MUNIHOLDINGS FLORIDA INSURED FUND IV
N-2/A, 1999-01-26
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<PAGE>
 
    
 As filed with the Securities and Exchange Commission on January 26, 1999     
                                               Securities Act File No. 333-68393
                                       Investment Company Act File No. 811-09129
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
 
                                --------------
                                    FORM N-2
[X]         REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
                          
[X]                    PRE-EFFECTIVE AMENDMENT NO. 2     
   
[_]                       POST-EFFECTIVE AMENDMENT NO.
                                     AND/OR
[X]     REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940
                                 
[X]                           AMENDMENT NO. 3     
   
                        (check appropriate box or boxes)
 
                                --------------
                      MuniHoldings Florida Insured Fund IV
               (Exact Name of Registrant as Specified in Charter)
 
                                --------------
                             800 Scudders Mill Road
                          Plainsboro, New Jersey 08536
                    (Address of Principal Executive Offices)
 
                                --------------
                                 (609) 282-2800
              (Registrant's Telephone Number, Including Area Code)
 
                                --------------
                                 Arthur Zeikel
                      MuniHoldings Florida Insured Fund IV
              800 Scudders Mill Road, Plainsboro, New Jersey 08536
        Mailing Address: P.O. Box 9011, Princeton, New Jersey 08543-9011
                    (Name and Address of Agent for Service)
 
                                --------------
                                   Copies to:
      Michael J. Hennewinkel, Esq.                Frank P. Bruno, Esq.
      Fund Asset Management, L.P.                   Brown & Wood LLP
             P.O. Box 9011                       One World Trade Center
    Princeton, New Jersey 08543-9011         New York, New York 10048-0557
 
                                --------------
 Approximate date of proposed public offering: As soon as practicable after the
                 effective date of this Registration Statement.
 
                                --------------
 
  If any of the securities being registered on this form are to be offered on a
delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, as amended (the "Securities Act"), other than securities offered only in
connection with dividend or interest reinvestment plans, check the following
box. [_]
 
  If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following
box and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [_]
 
  If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration number of the earlier effective registration statement for the
same offering. [_]
 
  If delivery of the prospectus is expected to be made pursuant to Rule 434
under the Securities Act, please check the following box. [_]
 
                                --------------
 
        CALCULATION OF REGISTRATION FEE UNDER THE SECURITIES ACT OF 1933
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<TABLE>   
<CAPTION>
                                                               Proposed       Proposed
                                                Amount         Maximum        Maximum      Amount of
                 Title of                       Being       Offering Price   Aggregate    Registration
       Securities Being Registered          Registered(1)      Per Unit    Offering Price    Fee(2)
- ------------------------------------------------------------------------------------------------------
<S>                                        <C>              <C>            <C>            <C>
Common Shares of Beneficial Interest ($.10
par value)..........................       9,315,000 shares     $15.00      $139,725,000    $38,844
</TABLE>    
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
   
(1) Includes 1,215,000 shares subject to the Underwriter's over-allotment
    option.     
          
(2) Transmitted to the designated lockbox at Mellon Bank in Pittsburgh, PA.
    $32,130 was previously paid. $6,714 was transmitted in connection with this
    filing.     
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
 
       
PROSPECTUS
                                
                             8,100,000 Shares     
                     MuniHoldings Florida Insured Fund IV
                                 Common Shares
 
                               ----------------
  MuniHoldings Florida Insured Fund IV (the "Fund") is a newly organized, non-
diversified, closed-end management investment company that seeks to provide
shareholders with current income exempt from Federal income tax and the
opportunity to own shares whose value is exempt from Florida intangible
personal property tax. The Fund seeks to achieve its objective by investing
primarily in a portfolio of long-term, investment grade municipal obligations
the interest on which, in the opinion of bond counsel to the issuer, is exempt
from Federal income tax and which enable shares of the Fund to be exempt from
Florida intangible personal property tax. The Fund intends to invest in
municipal obligations that are rated investment grade, or if unrated, are
considered by the Fund's investment adviser to be of comparable quality. Under
normal circumstances, at least 80% of the Fund's assets will be invested in
municipal obligations with remaining maturities of one year or more that are
covered by insurance guaranteeing the timely payment of principal at maturity
and interest.
   
  Because the Fund is newly organized, its shares have no history of public
trading. Shares of closed-end investment companies frequently trade at a
discount from their net asset value. This risk may be greater for investors
expecting to sell their shares in a relatively short period after completion
of the public offering. The Fund's common shares have been approved for
listing on the New York Stock Exchange under the symbol "MFR." Trading of the
Fund's common shares on the exchange is expected to begin within two weeks of
the date of this prospectus. Before it begins trading, the underwriter does
not intend to make a market in the Fund's shares. Thus, investors may not be
able to buy and sell shares of the Fund during that time.     
 
  Within approximately three months after completion of this offering of
common shares, the Fund intends to offer preferred shares representing
approximately 40% of the Fund's capital immediately after the issuance of such
preferred shares. There can be no assurance, however, that preferred shares
representing such percentage of the Fund's capital will actually be issued.
The use of preferred shares to leverage the common shares can create special
risks.
                               ----------------
  This prospectus contains information you should know before investing,
including information about risks. Please read it before you invest and keep
it for future reference.
 
                               ----------------
  Investing in the common shares involves certain risks, which are described
in the "Risk Factors and Special Considerations" section beginning on page 7
of this prospectus.
 
<TABLE>   
<CAPTION>
                                                          Per Share    Total
                                                          --------- ------------
       <S>                                                <C>       <C>
       Public Offering Price.............................  $15.00   $121,500,000
       Sales Load........................................  None     None
       Proceeds, before expenses, to Fund................  $15.00   $121,500,000
</TABLE>    
   
  The Fund's investment adviser or an affiliate will pay the underwriter a
commission in the amount of 2.00% of the public offering price per share in
connection with the sale of the common shares.     
   
  The underwriter may also purchase up to an additional 1,215,000 shares at
the public offering price within 45 days from the date of this prospectus to
cover over-allotments.     
 
  Neither the Securities and Exchange Commission nor any state securities
commission has approved or disapproved of these securities or determined if
this prospectus is truthful or complete. Any representation to the contrary is
a criminal offense.
   
  We expect that the common shares will be ready for delivery in New York, New
York on or about January 29, 1999.     
                               ----------------
                              Merrill Lynch & Co.
 
                               ----------------
                
             The date of this prospectus is January 26, 1999.     
<PAGE>
 
                               TABLE OF CONTENTS
<TABLE>   
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Prospectus Summary.........................................................   3
Risk Factors and Special Considerations....................................   7
Fee Table..................................................................   9
The Fund...................................................................  10
Use of Proceeds............................................................  10
Investment Objective and Policies..........................................  10
Risks and Special Considerations of Leverage...............................  21
Investment Restrictions....................................................  24
Trustees and Officers......................................................  26
Investment Advisory and Management Arrangements............................  28
Portfolio Transactions.....................................................  29
Dividends and Distributions................................................  30
Taxes......................................................................  31
Automatic Dividend Reinvestment Plan.......................................  36
Mutual Fund Investment Option..............................................  38
Net Asset Value............................................................  38
Description of Capital Shares..............................................  39
Custodian..................................................................  42
Underwriting...............................................................  42
Transfer Agent, Dividend Disbursing Agent and Registrar....................  43
Legal Opinions.............................................................  44
Experts....................................................................  44
Additional Information.....................................................  44
Report of Independent Auditors.............................................  46
Statement of Assets, Liabilities and Capital...............................  47
Appendix III--Economic and Other Conditions in Florida.....................  48
Appendix III--Ratings of Municipal Bonds...................................  52
Appendix III--Portfolio Insurance..........................................  59
Appendix IV--Taxable Equivalent Yields for 1999............................  61
</TABLE>    
 
                               ----------------
 
   Information about the Fund can be reviewed and copied at the SEC's Public
Reference Room in Washington, D.C. Call 1-800-SEC-0330 for information on the
operation of the public reference room. This information is also available on
the SEC's Internet site at http://www.sec.gov and copies may be obtained upon
payment of a duplicating fee by writing the Public Reference Section of the
SEC, Washington, D.C. 20549-6009.
 
                               ----------------
 
   You should rely only on the information contained in this prospectus. We
have not, and the underwriter has not, authorized any other person to provide
you with different information. If anyone provides you with different or
inconsistent information, you should not rely on it. We are not, and the
underwriter is not, making an offer to sell these securities in any
jurisdiction where the offer or sale is not permitted. You should assume that
the information appearing in this prospectus is accurate as of the date on the
front cover of this prospectus only. Our business, financial condition, results
of operations and prospects may have changed since that date.
 
                                       2
<PAGE>
 
                               PROSPECTUS SUMMARY
 
  This summary is qualified in its entirety by reference to the detailed
information included in this prospectus.
 
The Fund    MuniHoldings Florida Insured Fund IV (the "Fund") is a newly
            organized, non-diversified, closed-end management investment
            company.
 
The            
Offering    The Fund is offering 8,100,000 common shares at an initial offering
            price of $15.00 per share. The common shares are being offered by
            Merrill Lynch, Pierce, Fenner & Smith Incorporated, as underwriter.
            The underwriter may also purchase up to an additional 1,215,000
            common shares within 45 days of the date of this prospectus to
            cover over-allotments.     
 
Investment  The investment objective of the Fund is to provide shareholders
Objective   with current income exempt from Federal income tax and the
and         opportunity to own shares whose value is exempt from Florida
Policies    intangible personal property tax. The Fund seeks to achieve its
            objective by investing primarily in a portfolio of long-term,
            investment grade municipal obligations the interest on which, in
            the opinion of bond counsel to the issuer, is exempt from Federal
            income tax and which enable shares of the Fund to be exempt from
            Florida intangible personal property tax.
 
            Investment Grade Municipal Bonds. The Fund intends to invest in
            municipal bonds that are rated investment grade by one or more
            nationally recognized statistical rating agencies or, if unrated,
            are considered by the investment adviser to be of comparable
            quality.
 
            Florida Municipal Bonds. The Fund will generally invest
            substantially all (at least 80%) of its assets in Florida municipal
            bonds. However, when the Fund's investment adviser believes that
            investment grade Florida municipal bonds are not available in
            sufficient amounts at an appropriate price, the Fund may invest a
            lesser amount of its assets in these securities. At all times,
            except during periods when the Fund is in the process of investing
            its proceeds from a public offering or during temporary defensive
            periods, the Fund intends to invest at least 65% of its assets in
            Florida municipal bonds and at least 80% of its assets in Florida
            municipal bonds and other long-term municipal bonds. These other
            long-term municipal bonds that the Fund may buy will be exempt from
            Federal income tax but their value will not be exempt from Florida
            intangible personal property tax.
 
            The Fund will normally invest at least 80% of its assets in insured
            municipal obligations with remaining maturities of one year or
            more. Insured municipal obligations are covered by insurance that
            guarantees timely interest payments and the repayment of principal
            on maturity.
 
            In general, the Fund does not intend its investments to earn a
            large amount of income that is not exempt from Federal income tax
            or to hold substantial assets which would subject shares of the
            Fund to Florida intangible personal property tax.
 
            Indexed and Inverse Floating Rate Securities. The Fund may invest
            in securities whose potential returns are directly related to
            changes in an underlying index or interest rate, known as indexed
            securities. The return on indexed securities will rise when the
            underlying index or interest rate rises and fall when the index or
            interest rate falls. The Fund may also invest in
 
                                       3
<PAGE>
 
            securities whose return is inversely related to changes in an
            interest rate (inverse floaters). In general, income on inverse
            floaters will decrease when short term interest rates increase and
            increase when short term interest rates decrease. Investments in
            inverse floaters may subject the Fund to the risks of reduced or
            eliminated interest payments and losses of principal. In addition,
            certain indexed securities and inverse floaters may increase or
            decrease in value at a greater rate than the underlying interest
            rate, which effectively leverages the Fund's investment. As a
            result, the market value of such securities will generally be more
            volatile than that of fixed rate, tax exempt securities. Both
            indexed securities and inverse floaters are derivative securities
            and can be considered speculative.
 
            Options and Futures Transactions. The Fund may seek to hedge its
            portfolio against changes in interest rates using options and
            financial futures contracts. The Fund's hedging transactions are
            designed to reduce volatility, but come at some cost. For example,
            the Fund may try to limit its risk of loss from a decline in price
            of a portfolio security by purchasing a put option. However, the
            Fund must pay for the option, and the price of the security may not
            in fact drop. In large part, the success of the Fund's hedging
            activities depends on its ability to forecast movements in
            securities prices and interest rates. The Fund does not, however,
            intend to enter into options and futures transactions for
            speculative purposes. The Fund is not required to hedge its
            portfolio and may not do so.
 
Leverage       
            Issuance of Preferred Shares. The Fund intends to offer preferred
            shares within three months after completion of this offering. The
            preferred shares will represent approximately 40% of the Fund's
            capital, including the capital raised by issuing the preferred
            shares. There can be no assurance, however, that preferred shares
            will actually be issued. Issuing preferred shares will result in
            the leveraging of the common shares. Although the Board of Trustees
            has not yet determined the terms of the preferred shares offering,
            the Fund expects that the preferred shares will pay dividends that
            will be adjusted over either relatively short-term periods
            (generally seven to 28 days) or medium-term periods (up to five
            years). The preferred shares dividend rate will be based upon
            prevailing interest rates for debt obligations of comparable
            maturity. The money raised by the preferred shares offering will be
            invested in longer-term obligations in accordance with the Fund's
            investment objective. The expenses of the preferred shares, which
            will be borne by the Fund, will reduce the net asset value of the
            common shares. In addition, at times when the Fund is required to
            allocate taxable income to preferred shareholders, the terms of the
            preferred shares may require the Fund to make an additional
            distribution to them. The amount of this additional distribution
            approximately equals the tax liability resulting from the
            allocation (an "Additional Distribution"). During periods when the
            Fund has preferred shares outstanding, the Fund will pay fees to
            the investment adviser for its services that are higher than if the
            Fund did not issue preferred shares because the fees will be
            calculated on the basis of the Fund's average weekly net assets,
            including proceeds from the sale of preferred shares.     
 
            Potential Benefits of Leverage. Under normal market conditions,
            longer term obligations produce higher yields than short and medium
            term obligations. The Fund's investment adviser
 
                                       4
<PAGE>
 
            believes that the interest income the Fund receives from its long
            term investments will exceed the amount of interest the Fund must
            pay to the preferred shareholders. Thus, the Fund's use of
            preferred shares should provide common shareholders with a higher
            yield than they would receive if the Fund were not leveraged.
 
            Risks. The use of leverage creates certain risks for common
            shareholders, including higher volatility of both the net asset
            value and the market value of the common shares. Since any decline
            in the value of the Fund's investments will affect only the common
            shareholders, in a declining market the use of leverage will cause
            the Fund's net asset value to decrease more than it would if the
            Fund were not leveraged. This decrease in net asset value will
            likely also cause a decline in the market price for common shares.
            In addition, fluctuations in the dividend rates paid on, and the
            amount of taxable income allocable to, the preferred shares will
            affect the yield to common shareholders. There can be no assurance
            that the Fund will earn a higher net return on its investments than
            the then current dividend rate (and any Additional Distribution) it
            pays on the preferred shares. Under certain conditions, the
            benefits of leverage to common shareholders will be reduced, and
            the Fund's leveraged capital structure could result in a lower rate
            of return to common shareholders than if the Fund were not
            leveraged.
 
            Distributions. When the Fund issues preferred shares, common
            shareholders will receive all of the Fund's net income that remains
            after it pays dividends (and any Additional Distribution) on the
            preferred shares and generally will be entitled to a pro rata share
            of net realized capital gains. If the Fund is liquidated, preferred
            shareholders will be entitled to receive liquidating distributions
            before any distribution is made to common shareholders. These
            liquidating distributions are expected to equal the original
            purchase price per share of the preferred shares plus any
            accumulated and unpaid dividends and Additional Distributions.
 
            Redemption of Preferred Shares. The Fund may redeem the preferred
            shares for any reason. For example, the Fund may redeem all or part
            of the preferred shares if it believes that the Fund's leveraged
            capital structure will cause common shareholders to obtain a lower
            return than they would if the common shares were unleveraged for
            any significant amount of time.
 
            Voting Rights. Preferred shareholders, voting as a separate class,
            will be entitled to elect two of the Fund's Trustees. Common and
            preferred shareholders, voting together as a single class, will be
            entitled to elect the remaining Trustees. If the Fund fails to pay
            dividends to the preferred shareholders for two full years, the
            holders of all outstanding shares of preferred shares, voting as a
            separate class, would then be entitled to elect a majority of the
            Fund's Trustees. The preferred shareholders also will vote
            separately on certain other matters as required under the Fund's
            Declaration of Trust, the Investment Company Act of 1940, as
            amended, and Massachusetts law. Otherwise, common and preferred
            shareholders will have equal voting rights (one vote per share) and
            will vote together as a single class.
 
            Ratings. Before it offers the preferred shares, the Fund intends to
            apply to one or more nationally recognized statistical ratings
            organizations for ratings on the preferred shares. The
 
                                       5
<PAGE>
 
                Fund believes that a rating for the preferred shares will make
                it easier to market the shares, which should reduce the
                dividend rate.
    
Listing         Currently, there is no public market for the Fund's common
                shares. However, the Fund's common shares have been approved
                for listing on the New York Stock Exchange. Trading of the
                Fund's common shares is expected to begin within two weeks of
                the date of this prospectus. Before it begins trading, the
                underwriter does not intend to make a market in the Fund's
                common shares. Thus, investors may not be able to buy and sell
                shares of the Fund during that period.     
 
Investment      Fund Asset Management, L.P. is the Fund's investment adviser and
Adviser         provides investment advisory and management services to the
                Fund. For its services, the Fund pays the investment adviser a
                fee at the annual rate of 0.55% of the Fund's average weekly
                net assets, including assets acquired from the sale of
                preferred shares.
 
Dividends       The Fund intends to distribute dividends equal to substantially
and             all of its net investment income to common shareholders each 
Distributions   month. Once the Fund issues preferred shares, the monthly 
                distributions to common shareholders will consist of
                substantially all net investment income that remains after the
                Fund pays dividends (and any Additional Distribution) on the
                preferred shares. The Fund expects to begin paying dividends to
                common shareholders within approximately 90 days from the date
                of this prospectus. The Fund will distribute net capital gains,
                if any, at least annually to common shareholders and, after it
                issues the preferred shares, on a pro rata basis to common and
                preferred shareholders. When the Fund allocates capital gains
                or other taxable income to preferred shareholders, under
                certain circumstances, the terms of the preferred shares may
                require the Fund to make an Additional Distribution. The Fund
                may not declare any cash dividend or other distribution on its
                common shares unless the preferred shares have asset coverage
                of at least 200%. If the Fund issues preferred shares
                representing 40% of its total capital, the preferred shares'
                asset coverage will be approximately 250%. If the Fund's
                ability to make distributions on its common shares is limited,
                the Fund may not be able to qualify for taxation as a regulated
                investment company. This would have adverse tax consequences
                for common shareholders.
 
Automatic       Dividend and capital gains distributions generally are used to
Dividend        purchase additional common shares. However, an investor can 
Reinvestment    choose to receive distributions in cash. Since not all 
Plan            investors can participate in the automatic dividend
                reinvestment plan, you should call your broker or nominee to
                confirm that you are eligible to participate in the plan.
 
Mutual          Investors who purchase shares in this offering through the
Fund            underwriter and later sell their shares have the option, subject
Investment      to certain conditions, to purchase Class D shares of certain 
Option          Merrill Lynch funds with the proceeds from the sale.
 
                                       6
<PAGE>
 
                    RISK FACTORS AND SPECIAL CONSIDERATIONS
 
   Liquidity and Market Price of Shares. The Fund is newly organized and has no
operating history or history of public trading. Before the Fund's common shares
are listed on the New York Stock Exchange, an investment in the Fund may be
illiquid.
 
   Shares of closed-end funds that trade in a secondary market frequently trade
at a market price that is below their net asset value. This is commonly
referred to as "trading at a discount." Investors who sell their shares within
a relatively short period after completion of the public offering are more
likely to be exposed to this risk. The Fund is designed primarily for long-term
investors and should not be considered a vehicle for trading purposes.
 
   Florida Municipal Bonds. The Fund intends to invest the majority of its
portfolio in Florida municipal bonds. As a result, the Fund is more exposed to
risks affecting issuers of Florida municipal bonds than is a municipal bond
fund that invests more widely.
   
   Interest Rate and Credit Risk. The Fund invests in municipal bonds, that are
subject to interest rate and credit risk. Interest rate risk is the risk that
prices of municipal bonds generally increase when interest rates decline and
decrease when interest rates increase. Prices of longer term securities
generally change more in response to interest rate changes than prices of
shorter term securities. Credit risk is the risk that the issuer will be unable
to pay the interest or principal when due. The degree of credit risk depends on
both the financial condition of the issuer and the terms of the obligation.
    
   Non-diversification. The Fund is registered as a "non-diversified"
investment company. This means that the Fund may invest a greater percentage of
its assets in a single issuer than a diversified investment company. Even as a
non-diversified fund, the Fund must still meet the diversification requirements
of applicable Federal income tax laws. Since the Fund may invest a relatively
high percentage of its assets in a limited number of issuers, the Fund may be
more exposed to any single economic, political or regulatory occurrence than a
more widely-diversified fund.
 
   Rating Categories. The Fund intends to invest in municipal bonds that are
rated investment grade by Standard & Poor's, Moody's Investors Service, Inc.
and Fitch IBCA, Inc. It may also invest in unrated municipal bonds that the
Fund's investment adviser believes are of comparable quality. Obligations rated
in the lowest investment grade category may have certain speculative
characteristics.
 
   Private Activity Bonds. The Fund may invest in certain tax-exempt securities
classified as "private activity bonds." These bonds may subject certain
investors in the Fund to the alternative minimum tax. See "Taxes--General."
 
   Taxes. It is possible that the Fund may not be able to fully dispose of all
of its assets subject to Florida intangible personal property tax by the last
business day of the calendar year. This would subject shares of the Fund to
Florida intangible personal property tax.
   
   Portfolio Insurance and Rating Agencies. The Fund will be subject to certain
investment restrictions imposed by guidelines of the insurance companies that
issue portfolio insurance and to guidelines of one or     
 
                                       7
<PAGE>
 
more nationally recognized statistical ratings organizations that may issue
ratings for the preferred shares. These guidelines may impose asset coverage or
portfolio composition requirements that are more stringent than those imposed
by the Investment Company Act of 1940, as amended. The Fund does not expect
these requirements or guidelines to prevent the investment adviser from
managing the Fund's portfolio in accordance with the Fund's investment
objective and policies.
 
   Leverage. The Fund plans to offer preferred shares. The preferred stock will
represent approximately 40% of the Fund's capital, including capital raised by
issuing the preferred shares. Leverage creates certain risks for common
shareholders, including higher volatility of both the net asset value and the
market value of the common shares. Leverage also creates the risk that the
investment return on the Fund's common shares will be reduced to the extent the
dividends paid on preferred shares and other expenses of the preferred shares
exceed the income earned by the Fund on its investments. If the Fund is
liquidated, preferred shareholders will be entitled to receive liquidating
distributions before any distribution is made to common shareholders.
 
   Inverse Floating Obligations. The Fund's investments in "inverse floating
obligations" or "residual interest bonds" provide investment leverage because
their market value increases or decreases in response to market changes at a
greater rate than fixed rate, long term tax exempt securities. The market
values of such securities are more volatile than the market values of fixed
rate, tax exempt securities.
 
   Options and Futures Transactions. The Fund may engage in certain options and
futures transactions to reduce its exposure to interest rate movements. If the
Fund incorrectly forecasts market values, interest rates or other factors, the
Fund's performance could suffer. The Fund also may suffer a loss if the other
party to the transaction fails to meet its obligations. The Fund is not
required to use hedging and may not do so.
 
   Antitakeover Provisions. The Fund's Declaration of Trust includes provisions
that could limit the ability of other entities or persons to acquire control of
the Fund or to change the composition of its Board of Trustees. Such provisions
could limit the ability of shareholders to sell their shares at a premium over
prevailing market prices by discouraging a third party from seeking to obtain
control of the Fund.
 
                                       8
<PAGE>
 
                                   FEE TABLE
 
<TABLE>   
<S>                                                                      <C>
Shareholder Transaction Expenses:
  Maximum Sales Load (as a percentage of offering price)................ None
  Dividend Reinvestment Plan Fees....................................... None
Annual Expenses (as a percentage of net assets attributable to Common
 Stock):
  Investment Advisory Fees(a)(b)........................................ 0.92%
  Interest Payments on Borrowed Funds................................... None
  Other Expenses(a)(b).................................................. 0.37%
                                                                         ----
    Total Annual Expenses(a)(b)......................................... 1.29%
                                                                         ====
</TABLE>    
 
<TABLE>   
<CAPTION>
                                                          1     3     5    10
                                                         year years years years
  Example                                                ---- ----- ----- -----
<S>                                                      <C>  <C>   <C>   <C>
  An investor would pay the following expenses on a
  $1,000 investment, assuming (1) total annual expenses
  of 1.29% (assuming leverage of 40% of the Fund's total
  assets) and (2) a 5% annual return throughout the
  periods:.............................................. $13   $41   $71  $156
</TABLE>    
- --------
   
(a) Assumes leverage by issuing preferred shares in an amount of approximately
    40% of the Fund's capital at a dividend rate of 3.375%. The Fund intends to
    use leverage only if the Investment Adviser believes that it would result
    in higher income to shareholders over time. See "Risks and Special
    Considerations of Leverage"--page 21. If the Fund does not utilize
    leverage, it is estimated that, as a percentage of net assets attributable
    to common shares, the Investment Advisory Fees would be 0.55%, Other
    Expenses would be 0.16% and Total Annual Expenses would be 0.71%.     
(b) See "Investment Advisory and Management Arrangements"--page 28.
 
   The Fee Table is intended to assist investors in understanding the costs and
expenses that a shareholder in the Fund will bear directly or indirectly. The
expenses set forth under "Other Expenses" are based on estimated amounts
through the end of the Fund's first fiscal year on an annualized basis. The
Example set forth above assumes reinvestment of all dividends and distributions
and uses a 5% annual rate of return as mandated by the Securities and Exchange
Commission regulations. The Example should not be considered a representation
of future expenses or annual rates of return, and actual expenses or annual
rates of return may be more or less than those assumed for purposes of the
Example.
 
