CALVERT CASH RESERVES
497, 1996-03-14
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                                                         497(e) Filing
                                                         Money Management Plus
                                                         File Numbers 811-3418
                                                           and 2-76527
                                                           
   
PROSPECTUS -- 
January 31, 1996, As Revised, March 14, 1996 
    

MONEY MANAGEMENT PLUS 
Prime Portfolio 
4550 Montgomery Avenue, Bethesda, Maryland 20814 

INVESTMENT OBJECTIVE AND POLICIES 


MONEY MANAGEMENT PLUS Prime Portfolio (the "Fund") is a money market  
fund which seeks to obtain the highest level of current income,  
consistent with preservation of capital and liquidity, that is available  
through investments in specified money market instruments. The Fund's  
assets are invested in certificates of deposit of major banks, prime  
commercial paper and high-grade short-term corporate obligations, and  
short-term U.S. Government and agency securities. The investments mature  
in 13 months year or less, with an average weighted maturity of 90 days  
or less. The Fund seeks to maintain a constant net asset value of $1.00  
per share for the Fund. An investment in the Fund is neither insured nor  
guaranteed by the U.S. Government. There can be no assurance that the  
Fund will be successful in maintaining a constant net asset value of  
$1.00 per share. 

   
- -------------------------------------------------------------------------- 
Notwithstanding the investment objectives and policies of the Fund, it  
is currently invested almost entirely in U.S. Government securities in  
order to meet diversification requirements. Further, due to the Fund's  
relatively small asset size, its fund operating expenses are relatively  
high compared to other money market funds.  For this reason, the Fund's  
Board of Trustees has concurred with the Advisor's recommendation that  
the Fund be liquidated in the next few months, by June 28, 1996. 
- -------------------------------------------------------------------------- 
    

TO OPEN AN ACCOUNT

   
The Fund is not accepting new accounts at this time.
    

ABOUT THIS PROSPECTUS 

Please read this Prospectus before investing. It is designed to provide  
you with information you ought to know before investing and to help you  
decide if the Fund's goals match your own. Keep this document for future  
reference. 


A Statement of Additional Information (dated January 31, 1996) for the  
Fund has been filed with the Securities and Exchange Commission and is  
incorporated by reference. This free Statement is available upon request  
from the Fund: 800-368-2748. 


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

SHARES OF THE FUND ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR  
ENDORSED BY, ANY BANK, AND ARE NOT FEDERALLY INSURED BY THE FDIC, THE  
FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.  

<PAGE>

FUND EXPENSES 


A.  Shareholder Transaction Expenses         Prime Portfolio 
    Sales Load on Purchases                  None 
    Sales Load on Reinvested Dividends       None 
    Deferred Sales Load                      None 
    Redemption Fees                          None 
    Exchange Fee                             None 


B.  Annual Fund Operating Expenses (as a  
    percentage of average net assets) 
    Management Fees                          0.50% 
    Rule 12b-1 Fees                          0.35% 
    Other Expenses                           0.62% 
    Total Fund Operating Expenses            1.47% 


C. Example:       You would pay the following expenses on a $1,000  
investment, assuming (1) 5% annual return;(2) redemption at the end of  
each period: 

                           1 Year           3 Years  5 Years  10 Years 
                           $15              $46      $80      $176 

The example, which is hypothetical, should not be considered a  
representation of past or future expenses. Actual expenses may be higher  
or lower than those shown. 

Explanation of Table: The purpose of the table is to assist you in  
understanding the various costs and expenses that an investor in the  
Fund may bear directly (shareholder transaction costs) or indirectly  
(annual fund operating expenses). 

      A.  Shareholder Transaction Expenses are charges you pay when you  
buy or sell shares of the Funds. If you request a wire redemption of  
less than $1,000, you will be charged a $5 wire fee. 


