MUNIHOLDINGS CALIFORNIA INSURED FUND III INC
N-2/A, 1998-09-22
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<PAGE>
 
     
  AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 22, 1998
                                            
                                         SECURITIES ACT FILE NO. 333-61963     
                                    
                                 INVESTMENT COMPANY ACT FILE NO. 811-08973     
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- -------------------------------------------------------------------------------
 
                      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. 1     
[_]                      POST-EFFECTIVE AMENDMENT NO.
                                    AND/OR
[X]     REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940
                            
[X]                          AMENDMENT NO. 2     
                       (CHECK APPROPRIATE BOX OR BOXES)
 
                                --------------
 
                MUNIHOLDINGS CALIFORNIA INSURED FUND III, INC.
              (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 CALIFORNIA INSURED FUND III, INC.
             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:
                                                FRANK P. BRUNO, ESQ.
   MICHAEL J. HENNEWINKEL, 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
        TITLE OF              AMOUNT          MAXIMUM        MAXIMUM      AMOUNT OF
    SECURITIES BEING           BEING       OFFERING PRICE   AGGREGATE    REGISTRATION
       REGISTERED           REGISTERED        PER UNIT    OFFERING PRICE    FEE(2)
- -------------------------------------------------------------------------------------
<S>                      <C>               <C>            <C>            <C>
Common Stock ($.10 par       7,475,000
 value)...............       shares(1)         $15.00      $112,125,000   $33,076.88
</TABLE>    
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- -------------------------------------------------------------------------------
   
(1) Includes 975,000 shares subject to the Underwriter's over-allotment
    option.     
          
(2) Previously transmitted to the designated lockbox at Mellon Bank in
    Pittsburgh, PA.     
       
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<PAGE>
 
                MUNIHOLDINGS CALIFORNIA INSURED FUND III, INC.
 
                             CROSS REFERENCE SHEET
 
<TABLE>
<CAPTION>
ITEM NUMBER, FORM N-2                   CAPTION IN PROSPECTUS
- ---------------------                   ---------------------
<S>                                     <C>
PART A--INFORMATION REQUIRED IN A PROSPECTUS
 1.Outside Front Cover Page............ Outside Front Cover Page
 2.Inside Front and Outside Back Cover  
     Pages............................. Inside Front and Outside Back Cover
                                        Pages; Underwriting                 
 3.Fee Table and Synopsis.............. Prospectus Summary; Fee Table
 4.Financial Highlights................ Not Applicable
 5.Plan of Distribution................ Prospectus Summary; Net Asset Value;
                                        Underwriting
 6.Selling Shareholders................ Not Applicable
 7.Use of Proceeds..................... Use of Proceeds; Investment Objective
                                        and Policies
 8.General Description of the           
     Registrant........................ Prospectus Summary; The Fund;          
                                        Investment Objective and Policies;     
                                        Risks and Special Considerations of    
                                        Leverage; Investment Restrictions;     
                                        Dividends and Distributions; Automatic 
                                        Dividend Reinvestment Plan; Mutual Fund
                                        Investment Option                       
 9.Management.......................... Directors and Officers; Investment
                                        Advisory and Management Arrangements;
                                        Custodian; Transfer Agent, Dividend
                                        Disbursing Agent and Registrar
10.Capital Stock, Long-Term Debt, and   
     Other Securities.................. Description of Capital Stock 
11.Defaults and Arrears on Senior       
     Securities........................ Not Applicable 
12.Legal Proceedings................... Not Applicable
13.Table of Contents of the Statement
     of Additional Information......... Not Applicable
PART B--INFORMATION REQUIRED IN A STATEMENT OF ADDITIONAL INFORMATION
14.Cover Page.......................... Not Applicable
15.Table of Contents................... Not Applicable
16.General Information and History..... Not Applicable
17.Investment Objective and Policies... Prospectus Summary; Investment
                                        Objective and Policies; Investment
                                        Restrictions
18.Management.......................... Directors and Officers; Investment
                                        Advisory and Management Arrangements
19.Control Persons and Principal        Investment Advisory and Management
     Holders of Securities............. Arrangements
20.Investment Advisory and Other        Investment Advisory and Management
     Services.......................... Arrangements; Custodian; Underwriting;
                                        Transfer Agent, Dividend Disbursing
                                        Agent and Registrar; Legal Opinions;
                                        Experts
21.Brokerage Allocation and Other       
     Practices......................... Portfolio Transactions 
22.Tax Status.......................... Taxes; Automatic Dividend Reinvestment
                                        Plan
23.Financial Statements................ Report of Independent Auditors;
                                        Statement of Assets, Liabilities and
                                        Capital
</TABLE>
 
PART C--OTHER INFORMATION
 
  Information required to be included in Part C is set forth under the
appropriate Item, so numbered, in Part C to this Registration Statement.
<PAGE>
 
       
PROSPECTUS
                                
                             6,500,000 SHARES     
 
                MUNIHOLDINGS CALIFORNIA INSURED FUND III, INC.
 
                                 COMMON STOCK
 
                               ----------------
 
  MuniHoldings California Insured Fund III, Inc. (the "Fund") is a newly
organized, non-diversified, closed-end management investment company that
seeks to provide shareholders with current income exempt from Federal and
California income taxes. The Fund seeks to achieve its investment 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 and California income taxes. The Fund intends
to invest in municipal obligations that are rated investment grade or, if
unrated, are considered by Fund Asset Management, L.P. (the "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.
Investors are advised to read this Prospectus carefully and retain it for
future reference.
 
  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. See "Prospectus Summary--Risk Factors and Special
Considerations."
 
  Within approximately three months after completion of the offering of Common
Stock described herein, the Fund intends to offer shares of preferred stock
representing approximately 40% of the Fund's capital immediately after the
issuance of such preferred stock. There can be no assurance, however, that
preferred stock representing such percentage of the Fund's capital will
actually be issued. INVESTORS SHOULD NOTE THE SPECIAL RISKS ASSOCIATED WITH
THE LEVERAGING OF THE COMMON STOCK. SEE "RISKS AND SPECIAL CONSIDERATIONS OF
LEVERAGE" AND "DESCRIPTION OF CAPITAL STOCK."
                                                       (Continued on next page)
 
 THESE  SECURITIES HAVE NOT  BEEN APPROVED OR  DISAPPROVED BY THE  SECURITIES
   AND EXCHANGE COMMISSION NOR HAS  THE COMMISSION PASSED UPON THE ACCURACY
     OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION
                    TO THE CONTRARY IS A CRIMINAL OFFENSE.
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<TABLE>   
<CAPTION>
                             PRICE TO           SALES LOAD          PROCEEDS TO
                              PUBLIC              (1)(2)              FUND(3)
- -------------------------------------------------------------------------------
<S>                     <C>                 <C>                 <C>
Per Share..............       $15.00               None               $15.00
- -------------------------------------------------------------------------------
Total(4)...............     $97,500,000            None             $97,500,000
</TABLE>    
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
   
(1) The Investment Adviser or an affiliate will pay the Underwriter a
    commission in the amount of 2.00% of the Price to Public per share in
    connection with the sale of shares of Common Stock offered hereby. See
    "Underwriting."     
(2) The Fund and the Investment Adviser have agreed to indemnify the
    Underwriter against certain liabilities under the Securities Act of 1933.
    See "Underwriting."
   
(3) Before deducting organizational and offering expenses payable by the Fund
    estimated at $282,500.     
   
(4) The Fund has granted the Underwriter an option to purchase up to an
    additional 975,000 shares to cover over-allotments. If all such shares are
    purchased, the total Price to Public and Proceeds to Fund will be
    $112,125,000. See "Underwriting."     
 
                               ----------------
   
  The shares are offered by the Underwriter, subject to prior sale, when, as
and if issued by the Fund and accepted by the Underwriter, subject to approval
of certain legal matters by counsel for the Underwriter and certain other
conditions. The Underwriter reserves the right to withdraw, cancel or modify
such offer and to reject orders in whole or in part. It is expected that
delivery of the shares will be made in New York, New York on or about
September 25, 1998.     
 
                               ----------------
                              MERRILL LYNCH & CO.
 
                               ----------------
               
            The date of this Prospectus is September 22, 1998.     
<PAGE>
 
(Continued from preceding page)
 
  The Fund may invest all or a portion of its assets in certain tax-exempt
securities classified as "private activity bonds" that may subject certain
investors in the Fund to an alternative minimum tax. At times, the Fund may
seek to hedge its portfolio through the use of options and futures
transactions. There can be no assurance that the investment objective of the
Fund will be realized. The Fund is designed primarily for long-term investors
and should not be considered a vehicle for trading purposes. The address of
the Fund is 800 Scudders Mill Road, Plainsboro, New Jersey 08536, and its
telephone number is (609) 282-2800.
   
  Prior to this offering, there has been no public market for the Common Stock
of the Fund. The Fund's shares of Common Stock have been approved for listing
on the New York Stock Exchange, subject to official notice of issuance.
However, during an initial period which is not expected to exceed two weeks
from the date of this Prospectus, the Fund's Common Stock will not be listed
on any securities exchange. During such period, the Underwriter does not
intend to make a market in the Fund's Common Stock. Consequently, it is
anticipated that an investment in the Fund will be illiquid during such
period.     
 
  The issuance of the preferred stock will result in leveraging of the Common
Stock. Although the terms of the preferred stock offering will be determined
by the Fund's Board of Directors, it is anticipated that the preferred stock
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)
and that the dividend rate will be based upon prevailing interest rates for
debt obligations of comparable maturity. The proceeds of the preferred stock
offering will be invested in longer-term obligations in accordance with the
Fund's investment objective. 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 the short-term and medium-term rates paid
by the Fund and the longer-term rates received by the Fund will provide
holders of Common Stock with a potentially higher yield.
 
  The Underwriter may engage in transactions that stabilize, maintain, or
otherwise affect the price of the Fund's Common Stock. Such transactions may
include stabilizing, the purchase of the Fund's Common Stock to cover short
positions and the imposition of penalty bids. For a description of these
activities, see "Underwriting."
 
                                       2
<PAGE>
 
                               PROSPECTUS SUMMARY
 
  The following summary is qualified in its entirety by reference to the more
detailed information included elsewhere in this Prospectus.
 
THE FUND    MuniHoldings California Insured Fund III, Inc. (the "Fund") is a
            newly organized, non-diversified, closed-end management investment
            company. See "The Fund."
 
THE            
OFFERING    The Fund is offering 6,500,000 shares of Common Stock at an initial
            offering price of $15.00 per share. The Common Stock is being
            offered by Merrill Lynch, Pierce, Fenner & Smith Incorporated
            ("Merrill Lynch" or the "Underwriter"). The Underwriter has been
            granted an option, exercisable for 45 days from the date of this
            Prospectus, to purchase up to 975,000 additional shares of Common
            Stock to cover over-allotments. See "Underwriting."     
 
INVESTMENT  The investment objective of the Fund is to provide shareholders
OBJECTIVE   with current income exempt from Federal and California income
AND         taxes. The Fund seeks to achieve its investment objective by
POLICIES    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 and California income
            taxes ("California Municipal Bonds"). The Fund intends to invest in
            municipal obligations that are rated investment grade or, if
            unrated, are considered by the Investment Adviser to be of
            comparable quality. The Fund will seek to achieve its investment
            objective by seeking to invest substantially all (a minimum of 80%)
            of its assets in California Municipal Bonds, except at times when,
            in the judgment of the Investment Adviser, California Municipal
            Bonds of sufficient quality and quantity are unavailable for
            investment at suitable prices by the Fund. At all times, except
            during interim periods pending investment of the net proceeds of
            public offerings of the Fund's securities and during temporary
            defensive periods, the Fund will maintain at least 65% of its
            assets in California Municipal Bonds and at least 80% of its assets
            in California Municipal Bonds and other long-term municipal
            obligations exempt from Federal income taxes, but not from
            California income taxes ("Municipal Bonds"). 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 does not ordinarily
            intend to realize significant investment income not exempt from
            Federal and California income taxes. See "Investment Objective and
            Policies."
 
LISTING        
            Prior to this offering, there has been no public market for the
            Common Stock of the Fund. The Fund's shares of Common Stock have
            been approved for listing on the New York Stock Exchange, subject
            to official notice of issuance. However, during an initial period
            which is not expected to exceed two weeks from the date of this
            Prospectus, the Fund's shares of Common Stock will not be listed on
            any securities exchange. During such period, the Underwriter does
            not intend to make a market in the Fund's shares of Common Stock.
            Consequently, it is anticipated that an investment in the Fund will
            be illiquid during such period. See "Underwriting."     
 
                                       3
<PAGE>
 
 
LEVERAGE    The Fund anticipates that it will be substantially invested in
            longer-term municipal obligations within approximately three months
            after completion of the offering of Common Stock described herein.
            To leverage the Common Stock, the Fund intends to offer shares of
            preferred stock within three months after completion of this
            offering representing approximately 40% of the Fund's capital
            immediately after the issuance of such preferred stock. There can
            be no assurance, however, that preferred stock representing such
            percentage of the Fund's capital will actually be issued. The
            issuance of the preferred stock will result in the leveraging of
            the Common Stock. Although the terms of the preferred stock
            offering will be determined by the Fund's Board of Directors, it is
            anticipated that the preferred stock 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) and
            that the dividend rate will be based upon prevailing interest rates
            for debt obligations of comparable maturity. The proceeds of the
            preferred stock offering will be invested in longer-term
            obligations in accordance with the Fund's investment objective.
            Issuance and ongoing expenses of the preferred stock will be borne
            by the Fund and will reduce the net asset value of the Common
            Stock. Additionally, under certain circumstances, when the Fund is
            required to allocate taxable income to holders of preferred stock,
            it is anticipated that the terms of the preferred stock 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 and such additional distribution (such amount,
            an "Additional Distribution").
 
            The use of leverage by the Fund creates an opportunity for
            increased net income, but, at the same time, creates special risks.
            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 the short-term and medium-term
            rates (and any Additional Distribution) paid by the Fund and the
            longer-term rates received by the Fund will provide holders of
            Common Stock with a potentially higher yield. Investors should
            note, however, that leverage creates certain risks for holders of
            Common Stock, including higher volatility of both the net asset
            value and market value of the Common Stock. Since any decline in
            the value of the Fund's investments will be borne entirely by
            holders of Common Stock, the effect of leverage in a declining
            market would result in a greater decrease in net asset value than
            if the Fund were not leveraged, which would likely be reflected in
            a decline in the market price for shares of Common Stock.
            Additionally, fluctuations in the dividend rates on, and the amount
            of taxable income allocable to, the preferred stock will affect the
            yield to holders of Common Stock. See "Risks and Special
            Considerations of Leverage." Upon issuance of the preferred stock,
            holders of the Common Stock will receive all net income of the Fund
            remaining after payment of dividends (and any Additional
            Distribution) on the preferred stock and will generally be entitled
            to a pro rata share of net realized capital gains. Upon any
            liquidation of the Fund, the holders of shares of preferred stock
            will be entitled to receive liquidating distributions (expected to
            equal the original purchase price per share of preferred stock plus
            any accumulated and unpaid dividends thereon and any accumulated
            and unpaid Additional Distribution) before any distribution is made
            to holders of Common Stock. See "Description of Capital Stock--
            Preferred Stock."
 
                                       4
<PAGE>
 
 
            Holders of preferred stock, voting as a separate class, will be
            entitled to elect two of the Fund's Directors, and holders of
            common and preferred stock, voting together as a single class, will
            be entitled to elect the remaining Directors. If, at any time,
            dividends on the Fund's preferred stock were to be in arrears in an
            amount equal to two full years of dividend payments, the holders of
            all outstanding shares of preferred stock, voting as a separate
            class, would be entitled to elect a majority of the Fund's
            Directors. The holders of preferred stock will also vote separately
            on certain other matters as required under the Fund's Articles of
            Incorporation, the Investment Company Act of 1940, as amended (the
            "1940 Act") and Maryland law, but otherwise will have equal voting
            rights with holders of Common Stock (one vote per share) and will
            vote together with holders of Common Stock as a single class. See
            "Description of Capital Stock--Preferred Stock--Voting Rights."
 