                                       9
<PAGE>
 
                                    THE FUND
 
   MuniHoldings Florida Insured Fund IV (the "Fund") is a newly organized, non-
diversified, closed-end management investment company. The Fund was organized
under the laws of The Commonwealth of Massachusetts on November 25, 1998, and
has registered under the 1940 Act. The Fund's principal office is located at
800 Scudders Mill Road, Plainsboro, New Jersey 08536, and its telephone number
is (609) 282-2800.
 
   The Fund has been organized as a closed-end investment company. Closed-end
investment companies differ from open-end investment companies (commonly
referred to as "mutual funds") in that closed-end investment companies do not
generally make a continuous offering of their shares or redeem their securities
at the option of the shareholder, whereas open-end companies issue securities
redeemable at net asset value at any time at the option of the shareholder and
typically engage in a continuous offering of their shares. Accordingly, open-
end investment companies are subject to continuous asset in-flows and out-flows
that can complicate portfolio management. Shares of closed-end investment
companies, however, frequently trade at a discount from their net asset value.
This risk may be greater for investors expecting to sell their shares in a
relatively short period after completion of the public offering.
 
                                USE OF PROCEEDS
   
   The net proceeds of this offering will be approximately $121,230,000 (or
approximately $139,455,000 assuming the Underwriter exercises the over-
allotment option in full) after payment of offering expenses estimated to be
approximately $270,000.     
 
   The net proceeds of the offering will be invested in accordance with the
Fund's investment objective and policies within approximately three months
after completion of the offering of common shares, depending on market
conditions and the availability of appropriate securities. Pending such
investment, it is anticipated that the proceeds will be invested in short-term,
tax-exempt securities. See "Investment Objective and Policies."
 
                       INVESTMENT OBJECTIVE AND POLICIES
   
   The Fund's investment objective is to provide shareholders with current
income exempt from Federal income tax and the opportunity to own shares whose
value is exempt from Florida intangible personal property tax. The Fund will
seek to achieve its objective by investing primarily in a portfolio of long-
term, investment grade municipal obligations issued by or on behalf of the
State of Florida, its political subdivisions, agencies and instrumentalities,
and other qualifying issuers, each of which pays interest that, in the opinion
of bond counsel to the issuer, is exempt from Federal income tax and which
enables shares of the Fund to be exempt from Florida intangible personal
property tax ("Florida Municipal Bonds"). The Fund intends to invest
substantially all (at least 80%) of its assets in Florida Municipal Bonds,
except at times when the Fund's investment adviser, Fund Asset Management, L.P.
(the "Investment Adviser"), considers that Florida Municipal Bonds of
sufficient quality and quantity are unavailable for investment at suitable
prices by the Fund. To the extent the Investment Adviser considers that
suitable Florida Municipal Bonds are not available for investment, the Fund may
purchase other long-term municipal obligations the interest on which is exempt
from Federal income taxes but the value of which is not exempt from Florida
intangible personal property taxes ("Municipal Bonds"). The Fund will maintain
at least 65% of its assets in Florida Municipal Bonds and at     
 
                                       10
<PAGE>
 
least 80% of its assets in Florida Municipal Bonds and Municipal Bonds, except
during interim periods pending investment of the net proceeds of public
offerings of the Fund's securities and during temporary defensive periods.
Under normal circumstances, at least 80% of the Fund's assets will be invested
in municipal obligations with remaining maturities of one year or more that are
covered by insurance guaranteeing the timely payment of principal at maturity
and interest. The Fund's investment objective is a fundamental policy that may
not be changed without a vote of a majority of the Fund's outstanding voting
securities, as defined below under "Investment Restrictions." There can be no
assurance that the investment objective of the Fund will be realized. At times
the Fund may seek to hedge its portfolio through the use of futures
transactions and options to reduce volatility in the net asset value of its
common shares.
 
   The Fund ordinarily does not intend to realize significant investment income
that is subject to Federal income tax or have significant assets subject to
Florida intangible personal property tax. The Fund may invest all or a portion
of its assets in certain tax-exempt securities classified as "private activity
bonds" (in general, bonds that benefit non-governmental entities) that may
subject certain investors in the Fund to an alternative minimum tax.
 
   The Fund also may invest in securities not issued by or on behalf of a state
or territory or by an agency or instrumentality thereof, if the Fund
nevertheless believes such securities pay interest or distributions that are
exempt from Federal income taxation ("Non-Municipal Tax-Exempt Securities").
Non-Municipal Tax-Exempt Securities may include securities issued by other
investment companies that invest in Florida Municipal Bonds and Municipal
Bonds, to the extent such investments are permitted by the Investment Company
Act of 1940, as amended (the "1940 Act"). Other Non-Municipal Tax-Exempt
Securities could include trust certificates or other instruments evidencing
interests in one or more long-term Florida Municipal Bonds or Municipal Bonds.
Certain Non-Municipal Tax-Exempt Securities may be characterized as derivative
instruments. Non-Municipal Tax-Exempt Securities are considered "Florida
Municipal Bonds" or "Municipal Bonds" for purposes of the Fund's investment
objective and policies.
 
   Investment in common shares of the Fund offers several potential benefits.
The Fund offers investors the opportunity to receive income exempt from Federal
income tax and to hold Fund shares exempt from Florida intangible personal
property tax by investing in a professionally managed portfolio comprised
primarily of investment grade insured Florida Municipal Bonds. Investment in
the Fund also relieves the investor of the burdensome administrative details
involved in managing a portfolio of Florida Municipal Bonds. Additionally, the
Investment Adviser will seek to enhance the yield on the common shares by
leveraging the Fund's capital structure through the issuance of preferred
shares. The benefits are at least partially offset by the expenses involved in
operating an investment company. Such expenses primarily consist of the
advisory fee and operational costs. Additionally, the use of leverage involves
certain expenses and special risk considerations. See "Risks and Special
Considerations of Leverage."
 
   The investment grade Florida Municipal Bonds and Municipal Bonds in which
the Fund will primarily invest are those Florida Municipal Bonds and Municipal
Bonds rated at the date of purchase in the four highest rating categories of
Standard & Poor's ("S&P"), Moody's Investors Services, Inc. ("Moody's") or
Fitch IBCA, Inc. ("Fitch"), or, if unrated, are considered to be of comparable
quality by the Investment Adviser. In the case of long-term debt, the
investment grade rating categories are AAA through BBB for S&P, Aaa through Baa
for Moody's and AAA through BBB for Fitch. In the case of short-term notes, the
investment grade rating categories are SP-1+ through SP-3 for S&P, MIG-1
through MIG-3 for Moody's and F-1+ through F-3 for Fitch. In the case of tax-
exempt commercial paper, the investment grade rating categories are A-1+
through
 
                                       11
<PAGE>
 
A-3 for S&P, Prime-1 through Prime-3 for Moody's and F-1+ through F-3 for
Fitch. Obligations ranked in the lowest investment grade rating category (BBB,
SP-3 and A-3 for S&P; Baa, MIG-3 and Prime-3 for Moody's; and BBB and F-3 for
Fitch), while considered "investment grade," may have certain speculative
characteristics. There may be sub-categories or gradations indicating relative
standing within the rating categories set forth above. See Appendix II to this
Prospectus for a description of S&P's, Moody's and Fitch's ratings of Municipal
Bonds. In assessing the quality of Florida Municipal Bonds and Municipal Bonds
with respect to the foregoing requirements, the Investment Adviser will take
into account the portfolio insurance as well as the nature of any letters of
credit or similar credit enhancements to which particular Florida Municipal
Bonds and Municipal Bonds are entitled and the creditworthiness of the
insurance company or financial institution that provided such insurance or
credit enhancement. Consequently, if Florida Municipal Bonds or Municipal Bonds
are covered by insurance policies issued by insurers whose claims-paying
ability is rated AAA by S&P or Fitch or Aaa by Moody's, the Investment Adviser
may consider such municipal obligations to be equivalent to AAA- or Aaa- rated
securities, as the case may be, even though such Florida Municipal Bonds or
Municipal Bonds would generally be assigned a lower rating if the rating were
based primarily upon the credit characteristics of the issuers without regard
to the insurance feature. The insured Florida Municipal Bonds and Municipal
Bonds must also comply with the standards applied by the insurance carriers in
determining eligibility for portfolio insurance.
   
   The Fund's investments may also include variable rate demand obligations
("VRDOs") and VRDOs in the form of participation interests ("Participating
VRDOs") in variable rate tax-exempt obligations held by a financial
institution, typically a commercial bank. The VRDOs in which the Fund will
invest are tax-exempt obligations, in the opinion of counsel to the issuer,
that contain a floating or variable interest rate adjustment formula and an
unconditional right of demand on the part of the holder thereof to receive
payment of the unpaid principal balance plus accrued interest on a short notice
period not to exceed seven days. Participating VRDOs provide the Fund with a
specified undivided interest (up to 100%) in the underlying obligation and the
right to demand payment of the unpaid principal balance plus accrued interest
on the Participating VRDOs from the financial institution on a specified number
of days' notice, not to exceed seven days. There is, however, the possibility
that because of default or insolvency, the demand feature of VRDOs or
Participating VRDOs may not be honored. The Fund has been advised by its
counsel that the Fund should be entitled to treat the income received on
Participating VRDOs as interest from tax-exempt obligations for Federal income
tax purposes.     
 
   The average maturity of the Fund's portfolio securities will vary based upon
the Investment Adviser's assessment of economic and market conditions. The net
asset value of the common shares of a closed-end investment company, such as
the Fund, which invests primarily in fixed-income securities, changes as the
general levels of interest rates fluctuate. When interest rates decline, the
value of a fixed-income portfolio can be expected to rise. Conversely, when
interest rates rise, the value of a fixed-income portfolio can be expected to
decline. Prices of longer-term securities generally fluctuate more in response
to interest rate changes than do short-term or medium-term securities. These
changes in net asset value are likely to be greater in the case of a fund
having a leveraged capital structure, as proposed for the Fund. See "Risks and
Special Considerations of Leverage."
 
   The Fund intends to invest primarily in long-term Florida Municipal Bonds
and Municipal Bonds with a maturity of more than ten years. Also, the Fund may
invest in intermediate-term Florida Municipal Bonds and Municipal Bonds with a
maturity of between three years and ten years. The Fund may invest in short-
term, tax-exempt securities, short-term U.S. Government securities, repurchase
agreements or cash. Such short-term
 
                                       12
<PAGE>
 
securities or cash will not exceed 20% of its total assets except during
interim periods pending investment of the net proceeds of public offerings of
the Fund's securities or in anticipation of the repurchase or redemption of the
Fund's securities and temporary periods when, in the opinion of the Investment
Adviser, prevailing market or economic conditions warrant. The Fund does not
ordinarily intend to realize significant interest income that is subject to
Federal income tax or to hold assets which would subject Fund shares to Florida
intangible personal property taxes.
 
   The Fund is classified as non-diversified within the meaning of the 1940
Act, which means that the Fund is not limited by the 1940 Act in the proportion
of its assets that it may invest in securities of a single issuer. However, the
Fund's investments will be limited so as to qualify the Fund for special tax
treatment afforded regulated investment companies under the Federal tax laws.
See "Taxes." To qualify, among other requirements, the Fund will limit its
investments so that, at the close of each quarter of the taxable year, (i) not
more than 25% of the market value of the Fund's total assets will be invested
in the securities (other than U.S. Government securities) of a single issuer,
and (ii) with respect to 50% of the market value of its total assets, not more
than 5% of the market value of its total assets will be invested in the
securities (other than U.S. Government securities) of a single issuer. A fund
that elects to be classified as "diversified" under the 1940 Act must satisfy
the foregoing 5% requirement with respect to 75% of its total assets. To the
extent that the Fund assumes large positions in the securities of a small
number of issuers, the Fund's yield may fluctuate to a greater extent than that
of a diversified company as a result of changes in the financial condition or
in the market's assessment of the issuers.
 
Portfolio Insurance
 
   Under normal circumstances, at least 80% of the Fund's assets will be
invested in Florida Municipal Bonds and Municipal Bonds either (i) insured
under an insurance policy purchased by the Fund or (ii) insured under an
insurance policy obtained by the issuer thereof or any other party. The Fund
will seek to limit its investments to municipal bonds insured under insurance
policies issued by insurance carriers that have total admitted assets
(unaudited) of at least $75,000,000 and capital and surplus (unaudited) of at
least $50,000,000 and insurance claims-paying ability ratings of AAA from S&P
or Fitch or Aaa from Moody's. There can be no assurance that insurance from
insurance carriers meeting these criteria will be at all times available. See
Appendix III to this Prospectus for a brief description of S&P's, Fitch's and
Moody's insurance claims-paying ability ratings. Currently, it is anticipated
that a majority of the insured Florida Municipal Bonds and Municipal Bonds in
the Fund's portfolio will be insured by the following insurance companies that
satisfy the foregoing criteria: AMBAC Indemnity Corporation, Financial Guaranty
Insurance Company, Financial Security Assurance and Municipal Bond Investors
Assurance Corporation. The Fund also may purchase Florida Municipal Bonds and
Municipal Bonds covered by insurance issued by any other insurance company that
satisfies the foregoing criteria. It is anticipated that initially a majority
of insured Florida Municipal Bonds and Municipal Bonds held by the Fund will be
insured under policies obtained by parties other than the Fund.
 
   The Fund may purchase, but has no obligation to purchase, separate insurance
policies (the "Policies") from insurance companies meeting the criteria set
forth above that guarantee the payment of principal and interest on specified
eligible Florida Municipal Bonds and Municipal Bonds purchased by the Fund. A
Florida Municipal Bond and a Municipal Bond will be eligible for coverage if it
meets certain requirements of the insurance company set forth in a Policy. In
the event interest or principal on an insured Florida Municipal Bond and
Municipal Bond is not paid when due, the insurer will be obligated under its
Policy to make such payment not later than 30 days after it has been notified
by, and provided with documentation from, the Fund that such nonpayment has
occurred.
 
                                       13
<PAGE>
 
   The Policies will be effective only as to insured Florida Municipal Bonds
and Municipal Bonds beneficially owned by the Fund. In the event of a sale of
any Florida Municipal Bonds and Municipal Bonds held by the Fund, the issuer of
the relevant Policy will be liable only for those payments of interest and
principal that are then due and owing. The Policies will not guarantee the
market value of the insured Florida Municipal Bonds and Municipal Bonds or the
value of the shares of the Fund.
 
   The insurer will not have the right to withdraw coverage on securities
insured by their Policies and held by the Fund so long as such securities
remain in the Fund's portfolio. In addition, the insurer may not cancel its
Policies for any reason except failure to pay premiums when due. The Board of
Trustees of the Fund will reserve the right to terminate any of the Policies if
it determines that the benefits to the Fund of having its portfolio insured
under such policy are not justified by the expense involved.
 
   The premiums for the Policies are paid by the Fund and the yield on the
Fund's portfolio is reduced thereby. The Investment Adviser estimates that the
cost of the annual premiums for the Policies currently ranges from
approximately .02 of 1% to .15 of 1% of the principal amount of the Florida
Municipal Bonds and Municipal Bonds covered by such Policies. The estimate is
based on the expected composition of the Fund's portfolio of Florida Municipal
Bonds and Municipal Bonds. Additional information regarding the Policies is set
forth in Appendix III to this Prospectus. In instances in which the Fund
purchases Florida Municipal Bonds and Municipal Bonds insured under policies
obtained by parties other than the Fund, the Fund does not pay the premiums for
such policies; rather, the cost of such policies may be reflected in the
purchase price of the Florida Municipal Bonds and Municipal Bonds.
 
   It is the intention of the Investment Adviser to retain any insured
securities that are in default or in significant risk of default and to place a
value on the insurance, which ordinarily will be the difference between the
market value of the defaulted security and the market value of similar
securities that are not in default. In certain circumstances, however, the
Investment Adviser may determine that an alternate value for the insurance,
such as the difference between the market value of the defaulted security and
its par value, is more appropriate. The Investment Adviser's ability to manage
the portfolio may be limited to the extent the Fund holds defaulted securities,
which may limit its ability in certain circumstances to purchase other Florida
Municipal Bonds and Municipal Bonds. See "Net Asset Value" below for a more
complete description of the Fund's method of valuing defaulted securities and
securities that have a significant risk of default.
 
   There can be no assurance that insurance with the terms and issued by
insurance carriers meeting the criteria described above will continue to be
available to the Fund. In the event the Board of Trustees determines that such
insurance is unavailable or that the cost of such insurance outweighs the
benefits to the Fund, the Fund may modify the criteria for insurance carriers
or the terms of the insurance, or discontinue its policy of maintaining
insurance for all or any of the Florida Municipal Bonds and Municipal Bonds
held in the Fund's portfolio. Although the Investment Adviser periodically
reviews the financial condition of each insurer, there can be no assurance that
the insurers will be able to honor their obligations under all circumstances.
 
   The portfolio insurance reduces financial or credit risk (i.e., the
possibility that the owners of the insured Florida Municipal Bonds or Municipal
Bonds will not receive timely scheduled payments of principal or interest).
However, the insured Florida Municipal Bonds or Municipal Bonds are subject to
market risk (i.e., fluctuations in market value as a result of changes in
prevailing interest rates).
 
                                       14
<PAGE>
 
Description of Florida Municipal Bonds and Municipal Bonds
 
   Florida Municipal Bonds and Municipal Bonds include debt obligations issued
to obtain funds for various public purposes, including construction of a wide
range of public facilities, refunding of outstanding obligations and obtaining
funds for general operating expenses and loans to other public institutions and
facilities. In addition, certain types of industrial development bonds are
issued by or on behalf of public authorities to finance various privately
operated facilities, including certain local facilities for water supply, gas,
electricity, sewage or solid waste disposal. For purposes of this prospectus,
such obligations are Municipal Bonds if the interest paid thereon is exempt
from Federal income tax and are Florida Municipal Bonds if the interest thereon
is exempt from Federal income tax and the obligation is exempt from Florida
intangible personal property tax, even though such bonds may be industrial
development bonds ("IDBs") or "private activity bonds" as discussed below.
Also, for purposes of this prospectus, Non-Municipal Tax-Exempt securities as
discussed above will be considered Florida Municipal Bonds or Municipal Bonds.
   
   The two principal classifications of Florida Municipal Bonds and Municipal
Bonds are "general obligation" bonds and "revenue" bonds, which latter category
includes IDBs and, for bonds issued after August 15, 1986, private activity
bonds. General obligation bonds are typically secured by the issuer's pledge of
faith, credit and taxing power for the repayment of principal and the payment
of interest. Revenue or special obligation bonds are typically payable only
from the revenues derived from a particular facility or class of facilities or,
in some cases, from the proceeds of a special excise tax or other specific
revenue source such as from the user of the facility being financed. IDBs are
in most cases revenue bonds and do not generally constitute the pledge of the
credit or taxing power of the issuer of such bonds. The repayment of principal
and the payment of interest on such industrial development bonds depends solely
on the ability of the user of the facility financed by the bonds to meet its
financial obligations and the pledge, if any, of real and personal property so
financed as security for such payment. Florida Municipal Bonds and Municipal
Bonds may also include "moral obligation" bonds, which are normally issued by
special purpose public authorities. If an issuer of moral obligation bonds is
unable to meet its obligations, the repayment of such bonds becomes a moral
commitment but not a legal obligation of the state or municipality in question.
       
   The Fund may purchase Florida Municipal Bonds and Municipal Bonds classified
as "private activity bonds" (in general, bonds that benefit non-governmental
entities). Interest received on certain tax-exempt securities that are
classified as "private activity bonds" may subject certain investors in the
Fund to an alternative minimum tax. There is no limitation on the percentage of
the Fund's assets that may be invested in Florida Municipal Bonds and Municipal
Bonds that may subject certain investors to an alternative minimum tax. See
"Taxes--General." Also included within the general category of Florida
Municipal Bonds and/or Municipal Bonds are participation certificates issued by
government authorities or entities to finance the acquisition or construction
of equipment, land and/or facilities. The certificates represent participations
in a lease, an installment purchase contract or a conditional sales contract
(hereinafter collectively referred to as "lease obligations") relating to such
equipment, land or facilities. Although lease obligations typically do not
constitute general obligations of the issuer for which the issuer's unlimited
taxing power is pledged, a lease obligation frequently is backed by the
issuer's covenant to budget for, appropriate and make the payments due under
the lease obligation. However, certain lease obligations contain "non-
appropriation" clauses, which provide that the issuer has no obligation to make
lease or installment purchase payments in future years unless money is
appropriated for such purpose on a yearly basis. Although "non-appropriation"
lease obligations are secured by the lease property, disposition of the
property in the event of foreclosure might prove difficult. These securities
represent a relatively new type of financing that has not yet developed the
depth of marketability associated with more conventional securities.     
 
                                       15
<PAGE>
 
   Federal tax legislation has limited the types and volume of bonds the
interest on which qualifies for a Federal income tax exemption. As a result,
this legislation and legislation that may be enacted in the future may affect
the availability of Florida Municipal Bonds and Municipal Bonds for investment
by the Fund.
 
Special Considerations Relating to Florida Municipal Bonds
   
   The Fund ordinarily will invest at least 80% of its total assets in Florida
Municipal Bonds, and therefore it is more susceptible to factors adversely
affecting issuers of Florida Municipal Bonds than is a municipal bond mutual
fund that is not concentrated in issuers of Florida Municipal Bonds to this
degree. Many different social, environmental and economic factors may affect
the financial condition of Florida and its political subdivisions. From time to
time Florida and its political subdivisions have encountered financial
difficulties. Florida is highly dependent upon sales and uses taxes, which
account for the majority of its General Fund revenues. The Florida Constitution
does not permit a state or local personal income tax. The structure of personal
income in Florida is also different from the rest of the nation in that the
State has a proportionally greater retirement age population that is dependent
upon transfer payments (social security, pension benefits, etc.). Such transfer
payments can be affected by Federal legislation. Florida's economic growth is
also highly dependent upon other factors such as changes in population growth,
tourism, interest rates and hurricane activity. In combination, the two
amendments to the Florida Constitution may limit the State's ability to raise
revenues and may have an adverse effect on the finances of Florida and its
political subdivisions. The Investment Adviser does not believe that the
current economic conditions in Florida will have a significant adverse effect
on the Fund's ability to invest in investment grade Florida Municipal Bonds. As
of December 2, 1998, the State had a high bond rating from Moody's (Aa2),
S&P (AA+) and Fitch IBCA, Inc. (AA) on all of its general obligation bonds. For
a discussion of economic and other conditions in the State of Florida, see
Appendix I, "Economic and Other Conditions in Florida."     
 
Other Investment Policies
 
   The Fund has adopted certain other policies as set forth below:
 
   Borrowings. The Fund is authorized to borrow money in amounts of up to 5% of
the value of its total assets at the time of such borrowings; provided,
however, that the Fund is authorized to borrow moneys in amounts of up to 33
1/3% of the value of its total assets at the time of such borrowings to finance
the repurchase of its own common shares pursuant to tender offers or otherwise
to redeem or repurchase preferred shares or for temporary, extraordinary or
emergency purposes. Borrowings by the Fund (commonly known, as with the
issuance of preferred shares, as "leveraging") create an opportunity for
greater total return since the Fund will not be required to sell portfolio
securities to repurchase or redeem shares but, at the same time, increase
exposure to capital risk. In addition, borrowed funds are subject to interest
costs that may offset or exceed the return earned on the borrowed funds.
 
   When-Issued Securities and Delayed Delivery Transactions. The Fund may
purchase or sell Florida Municipal Bonds and Municipal Bonds on a delayed
delivery basis or on a when-issued basis at fixed purchase or sale terms. These
transactions arise when securities are purchased or sold by the Fund with
payment and delivery taking place in the future. The purchase will be recorded
on the date the Fund enters into the commitment, and the value of the
obligation will thereafter be reflected in the calculation of the Fund's net
asset value. The value of the obligation on the delivery day may be more or
less than its purchase price. A
 
                                       16
<PAGE>
 
separate account of the Fund will be established with its custodian consisting
of cash, cash equivalents or liquid securities having a market value at all
times at least equal to the amount of the commitment.
 
   Indexed and Inverse Floating Obligations. The Fund may invest in Florida
Municipal Bonds and Municipal Bonds yielding a return based on a particular
index of value or interest rates. For example, the Fund may invest in Florida
Municipal Bonds and Municipal Bonds that pay interest based on an index of
Municipal Bond interest rates. The principal amount payable upon maturity of
certain Florida Municipal Bonds and Municipal Bonds also may be based on the
value of an index. To the extent the Fund invests in these types of Municipal
Bonds, the Fund's return on such Florida Municipal Bonds and Municipal Bonds
will be subject to risk with respect to the value of the particular index.
Also, the Fund may invest in so-called "inverse floating obligations" or
"residual interest bonds" on which the interest rates typically vary inversely
with a short-term floating rate (which may be reset periodically by a dutch
auction, a remarketing agent, or by reference to a short-term tax-exempt
interest rate index). The Fund may purchase synthetically-created inverse
floating rate bonds evidenced by custodial or trust receipts. Generally, income
on inverse floating rate bonds will decrease when short-term interest rates
increase, and will increase when short-term interest rates decrease. Such
securities have the effect of providing a degree of investment leverage, since
they may increase or decrease in value in response to changes in market
interest rates at a rate that is a multiple (typically two) of the rate at
which fixed-rate, long-term, tax-exempt securities increase or decrease in
response to such changes. As a result, the market values of such securities
generally will be more volatile than the market values of fixed-rate tax-exempt
securities. To seek to limit the volatility of these securities, the Fund may
purchase inverse floating obligations with shorter-term maturities or
limitations on the extent to which the interest rate may vary. The Investment
Adviser believes that indexed and inverse floating obligations represent a
flexible portfolio management instrument for the Fund that allows the
Investment Adviser to vary the degree of investment leverage relatively
efficiently under different market conditions.
 
   Call Rights. The Fund may purchase a Florida Municipal Bond or Municipal
Bond issuer's right to call all or a portion of such Florida Municipal Bond or
Municipal Bond for mandatory tender for purchase (a "Call Right"). A holder of
a Call Right may exercise such right to require a mandatory tender for the
purchase of related Florida Municipal Bonds or Municipal Bonds, subject to
certain conditions. A Call Right that is not exercised prior to the maturity of
the related Florida Municipal Bond or Municipal Bond will expire without value.
The economic effect of holding both the Call Right and the related Florida
Municipal Bond or Municipal Bond is identical to holding a Florida Municipal
Bond or Municipal Bond as a non-callable security.
 
