuer (1)                         per Share (2)       Yield (3)            to Trust (2)
- ----------  -----------------------------------       ---------------      -----------         -------------
<S>         <C>                                         <C>                       <C>           <C>
            Diversified Financial Services
    48        American Express Company                  $    123.563              0.73%         $   5,931.00
    91        Citigroup, Inc                                  64.563              1.12              5,875.19
    83        Equitable Companies Incorporated                72.063              0.28              5,981.19
    52        Providian Financial Corporation                114.875              0.17              5,973.50
            Finance Companies
    45        Capital One Financial Corporation              130.000              0.25              5,850.00
    84        Fannie Mae                                      70.500              1.53              5,922.00
   131        Household International, Inc                    45.438              1.50              5,952.31
            Insurance Brokers/Services
    76        Marsh & McLennan Companies                      76.688              2.09              5,828.25
            Investment Bankers/Brokers/Services
    67        Charles Schwab Corporation                      88.938              0.13              5,958.81
    86        Donaldson, Lufkin & Jenrette                    68.813              0.36              5,917.88
    64        Merrill Lynch & Co., Inc                        91.750              1.05              5,872.00
            Life Insurance
    79        American General Corporation                    75.000              2.13              5,925.00
   163        Conseco, Inc.                                   37.063              1.51              6,041.19
            Major Banks
    82        BankAmerica Corporation                         72.375              2.49              5,934.75
    69        Chase Manhattan Corporation                     84.813              1.93              5,852.06
   115        First Union Corporation                         50.813              3.70              5,843.44
    69        State Street Corporation                        85.938              0.65              5,929.69
    86        SunTrust Banks, Inc                             67.625              2.04              5,815.75
            Mid-Sized Banks
    64        Firstar Corporation                             91.625              1.31              5,864.00
    64        Northern Trust Corporation                      91.813              1.05              5,876.00
            Multi-Line Insurance
   152        Allstate Corporation                            39.250              1.53              5,966.00
    49        American International Group, Inc              120.813              0.19              5,919.81
   106        Hartford Financial Services Group, Inc          56.250              1.56              5,962.50
    62        Lincoln National Corporation                    95.500              2.30              5,921.00
            Property-Casualty Insurers
    42        Progressive Corporation                        139.750              0.19              5,869.50
- ----------                                                                                      ------------
 2,029                                                                                          $ 147,782.82
==========                                                                                      ============

See "Notes to Portfolios".
    
</TABLE>
<PAGE>
   
Notes to Portfolio
   (1) The Securities are initially represented by "regular way" contracts for
the performance of which an irrevocable letter of credit has been deposited with
the Trustee. Contracts to acquire Securities were entered into on March 16, 1999
and have a settlement date of March 19, 1999 (see "The Trust").
    
   (2) The market value of each Security is based on the closing sale price on
the applicable exchange on the day prior to the Initial Date of Deposit or the
last asked price if not listed on an exchange. Other information regarding the
Securities, as of the Initial Date of Deposit, is as follows:
   
                                                     Profit
                         Cost to                   (Loss) To
                         Sponsor                    Sponsor
                     --------------             --------------
                     $   147,783                $     --
    

   (3)Current Dividend Yield for each Security is based on the estimated annual
dividends per share and the Security's market value as of the close of trading
on the day prior to the Initial Date of Deposit. Estimated annual dividends per
share are calculated by annualizing the most recently declared dividends or by
adding the most recent interim and final dividends declared and reflect any
foreign withholding taxes.
<PAGE>
   
   The Securities. A brief description of each of the issuers of the Securities
is listed below.

    Allstate Corporation. Allstate Corporation, through its subsidiaries,
provides property-liability insurance, as well as other types of insurance in
the United States and Canada. The company primarily sells private passenger
automobile and homeowners insurance through independent and specialized brokers.
Allstate also sells life insurance, annuity, and group pension products through
agents.
    American Express Company. American Express Company, through its
subsidiaries, provides travel related services, financial advisory services, and
international banking services throughout the world. The company provides the
"American Express" Card and the "Optima" Card, the "American Express" Travelers
Cheque, and other products and services.
    American General Corporation. American General Corporation, a diversified
financial services organization, provides retirement services, life insurance,
and consumer loans. The company offers retail financing programs through 15,000
merchants. American General operates in 41 states, Puerto Rico, and the United
States Virgin Islands.
    American International Group, Inc. American International Group, Inc.,
through its subsidiaries, provides a variety of insurance and financial services
in the United States and internationally. The company writes property, casualty,
marine, life, and financial services insurance in approximately 130 countries
and jurisdictions. BankAmerica Corporation is the holding company for Bank of
America and NationsBank. The company provides retail banking services, asset
management, financial products, corporate finance, specialized finance, capital
markets, and financial services. Bank of America operates more than 4,800
branches in 22 states and the District of Columbia.
    BankAmerica Corporation. BankAmerica Corporation is the holding company for
Bank of America and NationsBank. The company provides retail banking services,
asset management, financial products, corporate finance, specialized finance,
capital markets, and financial services. Bank of America operates more than
4,800 branches in 22 states and the District of Columbia.
    Capital One Financial Corporation. Capital One Financial Corporation, a
holding company, provides a variety of products and services to consumers
through its subsidiaries. The company, through Capital One Bank, offers credit
card products. Capital One F.S.B provides certain consumer lending and deposit
services. Capital One Services, Inc. provides operating, administration, and
other services to the Corporation.
    Charles Schwab Corporation. Charles Schwab Corporation provides a variety of
financial services to individual investors, independent investment managers,
retirement plans, and institutions. The company provides its services to
customers through multiple service channels, including the Internet, 291 branch
offices, telephone, and multilingual technologies.
    Chase Manhattan Corporation. Chase Manhattan Corporation is a bank holding
company which conducts domestic and international financial services through
various bank and non-bank subsidiaries. The company provides corporate finance,
wholesale banking, and investment services, as well as emphasizes originations,
underwriting, distribution, risk management products, and private banking.
    Citigroup Inc. Citigroup Inc. is a diversified financial services holding
company that provides investment services, including asset management, consumer
finance services, property and casualty insurance services, and life insurance
services. The company's subsidiaries include Salomon Smith Barney Holdings Inc.,
Commercial Credit Company, Travelers Property & Casualty Corp., and other
companies.
    Conseco, Inc. Conseco, Inc., a financial services holding company, develops,
markets, and administers supplemental health insurance, annuity, life insurance,
individual and group major medical insurance, and other insurance products. The
company's insurance products are marketed in all 50 states, the District of
Columbia, and certain protectorates of the United States.
    Donaldson, Lufkin & Jenrette, Inc. Donaldson, Lufkin & Jenrette, Inc., an
integrated investment and merchant bank, serves institutional, corporate,
governmental, and individual clients. The company provides securities
underwriting, sales and trading, merchant banking, financial advisory services,
investment research, correspondent brokerage services, and asset management.
Donaldson operates throughout the world.
    Equitable Companies Incorporated. Equitable Companies Incorporated is a
diversified financial services organization serving a broad spectrum of
insurance, investment management, and investment banking customers. The company
offers life insurance and annuity products, mutual funds, and other investment
products in all 50 states. Equitable also provides investment management,
brokerage services, and other services.
    Fannie Mae. Fannie Mae buys and holds mortgages, and issues and sells
guaranteed mortgage- backed securities to facilitate housing ownership for low-
to middle-income Americans. The company was chartered by the United States
Congress, but went public in 1970.
    First Union Corporation. First Union Corporation is a bank holding company
for First Union National Bank and First Union Mortgage Corporation. The company
provides a wide range of commercial and retail banking and trust services
through full-service banking offices in the United States. First Union also
provides mortgage banking, leasing, securities brokerage services, and other
services.
    Firstar Corporation. Firstar Corporation is the holding company for Firstar
Bank, which has approximately 720 banking offices throughout nine states. The
company offers banking, trust, investment, insurance, and securities brokerage
services, among other things.
Firstar also operates a consumer finance company and an investment advisory
firm.
    Hartford Financial Services Group, Inc. Hartford Financial Services Group,
Inc. provides a range of insurance products. The company's products include
property and casualty insurance, annuities, life insurance, investment services,
and group insurance. Hartford Financial operates around the world.
    Household International, Inc. Household International, Inc. provides 
consumer financial services. The company offers home equity loans, auto finance
loans, and other unsecured loans, as well as "MasterCard," "Visa," and private
label credit cards. Household International operates in the United States, the
United Kingdom, and Canada.
    Lincoln National Corporation. Lincoln National Corporation owns and operates
wealth accumulation and protection businesses. The company provides annuities,
life insurance, retirement income, life-health reinsurance, institutional
investment management, and mutual funds. Lincoln also provides institutional
investment management and advisory services.
    Marsh & McLennan Companies, Inc. Marsh & McLennan Companies, Inc., through
its subsidiaries and affiliates, provides professional advice and related
services such as insurance and reinsurance brokerage, consulting and investment
management services. The company's products include analysis, advice, and
transactional capabilities. Marsh operates worldwide.
    Merrill Lynch & Co., Inc. Merrill Lynch & Co., Inc. provides a variety of
financial and investment services through offices around the world. The company
serves the needs of both individual and institutional clients with a diverse
range of financial services including personal financial planning, trading and
brokering, banking and lending, and insurance.
    Northern Trust Corporation. Northern Trust Corporation is the holding
company for Northern Trust Company. The bank attracts deposits and offers
commercial and residential real estate, and consumer and leasing loans. Northern
Trust also owns smaller banks and nonbank subsidiaries in Illinois, Florida, New
York, Arizona, California, Texas, Connecticut, and Georgia, as well as Toronto
and Montreal, Canada; London; Hong Kong; and Singapore.
    Progressive Corporation. Progressive Corporation provides automobile
insurance to customers throughout the United States and Canada. The company also
provides services 24 hours per day which are delivered through the phone,
Internet, and more than 300,000 independent agents throughout the country.
    Providian Financial Corporation. Providian Financial Corporation provides
lending and deposit products to customers nationwide. The company serves a
broad, diversified market with loan products including credit cards, home loans,
and secured credit cards.
    State Street Corporation. State Street Corporation services institutional
investors and manages financial assets worldwide. The company's products and
services include custody, accounting, daily pricing and administration; active
and indexed management; cash management; international exchange services; credit
services; and analysis and information services.
    SunTrust Banks, Inc. SunTrust Banks, Inc. is a super-regional bank holding
company. The company's subsidiary banks operate 1,094 full-service offices in
Florida, Georgia, Alabama, Maryland, Tennessee, Virginia, and the District of
Columbia. SunTrust provides a wide range of personal, corporate, and
institutional financial services.
    
<PAGE>
   
               REPORT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
      To the Board of Directors of Van Kampen Funds Inc. and the Unitholders of
   Van Kampen Focus Portfolios, Series 148:
      We have audited the accompanying  statement of condition and the related
   portfolio of Van Kampen Focus Portfolios, Series 148 as of March 17, 1999.
   The statement of condition and portfolio are the responsibility of the 
   Sponsor. Our responsibility is to express an opinion on such financial 
   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 an irrevocable letter of credit
   deposited to purchase securities by correspondence with the Trustee. An audit
   also includes assessing the accounting principles used and significant
   estimates made by 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 Van Kampen Focus Portfolios,
   Series 148 as of March 17, 1999 in conformity with generally accepted
   accounting principles.