   
      B.  Annual Fund Operating Expenses are based on the Fund's  
historical expenses, although Management Fees have been restated to  
reflect expenses anticipated in the current fiscal year. Management Fees  
are paid by the Fund to Calvert Asset Management Company, Inc.  
("Advisor") for managing its investments and business affairs. The Fund  
incurs Other Expenses for maintaining shareholder records, furnishing  
shareholder statements and reports, and other services.  Management Fees 
and Other Expenses have already been reflected in the Fund's yield and are 
not charged directly to individual shareholder accounts. Please refer to 
the section "Management of the Fund" for further information. 
    

          The Fund's Rule 12b-1 fees include an asset-based sales charge.  
Thus, long-term shareholders in the Fund could pay more than the  
economic equivalent of the maximum front-end sales charge permitted by  
rules of the National Association of Securities Dealers, Inc.; however,  
this is unlikely because these are money market funds, and have no  
front-end sales charge. 



FINANCIAL HIGHLIGHTS 

The following table provides information about the Fund's financial  
history. It expresses the information in terms of a single share  
outstanding throughout each period. The table has been audited by those  
independent accountants whose reports are included in the respective  
Annual Reports to Shareholders. The table should be read in conjunction  
with the financial statements and their related notes. The current  
Annual Report to Shareholders is incorporated by reference into the  
Statement of Additional Information. 




                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1995 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .045  

Distributions from  
Net investment income                         (.045)  

Net asset value, end of year                   $1.00  

Total return<F4>                               4.55%  

Ratio to average net assets: 
Net investment income                          4.53%  
Total expenses<F5>                             1.41%  
Net expenses                                   1.39%  
Expenses reimbursed and/or waived              --  

Net assets, end of year (in thousands)         $26,775  

Number of shares outstanding  
at end of year (in thousands)                  26,821  

<F4>Total return prior to 1994 is not audited. 
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1994 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .028  

Distributions from  
Net investment income                         (.028)  

Net asset value, end of year                   $1.00  

Total return<F4>                               2.78%  

Ratio to average net assets: 
Net investment income                          2.75%  
Total expenses<F5>                             --  
Net expenses                                   1.23%  
Expenses reimbursed and/or waived              --  

Net assets, end of year (in thousands)         $99,973  

Number of shares outstanding  
at end of year (in thousands)                  100,024  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1993 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .025  

Distributions from  
Net investment income                         (.025)  

Net asset value, end of year                   $1.00  

Total return<F4>                               2.59%  

Ratio to average net assets: 
Net investment income                          2.48%  
Total expenses<F5>                             --  
Net expenses                                   .92%  
Expenses reimbursed and/or waived              --%  


Net assets, end of year (in thousands)         $102,325  

Number of shares outstanding  
at end of year (in thousands)                  102,370  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1992 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .037  

Distributions from  
Net investment income                         (.037)  

Net asset value, end of year                   $1.00  

Total return<F4>                               3.72%  

Ratio to average net assets: 
Net investment income                          3.69%  
Total expenses<F5>                             --  
Net expenses                                   .87%  
Expenses reimbursed and/or waived              --  

Net assets, end of year (in thousands)         $106,851  

Number of shares outstanding  
at end of year (in thousands)                  106,897  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1991 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .061  

Distributions from  
Net investment income                         (.061)  

Net asset value, end of year                   $1.00  

Total return<F4>                               6.27%  

Ratio to average net assets: 
Net investment income                          6.09%  
Total expenses<F5>                             --  
Net expenses                                   .93%  
Expenses reimbursed and/or waived              --  

Net assets, end of year (in thousands)         $119,316  

Number of shares outstanding  
at end of year (in thousands)                  119,362  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1990 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .074  

Distributions from  
Net investment income                         (.074)  

Net asset value, end of year                   $1.00  

Total return<F4>                               7.71%  

Ratio to average net assets: 
Net investment income                          7.45%  
Total expenses<F5>                             --  
Net expenses                                   .96%  
Expenses reimbursed and/or waived              .13%  

Net assets, end of year (in thousands)         $117,684  

Number of shares outstanding  
at end of year (in thousands)                  117,699  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1989 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .083  

Distributions from  
Net investment income                         (.083)  