   Repurchase Agreements. The Fund may invest in securities pursuant to
repurchase agreements. Repurchase agreements may be entered into only with a
member bank of the Federal Reserve System or a primary dealer in U.S.
Government securities or an affiliate thereof. Under such agreements, the
seller agrees, upon entering into the contract, to repurchase the security at a
mutually agreed-upon time and price, thereby determining the yield during the
term of the agreement. The Fund may not invest in repurchase agreements
maturing in more than seven days if such investments, together with all other
illiquid investments, would exceed 15% of the Fund's net assets. In the event
of default by the seller under a repurchase agreement, the Fund may suffer time
delays and incur costs or possible losses in connection with the disposition of
the underlying securities.
 
   In general, for Federal income tax purposes, repurchase agreements are
treated as collateralized loans secured by the securities "sold." Therefore,
amounts earned under such agreements will not be considered tax-exempt
interest.
 
                                       17
<PAGE>
 
Options and Futures Transactions
 
   The Fund may hedge all or a portion of its portfolio investments against
fluctuations in interest rates through the use of options and certain financial
futures contracts ("financial futures contracts") and options thereon. While
the Fund's use of hedging strategies is intended to reduce the volatility of
the net asset value of the common shares, the net asset value of the common
shares will fluctuate. There can be no assurance that the Fund's hedging
transactions will be effective. In addition, because of the anticipated
leveraged nature of the common shares, hedging transactions will result in a
larger impact on the net asset value of the common shares than would be the
case if the common shares were not leveraged. Furthermore, the Fund may only
engage in hedging activities from time to time and may not necessarily be
engaging in hedging activities when movements in interest rates occur. The Fund
has no obligation to enter into hedging transactions and may not do so.
 
   Certain Federal income tax requirements may limit the Fund's ability to
engage in hedging transactions. Gains from transactions in options and futures
contracts distributed to shareholders will be taxable as ordinary income or, in
certain circumstances, as long-term capital gains to shareholders. See "Taxes--
Tax Treatment of Options and Futures Transactions." In addition, in order to
obtain ratings of the preferred shares from one or more nationally recognized
statistical ratings organizations ("NRSROs"), the Fund may be required to limit
its use of hedging techniques in accordance with the specified guidelines of
such organizations.
 
   The following is a description of the options and futures transactions in
which the Fund may engage, limitations on the Fund's use of such transactions
and risks associated with these transactions. The investment policies with
respect to the hedging transactions of the Fund are not fundamental policies
and may be modified by the Board of Trustees of the Fund without the approval
of the Fund's shareholders.
 
   Writing Covered Call Options. The Fund may write (i.e., sell) covered call
options with respect to Florida Municipal Bonds and Municipal Bonds it owns,
thereby giving the holder of the option the right to buy the underlying
security covered by the option from the Fund at the stated exercise price until
the option expires. The Fund writes only covered call options, which means that
so long as the Fund is obligated as the writer of a call option, it will own
the underlying securities subject to the option. The Fund may not write covered
call options on underlying securities in an amount exceeding 15% of the market
value of its total assets.
 
   The Fund will receive a premium from writing a call option, which increases
the Fund's return on the underlying security in the event the option expires
unexercised or is closed out at a profit. By writing a call, the Fund limits
its opportunity to profit from an increase in the market value of the
underlying security above the exercise price of the option for as long as the
Fund's obligation as a writer continues. Covered call options may serve as a
partial hedge against a decline in the price of the underlying security. The
Fund may engage in closing transactions in order to terminate outstanding
options that it has written.
 
   Purchase of Options. The Fund may purchase put options in connection with
its hedging activities. By buying a put the Fund has a right to sell the
underlying security at the exercise price, thus limiting the Fund's risk of
loss through a decline in the market value of the security until the put
expires. The amount of any appreciation in the value of the underlying security
will be partially offset by the amount of the premium paid for the put option
and any related transaction costs. Prior to its expiration, a put option may be
sold in a closing sale transaction; profit or loss from the sale will depend on
whether the amount received is more or less than the premium paid for the put
option plus the related transaction costs. A closing sale transaction cancels
out the
 
                                       18
<PAGE>
 
Fund's position as the purchaser of an option by means of an offsetting sale of
an identical option prior to the expiration of the option it has purchased. In
certain circumstances, the Fund may purchase call options on securities held in
its portfolio on which it has written call options or on securities that it
intends to purchase. The Fund will not purchase options on securities if, as a
result of such purchase, the aggregate cost of all outstanding options on
securities held by the Fund would exceed 5% of the market value of the Fund's
total assets.
 
   Financial Futures Contracts and Options. The Fund is authorized to purchase
and sell certain financial futures contracts and options thereon solely for the
purpose of hedging its investments in Florida Municipal Bonds and Municipal
Bonds against declines in value and to hedge against increases in the cost of
securities it intends to purchase. A financial futures contract obligates the
seller of a contract to deliver and the purchaser of a contract to take
delivery of the type of financial instrument covered by the contract or, in the
case of index-based futures contracts, to make and accept a cash settlement, at
a specific future time for a specified price. A sale of financial futures
contracts may provide a hedge against a decline in the value of portfolio
securities because such depreciation may be offset, in whole or in part, by an
increase in the value of the position in the financial futures contracts. A
purchase of financial futures contracts may provide a hedge against an increase
in the cost of securities intended to be purchased because such appreciation
may be offset, in whole or in part, by an increase in the value of the position
in the futures contracts.
 
   The purchase or sale of a futures contract differs from the purchase or sale
of a security in that no price or premium is paid or received. Instead, an
amount of cash or securities acceptable to the broker equal to approximately 5%
of the contract amount must be deposited with the broker. This amount is known
as initial margin. Subsequent payments to and from the broker, called variation
margin, are made on a daily basis as the price of the financial futures
contract fluctuates making the long and short positions in the financial
futures contract more or less valuable.
 
   The Fund may purchase and sell financial futures contracts based on The Bond
Buyer Municipal Bond Index, a price-weighted measure of the market value of 40
large tax-exempt issues, and purchase and sell put and call options on such
financial futures contracts for the purpose of hedging Florida Municipal Bonds
and Municipal Bonds that the Fund holds or anticipates purchasing against
adverse changes in interest rates. The Fund also may purchase and sell
financial futures contracts on U.S. Government securities and purchase and sell
put and call options on such financial futures contracts for such hedging
purposes. With respect to U.S. Government securities, currently there are
financial futures contracts based on long-term U.S. Treasury bonds, U.S.
Treasury notes, GNMA Certificates and three-month U.S. Treasury bills.
 
   Subject to policies adopted by the Board of Trustees, the Fund also may
engage in transactions in other financial futures contracts, such as financial
futures contracts on other municipal bond indices that may become available, if
the Investment Adviser should determine that there is normally sufficient
correlation between the prices of such financial futures contracts and the
Florida Municipal Bonds and Municipal Bonds in which the Fund invests to make
such hedging appropriate.
 
   Over-The-Counter Options. The Fund may engage in options and futures
transactions on exchanges and in the over-the-counter markets ("OTC options").
In general, exchange-traded contracts are third-party contracts (i.e.,
performance of the parties' obligations is guaranteed by an exchange or
clearing corporation) with standardized strike prices and expiration dates. OTC
options transactions are two-party contracts with prices and terms negotiated
by the buyer and seller. See "Restrictions on OTC Options" below for
information as to restrictions on the use of OTC options.
 
                                       19
<PAGE>
 
   Restrictions on OTC Options. The Fund will engage in transactions in OTC
options only with banks or dealers that have capital of at least $50 million or
whose obligations are guaranteed by an entity having capital of at least $50
million. Certain OTC options and assets used to cover OTC options written by
the Fund may be considered to be illiquid. The illiquidity of such options or
assets may prevent a successful sale of such options or assets, result in a
delay of sale, or reduce the amount of proceeds that might otherwise be
realized.
 
   Risk Factors in Options and Futures Transactions. Utilization of futures
transactions involves the risk of imperfect correlation in movements in the
price of financial futures contracts and movements in the price of the security
that is the subject of the hedge. If the price of the financial futures
contract moves more or less than the price of the security that is the subject
of the hedge, the Fund will experience a gain or loss that will not be
completely offset by movements in the price of such security. There is a risk
of imperfect correlation where the securities underlying financial futures
contracts have different maturities, ratings, geographic compositions or other
characteristics than the security being hedged. In addition, the correlation
may be affected by additions to or deletions from the index that serves as a
basis for a financial futures contract. Finally, in the case of financial
futures contracts on U.S. Government securities and options on such financial
futures contracts, the anticipated correlation of price movements between the
U.S. Government securities underlying the futures or options and Florida
Municipal Bonds and Municipal Bonds may be adversely affected by economic,
political, legislative or other developments that have a disparate impact on
the respective markets for such securities.
 
   Under regulations of the Commodity Futures Trading Commission ("CFTC"), the
futures trading activities described herein will not result in the Fund being
deemed a "commodity pool," as defined under such regulations, provided that the
Fund adheres to certain restrictions. In particular, the Fund may purchase and
sell financial futures contracts and options thereon (i) for bona fide hedging
purposes, without regard to the percentage of the Fund's assets committed to
margin and option premiums, and (ii) for non-hedging purposes if, immediately
thereafter, the sum of the amount of initial margin deposits on the Fund's
existing futures positions and option premiums entered into for non-hedging
purposes does not exceed 5% of the market value of the liquidation value of the
Fund's portfolio, after taking into account unrealized profits and unrealized
losses on any such transactions. Margin deposits may consist of cash or
securities acceptable to the broker and the relevant contract market.
 
   When the Fund purchases a financial futures contract, or writes a put option
or purchases a call option thereon, it will maintain an amount of cash, cash
equivalents (e.g., commercial paper and daily tender adjustable notes) or
liquid securities in a segregated account with the Fund's custodian so that the
amount so segregated plus the amount of initial and variation margin held in
the account of its broker equals the market value of the financial futures
contract, thereby ensuring that the use of such financial futures contract is
unleveraged.
 
   Certain risks are involved in options and futures transactions. The
Investment Adviser believes, however, that, because the Fund will engage in
options and futures transactions only for hedging purposes, the Fund's options
and futures portfolio strategies will not subject the Fund to those risks
associated with speculation in options and futures transactions.
 
   The volume of trading in the exchange markets with respect to Florida
Municipal Bond or Municipal Bond options may be limited, and it is impossible
to predict the amount of trading interest that may exist in such options. In
addition, there can be no assurance that viable exchange markets will continue
to be available.
 
                                       20
<PAGE>
 
   The Fund intends to enter into options and futures transactions, on an
exchange or in the over-the-counter market, only if there appears to be a
liquid secondary market for such options or futures. There can be no assurance,
however, that a liquid secondary market will exist at any specific time. Thus,
it may not be possible to close an options or futures transaction. The
inability to close options and futures positions also could have an adverse
impact on the Fund's ability to effectively hedge its portfolio. There is also
the risk of loss by the Fund of margin deposits or collateral in the event of
bankruptcy of a broker with which the Fund has an open position in an option or
financial futures contract.
 
   The liquidity of a secondary market in a financial futures contract may be
adversely affected by "daily price fluctuation limits" established by commodity
exchanges that limit the amount of fluctuation in a financial futures contract
price during a single trading day. Once the daily limit has been reached in the
contract, no trades may be entered into at a price beyond the limit, thus
preventing the liquidation of open futures positions. Prices have in the past
moved beyond the daily limit on a number of consecutive trading days.
 
   If it is not possible to close a financial futures position entered into by
the Fund, the Fund would continue to be required to make daily cash payments of
variation margin in the event of adverse price movements. In such a situation,
if the Fund has insufficient cash, it may have to sell portfolio securities to
meet daily variation margin requirements at a time when it may be
disadvantageous to do so.
 
   The successful use of these transactions also depends on the ability of the
Investment Adviser to forecast correctly the direction and extent of interest
rate movements within a given time frame. To the extent these rates remain
stable during the period in which a financial futures contract is held by the
Fund or move in a direction opposite to that anticipated, the Fund may realize
a loss on the hedging transaction that is not fully or partially offset by an
increase in the value of portfolio securities. As a result, the Fund's total
return for such period may be less than if it had not engaged in the hedging
transaction. Furthermore, the Fund will only engage in hedging transactions
from time to time and may not necessarily be engaged in hedging transactions
when movements in interest rates occur.
 
                  RISKS AND SPECIAL CONSIDERATIONS OF LEVERAGE
 
Effects of Leverage
   
   Within approximately three months after the completion of this offering, the
Fund intends to offer shares of preferred shares representing approximately 40%
of the Fund's capital immediately after the issuance of such preferred shares.
There can be no assurance, however, that preferred shares representing such
percentage of the Fund's capital will actually be issued. Issuing the preferred
shares will result in the leveraging of the common shares. Although the Fund's
Board of Trustees has not yet determined the terms of the preferred shares
offering, the Fund anticipates that the preferred shares will pay dividends
that will be adjusted over either relatively short-term periods (generally
seven to 28 days) or medium-term periods (up to five years). The dividend rate
will be based upon prevailing interest rates for debt obligations of comparable
maturity. The proceeds of the preferred shares offering will be invested in
longer-term obligations in accordance with the Fund's investment objective. The
expenses of the preferred shares, which will be borne by the Fund, will reduce
the net asset value of the common shares. Additionally, under certain
circumstances, when the Fund is required to allocate taxable income to holders
of preferred shares, the Fund anticipates that the terms of the preferred
shares will require the Fund to make an additional distribution to such holders
in an amount approximately equal to the tax liability resulting from such
allocation (an "Additional Distribution"). Because under normal market
conditions, obligations with longer maturities produce higher yields than
short-term and medium-term obligations, the Investment Adviser believes that
the spread inherent in the difference between     
 
                                       21
<PAGE>
 
the short-term and medium-term rates (and any Additional Distribution) paid by
the Fund as dividends on the preferred shares and the longer-term rates
received by the Fund may provide holders of common shares with a potentially
higher yield.
 
   The use of leverage, however, involves certain risks to the holders of
common shares. For example, issuance of the preferred shares may result in
higher volatility of the net asset value of the common shares and potentially
more volatility in the market value of the common shares. In addition, changes
in the short-term and medium-term dividend rates on, and the amount of taxable
income allocable to, the preferred shares will affect the yield to holders of
common shares. Leverage will allow holders of common shares to realize a higher
current rate of return than if the Fund were not leveraged as long as the Fund,
while accounting for its costs and operating expenses, is able to realize a
higher net return on its investment portfolio than the then current dividend
rate (and any Additional Distribution) of the preferred shares. Similarly,
since a pro rata portion of the Fund's net realized capital gains are generally
payable to holders of common shares, the effect of leverage will be to increase
the amount of such gains distributed to holders of common shares. However,
short-term, medium-term and long-term interest rates change from time to time
as do their relationships to each other (i.e., the slope of the yield curve)
depending upon such factors as supply and demand forces, monetary and tax
policies and investor expectations. Changes in any or all of such factors could
cause the relationship between short-term, medium-term and long-term rates to
change (i.e., to flatten or to invert the slope of the yield curve) so that
short-term and medium-term rates may substantially increase relative to the
long-term obligations in which the Fund may be invested. To the extent that the
current dividend rate (and any Additional Distribution) on the preferred shares
approaches the net return on the Fund's investment portfolio, the benefit of
leverage to holders of common shares will be decreased. If the current dividend
rate (and any Additional Distribution) on the preferred shares were to exceed
the net return on the Fund's portfolio, holders of common shares would receive
a lower rate of return than if the Fund were not leveraged. Similarly, since
both the cost of issuing the preferred shares and any decline in the value of
the Fund's investments (including investments purchased with the proceeds from
any preferred share offering) will be borne entirely by holders of common
shares, the effect of leverage in a declining market would result in a greater
decrease in net asset value to holders of common shares than if the Fund were
not leveraged. If the Fund is liquidated, holders of preferred shares will be
entitled to receive liquidating distributions before any distribution is made
to holders of common shares.
 
   In an extreme case, a decline in net asset value could affect the Fund's
ability to pay dividends on the common shares. Failure to make such dividend
payments could adversely affect the Fund's qualification as a regulated
investment company under Federal tax laws. See "Taxes." However, the Fund
intends to take all measures necessary to make common shares dividend payments.
If the Fund's current investment income is ever insufficient to meet dividend
payments on either the common shares or the preferred shares, the Fund may have
to liquidate certain of its investments. In addition, the Fund will have the
authority to redeem the preferred shares for any reason and may redeem all or
part of the preferred shares under the following circumstances:
 
  . if the Fund anticipates that the leveraged capital structure will result
    in a lower rate of return for any significant amount of time to holders
    of the common shares than that obtainable if the common shares were not
    leveraged,
 
  . if the asset coverage for the preferred shares declines below 200% either
    as a result of a decline in the value of the Fund's portfolio investments
    or as a result of the repurchase of common shares in tender offers, or
 
  . in order to maintain the asset coverage guidelines established by the
    NRSROs that have rated the preferred shares.
 
                                       22
<PAGE>
 
   Redemption of the preferred shares or insufficient investment income to make
dividend payments, may reduce the net asset value of the common shares and
require the Fund to liquidate a portion of its investments at a time when it
may be disadvantageous, in the absence of such extraordinary circumstances, to
do so.
 
   As discussed under "Investment Advisory and Management Arrangements," during
periods when the Fund has preferred shares outstanding, the fees paid the
Investment Adviser for investment advisory and management services will be
higher than if the Fund did not issue preferred shares because the fees paid
will be calculated on the basis of the Fund's average weekly net assets,
including proceeds from the sale of preferred shares.
 
   Assuming the use of leverage by issuing preferred shares (paying dividends
at a rate that generally will be adjusted every 28 days) in an amount
representing approximately 40% of the Fund's capital at an annual dividend rate
of 3.375% payable on such preferred shares based on market rates as of the date
of this prospectus, the annual return that the Fund's portfolio must experience
(net of expenses) in order to cover such dividend payments would be 1.35%.
 
   The following table is designed to illustrate the effect on the return to a
holder of the Fund's common shares of the leverage obtained by the issuance of
preferred shares representing approximately 40% of the Fund's capital, assuming
hypothetical annual returns on the Fund's portfolio of minus 10% to plus 10%.
As the table shows, leverage generally increases the return to shareholders
when portfolio return is positive and decreases the return when portfolio
return is negative. The figures appearing in the table are hypothetical and
actual returns may be greater or less than those appearing in the table.
 
<TABLE>
   <S>                                                  <C>   <C>   <C>  <C> <C>
   Assumed Portfolio Return
    (net of expenses).................................. (10)%  (5)%  0 %  5% 10%
   Corresponding Common Shares Return.................. (19)% (11)% (2)%  6% 14%
</TABLE>
 
   Leveraging the common shares cannot be fully achieved until preferred shares
are issued and the proceeds of such offering have been invested in long-term
Florida Municipal Bonds and Municipal Bonds.
 
Portfolio Management and Other Considerations
 
   If short-term or medium-term rates increase or other changes in market
conditions occur to the point where the Fund's leverage could adversely affect
holders of common shares as noted above (or in anticipation of such changes),
the Fund may attempt to shorten the average maturity of its investment
portfolio in order to offset the negative impact of leverage. The Fund also may
attempt to reduce the degree to which it is leveraged by redeeming preferred
shares pursuant to the Fund's Certificate of Designation, which establishes the
rights and preferences of the preferred shares, or otherwise by purchasing
preferred shares. Purchases and redemptions of preferred shares, whether on the
open market or in negotiated transactions, are subject to limitations under the
1940 Act. In determining whether or not it is in the best interest of the Fund
and its shareholders to redeem or repurchase outstanding preferred shares, the
Trustees will take into account a variety of factors, including the following:
 
  . market conditions,
 
  . the ratio of preferred shares to common shares, and
 
  . the expenses associated with such redemption or repurchase.
 
 
                                       23
<PAGE>
 
   If market conditions subsequently change, the Fund may sell previously
unissued preferred shares or preferred shares that the Fund had issued but
later repurchased or redeemed.
 
   The Fund intends to apply for ratings of the preferred shares from one or
more NRSROs. In order to obtain these ratings, the Fund may be required to
maintain portfolio holdings that meet the specified guidelines of such
organizations. These guidelines may impose asset coverage requirements that are
more stringent than those imposed by the 1940 Act. The Fund does not anticipate
that these guidelines will impede the Investment Adviser from managing the
Fund's portfolio in accordance with the Fund's investment objective and
policies. Ratings on the preferred shares issued by the Fund should not be
confused with ratings on the obligations held by the Fund.
 
   Under the 1940 Act, the Fund is not permitted to issue preferred shares
unless, immediately after such issuance, the net asset value of the Fund's
portfolio is at least 200% of the liquidation value of the outstanding
preferred shares (expected to equal the original purchase price of the
outstanding preferred shares plus any accumulated and unpaid dividends thereon
and any accumulated and unpaid Additional Distribution). In addition, the Fund
is not permitted to declare any cash dividend or other distribution on its
common shares unless, at the time of such declaration, the net asset value of
the Fund's portfolio (determined after deducting the amount of such dividend or
distribution) is at least 200% of such liquidation value. Under the Fund's
proposed capital structure, assuming the sale of preferred shares representing
approximately 40% of the Fund's capital, the net asset value of the Fund's
portfolio is expected to be approximately 250% of the liquidation value of the
Fund's preferred shares. To the extent possible, the Fund intends to purchase
or redeem preferred shares from time to time to maintain coverage of preferred
shares of at least 200%.
 
                            INVESTMENT RESTRICTIONS
 
   The following are fundamental investment restrictions of the Fund and, prior
to issuance of the preferred shares, may not be changed without the approval of
the holders of a majority of the Fund's outstanding common shares (which for
this purpose and under the 1940 Act means the lesser of (i) 67% of the common
shares represented at a meeting at which more than 50% of the outstanding
common shares are represented or (ii) more than 50% of the outstanding shares).
Subsequent to the issuance of the preferred shares, the following investment
restrictions may not be changed without the approval of a majority of the
outstanding common shares and of the outstanding preferred shares, voting
together as a class, and the approval of a majority of the outstanding
preferred shares, voting separately as a class. The Fund may not:
 
    1. Make investments for the purpose of exercising control or management.
 
    2. Purchase or sell real estate, commodities or commodity contracts;
  provided that the Fund may invest in securities secured by real estate or
  interests therein or issued by entities that invest in real estate or
  interest therein, and the Fund may purchase and sell financial futures
  contracts and options thereon.
 
    3. Issue senior securities or borrow money except as permitted by Section
  18 of the 1940 Act.
 
    4. Underwrite securities of other issuers except insofar as the Fund may
  be deemed an underwriter under the Securities Act of 1933, as amended, in
  selling portfolio securities.
 
    5. Make loans to other persons, except that the Fund may purchase Florida
  Municipal Bonds, Municipal Bonds and other debt securities and enter into
  repurchase agreements in accordance with its investment objective, policies
  and limitations.
 
                                       24
<PAGE>
 
    6. Invest more than 25% of its total assets (taken at market value at the
  time of each investment) in securities of issuers in a single industry;
  provided that, for purposes of this restriction, states, municipalities and
  their political subdivisions are not considered to be part of any industry.
 
   Additional investment restrictions adopted by the Fund, which may be changed
by the Board of Trustees without shareholder approval, provide that the Fund
may not:
 
    a. Purchase securities of other investment companies, except to the
  extent that such purchases are permitted by applicable law. Applicable law
  currently prohibits the Fund from purchasing the securities of other
  investment companies except if immediately thereafter not more than (i) 3%
  of the total outstanding voting shares of such company is owned by the
  Fund, (ii) 5% of the Fund's total assets, taken at market value, would be
  invested in any one such company, (iii) 10% of the Fund's total assets,
  taken at market value, would be invested in such securities, and (iv) the
  Fund, together with other investment companies having the same investment
  adviser and companies controlled by such companies, owns not more than 10%
  of the total outstanding shares of any one closed-end investment company.
 
    b. Mortgage, pledge, hypothecate or in any manner transfer, as security
  for indebtedness, any securities owned or held by the Fund except as may be
  necessary in connection with borrowings mentioned in investment restriction
  (3) above or except as may be necessary in connection with transactions in
  financial futures contracts and options thereon.
 
    c. Purchase any securities on margin, except that the Fund may obtain
  such short-term credit as may be necessary for the clearance of purchases
  and sales of portfolio securities (the deposit or payment by the Fund of
  initial or variation margin in connection with financial futures contracts
  and options thereon is not considered the purchase of a security on
  margin).
 
    d. Make short sales of securities or maintain a short position or invest
  in put, call, straddle or spread options, except that the Fund may write,
  purchase and sell options and futures on Florida Municipal Bonds, Municipal
  Bonds, U.S. Government obligations and related indices or otherwise in
  connection with bona fide hedging activities and may purchase and sell Call
  Rights to require mandatory tender for the purchase of related Florida
  Municipal Bonds and Municipal Bonds.
 
   If a percentage restriction on investment policies or the investment or use
of assets set forth above is adhered to at the time a transaction is effected,
later changes in percentages resulting from changing values will not be
considered a violation.
 
   The Investment Adviser of the Fund and Merrill Lynch, Pierce, Fenner & Smith
Incorporated ("Merrill Lynch") are owned and controlled by Merrill Lynch & Co.
("ML & Co."). Because of the affiliation of Merrill Lynch with the Investment
Adviser, the Fund is prohibited from engaging in certain transactions involving
Merrill Lynch except pursuant to an exemptive order or otherwise in compliance
with the provisions of the 1940 Act and the rules and regulations thereunder.
Included among such restricted transactions will be purchases from or sales to
Merrill Lynch of securities in transactions in which it acts as principal. An
exemptive order has been obtained that permits the Fund to effect principal
transactions with Merrill Lynch in high quality, short-term, tax-exempt
securities subject to conditions set forth in such order. The Fund may consider
in the future requesting an order permitting other principal transactions with
Merrill Lynch, but there can be no assurance that such application will be made
and, if made, that such order would be granted.
 
 
                                       25
<PAGE>
 
                             TRUSTEES AND OFFICERS
   
   Information about the Trustees, executive officers and the portfolio
managers of the Fund, including their ages and their principal occupations
during the last five years is set forth below. Unless otherwise noted, the
address of each Trustee, executive officer and portfolio manager is 800
Scudders Mill Road, Plainsboro, New Jersey 08536.     
   