            There can be no assurance that the Fund will be able to realize a
            higher net return on its investment portfolio than the then current
            dividend rate (and any Additional Distribution) on the preferred
            stock. Changes in certain factors could cause the relationship
            between the short-term and medium-term dividend rates (and any
            Additional Distribution) paid by the Fund on the preferred stock
            and the long-term rates received by the Fund on its investment
            portfolio to change so that such short-term and medium-term rates
            (and any Additional Distribution) may substantially increase
            relative to rates on the long-term obligations in which the Fund
            may be invested. Under such conditions, the benefit of leverage to
            holders of Common Stock will be reduced, and the Fund's leveraged
            capital structure could result in a lower rate of return to holders
            of Common Stock than if the Fund were not leveraged. The Fund will
            have the authority to redeem the preferred stock for any reason and
            may redeem all or part of the preferred stock if it anticipates
            that the Fund's leveraged capital structure will result in a lower
            rate of return to holders of the Common Stock than that obtainable
            if the Common Stock were unleveraged for any significant amount of
            time.
            Prior to the time it offers the preferred stock, the Fund intends
            to apply for ratings on such stock from one or more nationally
            recognized statistical rating organizations ("NRSROs"). The Fund
            believes that obtaining a rating for the preferred stock will
            enhance the marketability of the preferred stock and thereby reduce
            the dividend rate on the preferred stock from that which the Fund
            would be required to pay if the preferred stock were not rated.
 
INVESTMENT     
ADVISER     Fund Asset Management, L.P. is the Fund's investment adviser and is
            responsible for the management of the Fund's investment portfolio
            and for providing administrative services to the Fund. For its
            services, the Fund pays the Investment Adviser a monthly fee at the
            annual rate of 0.55 of 1% of the Fund's average weekly net assets,
            including any proceeds from the issuance of preferred stock. The
            Investment Adviser is an affiliate of Merrill Lynch Asset
            Management, L.P. ("MLAM"), which is owned and controlled by Merrill
            Lynch & Co., Inc. ("ML & Co."). The Asset Management Group of ML &
            Co. (which includes the Investment Adviser) acts as the investment
            adviser for over 100 other registered management investment
            companies and offers portfolio management and portfolio analysis
            services to individuals and institutional accounts. As of August
            1998, the Asset Management Group had a total of     
 
                                       5
<PAGE>
 
                                                                               
               approximately $473 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.
               See "Investment Advisory and Management Arrangements."           
 
DIVIDENDS      The Fund intends to pay dividends monthly and to distribute     
AND            substantially all of its net investment income to holders of    
DISTRIBUTIONS  Common Stock. From and after issuance of the preferred stock,   
               monthly distributions to holders of Common Stock will consist of
               substantially all net investment income remaining after the     
               payment of dividends (and any Additional Distribution) on the   
               preferred stock. It is expected that the Fund will commence     
               paying dividends to holders of Common Stock within approximately
               90 days from the date of this Prospectus. Net capital gains, if 
               any, will be distributed at least annually to holders of Common 
               Stock and, after issuance of the preferred stock, on a pro rata 
               basis to holders of Common Stock and preferred stock. When      
               capital gains or other taxable income is allocated to holders of
               preferred stock under certain circumstances, it is anticipated  
               that the terms of the preferred stock will require the Fund to  
               make an Additional Distribution. The Fund is not permitted to   
               declare any cash dividend or other distribution on its Common   
               Stock unless asset coverage (as defined in the 1940 Act) with   
               respect to the Fund's preferred stock is at least 200%. If the  
               Fund issues preferred stock representing 40% of its capital     
               after the time of issuance, its asset coverage with respect to  
               the preferred stock will be approximately 250%. If the Fund's   
               ability to make distributions on its Common Stock is limited,   
               this 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 Stock. See "Taxes."                        
               
 
AUTOMATIC      All dividend and capital gains distributions will be
DIVIDEND       automatically reinvested in additional shares of Common Stock
REINVESTMENT   of the Fund unless a shareholder elects to receive cash.
PLAN           Shareholders whose shares are  held in the name of a broker or
               nominee should contactuch broker or nominee to confirm that 
               they may participate in the Fund'sdividend reinvestment plan.
               See "Automatic Dividend Reinvestment Plan."
 
MUTUAL         Purchasers of shares of Common Stock of the Fund through Merrill
FUND           Lynch in this offering will have an investment option 
INVESTMENT     consisting of the right to reinvest the net proceeds from a
OPTION         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 shares of Common Stock 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. See "Mutual Fund Investment Option."
 
                                       6
<PAGE>
 
                    RISK FACTORS AND SPECIAL CONSIDERATIONS
 
  The Fund is a newly organized, non-diversified, closed-end management
investment company and has no operating history. 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. Accordingly,
the Common Stock of the Fund is designed primarily for long-term investors and
should not be considered a vehicle for trading purposes. The net asset value of
the Fund's shares of Common Stock will fluctuate with interest rate changes as
well as with price changes of the Fund's portfolio securities, and these
fluctuations are likely to be greater in the case of a fund having a leveraged
capital structure, as contemplated for the Fund. See "Risks and Special
Considerations of Leverage."
 
  The Fund intends to invest a substantial portion of its assets in California
Municipal Bonds and, therefore, it is more susceptible to factors adversely
affecting issuers of California Municipal Bonds than is a municipal bond fund
that is not concentrated in issuers of California Municipal Bonds to this
degree. See "Investment Objective and Policies--Special Considerations Relating
to California Municipal Bonds" and Appendix I, "Economic and Other Conditions
in California."
 
  The Fund has registered as a "non-diversified" investment company so that it
will be able to invest more than 5% of its assets in the obligations of any
single issuer, subject to the diversification requirements of Subchapter M of
the Internal Revenue Code of 1986, as amended (the "Code"), applicable to the
Fund. Since the Fund may invest a relatively high percentage of its assets in
the obligations of a limited number of issuers, the Fund may be more
susceptible than a more widely-diversified fund to any single economic,
political or regulatory occurrence.
 
  The Fund intends to invest in municipal obligations that are rated in the
investment grade rating categories by Standard & Poor's ("S&P"), Moody's
Investors Service, Inc. ("Moody's") or Fitch IBCA, Inc. ("Fitch") or, if not
rated, are considered to be of comparable quality by the Investment Adviser.
Obligations rated in the lowest investment grade category may have certain
speculative characteristics. See "Investment Objective and Policies." The Fund
may invest in certain tax-exempt securities classified as "private activity
bonds" that may subject certain investors in the Fund to the alternative
minimum tax. See "Taxes--General."
 
  The Fund will be subject to certain restrictions on investments imposed by
guidelines of the insurance companies issuing the portfolio insurance and to
guidelines of one or more NRSROs that may issue ratings for the preferred
stock. These guidelines may impose asset coverage or portfolio composition
requirements that are more stringent than those imposed by the 1940 Act. It is
not anticipated that these covenants or guidelines will impede the Investment
Adviser from managing the Fund's portfolio in accordance with the Fund's
investment objective and policies.
 
  In order to seek to hedge various portfolio positions or to enhance its
return, the Fund may invest in certain instruments that may be characterized as
derivatives. These investments include various types of options transactions
and futures and options thereon. Such investments also may consist of non-
municipal tax-exempt securities and securities the potential investment return
on which is based on the change in particular measurements of value or interest
rates ("indexed securities"), including securities the potential investment
return on which is inversely related to a change in particular measurements of
value or interest rates ("inverse
 
                                       7
<PAGE>
 
securities"). Certain of such investments may be made solely for hedging
purposes, not for speculation, and may in some cases require limitations as to
the type of permissible counterparty to the transaction. Investments in indexed
securities, including inverse securities, subject the Fund to the risks
associated with changes in the particular indices, which may include reduced or
eliminated interest payments and losses of invested principal. Derivative
instruments may have certain characteristics that have a similar effect on the
return to Common Stock investors as the leverage transactions discussed under
"Risks and Special Considerations of Leverage;" however, certain derivative
investments will not be taken into account for purposes of calculating the
percentage of leverage of the Fund's portfolio. For a further discussion of the
risks associated with derivative investments, see "Investment Objective and
Policies," "Investment Objective and Policies--Other Investment Policies--
Indexed and Inverse Floating Obligations," "--Call Rights" and "Investment
Objective and Policies--Options and Futures Transactions."
 
  Subject to its investment restrictions, the Fund is authorized to engage in
options and futures transactions on exchanges and in the over-the-counter
markets ("OTC options") for hedging purposes with certain specified entities
meeting the criteria of the Fund. These transactions involve certain risk
considerations. These risks include the risk of imperfect correlation in
movements in the price of futures contracts and movements in the price of the
security that is the subject of the hedge and the inability to close futures
transactions under certain conditions. Because of the anticipated leveraged
nature of the Common Stock, hedging transactions will result in a larger impact
on the net asset value of the Common Stock than would be the case if the Common
Stock were not leveraged. 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
be otherwise realized. See "Investment Objective and Policies--Options and
Futures Transactions." The Fund intends to apply for ratings of the preferred
stock from one or more NRSROs. In order to obtain these ratings, the Fund may
be required to limit its use of hedging techniques in accordance with the
specified guidelines of such NRSRO.
 
  The Fund's Articles of Incorporation include 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 Directors 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. See "Description of Capital Stock--
Certain Provisions of the Articles of Incorporation."
 
                                       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 shares of
 Common Stock):
  Management Fees(a)(b).................................................  0.92%
  Interest Payments on Borrowed Funds...................................  None
  Other Expenses(b).....................................................  0.43%
                                                                          ----
    Total Annual Expenses(b)............................................  1.35%
                                                                          ====
</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 1.35% (assuming leverage) and 0.76% (assuming no
  leverage) and (2) a 5% annual return throughout the
  periods:
  Assuming Leverage..................................... $14   $43   $74  $162
  Assuming No Leverage.................................. $ 8   $24   $42  $ 94
</TABLE>    
- --------
(a) See "Investment Advisory and Management Arrangements"--page 27.
   
(b) The Fee Table assumes that the Fund utilizes leverage by issuing preferred
    stock in an amount of approximately 40% of the Fund's capital. If the Fund
    does not utilize leverage it is estimated that, as a percentage of net
    assets attributable to Common Stock, the Management Fees would be 0.55%,
    Other Expenses would be 0.21% and Total Annual Expenses would be 0.76%.
    See "Risks and Special Considerations of Leverage."     
 
  The foregoing 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 utilizes 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 RATE OF
RETURN, AND ACTUAL EXPENSES OR ANNUAL RATE OF RETURN MAY BE MORE OR LESS THAN
THOSE ASSUMED FOR PURPOSES OF THE EXAMPLE.
 
                                       9
<PAGE>
 
                                   THE FUND
 
  MuniHoldings California Insured Fund III, Inc. (the "Fund") is a newly
organized, non-diversified, closed-end management investment company. The Fund
was incorporated under the laws of the State of Maryland on August 17, 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 $97,217,500 (or
approximately $111,842,500 assuming the Underwriter exercises the over-
allotment option in full) after payment of organizational and offering
expenses.     
 
  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 Stock, 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 investment objective of the Fund is to provide shareholders with current
income exempt from Federal and California income taxes. The Fund seeks to
achieve its investment objective by investing primarily in a portfolio of
long-term, investment grade municipal obligations issued by or on behalf of
the State of California, its political subdivisions, agencies and
instrumentalities and by other qualifying issuers that pay interest which, in
the opinion of bond counsel to the issuer, is exempt from Federal and
California income taxes. The Fund will seek to achieve its investment
objective by seeking to invest substantially all (a minimum of 80%) of its
assets in California Municipal Bonds, except at times when, in the judgment of
the Investment Adviser, California Municipal Bonds of sufficient quality and
quantity are unavailable for investment by the Fund. At all times, except
during interim periods pending investment of the net proceeds of public
offerings of the Fund's securities and during temporary defensive periods, the
Fund will maintain at least 65% of its assets in California Municipal Bonds
and at least 80% of its assets in California Municipal Bonds and Municipal
Bonds that are exempt from Federal Income taxes, but not California income
taxes. 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 investment objective of the Fund 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 shares of Common Stock.
 
                                      10
<PAGE>
 
  The Fund ordinarily does not intend to realize significant investment income
not exempt from Federal and California income taxes. To the extent that
suitable California Municipal Bonds are not available for investment by the
Fund, as determined by the Investment Adviser, the Fund may purchase long-term
obligations issued by or on behalf of states, territories and possessions of
the United States and their political subdivisions, agencies and
instrumentalities paying interest which, in the opinion of bond counsel to the
issuer, is exempt from Federal but not California income taxes. At all times,
except during interim periods pending investment of the net proceeds of public
offerings of the Fund's securities and during temporary defensive periods, the
Fund will have at least 80% of its assets invested in California Municipal
Bonds and Municipal Bonds. 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 also include securities issued by
other investment companies that invest in California Municipal Bonds and
Municipal Bonds, to the extent such investments are permitted by the 1940 Act.
Other Non-Municipal Tax-Exempt Securities could include trust certificates or
other instruments evidencing interests in one or more long-term California
Municipal Bonds or Municipal Bonds. Certain Non-Municipal Tax-Exempt
Securities may be characterized as derivative instruments. Non-Municipal Tax-
Exempt Securities will be considered "California Municipal Bonds" or
"Municipal Bonds" for purposes of the Fund's investment objective and
policies.
 
  Investment in shares of Common Stock of the Fund offers several potential
benefits. The Fund offers investors the opportunity to receive income exempt
from Federal and California income taxes by investing in a professionally
managed portfolio comprised primarily of investment grade insured California
Municipal Bonds. Investment in the Fund also relieves the investor of the
burdensome administrative details involved in managing a portfolio of
California Municipal Bonds. Additionally, the Investment Adviser will seek to
enhance the yield on the Common Stock by leveraging the Fund's capital
structure through the issuance of preferred stock. 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 California Municipal Bonds and Municipal Bonds in which
the Fund will primarily invest are those California Municipal Bonds and
Municipal Bonds rated at the date of purchase in the four highest rating
categories of S&P, Moody's or 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-4 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 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 fourth highest rating
category (BBB, SP-3 and A-3 for S&P; Baa, MIG-4 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 California 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 California
 
                                      11
<PAGE>
 
Municipal Bonds and Municipal Bonds are entitled and the creditworthiness of
the insurance company or the financial institution that provided such
insurance or credit enhancements. Consequently, if California 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 California
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 California
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.
 
  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 shares of common stock 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 California Municipal Bonds
and Municipal Bonds with a maturity of more than ten years. Also, the Fund may
invest in intermediate-term California 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 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 not exempt from Federal and California
income taxes.
 
  The Fund is classified as non-diversified within the meaning of the 1940
Act, which means that the Fund is not limited by such 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 Code. 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
 
                                      12
<PAGE>
 
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 California 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 California 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 California
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 California 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 California Municipal Bonds and Municipal Bonds purchased by the Fund.
A California Municipal Bond or 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 California 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.
 
  The Policies will be effective only as to insured California Municipal Bonds
and Municipal Bonds beneficially owned by the Fund. In the event of a sale of
any California 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 California 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
Directors 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.
 
                                      13
<PAGE>
 
  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 California
Municipal Bonds and Municipal Bonds covered by such Policies. The estimate is
based on the expected composition of the Fund's portfolio of California
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 California 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 California 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 it holds defaulted securities,
which may limit its ability in certain circumstances to purchase other
California 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 Directors 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 may discontinue its policy of maintaining
insurance for all or any of the California 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 California Municipal Bonds or
Municipal Bonds will not receive timely scheduled payments of principal or
interest). However, the insured California 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).
 
DESCRIPTION OF CALIFORNIA MUNICIPAL BONDS AND MUNICIPAL BONDS
 
  California 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 ("IDBs") 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 as California
Municipal Bonds if the interest thereon is exempt from Federal income tax and
exempt from California income tax, even though such bonds may be 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 California Municipal Bonds or Municipal Bonds.
 
                                      14
<PAGE>
 
  The two principal classifications of California 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 (other than those of the
State of California which has limited taxing powers) are 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
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.
California 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 California 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 California 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 California Municipal Bonds and 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 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.
 