                                                              GRANT THORNTON LLP
   Chicago, Illinois
   March 17, 1999
    
<PAGE>
   
                             STATEMENT OF CONDITION
                              As of March 17, 1999
<TABLE>
<CAPTION>
INVESTMENT IN SECURITIES
<S>                                                                           <C>     
Contracts to purchase Securities (1)                                          $147,783
                                                                              --------
  Total                                                                       $147,783
                                                                              ========


LIABILITIES AND INTEREST OF UNITHOLDERS
Liabilities--
  Organizational costs (2)                                                    $  3,568
  Deferred sales charge liability (3)                                            3,359
Interest of Unitholders--
  Cost to investors (4)                                                        149,280
  Less: Gross underwriting commission and organizational costs (2)(4)(5)         8,424
                                                                              --------
  Net interest to Unitholders (4)                                              140,856
                                                                              --------
Total                                                                         $147,783
                                                                              ========

(1)The value of the Securities is determined by Interactive Data Corporation
   on the bases set forth under "Public Offering--Offering Price". The contracts
   to purchase Securities are collateralized by separate irrevocable letters of
   credit which have been deposited with the Trustee.
(2)A portion of the Public Offering Price represents an amount sufficient to
   pay for all or a portion of the costs incurred in establishing the Trust. The
   amount of these costs are set forth in the "Fee Table." A distribution will
   be made as of the close of the initial offering period to an account
   maintained by the Trustee from which this obligation of the investors will be
   satisfied.
(3)Represents the amount of mandatory distributions from the Trust on the
   bases set forth under "Public Offering".
(4)The aggregate public offering price and the aggregate sales charge are 
   computed on the bases set forth under "Public Offering--Offering Price".
(5)Assumes the maximum sales charge.
</TABLE>
    
<PAGE>
THE TRUST
- --------------------------------------------------------------------------------

   The Trust was created under the laws of the State of New York pursuant to a
Trust Indenture and Trust Agreement (the "Trust Agreement"), dated the date of
this Prospectus (the "Initial Date of Deposit"), among Van Kampen Funds Inc., as
Sponsor, Van Kampen Investment Advisory Corp., as Supervisor, The Bank of New
York, as Trustee, and American Portfolio Evaluation Services, a division of Van
Kampen Investment Advisory Corp., as Evaluator.
   The Trust offers investors the opportunity to purchase Units representing
proportionate interests in a portfolio of actively traded equity securities. The
Trust may be an appropriate medium for investors who desire to participate in a
portfolio of common stocks with greater diversification than they might be able
to acquire individually.
   On the Initial Date of Deposit, the Sponsor deposited delivery statements
relating to contracts for the purchase of the Securities and an irrevocable
letter of credit in the amount required for these purchases with the Trustee. In
exchange for these contracts the Trustee 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 any remaining Securities will be liquidated or distributed
by the Trustee within a reasonable time. As used in this Prospectus the term
"Securities" means the securities (including contracts to purchase these
securities) listed in "Portfolio" for the Trust and any additional securities
deposited into the Trust.
   Additional Units may be issued at any time by depositing in the Trust (i)
additional Securities, (ii) contracts to purchase Securities together with cash
or irrevocable letters of credit or (iii) cash (or a letter of credit) with
instructions to purchase additional Securities. As additional Units are issued
by the Trust, the aggregate value of the Securities will be increased and the
fractional undivided interest represented by each Unit will be decreased. The
Sponsor may continue to make additional deposits into the Trust following the
Initial Date of Deposit provided that the additional deposits during the first
90 days will be in amounts which maintain, as nearly as practicable, the
original proportionate relationship among each Security and thereafter will be
in amounts which will maintain, as nearly as practicable, the same percentage
relationship among the number of shares of each Security in the Trust's
portfolio that existed immediately prior to the subsequent deposit. Investors
may experience a dilution of their investments and a reduction in their
anticipated income because of fluctuations in the prices of the Securities
between the time of the deposit and the purchase of the Securities and because
the Trust will pay the associated brokerage or acquisition fees.
   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 or
additional Units are issued as a result of additional Securities being deposited
by the Sponsor, the fractional undivided interest in the Trust represented by
each unredeemed Unit will increase or decrease accordingly, although the actual
interest in the Trust 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.
   The Trust consists of (a) the Securities (including contracts for the
purchase thereof) listed under the applicable "Portfolio" 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 related Income and Capital Accounts. Neither the Sponsor nor
the Trustee shall be liable in any way for any failure in any of the Securities.

OBJECTIVES AND SECURITIES SELECTION
- --------------------------------------------------------------------------------

   The Trust seeks to increase the value of your investment by investing in a
portfolio of common stocks of companies diversified within the finanical
services industry. We cannot guarantee that the Trust will achieve its
objective.
   You should note that we applied the selection criteria to the Securities for
inclusion in the Trust as of the Initial Date of Deposit. After this date, the
Securities may no longer meet the selection criteria. Should a Security no
longer meet the selection criteria, we will generally not remove the Security
from the Trust portfolio.
    A balanced investment portfolio incorporates various style and
capitalization characteristics. We offer unit trusts with a variety of styles
and capitalizations to meet your needs. We determine style characteristics
(growth or value) based on the criteria used in selecting the Trust portfolio.
Generally, a growth portfolio includes companies in a growth phase of their
business with increasing earnings. A value portfolio generally includes
companies with low relative price-earnings ratios that we believe are
undervalued. We determine market capitalizations as follows based on the
weighted median market capitalization of a portfolio: Small-Cap-- less than $1
billion; Mid-Cap-- $1 billion to $5 billion; and Large-Cap-- over $5 billion. We
determine all style and capitalization characteristics as of the Initial Date of
Deposit and the characteristics may vary thereafter. We will not remove a
Security from the Trust as a result of any change in characteristics.

RISK FACTORS
- --------------------------------------------------------------------------------

   Price Volatility. The Trust invests in common stocks of U.S. companies. The
value of Units will fluctuate with the value of these stocks and may be more or
less than the price you originally paid for your Units. The market value of
common stocks sometimes moves up or down rapidly and unpredictably. The prices
of Internet stocks have been extremely volatile relative to other stocks.
Because the Trust is unmanaged, the Trustee will not sell stocks in response to
market fluctuations as is common in managed investments. As with any investment,
we cannot guarantee that the performance of the Trust will be positive over any
period of time.
   Dividends. Common stocks represent ownership interests in the issuers and are
not obligations of the issuers. Accordingly, common stockholders have a right to
receive dividends only after the company has provided for payment of its
creditors, bondholders and preferred stockholders. Common stocks do not assure
dividend payments. Dividends are paid only when declared by an issuer's board of
directors and the amount of any dividend may vary over time.
   Financial Services Issuers. The Trust invests in a single industry. Any
negative impact on this industry will have a greater impact on the value of
Units than on a portfolio diversified over several industries. You should
understand the risks of this industry before you invest. The Trust primarily
invests in insurance companies, consumer and commercial finance companies,
investment banking and brokerage firms and investment management companies.
These issuers face risks related to such factors as general economic conditions,
volatile interest rates, economic recession, competition from other financial
services companies and government regulation.
   Insurance companies underwrite, reinsure, sell and distribute property,
casualty, life, health, disability, title and financial guarantee insurance. In
addition, many companies also offer various investment products or services.
Insurance companies face particular risks such as uncertainty in establishing
property-liability loss reserves, catastrophe losses that could have a material
adverse impact on financial condition, the need to maintain appropriate levels
of statutory capital and surplus, the need to maintain acceptable financial
strength or claims-paying ability ratings, extensive government regulation and
supervision, significant legal action, changes in interest rates that could
adversely impact a company's investment portfolio or its investment products,
planning to meet cash flow requirements related to life insurance policies, and
availability of reinsurance and the ability to collect recoverable reinsurance
amounts.
   Insurance companies face extensive government regulation and supervision.
Among other things, these regulations set maximum rate levels, require that
companies maintain certain levels of capital and surplus, impose limits on
acceptable investments and require diversification of investments. State and
federal governments re-examine existing regulations from time to time. Any
change in current regulations could negatively impact insurance companies.
Insurance companies often face litigation regarding coverage issues. Certain of
these issues involve clean-up of waste sites under federal and state
environmental laws. The outcome of this or any other litigation could negatively
impact insurance companies.
   Year 2000 Readiness Disclosure. The following 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 Trust do not
properly process date-related information after December 31, 1999, the resulting
difficulties could adversely impact the Trust. 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 Trust are taking comparable steps. We cannot guarantee
that these steps will be sufficient to avoid any adverse impact on the Trust.
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 affect 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 Trust.

PUBLIC OFFERING
- --------------------------------------------------------------------------------
   
   General. Units are offered at the Public Offering Price which includes the
underlying value of the Securities, the initial sales charge, and cash, if any,
in the Income and Capital Accounts. The "Fee Table" describes the sales charges
in detail. If any deferred sales charge payment date is not a business day, the
payment will be charged on the next business day. Units purchased subsequent to
the initial deferred sales charge payment will be subject to only that portion
of the deferred sales charge payments not yet collected. A portion of the Public
Offering Price includes an amount of Securities to pay for all or a portion of
the costs incurred in establishing your Trust, including the cost of preparing
documents relating to the Trust (such as the prospectus, trust agreement and
closing documents) federal and state registration fees, the initial fees and
expenses of the Trustee and legal and audit expenses. Beginning on March 17,
2000 the secondary market sales charge will be 2.75% and will not include
deferred payments. The initial offering period sales charge is reduced as
follows:
    
       Aggregate
     Dollar Amount
   of Units Purchased*                    Sales Charge
- ---------------------                     ----------------
 $100,000 - $249,999                          3.00%
 $250,000 - $499,999                          2.75
 $500,000 - $999,999                          2.50
  $1,000,000 or more                          2.00

- ---------------
*The breakpoint sales charges are also applied on a Unit basis utilizing a
breakpoint equivalent in the above table of $10 per Unit and will be applied on
whichever basis is more favorable to the investor.