   Arthur Zeikel (66)--President and Trustee(1)(2)--Chairman of the Investment
Adviser (which term, as used herein, includes its corporate predecessors) since
1997; Chairman of Merrill Lynch Asset Management, L.P. ("MLAM") (which term, as
used herein, includes its corporate predecessors) since 1997; President of the
Investment Adviser and MLAM from 1977 to 1997; Chairman of Princeton Services,
Inc. ("Princeton Services") from 1993 to 1997; Executive Vice President of ML &
Co. since 1990.     
   
   Ronald W. Forbes (58)--Trustee(2)--1400 Washington Avenue, Albany, New York
12222. Professor of Finance, School of Business, State University of New York
at Albany since 1989; Consultant, Urban Institute, Washington, D.C. since 1995.
       
   Cynthia A. Montgomery (46)--Trustee(2)--Harvard Business School, Soldiers
Field Road, Boston, Massachusetts 02163. Professor, Harvard Business School
since 1989; Associate Professor, J.L. Kellogg Graduate School of Management,
Northwestern University from 1985 to 1989; Assistant Professor, Graduate School
of Business Administration, The University of Michigan from 1979 to 1985;
Director, UNUM Corporation since 1990 and Director of Newell Co. since 1995.
       
   Charles C. Reilly (67)--Trustee(2)--9 Hampton Harbor Road, Hampton Bays, New
York 11946. Self-employed financial consultant since 1990; President and Chief
Investment Officer of Verus Capital, Inc. from 1979 to 1990; Senior Vice
President of Arnhold and S. Bleichroeder, Inc. from 1973 to 1990; Adjunct
Professor, Columbia University Graduate School of Business from 1990 to 1991;
Adjunct Professor, Wharton School, The University of Pennsylvania from 1989 to
1990.     
   
   Kevin A. Ryan (66)--Trustee(2)--127 Commonwealth Avenue, Chestnut Hill,
Massachusetts 02167. Founder and current Director of The Boston University
Center for the Advancement of Ethics and Character; Professor of Education at
Boston University since 1982; Formerly taught on the faculties of The
University of Chicago, Stanford University and Ohio State University.     
   
   Richard R. West (60)--Trustee(2)--Box 604, Genoa, Nevada 89411. Professor of
Finance since 1984, Dean from 1984 to 1993, and currently Dean Emeritus of New
York University, Leonard N. Stern School of Business Administration; Director
of Bowne & Co., Inc., Vornado Realty Trust, Inc., Vornado Operating Company and
Alexander's Inc.     
   
   Terry K. Glenn (58)--Executive Vice President(1)(2)--Executive Vice
President of the Investment Adviser and MLAM since 1983; Executive Vice
President and Director of Princeton Services since 1993; President of Princeton
Funds Distributor, Inc. since 1986 and Director thereof since 1991; President
of Princeton Administrators, L.P. since 1988.     
   
   Vincent R. Giordano (54)--Senior Vice President(1)(2)--Senior Vice President
of the Investment Adviser and MLAM since 1984; Senior Vice President of
Princeton Services since 1993.     
          
   Kenneth A. Jacob (47)--Vice President(1)(2)--First Vice President of MLAM
since 1997; Vice President of MLAM from 1984 to 1997; Vice President of the
Investment Adviser since 1984.     
   
   Robert A. DiMella, CFA (32)--Vice President and Portfolio Manager(1)(2)--
Vice President of MLAM since 1997; Assistant Vice President of MLAM from 1995
to 1997; Assistant Portfolio Manager of MLAM from 1993 to 1995.     
 
                                       26
<PAGE>
 
   
  Robert D. Sneeden, Jr. (45)--Vice President and Portfolio Manager(1)(2)--
Assistant Vice President and Portfolio Manager of MLAM since 1994; Vice
President of Lehman Brothers from 1990 to 1994.     
   
  Donald C. Burke (38)--Vice President and Treasurer(1)(2)--First Vice
President of MLAM since 1997; Vice President of MLAM from 1990 to 1997;
Director of Taxation of MLAM since 1990.     
       
  Alice A. Pellegrino (38)--Secretary(1)(2)--Attorney with MLAM since 1997;
Associate with Kirkpatrick & Lockhart LLP from 1992 to 1997.
- --------
(1) Interested person, as defined in the 1940 Act, of the Fund.
(2) Such Trustee or officer is a director, trustee or officer of one or more
    additional investment companies for which the Investment Adviser or its
    affiliate, MLAM, acts as investment adviser or manager.
 
  In the event that the Fund issues preferred shares, in connection with the
election of the Fund's Trustees, holders of shares of preferred shares, voting
as a separate class, will be entitled to elect two of the Fund's Trustees, and
the remaining Trustees will be elected by all holders of capital shares, voting
as a single class. See "Description of Capital Shares."
 
Compensation of Trustees
 
  Pursuant to an Investment Advisory Agreement with the Fund, the Investment
Adviser pays all compensation of officers and employees of the Fund as well as
the fees of all Trustees who are affiliated persons of ML & Co. or its
subsidiaries.
 
  The Fund pays each Trustee not affiliated with the Investment Adviser (each,
a "non-affiliated Trustee") a fee of $2,000 per year plus $200 per meeting
attended, and pays all Trustee's out-of-pocket expenses relating to attendance
at meetings. The Fund also compensates members of the Board's audit and
nominating committee (the "Committee"), which consists of all of the non-
affiliated Trustees, an annual fee of $800. The Chairman of the Committee
receives an additional annual fee of $1,000.
   
  The following table sets forth compensation to be paid by the Fund to the
non-affiliated Trustees projected through the end of the Fund's first full
fiscal year, and for the calendar year ended December 31, 1998 the aggregate
compensation paid by all investment companies advised by the Investment Adviser
and its affiliate, MLAM ("FAM/MLAM Advised Funds"), to the non-affiliated
Trustees.     
 
<TABLE>   
<CAPTION>
                                                          Total Compensation
                                          Pension or        from Fund and
                          Aggregate   Retirement Benefits  FAM/MLAM Advised
                         Compensation Accrued as Part of    Funds Paid to
Name of Trustee           from Fund      Fund Expense          Trustees
- ---------------          ------------ ------------------- ------------------
<S>                      <C>          <C>                 <C>
Ronald W. Forbes(/1/)...    $3,600           None              $192,567
Cynthia A.
 Montgomery(/1/)........    $3,600           None              $192,567
Charles C. Reilly(/1/)..    $4,600           None              $362,858
Kevin A. Ryan(/1/)......    $3,600           None              $192,567
Richard R. West(/1/)....    $3,600           None              $334,125
</TABLE>    
- --------
(1) The Trustees serve on the boards of MLAM/FAM Advised Funds as follows: Mr.
    Forbes (35 registered investment companies consisting of 48 portfolios);
    Ms. Montgomery (35 registered investment companies consisting of 48
    portfolios); Mr. Reilly (54 registered investment companies consisting of
    67 portfolios); Mr. Ryan (35 registered investment companies consisting of
    46 portfolios); and Mr. West (56 registered investment companies consisting
    of 81 portfolios).
 
                                       27
<PAGE>
 
                INVESTMENT ADVISORY AND MANAGEMENT ARRANGEMENTS
   
   The Investment Adviser, which is owned and controlled by ML & Co., a
financial services holding company and the parent of Merrill Lynch, provides
the Fund with investment advisory and management services. The Merrill Lynch
Asset Management Group (which includes the Investment Adviser) acts as the
investment adviser to more than 100 registered investment companies and offers
investment advisory services to individuals and institutional accounts. As of
December 1998, the Asset Management Group had a total of approximately
$501 billion in investment company and other portfolio assets under management
(approximately $38 billion of which was invested in municipal securities). This
amount includes assets managed for certain affiliates of the Investment
Adviser. The Investment Adviser is a limited partnership, the partners of which
are ML & Co. and Princeton Services, Inc. The principal business address of the
Investment Adviser is 800 Scudders Mill Road, Plainsboro, New Jersey 08536.
       
   The Investment Advisory Agreement provides that, subject to the supervision
of the Board of Trustees of the Fund, the Investment Adviser is responsible for
the actual management of the Fund's portfolio. The responsibility for making
decisions to buy, sell or hold a particular security rests with the Investment
Adviser, subject to review by the Board of Trustees.     
   
   The Investment Adviser provides the portfolio management for the Fund. Such
portfolio management will consider analyses from various sources (including
brokerage firms with which the Fund does business), make the necessary
investment decisions, and place orders for transactions accordingly. The
Investment Adviser will also be responsible for the performance of certain
administrative and management services for the Fund. Robert D. Sneeden, Jr. and
Robert A. DiMella are the portfolio managers of the Fund and are primarily
responsible for the Fund's day-to-day management.     
 
   For the services provided by the Investment Adviser under the Investment
Advisory Agreement, the Fund will pay a monthly fee at an annual rate of 0.55
of 1% of the Fund's average weekly net assets (i.e., the average weekly value
of the total assets of the Fund, including proceeds from the issuance of
preferred shares, minus the sum of accrued liabilities of the Fund and
accumulated dividends on the preferred shares). For purposes of this
calculation, average weekly net assets are determined at the end of each month
on the basis of the average net assets of the Fund for each week during the
month. The assets for each weekly period are determined by averaging the net
assets at the last business day of a week with the net assets at the last
business day of the prior week.
 
   The Investment Advisory Agreement obligates the Investment Adviser to
provide investment advisory services and to pay all compensation of and furnish
office space for officers and employees of the Fund connected with investment
and economic research, trading and investment management of the Fund, as well
as the compensation of all Trustees of the Fund who are affiliated persons of
the Investment Adviser or any of its affiliates. The Fund pays all other
expenses incurred in the operation of the Fund, including, among other things,
expenses for legal and auditing services, taxes, costs of printing proxies,
listing fees, if any, share certificates and shareholder reports, charges of
the custodian and the transfer and dividend disbursing agent and registrar,
fees and expenses with respect to the issuance of preferred shares, Securities
and Exchange Commission fees, fees and expenses of non-affiliated Trustees,
accounting and pricing costs, insurance, interest, brokerage costs, litigation
and other extraordinary or non-recurring expenses, mailing and other expenses
properly payable by the Fund. Accounting services are provided to the Fund by
the Investment Adviser, and the Fund reimburses the Investment Adviser for its
costs in connection with such services.
 
                                       28
<PAGE>
 
   Unless earlier terminated as described below, the Investment Advisory
Agreement will remain in effect for a period of two years from the date of
execution and will remain in effect from year to year thereafter if approved
annually (a) by the Board of Trustees of the Fund or by a majority of the
outstanding shares of the Fund and (b) by a majority of the Trustees who are
not parties to such contract or interested persons (as defined in the 1940 Act)
of any such party. Such contract is not assignable and may be terminated
without penalty on 60 days' written notice at the option of either party
thereto or by the vote of the shareholders of the Fund.
 
   Securities held by the Fund may also be held by, or be appropriate
investments for, other funds or investment advisory clients for which the
Investment Adviser or its affiliates act as an adviser. Because of different
objectives or other factors, a particular security may be bought for an
advisory client when other clients are selling the same security. If purchases
or sales of securities by the Investment Adviser for the Fund or other funds
for which it acts as investment adviser or for advisory clients arise for
consideration at or about the same time, transactions in such securities will
be made, insofar as feasible, for the respective funds and clients in a manner
deemed equitable to all. Transactions effected by the Investment Adviser (or
its affiliates) on behalf of more than one of its clients during the same
period may increase the demand for securities being purchased or the supply of
securities being sold, causing an adverse effect on price.
 
Code of Ethics
 
   The Board of Trustees of the Fund has adopted a Code of Ethics pursuant to
Rule 17j-1 under the 1940 Act that incorporates the Code of Ethics of the
Investment Adviser (together, the "Codes"). The Codes significantly restrict
the personal investing activities of all employees of the Investment Adviser
and, as described below, impose additional, more onerous, restrictions on Fund
investment personnel.
 
   The Codes require that all employees of the Investment Adviser preclear any
personal securities investment (with limited exceptions, such as U.S.
Government securities). The preclearance requirement and associated procedures
are designed to identify any substantive prohibition or limitation applicable
to the proposed investment. The substantive restrictions applicable to all
employees of the Investment Adviser include a ban on acquiring any securities
in a "hot" initial public offering and a prohibition from profiting on short-
term trading securities. In addition, no employee may purchase or sell any
security that at the time is being purchased or sold (as the case may be), or
to the knowledge of the employee is being considered for purchase or sale, by
any fund advised by the Investment Adviser. Furthermore, the Codes provide for
trading "blackout periods" that prohibit trading by investment personnel of the
Fund within periods of trading by the Fund in the same (or equivalent) security
(15 or 30 days depending upon the transaction).
 
                             PORTFOLIO TRANSACTIONS
 
   Subject to policies established by the Board of Trustees of the Fund, the
Investment Adviser is primarily responsible for the execution of the Fund's
portfolio transactions. In executing such transactions, the Investment Adviser
seeks to obtain the best results for the Fund, taking into account such factors
as price (including the applicable brokerage commission or dealer spread), size
of order, difficulty of execution and operational facilities of the firm
involved and the firm's risk in positioning a block of securities. While the
Investment Adviser generally seeks reasonably competitive commission rates, the
Fund does not necessarily pay the lowest commission or spread available.
 
   The Fund has no obligation to deal with any broker or dealer in the
execution of transactions in portfolio securities. Subject to providing the
best price and execution, securities firms that provide supplemental
 
                                       29
<PAGE>
 
investment research to the Investment Adviser, including Merrill Lynch, may
receive orders for transactions by the Fund. Research information provided to
the Investment Adviser by securities firms is supplemental. It does not replace
or reduce the level of services performed by the Investment Adviser and the
expenses of the Investment Adviser will not be reduced because it receives
supplemental research information.
 
   The Fund invests in securities traded in the over-the-counter markets, and
the Fund intends to deal directly with dealers who make markets in the
securities involved, except in those circumstances where better prices and
execution are available elsewhere. Under the 1940 Act, except as permitted by
exemptive order, persons affiliated with the Fund, including Merrill Lynch, are
prohibited from dealing with the Fund as principal in the purchase and sale of
securities. Since transactions in the over-the-counter market usually involve
transactions with dealers acting as principals for their own accounts, the Fund
does not deal with Merrill Lynch and its affiliates in connection with such
transactions except that, pursuant to exemptive orders obtained by the
Investment Adviser, the Fund may engage in principal transactions with Merrill
Lynch in high quality, short-term, tax-exempt securities. See "Investment
Restrictions." However, affiliated persons of the Fund, including Merrill
Lynch, serve as its brokers in certain over-the-counter transactions conducted
on an agency basis.
 
   The Fund also may purchase tax-exempt debt instruments in individually
negotiated transactions with the issuers. Because an active trading market may
not exist for such securities, the prices that the Fund may pay for these
securities or receive on their resale may be lower than that for similar
securities with a more liquid market.
 
Portfolio Turnover
 
   The Fund may dispose of securities without regard to the time they have been
held when such action, for defensive or other reasons, if it appears advisable
to the Investment Adviser. While it is not possible to predict turnover rates
with any certainty, presently it is anticipated that the Fund's annual
portfolio turnover rate, under normal circumstances, should be less than 100%.
(The portfolio turnover rate is calculated by dividing the lesser of purchases
or sales of portfolio securities for the particular fiscal year by the monthly
average of the value of the portfolio securities owned by the Fund during the
particular fiscal year. For purposes of determining this rate, all securities
whose maturities at the time of acquisition are one year or less are excluded.)
A high portfolio turnover rate has certain tax consequences and results in
greater transaction costs, which are borne directly by the Fund.
 
                          DIVIDENDS AND DISTRIBUTIONS
 
   The Fund intends to distribute all its net investment income. Dividends from
such net investment income will be declared and paid monthly to holders of
common shares. It is expected that the Fund will commence paying dividends to
holders of common shares within approximately 90 days of the date of this
prospectus. From and after issuance of the preferred shares, monthly
distributions to holders of common shares normally will consist of
substantially all net investment income remaining after the payment of
dividends (and any Additional Distribution) on the preferred shares. All net
realized capital gains, if any, will be distributed pro rata at least annually
to holders of common shares and any preferred shares. While any preferred
shares are outstanding, the Fund may not declare any cash dividend or other
distribution on its common shares, unless at the time of such declaration, (i)
all accumulated preferred share dividends, including any Additional
Distribution, have been paid,
 
                                       30
<PAGE>
 
and (ii) the net asset value of the Fund's portfolio (determined after
deducting the amount of such dividend or other distribution) is at least 200%
of the liquidation value of the outstanding preferred shares (expected to equal
the original purchase price of the outstanding preferred shares plus any
accumulated and unpaid dividends thereon and any accumulated but unpaid
Additional Distribution). If the Fund's ability to make distributions on its
common shares is limited, such limitation could under certain circumstances
impair the ability of the Fund to maintain its qualification for taxation as a
regulated investment company, which would have adverse tax consequences for
holders of common shares. See "Taxes."
 
   See "Automatic Dividend Reinvestment Plan" for information concerning the
manner in which dividends and distributions to holders of common shares may be
automatically reinvested in common shares of the Fund. Dividends and
distributions may be taxable to shareholders under certain circumstances as
discussed below, whether they are reinvested in shares of the Fund or received
in cash.
 
                                     TAXES
 
General
 
   The Fund intends to elect and to qualify for the special tax treatment
afforded regulated investment companies ("RICs") under the Internal Revenue
Code of 1986, as amended (the "Code"). As long as it so qualifies, in any
taxable year in which it distributes at least 90% of its taxable net income and
90% of its tax-exempt net income (see below), the Fund (but not its
shareholders) will not be subject to Federal income tax to the extent that it
distributes its net investment income and net realized capital gains. The Fund
intends to distribute substantially all of such income.
 
   The Code requires a RIC to pay a nondeductible 4% excise tax to the extent
the RIC does not distribute, during each calendar year, 98% of its ordinary
income, determined on a calendar year basis, and 98% of its capital gains,
determined, in general, on an October 31 year-end, plus certain undistributed
amounts from previous years. The required distributions, however, are based
only on the taxable income of a RIC. The excise tax, therefore, generally will
not apply to the tax-exempt income of a RIC, such as the Fund, that pays
exempt-interest dividends.
 
   The Fund intends to qualify to pay "exempt-interest dividends" as defined in
Section 852(b)(5) of the Code. Under such section if, at the close of each
quarter of its taxable year, at least 50% of the value of its total assets
consists of obligations exempt from Federal income tax ("tax-exempt
obligations") under Section 103(a) of the Code (relating generally to
obligations of a state or local governmental unit), the Fund shall be qualified
to pay exempt-interest dividends to its shareholders. Exempt-interest dividends
are dividends or any part thereof paid by the Fund that are attributable to
interest on tax-exempt obligations and designated by the Fund as exempt-
interest dividends in a written notice mailed to the Fund's shareholders within
60 days after the close of its taxable year. To the extent that the dividends
distributed to the Fund's shareholders are derived from interest income exempt
from tax under Code Section 103(a) and are properly designated as exempt-
interest dividends, they will be excludable from a shareholder's gross income
for Federal income tax purposes. Exempt-interest dividends are included,
however, in determining the portion, if any, of a person's social security and
railroad retirement benefits subject to Federal income taxes. Each shareholder
is advised to consult a tax adviser with respect to whether exempt-interest
dividends retain the exclusion under Code Section 103(a) if such shareholder
would be treated as a "substantial user" or "related person" under Code Section
147(a) with respect to property financed with the proceeds of an issue of
"industrial development bonds" or "private activity bonds," if any, held by the
Fund.
 
                                       31
<PAGE>
 
   The Fund has applied for a ruling from the Florida Department of Revenue
that shares of the Fund will be exempt from Florida intangible personal
property tax in the following year, if, on the last business day of any
calendar year, the Fund's assets consist solely of assets exempt from Florida
intangible personal property tax ("asset requirement"). Although there is no
assurance that the Florida Department of Revenue will issue a favorable ruling
on this issue, the Florida Department of Revenue has previously issued similar
rulings. The Florida Department of Revenue has the authority to revoke or
modify a previously issued ruling; however, if a ruling is revoked or modified,
the revocation or modification is prospective only. Prior to receipt of the
ruling from the Florida Department of Revenue, the Fund will rely on an opinion
of Florida counsel for the Fund, Holland & Knight LLP, stating that Fund shares
will be exempt from Florida intangible personal property tax if the asset
requirement is met. This opinion is based on existing Florida law and
interpretive authority which could be changed at any time retroactively. While
the opinion represents the best judgment of Holland & Knight LLP, the legal
conclusions reached therein are not binding on the Florida Department of
Revenue, and there is no assurance that the legal conclusions will not be
challenged by the Department of Revenue or in judicial or administrative
proceedings. Thus, under Florida counsel's opinion or if a favorable ruling is
issued, and if the asset requirement is met, shares of the Fund owned by
Florida residents will be exempt from Florida intangible personal property tax.
Assets exempt from Florida intangible personal property tax include Florida
Municipal Bonds, obligations of the United States Government or its agencies,
and cash.
 
   The Fund may from time to time hold assets that are not exempt from Florida
intangible personal property tax. It is possible that the Fund may not be able
to fully dispose of all of its assets subject to Florida intangible personal
property tax by the last business day of the calendar year. This would subject
shares of the Fund to Florida intangible personal property tax. If shares of
the Fund are subject to Florida intangible personal property tax because the
asset requirement is not met, only that portion of the value of Fund shares
equal to the portion of the net asset value of the Fund that is attributable to
obligations of the United States Government will be exempt from taxation. The
Fund will attempt to monitor its portfolio so that on the last business day of
each calendar year the Fund's assets consist solely of assets exempt from
Florida intangible personal property tax.
 
   Dividends paid by the Fund to individuals who are Florida residents are not
subject to personal income taxation by Florida, because Florida does not impose
a personal income tax. Distributions of investment income and capital gains by
the Fund will be subject to Florida corporate income taxes, state taxes in
states other than Florida and local taxes in cities other than those in
Florida. Shareholders not subject to taxation by Florida do not benefit from
the fact that shares of the Fund will be exempt from the Florida intangible
personal property tax. Interest on indebtedness incurred or continued to
purchase or carry Fund shares is not deductible for Federal income tax purposes
to the extent attributable to exempt-interest dividends.
 
   To the extent that the Fund's distributions are derived from interest on its
taxable investments or from an excess of net short-term capital gains over net
long-term capital losses ("ordinary income dividends"), such distributions will
be considered taxable ordinary income for Federal income tax purposes.
Distributions, if any, from an excess of net long-term capital gains over net
short-term capital losses derived from the sale of securities or from certain
transactions in futures or options ("capital gain dividends") are taxable as
long-term capital gains for Federal income tax purposes, regardless of the
length of time the shareholder has owned Fund shares. Certain categories of
capital gains are taxable at different rates. Generally not later than 60 days
after the close of its taxable year, the Fund will provide its shareholders
with a written notice designating the amounts of any exempt-interest dividends,
ordinary income dividends or capital gain dividends, as well as any
 
                                       32
<PAGE>
 
amount of capital gain dividends in the different categories of capital gain
referred to above. Distributions by the Fund, whether from exempt-income,
ordinary income or capital gains, are not eligible for the dividends received
deduction allowed to corporations under the Code.
   
   All or a portion of the Fund's gain from the sale or redemption of tax-
exempt obligations purchased at a market discount will be treated for Federal
income tax purposes as ordinary income rather than capital gain. This rule may
increase the amount of ordinary income dividends received by shareholders.
Distributions in excess of the Fund's earnings and profits will first reduce
the adjusted tax basis of a holder's shares and, after such adjusted tax basis
is reduced to zero, will constitute capital gains to such holder (assuming the
shares are held as a capital asset). Any loss upon the sale or exchange of Fund
shares held for six months or less will be disallowed to the extent of any
exempt-interest dividends received by the shareholder. In addition, any such
loss that is not disallowed under the rule stated above will be treated as
long-term capital loss to the extent of any capital gain dividends received by
the shareholder. If the Fund pays a dividend in January that was declared in
the previous October, November or December to shareholders of record on a
specified date in one of such months, then such dividend will be treated for
tax purposes as being paid by the Fund and received by its shareholders on
December 31 of the year in which such dividend was declared.     
 
   The Internal Revenue Service (the "Service") has taken the position in a
revenue ruling that if a RIC has more than one class of shares, it may
designate distributions made to each class in any year as consisting of no more
than such class's proportionate share of particular types of income, including
exempt-interest income and net long-term capital gains. A class's proportionate
share of a particular type of income is determined according to the percentage
of total dividends paid by the RIC during such year that was paid to such
class. Consequently, when common shares and one or more series of preferred
shares are outstanding, the Fund intends to designate distributions made to the
classes as consisting of particular types of income in accordance with the
classes' proportionate shares of such income. Thus, the Fund will designate
dividends paid as exempt-interest dividends in a manner that allocates such
dividends among the holders of common shares and series of preferred shares in
proportion to the total dividends paid to each class during the taxable year,
or otherwise as required by applicable law. Capital gain dividends will
similarly be allocated among the classes in proportion to the total dividends
paid to each class during the taxable year, or otherwise as required by
applicable law. When capital gain or other taxable income is allocated to
holders of preferred shares pursuant to the allocation rules described above,
the terms of the preferred shares may require the Fund to make an additional
distribution to or otherwise compensate such holders for the tax liability
resulting from such allocation.
 
   The Code subjects interest received on certain otherwise tax-exempt
securities to an alternative minimum tax. The alternative minimum tax will
apply to interest received on certain "private activity bonds" issued after
August 7, 1986. Private activity bonds are bonds that, although tax-exempt, are
used for purposes other than those generally performed by governmental units
and that benefit non-governmental entities (e.g., bonds used for industrial
development or housing purposes). Income received on such bonds is classified
as an item of "tax preference" that could subject certain investors in such
bonds, including shareholders of the Fund, to an increased alternative minimum
tax. The Fund intends to purchase such "private activity bonds" and will report
to shareholders within 60 days after calendar year-end the portion of its
dividends declared during the year that constitutes an item of tax preference
for alternative minimum tax purposes. The Code further provides that
corporations are subject to an alternative minimum tax based, in part, on
certain differences between taxable income as adjusted for other tax
preferences and the corporation's "adjusted current earnings," which more
closely reflect a corporation's economic income. Because an exempt-interest
dividend paid by the Fund will be
 
                                       33
<PAGE>
 
included in adjusted current earnings, a corporate shareholder may be required
to pay an alternative minimum tax on exempt-interest dividends paid by the
Fund.
 