  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 California Municipal Bonds and Municipal Bonds for
investment by the Fund.
 
SPECIAL CONSIDERATIONS RELATING TO CALIFORNIA MUNICIPAL BONDS
 
  The Fund ordinarily will invest at least 80% of its total assets in
California Municipal Bonds, and therefore it is more susceptible to factors
adversely affecting issuers of California Municipal Bonds than is a municipal
bond mutual fund that is not concentrated in issuers of California Municipal
Bonds to this degree. Beginning in the 1990-91 fiscal year, the State of
California faced the worst economic, fiscal and budget conditions since the
1930's. On July 5, 1994, all three of the rating agencies rating the State of
California's long-term debt lowered their ratings of the State of California's
general obligation bonds. Moody's lowered its rating from "Aa" to A1",
 
                                      15
<PAGE>
 
S&P lowered its rating from "A+" to "A" and Fitch lowered its rating from "AA"
to "A". Although a steady upturn has been under way since 1994, pre-recession
job levels are not expected to be reached until later in the decade. As of the
date of this Prospectus, S&P and Fitch have upgraded their ratings to A+ and
AA-, respectively. No assurance can be given that ratings will not be lowered
in the future. FAM does not believe that the current economic conditions in
California will have a significant adverse effect on the ability of the Fund
to invest in high quality California Municipal Bonds. For a discussion of
economic and other conditions in the State of California, see Appendix I,
"Economic and Other Conditions in California."
 
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 Stock pursuant to tender offers or
otherwise to redeem or repurchase shares of preferred stock or for temporary,
extraordinary or emergency purposes. Borrowings by the Fund (commonly known,
as with the issuance of preferred stock, 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 California 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 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 California
Municipal Bonds and Municipal Bonds the return on which is based on a
particular index of value or interest rates. For example, the Fund may invest
in California 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 California 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 California 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 in the
secondary market synthetically-created inverse floating rate bonds evidenced
by custodial or trust receipts. Generally, interest rates on inverse floating
rate bonds will decrease when short-term rates increase, and will increase
when short-term 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, as an illustration, 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
 
                                      16
<PAGE>
 
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 California Municipal Bond or Municipal
Bond issuer's right to call all or a portion of such California 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 California Municipal Bonds or Municipal Bonds, subject to
certain conditions. A Call Right that is not exercised prior to the maturity
of the related California Municipal Bond or Municipal Bond will expire without
value. The economic effect of holding both the Call Right and the related
California Municipal Bond or Municipal Bond is identical to holding a
California 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.
 
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 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 Stock, the net asset value of the Common Stock 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 Stock, hedging transactions will result in a larger impact on the net
asset value of the Common Stock than would be the case if the Common Stock
were not leveraged. Furthermore, the Fund will only engage in hedging
activities from time to time and may not necessarily be engaging in hedging
activities when movements in interest rates occur.
 
  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 stock from one or
 
                                      17
<PAGE>
 
more 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 use of such transactions and
risks associated therewith. The investment policies with respect to the
hedging transactions of the Fund are not fundamental policies and may be
modified by the Board of Directors 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 California 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 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 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 California 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.
 
                                      18
<PAGE>
 
  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 California 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 Directors, 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
California 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.
 
  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 California
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.
 
                                      19
<PAGE>
 
  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 do 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.
 
  Although certain risks are involved in options and futures transactions, the
Investment Adviser believes that, because the Fund will engage in options and
futures transactions only for hedging purposes, the options and futures
portfolio strategies of the Fund will not subject the Fund to certain risks
frequently associated with speculation in options and futures transactions.
 
  The volume of trading in the exchange markets with respect to California
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.
 
  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
 
                                      20
<PAGE>
 
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 the offering of
shares of Common Stock, the Fund intends to offer shares of preferred stock
representing approximately 40% of the Fund's capital immediately after the
issuance of such preferred stock. There can be no assurance, however, that
preferred stock representing such percentage of the Fund's capital will
actually be issued. The issuance of the preferred stock will result in the
leveraging of the Common Stock. Although the terms of the preferred stock
offering will be determined by the Fund's Board of Directors, it is
anticipated that the preferred stock 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) and that the dividend rate will be
based upon prevailing interest rates for debt obligations of comparable
maturity. The proceeds of the preferred stock offering will be invested in
longer-term obligations in accordance with the Fund's investment objective.
Issuance and ongoing expenses of the preferred stock will be borne by the Fund
and will reduce the net asset value of the Common Stock. Additionally, under
certain circumstances, when the Fund is required to allocate taxable income to
holders of preferred stock, it is anticipated that the terms of the preferred
stock 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 and such additional distribution (such amount, 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 the short-term and medium-term rates (and any Additional
Distribution) paid by the Fund as dividends on the preferred stock and the
longer-term rates received by the Fund will provide holders of Common Stock
with a potentially higher yield.
 
  Utilization of leverage, however, involves certain risks to the holders of
Common Stock. For example, issuance of the preferred stock may result in
higher volatility of the net asset value of the Common Stock and potentially
more volatility in the market value of the Common Stock. In addition,
fluctuations in the short-term and medium-term dividend rates on, and the
amount of taxable income allocable to, the preferred stock will affect the
yield to holders of Common Stock. So long as the Fund, taking into account the
costs associated with the preferred stock and the Fund's 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
stock, the effect of leverage will be to cause holders of Common Stock to
realize a higher current rate of return than if the Fund were not leveraged.
Similarly, since a pro rata portion of the Fund's net realized capital gains
on its investment assets are generally payable to holders of Common Stock if
net capital gains are realized by the Fund, the effect of leverage will be to
increase the amount of such gains distributed to holders of Common Stock.
However, short-term, medium-term and long-term interest rates change from time
to time as does their relationship 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-
 
                                      21
<PAGE>
 
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 stock
approaches the net return on the Fund's investment portfolio, the benefit of
leverage to holders of Common Stock will be reduced, and if the current
dividend rate (and any Additional Distribution) on the preferred stock were to
exceed the net return on the Fund's portfolio, the Fund's leveraged capital
structure would result in a lower rate of return to holders of Common Stock
than if the Fund were not leveraged. Similarly, since both the cost associated
with the issuance of preferred stock and any decline in the value of the
Fund's investments (including investments purchased with the proceeds from any
preferred stock offering) will be borne entirely by holders of Common Stock,
the effect of leverage in a declining market would result in a greater
decrease in net asset value to holders of Common Stock than if the Fund were
not leveraged.
 
  In an extreme case, a decline in net asset value could affect the Fund's
ability to pay dividends on the Common Stock. Failure to make such dividend
payments could adversely affect the Fund's qualification as a regulated
investment company under the Code. See "Taxes." The Fund intends, however, to
take all measures necessary to continue to make Common Stock dividend
payments. If the Fund's current investment income were not sufficient to meet
dividend requirements on either the Common Stock or the preferred stock, it
could be necessary for the Fund to liquidate certain of its investments. In
addition, the Fund will have the authority to redeem the preferred stock for
any reason and may redeem all or part of the preferred stock if (i) it
anticipates that the Fund's leveraged capital structure will result in a lower
rate of return for any significant amount of time to holders of the Common
Stock than that obtainable if the Common Stock were unleveraged, (ii) the
asset coverage for the preferred stock 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 Stock in tender offers, or (iii) in order to
maintain the asset coverage guidelines established by the NRSROs that have
rated the preferred stock. Redemption of the preferred stock or insufficient
investment income to make dividend payments, may reduce the net asset value of
the Common Stock 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.
   
  Assuming the utilization of leverage by the issuance of preferred stock that
pays 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 3.50% payable on such preferred stock 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 1.40%.     
 
  The following table is designed to illustrate the effect on the return to a
holder of the Fund's Common Stock of the leverage obtained by the issuance of
preferred stock 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 stockholders
when portfolio return is positive and decreases the return when the 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 Stock Return................... (19)% (11)% (2)%  5% 14%
</TABLE>    
 
  Leveraging of the Common Stock cannot be fully achieved until preferred
stock is issued and the proceeds of the offering of preferred stock have been
invested in long-term California Municipal Bonds and Municipal Bonds.
 
                                      22
<PAGE>
 
PORTFOLIO MANAGEMENT AND OTHER CONSIDERATIONS
 
  In the event of an increase in short-term or medium-term rates or other
change in market conditions to the point where the Fund's leverage could
adversely affect holders of Common Stock as noted above, or in anticipation of
such changes, the Fund may attempt to shorten the average maturity of its
investment portfolio, which would tend to offset the negative impact of
leverage on holders of Common Stock. The Fund also may attempt to reduce the
degree to which it is leveraged by redeeming preferred stock pursuant to the
provisions of the Fund's Articles Supplementary establishing the rights and
preferences of the preferred stock or otherwise purchasing shares of preferred
stock. Purchases and redemptions of preferred stock, 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 stockholders to redeem outstanding preferred stock, the Board of
Directors will take into account a variety of factors including market
conditions, the ratio of preferred stock to Common Stock and the expenses
associated with such redemption. If market conditions subsequently change, the
Fund may sell previously unissued shares of preferred stock or shares of
preferred stock that the Fund previously issued but later repurchased or
redeemed.
 
  The Fund intends to apply for ratings of the preferred stock from one or
more NRSROs. In order to obtain these ratings, the Fund may be required to
maintain portfolio holdings meeting specified guidelines of such
organizations. These guidelines may impose asset coverage requirements that
are more stringent than those imposed by the 1940 Act. It is not anticipated
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 preferred stock issued by the Fund should not be confused
with ratings on obligations held by the Fund.
 
  Under the 1940 Act, the Fund is not permitted to issue shares of preferred
stock 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 stock (expected to equal the original purchase price of the
outstanding shares of preferred stock 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 Stock 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 the liquidation value of
the outstanding preferred stock. Under the Fund's proposed capital structure,
assuming the sale of shares of preferred stock 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
stock. To the extent possible, the Fund intends to purchase or redeem shares
of preferred stock from time to time to maintain coverage of preferred stock
of at least 200%.
 
                            INVESTMENT RESTRICTIONS
 
  The following are fundamental investment restrictions of the Fund and, prior
to issuance of the preferred stock, may not be changed without the approval of
the holders of a majority of the Fund's outstanding shares of Common Stock
(which for this purpose and under the 1940 Act means the lesser of (i) 67% of
the shares of Common Stock represented at a meeting at which more than 50% of
the outstanding shares of Common Stock are represented or (ii) more than 50%
of the outstanding shares). Subsequent to the issuance of the preferred stock,
the following investment restrictions may not be changed without the approval
of a majority of the outstanding shares of Common Stock and of the outstanding
shares of preferred stock, voting together as a class,
 
                                      23
<PAGE>
 
and the approval of a majority of the outstanding shares of preferred stock,
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
  California Municipal Bonds, Municipal Bonds and other debt securities and
  enter into repurchase agreements in accordance with its investment
  objective, policies and limitations.
 
    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 Directors 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 stock 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 stock 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 California 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 California Municipal Bonds and Municipal Bonds.
 
                                      24
<PAGE>
 
  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 are owned and
controlled by 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.
 
                            DIRECTORS AND OFFICERS
 
  Information about the Directors, executive officers and the portfolio
manager 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 Director, executive officer and the portfolio manager is 800
Scudders Mill Road, Plainsboro, New Jersey 08536.
 
  Arthur Zeikel (66)--President and Director (1)(2)--Chairman of the
Investment Adviser and MLAM (which terms, as used herein, include their
corporate predecessors) since 1997; President of the Investment Adviser and
MLAM from 1977 to 1997; Chairman of Princeton Services, Inc. ("Princeton
Services") since 1997 and Director thereof since 1993; President of Princeton
Services from 1993 to 1997; Executive Vice President of ML & Co. since 1990.
   
  Ronald W. Forbes (58)--Director(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)--Director(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)--Director(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 (65)--Director(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.
 
                                      25
<PAGE>
 
  Richard R. West (60)--Director(2) -- Box 604, Genoa, Nevada 89411, Professor
of Finance since 1984, and 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. (financial printers), Vornado Realty Trust, Inc.
(real estate holding company) and Alexander's Inc. (real estate company).
   
  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. ("PFD") 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.     
 
  Donald C. Burke (38)--Vice President (1)(2)--First Vice President of MLAM
since 1997; Vice President of MLAM from 1990 to 1997; Director of Taxation of
MLAM since 1990.
 
  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 (1)(2)--Assistant Vice President
of MLAM since 1995; Assistant Portfolio Manager of MLAM from 1993 to 1995;
Assistant Portfolio Manager with Prudential Investment Advisers from 1992 to
1993.     
 
  Walter O'Connor (36)--Vice President and Portfolio Manager (1)(2)--Director
(Municipal Tax Exempt) of MLAM since 1997; Vice President of MLAM from 1993 to
1997; Assistant Vice President of MLAM from 1991 to 1993.
 
  Gerald M. Richard (49)--Treasurer (1)(2)--Senior Vice President and
Treasurer of the Investment Adviser and MLAM since 1984; Senior Vice President
and Treasurer of Princeton Services since 1993; Vice President of PFD since
1981 and Treasurer thereof since 1984.
   
  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 Director 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 stock, in connection with the
election of the Fund's Directors, holders of shares of preferred stock, voting
as a separate class, will be entitled to elect two of the Fund's Directors,
and the remaining Directors will be elected by all holders of capital stock,
voting as a single class. See "Description of Capital Stock."
 
COMPENSATION OF DIRECTORS
 
  The Fund pays each Director not affiliated with the Investment Adviser an
annual fee of $2,000 plus $200 per meeting attended, together with such
Director's actual out-of-pocket expenses relating to attendance at meetings.
The Fund also pays members of its audit committee, which consists of all of
the Directors not affiliated with the Investment Adviser, an annual fee of
$800. The Chairman of the Audit Committee receives an additional annual fee of
$1,000.
 
                                      26
<PAGE>
 
  The following table sets forth compensation to be paid by the Fund to the
non-affiliated Directors projected through the end of the Fund's first full
fiscal year and for the calendar year ended December 31, 1997 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 Directors.
 
<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 DIRECTOR          FROM FUND      FUND EXPENSE         DIRECTORS
- ----------------         ------------ ------------------- ------------------
<S>                      <C>          <C>                 <C>
Ronald W. Forbes(/1/)...    $3,600           None              $153,500
Cynthia A.
 Montgomery(/1/)........    $3,600           None              $153,500
Charles C. Reilly(/1/)..    $4,600           None              $313,000
Kevin A. Ryan(/1/)......    $3,600           None              $153,000
Richard R. West(/1/)....    $3,600           None              $299,000
</TABLE>
- --------
(1) The Directors serve on the boards of MLAM/FAM Advised Funds as follows:
    Mr. Forbes (28 registered investment companies consisting of 41
    portfolios); Ms. Montgomery (28 registered investment companies consisting
    of 41 portfolios); Mr. Reilly (46 registered investment companies
    consisting of 59 portfolios); Mr. Ryan (28 registered investment companies
    consisting of 41 portfolios); and Mr. West (54 registered investment
    companies consisting of 79 portfolios).
 
                INVESTMENT ADVISORY AND MANAGEMENT ARRANGEMENTS
   
  The Investment Adviser is an affiliate of MLAM and is owned and controlled
by ML & Co., a financial services holding company. The Investment Adviser will
provide the Fund with investment advisory and management services. The Asset
Management Group of ML&Co. (which includes the Investment Adviser) acts as the
investment adviser for over 100 other registered investment companies and
offers portfolio management and portfolio analysis services to individuals and
institutional accounts. As of August 1998, the Asset Management Group had a
total of approximately $473 billion in investment company and other portfolio
assets under management (approximately $38 billion of which were invested in
municipal securities).This amount includes assets managed for certain
affiliates of the Investment Adviser. The principal business address of the
Investment Adviser is 800 Scudders Mill Road, Plainsboro, New Jersey 08536.
    
  The Investment Advisory Agreement with the Investment Adviser (the
"Investment Advisory Agreement") provides that, subject to the supervision of
the Board of Directors 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 Directors. The Fund's portfolio
manager 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. Walter O'Connor is the portfolio manager for
the Fund and is 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
shares of preferred stock, minus the sum of accrued liabilities of the Fund
and accumulated dividends on the shares of preferred stock). 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.
 