   Any sales charge reduction is the responsibility of the selling broker,
dealer or agent. An investor may aggregate purchases of Units of the Trust for
purposes of qualifying for volume purchase discounts listed above. The reduced
sales charge structure will also apply on all purchases by the same person from
any one dealer of units of Van Kampen-sponsored unit investment trusts which are
being offered in the initial offering period (a) on any one day (the "Initial
Purchase Date") or (b) on any day subsequent to the Initial Purchase Date if the
units purchased are of a unit investment trust purchased on the Initial Purchase
Date. In the event units of more than one trust are purchased on the Initial
Purchase Date, the aggregate dollar amount of such purchases will be used to
determine whether purchasers are eligible for a reduced sales charge. Such
aggregate dollar amount will be divided by the public offering price per unit of
each respective trust purchased to determine the total number of units which
such amount could have purchased of each individual trust. Purchasers must then
consult the applicable trust's prospectus to determine whether the total number
of units which could have been purchased of a specific trust would have
qualified for a reduced sales charge and the amount of such reduction. To
determine the applicable sales charge reduction it is necessary to accumulate
all purchases made on the Initial Purchase Date and all purchases made in
accordance with (b) above. Units purchased in the name of the spouse of a
purchaser or in the name of a child of such purchaser ("immediate family
members") will be deemed to be additional purchases by the purchaser for the
purposes of calculating the applicable sales charge. The reduced sales charges
will also be applicable to a trustee or other fiduciary purchasing securities
for one or more trust estate or fiduciary accounts. If you purchase Units on
more than one day to achieve the discounts described in this paragraph, the
discount allowed on any single day will apply only to Units purchased on that
day (a retroactive discount is not given on all prior purchases).
   Units may be purchased in the primary or secondary market at the Public
Offering Price less the concession the Sponsor typically allows to brokers and
dealers for purchases 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 immediate family members (as
described above) 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.
   During the initial offering period, unitholders of any Van Kampen-sponsored
unit investment trust may utilize their redemption or termination proceeds to
purchase Units of the Trust at the Public Offering Price per Unit less 1%.
   Employees, officers and directors (including their spouses, children,
grandchildren, parents, grandparents, siblings, mothers-in-law, fathers-in-law,
sons-in-law, 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.
   The minimum purchase is 100 Units (25 Units for retirement accounts) but may
vary by selling firm. However, 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.
   Offering Price. The Public Offering Price of Units will vary from the amounts
stated under "Summary of Essential Financial Information" in accordance with
fluctuations in the prices of the underlying Securities in the Trust. The
initial price of the Securities was determined by Interactive Data Corporation,
a firm regularly engaged in the business of evaluating, quoting or appraising
comparable securities. The Evaluator will generally determine the value of the
Securities as of the Evaluation Time on each business day and will adjust the
Public Offering Price of Units accordingly. This Public Offering Price will be
effective for all orders received prior to the Evaluation Time on each business
day. The Evaluation Time is the close of the New York Stock Exchange on each
Trust business day. Orders received by the Trustee or Sponsor for purchases,
sales or redemptions after that time, or on a day which is not a business day,
will be held until the next determination of price. The term "business day", as
used herein and under "Rights of Unitholders--Redemption of Units", excludes
Saturdays, Sundays and holidays observed by the New York Stock Exchange. The
term "business day" also excludes any day on which more than 33% of the
Securities are not traded on their principal trading exchange due to a customary
business holiday on that exchange.
   The aggregate underlying value of the Securities during the initial offering
period is determined on each business day by the Evaluator in the following
manner: If the Securities are listed on a national or foreign 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 ask prices. If the Securities are not listed on a national or foreign
securities exchange or, if so listed and the principal market therefor is other
than on the exchange, the evaluation shall generally be based on the current ask
price on the over-the-counter market (unless it is determined that these prices
are inappropriate as a basis for evaluation). If current ask prices are
unavailable, the evaluation is generally determined (a) on the basis of current
ask prices for comparable securities, (b) by appraising the value of the
Securities on the ask side of the market or (c) by any combination of the above.
The value of any foreign securities is based on the applicable currency exchange
rate as of the Evaluation Time. The value of the Securities for purposes of
secondary market transactions and redemptions is described under "Rights of
Unitholders--Redemption of Units".
   In offering the Units to the public, neither the Sponsor nor any
broker-dealers are recommending any of the individual Securities but rather the
entire pool of Securities in the Trust, 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 Units for sale in a number of states. Brokers,
dealers and others will be allowed a concession or agency commission in
connection with the distribution of Units during the initial offering period as
described below.

 Aggregate Dollar Amount of Units    Concession or Agency

 Purchased*                               Commission

 --------------------------------------------------------
 Up to $99,999                                   2.25%
 $100,000 - $249,999                             2.00
 $250,000 - $499,999                             1.90
 $500,000 - $999,999                             1.75
 $1,000,000 or more                              1.40

- ---------------
 *The breakpoint concessions or agency commissions are also applied on a Unit
basis using a breakpoint equivalent of $10 per Unit and are applied on whichever
basis is more favorable to the distributor.


   In addition to the amounts above, during the initial offering period any firm
that distributes 500,000 - 999,999 Units will receive additional compensation of
$.005 per Unit; any firm that distributes 1,000,000 - 1,999,999 Units will
receive additional compensation of $.01 per Unit; any firm that distributes
2,000,000 - 2,999,999 Units will receive additional compensation of $.015 per
Unit; any firm that distributes 3,000,000 Units or more will receive additional
compensation of $.02 per Unit. This additional compensation will be paid by the
Sponsor out of its own assets at the end of the initial offering period.
   Any discount provided to investors will be borne by the selling dealer or
agent as indicated under "General" above. For transactions involving unitholders
of other Van Kampen unit investment trusts who use their redemption or
termination proceeds to purchase Units of the Trusts, the total concession or
agency commission will amount to 1.50% per Unit. For all secondary market
transactions the total concession or agency commission will amount to 70% of the
sales charge. Notwithstanding anything to the contrary herein, in no case shall
the total of any concessions, agency commissions and any additional compensation
allowed or paid to any broker, dealer or other distributor of Units with respect
to any individual transaction exceed the total sales charge applicable to such
transaction. 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.
   Broker-dealers, 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 a Trust will receive from the Units sold.
   Sponsor Compensation. The Sponsor will receive a gross sales commission equal
to the total sales charge applicable to each transaction. Any sales charge
discount provided to investors will be borne by the selling dealer or agent. In
addition, the Sponsor will realize a profit or loss as a result of the
difference between the price paid for the Securities by the Sponsor and the cost
of the Securities to the Trust on the Initial Date of Deposit as well as on
subsequent deposits. See "Notes to Portfolio". 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. The Sponsor may
realize profit or loss as a result of the possible fluctuations in the market
value of the Securities, since all proceeds received from purchasers of Units
are retained by the Sponsor. In maintaining a secondary market, the Sponsor will
realize profits or 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) or from a redemption of repurchased Units
at a price above or below the purchase price. 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.
   An affiliate of the Sponsor may have participated in a public offering of one
or more of the Securities. The Sponsor, an affiliate or their employees may have
a long or short position in these Securities or related securities. An affiliate
may act as a specialist or market maker for these Securities. An officer,
director or employee of the Sponsor or an affiliate may be an officer or
director for issuers of the Securities.
   Market for Units. Although it is not obligated to do so, the Sponsor
currently intends to maintain a market for Units and to purchase Units at the
secondary market repurchase price (which is described under "Right of
Unitholders--Redemption of Units"). The Sponsor may discontinue purchases of
Units or discontinue purchases at this price at any time. In the event that a
secondary market is not maintained, a Unitholder will be able to dispose of
Units by tendering them to the Trustee for redemption at the Redemption Price.
See "Rights of Unitholders--Redemption of Units". Unitholders should contact
their broker to determine the best price for Units in the secondary market.
Units sold prior to the time the entire deferred sales charge has been collected
will be assessed the amount of any remaining deferred sales charge at the time
of sale. The Trustee will notify the Sponsor of any tendered of Units for
redemption. If the Sponsor's bid in the secondary market equals or exceeds the
Redemption Price per Unit, it may purchase the Units not later than the day on
which Units would have been redeemed by the Trustee. The Sponsor may sell
repurchased Units at the secondary market Public Offering Price per Unit.
   Tax-Sheltered Retirement Plans. Units are available for purchase in
connection with certain types of tax-sheltered retirement plans, including
Individual Retirement Accounts for the individuals, Simplified Employee Pension
Plans for employees, qualified plans for self-employed individuals, and
qualified corporate pension and profit sharing plans for employees. The minimum
purchase for these accounts is reduced to 25 Units but may vary by selling firm.
The purchase of Units may be limited by the plans' provisions and does not
itself establish such plans.

RIGHTS OF UNITHOLDERS
- --------------------------------------------------------------------------------

   Distributions. Dividends and any net proceeds from the sale of Securities
received by the Trust will generally be distributed to Unitholders on each
Distribution Date to Unitholders of record on the preceding Record Date. These
dates are listed under "Summary of Essential Financial Information". A person
becomes a Unitholder of record on the date of settlement (generally three
business days after Units are ordered). Unitholders may elect to receive
distributions in cash or to have distributions reinvested into additional Units.
Distributions may also be reinvested into Van Kampen mutual funds. See "Rights
of Unitholders--Reinvestment Option".
   Dividends received by the Trust are credited to the Income Account of the
Trust. Other receipts (e.g., capital gains, proceeds from the sale of
Securities, etc.) are credited to the Capital Account. Proceeds received on the
sale of any Securities, to the extent not used to meet redemptions of Units or
pay deferred sales charges, fees or expenses, will be distributed to
Unitholders. Proceeds received from the disposition of any 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. Any
distribution to Unitholders consists of each Unitholder's pro rata share of the
available cash in the Income and Capital Accounts as of the related Record Date.
   Reinvestment Option. Unitholders may have distributions automatically
reinvested in additional Units under the Automatic Reinvestment Option (to the
extent Units may be lawfully offered for sale in the state in which the
Unitholder resides) through two options. Brokers and dealers can use the
Dividend Reinvestment Service through Depository Trust Company or purchase the
Automatic Reinvestment Option CUSIP. Unitholders will be subject to the
remaining deferred sales charge payments due on Units. To participate in this
reinvestment option, a Unitholder must file with the Trustee a written notice of
election, together with any certificate representing Units and other
documentation that the Trustee may then require, at least five days prior to the
related Record Date. A Unitholder's election will apply to all Units owned by
the Unitholder and will remain in effect until changed by the Unitholder. If
Units are unavailable for reinvestment, distributions will be paid in cash.
Purchases of additional Units made pursuant to the reinvestment plan will be
made at the net asset value for Units as of the Evaluation Time on the
Distribution Date.
   In addition, under the Guaranteed Reinvestment Option Unitholders may elect
to have distributions automatically reinvested in certain Van Kampen mutual
funds (the "Reinvestment Funds"). Each Reinvestment Fund has investment
objectives which differ from those of the Trust. The prospectus relating to each
Reinvestment Fund describes its investment policies and how to begin
reinvestment. A Unitholder may obtain a prospectus for the Reinvestment Funds
from the Sponsor. Purchases of shares of a Reinvestment Fund will be made at a
net asset value computed on the Distribution Date. Unitholders with an existing
Guaranteed Reinvestment Option account (whereby a sales charge is imposed on
distribution reinvestments) may transfer their existing account into a new
account which allows purchases of Reinvestment Fund shares at net asset value.
   A participant may elect to terminate his or her reinvestment plan and receive
future distributions in cash by notifying the Trustee in writing no later than
five days before a distribution date. The Sponsor, each Reinvestment Fund, and
its investment adviser shall have the right to suspend or terminate these
reinvestment plans at any time.
   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. Certificates must be tendered to the
Trustee, duly endorsed or accompanied by proper instruments of transfer with
signature guaranteed (or by providing satisfactory indemnity in connection with
lost, stolen or destroyed certificates) and by payment of applicable
governmental charges, if any. On the seventh day following the tender, the
Unitholder will be entitled to receive in cash an amount for each Unit equal to
the Redemption Price per Unit next computed on the date of tender. The "date of
tender" is deemed to be the date on which Units are received by the Trustee,
except that with respect to Units received by the Trustee after the Evaluation
Time or on a day which is not a Trust business day, the date of tender is deemed
to be the next business day.
   Unitholders tendering 1,000 or more Units for redemption may request an in
kind distribution of Securities equal to the Redemption Price per Unit on the
date of tender. The Trust generally does not offer in kind distributions of
portfolio securities that are held in foreign markets. An in kind distribution
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 broker-dealer at
Depository Trust Company. Amounts representing fractional shares will be
distributed in cash. The Trustee may adjust the number of shares of any Security
included in a Unitholder's in kind distribution to facilitate the distribution
of whole shares.
   The Trustee may sell Securities to satisfy Unit redemptions. 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
at the time of redemption. Special federal income tax consequences will result
if a Unitholder requests an in kind distribution. See "Taxation".
   The Redemption Price per Unit and the secondary market repurchase price per
Unit are equal to the pro rate 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 Securities in the Trust trading
ex-dividend as of the date of computation, less (a) amounts representing taxes
or other governmental charges payable out of the Trust, (b) the accrued expenses
of the Trust and (c) any unpaid deferred sales charge payments. During the
initial offering period, the redemption price and the secondary market
repurchase price will also include estimated organizational costs. For these
purposes, the Evaluator may determine the value of the Securities in the
following manner: If the Securities are listed on a national or foreign
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 Securities are not so listed
or, if so listed and the principal market therefor is other than on the
exchange, the evaluation may be based on the current bid price on the
over-the-counter market. If current bid prices are unavailable or inappropriate,
the evaluation may be determined (a) on the basis of current bid prices for
comparable securities, (b) by appraising the Securities on the bid side of the
market or (c) by any combination of the above. The value of any foreign
securities is based on the applicable currency exchange rate as of the
Evaluation Time.
   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 SEC determines that
trading on that Exchange is restricted or an emergency exists, as a result of
which disposal or evaluation of the Securities is not reasonably practicable, or
for other periods as the SEC may permit.
   Certificates. Ownership of Units is evidenced in book-entry form unless a
Unitholder makes a written request to the Trustee that ownership be in
certificate form. Units are transferable by making a written request to the
Trustee and, in the case of Units in certificate form, by presentation of the
certificate to the Trustee properly endorsed or accompanied by a written
instrument or instruments of transfer. A Unitholder must sign the written
request, and certificate or transfer instrument, exactly as his name appears on
the records of the Trustee and on the face of any certificate with the signature
guaranteed by a participant in the Securities Transfer Agents Medallion Program
("STAMP") or a signature guarantee program 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. Fractional certificates
will not be issued. 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 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.
   Reports Provided. Unitholders will receive a statement of dividends and
other amounts received by the Trust for each distribution. Within a reasonable
time after the end of each year, each person who was a Unitholder during that
year will receive a statement describing dividends and capital received, actual
Trust distributions, Trust expenses, a list of the Securities and other Trust
information. Unitholders may obtain the Evaluator's evaluations of the
Securities upon request.