   The Fund may invest in instruments the return on which includes
nontraditional features such as indexed principal or interest payments
("nontraditional instruments"). These instruments may be subject to special tax
rules under which the Fund may be required to accrue and distribute income
before amounts due under the obligations are paid. In addition, it is possible
that all or a portion of the interest payments on such nontraditional
instruments could be recharacterized as taxable ordinary income.
   
   If at any time when preferred shares are outstanding the Fund does not meet
the asset coverage requirements of the 1940 Act, the Fund will be required to
suspend distributions to holders of common shares until the asset coverage is
restored. See "Dividends and Distributions." This may prevent the Fund from
distributing at least 90% of its net investment income and may, therefore,
jeopardize the Fund's qualification for taxation as a RIC. If the Fund were to
fail to qualify as a RIC, some or all of the distributions paid by the Fund
would be fully taxable for Federal income tax purposes. Upon any failure to
meet the asset coverage requirements of the 1940 Act, the Fund, in its sole
discretion, may redeem preferred shares in order to maintain or restore the
requisite asset coverage and avoid the adverse consequences to the Fund and its
shareholders of failing to qualify as a RIC. There can be no assurance,
however, that any such action would achieve such objectives.     
 
   As noted above, the Fund must distribute annually at least 90% of its net
taxable and tax-exempt interest income. A distribution will only be counted for
this purpose if it qualifies for the dividends paid deduction under the Code.
Some types of preferred shares that the Fund currently contemplates issuing may
raise an issue as to whether distributions on such preferred shares are
"preferential" under the Code and, therefore, not eligible for the dividends
paid deduction. The Fund intends to issue preferred shares that counsel advises
will not result in the payment of a preferential dividend and may seek a
private letter ruling from the Service to that effect. If the Fund ultimately
relies solely on a legal opinion when it issues such preferred shares, there is
no assurance that the Service would agree that dividends on the preferred
shares are not preferential. If the Service successfully disallowed the
dividends paid deduction for dividends on the preferred shares, the Fund could
be disqualified as a RIC. In this case, dividends on the common shares would
not be exempt from Federal income taxes. Additionally, the Fund would be
subject to the alternative minimum tax.
 
   The value of shares acquired pursuant to the Fund's dividend reinvestment
plan will generally be excluded from gross income to the extent that the cash
amount reinvested would be excluded from gross income. If, when the Fund's
shares are trading at a premium over net asset value, the Fund issues shares
pursuant to the dividend reinvestment plan that have a greater fair market
value than the amount of cash reinvested, it is possible that all or a portion
of such discount (which may not exceed 5% of the fair market value of the
Fund's shares) could be viewed as a taxable distribution. If the discount is
viewed as a taxable distribution, it is also possible that the taxable
character of this discount would be allocable to all of the shareholders,
including shareholders who do not participate in the dividend reinvestment
plan. Thus, shareholders who do not participate in the dividend reinvestment
plan, as well as dividend reinvestment plan participants, might be required to
report as ordinary income a portion of their distributions equal to their
allocable share of the discount.
 
  Ordinary income dividends paid to shareholders who are nonresident aliens or
foreign entities will be subject to a 30% United States withholding tax under
existing provisions of the Code applicable to foreign individuals and entities
unless a reduced rate of withholding or a withholding exemption is provided
under
 
                                       34
<PAGE>
 
applicable treaty law. Nonresident shareholders are urged to consult their own
tax advisers concerning the applicability of the United States withholding tax.
 
   Under certain Code provisions, some taxpayers may be subject to 31%
withholding tax on certain ordinary income dividends and on capital gain
dividends and redemption payments ("backup withholding"). Generally,
shareholders subject to backup withholding are those for whom no certified
taxpayer identification number is on file with the Fund or who, to the Fund's
knowledge, have furnished an incorrect number. When establishing an account, an
investor must certify under penalty of perjury that such number is correct and
that such investor is not otherwise subject to backup withholding.
 
   The Code provides that every shareholder required to file a tax return must
include for information purposes on such return the amount of exempt-interest
dividends received from all sources (including the Fund) during the taxable
year.
 
Tax Treatment of Options and Futures Transactions
 
   The Fund may purchase or sell municipal bond index financial futures
contracts and interest rate financial futures contracts on U.S. Government
securities. The Fund may also purchase and write call and put options on such
financial futures contracts. In general, unless an election is available to the
Fund or an exception applies, such options and financial futures contracts that
are "Section 1256 contracts" will be "marked to market" for Federal income tax
purposes at the end of each taxable year, i.e., each such option or financial
futures contract will be treated as sold for its fair market value on the last
day of the taxable year, and any gain or loss attributable to Section 1256
contracts will be 60% long-term and 40% short-term capital gain or loss.
Application of these rules to Section 1256 contracts held by the Fund may alter
the timing and character of distributions to shareholders. The mark-to-market
rules outlined above, however, will not apply to certain transactions entered
into by the Fund solely to reduce the risk of changes in price or interest
rates with respect to its investments.
 
   Code Section 1092, which applies to certain "straddles," may affect the
taxation of the Fund's sales of securities and transactions in financial
futures contracts and related options. Under Section 1092, the Fund may be
required to postpone recognition for tax purposes of losses incurred in certain
sales of securities and certain closing transactions in financial futures
contracts or the related options.
 
Florida Taxation of the Fund
 
   If the Fund does not have a taxable nexus to Florida, such as through the
location within the state of the Fund's activities or those of the Investment
Adviser, under present Florida law, the Fund is not subject to Florida
corporate income taxation. Additionally, if the Fund's assets do not have a
taxable situs in Florida on January 1 of each calendar year, the Fund will not
be subject to Florida intangible personal property tax. If the Fund has a
taxable nexus to Florida or the Fund's assets have a taxable situs in Florida
on January 1 of any year, the Fund will be subject to Florida taxation.
 
                               ----------------
 
   The foregoing is a general and abbreviated summary of the applicable
provisions of the Code and Treasury Regulations and Florida tax laws presently
in effect. For the complete provisions, reference should be
 
                                       35
<PAGE>
 
made to the pertinent Code sections, the Treasury Regulations promulgated
thereunder and Florida tax laws. The Code and the Treasury Regulations, as well
as the Florida tax laws, are subject to change by legislative, judicial or
administrative action either prospectively or retroactively.
 
   Shareholders are urged to consult their tax advisers regarding specific
questions as to Federal, state, local or foreign taxes.
 
                      AUTOMATIC DIVIDEND REINVESTMENT PLAN
 
   Pursuant to the Fund's Automatic Dividend Reinvestment Plan (the "Plan"),
unless a holder of common shares otherwise elects, all dividend and capital
gains distributions will be automatically reinvested by State Street Bank and
Trust Company, as agent for shareholders in administering the Plan (the "Plan
Agent"), in additional common shares of the Fund. Holders of common shares who
elect not to participate in the Plan will receive all distributions in cash
paid by check mailed directly to the shareholder of record (or, if the shares
are held in street or other nominee name, then to such nominee) by State Street
Bank and Trust Company, as dividend paying agent. Such participants may elect
not to participate in the Plan and to receive all distributions of dividends
and capital gains in cash by sending written instructions to State Street Bank
and Trust Company, as dividend paying agent, at the address set forth below.
Participation in the Plan is completely voluntary and may be terminated or
resumed at any time without penalty by written notice if received by the Plan
Agent not less than ten days prior to any dividend record date; otherwise, such
termination or resumption will be effective with respect to any subsequently
declared dividend or distribution.
 
   Whenever the Fund declares an income dividend or a capital gains
distribution (collectively, referred to as "dividends") payable either in
shares or in cash, non-participants in the Plan will receive cash, and
participants in the Plan will receive the equivalent in common shares. The
shares will be acquired by the Plan Agent for the participant's account,
depending upon the circumstances described below, either (i) through receipt of
additional unissued but authorized common shares from the Fund ("newly issued
shares") or (ii) by purchase of outstanding common shares on the open market
("open-market purchases") on the New York Stock Exchange (the "NYSE") or
elsewhere. If on the payment date for the dividend, the net asset value per
share of the common shares is equal to or less than the market price per common
shares plus estimated brokerage commissions (such condition being referred to
herein as "market premium"), the Plan Agent will invest the dividend amount in
newly issued shares on behalf of the participant. The number of newly issued
shares of common shares to be credited to the participant's account will be
determined by dividing the dollar amount of the dividend by the net asset value
per share on the date the shares are issued, provided that the maximum discount
from the then current market price per share on the date of issuance may not
exceed 5%. If on the dividend payment date the net asset value per share is
greater than the market value (such condition being referred to herein as
"market discount"), the Plan Agent will invest the dividend amount in shares
acquired on behalf of the participant in open-market purchases. Prior to the
time the common shares commence trading on the NYSE, participants in the Plan
will receive any dividends in newly issued shares.
 
   In the event of a market discount on the dividend payment date, the Plan
Agent will have until the last business day before the next date on which the
shares trade on an "ex-dividend" basis or in no event more than 30 days after
the dividend payment date (the "last purchase date") to invest the dividend
amount in shares acquired in open-market purchases. It is contemplated that the
Fund will pay monthly income dividends. Therefore, the period during which
open-market purchases can be made will exist only from the payment date
 
                                       36
<PAGE>
 
on the dividend through the date before the next "ex-dividend" date, which
typically will be approximately ten days. If, before the Plan Agent has
completed its open-market purchases, the market price of a common share exceeds
the net asset value per share, the average per share purchase prices paid by
the Plan Agent may exceed the net asset value of the Fund's shares, resulting
in the acquisition of fewer shares than if the dividend had been paid in newly
issued shares on the dividend payment date. Because of the foregoing difficulty
with respect to open-market purchases, the Plan provides that if the Plan Agent
is unable to invest the full dividend amount in open-market purchases during
the purchase period or if the market discount shifts to a market premium during
the purchase period, the Plan Agent will cease making open-market purchases and
will invest the uninvested portion of the dividend amount in newly issued
shares at the close of business on the last purchase date.
 
   The Plan Agent maintains all shareholders' accounts in the Plan and
furnishes written confirmation of all transactions in the account, including
information needed by shareholders for tax records. Shares in the account of
each Plan participant will be held by the Plan Agent in non-certificated form
in the name of the participant and each shareholder's proxy will include those
shares purchased or received pursuant to the Plan. The Plan Agent will forward
all proxy solicitation materials to participants and vote proxies for shares
held pursuant to the Plan in accordance with the instructions of the
participants.
 
   In the case of shareholders such as banks, brokers or nominees that hold
shares for others who are the beneficial owners, the Plan Agent will administer
the Plan on the basis of the number of shares certified from time to time by
the record shareholders as representing the total amount registered in the
record shareholder's name and held for the account of beneficial owners who are
to participate in the Plan.
 
   There will be no brokerage charges with respect to shares issued directly by
the Fund as a result of dividends or capital gains distributions payable either
in shares or in cash. However, each participant will pay a pro rata share of
brokerage commissions incurred with respect to the Plan Agent's open-market
purchases in connection with the reinvestment of dividends.
 
   The automatic reinvestment of dividends and distributions will not relieve
participants of any Federal, state or local income tax that may be payable (or
required to be withheld) on such dividends. See "Taxes."
 
   Shareholders participating in the Plan may receive benefits not available to
shareholders not participating in the Plan. If the market price plus
commissions of the Fund's shares is above the net asset value, participants in
the Plan will receive shares of the Fund at less than they could otherwise
purchase them and will have shares with a cash value greater than the value of
any cash distribution they would have received on their shares. If the market
price plus commissions is below the net asset value, participants will receive
distributions in shares with a net asset value greater than the value of any
cash distribution they would have received on their shares. However, there may
be insufficient shares available in the market to make distributions in shares
at prices below the net asset value. Also, since the Fund does not redeem its
shares, the price on resale may be more or less than the net asset value. See
"Taxes" for a discussion of tax consequences of the Plan.
 
   Experience under the Plan may indicate that changes are desirable.
Accordingly, the Fund reserves the right to amend or terminate the Plan. There
is no direct service charge to participants in the Plan; however, the Fund
reserves the right to amend the Plan to include a service charge payable by the
participants.
 
   All correspondence concerning the Plan should be directed to the Plan Agent
at 225 Franklin Street, Boston, Massachusetts 02110.
 
                                       37
<PAGE>
 
                         MUTUAL FUND INVESTMENT OPTION
 
   Purchasers of common shares of the Fund through Merrill Lynch in this
offering will have an investment option consisting of the right to reinvest the
net proceeds from a sale of such shares (the "Original Shares") in Class D
initial sales charge shares of certain Merrill Lynch-sponsored open-end mutual
funds ("Eligible Class D Shares") at their net asset value, without the
imposition of the initial sales charge, if the conditions set forth below are
satisfied. First, the sale of the Original Shares must be made through Merrill
Lynch, and the net proceeds therefrom must be immediately reinvested in
Eligible Class D Shares. Second, the Original Shares must have been either
acquired in this offering or be shares representing reinvested dividends from
common shares acquired in this offering. Third, the Original Shares must have
been continuously maintained in a Merrill Lynch securities account. Fourth,
there must be a minimum purchase of $250 to be eligible for the investment
option. Class D shares of the mutual funds are subject to an account
maintenance fee at an annual rate of up to 0.25% of the average daily net asset
value of such mutual fund. The Eligible Class D Shares may be redeemed at any
time at the next determined net asset value, subject in certain cases to a
redemption fee. Prior to the time the common shares commence trading on the
NYSE, the distributor for the mutual funds will advise Merrill Lynch Financial
Consultants as to those mutual funds that offer the investment option described
above.
 
                                NET ASSET VALUE
 
   Net asset value per common share is determined as of 15 minutes after the
close of business on the NYSE (generally, the NYSE closes at 4:00 p.m., Eastern
time) on the last business day in each week. For purposes of determining the
net asset value of a common share, the value of the securities held by the Fund
plus any cash or other assets (including interest accrued but not yet received)
minus all liabilities (including accrued expenses) and the aggregate
liquidation value of the outstanding preferred shares is divided by the total
number of common shares outstanding at such time. Expenses, including the fees
payable to the Investment Adviser, are accrued daily.
 
   The Florida Municipal Bonds and Municipal Bonds in which the Fund invests
are traded primarily in the over-the-counter markets. In determining net asset
value, the Fund utilizes the valuations of portfolio securities furnished by a
pricing service approved by the Board of Trustees. The pricing service
typically values portfolio securities at the bid price or the yield equivalent
when quotations are readily available. Florida Municipal Bonds and Municipal
Bonds for which quotations are not readily available are valued at fair market
value on a consistent basis as determined by the pricing service using a matrix
system to determine valuations. The procedures of the pricing service and its
valuations are reviewed by the officers of the Fund under the general
supervision of the Board of Trustees. The Board of Trustees has determined in
good faith that the use of a pricing service is a fair method of determining
the valuation of portfolio securities. Positions in futures contracts are
valued at closing prices for such contracts established by the exchange on
which they are traded, or if market quotations are not readily available, are
valued at fair value on a consistent basis using methods determined in good
faith by the Board of Trustees.
 
   The Fund determines and makes available for publication the net asset value
of its common shares weekly. Currently, the net asset values of shares of
publicly traded closed-end investment companies investing in debt securities
are published in Barron's, the Monday edition of The Wall Street Journal, and
the Monday and Saturday editions of The New York Times.
 
 
                                       38
<PAGE>
 
                         DESCRIPTION OF CAPITAL SHARES
 
   The Fund is authorized to issue an unlimited number of shares of beneficial
interest, par value $.10 per share. The Board of Trustees may authorize
separate classes of shares together with such designations and powers,
preferences and rights, qualifications, limitations and restrictions as may be
determined from time to time by the Trustees. Pursuant to such authority, the
Trustees have authorized the issuance of an unlimited number of common shares
together with 1,000,000 preferred shares. Within approximately three months
after completion of the offering of the common shares described herein, the
Fund intends to offer preferred shares representing approximately 40% of the
Fund's capital immediately after the issuance of such preferred shares. There
is no assurance that such preferred shares will be issued.
 
   The Fund is an entity of the type commonly known as a "Massachusetts
business trust." Under Massachusetts law, shareholders of such a trust may,
under certain circumstances, be held personally liable as partners for its
obligations. However, the Declaration of Trust of the Fund contains an express
disclaimer of shareholder liability for acts or obligations of the Fund and
provides for indemnification and reimbursement of expenses out of the Fund's
property for any shareholder held personally liable for the obligations of the
Fund. Thus, the risk of a shareholder incurring financial loss on account of
shareholder liability is limited to circumstances in which the Fund itself
would be unable to meet its obligations. Given the nature of the Fund's assets
and operations, the possibility of the Fund being unable to meet its
obligations is remote and, in the opinion of Massachusetts counsel to the Fund,
the risk to Fund shareholders is remote.
 
   The Declaration of Trust further provides that no Trustee, officer, employee
or agent of the Fund is liable to the Fund or to any shareholder, nor is any
Trustee, officer, employee of agent liable to any third persons in connection
with the affairs of the Fund, except as such liability may arise from his or
her own bad faith, willful misfeasance, gross negligence, or reckless disregard
of their duties. It also provides that all third persons shall look solely to
the Fund property for satisfaction of claims arising in connection with the
affairs of the Fund. With the exceptions stated, the Declaration of Trust
provides that a Trustee, officer, employee or agent is entitled to be
indemnified against all liability in connection with the affairs of the Fund.
 
Common Shares
 
   Common shares, when issued and outstanding, will be fully paid and non-
assessable. Shareholders are entitled to share pro rata in the net assets of
the Fund available for distribution to shareholders upon liquidation of the
Fund. Shareholders are entitled to one vote for each share held.
 
   So long as any shares of the Fund's preferred shares are outstanding,
holders of common shares will not be entitled to receive any net income of or
other distributions from the Fund unless all accumulated dividends on preferred
shares have been paid and unless asset coverage (as defined in the 1940 Act)
with respect to preferred shares would be at least 200% after giving effect to
such distributions. See "Preferred Shares" below.
 
   The Fund will send unaudited reports at least semi-annually and audited
annual financial statements to all of its shareholders.
 
   The Investment Adviser provided the initial capital for the Fund by
purchasing 6,667 common shares of the Fund for $100,005. As of the date of this
prospectus, the Investment Adviser owned 100% of the outstanding common shares
of the Fund. The Investment Adviser may be deemed to control the Fund until
such time as it owns less than 25% of the outstanding shares of the Fund.
 
                                       39
<PAGE>
 
Preferred Shares
 
   It is anticipated that the Fund's preferred shares will be issued in one or
more series, with rights as determined by the Board of Trustees, by action of
the Board of Trustees without the approval of the holders of common shares.
Under the 1940 Act, the Fund is permitted to have outstanding more than one
series of preferred stock so long as no single series has a priority over
another series as to the distribution of assets of the Fund or the payment of
dividends. Holders of common shares have no preemptive right to purchase any
preferred shares that might be issued. It is anticipated that the net asset
value per the preferred shares will equal its original purchase price per share
plus accumulated dividends per share.
 
   The Fund's Board of Trustees has declared its intention to authorize an
offering of preferred shares (representing approximately 40% of the Fund's
capital immediately after the issuance of such preferred shares) within
approximately three months after completion of the offering of common shares,
subject to market conditions and to the Board's continuing to believe that
leveraging the Fund's capital structure through the issuance of preferred
shares is likely to achieve the benefits to the holders of common shares
described in the prospectus. Although the terms of the preferred shares,
including its dividend rate, voting rights, liquidation preference and
redemption provisions will be determined by the Board of Trustees (subject to
applicable law and the Fund's Declaration of Trust), the initial series of
preferred shares will be structured to carry either a relatively short-term
dividend rate, in which case periodic redetermination of the dividend rate will
be made at relatively short intervals (generally seven or 28 days), or a
medium-term dividend rate, in which case periodic redetermination of the
dividend rate will be made at intervals of up to five years. In either case,
such redetermination of the dividend rate will be made through an auction or
remarketing procedure. Additionally, under certain circumstances, when the Fund
is required to allocate taxable income to holders of the preferred shares, it
is anticipated that the terms of the preferred shares will require the Fund to
make an Additional Distribution (as defined in "Risks and Special
Considerations of Leverage--Effects of Leverage") to such holders. The Board
also has indicated that it is likely that the liquidation preference, voting
rights and redemption provisions of the preferred shares will be as stated
below. The Fund's Declaration of Trust, as amended, together with any
Certificate of Designation, is referred to below as the "Charter."
 
   Liquidation Preference. In the event of any voluntary or involuntary
liquidation, dissolution or winding up of the Fund, the holders of preferred
shares will be entitled to receive a preferential liquidating distribution
(expected to equal the original purchase price per share plus an amount equal
to accumulated and unpaid dividends whether or not earned or declared and any
accumulated and unpaid Additional Distribution) before any distribution of
assets is made to holders of common shares. After payment of the full amount of
the liquidating distribution to which they are entitled, the preferred
shareholders will not be entitled to any further participation in any
distribution of assets by the Fund. A consolidation or merger of the Fund with
or into any other corporation or corporations or a sale of all or substantially
all of the assets of the Fund will not be deemed to be a liquidation,
dissolution or winding up of the Fund.
 
   Voting Rights. Except as otherwise indicated in this prospectus and except
as otherwise required by applicable law, holders of preferred shares will have
equal voting rights with holders of common shares (one vote per share) and will
vote together with holders of common shares as a single class.
 
   In connection with the election of the Fund's trustees, holders of preferred
shares, voting as a separate class, will be entitled to elect two of the Fund's
trustees, and the remaining trustees will be elected by all holders of capital
shares, voting as a single class. So long as any preferred shares are
outstanding, the Fund will
 
                                       40
<PAGE>
 
have not less than five trustees. If at any time dividends on the Fund's
preferred shares shall be unpaid in an amount equal to two full years'
dividends thereon, the holders of all outstanding preferred shares, voting as a
separate class, will be entitled to elect a majority of the Fund's trustees
until all dividends in default have been paid or declared and set apart for
payment.
 
   The affirmative vote of the holders of a majority of the outstanding
preferred shares, voting as a separate class, will be required to (i)
authorize, create or issue any class or series of shares ranking prior to any
series of preferred shares with respect to payment of dividends or the
distribution of assets on liquidation or (ii) amend, alter or repeal the
provisions of the Charter, whether by merger, consolidation or otherwise, so as
to adversely affect any of the contract rights expressly set forth in the
Charter of holders of preferred shares.
 
   Redemption Provisions. It is anticipated that preferred shares will
generally be redeemable at the option of the Fund at a price equal to their
liquidation preference plus accumulated but unpaid dividends to the date of
redemption plus, under certain circumstances, a redemption premium. Preferred
shares will also be subject to mandatory redemption at a price equal to their
liquidation preference plus accumulated but unpaid dividends to the date of
redemption upon the occurrence of certain specified events, such as the failure
of the Fund to maintain asset coverage requirements for the preferred shares
specified by the rating agencies that issue ratings on the preferred shares.
 
Certain Provisions of the Declaration of Trust
 
   The Fund's Declaration of Trust includes provisions that could have the
effect of limiting the ability of other entities or persons to acquire control
of the Fund or to change the composition of its Board of Trustees and could
have the effect of depriving shareholders of an opportunity to sell their
shares at a premium over prevailing market prices by discouraging a third party
from seeking to obtain control of the Fund. A trustee may be removed from
office with or without cause, but only by vote of the holders of at least 66
2/3% of the votes entitled to be voted on the matter. A trustee elected by all
the holders of capital shares may be removed only by action of such holders,
and a trustee elected by the holders of preferred shares may be removed only by
action of such holders.
 
   In addition, the Declaration of Trust requires the favorable vote of the
holders of at least 66 2/3% of the Fund's capital shares then entitled to be
voted, voting as a single class, to approve, adopt or authorize the following:
 
  . a merger or consolidation or statutory share exchange of the Fund with
   other corporations,
 
  . a sale of all or substantially all of the Fund's assets (other than in
   the regular course of the Fund's investment activities), or
 
  . a liquidation or dissolution of the Fund, unless such action has been
   approved, adopted or authorized by the affirmative vote of two-thirds of
   the total number of Trustees fixed in accordance with the by-laws, in
   which case the affirmative vote of a majority of the Fund's capital shares
   is required. Following the proposed issuance of the preferred shares, it
   is anticipated that the approval, adoption or authorization of the
   foregoing would also require the favorable vote of a majority of the
   Fund's preferred shares then entitled to be voted, voting as a separate
   class.
 
   In addition, conversion of the Fund to an open-end investment company would
require an amendment to the Fund's Declaration of Trust. The amendment would
have to be declared advisable by the Board of Trustees
 
                                       41
<PAGE>
 
prior to its submission to shareholders. Such an amendment would require the
favorable vote of the holders of at least 66 2/3% of the Fund's outstanding
capital shares (including any preferred shares) entitled to be voted on the
matter, voting as a single class (or a majority of such shares if the amendment
was previously approved, adopted or authorized by two-thirds of the total
number of Trustees fixed in accordance with the by-laws), and, assuming
preferred shares are issued, the affirmative vote of a majority of outstanding
preferred shares of the Fund, voting as a separate class. Such a vote also
would satisfy a separate requirement in the 1940 Act that the change be
approved by the shareholders. Shareholders of an open-end investment company
may require the company to redeem their common shares at any time (except in
certain circumstances as authorized by or under the 1940 Act) at their net
asset value, less such redemption charge, if any, as might be in effect at the
time of a redemption. All redemptions will be made in cash. If the Fund is
converted to an open-end investment company, it could be required to liquidate
portfolio securities to meet requests for redemption, and the common shares
would no longer be listed on a stock exchange.
 
   Conversion to an open-end investment company would also require redemption
of all outstanding preferred shares and would require changes in certain of the
Fund's investment policies and restrictions, such as those relating to the
issuance of senior securities, the borrowing of money and the purchase of
illiquid securities.
 
   The Board of Trustees has determined that the 66 2/3% voting requirements
described above, which are greater than the minimum requirements under
Massachusetts law or the 1940 Act, are in the best interests of shareholders
generally. Reference should be made to the Charter on file with the Securities
and Exchange Commission for the full text of these provisions.
 
                                   CUSTODIAN
 
   The Fund's securities and cash are held under a custodial agreement with
State Street Bank and Trust Company, 225 Franklin Street, Boston, Massachusetts
02110.
 