                                      27
<PAGE>
 
  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 Directors 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, stock 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 stock,
Securities and Exchange Commission fees, fees and expenses of unaffiliated
Directors, 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.
 
  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 Directors of the Fund or by a majority of the
outstanding shares of the Fund and (b) by a majority of the Directors 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 one or
more clients when one or more 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 other 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. To the extent that
transactions on behalf of more than one client of the Investment Adviser or
its affiliates during the same period may increase the demand for securities
being purchased or the supply of securities being sold, there may be an
adverse effect on price.
 
CODE OF ETHICS
 
  The Board of Directors 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).
 
                                      28
<PAGE>
 
                            PORTFOLIO TRANSACTIONS
 
  Subject to policies established by the Board of Directors 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 obtaining the
best price and execution, securities firms that provided supplemental
investment research to the Investment Adviser, including Merrill Lynch, may
receive orders for transactions by the Fund. Information so received will be
in addition to and not in lieu of the services required to be performed by the
Investment Adviser under the Investment Advisory Agreement, and the expenses
of the Investment Adviser will not necessarily be reduced as a result of the
receipt of such supplemental information.
 
  The securities in which the Fund primarily will invest are traded in the
over-the-counter markets, and the Fund intends to deal directly with the
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 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 principal for their
own account, the Fund will not deal with affiliated persons, including Merrill
Lynch and its affiliates, in connection with such transactions except that,
pursuant to an exemptive order 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." An
affiliated person of the Fund may serve as its broker in over-the-counter
transactions conducted on an agency basis.
 
  The Fund may also 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
 
  Generally, the Fund does not purchase securities for short-term trading
profits. However, the Fund may dispose of securities without regard to the
time they have been held when such action, for defensive or other reasons
appears advisable to the Investment Adviser. While it is not possible to
predict turnover rates with any certainty, at present it is anticipated that
the Fund's annual portfolio turnover rate, under normal circumstances after
the Fund's portfolio is invested in accordance with its investment objective,
will 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.
 
                                      29
<PAGE>
 
                          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 Stock. It is expected that the Fund will commence paying dividends to
holders of Common Stock within approximately 90 days of the date of this
Prospectus. From and after issuance of the preferred stock, monthly
distributions to holders of Common Stock normally will consist of
substantially all net investment income remaining after the payment of
dividends (and any Additional Distribution) on the preferred stock. All net
realized capital gains, if any, will be distributed pro rata at least annually
to holders of Common Stock and any preferred stock. While any shares of
preferred stock are outstanding, the Fund may not declare any cash dividend or
other distribution on its Common Stock, unless at the time of such
declaration, (i) all accumulated preferred stock dividends, including any
Additional Distribution, have been paid, 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 stock (expected to equal the original purchase price of
the outstanding shares of preferred stock 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 Stock 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 Stock. See
"Taxes."
 
  See "Automatic Dividend Reinvestment Plan" for information concerning the
manner in which dividends and distributions to holders of Common Stock may be
automatically reinvested in shares of Common Stock 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 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
 
                                      30
<PAGE>
 
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.
 
  The portion of exempt-interest dividends paid from interest received by the
Fund from California Municipal Bonds also will be exempt from California
income tax. However, exempt-interest dividends paid to a corporate shareholder
subject to California state franchise tax will not be exempt from California
taxation. Shareholders subject to income taxation by states other than
California will realize a lower after-tax rate of return than California
shareholders since the dividends distributed by the Fund generally will not be
exempt, to any significant degree, from income taxation by such other states.
The Fund will inform shareholders annually as to the portion of the Fund's
distributions which constitutes exempt-interest dividends and the portion
which is exempt from California income taxes. Interest on indebtedness
incurred or continued to purchase or carry Fund shares is not deductible for
Federal or California 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 and California 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 and,
for California income tax purposes, are treated as capital gains which are
taxed at ordinary income tax rates. Recent legislation created additional
categories of capital gains taxable at different rates. Additional legislation
eliminates the highest 28% category for most sales of capital assets occurring
after December 31, 1997. 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 the 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, will not be 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 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
 
                                      31
<PAGE>
 
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 ("Service") has taken the position in a revenue
ruling that if a RIC has two or more classes 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 (including the
additional categories of capital gains discussed above). 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 Stock and one or more series of
preferred stock are outstanding, the Fund intends to designate distributions
made to the classes as consisting of particular types of income in accordance
with each class's proportionate share 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 Stock and series of
preferred stock in proportion to the total dividends paid to each class during
the taxable year, or otherwise as required by applicable law. Capital gain
dividends (including the additional categories of capital gains discussed
above) 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 stock pursuant to the allocation rules
described above, the terms of the preferred stock 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 its taxable 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 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 shares of preferred stock 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 Stock
 
                                      32
<PAGE>
 
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. Upon any failure to meet the asset coverage requirements of the 1940
Act, the Fund, in its sole discretion, may redeem shares of preferred stock 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 stock that the Fund currently contemplates
issuing may raise an issue as to whether distributions on such preferred stock
are "preferential" under the Code and, therefore, not eligible for the
dividends paid deduction. The Fund intends to issue preferred stock 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
stock, there is no assurance that the Service would agree that dividends on
the preferred stock are not preferential. If the Service successfully
disallowed the dividends paid deduction for dividends on the preferred stock,
the Fund could be disqualified as a RIC. In this case, dividends on the Common
Stock 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 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 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 will be 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.
 
                                      33
<PAGE>
 
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.
 
                               ----------------
 
  The foregoing is a general and abbreviated summary of the applicable
provisions of the Code and Treasury Regulations and California income and
corporate franchise tax laws presently in effect. For the complete provisions,
reference should be made to the pertinent Code sections, the Treasury
Regulations promulgated thereunder and California income and corporate
franchise tax laws. The Code and the Treasury Regulations, as well as the
California 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 Stock 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 shares of Common Stock of the Fund. Holders of Common
Stock 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 shares of Common
Stock. The shares will be acquired by the Plan Agent
 
                                      34
<PAGE>
 
for the participant's account, depending upon the circumstances described
below, either (i) through receipt of additional unissued but authorized shares
of Common Stock from the Fund ("newly issued shares") or (ii) by purchase of
outstanding shares of Common Stock on the open market ("open-market
purchases") on the New York Stock Exchange or elsewhere. If on the payment
date for the dividend, the net asset value per share of the Common Stock is
equal to or less than the market price per share of the Common Stock 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 Stock 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
shares of Common Stock commence trading on the New York Stock Exchange,
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 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 share of Common Stock 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
 
                                      35
<PAGE>
 
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.     
 
                         MUTUAL FUND INVESTMENT OPTION
 
  Purchasers of shares of Common Stock 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 shares of Common Stock 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 shares of Common
Stock commence trading on the New York Stock Exchange, the distributor for the
mutual funds will advise Merrill Lynch Financial Consultants as to those
mutual funds that offer the investment option described above.
 
                                      36
<PAGE>
 
                                NET ASSET VALUE
 
  Net asset value per share of Common Stock is determined as of 15 minutes
after the close of business on the New York Stock Exchange (generally, 4:00
p.m., New York time) on the last business day in each week. For purposes of
determining the net asset value of a share of Common Stock, 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 shares of
preferred stock is divided by the total number of shares of Common Stock
outstanding at such time. Expenses, including the fees payable to the
Investment Adviser, are accrued daily.
 
  The California 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 Directors. The pricing service
typically values portfolio securities at the bid price or the yield equivalent
when quotations are readily available. California 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 Directors. The Board of Directors 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 Directors.
 
  The Fund determines and makes available for publication the net asset value
of its Common Stock 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.
 
                         DESCRIPTION OF CAPITAL STOCK
 
  The Fund is authorized to issue 200,000,000 shares of capital stock, par
value $.10 per share, all of which shares are initially classified as Common
Stock. The Board of Directors is authorized, however, to classify or
reclassify any unissued shares of capital stock by setting or changing the
preferences, conversion or other rights, voting powers, restrictions,
limitations as to dividends, qualifications, or terms or conditions of
redemption. Within approximately three months after completion of the offering
of the Common Stock described herein, the Fund intends to reclassify an amount
of unissued Common Stock as preferred stock and at that time to offer shares
of preferred stock representing approximately 40% of the Fund's capital
immediately after the issuance of such preferred stock. There is no assurance
that such preferred stock will be issued.
 
COMMON STOCK
 
  Shares of Common Stock, 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.
 
                                      37
<PAGE>
 
  So long as any shares of the Fund's preferred stock are outstanding, holders
of Common Stock will not be entitled to receive any net income of or other
distributions from the Fund unless all accumulated dividends on preferred
stock have been paid and unless asset coverage (as defined in the 1940 Act)
with respect to preferred stock would be at least 200% after giving effect to
such distributions. See "Preferred Stock" 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 shares of Common Stock of the Fund for $100,005. As of the
date of this Prospectus, the Investment Adviser owned 100% of the outstanding
shares of Common Stock 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.
 
PREFERRED STOCK
 
  It is anticipated that the Fund's shares of preferred stock will be issued
in one or more series, with rights as determined by the Board of Directors, by
action of the Board of Directors without the approval of the holders of Common
Stock. 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 Stock have no preemptive right to purchase any
shares of preferred stock that might be issued. It is anticipated that the net
asset value per share of the preferred stock will equal its original purchase
price per share plus accumulated dividends per share.
 
  The Fund's Board of Directors has declared its intention to authorize an
offering of shares of preferred stock (representing approximately 40% of the
Fund's capital immediately after the issuance of such preferred stock) within
approximately three months after completion of the offering of Common Stock,
subject to market conditions and to the Board's continuing to believe that
leveraging the Fund's capital structure through the issuance of preferred
stock is likely to achieve the benefits to the holders of Common Stock
described in the Prospectus. Although the terms of the preferred stock,
including its dividend rate, voting rights, liquidation preference and
redemption provisions will be determined by the Board of Directors (subject to
applicable law and the Fund's Articles of Incorporation), the initial series
of preferred stock 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 stock,
it is anticipated that the terms of the preferred stock will require the Fund
to make an Additional Distribution (as defined in "Special Leverage
Considerations and Risks--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 stock will be as stated
below. The Fund's Articles of Incorporation, as amended, together with any
Articles Supplementary, 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 shares of
preferred stock 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)
 
                                      38
<PAGE>
 
before any distribution of assets is made to holders of Common Stock. After
payment of the full amount of the liquidating distribution to which they are
entitled, the preferred stockholders 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 shares of preferred stock
will have equal voting rights with holders of shares of Common Stock (one vote
per share) and will vote together with holders of Common Stock as a single
class.
 
  In connection with the election of the Fund's directors, holders of shares
of preferred stock, voting as a separate class, will be entitled to elect two
of the Fund's directors, and the remaining directors will be elected by all
holders of capital stock, voting as a single class. So long as any preferred
stock is outstanding, the Fund will have not less than five directors. If at
any time dividends on shares of the Fund's preferred stock shall be unpaid in
an amount equal to two full years' dividends thereon, the holders of all
outstanding shares of preferred stock, voting as a separate class, will be
entitled to elect a majority of the Fund's directors 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 shares
of the preferred stock, voting as a separate class, will be required to (i)
authorize, create or issue any class or series of stock ranking prior to any
series of preferred stock 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 stock.
 
  Redemption Provisions. It is anticipated that shares of preferred stock 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. Shares of
preferred stock 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 stock specified by the rating agencies that issue ratings on the
preferred stock.
 
CERTAIN PROVISIONS OF THE ARTICLES OF INCORPORATION
 
  The Fund's Articles of Incorporation include 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 Directors 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 director 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 director elected by
all the holders of capital stock may be removed only by action of such
holders, and a director elected by the holders of preferred stock may be
removed only by action of such holders.
 
  In addition, the Articles of Incorporation require the favorable vote of the
holders of at least 66 2/3% of the Fund's shares of capital stock then
entitled to be voted, voting as a single class, to approve, adopt or authorize
the following:
 
    (i) a merger or consolidation or statutory share exchange of the Fund
  with other corporations,
 
                                      39
<PAGE>
 
    (ii) 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
 
    (iii) 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 Directors fixed in accordance with the by-laws, in
  which case the affirmative vote of a majority of the Fund's shares of
  capital stock is required. Following the proposed issuance of the preferred
  stock, 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 shares of preferred stock 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 Articles of Incorporation. The amendment
would have to be declared advisable by the Board of Directors 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 shares of capital
stock (including any preferred stock) 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 Directors fixed in accordance with the by-laws), and, assuming preferred
stock is issued, the affirmative vote of a majority of outstanding shares of
preferred stock 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 shares of common stock 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 Stock would no longer be listed on a stock exchange.
 
  Conversion to an open-end investment company would also require redemption
of all outstanding shares of preferred stock 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 Directors has determined that the 66 2/3% voting requirements
described above, which are greater than the minimum requirements under
Maryland 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 6,500,000 shares of Common Stock
from the Fund. The Underwriter is committed to purchase all of such shares if
any are purchased.     
 
                                      40
<PAGE>
 
   
  The Underwriter has advised the Fund that it proposes initially to offer the
shares of Common Stock 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 shares of Common Stock 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
shares of Common Stock 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 shares of
Common Stock purchased in the offering on or before September 25, 1998.     
   
  The Fund has granted the Underwriter an option, exercisable for 45 days
after the date hereof, to purchase up to 975,000 additional shares of Common
Stock to cover over-allotments, if any, at the initial offering price.     
 
  The Underwriter may engage in certain transactions that stabilize the price
of the shares of Common Stock. Such transactions consist of bids or purchases
for the purpose of pegging, fixing or maintaining the price of the shares of
Common Stock.
 
  If the Underwriter creates a short position in the shares of Common Stock in
connection with the offering, i.e., if it sells more shares of Common Stock
than are set forth on the cover page of this Prospectus, the Underwriter may
reduce that short position by purchasing shares of Common Stock 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 shares of Common Stock
in the open market to reduce the Underwriter's short position or to stabilize
the price of the shares of Common Stock, it may reclaim the amount of the
selling concession from the selling group members who sold those shares of
Common Stock 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 shares of
the Common Stock. The Fund's shares of Common Stock have been approved for
listing on the New York Stock Exchange, subject to official notice of
issuance. However, during an initial period which is not expected to exceed
two weeks from the date of this Prospectus, the Fund's Common Stock will not
be listed on any securities exchange. Additionally, during such period, the
Underwriter does not intend to make a market in the Fund's Common Stock,
although a limited market may develop. Consequently, it is anticipated that an
investment in the Fund will be illiquid 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.     
 
                                      41
<PAGE>
 
  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 shares
of Common Stock of the Fund will be State Street Bank and Trust Company, 225
Franklin Street, Boston, Massachusetts 02110.     
 
                                LEGAL OPINIONS
 
  Certain legal matters in connection with the Common Stock offered hereby
will be passed upon for the Fund and the Underwriter by Brown & Wood LLP, New
York, New York.
 
                                    EXPERTS
   
  The statement of assets, liabilities and capital of the Fund as of September
17, 1998 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.     
 
                                      42
<PAGE>
 
                            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 Commission.
Any such reports, proxy statements and other information can be inspected and
copied 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 and the shares of Common Stock 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.
 
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"). Like other investment
companies and financial and business organizations, 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 prior to
January 1, 2000. The Investment Adviser has established a dedicated group to
analyze these issues and to implement any systems modifications necessary to
prepare for the Year 2000. Currently, the Investment Adviser does not
anticipate that the transition to the Year 2000 will have any material impact
on its ability to continue to service the Fund at current levels. In addition,
the Investment Adviser has sought assurances from the Fund's other service
providers that they are taking all necessary steps to ensure that their
computer systems will accurately reflect the Year 2000, and the Investment
Adviser will continue to monitor the situation. At this time, however, no
assurance can be given that the Fund's other service providers have
anticipated every step necessary to avoid any adverse effect on the Fund
attributable to the Year 2000 Problem.     
 