Net asset value, end of year                   $1.00  

Total return<F4>                               8.69%  

Ratio to average net assets: 
Net investment income                          8.27%  
Total expenses<F5>                             --  
Net expenses                                   .91%  
Expenses reimbursed and/or waived              .12%  

Net assets, end of year (in thousands)         $156,777  

Number of shares outstanding  
at end of year (in thousands)                  156,797  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1988 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .067  

Distributions from  
Net investment income                         (.067)  

Net asset value, end of year                   $1.00  

Total return<F4>                               6.99%  

Ratio to average net assets: 
Net investment income                          6.44%  
Total expenses<F5>                             --  
Net expenses                                   .86%  
Expenses reimbursed and/or waived              .25%  

Net assets, end of year (in thousands)         $91,640  

Number of shares outstanding  
at end of year (in thousands)                  91,660  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 



                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1987 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .057  

Distributions from  
Net investment income                         (.057)  

Net asset value, end of year                   $1.00  

Total return<F4>                               6.07%  

Ratio to average net assets: 
Net investment income                          5.56%  
Total expenses<F5>                             --  
Net expenses                                   .85%  
Expenses reimbursed and/or waived              .26%  

Net assets, end of year (in thousands)         $63,134  

Number of shares outstanding  
at end of year (in thousands)                  63,138  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 


                                               Class A Shares  
                                               Year Ended  
                                               September 30, 1986 

Net asset value, beginning of year             $1.00  

Income from investment operations  
Net investment income                          .067  

Distributions from  
Net investment income                         (.067)  

Net asset value, end of year                   $1.00  

Total return<F4>                               6.16%  

Ratio to average net assets: 
Net investment income                          6.47%  
Total expenses<F5>                             --  
Net expenses                                   .85%  
Expenses reimbursed and/or waived              .51%  

Net assets, end of year (in thousands)         $52,807  

Number of shares outstanding  
at end of year (in thousands)                  52,807  

<F4>Total return prior to 1994 is not audited.  
<F5>Effective September 30, 1995, this ratio reflects total expenses  
before reduction for fees paid indirectly; previously such reductions  
were included in the ratio. 


INVESTMENT OBJECTIVE AND POLICIES 

Investment Objective: The Fund seeks to earn the highest level of  
current income, consistent with preservation of capital and liquidity. 

Money Management Plus Prime Portfolio is a diversified money market  
fund. Its objective is to earn the highest level of current income,  
consistent with preservation of capital and liquidity, that is available  
through investment in specified money market instruments. The Fund's  
assets are invested in securities maturing in 13 months or less, and it  
maintains an average weighted maturity of 90 days or less. 

Prime Portfolio invests primarily in CDs, prime commercial paper, and  
U.S. Government Obligations. 

Prime Portfolio invests in certificates of deposit and other obligations  
of banks having total assets of at least $1 billion, prime commercial  
paper and high grade (Aaa or Aa rated or equivalent quality) short-term  
corporate obligations, including participation interests in loans  
extended to issuers of such obligations, and obligations of the U.S.  
Government, its agencies and instrumentalities. Such securities may be  
purchased subject to repurchase agreements with recognized securities  
dealers and banks. The Fund may invest more than 25% of its assets in  
obligations of banks. See the Statement of Additional Information,  
"Appendix, Commercial Paper and Bond Ratings." Also, the Fund may invest  
in high-quality, U.S. dollar-denominated international money market  
instruments, and up to 5% of its assets in reverse repurchase agreements. 

U.S. Government Obligations 

Obligations issued by the U.S. Treasury, such as U.S. Treasury bills,  
notes and bonds, are supported by the full faith and credit of the U.S.  
Government. 

Certain obligations issued or guaranteed by a U.S. Government agency or  
instrumentality are supported by the full faith and credit of the U.S.  
Government. These include obligations issued by the Export-Import Bank,  
Farmers Home Administration, Government National Mortgage Association,  
Postal Service, Merchant Marine, and Washington Metropolitan Area  
Transit Authority. 