                                  UNDERWRITING
   
   Merrill Lynch, Pierce, Fenner & Smith Incorporated (the "Underwriter") has
agreed, subject to the terms and conditions of a Purchase Agreement with the
Fund and the Investment Adviser, to purchase 8,100,000 common shares from the
Fund. The Underwriter is committed to purchase all of such shares if any are
purchased.     
   
   The Underwriter has advised the Fund that it proposes initially to offer the
common shares to the public at the public offering price set forth on the cover
page of this prospectus. There is no sales charge or underwriting discount
charged to investors on purchases of common shares in the offering. The
Investment Adviser or an affiliate has agreed to pay the Underwriter from its
own assets a commission in connection with the sale of common shares in the
offering in the amount of $.30 per share. Such payment is equal to 2.00% of the
initial public offering price per share. The Underwriter also has advised the
Fund that from this amount the Underwriter may pay a concession to certain
dealers not in excess of $.30 per share on sales by such dealers. After the
initial public offering, the public offering price and other selling terms may
be changed.  Investors must pay for common shares purchased in the offering on
or before January 29, 1999.     
 
                                       42
<PAGE>
 
   
   The Fund has granted the Underwriter an option, exercisable for 45 days
after the date hereof, to purchase up to 1,215,000 additional common shares to
cover over-allotments, if any, at the initial offering price.     
 
   The Underwriter may engage in certain transactions that stabilize the price
of the common shares. Such transactions consist of bids or purchases for the
purpose of pegging, fixing or maintaining the price of the common shares.
 
   If the Underwriter creates a short position in the common shares in
connection with the offering, i.e., if it sells more common shares than are set
forth on the cover page of this prospectus, the Underwriter may reduce that
short position by purchasing common shares in the open market. The Underwriter
also may elect to reduce any short position by exercising all or part of the
over-allotment option described above.
 
   The Underwriter also may impose a penalty bid on certain selling group
members. This means that if the Underwriter purchases common shares in the open
market to reduce the Underwriter's short position or to stabilize the price of
the common shares, it may reclaim the amount of the selling concession from the
selling group members who sold those common shares as part of the offering.
 
   In general, purchases of a security for the purpose of stabilization or to
reduce a short position could cause the price of the security to be higher than
it might be in the absence of such purchases. The imposition of a penalty bid
might also have an effect on the price of a security to the extent that it were
to discourage resales of the security.
 
   Neither the Fund nor the Underwriter makes any representation or prediction
as to the direction or magnitude of any effect that the transactions described
above may have on the price of the shares of common stock. In addition, neither
the Fund nor the Underwriter makes any representation that the Underwriter will
engage in such transactions or that such transactions, once commenced, will not
be discontinued without notice.
   
   Prior to this offering, there has been no public market for the common
shares. The Fund's common shares have been approved for listing on the NYSE.
However, during an initial period which is not expected to exceed two weeks
from the date of this prospectus, the Fund's common shares will not be listed
on any securities exchange. Additionally, before it begins trading, the
Underwriter does not intend to make a market in the Fund's common shares,
although a limited market may develop. Thus, it is anticipated that investors
may not be able to buy and sell shares of the Fund during such period. In order
to meet the requirements for listing, the Underwriter has undertaken to sell
lots of 100 or more shares to a minimum of 2,000 beneficial owners.     
 
   The Fund anticipates that the Underwriter may from time to time act as a
broker in connection with the execution of its portfolio transactions. The Fund
has obtained an exemptive order permitting it to engage in certain principal
transactions with the Underwriter involving high quality, short-term, tax-
exempt securities subject to certain conditions. See "Investment Restrictions"
and "Portfolio Transactions."
 
   The Underwriter is an affiliate of the Investment Adviser of the Fund.
 
   The Fund and the Investment Adviser have agreed to indemnify the Underwriter
against certain liabilities, including liabilities under the Securities Act of
1933.
 
            TRANSFER AGENT, DIVIDEND DISBURSING AGENT AND REGISTRAR
 
   The transfer agent, dividend disbursing agent and registrar for the common
shares of the Fund is State Street Bank and Trust Company, 225 Franklin Street,
Boston, Massachusetts 02110.
 
                                       43
<PAGE>
 
                                 LEGAL OPINIONS
 
   Certain legal matters in connection with the common shares offered hereby
will be passed upon for the Fund and the Underwriter by Brown & Wood LLP, New
York, New York. Brown & Wood LLP will rely as to matters of Massachusetts law
on the opinion of Bingham Dana LLP, Boston, Massachusetts. Certain information
under the caption "Taxes" relating to matters of Florida law will be passed
upon for the Fund and the Underwriter by Holland & Knight LLP, Tampa, Florida.
 
                                    EXPERTS
   
   The statement of assets, liabilities and capital of the Fund as of January
13, 1999 included in this prospectus and Registration Statement has been
audited by Ernst & Young LLP, independent auditors, as set forth in their
report thereon appearing elsewhere herein, and is included in reliance upon
such report given upon authority of such firm as experts in accounting and
auditing. The selection of independent auditors is subject to ratification by
shareholders of the Fund.     
 
                             ADDITIONAL INFORMATION
 
   The Fund is subject to the informational requirements of the Securities
Exchange Act of 1934 and the 1940 Act and in accordance therewith is required
to file reports, proxy statements and other information with the Securities and
Exchange Commission (the "Commission"). Any such reports, proxy statements and
other information can be inspected and copies at the public reference
facilities of the Commission at Room 1024, Judiciary Plaza, 450 Fifth Street,
N.W., Washington, D.C. 20549, and at the following regional offices of the
Commission: Regional Office, at Seven World Trade Center, Suite 1300, New York,
New York 10048; Pacific Regional Office, at 5670 Wilshire Boulevard, 11th
Floor, Los Angeles, California 90036; and Midwest Regional Office, at
Northwestern Atrium Center, 500 West Madison Street, Suite 1400, Chicago,
Illinois 60661-2511. Copies of such materials can be obtained from the public
reference section of the Commission at 450 Fifth Street, N.W., Washington, D.C.
20549, at prescribed rates. The Commission maintains a Web site at
http://www.sec.gov containing reports, proxy and information statements and
other information regarding registrants, including the Fund, that file
electronically with the Commission. Reports, proxy statements and other
information concerning the Fund can also be inspected at the offices of the New
York Stock Exchange, 20 Broad Street, New York, New York 10005.
 
   Additional information regarding the Fund is contained in the Registration
Statement on Form N-2, including amendments, exhibits and schedules thereto,
relating to such shares filed by the Fund with the Commission in Washington,
D.C. This prospectus does not contain all of the information set forth in the
Registration Statement, including any amendments, exhibits and schedules
thereto. For further information with respect to the fund and the shares
offered hereby, reference is made to the Registration Statement. Statements
contained in this prospectus as to the contents of any contract or other
document referred to are not necessarily complete and in each instance
reference is made to the copy of such contract or other document filed as an
exhibit to the Registration Statement, each such statement being qualified in
all respects by such reference. A copy of the Registration Statement may be
inspected without charge at the Commission's principal office in Washington,
D.C., and copies of all or any part thereof may be obtained from the Commission
upon the payment of certain fees prescribed by the Commission.
 
                                       44
<PAGE>
 
Year 2000 Issues
 
   Many computer systems were designed using only two digits to designate
years. These systems may not be able to distinguish the Year 2000 from the Year
1900 (commonly known as the "Year 2000 Problem"). The Fund could be adversely
affected if the computer systems used by the Investment Adviser or other Fund
service providers do not properly address this problem before January 1, 2000.
The Investment Adviser expects to have addressed this problem before then, and
does not anticipate that the services it provides will be adversely affected.
The Fund's other service providers have told the Investment Adviser that they
also expect to resolve the Year 2000 Problem, and the Investment Adviser will
continue to monitor the situation as the Year 2000 approaches. However, if the
problem has not been fully addressed, the Fund could be negatively affected.
The Year 2000 Problem could also have a negative impact on the issuers of
securities in which the Fund invests, and this could hurt the Fund's investment
returns.
 
                                       45
<PAGE>
 
                         REPORT OF INDEPENDENT AUDITORS
 
To the Board of Trustees and Shareholder of
   
 MuniHoldings Florida Insured Fund IV:     
   
We have audited the accompanying statement of assets, liabilities and capital
of MuniHoldings Florida Insured Fund IV as of January 13, 1999. This statement
of assets, liabilities and capital is the responsibility of the Fund's
management. Our responsibility is to express an opinion on this statement of
assets, liabilities and capital 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 statement of assets, liabilities and
capital is free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the statement of
assets, liabilities and capital. An audit also includes assessing the
accounting principles used and significant estimates made by management, as
well as evaluating the overall statement of assets, liabilities and capital
presentation. We believe that our audit provides a reasonable basis for our
opinion.
   
In our opinion, the statement of assets, liabilities and capital referred to
above presents fairly, in all material respects, the financial position of
MuniHoldings Florida Insured Fund IV at January 13, 1999, in conformity with
generally accepted accounting principles.     
                                             
                                          Ernst & Young LLP     
   
Princeton, New Jersey     
   
January 21, 1999     
 
                                       46
<PAGE>
 
                      MuniHoldings Florida Insured Fund IV
 
                  Statement of Assets, Liabilities and Capital
                                
                             January 13, 1999     
 
<TABLE>   
<S>                                                                    <C>
ASSETS
  Cash................................................................ $100,005
  Offering costs (Note 1).............................................  257,000
                                                                       --------
    Total assets......................................................  357,005
                                                                       --------
LIABILITIES
  Liabilities and accrued expenses (Note 1)...........................  257,000
                                                                       --------
NET ASSETS............................................................ $100,005
                                                                       ========
CAPITAL
  Common Shares, par value $.10 per share; unlimited number of shares
   authorized;
   6,667 shares issued and outstanding (Note 1)....................... $    667
  Paid-in Capital in excess of par....................................   99,338
                                                                       --------
  Total Capital-Equivalent to $15.00 net asset value per Common Share
   (Note 1)........................................................... $100,005
                                                                       ========
</TABLE>    
 
             Notes to Statement of Assets, Liabilities and Capital
 
Note 1. Organization
   
   The Fund was organized under the laws of the Commonwealth of Massachusetts
on November 25, 1998 as a closed-end, non-diversified management investment
company and has had no operations other than the sale to Fund Asset Management,
L.P. (the "Investment Adviser") of an aggregate of 6,667 Common Shares for
$100,005 on January 13, 1999. The General Partner of the Investment Adviser is
an indirectly wholly owned subsidiary of Merrill Lynch & Co., Inc.     
   
   The Investment Adviser, on behalf of the Fund, will incur organization costs
estimated at $11,000. Direct costs relating to the public offering of the
Fund's shares will be charged to capital at the time of issuance of shares.
    
Note 2. Management Arrangements
   
   The Fund has engaged the Investment Adviser to provide investment advisory
and management services to the Fund. The Investment Adviser will receive a
monthly fee for advisory services at an annual rate of 0.55 of 1% of the Fund's
average weekly net assets, including any proceeds from the issuance of
Preferred Shares. The Investment Adviser or an affiliate will pay Merrill
Lynch, Pierce, Fenner & Smith Incorporated a commission in the amount of 2.00%
of the price to the public in connection with the initial public offering of
the Fund's Common Shares.     
 
Note 3. Federal Income Taxes
 
   The Fund intends to qualify as a "regulated investment company" and as such
(and by complying with the applicable provisions of the Internal Revenue Code
of 1986, as amended) will not be subject to Federal income tax on taxable
income (including realized capital gains) that is distributed to shareholders.
 
                                       47
<PAGE>
 
                                   APPENDIX I
 
                    ECONOMIC AND OTHER CONDITIONS IN FLORIDA
 
   The following information is a brief summary of factors affecting the
economy of the State of Florida (the "State") and does not purport to be a
complete description of such factors. Other factors will affect issuers. The
summary is based upon one or more publicly available offering statements
relating to debt offerings of the State. The Fund has not independently
verified the information.
 
   Throughout the 1980s, the State's unemployment rate has, generally, tracked
below that of the nation. In the nineties, the trend was reversed, until 1995
and 1996, when the State's unemployment rate again tracked below the national
average. The State's unemployment rate is projected to be 4.7% in 1997-98 and
5.0 in 1998-99. The average rate of unemployment for the State was 4.8% while
the nation's was 4.9%. (The projections set forth in this Appendix were
obtained from a report, prepared by the Revenue and Economic Analysis Unit of
the Executive Office of the Governor for the State of Florida, contained within
a recent official statement, dated August 18, 1998, for a State of Florida debt
offering.)
 
   Personal income in the State has grown at a strong pace and has generally
outperformed both the nation as a whole and the Southeast in particular. From
1992 through 1997, the State's per capita income expanded approximately 25.9%,
while the national per capita income increased by 24.1%. Real personal income
in Florida is estimated to increase 5.2% in 1997-98 and 3.7% in 1998-99 while
real personal income per capita is projected to grow at 3.2% in 1997-98 and
1.8% in 1998-99.
 
   The structure of Florida's income differs from that of the nation and the
southeast. Because Florida has a proportionally greater retirement age
population, property income (dividends, interest, and rent) and transfer
payments (social security and pension benefits, among other sources of income)
are a relatively more important source of income. For example, Florida's
employment income in 1997 represented 59.8% of total personal income, while the
nation's share of total personal income in the form of wages and salaries and
other labor benefits was 70.4%. Florida's income is dependent upon transfer
payments controlled by the federal government.
 
   The State's strong population growth is one fundamental reason why its
economy has typically performed better than the nation as a whole. In 1980, the
State was ranked seventh among the 50 states with a population of 9.7 million
people. The State has grown dramatically since then and as of April 1, 1997
ranked fourth with an estimated population of 14.7 million. Since 1990, the
State's average annual rate of population increase has been approximately 1.8%
as compared to an approximately 1.0% for the nation as a whole. While annual
growth in the State's population is expected to decline somewhat, it is still
expected to grow close to 230,000 new residents per year throughout the 1990s.
 
   Tourism is one of the State's most important industries. 47 million people
visited the State in 1997, according to the Florida Department of Commerce.
Tourism arrivals are expected to increase by 2.1% this fiscal year and 4.7%
next year. By the end of the fiscal year, 43.8 million domestic and
international tourists are expected to have visited the State. In 1998-99,
tourist arrivals should approximate 45.6 million. Florida tourism appears to be
recovering from the effects of negative publicity regarding crime against
tourists in the state. Factors such as "product maturity" of a Florida vacation
package, higher prices, and more aggressive marketing by competing vacation
destinations, could contribute to a tourism slowdown.
 
                                       48
<PAGE>
 
   Florida's dependency on the highly cyclical construction and construction-
related manufacturing sectors has declined. For example, total contract
construction employment as a share of total non-farm employment was a little
over 5.7% in 1997. Florida, nevertheless, has had a dynamic construction
industry, with single and multi-family housing starts accounting for
approximately 9.2% of total U.S. housing starts, while the State's population
was 5.5% of the nation's population. Total housing starts were 132,813 in 1997.
A driving force behind Florida's construction industry is its rapid growth in
population. In Florida, single and multi-family housing starts in 1997-98 are
projected to reach a combined level of 129,500, while increasing 131,300 next
year. Multi-family starts have been slow to recover, but are showing stronger
growth now and should maintain a level of nearly 38,200 in 1997-98 and 37,200
in 1998-99. Total construction expenditures are forecasted to increase 13.2% in
this year and increase 6.5% next year.
 
   Financial operations of the State covering all receipts and expenditures are
maintained through the use of four funds--the General Revenue Fund, Trust
Funds, the Working Capital Fund, and beginning in fiscal year 1994-95, the
Budget Stabilization Fund. In fiscal year 1996-97, the State derived
approximately 67% of its total direct revenues to these funds from State taxes
and fees. Federal funds and other special revenues accounted for the remaining
revenues. Major sources of tax revenues to the General Revenue Fund are the
sales and use tax, corporate income tax, intangible personal property tax,
beverage tax, and estate tax which amounted to 68%, 8%, 4% and 3%,
respectively, of total General Revenue Funds available. State expenditures are
categorized for budget and appropriation purposes by type of fund and spending
unit, which are further subdivided by line item. In fiscal year 1996-97,
expenditures from the General Revenue Fund for education, health and welfare,
and public safety amounted to approximately 53%, 26% and 14%, respectively, of
total General Revenues.
 
   The Sales and Use Tax is the greatest single source of tax receipts in the
State. For the State fiscal year ended June 30, 1997, receipts from this source
were $12,089 million, an increase of 5.5% from fiscal year 1995-96. The second
largest source of State tax receipts is the Motor Fuel Tax. The collections
from this source during the fiscal year ending June 30, 1997, were $2,012
million. Alcoholic beverage tax revenues totalled $447.2 million for the State
fiscal year ending June 30, 1997, an increase of $5.7 million from the previous
year. The receipts of corporate income tax for the fiscal year ended June 30,
1997 were $1,362.3 million, an increase of 17.2% from fiscal year 1995-96.
Gross Receipt tax collections for fiscal year 1996-97 totalled $575.7 million,
an increase of 6.0% over the previous fiscal year. Documentary stamp tax
collections totalled $844.2 million during fiscal year 1996-97, posting an 8.9%
increase from the previous fiscal year. The intangible personal property tax is
a tax on stocks, bonds, notes, governmental leaseholds, certain limited
partnership interests, mortgages and other obligations secured by liens on
Florida realty, and other intangible personal property. Total collections from
intangible personal property taxes were $952.4 million during the fiscal year
ending June 30, 1997, a 6.3% increase from the previous fiscal year. Severance
taxes totalled $39.2 million during fiscal year 1995-96, up 26.1% from the
previous fiscal year. In November 1986, the voters of the State approved a
constitutional amendment to allow the State to operate a lottery. Fiscal year
1996-97 produced ticket sales of $2.09 billion of which education received
approximately $792.3 million.
 
   For fiscal year 1998-99 the estimated General Revenue plus Working Capital
and Budget Stabilization funds available total $19,113.2 million, a 2.6%
increase over 1997-98. The $16,887.6 million in estimated revenues represent a
7.2% increase over the analogous figure in 1997. With combined General Revenue,
Working Capital Fund and Budget Stabilization Fund appropriations at $17,207.0
million, unencumbered reserves at the end of 1998-99 are estimated at $1,414.8
million.
 
                                       49
<PAGE>
 
   The State Constitution does not permit a state or local personal income tax.
An amendment to the State Constitution by the electors of the State would be
required in order to impose a personal income tax in the State.
 
   Property valuations for homestead property are subject to a growth cap.
Growth in the just (market) value of property qualifying for the homestead
exemption is limited to 3% or the change in the Consumer Price Index, whichever
is less. If the property changes ownership or homestead status, it is to be re-
valued at full just value on the next tax roll. Although the impact of the
growth cap cannot be determined, it may have the effect of causing local
government units in the State to rely more on non-ad valorem tax revenues to
meet operating expenses and other requirements normally funded with ad valorem
tax revenues.
 
   An amendment to the State Constitution was approved by statewide ballot in
the November 8, 1994 general election which is commonly referred to as the
"Limitation on State Revenues Amendment." This amendment provides that State
revenues collected for any fiscal year shall be limited to State revenues
allowed under the amendment for the prior fiscal year plus an adjustment for
growth. Growth is defined as an amount equal to the average annual rate of
growth in State personal income over the most recent twenty quarters times the
State revenues allowed under the amendment for the prior fiscal year. State
revenues collected for any fiscal year in excess of this limitation are
required to be transferred to the Budget Stabilization Fund until the fund
reaches the maximum balance specified in Section 19(g) of Article III of the
State Constitution, and thereafter is required to be refunded to taxpayers as
provided by general law. The limitation on State revenues imposed by the
amendment may be increased by the Legislature, by a two-thirds vote of each
house.
 
   The term "State revenues," as used in the amendment, means taxes, fees,
licenses, and charges for services imposed by the Legislature on individuals,
businesses, or agencies outside State government. However, the term "State
revenues" does not include: (i) revenues that are necessary to meet the
requirements set forth in documents authorizing the issuance of Bonds by the
State; (ii) revenues that are used to provide matching funds for the federal
Medicaid program with the exception of the revenues used to support the Public
Medical Assistance Trust Fund or its successor program and with the exception
of State matching funds used to fund elective expansions made after July 1,
1994; (iii) proceeds from the State lottery returned as prizes; (iv) receipts
of the Florida Hurricane Catastrophe Fund; (v) balances carried forward from
prior fiscal years; (vi) taxes, licenses, fees and charges for services imposed
by local, regional, or school district governing bodies; or (vii) revenue from
taxes, licenses, fees and charges for services required to be imposed by any
amendment or revision to the State Constitution after July 1, 1994. The
amendment took effect on January 1, 1995 and is applicable to State fiscal year
1995-96.
 
   It should be noted that many of the provisions of the amendment are
ambiguous, and likely will not be clarified until State courts have ruled on
their meanings. Further, it is unclear how the Legislature will implement the
language of the amendment and whether such implementing legislation will itself
be the subject of court interpretation.
 
   The Fund cannot predict the impact of the amendment on State finances. To
the extent local governments traditionally receive revenues from the State
which are subject to, and limited by, the amendment, the future distribution of
such State revenues may be adversely affected by the amendment.
 
   Hurricanes continue to endanger the coastal and interior portions of
Florida. Substantial damage resulted from Hurricane Andrew in 1992. During the
1995 hurricane season, a record number of tropical storms and hurricanes also
caused substantial damages. The 1996 and 1997 hurricane seasons were uneventful
with
 
                                       50
<PAGE>
 
considerably less damage than in 1992 and 1995. During the 1998 hurricane
season, which ended November 30, two hurricanes caused significant damage to
several coastal communities in Florida. The Fund cannot predict the economic
impact, if any, of future hurricanes and storms.
   
   As of December 2, 1998, the State had a high bond rating from Moody's
Investors Service, Inc. (Aa2), Standard & Poor's (AA+) and Fitch IBCA, Inc.
(AA) on all of its general obligation bonds. Outstanding general obligation
bonds at June 30, 1997 totalled almost $7.9 billion and were issued to finance
capital outlay for educational projects of both local school districts,
community colleges and state universities, environmental protection and highway
construction. The State has issued over $1,340 billion of general obligation
bonds since July 1, 1997.     
 
   Due to investments in certain derivatives, Escambia County, Florida in 1994
sustained notable losses which may in the future affect their operations. As
reported in the local press, several lawsuits have resulted regarding such
investments.
 
   In late October, 1996, the Florida Auditor General notified the Governor's
office that seventeen municipalities or special districts are in a state of
financial emergency (including the Orlando-Orange County Expressway Authority
and the Pinellas Suncoast Transit Authority) and that another twenty-five
municipalities or special districts might be in a state of financial emergency
(including the City of Miami). For these purposes, a state of emergency is
considered two consecutive years of budget deficits. Municipalities or special
districts that may be in a state of financial emergency are those that the
Auditor General was unable to conclude had sufficient revenues to cover their
deficits. The operations of all these entities mentioned in the Auditor
General's communication may be adversely affected by their financial condition.
 
                                       51
<PAGE>
 
                                  APPENDIX II
 
                           RATINGS OF MUNICIPAL BONDS
 
Description of Moody's Investors Service, Inc.'s ("Moody's") Municipal Bond
Ratings
 
Aaa  Bonds which are rated Aaa are judged to be of the best quality. They
     carry the smallest degree of investment risk and are generally
     referred to as "gilt edge." Interest payments are protected by a large
     or by an exceptionally stable margin and principal is secure. While
     the various protective elements are likely to change, such changes as
     can be visualized are most unlikely to impair the fundamentally strong
     position of such issues.
 
Aa   Bonds which are rated Aa are judged to be of high quality by all
     standards. Together with the Aaa group they comprise what are
     generally known as high grade bonds. They are rated lower than the
     best bonds because margins of protection may not be as large as in Aaa
     securities or fluctuation of protective elements may be of greater
     amplitude or there may be other elements present which make the long-
     term risks appear somewhat larger than in Aaa securities.
 
A    Bonds which are rated A possess many favorable investment attributes
     and are to be considered as upper medium grade obligations. Factors
     giving security to principal and interest are considered adequate, but
     elements may be present which suggest a susceptibility to impairment
     sometime in the future.
 
Baa  Bonds which are rated Baa are considered as medium grade obligations,
     i.e., they are neither highly protected nor poorly secured. Interest
     payments and principal security appear adequate for the present, but
     certain protective elements may be lacking or may be
     characteristically unreliable over any great length of time. Such
     bonds lack outstanding investment characteristics and in fact have
     speculative characteristics as well.
 
Ba   Bonds which are rated Ba are judged to have speculative elements;
     their future cannot be considered as well assured. Often the
     protection of interest and principal payments may be very moderate and
     thereby not well safeguarded during both good and bad times over the
     future. Uncertainty of position characterizes bonds in this class.
 
B    Bonds which are rated B generally lack characteristics of the
     desirable investment. Assurance of interest and principal payments or
     of maintenance of other terms of the contract over any long period of
     time may be small.
 
Caa  Bonds which are rated Caa are of poor standing. Such issues may be in
     default or there may be present elements of danger with respect to
     principal or interest.
 
Ca   Bonds which are rated Ca represent obligations which are speculative
     in a high degree. Such issues are often in default or have other
     marked shortcomings.
 
C    Bonds which are rated C are the lowest rated class of bonds and issues
     so rated can be regarded as having extremely poor prospects of ever
     attaining any real investment standing.
 
   Note: Those bonds in the Aa, A, Baa, Ba and B groups which Moody's believes
possess the strongest investment attributes are designated by the symbols Aa1,
A1, Baa1, Ba1 and B1.
 
                                       52
<PAGE>
 
   Short-term Notes: The three ratings of Moody's for short-term notes are MIG
1/VMIG 1, MIG 2/VMIG 2, and MIG 3/VMIG 3; MIG 1/VMIG 1 denotes "best quality,
enjoying strong protection from established cash flows"; MIG 2/VMIG 2 denotes
"high quality" with "ample margins of protection"; MIG 3/VMIG 3 instruments are
of "favorable quality . . . but . . . lacking the undeniable strength of the
preceding grades."
 