TRUST ADMINISTRATION
- --------------------------------------------------------------------------------

   Portfolio Administration. The Trust is not a managed fund and, except as
provided in the Trust Agreement, Securities generally will not be sold or
replaced. The Sponsor may, however, direct that Securities be sold in certain
limited circumstances to protect the Trust based on advice from the Supervisor.
These situations may include events such as the issuer having defaulted on
payment of any of its outstanding obligations or the price of a Security has
declined to such an extent or other credit factors exist so that in the opinion
of the Sponsor retention of the Security would be detrimental to the Trust. In
addition, the Trustee may sell Securities to redeem Units or pay Trust expenses
or deferred sales charges. The Trustee must reject any offer for securities or
property in exchange for the Securities. If securities or property are
nonetheless acquired by the Trust, the Sponsor may direct the Trustee to sell
the securities or property and distribute the proceeds to Unitholders or to
accept the securities or property for deposit in the Trust. Should any contract
for the purchase of any of the Securities fail, the Sponsor will (unless
substantially all of the moneys held in the Trust to cover the purchase are
reinvested in substitute Securities in accordance with the Trust Agreement)
refund the cash and sales charge attributable to the failed contract to all
Unitholders on or before the next distribution date.
   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
the 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 the 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 Trust, 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 of the Trust Agreement. The Trustee and the Sponsor may amend the
Trust Agreement without the consent of Unitholders to correct any provision
which may be defective or to make other provisions that will not adversely
affect Unitholders (as determined in good faith by the Sponsor and the Trustee).
The Trust Agreement may not be amended to increase the number of Units or permit
acquisition of securities in addition to or substitution for the Securities
(except as provided in the Trust Agreement). The Trustee will notify Unitholders
of any amendment.
   Termination. The Trust will terminate on the Mandatory Termination Date or
upon the sale or other disposition of the last Security held in the Trust. The
Trust may be terminated at any time with consent of Unitholders representing
two-thirds of the outstanding Units or by the Trustee when the value of the
Trust is less than $500,000 ($3,000,000 if the value of the Trust has exceeded
$15,000,000) (the "Minimum Termination Value"). Unitholders will be notified of
any termination. The Trustee may begin to sell Securities in connection with the
Trust termination nine business days before, and no later than, the Mandatory
Termination Date. Approximately thirty days before this date, the Trustee will
notify Unitholders of the termination and provide a form enabling qualified
Unitholders to elect an in kind distribution of Securities. See "Rights of
Unitholders--Redemption of Units". This form must be returned at least five
business days prior to the Mandatory Termination Date. Unitholders will receive
a final cash distribution within a reasonable time after the Mandatory
Termination Date. All distributions will be net of Trust expenses and costs.
Unitholders will receive a final distribution statement following termination.
The Information Supplement contains further information regarding termination of
the Trusts. See "Additional Information".
   Limitations on Liabilities. The Sponsor, Evaluator, Supervisor and Trustee
are under no liability 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 is 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 is not be liable for any action taken by it in good faith under
the Trust Agreement. The Trustee is not liable for any taxes or other
governmental charges imposed on the Securities, on it as Trustee under the Trust
Agreement or on 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
and Supervisor may rely on any evaluation furnished by the Evaluator and have no
responsibility for the accuracy thereof. Determinations by the Evaluator shall
be made in good faith upon the basis of the best information available to it.
   Sponsor. Van Kampen Funds Inc., a Delaware corporation, is the Sponsor of the
Trust. The Sponsor is an indirect subsidiary of Morgan Stanley Dean Witter & Co.
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). The Information Supplement contains
additional information about the Sponsor.
   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. Additional information
regarding the Trustee is set forth in the Information Supplement, including the
Trustee's qualifications and duties, its ability to resign, the effect of a
merger involving the Trustee and the Sponsor's ability to remove and replace the
Trustee. See "Additional Information".
   Performance Information. The Sponsor may from time to time in its advertising
and sales materials compare the then current estimated returns on the Trust and
returns over specified time periods on other trusts (which may show performance
net of expenses and charges which the Trust would have charged) with returns on
other taxable investments such as the common stocks comprising the Dow Jones
Industrial Average, the S&P 500, other investment indices, corporate or U.S.
government bonds, bank CDs, money market accounts or money market funds, or with
performance data from Lipper Analytical Services, Inc., Morningstar
Publications, Inc. or various publications, each of which has characteristics
that may differ from those of the Trust. Information on percentage changes in
the dollar value of Units may be included from time to time in advertisements,
sales literature, reports and other information furnished to current or
prospective Unitholders. Total return figures may not be averaged and may not
reflect deduction of the sales charge, which would decrease return. No provision
is made for any income taxes payable. Past performance may not be indicative of
future results. The Trust portfolio is not managed and Unit price and return
fluctuate with the value of common stocks in the portfolio, so there may be a
gain or loss when Units are sold. As with other performance data, performance
comparisons should not be considered representative of the Trust's relative
performance for any future period.

TAXATION
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   The following is a general discussion of certain of the federal income tax
consequences of the purchase, ownership and disposition of the Units of the
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 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 the Trust 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 the deferred sales charge. Unitholders will be taxed in this manner
regardless of whether distributions from the Trust are actually received by the
Unitholder or are automati cally reinvested.
   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 an 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 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).
   Deferred Sales Charge. Generally, the tax basis of a Unitholder includes
sales charges, and such charges are not deductible. A portion of the sales
charge for the Trust is deferred. The income (or proceeds from redemption) a
Unitholder must take into account for federal income tax purposes is not reduced
by amounts deducted to pay the deferred sales charge. Unitholders should consult
their own tax advisers as to the income tax consequences of the deferred sales
charge.
   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. It should be noted that 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.
   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 an 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
purposed for 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 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 of the Securities held by
the Trust. However, if a Unitholder also receives cash in exchange for a
fractional share of 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
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 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, Supervisor and Evaluator. The Sponsor will not
receive any fees in connection with its activities relating to the Trust.
However, the Supervisor and Evaluator, which are affiliates of the Sponsor, will
receive the annual fee for portfolio supervisory and evaluation services set
forth in the "Fee Table". These fees may exceed the actual costs of providing
these services to the Trust but at no time will the total amount received for
supervisory and evaluation services rendered to all Van Kampen unit investment
trusts in any calendar year exceed the aggregate cost of providing these
services in that year.
   Trustee's Fee. For its services the Trustee will receive the fee from the
Trust set forth in the "Fee Table" (which includes the estimated amount of
miscellaneous Trust expenses). The Trustee benefits to the extent there are
funds 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.
   Miscellaneous Expenses. 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 wilful misconduct on its part, (g) foreign custodial and transaction
fees, (h) costs associated with liquidating the securities held in the Trust
portfolio, (i) any offering costs incurred after the end of the initial offering
period and (j) expenditures incurred in contacting Unitholders upon termination
of the Trust. The Trust may pay the expenses of updating its registration
statement each year. Unit investment trust sponsors have historically paid these
expenses.
   General. During the initial offering period, all of the fees and expenses of
the Trust will accrue on a daily basis and will be charged to the Trust at the
end of the initial offering period. After the initial offering period, all of
the fees and expenses of the Trust will accrue on a daily basis and will be
charged to the Trust on a monthly basis.
   The deferred sales charge, fees and expenses are generally paid out of the
Capital Account of the Trust. When these amounts are paid by or owing to the
Trustee, they are secured by a lien on the Trust's portfolio. It is expected
that Securities will be sold to pay these amounts which will result in capital
gains or losses to Unitholders. See "Taxation". The Supervisor's, Evaluator's
and Trustee's 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 or, if this category is not
published, in a comparable category.

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 to the Trustee
and as special counsel for New York tax matters.

   Independent Certified Public Accountants. The statement of condition and the
related portfolio 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.

ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

   This Prospectus does not contain all the information set forth in the
Registration Statement filed by the Trust with the SEC. The Information
Supplement, which has been filed with the SEC, includes more detailed
information concerning the Securities, investment risks and general information
about the Trust. The Information Supplement may be obtained by contacting the
Trustee at (800) 856-8487 or is available along with other related materials at
the SEC's internet site (http://www.sec.gov).


TABLE OF CONTENTS
- --------------------------------------------------------------------------------
        Title                                    Page
        -----                                    ----
   Summary of Essential Financial Information..     2
   Fee Table...................................     3
   Financial Services Trust....................     4
   Notes to Portfolio..........................     6
   The Securities..............................     7
   Report of Independent Certified
      Public Accountants.......................    11
   Statement of Condition .....................    12
   The Trust...................................   A-1
   Objectives and Securities Selection.........   A-1
   Risk Factors................................   A-2
   Public Offering.............................   A-3
   Rights of Unitholders.......................   A-6
   Trust Administration........................   A-8
   Taxation....................................  A-10
   Trust Operating Expenses....................  A-13
   Other Matters...............................  A-14
   Additional Information......................  A-14



                                                                       EMSPRO148

                                   PROSPECTUS


   
- --------------------------------------------------------------------------------
                                 March 17, 1999




                                   Van Kampen
                              Focus Portfolios (SM)
                      A Division of Van Kampen Funds Inc.


          Financial Services Trust,
          Series 4
    

                              Van Kampen Funds Inc.



                               One Parkview Plaza
                        Oakbrook Terrace, Illinois 60181

                             2800 Post Oak Boulevard
                              Houston, Texas 77056

              Please retain this prospectus for future reference.

<PAGE>
   
                                   Van Kampen
                             Information Supplement
                     Van Kampen Focus Portfolios, Series 148
    

- --------------------------------------------------------------------------------
     This Information Supplement provides additional information concerning the
risks and operations of the Trust which is not described in the Prospectus. This
Information Supplement should be read in conjunction with the Prospectus. This
Information Supplement is not a prospectus, does not include all of the
information that an investor should consider before investing in the Trust and
may not be used to offer or sell Units without the Prospectus. Copies of the
Prospectus can be obtained by contacting the Sponsor at One Parkview Plaza,
Oakbrook Terrace, Illinois 60181 or by contacting your broker. This Information
Supplement is dated as of the date of the Prospectus and all capitalized terms
have been defined in the Prospectus.