                                      43
<PAGE>
 
                         
                      REPORT OF INDEPENDENT AUDITORS     
   
To the Board of Directors and Shareholder of     
 MuniHoldings California Insured Fund III, Inc.:
   
We have audited the accompanying statement of assets, liabilities and capital
of MuniHoldings California Insured Fund III, Inc. as of September 17, 1998.
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 California Insured Fund III, Inc. at September 17, 1998, in
conformity with generally accepted accounting principles.     
                                             
                                          Ernst & Young LLP     
   
Princeton, New Jersey     
   
September 18, 1998     
 
                                      44
<PAGE>
 
                MUNIHOLDINGS CALIFORNIA INSURED FUND III, INC.
 
                 STATEMENT OF ASSETS, LIABILITIES AND CAPITAL
                               
                            SEPTEMBER 17, 1998     
 
<TABLE>   
<S>                                                                    <C>
ASSETS
  Cash................................................................ $100,005
  Offering costs (Note 1).............................................  270,000
  Deferred organization costs (Note 1)................................   12,500
                                                                       --------
    Total assets......................................................  382,505
                                                                       --------
LIABILITIES
  Liabilities and accrued expenses (Note 1)...........................  282,500
                                                                       --------
NET ASSETS............................................................ $100,005
                                                                       ========
CAPITAL
  Common Stock, par value $.10 per share; 200,000,000 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 share of
   Common Stock (Note 1).............................................. $100,005
                                                                       ========
</TABLE>    
 
             NOTES TO STATEMENT OF ASSETS, LIABILITIES AND CAPITAL
 
NOTE 1. ORGANIZATION
   
  The Fund was incorporated under the laws of the State of Maryland on August
17, 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 shares of Common Stock for
$100,005 on September 17, 1998. The General Partner of the Investment Adviser
is an indirect wholly-owned subsidiary of Merrill Lynch & Co., Inc.     
   
  Deferred organization costs will be amortized on a straight-line basis over
a period not exceeding five years beginning with the commencement of
operations of the Fund. Direct costs relating to the public offering of the
Fund's shares will be charged to capital at the time of issuance of shares. In
accordance with Statement of Position 98-5, unamortized organization costs
existing at June 1, 1999 (start of the Fund's new fiscal year) will be charged
to expense at that date. At the present time, management believes this charge
will not have any material impact to the operations of the Fund.     
 
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 equal to 0.55 of 1% of
the average weekly net assets of the Fund, including proceeds from the
issuance of preferred stock. 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 per share in connection with the initial
public offering of the Fund's Common Stock.     
 
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.
 
                                      45
<PAGE>
 
                                  APPENDIX I
 
                  ECONOMIC AND OTHER CONDITIONS IN CALIFORNIA
 
  THE FOLLOWING INFORMATION IS A BRIEF SUMMARY OF FACTORS AFFECTING THE
ECONOMY OF THE STATE OF CALIFORNIA AND DOES NOT PURPORT TO BE A COMPLETE
DESCRIPTION OF SUCH FACTORS. OTHER FACTORS WILL AFFECT ISSUERS. THE SUMMARY IS
BASED PRIMARILY UPON ONE OR MORE OF THE MOST RECENT PUBLICLY AVAILABLE
OFFERING STATEMENTS RELATING TO DEBT OFFERINGS OF CALIFORNIA ISSUERS, HOWEVER,
IT HAS NOT BEEN UPDATED NOR WILL IT BE UPDATED DURING THE YEAR. THE FUND HAS
NOT INDEPENDENTLY VERIFIED THE INFORMATION.
 
GENERAL ECONOMIC CONDITIONS
 
  The economy of the State of California (sometimes referred to herein as the
"State") is the largest among the 50 states and one of the largest in the
world. This diversified economy has major components in agriculture,
manufacturing, high technology, trade, entertainment, tourism, construction
and services.
 
  California's July 1, 1997 population of over 32.9 million represented over
12% of the total United States population. As of July 1, 1990, the population
of 29,944,000 represented an increase of over 6 million persons, or 26%,
during the decade of the 1980's.
 
  California's population is concentrated in metropolitan areas. As of the
April 1, 1990 census, 96% of the State's population resided in the 23
Metropolitan Statistical Areas in the State. As of July 1, 1997, the 5-county
Los Angeles area accounted for 49%, with 16.0 million residents. The 10-county
San Francisco Bay Area represented 21%, with a population of 6.9 million.
 
  From 1990-1993, the State suffered through a severe recession, the worst
since the 1930's, heavily influenced by large cutbacks in defense/aerospace
industries and military base closures and by a major drop in real estate
construction. California's economy has been recovering and growing steadily
since the start of 1994. The current economic expansion is marked by strong
growth in high technology manufacturing and services, including computer
software, electronic manufacturing and motion picture/television production;
growth is also strong in other business services, both nonresidential and
residential construction and local education. The Asian economic crisis is
expected to have dampening effects on the State's economy, as exports to the
region will be reduced further (declines had appeared already in 1997) and the
trade deficit will increase. However, some impacts of the Asian situation
could benefit California, as services will be needed to handle imports, and
lower interest rates should help the construction industry. Furthermore,
exports to other regions, such as Mexico and elsewhere in Latin America, have
grown rapidly, taking up some of the slack from Asia.
 
THE STATE
 
  Fiscal Years Prior to 1995-1996. The State's budget problems in the early
1990's were caused by a combination of external economic conditions and a
structural imbalance in that the largest general fund programs--K-14
education, health, welfare and corrections--were increasing faster than the
revenue base, driven by the State's rapid population growth. These pressures
are expected to continue as population trends maintain strong demand for
health and welfare services, as the school age population continues to grow,
and as the State's corrections program responds to a "Three Strikes" law
enacted in 1994, which requires mandatory life prison terms for certain third-
time felony offenders. In addition, the State's health and welfare programs
are in a transition period as a result of recent federal and state welfare
reform initiatives.
 
                                      46
<PAGE>
 
  As a result of these factors and others, and especially because a severe
recession between 1990-1994 reduced revenues and increased expenditures for
social welfare programs, from the late 1980's until 1992-93, the State had a
period of budget imbalance. During this period, expenditures exceeded revenues
in four out of six years, and the State accumulated and sustained a budget
deficit in its budget reserve, the Special Fund for Economic Uncertainties
("SFEU") approaching $2.8 billion at its peak at June 30, 1993. Starting in
the 1990-91 Fiscal Year and for each fiscal year thereafter, each budget
required multibillion dollar actions to bring projected revenues and
expenditures into balance. The State Legislature and Governor agreed on the
following principal steps to produce Budget Acts in the years 1991-92 to 1994-
95, although not all these actions were taken in each year.
 
  1. significant cuts in health and welfare program expenditures;
 
  2. transfers of program responsibilities and funding from the State to
     local governments (referred to as "realignment"), coupled with some
     reduction in mandates on local government;
 
  3. transfer of about $3.6 billion in local property tax revenues from
     cities, counties, redevelopment agencies and some other districts to
     local school districts, thereby reducing State funding for schools under
     Proposition 98 (discussed below);
 
  4. reduction in growth of support for higher education programs, coupled
     with increases in student fees, through the 1994-95 Fiscal Year;
 
  5. maintenance of the minimum Proposition 98 funding guarantee for K-14
     schools, and the disbursement of additional funds to keep a constant
     level of about $4,200 per K-12 pupils through the 1993-94 Fiscal Year;
 
  6. revenue increases (particularly in the 1991-92 Fiscal Year budget), most
     of which were for a short duration;
 
  7. increased reliance on aid from the federal government to offset the
     costs of incarcerating, educating and providing health and welfare
     services to illegal immigrants, although during this time frame, most of
     the additional aid requested by the Administration was not received; and
 
  8.  various one-time adjustments and accounting changes.
 
  Despite these budget actions, as noted, the effects of the recession led to
large, unanticipated deficits in the budget reserve, the SFEU, as compared to
projected positive balances. By the 1993-94 Fiscal Year, the accumulated
deficit was so large that it was impractical to budget to retire it in one
year, so a two-year program was implemented, using the issuance of revenue
anticipation warrants to carry a portion of the deficit over the end of the
fiscal year. When the economy failed to recover sufficiently in 1993-94, a
second two-year plan was implemented in 1994-95, again using cross-fiscal year
revenue anticipation warrants to partly finance the deficit into the 1995-96
fiscal year.
 
  Another consequence of the accumulated budget deficits, together with other
factors such as disbursement of funds to local school districts "borrowed"
from future fiscal years and hence not shown in the annual budget, was to
significantly reduce the State's cash resources available to pay its ongoing
obligations. When the Legislature and the Governor failed to adopt a budget
for the 1992-93 Fiscal Year by July 1, 1992, which would have allowed the
State to carry out its normal annual cash flow borrowing to replenish its cash
reserves, the State Controller issued registered warrants to pay a variety of
obligations representing prior years' or continuing appropriations, and
mandates from court order. Available funds were used to make constitutionally-
mandated payments, such as debt service on bonds and warrants. Between July 1
and September 4, 1992, when the budget was adopted, the State Controller
issued a total of approximately $3.8 billion of registered warrants.
 
                                      47
<PAGE>
 
  For several years during the recession, the State was forced to rely
increasingly on external debt markets to meet its cash needs, as a succession
of notes and revenue anticipation warrants were issued in the period from June
1992 to July 1994, often needed to pay previously maturing notes or warrants.
These borrowings were used also in part to spread out the repayment of the
accumulated budget deficit over the end of a fiscal year, as noted earlier.
The last and largest of these borrowings was $4.0 billion of revenue
anticipation warrants which were issued in July, 1994 and matured on April 25,
1996.
 
  1995-96 Fiscal Year. The 1995-96 Budget Act was signed by the Governor on
August 3, 1995, 34 days after the start of the fiscal year. The Budget Act
projected general fund revenues and transfers of $44.1 billion, a 3.5%
increase from the prior year. Expenditures were budgeted at $43.4 billion, a
4% increase. The Budget Act also projected Special Fund revenues of $12.7
billion and appropriated Special Fund expenditures of $13.0 billion.
 
  Final data for the 1995-96 Fiscal Year showed revenues and transfers of
$46.1 billion, some $2 billion over the original fiscal year estimate, which
was attributed to the strong economic recovery. Expenditures also increased,
to an estimated $45.4 billion, as a result of the requirement to expend
revenues for schools under Proposition 98, and among other things, failure of
the federal government to enact welfare reform during the fiscal year and to
budget new aid for illegal immigrant costs, both of which had been counted on
to allow reductions in State costs. SFEU had a small negative balance of about
$87 million at June 30, 1996, all but eliminating the accumulated budget
deficit from the early 1990's. Available internal borrowable resources
(available cash, after payment of all obligations due) on June 30, 1996 was
about $3.8 billion, representing a significant improvement in the State's cash
position, and ending the need for deficit borrowing over the end of the fiscal
year. The State's improved cash position allowed it to repay the $4.0 billion
Revenue Anticipation Warrant issue on April 25, 1996, and to issue only $2.0
billion of revenue anticipation notes during the fiscal year, which matured on
June 28, 1996.
 
  The 1995-96 Budget Act included substantial additional funding under
Proposition 98 for schools and community colleges (about $1.0 billion general
fund and $1.2 billion total above 1994-95 levels). Because of higher than
projected revenues in 1994-95, an additional $561 million ($92 per K-12 ADA)
was appropriated to the 1994-95 Proposition 98 entitlement. A large part of
this was a block grant of about $50 per pupil for any one-time purpose. For
the first time in several years, a full 2.7 percent cost of living allowance
was funded. The budget was based on the settlement of the CTA v. Gould
litigation. Cuts in health and welfare costs totaled about $220 million,
almost $700 million less than had been anticipated, because of the failure by
the federal government to approve certain of these actions in a timely manner.
The federal government also failed to appropriate all but $31 million of an
anticipated $500 million in new federal aid for incarceration and health care
costs of illegal immigrants. Funding from the general fund for the University
of California was increased by $106 million and for the California State
University system by $97 million, with no increases in student fees.
 
  1996-97 Fiscal Year. The 1996-97 Budget Act was signed by the Governor on
July 15, 1996, along with various implementing bills. The Governor vetoed
about $82 million of appropriations (both general fund and Special Fund). With
the signing of the Budget Act, the State implemented its regular cash flow
borrowing program with the issuance of $3.0 billion of Revenue Anticipation
Notes to mature on June 30, 1997. The Budget Act appropriated a modest budget
reserve in the SFEU of $305 million, as of June 30, 1997. The Department of
Finance projected that, on June 30, 1997, the State's available internal
borrowing (cash) resources would be $2.9 billion, after payment of all
obligations due by that date, so that no cross-fiscal year borrowing will be
needed.
 
                                      48
<PAGE>
 
  Revenues. The Legislature rejected the Governor's proposed 15% cut in
personal income taxes (to be phased in over three years), but did approve a 5%
cut in bank and corporation taxes, to be effective for income years starting
in January 1, 1997. As a result, revenues for the Fiscal Year were estimated
to total $47.643 billion, a 3.3% increase over the final estimated 1995-96
revenues. Special Fund revenues were estimated to be $13.3 billion.
 
  Expenditures. The Budget Act contained general fund appropriations totaling
$47.251 billion, a 4.0% increase over the final estimated 1995-96
expenditures. Special Fund expenditures were budgeted at $12.6 billion.
 
  The following are principal features of the 1996-97 Budget Act:
 
    1. Proposition 98 funding for schools and community college districts
  increased by almost $1.6 billion (general fund) and $1.65 billion total
  above revised 1995-96 levels. Almost half of this money was budgeted to
  fund class-size reductions in kindergarten and grades 1-3. Also, for the
  second year in a row, the full cost of living allowance (3.2%) was funded.
  The Proposition 98 increases have brought K-12 expenditures to almost
  $4,800 per pupil (also called "per ADA" or "Average Daily Attendance"), an
  almost 15% increase over the level prevailing during the recession years.
  Community colleges will receive an increase in funding of $157 million for
  1996-97 out of this $1.6 billion total.
 
    Because of the higher than projected revenues in 1995-96, an additional
  $1.1 billion ($190 per K-12 ADA and $145 million for community colleges)
  was appropriated and retroactively applied towards the 1995-96 Fiscal Year
  Proposition 98 guarantee, bringing K-12 expenditures in that year to over
  $4,600 per ADA. These new funds were appropriated for a variety of
  purposes, including block grants, allocations for each school site,
  facilities for class size reduction, and a reading initiative. Similar
  retroactive increases totaling $230 million, based on final figures on
  revenues and State population growth, were made to the 1991-92 Fiscal Year
  and the 1994-95 Fiscal Year Proposition 98 guarantees, most of which was
  allocated to each school site.
 
    2. The Budget Act assumed savings of approximately $660 million in health
  and welfare costs which required changes in federal law, including federal
  welfare reform. The Budget Act further assumed federal law changes in
  August 1996 which would allow welfare cash grant levels to be reduced by
  October 1, 1996. These cuts totaled approximately $163 million of the
  anticipated $660 million savings.
 
    3. The Budget Act includes a 4.9% increase in funding for the University
  of California ($130 million general fund) and the California State
  University system ($101 million general fund), with no increases in student
  fees, maintaining the second year of the Governor's four-year "Compact"
  with the State's higher education units.
 
    4. The Budget Act assumed the federal government will provide
  approximately $700 million in new aid for incarceration and health care
  costs of illegal immigrants. These funds reduce appropriations in these
  categories that would otherwise have to be paid from the general fund. (For
  purposes of cash flow projections, the State Department of Finance expects
  $540 million of this amount to be received during the 1996-97 Fiscal Year.)
 
    5. General fund support for the State Department of Corrections was
  increased by about 7% over the prior year, reflecting estimates of
  increased prison population.
 
    6. With respect to aid to local governments, the principal new programs
  included in the Budget Act are $100 million in grants to cities and
  counties for law enforcement purposes, and budgeted $50 million for
  competitive grants to local governments for programs to combat juvenile
  crime.
 
                                      49
<PAGE>
 
  1997-98 Fiscal Year. Once the pension payment eliminated essentially all the
"increased" revenue in the budget, final agreement was reached within a few
weeks on the welfare package and the remainder of the budget. The Legislature
passed the 1997-98 Budget Bill on August 11, 1997, along with numerous related
bills to implement its provisions. Agreement was not finally reached, however,
on one aspect of the budget plan, concerning the Governor's proposal for a
comprehensive educational testing program.
 