Description of Moody's Commercial Paper Ratings
 
   Moody's Commercial Paper ratings are opinions of the ability of issuers to
repay punctually promissory obligations not having an original maturity in
excess of nine months. Moody's employs the following three designations, all
judged to be investment grade, to indicate the relative repayment capacity of
rated issuers:
 
   Issuers rated Prime-1 (or supporting institutions) have a superior ability
for repayment of short-term promissory obligations. Prime-1 repayment ability
will often be evidenced by many of the following characteristics: leading
market positions in well established industries; high rates of return on funds
employed; conservative capitalization structures with moderate reliance on debt
and ample asset protection; broad margins in earning coverage of fixed
financial charges and high internal cash generation; and well established
access to a range of financial markets and assured sources of alternate
liquidity.
 
   Issuers rated Prime-2 (or supporting institutions) have a strong ability for
repayment of short-term promissory obligations. This will normally be evidenced
by many of the characteristics cited above but to a lesser degree. Earnings
trends and coverage ratios, while sound, may be more subject to variation.
Capitalization characteristics, while still appropriate, may be more affected
by external conditions. Ample alternate liquidity is maintained.
 
   Issuers rated Prime-3 (or supporting institutions) have an acceptable
ability for repayment of short-term promissory obligations. The effects of
industry characteristics and market composition may be more pronounced.
Variability in earnings and profitability may result in changes to the level of
debt protection measurements and may require relatively high financial
leverage. Adequate alternate liquidity is maintained.
 
   Issuers rated Not Prime do not fall within any of the Prime rating
categories.
 
Description of Standard & Poor's, a Division of The McGraw-Hill Companies, Inc.
("Standard & Poor's"), Municipal Debt Ratings
 
   A Standard & Poor's municipal debt rating is a current opinion of the
creditworthiness of an obligor with respect to a specific financial obligation,
a specific class of financial obligations or a specific program. It takes into
consideration the creditworthiness of guarantors, insurers, or other forms of
credit enhancement on the obligation.
 
   The debt rating is not a recommendation to purchase, sell or hold a
financial obligation, inasmuch as it does not comment as to market price or
suitability for a particular investor.
 
   The ratings are based on current information furnished by the obligors or
obtained by Standard & Poor's from other sources Standard & Poor's considers
reliable. Standard & Poor's does not perform an audit in connection with any
rating and may, on occasion, rely on unaudited financial information. The
ratings may be changed, suspended, or withdrawn as a result of changes in, or
unavailability of, such information, or based on circumstances.
 
                                       53
<PAGE>
 
   The ratings are based, in varying degrees, on the following considerations:
 
    I. Likelihood of payment--capacity and willingness of the obligor as to
  the timely payment of interest and repayment of principal in accordance
  with the terms of the obligation;
 
    II. Nature of and provisions of the obligation;
 
    III. Protection afforded to, and relative position of, the obligation in
  the event of bankruptcy, reorganization or other arrangement under the laws
  of bankruptcy and other laws affecting creditors' rights.
 
AAA  Debt rated "AAA" has the highest rating assigned by Standard & Poor's.
     Capacity to meet its financial commitment on the obligation is
     extremely strong.
 
AA   Debt rated "AA" differs from the highest rated issues only in small
     degree. The Obligor's capacity to meet its financial commitment on the
     obligation is very strong.
 
A    Debt rated "A" is somewhat more susceptible to the adverse effects of
     changes in circumstances and economic conditions than debt in higher-
     rated categories. However, the obligor's capacity to meet its
     financial commitment on the obligation is still strong.
 
BBB  Debt rated "BBB" exhibits adequate protection parameters. However,
     adverse economic conditions or changing circumstances are more likely
     to lead to a weakened capacity of the obligor to meet its financial
     commitment on the obligation.
 
BB   Debt rated "BB," "B," "CCC," "CC" and "C" are regarded as having
B    significant speculative characteristics. "BB" indicates the least
CCC  degree of speculation and "C" the highest degree of speculation. While
CC   such debt will likely have some quality and protective
C    characteristics, these may be outweighed by large uncertainties or
     major risk exposures to adverse conditions.
 
     Debt rated "D" is in payment default. The "D" rating category is used
D    when payments on an obligation are not made on the date due even if
     the applicable grace period has not expired, unless Standard & Poor's
     believes that such payments will be made during such grace period. The
     "D" rating also will be used upon the filing of a bankruptcy petition
     or the taking of similar action if payments on an obligation are
     jeopardized.
 
   Plus (+) or Minus (-): The ratings from "AA" to "CCC" may be modified by the
addition of a plus or minus sign to show relative standing within the major
rating categories.
 
Description of Standard & Poor's Commercial Paper Ratings
 
   A Standard & Poor's commercial paper rating is a current assessment of the
likelihood of timely payment of debt having an original maturity of no more
than 365 days. Ratings are graded into several categories, ranging from "A-1"
for the highest-quality obligations to "D" for the lowest. These categories are
as follows:
 
A-1  This designation indicates that the degree of safety regarding timely
     payment is strong. Those issues determined to possess extremely strong
     safety characteristics are denoted with a plus sign (+) designation.
 
A-2  Capacity for timely payment on issues with this designation is
     satisfactory. However, the relative degree of safety is not as high as
     for issues designated "A-1."
 
                                       54
<PAGE>
 
A-3  Issues carrying this designation have an adequate capacity for timely
     payment. They are, however, more vulnerable to the adverse effects of
     changes in circumstances than obligations carrying the higher
     designations.
 
B    Issues rated "B" are regarded as having only speculative capacity for
     timely payment.
 
C    This rating is assigned to short-term debt obligations with a doubtful
     capacity for payment.
 
D    Debt rated "D" is in payment default. The "D" rating category is used
     when interest payments or principal payments are not made on the date
     due, even if the applicable grace period has not expired unless
     Standard & Poor's believes that such payments will be made during such
     grace period.
 
   A commercial paper rating is not a recommendation to purchase or sell a
security. The ratings are based on current information furnished to Standard &
Poor's by the issuer or obtained by Standard & Poor's from other sources it
considers reliable. The ratings may be changed, suspended, or withdrawn as a
result of changes in, or unavailability of, such information.
 
   A Standard & Poor's note rating reflects the liquidity factors and market
access risks unique to notes. Notes due in three years or less will likely
receive a note rating. Notes maturing beyond three years will most likely
receive a long-term debt rating. The following criteria will be used in making
that assessment.
 
  --Amortization schedule--the larger the final maturity relative to other
   maturities, the more likely it will be treated as a note.
 
  --Source of payment--the more dependent the issue is on the market for its
   refinancing, the more likely it will be treated as a note.
 
  Note rating symbols are as follows:
 
SP-1 Strong capacity to pay principal and interest. An issue determined to
     possess a very strong capacity to pay debt service is given a plus (+)
     designation.
 
SP-2 Satisfactory capacity to pay principal and interest with some
     vulnerability to adverse financial and economic changes over the term of
     the notes.
 
SP-3 Speculative capacity to pay principal and interest.
 
Description of Fitch IBCA, Inc.'s ("Fitch") Investment Grade Bond Ratings
 
   Fitch investment grade bond ratings provide a guide to investors in
determining the credit risk associated with a particular security. The rating
represents Fitch's assessment of the issuer's ability to meet the obligations
of a specific debt issue or class of debt in a timely manner.
 
   The rating takes into consideration special features of the issue, its
relationship to other obligations of the issuer, the current and prospective
financial condition and operating performance of the issuer and any guarantor,
as well as the economic and political environment that might affect the
issuer's future financial strength and credit quality.
 
   Fitch ratings do not reflect any credit enhancement that may be provided by
insurance policies or financial guarantees unless otherwise indicated.
 
 
                                       55
<PAGE>
 
   Bonds carrying the same rating are of similar but not necessarily identical
credit quality since the rating categories do not fully reflect small
differences in the degrees of credit risk.
 
   Fitch ratings are not recommendations to buy, sell, or hold any security.
Ratings do not comment on the adequacy of market price, the suitability of any
security for a particular investor, or the tax-exempt nature or taxability of
payments made in respect of any security.
 
   Fitch ratings are based on information obtained from issuers, other
obligors, underwriters, their experts, and other sources Fitch believes to be
reliable. Fitch does not audit or verify the truth or accuracy of such
information. Ratings may be changed, suspended, or withdrawn as a result of
changes in, or the unavailability of, information or for other reasons.
 
AAA Bonds considered to be investment grade and of the highest credit
    quality. The obligor has an exceptionally strong ability to pay
    interest and repay principal, which is unlikely to be affected by
    reasonably foreseeable events.
 
AA  Bonds considered to be investment grade and of very high credit
    quality. The obligor's ability to pay interest and repay principal is
    very strong, although not quite as strong as bonds rated "AAA." Because
    bonds rated in the "AAA" and "AA" categories are not significantly
    vulnerable to foreseeable future developments, short-term debt of these
    issuers is generally rated "F-1+."
 
A   Bonds considered to be investment grade and of high credit quality. The
    obligor's ability to pay interest and repay principal is considered to
    be strong, but may be more vulnerable to adverse changes in economic
    conditions and circumstances than bonds with higher ratings.
 
BBB Bonds considered to be investment grade and of satisfactory-credit
    quality. The obligor's ability to pay interest and repay principal is
    considered to be adequate. Adverse changes in economic conditions and
    circumstances, however, are more likely to have adverse impact on these
    bonds, and therefore impair timely payment. The likelihood that the
    ratings of these bonds will fall below investment grade is higher than
    for bonds with higher ratings.
 
   Plus (+) or Minus (-): Plus and minus signs are used with a rating symbol to
indicate the relative position of a credit within the rating category. Plus and
minus signs, however, are not used in the "AAA" category.
 
NR           Indicates that Fitch does not rate the specific issue.
 
Conditional  A conditional rating is premised on the successful completion of
             a project or the occurrence of a specific event.
 
Suspended    A rating is suspended when Fitch deems the amount of information
             available from the issuer to be inadequate for rating purposes.
 
Withdrawn    A rating will be withdrawn when an issue matures or is called or
             refinanced and, at Fitch's discretion, when an issuer fails to
             furnish proper and timely information.
 
                                       56
<PAGE>
 
FitchAlert   Ratings are placed on FitchAlert to notify investors of an
             occurrence that is likely to result in a rating change and the
             likely direction of such change. These are designated as
             "Positive," indicating a potential upgrade, "Negative," for
             potential downgrade, or "Evolving," where ratings may be raised
             or lowered. FitchAlert is relatively short-term, and should be
             resolved within 12 months.
 
   Ratings Outlook: An outlook is used to describe the most likely direction of
any rating change over the intermediate term. It is described as "Positive" or
"Negative." The absence of a designation indicates a stable outlook.
 
Description of Fitch's Speculative Grade Bond Ratings
 
   Fitch speculative grade bond ratings provide a guide to investors in
determining the credit risk associated with a particular security. The ratings
("BB" to "C") represent Fitch's assessment of the likelihood of timely payment
of principal and interest in accordance with the terms of obligation for bond
issues not in default. For defaulted bonds, the rating ("DDD" to "D") is an
assessment of the ultimate recovery value through reorganization or
liquidation.
 
   The rating takes into consideration special features of the issue, its
relationship to other obligations of the issuer, the current and prospective
financial condition and operating performance of the issuer and any guarantor,
as well as the economic and political environment that might affect the
issuer's future financial strength.
 
   Bonds that have the rating are of similar but not necessarily identical
credit quality since rating categories cannot fully reflect the differences in
degrees of credit risk.
 
BB           Bonds are considered speculative. The obligor's ability to pay
             interest and repay principal may be affected over time by adverse
             economic changes. However, business and financial alternatives
             can be identified which could assist the obligor in satisfying
             its debt service requirements.
 
B            Bonds are considered highly speculative. While bonds in this
             class are currently meeting debt service requirements, the
             probability of continued timely payment of principal and interest
             reflects the obligor's limited margin of safety and the need for
             reasonable business and economic activity throughout the life of
             the issue.
 
CCC          Bonds have certain identifiable characteristics which, if not
             remedied, may lead to default. The ability to meet obligations
             requires an advantageous business and economic environment.
 
CC           Bonds are minimally protected. Default in payment of interest
             and/or principal seems probable over time.
 
C            Bonds are in imminent default in payment of interest or
             principal.
 
DDD          Bonds are in default on interest and/or principal payments. Such
DD           bonds are extremely speculative and should be valued on the basis
D            of their ultimate recovery value in liquidation or reorganization
             of the obligor. "DDD" represents the highest potential for
             recovery on these bonds, and "D" represents the lowest potential
             for recovery.
 
 
                                       57
<PAGE>
 
   Plus (+) or Minus (-): Plus and minus signs are used with a rating symbol to
indicate the relative position of a credit within the rating category. Plus and
minus signs, however, are not used in the "DDD," "DD," or "D" categories.
 
Description of Fitch's Short-Term Ratings
 
   Fitch's short-term ratings apply to debt obligations that are payable on
demand or have original maturities of up to three years, including commercial
paper, certificates of deposit, medium-term notes, and municipal and investment
notes.
 
   The short-term rating places greater emphasis than a long-term rating on the
existence of liquidity necessary to meet the issuer's obligations in a timely
manner.
 
   Fitch short-term ratings are as follows:
 
F-1+         Exceptionally Strong Credit Quality. Issues assigned this rating
             are regarded as having the strongest degree of assurance for
             timely payment.
 
F-1          Very Strong Credit Quality. Issues assigned this rating reflect
             an assurance of timely payment only slightly less in degree than
             issues rated "F-1+."
 
F-2          Good Credit Quality. Issues assigned this rating have a
             satisfactory degree of assurance for timely payment, but the
             margin of safety is not as great as for issues assigned "F-1+"
             and "F-1" ratings.
 
F-3          Fair Credit Quality. Issues assigned this rating have
             characteristics suggesting that the degree of assurance for
             timely payment is adequate; however, near-term adverse changes
             could cause these securities to be rated below investment grade.
 
F-S          Weak Credit Quality. Issues assigned this rating have
             characteristics suggesting a minimal degree of assurance for
             timely payment and are vulnerable to near-term adverse changes in
             financial and economic conditions.
 
D            Default. Issues assigned this rating are in actual or imminent
             payment default.
 
LOC          The symbol "LOC" indicates that the rating is based on a letter
             of credit issued by a commercial bank.
 
                                       58
<PAGE>
 
                                  APPENDIX III
 
                              PORTFOLIO INSURANCE
 
   Set forth below is further information with respect to the insurance
policies (the "Policies") that the Fund may obtain from several insurance
companies with respect to insured Florida Municipal Bonds and Municipal Bonds
held by the Fund. The Fund has no obligation to obtain any such Policies, and
the terms of any Policies actually obtained may vary significantly from the
terms discussed below.
 
   In determining eligibility for insurance, insurance companies will apply
their own standards. These standards correspond generally to the standards such
companies normally use in establishing the insurability of new issues of
Florida Municipal Bonds and Municipal Bonds and are not necessarily the
criteria that would be used in regard to the purchase of such bonds by the
Fund. The Policies do not insure (i) municipal securities ineligible for
insurance and (ii) municipal securities no longer owned by the Fund.
 
   The Policies do not guarantee the market value of the insured Florida
Municipal Bonds and Municipal Bonds or the value of the shares of the Fund. In
addition, if the provider of an original issuance insurance policy is unable to
meet is obligations under such policy or if the rating assigned to the
insurance claims-paying ability of any such insurer deteriorates, the insurance
company will not have any obligation to insure any issue held by the Fund that
is adversely affected by either of the above described events. In addition to
the payment of premiums, the Policies may require that the Fund notify the
insurance company as to all Florida Municipal Bonds and Municipal Bonds in the
Fund's portfolio and permit the insurance company to audit their records. The
insurance premiums will be payable monthly by the Fund in accordance with a
premium schedule to be furnished by the insurance company at the time the
Policies are issued. Premiums are based upon the amounts covered and the
composition of the portfolio.
 
   The insurance companies used by the Fund will have insurance claims-paying
ability ratings of AAA from Standard & Poor's ("S&P") or Fitch IBCA, Inc.
("Fitch") or Aaa from Moody's Investors Service, Inc. ("Moody's").
 
   An S&P insurance claims-paying ability rating is an assessment of an
operating insurance company's financial capacity to meet obligations under an
insurance policy in accordance with the terms. An insurer with an insurance
claims-paying ability rating of AAA has the highest rating assigned by S&P or
Fitch. Capacity to honor insurance contracts is considered by S&P and Fitch to
be extremely strong and highly likely to remain so over a long period of time.
A Moody's insurance claims-paying ability rating is an opinion of the ability
of an insurance company to repay punctually senior policyholder obligations and
claims. An insurer with an insurance claims-paying ability rating of Aaa is
considered by Moody's to be of the best quality. In the opinion of Moody's, the
policy obligations of an insurance company with an insurance claims-paying
ability rating of Aaa carry the smallest degree of credit risk and, while the
financial strength of these companies is likely to change, such changes as can
be visualized are most unlikely to impair the company's fundamentally strong
position. A Fitch insurance claims-paying ability rating provides an assessment
of an insurance company's financial strength and, therefore, its ability to pay
policy and contract claims under the terms indicated. An insurer with an
insurance claims-paying ability rating of AAA has the highest rating assigned
by Fitch. The ability to pay claims is adjudged by Fitch to be extremely strong
for insurance companies with this highest rating. In the opinion of Fitch,
foreseeable business and economic risk factors should not have any material
adverse impact on the ability of these insurers to pay claims. In Fitch's
opinion, profitability, overall balance
 
                                       59
<PAGE>
 
sheet strength, capitalization and liquidity are all at very secure levels and
are unlikely to be affected by potential adverse underwriting, investment or
cyclical events.
 
   An insurance claims-paying ability rating of S&P, Fitch or Moody's does not
constitute an opinion on any specific contract in that such an opinion can only
be rendered upon the review of the specific insurance contract. Furthermore, an
insurance claims-paying ability rating does not take into account deductibles,
surrender or cancellation penalties or the timeliness of payment; nor does it
address the ability of a company to meet nonpolicy obligations (i.e., debt
contracts).
 
   The assignment of ratings by S&P, Fitch or Moody's to debt issues that are
fully or partially supported by insurance policies, contracts or guarantees is
a separate process from the determination of claims-paying ability ratings. The
likelihood of a timely flow of funds from the insurer to the trustee for the
bondholders is a key element in the rating determination for such debt issues.
 
                                       60
<PAGE>
 
                                  APPENDIX IV
 
                       TAXABLE EQUIVALENT YIELDS FOR 1999
 
<TABLE>
<CAPTION>
      Taxable Income*                             A Tax-Exempt Yield of
- ----------------------------              --------------------------------------
 Single                      1999 Federal
 Return      Joint Return    Tax Bracket  5.00% 5.50% 6.00% 6.50%  7.00%  7.50%
 ------    ----------------- ------------ ----- ----- ----- ------ ------ ------
                                              is equal to a taxable yield of
<S>        <C>               <C>          <C>   <C>   <C>   <C>    <C>    <C>
$ 25,751-
 $ 62,450  $ 43,051-$104,050    28.00%    6.94% 7.64% 8.33%  9.03%  9.72% 10.42%
$ 62,451-
 $130,250  $104,051-$158,550    31.00%    7.25% 7.97% 8.70%  9.42% 10.14% 10.87%
$130,251-
 $283,150  $158,551-$283,150    36.00%    7.81% 8.59% 9.38% 10.16% 10.94% 11.72%
Over
 $283,150  Over $283,150        39.60%    8.28% 9.11% 9.93% 10.76% 11.59% 12.42%
</TABLE>
- --------
* Because Florida does not impose a personal income tax, this table reflects
  only the effect of exemption from Federal income tax. An investor's marginal
  tax rate may exceed the rates shown in the above table due to the reduction,
  or possible elimination, of the personal exemption deduction for high-income
  taxpayers and an overall limit on itemized deductions. Income also may be
  subject to certain state and local taxes. For investors who pay alternative
  minimum tax, tax-exempt yields may be equivalent to lower taxable yields than
  those shown above. The tax rates shown above do not apply to corporate
  taxpayers. The tax characteristics of the Fund are described more fully
  elsewhere in this prospectus. Consult your tax adviser for further details.
  This chart is for illustrative purposes only and cannot be taken as an
  indication of anticipated Fund performance.
 
                                       61
<PAGE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
   
   Through and including April 26, 1999 (the 90th day after the date of this
prospectus), all dealers effecting transactions in these securities, whether or
not participating in this offering, may be required to deliver a prospectus.
This is in addition to the dealers' obligation to deliver a prospectus when
acting underwriters and with respect to their unsold allotments or
subscriptions.     
                                
                             8,100,000 Shares     
 
                      MuniHoldings Florida Insured Fund IV
 
                                 Common Shares
 
                               ----------------
 
                                   PROSPECTUS
 
                               ----------------
 
                              Merrill Lynch & Co.
                                
                             January 26, 1999     
                                                               
                                                            CODE 19049-0199     
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
 
                                     PART C
 
                               OTHER INFORMATION
 
Item 24. Financial Statements and Exhibits.
 
   (1) Financial Statements
 
    Report of Independent Auditors
       
    Statement of Assets, Liabilities and Capital as of January 13, 1999     
       
  (2) Exhibits:
 
    (a)--Declaration of Trust(a)
    (b)--By-Laws(a)
    (c)--Not applicable
    (d)(1)--Portions of the Declaration of Trust and By-Laws of the
           Registrant defining the rights of holders of shares of the
           Registrant(b)
       
    (d)(2)--Form of specimen certificate for Common Shares of the
    Registrant(c)     
       
    (e)--Form of Automatic Dividend Reinvestment Plan(c)     
    (f)--Not applicable
       
    (g)--Form of Investment Advisory Agreement between the Fund and Fund
           Asset Management, L.P.(c)     
       
    (h)(1)--Form of Purchase Agreement between the Fund and Merrill Lynch,
           Pierce, Fenner & Smith Incorporated(c)     
       
    (h)(2)--Merrill Lynch Standard Dealer Agreement(c)     
    (i)--Not applicable
       
    (j)--Form of Custodian Contract between the Fund and State Street Bank
    and Trust Company(c)     
       
    (k)--Form of Registrar, Transfer Agency and Service Agreement between
           the Fund and State Street Bank and Trust Company(c)     
    (l)--Opinion and Consent of Brown & Wood LLP
    (m)--Not applicable
    (n)(1)--Opinion and Consent of Holland & Knight LLP
       
    (n)(2)--Consent of Ernst & Young LLP, independent auditors for the Fund
        
    (o)--Not applicable
       
    (p)--Certificate of Fund Asset Management, L.P.     
    (q)--Not applicable
    (r)--Not applicable
- --------
   
(a) Filed on December 4, 1998 as an exhibit to the Registrant's Registration
    Statement on Form N-2 (File No. 333-69393).     
(b) Reference is made to Section 3.4, Article V, Article VI (sections 1, 2, 4,
    5 and 7), Article VIII, Article IX and Article X of the Registrant's
    Declaration of Trust, filed as Exhibit (a) to this Registration Statement;
    and to Article II, Article III (sections 1, 2, 3, 5 and 17), Article VI,
    Article VII, Article XII, Article XIII and Article XIV of the Registrant's
    By-Laws, filed as Exhibit (b) to this Registration Statement.
   
(c) Filed on December 15, 1998 as an exhibit to Pre-Effective Amendment No. 1
    to the Registrant's Registration Statement on Form N-2 (File No. 333-
    68393).     
 
Item 25. Marketing Arrangements.
 
   See Exhibits (h)(1) and (h)(2).
 
                                      C-1
<PAGE>
 
Item 26. Other Expenses of Issuance and Distribution.
 
   The following table sets forth the estimated expenses to be incurred in
connection with the offering described in this Registration Statement:
 
<TABLE>   
   <S>                                                                 <C>
   Registration fees.................................................. $ 38,844
   New York Stock Exchange listing fee................................   95,800
   Printing (other than share certificates)...........................   35,000
   Engraving and printing share certificates..........................   20,000
   Legal fees and expenses............................................   55,000
   Accounting fees and expenses.......................................    7,000
   NASD fees..........................................................   14,473
   Miscellaneous......................................................    3,883
                                                                       --------
     Total............................................................ $270,000
                                                                       ========
</TABLE>    
 
Item 27. Persons Controlled by or Under Common Control with Registrant.
 
   The information in the prospectus under the captions "Investment Advisory
and Management Arrangements" and "Description of Capital Shares--Common Shares"
and in Note 1 to the Statement of Assets, Liabilities and Capital is
incorporated herein by reference.
 
Item 28. Number of Holders of Securities.
 
   There will be one record holder of the common shares, par value $0.10 per
share, as of the effective date of this Registration Statement.
 
Item 29. Indemnification.
 
   Section 5.3 of the Registrant's Declaration of Trust provides as follows:
 
    "The Trust shall indemnify each of its Trustees, officers, employees, and
  agents (including persons who serve at its request as directors, officers
  or trustees of another organization in which it has any interest as a
  shareholder, creditor or otherwise) against all liabilities and expenses
  (including amounts paid in satisfaction of judgments, in compromise, as
  fines and penalties, and as counsel fees) reasonably incurred by him in
  connection with the defense or disposition of any action, suit or other
  proceeding, whether civil or criminal, in which he may be involved or with
  which he may be threatened, while in office or thereafter, by reason of his
  being or having been such a trustee, officer, employee or agent, except
  with respect to any matter as to which he shall have been adjudicated to
  have acted in bad faith, willful misfeasance, gross negligence or reckless
  disregard of his duties; provided, however, that as to any matter disposed
  of by a compromise payment by such person, pursuant to a consent decree or
  otherwise, no indemnification either for said payment or for any other
  expenses shall be provided unless the Trust shall have received a written
  opinion from independent legal counsel approved by the Trustees to the
  effect that if either the matter of willful misfeasance, gross negligence
  or reckless disregard of duty, or the matter of good faith and reasonable
  belief as to the best interests of the Trust, had been adjudicated, it
  would have been adjudicated in favor of such person. The rights accruing to
  any person under these provisions shall not exclude any other right to
  which he may be lawfully entitled; provided that no person may satisfy any
  right of indemnity or reimbursement granted herein or in Section 5.1 or to
  which he may be otherwise entitled except out of the property of the Trust,
  and no Shareholder shall be personally liable to any person with respect to
  any claim for indemnity or reimbursement or otherwise. The Trustees may
  make advance payments in connection with indemnification under this Section
  5.3, provided that the indemnified person shall have given a written
  undertaking to reimburse the Trust in the event it is subsequently
  determined that he is not entitled to such indemnification."
 