                                Table of Contents
                                                                      Page
            Risk Factors                                                 2
            The Trust                                                    5
            Sponsor Information                                          6
            Trustee Information                                          6
            Trust Termination                                            7

RISK FACTORS
     Price Volatility. Because the Trusts invest in stocks of U.S. and foreign
companies, you should understand the risks of investing in stocks before
purchasing Units. These risks include the risk that the financial condition of
the company or the general condition of the stock market may worsen and the
value of the stocks (and therefore Units) will fall. Stocks are especially
susceptible to general stock market movements. The value of common stocks often
rises or falls rapidly and unpredictably as market confidence and perceptions of
companies change. These perceptions are based on factors including expectations
regarding government economic policies, inflation, interest rates, economic
expansion or contraction, political climates and economic or banking crises. The
value of Units will fluctuate with the value of the stocks in a Trust and may be
more or less than the price you originally paid for your Units. As with any
investment, we cannot guarantee that the performance of a Trust will be positive
over any period of time. Because the Trusts are unmanaged, the Trustee will not
sell stocks in response to market fluctuations as is common in managed
investments. In addition, because some Trusts hold a relatively small number of
stocks, you may encounter greater market risk than in a more diversified
investment.
     Dividends. Stocks represent ownership interests in a company and are not
obligations of the company. Common stockholders have a right to receive payments
from the company that is subordinate to the rights of creditors, bondholders or
preferred stockholders of the company. This means that common stockholders have
a right to receive dividends only if a company's board of directors declares a
dividend and the company has provided for payment of all of its creditors,
bondholders and preferred stockholders. If a company issues additional debt
securities or preferred stock, the owners of these securities will have a claim
against the company's assets before common stockholders if the company declares
bankruptcy or liquidates its assets even though the common stock was issued
first. As a result, the company may be less willing or able to declare or pay
dividends on its common stock.
     Foreign Stocks. Because certain Trusts invest in foreign stocks, they
involve additional risks that differ from an investment in domestic stocks.
Investments in foreign securities may involve a greater degree of risk than
those in domestic securities. There is generally less publicly available
information about foreign companies in the form of reports and ratings similar
to those that are published about issuers in the United States. Also, foreign
issuers are generally not subject to uniform accounting, auditing and financial
reporting requirements comparable to those applicable to United States issuers.
With respect to certain foreign countries, there is the possibility of adverse
changes in investment or exchange control regulations, expropriation,
nationalization or confiscatory taxation, limitations on the removal of funds or
other assets of a Trust, political or social instability, or diplomatic
developments which could affect United States investments in those countries.
Moreover, industrial foreign economies may differ favorably or unfavorably from
the United States' economy in terms of growth of gross national product, rate of
inflation, capital reinvestment, resource self-sufficiency and balance of
payments position. Foreign securities markets are generally not as developed or
efficient as those in the United States. While growing in volume, they usually
have substantially less volume than the New York Stock Exchange, and securities
of some foreign issuers are less liquid and more volatile than securities of
comparable United States issuers. Fixed commissions on foreign exchanges are
generally higher than negotiated commissions on United States exchanges. There
is generally less government supervision and regulation of securities exchanges,
brokers and listed issuers than in the United States.
     Foreign Currencies. Certain Trusts also involve the risk that fluctuations
in exchange rates between the U.S. dollar and foreign currencies may negatively
affect the value of the stocks. For example, if a foreign stock rose 10% in
price but the U.S. dollar gained 5% against the related foreign currency, a U.S.
investor's return would be reduced to about 5%. This is because the foreign
currency would "buy" fewer dollars or, conversely, a dollar would buy more of
the foreign currency. Many foreign currencies have fluctuated widely against the
U.S. dollar for a variety of reasons such as supply and demand of the currency,
investor perceptions of world or country economies, political instability,
currency speculation by institutional investors, changes in government policies,
buying and selling of currencies by central banks of countries, trade balances
and changes in interest rates. A Trust's foreign currency transactions will be
conducted with foreign exchange dealers acting as principals on a spot (i.e.,
cash) buying basis. These dealers realize a profit based on the difference
between the price at which they buy the currency (bid price) and the price at
which they sell the currency (offer price). The Evaluator will estimate the
currency exchange rates based on current activity in the related currency
exchange markets, however, due to the volatility of the markets and other
factors, the estimated rates may not be indicative of the rate a Trust might
obtain had the Trustee sold the currency in the market at that time.
     Liquidity. Whether or not the stocks in a Trust are listed on a stock
exchange, the stocks may delist from the exchange or principally trade in an
over-the-counter market. As a result, the existence of a liquid trading market
could depend on whether dealers will make a market in the stocks. We cannot
guarantee that dealers will maintain a market or that any market will be liquid.
The value of the stocks could fall if trading markets are limited or absent.
     Additional Units. The Sponsor may create additional Units of a Trust by
depositing into the Trust additional stocks or cash with instructions to
purchase additional stocks. A cash deposit could result in a dilution of your
investment and anticipated income because of fluctuations in the price of the
stocks between the time of the deposit and the purchase of the stocks and
because the Trust will pay brokerage fees.
     Voting. Only the Trustee may sell or vote the stocks in a Trust. While you
may sell or redeem your Units, you may not sell or vote the stocks in your
Trust. The Sponsor will instruct the Trustee how to vote the stocks. The Trustee
will vote the stocks in the same general proportion as shares held by other
shareholders if the Sponsor fails to provide instructions.
   Financial Services Issuers. The Financial Services Trust is concentrated in
issuers within the financial services industry. A portfolio concentrated in a
single industry may present more risk than a portfolio broadly diversified over
several industries. The Trust, and therefore Unitholders, may be particularly
susceptible to a negative impact resulting from adverse market conditions or
other factors affecting financial services issuers because any negative impact
on the financial services industry will not be diversified among issuers within
other unrelated industries. Accordingly, an investment in Units should be made
with an understanding of the characteristics of the financial services industry
and the risks which such an investment may entail.
   An investment in Units should be made with an understanding of the problems
and risks inherent in the insurance sector. Companies involved in the insurance
industry are engaged in underwriting, reinsuring, selling, distribution or
placing of property and casualty, life or health insurance. Other growth areas
within the insurance industry include brokerage, reciprocals, claims processors
and multiline insurance companies. Multiline insurance companies provide
property and casualty coverage, as well as life and health insurance. The Trust
may also invest in diversified financial companies with subsidiaries (including
insurance brokerage, reciprocals and claims processors) engaged in underwriting,
reinsuring, selling, distributing or placing insurance with independent third
parties.
   Insurance company profits are affected by interest rate levels, general
economic conditions, and price and marketing competition. Property and casualty
insurance profits may also be affected by weather catastrophes and other
disasters. Life and health insurance profits may be affected by morality and
morbidity rates. Individual companies may be exposed to material risks including
reserve inadequacy and the inability to collect from reinsurance carriers.
Insurance companies are subject to extensive governmental regulation, including
the imposition of maximum rate levels, which may not be adequate for some lines
of business. Proposed or potential tax law changes may also adversely affect
insurance companies' policy sales, tax obligations, and profitability. In
addition to the foregoing, profit margins of these companies continue to shrink
due to the commoditization of traditional businesses, new competitors, capital
expenditures on new technology and the pressures to compete globally.
   In addition to the normal risks of business, companies involved in the
insurance industry are subject to significant risk factors, including those
applicable to regulated insurance companies, such as: (i) the inherent
uncertainty in the process of establishing property-liability loss reserves,
particularly reserves for the cost of environmental, asbestos and mass tort
claims, and the fact that ultimate losses could materially exceed established
loss reserves which could have a material adverse effect on results of
operations and financial condition; (ii) the fact that insurance companies have
experienced, and can be expected in the future to experience, catastrophe losses
which could have a material adverse impact on their financial condition, results
of operations and cash flow; (iii) the inherent uncertainty in the process of
establishing property-liability loss reserves due to changes in loss payment
patterns caused by new claims settlement practices; (iv) the need for insurance
companies and their subsidiaries to maintain appropriate levels of statutory
capital and surplus, particularly in light of continuing scrutiny by rating
organizations and state insurance regulatory authorities, and in order to
maintain acceptable financial strength or claims-paying ability rating; (v) the
extensive regulation and supervision to which insurance companies' subsidiaries
are subject, various regulatory initiatives that may affect insurance companies,
and regulatory and other legal actions; (vi) the adverse impact that increases
in interest rates could have on the value of an insurance company's investment
portfolio and on the attractiveness of certain of its products; (vii) the need
to adjust the effective duration of the assets and liabilities of life insurance
operations in order to meet the anticipated cash flow requirements of its
policyholder obligations; and (viii) the uncertainty involved in estimating the
availability of reinsurance and the collectibility of reinsurance recoverables.
   The state insurance regulatory framework has, during recent years, come under
increased federal scrutiny, and certain state legislatures have considered or
enacted laws that alter and, in many cases, increase state authority to regulate
insurance companies and insurance holding company systems. Further, the National
Association of Insurance Commissioners ("NAIC") and state insurance regulators
are re-examining existing laws and regulations, specifically focusing on
insurance companies, interpretations of existing laws and the development of new
laws. In addition, Congress and certain federal agencies have investigated the
condition of the insurance industry in the United States to determine whether to
promulgate additional federal regulation. The Sponsor is unable to predict
whether any state or federal legislation will be enacted to change the nature or
scope of regulation of the insurance industry, or what effect, if any, such
legislation would have on the industry.
   All insurance companies are subject to state laws and regulations that
require diversification of their investment portfolios and limit the amount of
investments in certain investment categories. Failure to comply with these laws
and regulations would cause non-conforming investments to be treated as
non-admitted assets for purposes of measuring statutory surplus and, in some
instances, would require divestiture. Environmental pollution clean-up is the
subject of both federal and state regulation. By some estimates, there are
thousands of potential waste sites subject to clean up. The insurance industry
is involved in extensive ligation regarding coverage issues. The Comprehensive
Environmental Response Compensation and Liability Act of 1980 ("Superfund") and
comparable state statutes ("mini-Superfund") govern the clean-up and restoration
by "Potentially Responsible Parties" ("PRP's"). Superfund and the
mini-Superfunds ("Environmental Clean-up Laws or "ECLs") establish a mechanism
to pay for clean-up of waste sites if PRP's fail to do so, and to assign
liability to PRP's. The extent of liability to be allocated to PRP is dependent
on a variety of factors. Further, the number of waste sites subject to clean-up
is unknown. Very few sites have been subject to clean-up to date. The extent of
clean-up necessary and the assignment of liability has not been established. The
insurance industry is disrupting many such claims. Key coverage issues include
whether Superfund response costs are considered damages under the policies, when
and how coverage is triggered, applicability of pollution exclusions, the
potential for joint and several liability and definition of an occurrence.
Similar coverage issues exist for clean up and waste sites not covered under
Superfund. To date, courts have been inconsistent in their rulings on these
issues. An insurer's exposure to liability with regard to its insureds which
have been, or may be, named as PRPs is uncertain. Superfund reform proposals
have been introduced in Congress, but none have been enacted. There can be no
assurance that any Superfund reform legislation will be enacted or that any such
legislation will provide for a fair, effective and cost-efficient system for
settlement of Superfund related claims.
   Proposed federal legislation which would permit banks greater participation
in the insurance business could, if enacted, present an increased level of
competition for the sale of insurance products. In addition, while current
federal income tax law permits the tax-deferred accumulation of earnings on the
premiums paid by an annuity owner and holders of certain savings-oriented life
insurance products, no assurance can be given that future tax law will continue
to allow such tax deferrals. If such deferrals were not allowed, consumer demand
for the affected products would be substantially reduced. In addition, proposals
to lower the federal income tax rates through a form of flat tax or otherwise
could have, if enacted, a negative impact on the demand for such products.
   An investment in Units should also be made with an understanding of the
problems and risks of companies engaged in investment banking/brokerage and
investment management. Such companies include brokerage firms, broker/dealers,
investment banks, finance companies and mutual fund companies. Earnings and
share prices of companies in this industry are quite volatile, and often exceed
the volatility levels of the market as a whole. Recently, ongoing consolidation
in the industry and the strong stock market has benefited stocks which investors
believe will benefit from greater investor and issuer activity. Major
determinants of future earnings of these companies are the direction of the
stock market, investor confidence, equity transaction volume, the level and
direction of long-term and short-term interest rates, and the outlook for
emerging markets. Negative trends in any of these earnings determinants could
have a serious adverse effect on the financial stability, as well as the stock
prices, of these companies. Furthermore, there can be no assurance that the
issuers of the Equity Securities will be able to respond in a timely manner to
compete in the rapidly developing marketplace. In addition to the foregoing,
profit margins of these companies continue to shrink due to the commoditization
of traditional businesses, new competitors, capital expenditures on new
technology and the pressures to compete globally. THE TRUST
     In seeking the Trust's objectives, the Sponsor considered the ability of
the Securities to outpace inflation. While inflation is currently relatively
low, the United States has historically experienced periods of double-digit
inflation. While the prices of securities will fluctuate, over time securities
have outperformed the rate of inflation, and other less risky investments, such
as government bonds and U.S. Treasury bills. Past performance is, however, no
guarantee of future results.
     Investors should note that the above criteria were applied to the
Securities for inclusion in the Trusts as of the Initial Date of Deposit. Should
a Security no longer meet the criteria used for selection for a Trust, such
Security will not as a result thereof be removed from a Trust portfolio.
   Stocks have been acknowledged as one of the best ways to stay ahead of
inflation over time. For example, common stocks (as represented by the Standard
& Poor's 500 Index) have generally outperformed long-term U.S. Government bonds,
U.S. Treasury bills and the rate of inflation over the long-term. Of course,
this represents past performance of these categories and there is no guarantee
of future results, either of these categories or of the Trust. In addition, the
certain Trusts seek to provide access to international markets which have often
generated historical returns superior to those in the United States. For
example, during 1993-1997, the United States stock market ranked among the top
three developed markets in total return only once and never ranked first
(measured by the Morgan Stanley Capital International USA Index and MSCI country
indexes).