  On August 18, 1997, the Governor signed the Budget Act, but vetoed about
$314 million of specific spending items, primarily in health and welfare and
education areas from both the General Fund and Special Funds. The Governor
announced that he was prepared to restore about $200 million of education
spending upon satisfactory completion of legislation on the education testing
program.
 
  The Budget Act anticipated General Fund revenues and transfers of $52.5
billion (a 6.8 percent increase over the final 1996-97 amount), and
expenditures of $52.8 billion (an 8.0 percent increase from the 1996-97
levels). On a budgetary basis, the budget reserve (SFEU) was projected to
decrease from $408 million at June 30, 1997 to $112 million at June 30, 1998.
As of January 9, 1998, the State Director of Finance estimated a reserve of
$329 million at June 30, 1998. (The expenditure figure assumes restoration of
$200 million in vetoed funding.) The Budget Act also included Special Fund
expenditures of $14.4 billion (as against estimated Special Fund revenues of
$14.0 billion), and $2.1 billion of expenditures from various Bond Funds. The
State has implemented its normal annual cash flow borrowing program, issuing
$3 billion of notes which matured on June 30, 1998.
 
  The following were major features of the 1997-98 Budget Act:
 
    1. The Budget contained a large increase in funding for K-14 education
  under Proposition 98, reflecting strong revenues which exceeded initial
  budgeted amounts. Part of the nearly $1.75 billion in increased spending
  was allocated to prior fiscal years. Funds were provided to fully pay for
  the cost-of-living increase component of Proposition 98, and to extend
  class size reduction and reading initiatives.
 
    2. The Budget Act reflected the $1.235 billion pension case judgment
  payment, and brought funding of the State's pension contribution back to
  the quarterly basis which existed prior to the deferral actions which were
  invalidated by the courts. There was no provision for any additional
  payments relating to this court case.
 
    3. Continuing the third year of a four-year "compact" which the
  Administration made with higher education units, funding from the General
  Fund for the University of California and California State University has
  increased by about 6 percent ($121 million and $107 million, respectively),
  and there was no increase in student fees.
 
    4. Because of the effect of the pension payment, most other State
  programs were continued at 1996-97 levels.
 
    5. Health and welfare costs were contained, continuing generally the
  grant levels from prior years, as part of the initial implementation of the
  new CalWORKs program.
 
    6. Unlike prior years, this Budget Act does not depend on federal budget
  actions. About $300 million in federal funds, already included in the
  federal FY 1997 and 1998 budgets, were included in the Budget Act, to
  offset incarceration costs for illegal aliens.
 
    7. The Budget Act contained no tax increases, and no tax reductions. The
  Renters Tax Credit was suspended for another year, saving approximately
  $500 million.
 
                                      50
<PAGE>
 
  Federal Welfare Reform. Congress passed and the President signed (on August
22, 1996) the Personal Responsibility and Work Opportunity Act of 1996 (the
"Law") making a fundamental reform of the current welfare system. Among many
provisions, the Law includes: (i) conversion of Aid to Families with Dependent
Children from an entitlement program to a block grant titled Temporary
Assistance for Needy Families ("TANF"), with lifetime time limits on TANF
recipients, work requirements and other changes; (ii) provisions denying
certain federal welfare and public benefits to legal noncitizens, allowing
states to elect to deny additional benefits (including TANF) to legal
noncitizens, and generally denying almost all benefits to illegal immigrants;
and (iii) changes in the Food Stamp program, including reducing maximum
benefits and imposing work requirements.
 
  As part of the 1997-98 Budget Act legislative package, the State Legislature
and Governor agreed on a comprehensive reform of the State's public assistance
programs to implement the new federal Law. The new basic State welfare program
is called California Work Opportunity and Responsibility to Kids Act
("CalWORKs"), which replaces the former Aid to Families with Dependent
Children (AFDC) and Greater Avenues to Independence (GAIN) programs effective
January 1, 1998. Consistent with the federal Law, CalWORKs contains new time
limits on receipt of welfare aid, both lifetime as well as for any current
time on aid. Administration of the new Welfare-to-Work programs will be
largely at the county level, and counties are given financial incentives for
success in this program.
 
  Although the longer-term impact of the new federal Law and CalWORKs cannot
be determined until there has been some experience, the State does not
presently anticipate that these new programs will have any adverse financial
impact on the General Fund. Overall TANF grants from the federal government
are expected to equal or exceed the amounts the State would have received
under the old AFDC program.
 
  Subsequent Events. The Department of Finance released updated estimates for
the 1997-98 Fiscal Year on January 9, 1998 as part of the Governor's 1998-99
Fiscal Year Budget Proposal. Total revenues and transfers are projected at
$52.9 billion, up approximately $360 million from the Budget Act projection.
Expenditures for the fiscal year are expected to rise approximately $200
million above the original Budget Act, to $53.0 billion. The balance in the
budget reserve, the SFEU, is projected to be $329 million at June 30, 1998,
compared to $461 million at June 30, 1997.
 
  Proposed 1998-99 Fiscal Year Budget. In January 1998, the Governor released
his Budget Proposal for the 1998-99 Fiscal Year which was revised in May 1998
(the "Governor's Budget"). The Governor's Budget projects General Fund
revenues and transfers of $57.8 billion, a $3.2 billion increase (5.9%) over
revised 1997-98 revenues. This revenue increase takes into account reduced
revenues of approximately $600 million from the 1997 tax cut package, but also
assumes approximately $500 million additional revenues primarily associated
with capital gains realizations. The Governor's Budget notes, however, that
capital gains activity and the resultant revenues derived from it are very
hard to predict.
 
  Total General Fund expenditures for 1998-99 are recommended at $58.2
billion, an increase of $5.2 billion (9.8%) above the revised 1997-98 level.
The Governor's Budget includes funds to pay the interest claim relating to the
court decision on pension fund payments, PERS v. Wilson described below. The
Governor's Budget projects that the State will carry out its normal intra-year
cash flow external borrowing in 1998-99, in an estimated amount of $3.0
billion. The Governor's Budget projects that budget reserve will be $1.6
billion at June 30, 1999, slightly lower than the projected level at June 30,
1998.
 
  The Governor's Budget projects Special Fund revenues of $14.7 billion and
Special Fund expenditures of $15.2 billion in the 1998-99 Fiscal Year. A total
of $3.2 billion of bond fund expenditures are also proposed.
 
                                      51
<PAGE>
 
  Pursuant to Article IV, Section 13(c) of the Constitution of the State of
California, the State Legislature is required to adopt its budget for the
upcoming fiscal year (July 1-June 30) by midnight of June 15th, and in the
absence of which, the Legislature may not send to the Governor for
consideration any bill appropriating funds for expenditure during the fiscal
year for which the budget bill is to be enacted, except emergency bills or
appropriations for the salaries and expenses of the Legislature.
 
  For the current fiscal year, as has been true since the late 1980's, the
State Legislature did not adhere to this deadline. Due to the Legislature's
failure to comply with this constitutional requirement, the Howard Jarvis
Taxpayers Association sought an injunction in a Los Angeles Superior Court to
prohibit the State from making certain types of payments in the absence of an
adopted budget. On July 21, 1998, the preliminary injunction was issued. Under
the terms of the injunction order, until such time as the budget has been
adopted, the State may not make any payments from the State treasury for
Fiscal Year 1998-99 except for the following:
 
  (1) salaries and expenses of the Legislature;
 
  (2) payments pursuant to the emergency legislation enacted by AB 2776 and
      AB 1301, respectively, for back interest earnings on deferred employer
      retirement contributions and appropriation of funds relating to trial
      court funding;
 
  (3) payments pursuant to appropriations enacted in response to future
      emergency bills recommended by the Governor;
 
  (4) payments pursuant to specific 1997-98 appropriations enacted prior to
      July 1, 1998, specifically for expenditures to be made in 1998-99; and
 
  (5) "minimum wages" and "overtime wages" for employees covered by the Fair
      Labor Standards Act for work done prior to the date of the order.
 
  On July 22, 1998, the Legislature unanimously passed an $18.9 billion
emergency-spending bill to cover the costs of, among others, bond payments,
paychecks for state workers, retirement pensions, prisons, school and welfare
payments from July 1st through August 5th.
 
  However, before a final resolution of the legal issues raised by the
plaintiff, a budget for fiscal year 1998-99 was passed by the Legislature on
August 11, 1998 and sent to the Governor for signature.
 
LOCAL GOVERNMENTS
 
  The primary units of local government in California are the counties,
ranging in population from 1,300 (Alpine) to over 9,000,000 (Los Angeles).
Counties are responsible for the provision of many basic services, including
indigent healthcare, welfare, courts, jails and public safety in
unincorporated areas. There are also about 480 incorporated cities and
thousands of other special districts formed for education, utility and other
services. The fiscal condition of local governments has been constrained since
the enactment of "Proposition 13" in 1978, which reduced and limited the
future growth of property taxes and limited the ability of local governments
to impose "special taxes" (those devoted to a specific purpose) without two-
thirds voter approval. Counties, in particular, have had fewer options to
raise revenues than many other local governmental entities, and have been
required to maintain many services.
 
  The entire statewide welfare system has been changed in response to the
change in federal welfare law enacted in 1996 (see "Federal Welfare Reform"
above). Under the CalWORKs program, counties are given
 
                                      52
<PAGE>
 
flexibility to develop their own plans, consistent with State law, to
implement Welfare-to-Work and to administer many of its elements and their
costs for administrative and support services are capped at 1996-97 levels.
Counties are also given financial incentives if, at the individual county
level or statewide, the CalWORKs program produces savings associated with
specified Welfare-to-Work outcomes; counties may also suffer penalties for
failing to meet federal standards. Under CalWORKs, counties will still be
required to provide "general assistance" aid to certain persons who cannot
obtain welfare from other programs.
 
  Historically, funding for the State's trial court system was divided between
the State and the counties. However, Chapter 850, Statues of 1997, implements
a restructuring of the State's trial court funding system. In 1997-98, funding
for the courts, with the exception of costs for facilities, local judicial
benefits, and revenue collection, was consolidated at the State level. The
county contribution for both their general fund and fine and penalty amounts
is capped at the 1994-95 level and becomes part of the Trial Court Trust Fund,
which supports all trial court operations. The State assumes responsibility
for future growth in trial court funding. This consolidation is intended to
streamline the operation of the courts, provide a dedicated revenue source,
and relieve fiscal pressure on the counties.
 
  In the aftermath of Proposition 13, the State provided aid from the general
fund to make up some of the loss of property tax moneys, including taking over
the principal responsibility for funding local K-12 schools and community
colleges. Under the pressure of the recent recession, the Legislature has
eliminated remnants of this post-Proposition 13 aid to entities other than K-
14 education districts, although it has also provided additional funding
sources (such as sales taxes) and reduced mandates for local services. Many
counties continue to be under severe fiscal stress. While such stress has in
recent years most often been experienced by smaller, rural counties, larger
urban counties, such as Los Angeles, have also been affected. Orange County
implemented significant reductions in services and personnel, and continues to
face fiscal constraints in the aftermath of its bankruptcy, which has been
caused by large investment losses in its pooled investment funds.
 
  On November 5, 1996, voters approved Proposition 218, entitled the "Right to
Vote on Taxes Act," which incorporates new Articles XIIIC and XIIID into the
California Constitution. These new provisions enact limitations on the ability
of local government agencies to impose or raise various taxes, fees, charges
and assessments without voter approval. Certain "general taxes" imposed after
January 1, 1995 must be approved by voters in order to remain in effect. In
addition, Article XIIIC clarifies the right of local voters to reduce taxes,
fees, assessments to changes through local initiatives.
 
  Proposition 218 does not affect the State or its ability to levy or collect
taxes. There are a number of ambiguities concerning the Proposition and its
impact on local governments and their bonded debt which will require
interpretation by the courts or the State Legislature. The State Legislature
Analyst estimated that enactment of Proposition 218 would reduce local
government revenues statewide by over $100 million a year, and that over time
revenues to local government would be reduced by several hundred million
dollars.
 
CONSTITUTIONAL AND STATUTORY LIMITATIONS; RECENT INITIATIVES; PENDING
LEGISLATION
 
  Constitutional and Statutory Limitations. Article XIIIA of the California
Constitution (which resulted from the voter-approved Proposition 13 in 1978)
limits the taxing powers of California public agencies, Article XIIIA,
provides that the maximum ad valorem tax on real property cannot exceed 1% of
the "full cash value" of the property and effectively prohibits the levying of
any other ad valorem tax on real property for general purposes. However, on
May 3, 1986, Proposition 46, an amendment to Article XIIIA, was approved by
the voters
 
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<PAGE>
 
of the State of California, creating a new exemption under Article XIIIA
permitting an increase in ad valorem taxes on real property in excess of 1%
for bonded indebtedness approved by two-thirds of the voters voting on the
proposed indebtedness, "Full cash value" is defined as "the County Assessor's
valuation of real property as shown on the 1975-76 Fiscal Year tax bill under
"full cash value' or, thereafter, the appraised value of real property when
purchased, newly constructed, or a change in ownership has occurred after the
1975 assessment." The "full cash value" is subject to annual adjustment to
reflect increases (not to exceed 2%) or decreases in the consumer price index
or comparable local data, or to reflect reductions in property value caused by
damage, destruction or other factors.
 
  Article XIIIB of the California Constitution limits the amount of
appropriations of the State and of the local governments to the amount of
appropriations of the entity for the prior year, adjusted for changes in the
cost of living, population and the services that local government has
financial responsibility for providing. To the extent that the revenues of the
State and/or local government exceed its appropriations, the excess revenues
must be rebated to the public either directly or through a tax decrease.
Expenditures for voter-approved debt services are not included in the
appropriations limit.
 
  At the November 9, 1988 general election, California voters approved an
initiative known as Proposition 98. This initiative amends Article XIIIB to
require that (i) the California Legislature establish a prudent state reserve
fund in an amount it shall deem reasonable and necessary and (ii) revenues in
excess of amounts permitted to be spent and which would otherwise be returned
pursuant to Article XIIIB by revision of tax rates or fee schedules be
transferred and allocated (up to a maximum of 40%) to the State School Fund
and be expended solely for purposes of instructional improvement and
accountability. Proposition 98 also amends Article XVI to require that the
State of California provide a minimum level of funding for public schools and
community colleges. Commencing with the 1988-89 Fiscal Year, money to be
applied by the State for the support of school districts and community college
districts shall not be less than the greater of: (i) the amount which, as a
percentage of the State general fund revenues which may be appropriated
pursuant to Article XIIIB, equals the percentage of such State general fund
revenues appropriated for school districts and community college districts,
respectively, in the 1986-87 Fiscal Year or (ii) the amount required to insure
that the total allocations to school districts and community college districts
from the State general fund proceeds of taxes appropriated pursuant to Article
XIIIB and allocated local proceeds of taxes shall not be less than the total
amount from these sources in the prior year, adjusted for increases in
enrollment and adjusted for changes in the cost of living pursuant to the
provisions of Article XIIIB. The initiative permits the enactment of
legislation, by a two-thirds vote, to suspend the minimum funding requirements
for one year. As a result of Proposition 98, funds that the State might
otherwise make available to its political subdivisions may be allocated
instead to satisfy such minimum funding level.
 
  During the recent recession, general fund revenues for several years were
less than originally projected, so that the original Proposition 98
appropriations turned out to be higher than the minimum percentage provided in
the law. The Legislature responded to these developments by designating the
"extra" Proposition 98 payments in one year as a "loan" from future years'
Proposition 98 entitlements and also intended that the "extra" payments would
not be included in the Proposition 98 "base" for calculating future years'
entitlements. By implementing these actions, per-pupil funding from
Proposition 98 sources stayed almost constant at approximately $4,220 from the
1991-92 Fiscal Year to the 1993-94 Fiscal Year.
 