                                      C-2
<PAGE>
 
   The Registrant's By-Laws provide that insofar as the conditional advancing
of indemnification moneys pursuant to Section 5.3 of the Declaration of Trust
for actions based upon the Investment Company Act of 1940 may be concerned,
such payments will be made only on the following conditions: (i) the advances
must be limited to amounts used, or to be used, for the preparation or
presentation of a defense to the action, including costs connected with the
preparation of a settlement; (ii) advances may be made only upon receipt of a
written promise by, or on behalf of, the recipient to repay that amount of the
advance which exceeds the amount to which it is ultimately determined he is
entitled to receive from the Registrant by reason of indemnification; and (iii)
(a) such promise must be secured by a surety bond, other suitable insurance or
an equivalent form of security which assures that any repayments may be
obtained by the Registrant without delay or litigation, which bond, insurance
or other form of security must be provided by the recipient of the advance, or
(b) a majority of a quorum of the Registrant's disinterested, non-party
Trustees, or an independent legal counsel in a written opinion, shall
determine, based upon a review of readily available facts, that the recipient
of the advance ultimately will be found entitled to indemnification.
 
   In Section 8 of the Distribution Agreement relating to the securities being
offered hereby, the Registrant agrees to indemnify the Distributor and each
person, if any, who controls the Distributor within the meaning of the
Securities Act of 1933 (the "1933 Act"), against certain types of civil
liabilities arising in connection with the Registration Statement or
Prospectus.
 
   Insofar as indemnification for liabilities arising under the Securities Act
of 1933, as amended (the "1933 Act") may be provided to trustees, officers and
controlling persons of the Fund, pursuant to the foregoing provisions or
otherwise, the Fund has been advised that in the opinion of the Securities and
Exchange Commission, such indemnification is against public policy as expressed
in the Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the Fund of
expenses incurred or paid by a trustee, officer or controlling person of the
Fund in connection with any successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the Fund will, unless in the
opinion of its counsel the matter has been settled by controlling precedent,
submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.
 
   Reference is made to Section Six of the Purchase Agreement, a form of which
will be filed as Exhibit (h)(1) hereto, for provisions relating to the
indemnification of the underwriter.
 
Item 30. Business and Other Connections of the Investment Adviser.
 
   Fund Asset Management, L.P. (the "Investment Adviser") acts as investment
adviser for the following open-end registered investment companies: CBA Money
Fund, CMA Government Securities Fund, CMA Money Fund, CMA Multi-State Municipal
Series Trust, CMA Tax-Exempt Fund, CMA Treasury Fund, The Corporate Fund
Accumulation Program, Inc., Financial Institutions Series Trust, Merrill Lynch
Basic Value Fund, Inc., Merrill Lynch California Municipal Series Trust,
Merrill Lynch Corporate Bond Fund, Inc., Merrill Lynch Corporate High Yield
Fund, Inc., Merrill Lynch Emerging Tigers Fund, Inc., Merrill Lynch Federal
Securities Trust, Merrill Lynch Funds for Institutions Series, Merrill Lynch
Multi-State Limited Maturity Municipal Series Trust, Merrill Lynch Multi-State
Municipal Series Trust, Merrill Lynch Municipal Bond Fund, Inc., Merrill Lynch
Phoenix Fund, Inc., Merrill Lynch Special Value Fund, Inc., Merrill Lynch World
Income Fund, Inc., and The Municipal Fund Accumulation Program, Inc., and for
the following closed-end registered investment companies: Apex Municipal Fund,
Inc., Corporate High Yield Fund, Inc., Corporate High Yield Fund II, Inc.,
Corporate High Yield Fund III, Inc., Debt Strategies Fund, Inc., Debt
Strategies Fund II, Inc., Debt Strategies Fund III, Inc., Income Opportunities
Fund 1999, Inc., Income Opportunities Fund 2000, Inc., Merrill Lynch Municipal
Strategy Fund, Inc., MuniAssets Fund, Inc., MuniEnhanced Fund, Inc.,
MuniHoldings Fund, Inc., MuniHoldings Fund II, Inc., MuniHoldings California
Insured Fund, Inc., MuniHoldings California Insured Fund II, Inc., MuniHoldings
California Insured Fund III, Inc., MuniHoldings Florida Insured Fund,
MuniHoldings Florida Insured Fund II, MuniHolding Florida Insured Fund III,
 
                                      C-3
<PAGE>
 
MuniHoldings Insured Fund, Inc., MuniHoldings New Jersey Insured Fund, Inc.,
MuniHoldings New Jersey Insured Fund II, Inc., MuniHoldings New York Fund,
Inc., MuniHoldings New York Insured Fund, Inc., MuniHoldings New York Insured
Fund II, Inc., MuniInsured Fund, Inc., MuniVest Fund, Inc., MuniVest Fund II,
Inc., MuniVest Florida Fund, MuniVest Michigan Insured Fund, Inc., MuniVest New
Jersey Fund, Inc., MuniVest Pennsylvania Insured Fund, MuniYield Arizona Fund,
Inc., MuniYield California Fund, Inc., MuniYield California Insured Fund, Inc.,
MuniYield California Insured Fund II, Inc., MuniYield Florida Fund, MuniYield
Florida Insured Fund, MuniYield Fund, Inc., MuniYield Insured Fund, Inc.,
MuniYield Michigan Fund, Inc., MuniYield Michigan Insured Fund, Inc., MuniYield
New Jersey Fund, Inc., MuniYield New Jersey Insured Fund, Inc., MuniYield New
York Insured Fund, Inc., MuniYield New York Insured Fund II, Inc., MuniYield
Pennsylvania Fund, MuniYield Quality Fund, Inc., MuniYield Quality Fund II,
Inc., Senior High Income Portfolio, Inc. and Worldwide DollarVest Fund, Inc.
 
   Merrill Lynch Asset Management, L.P. ("MLAM"), an affiliate of the
Investment Adviser, acts as the investment adviser for the following open-end
registered investment companies: Merrill Lynch Adjustable Rate Securities Fund,
Inc., Merrill Lynch Americas Income Fund, Inc., Merrill Lynch Asset Builder
Program, Inc., Merrill Lynch Asset Growth Fund, Inc., Merrill Lynch Asset
Income Fund, Inc., Merrill Lynch Capital Fund, Inc., Merrill Lynch Convertible
Fund, Inc., Merrill Lynch Developing Capital Markets Fund, Inc., Merrill Lynch
Dragon Fund, Inc., Merrill Lynch EuroFund, Merrill Lynch Fundamental Growth
Fund, Inc., Merrill Lynch Global Bond Fund for Investment and Retirement,
Merrill Lynch Global Allocation Fund, Inc., Merrill Lynch Global Growth Fund,
Inc., Merrill Lynch Global Holdings, Merrill Lynch Global Resources Trust,
Merrill Lynch Global SmallCap Fund, Inc., Merrill Lynch Global Technology Fund,
Inc., Merrill Lynch Global Utility Fund, Inc., Merrill Lynch Global Value Fund,
Inc., Merrill Lynch Growth Fund, Merrill Lynch Healthcare Fund, Inc., Merrill
Lynch Index Funds, Inc., Merrill Lynch Intermediate Government Bond Fund,
Merrill Lynch International Equity Fund, Merrill Lynch Latin America Fund,
Inc., Merrill Lynch Middle East/Africa Fund, Inc., Merrill Lynch Municipal
Series Trust, Merrill Lynch Pacific Fund, Inc., Merrill Lynch Ready Assets
Trust, Merrill Lynch Real Estate Fund, Inc., Merrill Lynch Retirement Series
Trust, Merrill Lynch Series Fund, Inc., Merrill Lynch Short-Term Global Income
Fund, Inc., Merrill Lynch Strategic Dividend Fund, Merrill Lynch Technology
Fund, Inc., Merrill Lynch U.S. Treasury Money Fund, Merrill Lynch U.S.A.
Government Reserves, Merrill Lynch Utility Income Fund, Inc., Merrill Lynch
Variable Series Funds, Inc. and Hotchkis and Wiley Funds (advised by Hotchkis
and Wiley, a division of MLAM); and for the following closed-end registered
investment companies: Merrill Lynch High Income Municipal Bond Fund, Inc. and
Merrill Lynch Senior Floating Rate Fund, Inc. MLAM also acts as sub-adviser to
Merrill Lynch World Strategy Portfolio and Merrill Lynch Basic Value Equity
Portfolio, two investment portfolios of EQ Advisors Trust.
 
   The address of each of these investment companies is P.O. Box 9011,
Princeton, New Jersey 08543-9011, except that the address of Merrill Lynch
Funds for Institutions Series and Merrill Lynch Intermediate Government Bond
Fund is One Financial Center, 23rd Floor, Boston, Massachusetts 02110-2646. The
address of the Investment Adviser, FAM, Princeton Services, Inc. ("Princeton
Services") and Princeton Administrators, L.P. is also P.O. Box 9011, Princeton,
New Jersey 08543-9011. The address of Princeton Funds Distributor, Inc. ("PFD")
and of Merrill Lynch Funds Distributor ("MLFD") is P.O. Box 9081, Princeton,
New Jersey 08543-9081. The address of Merrill Lynch, Pierce, Fenner & Smith
Incorporated ("Merrill Lynch") and Merrill Lynch & Co., Inc. ("ML&Co.") is
World Financial Center, 250 Vesey Street, New York, New York 10281. The address
of Financial Data Services, Inc. ("FDS") is 4800 Deer Lake Drive East,
Jacksonville, Florida 32246-6484.
 
   Set forth below is a list of each executive officer and partner of the
Investment Adviser indicating each business, profession, vocation or employment
of a substantial nature in which each such person or entity has been engaged
for the past two years for his or her or its own account or in the capacity of
director, officer, employee, partner or trustee. In addition, Mr. Zeikel is
President, Mr. Richard is Treasurer and Mr. Glenn is Executive Vice President
of all or substantially all of the investment companies described in the
preceding paragraphs and also hold the same positions with all or substantially
all of the investment companies advised by MLAM as they do with those advised
by the Investment Adviser. Messrs. Giordano, Harvey, Kirstein and Monagle are
officers of one or more of such companies.
 
                                      C-4
<PAGE>
 
<TABLE>   
<CAPTION>
                             Positions with         Other Substantial Business, Profession,
          Name             Investment Adviser               Vocation or Employment
          ----             ------------------       ---------------------------------------
 <C>                    <C>                      <S>
 ML & Co. ............. Limited Partner          Financial Services Holding Company; Limited
                                                 Partner of MLAM
 Princeton Services.... General Partner          General Partner of MLAM
 Arthur Zeikel......... Chairman                 Chairman of MLAM; President of MLAM and FAM
                                                 from 1977 to 1997; Chairman and Director of
                                                 Princeton Services; President of Princeton
                                                 Services from 1993 to 1997; Executive Vice
                                                 President of ML & Co.
 Jeffrey M. Peek....... President                President of MLAM; President and Director of
                                                 Princeton Services; Executive Vice President
                                                 of ML & Co.; Managing Director and Co-Head
                                                 of the Investment Banking Division of
                                                 Merrill Lynch in 1997; Senior Vice President
                                                 and Director of the Global Securities and
                                                 Economics Division of Merrill Lynch from
                                                 1995 to 1997
 Terry K. Glenn........ Executive Vice President Executive Vice President of MLAM; Executive
                                                 Vice President and Director of Princeton
                                                 Services; President and Director of PFD;
                                                 Director of FDS; President of Princeton
                                                 Administrators, L.P.
 Mark A. Desario....... Senior Vice President    Senior Vice President MLAM; Senior Vice
                                                 President of Princeton Services
 Linda L. Federici..... Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                 President of Princeton Services
 Vincent R. Giordano... Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                 President of Princeton Services
 Elizabeth A. Griffin.. Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                 President of Princeton Services
 Norman R. Harvey...... Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                 President of Princeton Services
 Michael J.             Senior Vice President,   Senior Vice President, General Counsel and
  Hennewinkel..........  General Counsel and     Secretary of MLAM; Senior Vice President of
                         Secretary               Princeton Services
 Philip L. Kirstein.... Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                 President, Director and Secretary of
                                                 Princeton Services
 Ronald M. Kloss....... Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                                 President of Princeton Services
 Debra W.               Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Landsman-Yaros.......                          President of Princeton Services; Vice
                                                 President of PFD
 Stephen M. M. Miller.. Senior Vice President    Executive Vice President of Princeton
                                                 Administrators, L.P.; Senior Vice President
                                                 of Princeton Services
 Joseph T. Monagle,     Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Jr...................                          President of Princeton Services
</TABLE>    
       
                                      C-5
<PAGE>
 
<TABLE>   
<CAPTION>
                            Positions with         Other Substantial Business, Profession,
          Name            Investment Adviser               Vocation or Employment
          ----            ------------------       ---------------------------------------
 <C>                    <C>                     <S>
 Brian A. Murdock...... Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                President of Princeton Services
 Gerald M. Richard..... Senior Vice President   Senior Vice President and Treasurer of MLAM;
                         and Treasurer          Senior Vice President and Treasurer of
                                                Princeton Services; Vice President and
                                                Treasurer of PFD
 Gregory D. Upah....... Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                President of Princeton Services
 Ronald L. Welburn..... Senior Vice President   Senior Vice President of MLAM; Senior Vice
                                                President of Princeton Services
</TABLE>    
 
Item 31. Location of Account and Records.
 
   All accounts, books and other documents required to be maintained by Section
31(a) of the Investment Company Act of 1940, as amended, and the rules
promulgated thereunder are maintained at the offices of the registrant (800
Scudders Mill Road, Plainsboro, New Jersey 08536), its investment adviser (800
Scudders Mill Road, Plainsboro, New Jersey 08536), and its custodian and
transfer agent.
 
Item 32. Management Services.
 
   Not applicable.
 
Item 33. Undertakings.
 
   (a) Registrant undertakes to suspend the offering of the common shares
covered hereby until it amends its prospectus contained herein if (1)
subsequent to the effective date of this Registration Statement, its net asset
value per common share declines more than 10% from its net asset value per
common share as of the effective date of this Registration Statement, or (2)
its net asset value per common share increases to an amount greater than its
net proceeds as stated in the prospectus contained herein.
 
   (b) Registrant undertakes that:
 
    (1) For purposes of determining any liability under the 1933 Act, the
  information omitted from the form of prospectus filed as part of this
  Registration Statement in reliance upon Rule 430A and contained in the form
  of prospectus filed by the registrant pursuant to Rule 497(h) under the
  1933 Act shall be deemed to be part of this Registration Statement as of
  the time it was declared effective.
 
    (2) For the purpose of determining any liability under the 1933 Act, each
  post-effective amendment that contains a form of prospectus shall be deemed
  to be a new registration statement relating to the securities offered
  therein, and the offering of such securities at that time shall be deemed
  to be the initial bona fide offering thereof.
 
                                      C-6
<PAGE>
 
                                   SIGNATURES
   
   Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, the Registrant has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the Township of Plainsboro, and State of New Jersey, on the
26th day of January 1999.     
 
                                          MUNIHOLDINGS FLORIDA INSURED FUND IV
                                           (Registrant)
 
                                                     /s/ Arthur Zeikel
                                          By__________________________________
                                                (Arthur Zeikel, President)
 
   Each person whose signature appears below hereby authorizes Arthur Zeikel,
Terry K. Glenn or Gerald M. Richard, or any of them, as attorney-in-fact, to
sign on his or her behalf, individually and in each capacity stated below, any
amendment to this Registration Statement (including post-effective amendments)
and to file the same, with all exhibits thereto, with the Securities and
Exchange Commission.
 
   Pursuant to the requirements of the Securities Act of 1933, this
Registration Statement has been signed below by the following persons in the
capacities and on the date(s) indicated.
 
<TABLE>    
<S>  <C>

             Signatures                         Title                Date
 
          /s/ Arthur Zeikel             President and            
- -------------------------------------    Trustee                 January 26,
           (Arthur Zeikel)              (Principal Executive      1999 
                                         Officer)
 
                                        Treasurer (Principal     
      /s/ Donald C. Burke                Financial and           January 26,
- -------------------------------------    Accounting Officer)      1999 
       (Donald C. Burke) 
 
                                        Trustee                
      /s/ Ronald W. Forbes                                       January 26, 
- -------------------------------------                             1999
         (Ronald W. Forbes)
 
                                        Trustee                  
   /s/ Cynthia A. Montgomery                                     January 26,
- -------------------------------------                             1999 
       (Cynthia A. Montgomery)
 
                                        Trustee                  
     /s/ Charles C. Reilly                                       January 26,
- -------------------------------------                             1999 
         (Charles C. Reilly)
 
                                        Trustee                  
       /s/ Kevin A. Ryan                                         January 26,
- -------------------------------------                             1999 
           (Kevin A. Ryan)
 
                                        Trustee                  
      /s/ Richard R. West                                        January 26,
- -------------------------------------                             1999 
          (Richard R. West)
</TABLE>      
 
                                      C-7
<PAGE>
 
                                 Exhibit Index
 
<TABLE>   
<CAPTION>
 Exhibit
 Number  Exhibit Name
 ------- ------------
 <C>     <S>
 (l)     Opinion and Consent of Brown & Wood LLP
 (n)(1)  Opinion and Consent of Holland & Knight LLP
 (n)(2)  Consent of Ernst & Young LLP, independent auditors for the Fund
 (p)     Certificate of Fund Asset Management, L.P.
</TABLE>    
       
       
       

<PAGE>

                                                                     EXHIBIT (L)
                                BROWN & WOOD LLP
                             ONE WORLD TRADE CENTER
                         NEW YORK, NEW YORK  10048-0557

                                        

                                             January 26, 1999

MuniHoldings Florida Insured Fund IV
800 Scudders Mill Road
Plainsboro, New Jersey 08536

Dear Sirs:

     This opinion is furnished in connection with the registration by
MuniHoldings Florida Insured Fund IV, a Massachusetts business trust (the
"Fund"), of shares of beneficial interest, par value $.01 per share (the
"Shares"), under the Securities Act of 1933, as amended, pursuant to a
registration statement on Form N-2 (File No. 333-68393), as amended (the
"Registration Statement"), in the amounts set forth under "Amount Being
Registered" on the facing page of the Registration Statement.

     As counsel for the Fund, we are familiar with the proceedings taken by it
in connection with the authorization, issuance and sale of the Shares.  In
addition, we have examined and are familiar with the Declaration of Trust, as
amended, of the Fund, the By-laws of the Fund, and such other documents as we
have deemed relevant to the matters referred to in this opinion.

     Based upon the foregoing, we are of the opinion that the Shares, upon
issuance and sale in the manner referred to in the Registration Statement, will
be legally issued, fully paid and non-assessable common shares of beneficial
interest of the Fund.

     We hereby consent to the filing of this opinion as an exhibit to the
Registration Statement and to the use of our name in the Prospectus constituting
a part thereof.

                                             Very truly yours,

                                             /s/ Brown & Wood LLP

<PAGE>
 
                      [LETTERHEAD OF HOLLAND & KNIGHT LLP]


January 26, 1999

MuniHoldings Florida Insured Fund IV
800 Scudders Mill Road
Plainsboro, New Jersey 08536

Gentlemen:

     You have requested our opinion as special Florida tax counsel to
MuniHoldings Florida Insured Fund IV (the "Fund") concerning the Florida
intangible personal property tax (the "Intangible Tax") treatment of Fund shares
owned by Florida residents.

                              FACTS AND ASSUMPTIONS

     In rendering this opinion, we have reviewed the Registration Statement for
the Fund dated January 26, 1999 (the "Registration Statement"). We have assumed
that the statements contained in the Registration Statement provide an accurate
and complete description of the facts and circumstances concerning the
establishment and operation of the Fund. We have made no independent
determination regarding such facts and circumstances and, therefore, have relied
upon the Registration Statement for purposes of this letter. Any changes to the
Registration Statement may affect the conclusions stated herein.

                                   DISCUSSION

     Chapter 199, Florida Statutes, imposes an annual tax of 2.0 mills on each
dollar of the just valuation of intangible personal property which has a taxable
situs in Florida.  See Fla. Stat. (S) 199.032. The annual intangible tax does
                   ---
not apply, however, to notes and other obligations for the payment of money that
are secured by a mortgage or other lien upon real property situated in Florida.
Id.
- --
<PAGE>
 
MuniHoldings Florida Insured Fund IV
January 26, 1999
Page 2

     Intangible personal property is subject to the annual tax at its just
valuation as of January 1 of each year. Fla. Stat. (S) 199.103. Unless exempt,
shares or units of companies or trusts registered under the Investment Company
Act of 1940, as amended, are valued at the net asset value of such shares or
units on the last businesa day of the previous calendar year. Fla. Stat. (S)
199.103(2).

     Intangible personal property has a taxable situs in Florida if it is owned,
managed, or controlled by a Florida resident on January 1 of the tax year. In
addition, intangible personal property owned by a business or other artificial
entity can acquire a Florida taxable situs if the business or entity acquires a
"commercial domicile" in Florida. Fla. Stat. (S) 199-175(l)(b).

     Certain types of intangible personal property are exempt from the annual
intangible tax. For example, money is exempt from the tax. Fla, Stat. (S)
199.185(l) (a). For this purpose, the term "money" includes, without limitation,
United States legal tender, certificates of deposit, cashier's and certified
checks, bills of exchange, drafts, the cash equivalent of annuities and life
insurance policies, and similar instruments. Fla. Stat. (S) 199,023(2).

     In addition, notes, bonds, and other obligations issued by the State of
Florida or its municipalities, counties, and other taxing districts ("Florida
Municipal Bonds"), or by the United States government and its agencies are '
exempt from the tax. Fla. Stat. (S) 199.185(l)(d); see also 31 U.S.C. (S)
                                                   --- ----
3124(a). Units of an investment trust are exempt from the annual intangible tax
if the trust's portfolio of assets consists solely of assets exempt from the
annual intangible tax. Fla. Stat. (S) 199.185(l)(i). To qualify for the
exemption, the trust must be registered under the Investment Company Act of
1940, as amended. Id.
                  --

     The Florida statutory provisions do not specify the date on which the
exempt or non-exempt status of investment trust units is determined.
Nevertheless, the statutory provision requiring that investment trust units be
valued on the last business day of the previous calendar year suggests that such
day is the relevant date. Accordingly, if on such date, the Fund's portfolio of
investments consists solely of Florida Municipal Bonds, U.S. Government
Obligations, and other assets exempt from the Florida intangible tax, the entire
net asset value of a share of the Fund is exempt from the Florida intangible
tax.
<PAGE>
 
MuniHoldings Florida Insured Fund IV
January 26, 1999
Page 3


                                     OPINION

     Based upon the foregoing, we are of the opinion that if, at the close of
business on the last business day of the calendar year, the assets held by the
Fund consist solely of assets exempt from the Intangible Tax, then the Fund
shares owned by Florida residents will be exempt from Intangible Tax in the next
succeeding year.

                                SCOPE OF OPINION

     The scope of this opinion is expressly limited to the Florida Intangible
Tax consequences of ownership of Fund shares by Florida residents. Our opinion
has not been requested and none is expressed with respect to any other tax
consequences arising from the establishment or operation of the Fund or from the
ownership of Fund shares. The opinion stated in this letter is based upon the
existing provisions of the Florida Statutes and the Florida Administrative Code,
existing Florida court decisions, and current Florida Department of Revenue
published technical assistance advisements. Any of these authorities could be
changed at any time, and any such changes may be retroactive. Furthermore, such
a change could significantly modify the statements and conclusions expressed in
this letter.

     This letter is governed by, and shall be interpreted in accordance with,
the Legal Opinion Accord of the American Bar Association Section of Business Law
(1991) (the "Accord"). As a consequence, this letter is subject to a number of
qualifications, exceptions, definitions, limitations on coverage, and other
limitations, all as more particularly described in the Accord, and this letter
should be read in conjunction therewith.

     The advice contained in this letter represents our best judgment as to the
probable outcome of the tax issues discussed and is not binding on the be
Department of Revenue. Moreover, we can give no assurance that the Department of
Revenue will not challenge our conclusions. Although the conclusions we express
are based on our best interpretations of existing law and what we believe a
court would conclude if presented with the applicable issues, we can give no
assurance that our interpretations would be followed if the issues became the
subject of judicial or administrative proceedings. The conclusions stated in
this letter also assume that if any of our conclusions are challenged, the facts
and arguments in support of the conclusions will be properly presented and
appropriately argued before an administrative or judicial tribunal.
<PAGE>
 
MuniHoldings Florida Insured Fund IV
January 26, 1999
Page 4

     We consent to the filing of this opinion letter as an exhibit to the
Registration Statement. Finally, we have undertaken no obligation to update this
opinion for changes in facts or law occurring subsequent to the date of this
letter.

                                   Very truly yours,

                                   HOLLAND & KNIGHT LLP
                                   /s/ HOLLAND & KNIGHT LLP

DAW:If
TPA3-614114

<PAGE>
 
                                                                  EXHIBIT (n)(2)
 
                        CONSENT OF INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" and to the 
use of our report dated January 21, 1999, in this Registration Statement on 
Form N-2 under the Securities Act of 1933 (File No. 333-68393) and under the 
Investment Company Act of 1940 (File No. 811-09129) and related Prospectus of 
MuniHoldings Florida Insured Fund IV for the registration of its Common Shares.


                                        ERNST & YOUNG LLP


Princeton, New Jersey
January 22, 1999



<PAGE>
                                                                     EXHIBIT (P)
 
                     CERTIFICATE OF THE SOLE SHAREHOLDER OF
                      MUNIHOLDINGS FLORIDA INSURED FUND IV

     Fund Asset Management, L.P. ("FAM"), the holder of 6,667 common shares, par
value $0.10 per share, of MuniHoldings Florida Insured Fund IV (the "Fund"), a
Massachusetts business trust, does hereby confirm to the Fund its representation
that it purchased such shares for investment purposes, with no present intention
of redeeming or reselling any portion thereof, and further agrees that if it
redeems (by tender offer or otherwise) any portion of such shares prior to the
amortization of the Fund's organizational expenses, the proceeds thereof will be
reduced by the proportionate amount of unamortized organizational expenses which
the number of shares being redeemed bears to the number of shares initially
purchased and outstanding at the time of redemption.  FAM further agrees that,
in the event such shares are sold or otherwise transferred to any other party,
prior to such sale or transfer FAM will obtain on behalf of the Fund an
agreement from such other party to comply with the foregoing as to the reduction
of redemption proceeds and to obtain a similar agreement from any transferee of
such party.

                                        FUND ASSET MANAGEMENT, L.P.

                                        By: /s/ Robert Harris
                                            --------------------------
                                            Name:  Robert Harris
                                            Title:  Assistant Secretary

Dated:  January 26, 1999


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