SPONSOR INFORMATION

   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 September 30, 1997, the Sponsor and its Van Kampen affiliates managed
or supervised approximately $65.3 billion of investment products, of which over
$10.85 billion is invested in municipal securities. The Sponsor and its Van
Kampen affiliates managed $54 billion of assets, consisting of $34.3 billion for
55 open-end mutual funds (of which 45 are distributed by Van Kampen Funds Inc.)
$14.2 billion for 37 closed-end funds and $5.5 billion for 106 institutional
accounts. The Sponsor has also deposited approximately $26 billion of unit
investment trusts. 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 and evaluation services at cost
for approximately $13 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 Trusts as
provided therein or (iii) continue to act as Trustee without terminating the
Trust Agreement.

TRUSTEE INFORMATION
     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 portfolios.
     In accordance with the Trust Agreement, the Trustee shall keep proper books
of record and account of all transactions at its office for each Trust. Such
records shall include the name and address of, and the number of Units of each
Trust held by, every Unitholder. 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. 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 each 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. 

TRUST TERMINATION
     A Trust may be liquidated at any time by consent of Unitholders
representing 66 2/3% of the Units of such Trust then outstanding or by the
Trustee when the value of the Securities owned by a Trust, as shown by any
evaluation, is less than $500,000 ($3,000,000 if the value of the Trust has
exceeded $15,000,000). A Trust will be liquidated by the Trustee in the event
that a sufficient number of Units of such Trust not yet sold are tendered for
redemption by the Sponsor, so that the net worth of such Trust would be reduced
to less than 40% of the value of the Securities at the time they were deposited
in such Trust. If a Trust is liquidated because of the redemption of unsold
Units by the Sponsor, the Sponsor will refund to each purchaser of Units the
entire sales charge paid by such purchaser. 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.
     Commencing during the period beginning nine business days prior to, and no
later than, the Mandatory Termination Date, Securities will begin to be sold in
connection with the termination of the Trusts. The Sponsor will determine the
manner, timing and execution of the sales of the 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. At least 30 days before
the Mandatory Termination Date the Trustee will provide written notice of any
termination to all Unitholders of the appropriate Trust and in the case of a
Trust will include with such notice a form to enable Unitholders owning 1,000 or
more Units to request an in kind distribution of the U.S.-traded Securities. 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 the
U.S.-traded Securities in a Trust 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 Securities will be paid in cash.
Unitholders with less than 1,000 Units, Unitholders in a Trust with 1,000 or
more Units not requesting an in kind distribution will receive a cash
distribution from the sale of the remaining Securities within a reasonable time
following the Mandatory Termination Date. Regardless of the distribution
involved, the Trustee will deduct from the funds of the appropriate 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 Securities in a 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 of each Trust his pro rata share of the balance of the Income
and Capital Accounts of such Trust.
     Within 60 days of the final distribution Unitholders will be furnished a
final 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.
<PAGE>



                       CONTENTS OF REGISTRATION STATEMENTS

         This Amendment of Registration Statement comprises the following papers
and documents:

         The facing sheet
         The Prospectus
         The signatures
         The consents of independent public accountants and legal counsel

The following exhibits:

1.1  Copy of Trust Agreement.

3.1  Opinion and consent of counsel as to legality of securities being 
     registered.

3.2  Opinion of counsel as to the Federal Income tax status of securities being
     registered.

3.3  Opinion and consent of counsel as to New York tax status of securities 
     being registered.

4.1  Consent of Interactive Data Corporation.

4.2  Consent of Independent Certified Public Accountants.


<PAGE>
                                   

                                   SIGNATURES

         The Registrant, Van Kampen Focus Portfolios, Series 148, hereby
identifies Van Kampen Merritt Equity Opportunity Trust, Series 1, Series 2,
Series 4 and Series 7 and Van Kampen American Capital Equity Opportunity Trust,
Series 13, Series 14, Series 57 and Series 89 for purposes of the
representations required by Rule 487 and represents the following: (1) that the
portfolio securities deposited in the series as to the securities of which this
Registration Statement is being filed do not differ materially in type or
quality from those deposited in such previous series; (2) that, except to the
extent necessary to identify the specific portfolio securities deposited in, and
to provide essential financial information for, the series with respect to the
securities of which this Registration Statement is being filed, this
Registration Statement does not contain disclosures that differ in any material
respect from those contained in the registration statements for such previous
series as to which the effective date was determined by the Commission or the
staff; and (3) that it has complied with Rule 460 under the Securities Act of
1933.

         Pursuant to the requirements of the Securities Act of 1933, the
Registrant, Van Kampen Focus Portfolios, Series 148 has duly caused this
Amendment to the Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Chicago and State of
Illinois on the 17th day of March, 1999.

                     Van Kampen Focus Portfolios, Series 148
                            By Van Kampen Funds Inc.


                                                             By Gina M. Costello
                                                             Assistant Secretary

         Pursuant to the requirements of the Securities Act of 1933, this
Amendment to the Registration Statement has been signed below on March 17, 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.





                                                        
                                                                     EXHIBIT 1.1

                           VAN KAMPEN FOCUS PORTFOLIOS
                                   SERIES 148
                                 TRUST AGREEMENT

                              Dated: March 17, 1999

         This Trust Agreement among Van Kampen Funds Inc., as Depositor,
American Portfolio Evaluation Services, a division of Van Kampen Investment
Advisory Corp., as Evaluator, Van Kampen Investment Advisory Corp., as
Supervisory Servicer, and The Bank of New York, as Trustee, sets forth certain
provisions in full and incorporates other provisions by reference to the
document entitled "Van Kampen American Capital Equity Opportunity Trust, Series
87 and Subsequent Series, Standard Terms and Conditions of Trust, Effective
January 27, 1998" (herein called the "Standard Terms and Conditions of Trust")
and such provisions as are set forth in full and such provisions as are
incorporated by reference constitute a single instrument. All references herein
to Articles and Sections are to Articles and Sections of the Standard Terms and
Conditions of Trust.


                                WITNESSETH THAT:

         In consideration of the premises and of the mutual agreements herein
contained, the Depositor, Evaluator, Supervisory Servicer and Trustee agree as
follows:


                                     PART I
                     STANDARD TERMS AND CONDITIONS OF TRUST

         Subject to the provisions of Part II hereof, all the provisions
contained in the Standard Terms and Conditions of Trust are herein incorporated
by reference in their entirety and shall be deemed to be a part of this
instrument as fully and to the same extent as though said provisions had been
set forth in full in this instrument.


                                     PART II
                      SPECIAL TERMS AND CONDITIONS OF TRUST

         The following special terms and conditions are hereby agreed to:

          1. The Securities defined in Section 1.01(24), listed in the Schedule
hereto, have been deposited in trust under this Trust Agreement.

          2. The fractional undivided interest in and ownership of each Trust
represented by each Unit is an amount the numerator of which is one and the
denominator of which is the amount set forth under "Summary of Essential
Financial Information - Initial Number of Units" in the Prospectus. Such
fractional undivided interest may be (a) increased by the number of any
additional Units issued pursuant to Section 2.03, (b) increased or decreased in
connection with an adjustment to the number of Units pursuant to Section 2.03,
or (c) decreased by the number of Units redeemed pursuant to Section 5.02.

          3. The terms "Capital Account Record Date" and "Income Account Record
Date" shall mean the "Record Dates" set forth under "Summary of Essential
Financial Information" in the Prospectus.

          4. The terms "Capital Account Distribution Date" and "Income Account
Distribution Date" shall mean the "Distribution Dates" set forth under "Summary
of Essential Financial Information" in the Prospectus.

          5. The term "Mandatory Termination Date" shall mean the "Mandatory
Termination Date" set forth under "Summary of Essential Financial Information"
in the Prospectus.

          6. Section 6.01(e) is hereby replaced with the following:

                   (e) (1) Subject to the provisions of subparagraph (2) of this
         paragraph, the Trustee may employ agents, sub-custodians, attorneys,
         accountants and auditors and shall not be answerable for the default or
         misconduct of any such agents, sub-custodians, attorneys, accountants
         or auditors if such agents, sub-custodians, attorneys, accountants or
         auditors shall have been selected with reasonable care. The Trustee
         shall be fully protected in respect of any action under this Indenture
         taken or suffered in good faith by the Trustee in accordance with the
         opinion of counsel, which may be counsel to the Depositor acceptable to
         the Trustee, provided, however that this disclaimer of liability shall
         not excuse the Trustee from the responsibilities specified in
         subparagraph (2) below. The fees and expenses charged by such agents,
         sub-custodians, attorneys, accountants or auditors shall constitute an
         expense of the Trust reimbursable from the Income and Capital Accounts
         of the affected Trust as set forth in section 6.04 hereof.