The Fund may also invest in other U.S. Government agency or  
instrumentality obligations which are supported only by the credit of  
the agency or instrumentality and may be further supported by the right  
of the issuer to borrow from the U.S. Treasury. 

Repurchase Agreements 

The Fund may enter into repurchase agreements. In a repurchase  
agreement, the Fund buys a security subject to the right and obligation  
to sell it back at a higher price. These transactions must be fully  
secured at all times, but they involve some credit risk to the Fund if  
the other party defaults on its obligation and the Fund is delayed or  
prevented from liquidating the collateral. 

Reverse Repurchase Agreements 

The Fund may engage in reverse repurchase agreements. In a reverse  
repurchase agreement, the Fund sells a security subject to the right and  
obligation to buy it back at a higher price. The Fund then invests the  
proceeds from the transaction in another obligation in which it is  
authorized to invest. In order to minimize any risk involved, the Fund  
maintains in a segregated account liquid assets equal in value to the  
repurchase price, and currently intends to limit its borrowing due to  
reverse repurchase agreements to only 5% of total assets. 

Bank CDs 

The Fund may also invest in certificates of deposit and other debt  
obligations of commercial banks, savings banks, and savings and loan  
associations having assets of less than $1 billion, provided that the  
principal amount of such certificate is insured in full by the Federal  
Deposit Insurance Corporation ("FDIC"). The FDIC presently insures  
accounts up to $100,000; interest earned above $100,000 is not insured  
by the FDIC. 

When-Issued Purchases 

Purchasing obligations for future delivery or on a "when-issued" basis  
may increase the Fund's overall investment exposure and involves a risk  
of loss if the value of the securities declines prior to the settlement  
date. The transactions are fully secured at all times. 

Variable Rate Obligations 

The Fund may invest in variable and floating rate obligations. Variable  
rate obligations have a yield which is adjusted periodically based upon  
changes in the level of prevailing interest rates. Floating rate  
obligations have an interest rate fixed to a known lending rate, such as  
the prime rate, and are automatically adjusted when that rate changes.  
Variable and floating rate obligations lessen the capital fluctuations  
usually inherent in fixed income investments, to diminish the risk of  
capital depreciation of Fund investments and Fund shares; but this also  
means that should interest rates decline, the yield of the Fund will  
decline and the Fund would not have as many opportunities for capital  
appreciation of Fund investments. 

Demand Notes and Temporary Investments 

The Fund may invest in floating rate and variable rate demand notes.  
Demand notes provide that the holder may demand payment of the note at  
its par value plus accrued interest by giving notice to the issuer. To  
ensure the ability of the issuer to make payment upon such demand, the  
note may be supported by an unconditional bank letter of credit. 

The Fund may invest in structured money market instruments. In all  
cases, the Fund may invest in structured money market instruments. In  
all cases, it invests only in high-quality instruments (rated in one of  
the two highest rating categories, or if unrated, of comparable credit  
quality) that meet the requirements of SEC Rule 2a-7 regarding credit  
quality and maturity. See the Statement of Additional Information. 

Other Policies 

The Fund has adopted certain fundamental investment restrictions which  
are discussed in detail in the Statement of Additional Information.  
Unless specifically noted otherwise, the investment objective, policies  
and restrictions of the Fund are fundamental and may not be changed  
without shareholder approval. There can be no assurance that the Fund  
will be successful in meeting its investment objective. 

YIELD 

Yield refers to income generated by an investment over a period of time. 

From time to time, the Fund may advertise "yield" and "effective yield."  
Yield figures are based on historical earnings and are not intended to  
indicate future performance. The "yield" refers to the actual income  
generated by an investment in the Fund over a particular base period,  
stated in the advertisement. If the base period is less than one year,  
the yield will be "annualized." That is, the amount of income generated  
by the investment during the base period is assumed to be generated over  
a one-year period and is shown as a percentage of the investment. The  
"effective yield" is calculated similarly, but, when annualized, the  
income earned by an investment in the Fund is assumed to be reinvested.  
The "effective yield" will be slightly higher than the "yield" because  
of the compounding effect of this assumed reinvestment. 