  In 1992, a lawsuit was filed, called California Teachers' Association v.
Gould, which challenged the validity of these off-budget loans. The settlement
of this case, finalized in July, 1996, provides, among other things, that
 
                                      54
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both the State and K-14 schools share in the repayment of prior years'
emergency loans to schools. Of the total $1.76 billion in loans, the State
will repay $935 million by forgiveness of the amount owed, while schools will
repay $825 million. The State share of the repayment will be reflected as an
appropriation above the current Proposition 98 base calculation. The schools'
share of the repayment will count either as appropriations that count toward
satisfying the Proposition 98 guarantee, or as appropriations from "below" the
current base. Repayments are spread over the eight-year period of the 1994-95
Fiscal Year through the 2001-02 Fiscal Year to mitigate any adverse fiscal
impact.
 
  Substantially increased general fund revenues, above initial budget
projections, in the 1994-95, 1995-96 and 1996-97 fiscal years have resulted or
will result in retroactive increases in Proposition 98 appropriations from
subsequent fiscal years' budgets.
 
  On November 8, 1994, the voters approved Proposition 187, an initiative
statute ("Proposition 187"). Proposition 187 specifically prohibits funding by
the State of social services, health care services and public school education
for the benefit of any person not verified as either a United States citizen
or a person legally admitted to the United States. Among the provisions in
Proposition 187 pertaining to public school education, the measure requires,
commencing January 1, 1995, that every school district in the State verify the
legal status of every child enrolling in the district for the first time. By
January 1, 1996, each school district must also verify the legal status of
children already enrolled in the district and of all parents or guardians of
all students. If the district "reasonably suspects" that a student, parent or
guardian is not legally in the United States, that district must report the
student to the United States Immigration and Naturalization Service and
certain other parties. The measure also prohibits a school district from
providing education to a student it does not verify as either a United States
citizen or a person legally admitted to the United States. The State
Legislative Analyst estimates that verification costs could be in the tens of
millions of dollars on a statewide level (including verification costs
incurred by other local governments), with first-year costs potentially in
excess of $100 million.
 
  The reporting requirements may violate the Family Educational Rights and
Privacy Act ("FERPA"), which generally prohibits schools that receive federal
funds from disclosing information in student records without parental consent.
Compliance with FERPA is a condition of receiving federal education funds,
which total $2.3 billion annually to California school districts. The
Secretary of the United States Department of Education has indicated that the
reporting requirements in Proposition 187 could jeopardize the ability of
school districts to receive these funds.
 
  Opponents of Proposition 187 have filed at least eight lawsuits challenging
the constitutionality and validity of the measure. On November 2, 1995, a
District Court judge struck down the central provisions of Proposition 187 by
ruling that parts of Propositions 187 conflict with federal power over
immigration. The ruling concluded that states may not enact their own schemes
to "regulate immigration or devise immigration regulations which can parallel
or purport to supplement Federal immigration law." As a consequence of the
ruling, students may not be denied public education and may not be asked about
their immigration status when enrolling in public schools. Further, the ruling
struck down the requirements of Proposition 187 that teachers and district
employees report information on the immigrant status of students, parents and
guardians. An appeal has been filed.
 
  Article XIIIA, Article XIIIB and a number of other propositions were adopted
pursuant to California's constitutional initiative process. From time to time,
other initiative measures could be adopted by California voters. The adoption
of any such initiatives may cause California issuers to receive reduced
revenues, or to increase expenditures, or both.
 
                                      55
<PAGE>
 
  Pending Litigation. The State is a party to numerous legal proceedings, many
of which normally occur in governmental operations. Some of the more
significant lawsuits pending against the State are described herein.
 
  The State is involved in a lawsuit, Thomas Hayes v. Commission on State
Mandates, related to the state-mandated costs. The action involves an appeal
by the Director of Finance from a 1984 decision by the State Board of Control
(now succeeded by the Commission on State Mandates). The Board of Control
decided in favor of local school districts' claims for reimbursement for
special education programs for handicapped students. The case was then brought
to the trial court by the State and later remanded to the Commission on State
Mandates for redetermination. The Commission on State Mandates has since
expanded the claim to include supplemental claims filed by seven other
educational institutions; the issuance of a final consolidated decision is
anticipated sometime in early 1997. To date, the Legislature has not
appropriated funds. The liability to the State, if all potentially eligible
school districts pursue timely claims, has been estimated by the Department of
Finance at more than $1 billion.
 
  The State is involved in a lawsuit related to contamination at the
Stringfellow toxic waste site. In United States, People of the State of
California v. J. B. Stringfellow, Jr., et. al., the State is seeking recovery
for post costs of cleanup of the site, a declaration that the defendants are
jointly and severally liable for future costs, and an injunction ordering
completion of the cleanup. However, the defendants have filed a counterclaim
against the State for alleged negligent acts. Because the State is the present
owner of the site, the State may be found liable. Present estimates of the
cleanup range from $300 million to $800 million.
 
  The State is a defendant in a coordinated action involving 3,000 plaintiffs
seeking recovery for damages caused by the Yuba River flood of February 1986.
The appellate court affirmed the trial court finding of liability in inverse
condemnation and awarded damages of $500,000 to 12 sample plaintiffs.
Potential liability to the remaining 300 plaintiffs, from claims filed, ranges
from $800 million to $1.5 billion. An appeal has been filed.
 
  The State is a defendant in Just Say No To Tobacco Dough Campaign v. State
of California, where the petitioners challenge the appropriation of
approximately $166 million of Proposition 99 funds in the Cigarette and
Tobacco Products Surtax Fund for years ended June 30, 1990, through June 30,
1995 for programs which were allegedly not health education or tobacco-related
disease research. If the State loses, the general fund and funds from other
sources would be used to reimburse the Cigarette and Tobacco Products Surtax
Fund for approximately $166 million.
 
  The State is a defendant in the case of Kurt Hathaway, et al. v. Wilson, et
al., where the plaintiffs are challenging the legality of various budget
action transfers and appropriations from particular special funds for years
ended June 30, 1995, and June 30, 1996. The plaintiffs allege that the
transfers and appropriations are contrary to the substantive law establishing
the funds and providing for interest accruals to the funds, violate the single
subject requirement of the State Constitution, and is an invalid "special
law." Plaintiffs seek to have monies totaling approximately $335 million
returned to the special funds.
 
  The State is a defendant in two related cases, Beno vs. Sullivan (Beno) and
Welch v. Anderson (Welch), concerning reductions in Aid to Families with
Dependent Children ("AFDC") grant payments. In the Beno case, plaintiffs seek
to invalidate AFDC grant reductions and in the Welch case, plaintiffs contend
that AFDC grant reductions are not authorized by state law. The Beno case
concerns the total grant reductions while the Welch case concerns the period
of time the State did not have a waiver for those reductions. The State's
potential liability for retroactive AFDC grant reductions is estimated at $831
million if the plaintiffs are awarded the full amount in both cases.
 
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<PAGE>
 
  In the case of Board of Administration, California Public Employees'
Retirement System, et al. v. Pete Wilson, Governor, et al., plaintiffs
challenged the constitutionality of legislation which deferred payment of the
State's employer contribution to the Public Employees' Retirement System
("PERS") beginning in the 1992-93 Fiscal Year. On January 11, 1995, the
Sacramento County Superior Court entered a judgment finding that the
legislation unconstitutionally impaired the vested contract rights of PERS
members. The judgment provides for issuance of a writ of mandate directing
State defendants to disregard the provisions of the legislation, to implement
the statute governing employer contributions that existed before the changes
in the legislation were found to be unconstitutional and to transfer to PERS
the contributions that are unpaid to date. On February 19, 1997, the State
Court of Appeals affirmed the decision of the Superior Court, and the Supreme
Court subsequently refused to hear the case, making the Court of Appeals'
ruling final. On July 30, 1997, the Controller transferred $1.235 billion from
the General Fund to PERS in repayment of the principal amount determined to
have been improperly deferred. Subsequent State payments to PERS will be made
on a quarterly basis. No prejudgment interest has been paid in accordance with
the trial court ruling that there was insufficient evidence that money for
that purpose had been appropriated and was available. No post-judgment
interest was ordered. PERS has filed a claim with the State Board of Control
in the amount of $308 million for the accrued interest on the judgment. PERS
also seeks interest on the unpaid accrued interest amount. The State Board of
Control approved this claim in March 1998.
 
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                                  APPENDIX II
 
                          RATINGS OF MUNICIPAL BONDS
 
DESCRIPTION OF MOODY'S INVESTORS SERVICE, INC. ("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
     payment 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 categories which Moody's
believes possess the strongest credit attributes within those categories are
designated by the symbols Aa1, A1, Baa1, Ba1 and B1.
 
 
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<PAGE>
 
  Short-term Notes: The four ratings of Moody's for short-term notes are MIG
1/VMIG1, MIG 2/VMIG2, MIG 3/VMIG3 and MIG 4/VMIG4; MIG 1/VMIG1 denotes "best
quality . . . strong protection by established cash flows"; MIG 2/VMIG2
denotes "high quality" with ample margins of protection; MIG 3/VMIG3 notes are
of "favorable quality . . . but . . . lacking the undeniable strength of the
preceding grades"; MIG 4/VMIG4 notes are of "adequate quality . . .
[p]rotection commonly regarded as required of an investment security is
present . . . there is specific risk."
 
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 ability of
rated issuers:
 
  Issuers rated Prime-1 (or related supporting institutions) have a superior
ability for repayment of short-term promissory obligations. Prime-1 repayment
ability will often be evidenced by the following characteristics: leading
market positions in well established industries; high rates of return on funds
employed; conservative capitalization structure 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 related 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 effect of
industry characteristics and market composition may be more pronounced.
Variability in earnings and profitability may result in changes in 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 issue credit 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 financial
program. It takes into consideration the creditworthiness of guarantors,
insurers or other forms of credit enhancement on the obligation.
 
  The issue credit 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.
 
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<PAGE>
 
  The ratings are based on current information furnished by the obligors or
obtained by Standard & Poor's from other sources it 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 other circumstances.
 
  The ratings are based, in varying degrees, on the following considerations:
 
     I.  Likelihood of payment-capacity and willingness of the obligor to meet
         its financial commitment on an obligation in accordance with the terms
         of obligation;

    II.  Nature of and provisions of the obligation; and
 
   III.  Protection afforded by, 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. The obligor's capacity to meet its financial commitment
              on the obligation is extremely strong.
 
          AA  Debt rated "AA" differs from the highest rated obligations 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 to the obligation.
 
          BB  Debt rated "BB," "B," "CCC," "CC" and "C" is regarded as having
           B  significant speculative characteristics. "BB" indicates the
         CCC  least degree of speculation and "C" the highest degree of
          CC  speculation. While such bonds will likely have some quality and
           C  protective characteristics, these may be outweighed by large
              uncertainties or major exposures to adverse conditions.
 
           D  Debt rated "D" is in payment default. The "D" rating category is
              used 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 a 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.
 
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<PAGE>
 
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 highest category 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".
 
   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.
 
DESCRIPTION OF STANDARD & POOR'S SHORT-TERM ISSUED CREDIT RATING
 
  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.
 
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<PAGE>
 
DESCRIPTION OF FITCH IBCA, INC. ("FITCH") RATINGS
 
  Fitch credit ratings are an opinion on the ability of an entity or of a
securities issue to meet financial commitments, such as interest-preferred
dividends, or repayment of principal, on a timely basis.
 
  Credit ratings are used by investors as indications of the likelihood of
getting their money back in accordance with the terms on which they invested.
Thus, the use of credit ratings defines their function: "investment-grade"
ratings (international long-term "AAA'--"BBB' categories; short-term "F1'--
"F3') indicate a relatively low probability of default, while those in the
"speculative" or "non-investment grade" categories (international long-term
"BB'--"D'; short-term "B'--"D') either signal a higher probability of default
or that a default has already occurred. Ratings imply no specific prediction
of default probability.
 
  Entities or issues 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 credit and other 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 any payments of any security. The 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 or
withdrawn as a result of changes in, or the unavailability of, information or
for other reasons.
 
INTERNATIONAL CREDIT RATINGS
 
  Fitch's international credit ratings are applied to the spectrum of
corporate, structured, and public finance. They cover sovereign (including
supranational and subnational), financial, bank, insurance, and other
corporate entities and the securities they issue, as well as municipal and
other public finance entities, and securities backed by receivables or other
financial assets, and counterparties. When applied to an entity, these long-
and short-term ratings assess its general creditworthiness on a senior basis.
When applied to specific issues and programs, these ratings take into account
the relative preferential position of the holder of the security and reflect
the terms, conditions, and covenants attaching to that security.
 
ANALYTICAL CONSIDERATIONS
 
  When assigning ratings, Fitch considers the historical and prospective
financial condition, quality of management, and operating performance of the
issuer and of any guarantor, any special features of a specific issue or
guarantee, the issue's relationship to other obligations of the issuer, as
well as developments in the economic and political environment that might
affect the issuer's financial strength and credit quality.
 
  Investment-grade ratings reflect expectations of timeliness of payment.
However, ratings of different classes of obligations of the same issuer may
vary based on expectations of recoveries in the event of a default or
liquidation. Recovery expectations, which are the amounts expected to be
received by investors after a security defaults, are a relatively minor
consideration in investment-grade ratings, but Fitch does use "notching" of
particular issues to reflect their degree of preference in a winding up,
liquidation, or reorganization, as well as other factors. Recoveries do,
however, gain in importance at lower rating levels, because of the greater
likelihood of default, and become the major consideration at the "DDD'
category. Factors that affect recovery expectations include collateral and
seniority relative to other obligations in the capital structure.
 
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<PAGE>
 
  Variable rate demand obligations and other securities which contain a demand
feature will have a dual rating, such as "AAA/F1+'. The first rating denotes
long-term ability to make principal and interest payments. The second rating
denotes ability to meet a demand feature in full and on time.
 
INTERNATIONAL LONG-TERM CREDIT RATINGS
 
 Investment Grade
 
AAA    Highest credit quality. "AAA' ratings denote the lowest expectation of
       credit risk. They are assigned only in case of exceptionally strong
       capacity for timely payment of financial commitments. This capacity is
       highly unlikely to be adversely affected by foreseeable events.
 
AA     Very high credit quality. "AA' ratings denote a very low expectation of
       credit risk. They indicate strong capacity for timely payment of
       financial commitments. This capacity is not significantly vulnerable to
       foreseeable events.
 
A      High credit quality. "A' ratings denote a low expectation of credit
       risk. The capacity for timely payment of financial commitments is
       considered strong. This capacity may, nevertheless, be more vulnerable
       to changes in circumstances or in economic conditions than is the case
       for higher ratings.
 
BBB    Good credit quality. "BBB' ratings indicate that there is currently a
       low expectation of credit risk. The capacity for timely payment of
       financial commitments is considered adequate, but adverse changes in
       circumstances and in economic conditions are more likely to impair this
       capacity. This is the lowest investment grade category.
 
 Speculative Grade
 
BB     Speculative. "BB' ratings indicate that there is a possibility of
       credit risk developing, particularly as the result of adverse economic
       change overtime; however, business or financial alternatives may be
       available to allow financial commitments to be met. Securities rated in
       this category are not investment grade.
 
B      Highly speculative. "B' ratings indicate that significant credit risk
       is present, but a limit margin of safety remains. Financial commitments
       are currently being met; however, capacity for continued payment is
       contingent upon a sustained, favorable business and economic
       environment.
 
CCC    High default risk. Default is a real possibility. Capacity for meeting
       financial commitments is solely reliant upon sustained, favorable
       business or economic developments. A "CC' rating indicates that default
       of some kind appears probable. "C' ratings signal imminent default.
 
DDD    Default. Securities are not meeting current obligations and are
       extremely speculative. "DDD' designates the highest potential for
       recovery of amounts outstanding on any securities involved. For U.S.
       corporates, for example, "DD' indicates expected recovery 50%-90% of
       such outstandings, and "D' the lowest recovery potential, i.e. below
       50%.
 
INTERNATIONAL SHORT-TERM CREDIT RATINGS
 
  A short-term rating has a time horizon of less than 12 months for most
obligations, or up to three years for U.S. public finance securities, and thus
places greater emphasis on the liquidity necessary to meet financial
commitments in a timely manner.
 