                   (2) The Trustee may place and maintain in the care of an
         Eligible Foreign Custodian (which is employed by the Trustee as a
         sub-custodian as contemplated by subparagraph (1) of this paragraph (e)
         and which may be an affiliate or subsidiary of the Trustee or any other
         entity in which the Trustee may have an ownership interest) any
         investments (including foreign currencies) for which the primary market
         is outside the United States, and such cash and cash equivalents in
         amounts reasonably necessary to effect the Trust's transactions in such
         investments, provided that:

                            (a) The Trustee shall perform all duties assigned to
                  the Foreign Custody Manager by Rule 17f-5 under the Investment
                  Company Act of 1940 (17 CFR ss. 270.17f-5) ("Rule 17f-5"), as
                  now in effect or as such rule may be amended in the future.
                  The Trustee shall not delegate such duties.

                            (b) The Trustee shall exercise reasonable care,
                  prudence and diligence such as a person having responsibility
                  for the safekeeping of Trust assets would exercise, and shall
                  be liable to the Trust for any loss occurring as a result of
                  its failure to do so.

                            (c) The Trustee shall indemnify the Trust and hold
                  the Trust harmless from and against any risk of loss of Trust
                  assets held in accordance with the foreign custody contract.

                            (d) The Trustee shall maintain and keep current
                  written records regarding the basis for the choice or
                  continued use of a particular Eligible Foreign Custodian
                  pursuant to this subparagraph for a period of not less than
                  six years from the end of the fiscal year in which the Trust
                  was terminated, the first two years in an easily accessible
                  place. Such records shall be available for inspection by
                  Unitholders and the Securities and Exchange Commission at the
                  Trustee's offices at all reasonable times during its usual
                  business hours.

                  (3) "Eligible Foreign Custodian" shall have the meaning
         assigned to it in Rule 17f-5.

                  (4) "Foreign Custody Manager" shall have the meaning assigned
         to it in Rule 17f-5.

          7. Section 1.01 (1), (3) and (4) shall be replaced in their entirety 
by the following:

                (1) "Depositor" shall mean Van Kampen Funds Inc. and its
succesors in interest, or any successor depositor appointed as hereinafter
provided.

                (3) "Evaluator" shall mean American Portfolio Evaluation
Services (a division of a Van Kampen Investment Advisory Corp.) and its
successors in interest, or any successor evaluator appointed as hereinafter
provided.

                (4) "Supervisory Servicer" shall mean Van Kampen Investment
Advisory Corp. and its successors in interest, or any successor portfolio
supervisor appointed as hereinafter provided.

          8. Notwithstanding anything to the contrary in the Standard Terms and
Conditions of Trust and subject to the requirements set forth in this paragraph,
unless the Prospectus otherwise requires, the Sponsor may, on any Business Day
(the "Trade Date"), subscribe for additional Units as follows:

                (a) Prior to the Evaluation Time on such Business Day, the
Sponsor shall provide notice (the "Subscription Notice") to the Trustee, by
telephone or by written communication, of the Sponsor's intention to subscribe
for additional Units. The Subscription Notice shall identify the additional
Securities to be acquired (unless such additional Securities are a precise
replication of the then existing portfolio) and shall either (i) specify the
quantity of additional Securities to be deposited by the Sponsor on the
settlement date for such subscription or (ii) instruct the Trustee to purchase
additional Securities with an aggregate value as specified in the Subscription
Notice.

                (b) Promptly following the Evaluation Time on such Business Day,
the Sponsor shall verify with the Trustee the number of additional Units to be
created.

                (c) Not later than the time on the settlement date for such
subscription when the Trustee is to deliver or assign the additional Units
created hereby, the Sponsor shall deposit with the Trustee (i) any additional
Securities specified in the Subscription Notice (or contracts to purchase such
additional Securities together with cash or a letter of credit in the amount
necessary to settle such contracts) or (ii) cash or a letter of credit in an
amount equal to the aggregate value of the additional Securities specified in
the Subscription Notice, and adding and subtracting the amounts specified in the
first and second sentences of Section 5.01, computed as of the Evaluation Time
on the Business Day preceding the Trade Date divided by the number of Units
outstanding as of the Evaluation Time on the Business Day preceding the Trade
Date, times the number of additional Units to be created.

                (d) On the settlement date for such subscription, the Trustee
shall, in exchange for the Securities and cash or letter of credit described
above, deliver to, or assign in the name of or on the order of, the Sponsor the
number of Units verified by the Sponsor with the Trustee.

         IN WITNESS WHEREOF, the undersigned have caused this Trust Agreement to
be executed and their corporate seals to be hereto affixed and attested; all as
of the day, month and year first above written.


                              Van Kampen Funds Inc.

                                                               By James J. Boyne
                                                                  Vice President
Attest:


By     Nicholas Dalmaso
Assistant Secretary

        American Portfolio Evaluation Services, a division of Van Kampen
                            Investment Advisory Corp.

                                                               By James J. Boyne
                                                                  Vice President
Attest

By     Nicholas Dalmaso
Assistant Secretary
                      Van Kampen Investment Advisory Corp.

                                                               By James J. Boyne
                                                                  Vice President
Attest

By     Nicholas Dalmaso
Assistant Secretary

                              The Bank of New York

                                                                By Jeffrey Cohen
                                                                  Vice President
Attest

By          Robert Weir
Assistant Treasurer



                          SCHEDULE A TO TRUST AGREEMENT
                         SECURITIES INITIALLY DEPOSITED

                                       IN

                     VAN KAMPEN FOCUS PORTFOLIOS, SERIES 148



(Note: Incorporated herein and made a part hereof is the "Portfolio" as set
forth in the Prospectus.)






                                                                     EXHIBIT 3.1

                               CHAPMAN AND CUTLER
                             111 WEST MONROE STREET
                             CHICAGO, ILLINOIS 60603

                                 March 17, 1999



Van Kampen Funds Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois  60181


                   Re: Van Kampen Focus Portfolios, Series 148
                     ---------------------------------------

Gentlemen:

         We have served as counsel for Van Kampen Funds Inc. as Sponsor and
Depositor of Van Kampen Focus Portfolios, Series 148 (hereinafter referred to as
the "Trust"), in connection with the preparation, execution and delivery of a
Trust Agreement dated March 17, 1999, among Van Kampen Funds Inc., as Depositor,
American Portfolio Evaluation Services, a division of Van Kampen Investment
Advisory Corp., as Evaluator, Van Kampen Investment Advisory Corp., as
Supervisory Servicer, and The Bank of New York, as Trustee, pursuant to which
the Depositor has delivered to and deposited the Securities listed in the
Schedule to the Trust Agreement with the Trustee and pursuant to which the
Trustee has provided to or on the order of the Depositor documentation
evidencing ownership of Units of fractional undivided interest in and ownership
of the Trust (hereinafter referred to as the "Units"), created under said Trust
Agreement.

         In connection therewith we have examined such pertinent records and
documents and matters of law as we have deemed necessary in order to enable us
to express the opinions hereinafter set forth.

         Based upon the foregoing, we are of the opinion that:

                    1. The execution and delivery of the Trust Agreement and the
         execution and issuance of certificates evidencing the Units in the 
         Trust have been duly authorized; and

                    2. The certificates evidencing the Units in the Trust, when
         duly executed and delivered by the Depositor and the Trustee in
         accordance with the aforementioned Trust Agreement, will constitute
         valid and binding obligations of such Trust and the Depositor in
         accordance with the terms thereof.

         We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement (File No. 333-72091) relating to the Units referred to
above and to the use of our name and to the reference to our firm in said
Registration Statement and in the related Prospectus.

                                                         Respectfully submitted,



                                                              CHAPMAN AND CUTLER



                    
                                                                    EXHIBIT 3.2

                               CHAPMAN AND CUTLER
                             111 WEST MONROE STREET
                             CHICAGO, ILLINOIS 60603

                                 March 17, 1999



Van Kampen Funds Inc.
One Parkview Plaza
Oakbrook Terrace, Illinois  60181

The Bank of New York
101 Barclay Street
New York, New York  10286


                   Re: Van Kampen Focus Portfolios, Series 148
                     ---------------------------------------

Gentlemen:

         We have acted as counsel for Van Kampen Funds Inc., Depositor of Van
Kampen Focus Portfolios, Series 148 (the "Fund"), in connection with the
issuance of Units of fractional undivided interest in the Fund, under a Trust
Agreement dated March 17, 1999 (the "Indenture") among Van Kampen Funds Inc., as
Depositor, American Portfolio Evaluation Services, a division of Van Kampen
Investment Advisory Corp., as Evaluator, Van Kampen Investment Advisory Corp.,
as Supervisory Servicer, and The Bank of New York, as Trustee. The Fund is
comprised of one unit investment trust, Financial Services Trust, Series 4 (the
"Trust").

         In this connection, we have examined the Registration Statement, the
Prospectus, the Indenture, and such other instruments and documents as we have
deemed pertinent.

         The assets of the Trust will consist of a portfolio of equity
securities (the "Securities") as set forth in the Prospectus. For purposes of
the following discussion and opinion, it is assumed that each Security is equity
for federal income tax purposes.

         Based upon the foregoing and upon an investigation of such matters of
law as we consider to be applicable, we are of the opinion that, under existing
United States Federal income tax law:

                   (i) The Trust is not an association taxable as a corporation
         for Federal income tax purposes but will be governed by the provisions
         of subchapter J (relating to Trusts) of chapter 1, Internal Revenue
         Code of 1986 (the "Code").

                  (ii) Each Unitholder will be considered as owning a pro rata
         share of each asset of the trust in the proportion that the number of
         Units held by him bears to the total number of Units outstanding. Under
         subpart E, subchapter J of chapter 1 of the Code, income of the Trust
         will be treated as income of each Unitholder in the proportion
         described, and an item of Trust income will have the same character in
         the hands of a Unitholder as it would have in the hands of the Trustee.
         Each Unitholder will be considered to have received his pro rata share
         of income derived from each Trust asset when such income is considered
         to be received by the Trust. A Unitholder's pro rata portion of
         distributions of cash or property by a corporation with respect to a
         Security ("dividends" as defined by Section 316 of the Code ) is
         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 the Unitholder's tax
         basis in such Security, and to the extent that such dividends exceed a
         Unitholder's tax basis in such Security, shall be treated as gain from
         the sale or exchange of property.

                 (iii) 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 closest to the date the Unitholder
         purchases his Units), in order to determine his tax basis for his pro
         rata portion of each Security held by the Trust.

                  (iv) Gain or loss will be recognized to a Unitholder (subject
         to various nonrecognition provisions under the Code) upon redemption or
         sale of his Units, except to the extent an in kind distribution of
         stock is received by such Unitholder from the Trust as discussed below.
         Such gain or loss is measured by comparing the proceeds of such
         redemption or sale with the adjusted basis of his Units. Before
         adjustment, such basis would normally be cost if the Unitholder had
         acquired his Units by purchase. Such basis will be reduced, but not
         below zero, by the Unitholder's pro rata portion of dividends with
         respect to each Security which is not taxable as ordinary income.

                   (v) If the Trustee disposes of a Trust asset (whether by
         sale, taxable exchange, liquidation, redemption, payment on maturity or
         otherwise) gain or loss will be recognized to the Unitholder (subject
         to various nonrecognition provisions under the Code) and the amount
         thereof will be measured by comparing the Unitholder's aliquot share of
         the total proceeds from the transaction with his basis for his
         fractional interest in the asset disposed of. Such basis is ascertained
         by apportioning the tax basis for his Units (as of the date on which
         his Units were acquired) among each of the Trust assets (as of the date
         on which his Units were acquired) ratably according to their values as
         of the valuation date nearest the date on which he purchased such
         Units. A Unitholder's basis in his Units and of his fractional interest
         in each Trust asset must be reduced, but not below zero, by the
         Unitholder's pro rata portion of dividends with respect to each
         Security which is not taxable as ordinary income.

                  (vi) Under the Indenture, under certain circumstances, a
         Unitholder tendering Units for redemption may request an in kind
         distribution of Securities upon the redemption of Units or upon the
         termination of the Trust. 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.
         The receipt of an in kind distribution will result in a Unitholder
         receiving an undivided interest in whole shares of stock and possibly
         cash. The potential federal income tax consequences which may occur
         under an in kind distribution with respect to each Security owned by
         the Trust will depend upon 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 a 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. The total amount of
         taxable gains (or losses) recognized upon such redemption will
         generally equal the sum of the gain (or loss) recognized under the
         rules described above by the redeeming Unitholder with respect to each
         Security owned by the Trust.

         A domestic corporation owning Units in the Trust may be eligible for
the 70% dividends received deduction pursuant to Section 243(a) of the Code 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), subject to the
limitations imposed by Sections 246 and 246A of the Code.

         To the extent dividends received by a 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.

         Section 67 of the Code provides that certain itemized deductions, such
as investment expenses, tax return preparation fees and employee business
expenses will be deductible by individuals 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.

         A Unitholder will recognize taxable gain (or loss) when all or part of
his pro rata interest in a Security is either sold by the Trust or redeemed or
when a Unitholder disposes of his Units in a taxable transaction, in each case
for an amount greater (or less) than his tax basis therefor, subject to various
non-recognition provisions of the Code.

         It should be noted that payments to a 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. A
required holding period is imposed for such credits.

         Any gain or loss recognized on a sale or exchange will, under current
law, generally be capital gain or loss.

         The scope of this opinion is expressly limited to the matters set forth
herein, and, except as expressly set forth above, we express no opinion with
respect to any other taxes, including foreign, state or local taxes or
collateral tax consequences with respect to the purchase, ownership and
disposition of Units.

                                                                Very truly yours



                                                              CHAPMAN AND CUTLER




                                                                     EXHIBIT 3.3

                                WINSTON & STRAWN
                                 200 Park Avenue
                          New York, New York 10166-4193

                                 March 17, 1999



Van Kampen Focus Portfolios, Series 148
c/o The Bank of New York, As Trustee
101 Barclay Street, 17 West
New York, New York  10286

Dear Sirs:

         We have acted as special counsel for the Van Kampen Focus Portfolios,
Series 148 (the "Fund") consisting of Financial Services Trust, Series 4
(individually, a "Trust" and, in the aggregate the "Trusts") for purposes of
determining the applicability of certain New York taxes under the circumstances
hereinafter described.

         The Fund is created pursuant to a Trust Agreement (the "Indenture"),
dated as of today (the "Date of Deposit") among Van Kampen Funds Inc. (the
"Depositor"), American Portfolio Evaluation Services, a division of an affiliate
of the Depositor, as Evaluator, Van Kampen Investment Advisory Corp., an
affiliate of the Depositor, as Supervisory Servicer (the "Supervisory
Servicer"), and The Bank of New York, as trustee (the "Trustee"). As described
in the prospectus relating to the Fund dated today to be filed as an amendment
to a registration statement heretofore filed with the Securities and Exchange
Commission under the Securities Act of 1933, as amended (the "Prospectus") (File
Number 333-72091), the objectives of the Fund are to provide the potential for
dividend income and capital appreciation through investment in a fixed portfolio
of actively traded equity securities of companies engaged in, providing services
to companies in, the industry identified in Trust's name, or are the type of
securities identified in the name of the Trust. It is noted that no opinion is
expressed herein with regard to the Federal tax aspects of the securities, the
Trust, units of the Trust (the "Units"), or any income, gains or losses in
respect thereof.

         As more fully set forth in the Indenture and in the Prospectus, the
activities of the Trustee will include the following:

         On the Date of Deposit, the Depositor will deposit with the Trustee
with respect to the Trust the securities and/or contracts and cash for the
purchase thereof together with an irrevocable letter of credit in the amount
required for the purchase price of the securities comprising the corpus of the
Trust as more fully set forth in the Prospectus.

         The Trustee did not participate in the selection of the securities to
be deposited in the Trust, and, upon the receipt thereof, will deliver to the
Depositor a registered certificate for the number of Units representing the
entire capital of the Trust as more fully set forth in the Prospectus. The
Units, which are represented by certificates ("Certificates"), will be offered
to the public upon the effectiveness of the registration statement.

         The duties of the Trustee, which are ministerial in nature, will
consist primarily of crediting the appropriate accounts with cash dividends
received by the Fund and with the proceeds from the disposition of securities
held in the Fund and the proceeds of the treasury obligation on maturity and the
distribution of such cash dividends and proceeds to the Unit holders. The
Trustee will also maintain records of the registered holders of Certificates
representing an interest in the Fund and administer the redemption of Units by
such Certificate holders and may perform certain administrative functions with
respect to an automatic reinvestment option.

         Generally, equity securities held in the Trust may be removed therefrom
by the Trustee at the direction of the Depositor upon the occurrence of certain
specified events which adversely affect the sound investment character of the
Fund, such as default by the issuer in payment of declared dividends or of
interest or principal on one or more of its debt obligations.

         Prior to the termination of the Fund, the Trustee is empowered to sell
equity securities designated by the Supervisory Servicer only for the purpose of
redeeming Units tendered to it and of paying expenses for which funds are not
available. The Trustee does not have the power to vary the investment of any
Unit holder in the Fund, and under no circumstances may the proceeds of sale of
any equity securities held by the Fund be used to purchase new equity securities
to be held therein.

         Article 9-A of the New York Tax Law imposes a franchise tax on business
corporations, and, for purposes of that Article, Section 208(l) defines the term
"corporation" to include, among other things, "any business conducted by a
trustee or trustees wherein interest or ownership is evidenced by certificate or
other written instrument."

         The Regulations promulgated under Section 208 provide as follows:

                  A business conducted by a trustee or trustees in which
                  interest or ownership is evidenced by certificate or other
                  written instrument includes, but is not limited to, an
                  association commonly referred to as a "business trust" or
                  "Massachusetts trust". In determining whether a trustee or
                  trustees are conducting a business, the form of the agreement
                  is of significance but is not controlling. The actual
                  activities of the trustee or trustees, not their purposes and
                  powers, will be regarded as decisive factors in determining
                  whether a trust is subject to tax under Article 9-A. The mere
                  investment of funds and the collection of income therefrom,
                  with incidental replacement of securities and reinvestment of
                  funds, does not constitute the conduct of a business in the
                  case of a business conducted by a trustee or trustees. 20
                  NYCRR 1-2.5(b)(2) (July 11, 1990).

         New York cases dealing with the question of whether a trust will be
subject to the franchise tax have also delineated the general rule that where a
trustee merely invests funds and collects and distributes the income therefrom,
the trust is not engaged in business and is not subject to the franchise tax.
Burrell v. Lynch, 274 A.D. 347, 84 N.Y.S.2d 171 (3rd Dept. 1948), order
resettled, 274 A.D. 1083, 85 N.Y.S.2d 705 (3rd Dept. 1949).

         In an Opinion of the Attorney General of the State of New York, 47 N.Y.
Att'y. Gen. Rep. 213 (Nov. 24, 1942), it was held that where the trustee of an
unincorporated investment trust was without authority to reinvest amounts
received upon the sales of securities and could dispose of securities making up
the trust only upon the happening of certain specified events or the existence
of certain specified conditions, the trust was not subject to the franchise tax.

         In the instant situation, the Trustee is not empowered to, and we
assume will not, sell equity securities contained in the corpus of the Fund and
reinvest the proceeds therefrom. Further, the power to sell such equity
securities is limited to circumstances in which the credit-worthiness or
soundness of the issuer of such equity security is in question or in which cash
is needed to pay redeeming Unit holders or to pay expenses, or where the Fund is
liquidated subsequent to the termination of the Indenture. In substance, the
Trustee will merely collect and distribute income and will not reinvest any
income or proceeds, and the Trustee has no power to vary the investment of any
Unit holder in the Fund.

         Under Subpart E of Part I, Subchapter J of Chapter 1 of the Internal
Revenue Code of 1986, as amended (the "Code"), the grantor of a trust will be
deemed to be the owner of the trust under certain circumstances, and therefore
taxable on his proportionate interest in the income thereof. Where this Federal
tax rule applies, the income attributed to the grantor will also be income to
him for New York income tax purposes. See TSB-M-78(9)(c), New York Department of
Taxation and Finance, June 23, 1978.

         By letter dated today, Messrs. Chapman and Cutler, counsel for the
Depositor, rendered their opinion that each Unit holder will be considered as
owning a share of each asset of the Trust in the proportion that the number of
Units held by such holder bears to the total number of Units outstanding and the
income of a Trust will be treated as the income of each Unit holder in said
proportion pursuant to Subpart E of Part I, Subchapter J of Chapter 1 of the
Code.

         Based on the foregoing and on the opinion of Messrs. Chapman and
Cutler, counsel for the Depositor, dated today, upon which we specifically rely,
we are of the opinion that under existing laws, rulings, and court decisions
interpreting the laws of the State and City of New York:

                    1. The Trust will not constitute an association taxable as a
         corporation under New York law, and, accordingly, will not be subject
         to tax on its income under the New York State franchise tax or the New
         York City general corporation tax.

                    2. The income of the Trust will be treated as the income of
         the Unit holders under the income tax laws of the State and City of New
         York.

                    3. Unit holders who are not residents of the State of New
         York are not subject to the income tax laws thereof with respect to any
         interest or gain derived from the Fund or any gain from the sale or
         other disposition of the Units, except to the extent that such interest
         or gain is from property employed in a business, trade, profession or
         occupation carried on in the State of New York.

         We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement relating to the Units and to the use of our name and the
reference to our firm in the Registration Statement and in the Prospectus.

                                                               Very truly yours,


                                                                WINSTON & STRAWN


                                                                     EXHIBIT 4.1

                                Interactive Data
                           14 Wall Street, 11th Floor
                               New York, NY 10005


                                 March 17, 1999


Van Kampen Funds Inc.
One Parkview Plaza
Oakbrook Terrace, IL 60181


Re:  Van Kampen Focus Portfolios
     Financial Services Trust, Series 4
     (A Unit Investment Trust) Registered Under the Securities Act of 1933,
     File No. 333-72091

Gentlemen:

         We have examined the Registration Statement for the above captioned
Fund, a copy of which is attached hereto.

         We hereby consent to the reference in the Prospectus and Registration
Statement for the above captioned Fund to Interactive Data Corporation, as the
Evaluator, and to the use of the Obligations prepared by us which are referred
to in such Prospectus and Statement.

         You are authorized to file copies of this letter with the Securities
and Exchange Commission.

                                                               Very truly yours,


                                                                     James Perry
                                                                  Vice President







                                                                     EXHIBIT 4.2

                INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS' CONSENT

         We have issued our report dated March 17, 1999 on the statement of
condition and related securities portfolio of Van Kampen Focus Portfolios,
Series 148 as of March 17, 1999 contained in the Registration Statement on Form
S-6 and Prospectus. We consent to the use of our report in the Registration
Statement and Prospectus and to the use of our name as it appears under the
caption "Other Matters-Independent Certified Public Accountants."



                                                              Grant Thornton LLP

Chicago, Illinois
March 17, 1999





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