                                      63
<PAGE>
 
F1   Highest credit quality. Indicates the strongest capacity for timely
     payment of financial commitments; may have an added "+" to denote any
     exceptionally strong credit feature.
 
F2   Good credit quality. A satisfactory capacity for timely payment of
     financial commitments, but the margin of safety is not as great as in
     the case of the higher ratings.
 
F3   Fair credit quality. The capacity for timely payment of financial
     commitments is adequate; however, near-term adverse changes could
     result in a reduction to non-investment grade.
 
B    Speculative. Minimal capacity for timely payment of financial
     commitments, plus vulnerability to near-term adverse changes in
     financial and economic conditions.
 
C    High default risk. Default is a real possibility. Capacity for meeting
     financial commitments is solely reliant upon a sustained, favorable
     business and economic environment.
 
D    Default. Denotes actual or imminent payment default.
 
- --------
Notes:
 
  "+" or "-" may be appended to a rating to denote relative status within
major rating categories. Such suffixes are not added to the "AAA' long-term
rating category, to categories below "CCC', or to short-term ratings other
than "F1'.
 
  "NR' indicates that Fitch does not rate the issuer or issue in question.
 
  "Withdrawn': A rating is withdrawn when Fitch deems the amount of
information available to be inadequate for rating purposes, or when an
obligation matures, is called, or refinanced.
 
  RatingWatch: Ratings are placed on RatingWatch to notify investors that
there is a reasonable probability of a rating change and the likely direction
of such change. These are designated as "Positive", indicating a potential
upgrade, "Negative", for a potential downgrade, or "Evolving", if ratings may
be raised, lowered or maintained. RatingWatch is typically resolved over a
relatively short period.
 
                                      64
<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 California 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
California 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 California
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 its 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 California 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 fund will seek to utilize insurance companies that 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 ("Moody's"). There
can be no assurance however, that insurance from insurance carriers meeting
these criteria will be at all times available.
 
  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.
Capacity to honor insurance contracts is considered by S&P to be extremely
strong and highly likely to remain so over a long period of time. 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 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. 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.
 
                                      65
<PAGE>
 
  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.
 
                                      66
<PAGE>
 
                                  APPENDIX IV
 
<TABLE>   
<CAPTION>
                                                                      A TAX-FREE YIELD OF
                                                              -----------------------------------
          TAXABLE INCOME*                            1998
- ------------------------------------ 1998 FEDERAL CALIFORNIA
  SINGLE RETURN      JOINT RETURN    TAX BRACKET  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>   <C>
$ 26,645-$ 33,673  $ 53,288-$ 67,346    28.00%       8.0%     7.55   8.30  9.06  9.81 10.57 11.32
$ 33,674-$ 61,400  $ 67,347-$102,300    28.00%       9.3%     7.66   8.42  9.19  9.95 10.72 11.48
$ 61,401-$128,100  $102,301-$155,950    31.00%       9.3%     7.99   8.79  9.59 10.39 11.19 11.98
$128,101-$278,450  $155,951-$278,450    36.00%       9.3%     8.61   9.47 10.34 11.20 12.06 12.92
Over $278,450      Over $278,450        39.60%       9.3%     9.13  10.04 10.95 11.87 12.78 13.69
</TABLE>    
                      TAXABLE EQUIVALENT YIELDS FOR 1998
 
 
- --------
   
* 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. For investors who pay alternative minimum tax, tax-free
  yields may be equivalent to lower taxable yields than those shown above.
  Shareholders subject to income taxation by states other than California will
  realize a lower after-tax return than California shareholders. This table is
  a combination of the Federal and California taxable income brackets, which
  are adjusted annually for inflation. The California taxable yields set forth
  in the above table presume that taxpayers in each Federal tax bracket are in
  the highest California tax bracket corresponding to that Federal bracket.
  The tax rates shown above do not apply to corporate taxpayers subject to the
  California corporate franchise tax. 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.     
 
                                      67
<PAGE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY REPRE-
SENTATIONS NOT CONTAINED IN THIS PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFOR-
MATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED.
THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFERING OF ANY SECURITIES OTHER THAN
THE REGISTERED SECURITIES TO WHICH IT RELATES OR AN OFFER TO ANY PERSON IN ANY
STATE OR JURISDICTION OF THE UNITED STATES OR ANY COUNTRY WHERE SUCH OFFER
WOULD BE UNLAWFUL.
 
                                ---------------
 
                               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....................................................  23
Directors and Officers.....................................................  25
Investment Advisory and Management Arrangements............................  27
Portfolio Transactions.....................................................  29
Dividends and Distributions................................................  30
Taxes......................................................................  30
Automatic Dividend Reinvestment Plan.......................................  34
Mutual Fund Investment Option..............................................  36
Net Asset Value............................................................  37
Description of Capital Stock...............................................  37
Custodian..................................................................  40
Underwriting...............................................................  40
Transfer Agent, Dividend Disbursing Agent and Registrar....................  42
Legal Opinions.............................................................  42
Experts....................................................................  42
Additional Information.....................................................  43
Report of Independent Auditors.............................................  44
Statement of Assets, Liabilities and Capital...............................  45
Appendix I.................................................................  46
Appendix II................................................................  58
Appendix III...............................................................  65
Appendix IV................................................................  67
</TABLE>    
 
                                ---------------
   
  UNTIL DECEMBER 21, 1998 (90 DAYS AFTER THE COMMENCEMENT OF THE OFFERING), ALL
DEALERS EFFECTING TRANSACTIONS IN THE COMMON STOCK, WHETHER OR NOT PARTICIPAT-
ING IN THIS DISTRIBUTION, MAY BE REQUIRED TO DELIVER A PROSPECTUS. THIS DELIV-
ERY REQUIREMENT IS IN ADDITION TO THE OBLIGATION OF DEALERS TO DELIVER A PRO-
SPECTUS WHEN ACTING AS UNDERWRITERS AND WITH RESPECT TO THEIR UNSOLD ALLOTMENTS
OR SUBSCRIPTIONS.     
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
                                
                             6,500,000 SHARES     
 
                 MUNIHOLDINGS CALIFORNIA INSURED FUND III, INC.
 
                                  COMMON STOCK
 
                                ---------------
 
                                   PROSPECTUS
 
                                ---------------
 
                              MERRILL LYNCH & CO.
                               
                            SEPTEMBER 22, 1998     
 
                                                                 CODE 19045-0998
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<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 September 17, 1998
        
  (2) Exhibits:
       
    (a)(1)--Articles of Incorporation(a)     
       
    (b)--By-Laws(a)     
    (c)--Not applicable
       
    (d)(1)--Portions of the Articles of Incorporation and By-Laws of the
           Registrant defining the rights of holders of shares of the
           Registrant(b)     
       
    (d)(2)--Form of specimen certificate for shares of Common Stock of the
    Registrant(a)     
       
    (e)--Form of Dividend Reinvestment Plan(a)     
    (f)--Not applicable
       
    (g)--Form of Investment Advisory Agreement between the Fund and the
    Investment Adviser(a)     
       
    (h)(1)--Form of Purchase Agreement(a)     
       
    (h)(2)--Merrill Lynch Standard Dealer Agreement(a)     
    (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)--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) Reference is made to the Registrant's Registration Statement on Form N-2
    (File Nos. 333-61963, and 811-08973) filed with the Securities and
    Exchange Commission on August 21, 1998.     
   
(b) Reference is made to Article V, Article VI (sections 2, 3, 4, 5 and 6),
    Article VII, Article VIII, Article X, Article XI, Article XII and Article
    XIII of the Registrant's Articles of Incorporation, 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) Reference is made to the Registrant's Registration Statement on Form N-2
    (File Nos. 333-63771, and 811-08973) filed with the Commission on
    September 18, 1998.     
       
ITEM 25. MARKETING ARRANGEMENTS.
   
  See Exhibits (h)(1) and (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.................................................. $ 33,077
   New York Stock Exchange listing fee................................   95,100
   Printing (other than stock certificates)...........................   45,000
   Engraving and printing stock certificates..........................   20,000
   Legal fees and expenses............................................   55,000
   Accounting fees and expenses.......................................    7,000
   NASD fees..........................................................   11,713
   Miscellaneous......................................................    3,110
                                                                       --------
     Total............................................................ $270,000
                                                                       ========
</TABLE>    
 
ITEM 27. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT.
 
  The information in the Prospectus under the caption "Investment Advisory and
Management Arrangements" 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 Stock, par value $0.10 per
share, as of the effective date of this Registration Statement.
 
ITEM 29. INDEMNIFICATION.
 
  Section 2-418 of the General Corporation Law of the State of Maryland,
Article VI of the Registrant's Articles of Incorporation, filed as Exhibit
(a)(1) to this Registration Statement, Article VI of the Registrant's By-Laws,
filed as Exhibit (b) to this Registration Statement, and the Investment
Advisory Agreement, a form of which is filed as Exhibit (g)(1) to this
Registration Statement, provide for indemnification.
 
  Insofar as indemnification for liabilities arising under the Securities Act
of 1933, as amended (the "1933 Act") may be provided to directors, 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 director, 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
is filed as Exhibit (h)(1) hereto, for provisions relating to the
indemnification of the underwriter.
 
                                      C-2
<PAGE>
 
ITEM 30. BUSINESS AND OTHER CONNECTIONS OF THE INVESTMENT ADVISER.
 
  Fund Asset Management, L.P. (the "Investment Adviser"), an affiliate of MLAM
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 Florida Insured Fund, MuniHoldings Florida
Insured Fund II, MuniHoldings Insured Fund, Inc., MuniHoldings New Jersey
Insured Fund, Inc., MuniHoldings New York Fund, Inc., MuniHoldings New York
Insured Fund, Inc., MuniInsured Fund, Inc., MuniVest Florida Fund, MuniVest
Fund, Inc., MuniVest Fund II, Inc., 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 Fund For Tomorrow, 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
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 Equity Portfolio, two investment portfolios
of EQ Advisors Trust.
 
  The address of each of these registered 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
 
                                      C-3
<PAGE>
 
Intermediate Government Bond Fund is One Financial Center, 23rd Floor, Boston,
Massachusetts 02111-2665. The address of the Investment Adviser, MLAM,
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,
North Tower, 250 Vesey Street, New York, New York 10281-1201.
 
  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 first two paragraphs of this Item 30 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 directors or officers of one or
more of such companies.
 
<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 FAM
 Princeton         General Partner          General Partner of MLAM
  Services.......
 Arthur Zeikel...  Chairman                 Chairman of MLAM; President of the Investment
                                            Adviser and MLAM 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
                                            Financial Data Services, Inc.; President of
                                            Princeton Administrators, L.P.
 Linda L.          Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Federici.......                           President of Princeton Services
 Vincent R.        Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Giordano.......                           President of Princeton Services
 Elizabeth A.      Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Griffin........                           President of Princeton Services
 Norman R.         Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Harvey.........                           President of Princeton Services
 Michael J.        Senior Vice President    Senior Vice President and General Counsel of MLAM;
  Hennewinkel....   and General Counsel     Senior Vice President of the MLAM International
                                            Group
 Philip L.         Senior Vice President    Senior Vice President and Secretary of MLAM;
  Kirstein.......   and Secretary           Senior Vice President, General Counsel, Director
                                            and Secretary of Princeton Services
 Ronald M. Kloss.  Senior Vice President    Senior Vice President of MLAM; Senior Vice
                                            President of Princeton Services
 Debra Landsman-   Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Yaros..........                           President of Princeton Services; Vice President of
                                            PFD
 Stephen M. M.     Senior Vice President    Executive Vice President of Princeton
  Miller.........                           Administrators, L.P.; Senior Vice President of
                                            Princeton Services
 Joseph T.         Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Monagle, Jr. ..                           President of Princeton Services
 Michael L.        Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Quinn..........                           President of Princeton Services; Managing Director
                                            and First Vice President of Merrill Lynch from
                                            1989 to 1995
 Richard L.        Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Reller.........                           President of Princeton Services; Director of PFD
 Gerald M.         Senior Vice President    Senior Vice President and Treasurer of MLAM;
  Richard........   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.         Senior Vice President    Senior Vice President of MLAM; Senior Vice
  Welburn........                           President of Princeton Services
</TABLE>    
 
                                      C-4
<PAGE>
 
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 shares of Common
Stock 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 share of Common Stock declines more than 10% from its net asset
value per share of Common Stock as of the effective date of this Registration
Statement, or (2) its net asset value per share of Common Stock 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-5
<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 22nd day of September, 1998.     
                                             
                                          MuniHoldings California Insured Fund
                                           III, Inc.     
                                               (Registrant)
                                                     
                                          By      /s/ Arthur Zeikel     
                                            -----------------------------------
                                                 
                                              (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 person in the
capacities and on the dates indicated.
 
<TABLE>     
<CAPTION>
             SIGNATURES                        TITLE                 DATE
       <S>                              <C>                     <C>   
                                        President (Principal     
       /s/ Arthur Zeikel                Executive Officer)      September 22,
- -------------------------------------   and Director              1998 
           (ARTHUR ZEIKEL)
 
                                        Treasurer (Principal     
     /s/ Gerald M. Richard              Financial and           September 22,
- -------------------------------------   Accounting Officer)       1998 
         (GERALD M. RICHARD)
 
                                         Director               
      /s/ Ronald W. Forbes                                      September 22,
- -------------------------------------                             1998 
       (RONALD W. FORBES) 
 
                                         Director                
   /s/ Cynthia A. Montgomery                                    September 22,
- -------------------------------------                             1998
    (CYNTHIA A. MONTGOMERY) 
 
                                         Director                 
     /s/ Charles C. Reilly                                      September 22,
- -------------------------------------                             1998 
    (CHARLES C. REILLY) 
 
                                         Director               
       /s/ Kevin A. Ryan                                        September 22,
- -------------------------------------                             1998 
        (KEVIN A. RYAN)
 
                                         Director                
      /s/ Richard R. West                                       September 22,
- -------------------------------------                             1998 
       (RICHARD R. WEST) 
</TABLE>      
 
                                      C-6
<PAGE>
 
                                 EXHIBIT INDEX
 

EXHIBIT NUMBER
- --------------

          
(l)--Opinion and Consent of Brown & Wood LLP     
   
(n)--Consent of Ernst & Young LLP     
   
(p)--Certificate of Fund Asset Management, L.P.     

<PAGE>
 
                                                                     Exhibit (l)


                   [LETTERHEAD OF BROWN & WOOD APPEARS HERE]



                                                           September 22, 1998

MuniHoldings California Insured Fund III, Inc.
800 Scudders Mill Road
Plainsboro, New Jersey 08536

Ladies and Gentlemen:

     This opinion is being furnished in connection with the registration by
MuniHoldings California Insured Fund III, Inc., a Maryland corporation (the
"Fund"), of shares of common stock, par value $0.10 per share (the "Shares"),
under the Securities Act of 1933, as amended (the "Securities Act"), pursuant to
the Fund's registration statement on Form N-2, as amended (the "Registration
Statement"), under the Securities Act, in the amount 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 Articles of Incorporation
of the Fund, as amended, 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 shares of common stock of the
Fund.
<PAGE>
 
     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         
 
                                       2

<PAGE>
 
                                                                     Exhibit (n)


                        CONSENT OF INDEPENDENT AUDITORS

                                        

We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated September 18, 1998, in this Registration Statement on
Form N-2 under the Securities Act of 1933 (File No. 333-61963) and under the
Investment Company Act of 1940 (File No. 811-08973) and related Prospectus of
MuniHoldings California Insured Fund III, Inc. for the registration of shares of
its Common Stock.


                                   ERNST & YOUNG LLP


Princeton, New Jersey
September 22, 1998

<PAGE>

                                                                     Exhibit (p)

 
                    CERTIFICATE OF THE SOLE STOCKHOLDER OF
                MUNIHOLDINGS CALIFORNIA INSURED FUND III, INC.

     Fund Asset Management, L.P. ("FAM"), the holder of 6,667 shares of common
stock, par value $0.10 per share, of MuniHoldings California Insured Fund III,
Inc. (the "Fund"), a Maryland corporation, 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.

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

Dated: September 22, 1998


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