MANAGEMENT OF THE FUND 

The Board of Trustees supervises the activities and reviews its  
contracts with companies that provide the Fund with services. 

The Fund is the only series of Calvert Cash Reserves, a Massachusetts  
business trust organized on March 16, 1982, now doing business as Money  
Management Plus. In October, 1992, Prime Portfolio began offering a  
second class of shares, the CCR Prime Shares, which was discontinued  
during 1994. 

The Fund is an open-end diversified management investment company. The  
Fund is not required to hold annual shareholder meetings, but special  
meetings may be called for certain purposes such as electing Trustees,  
changing fundamental policies, or approving a management contract. As a  
shareholder, you receive one vote for each share you own. 

Calvert Group is one of the largest investment management firms in the  
Washington, D.C. area. 

Calvert Group, Ltd., parent of the Funds' investment advisor, transfer  
agent, and distributor, is a subsidiary of Acacia Mutual Life Insurance  
Company of Washington, D.C. Calvert Group is one of the largest  
investment management firms in the Washington, D.C. area. Calvert Group,  
Ltd. and its subsidiaries are located at 4550 Montgomery Avenue, Suite  
1000N, Bethesda, Maryland 20814. As of December 31, 1995, Calvert Group  
managed and administered assets in excess of $4.8 billion and more than  
200,000 shareholder and depositor accounts. 

Calvert Asset Management serves as Advisor to the Funds. 

Calvert Asset Management Company, Inc. (the "Advisor") is the Fund's  
investment advisor. The Advisor provides the Fund with investment  
supervision and management; administrative services and office space;  
furnishes executive and other personnel to the Fund; and pays the  
salaries and fees of all Trustees who are affiliated persons of the  
Advisor. The Advisor may also assume and pay certain advertising and  
promotional expenses of the Fund and reserves the right to compensate  
broker-dealers in return for their promotional or administrative  
services. The Advisor has agreed to limit the Fund's expenses to the  
most restrictive state limitation in effect. 

The Advisor receives a fee based on a percentage of the Fund's assets. 

Pursuant to the Investment Advisory Agreement, the Advisor is entitled  
to, and did receive for fiscal 1995, an annual advisory fee of 0.50% of  
the Fund's respective average daily net assets. 

Calvert Distributors, Inc. serves as underwriter to market the Fund's  
shares. 

Calvert Distributors, Inc. ("CDI") is the Funds' principal underwriter  
and distributor. Under the terms of its underwriting agreement with the  
Funds, CDI markets and distributes the Fund's shares and is responsible  
for payment of compensation and service fees to broker-dealers, banks,  
and financial services firms, preparation of advertising and sales  
literature, and printing and mailing of prospectuses to prospective  
investors. 

The Fund may pay distribution and servicing expenses pursuant to their  
Distribution Plan. 

Pursuant to Rule 12b-1 under the Investment Company Act of 1940, the  
Fund has adopted a Distribution Plan which permits it to pay certain  
expenses associated with the distribution of its shares. Amounts paid by  
the Fund to the Distributor under the Distribution Plan are used to pay  
dealers and other selling firms dealer-paid quarterly compensation at an  
annual rate of up to 0.40% of the average daily net assets of accounts  
the respective firms maintain in the Fund. They are also used to pay  
dealers and others, including the Distributor's salespersons who service  
accounts, service fees at an annual rate of up to 0.25% of such assets,  
and to pay CDI for its marketing and distribution expenses, preparation  
of advertising and sales literature, printing and mailing of  
prospectuses to prospective investors. The Distribution Plan expenses  
may not annually exceed 0.35% of the average daily net assets of any  
Fund. For fiscal year 1995, the Fund paid Distribution Plan expenses of  
0.35 of average daily net assets. 

CDI may also pay additional concessions, including non-cash promotional  
incentives, such as merchandise or trips, to dealers employing  
registered representatives who sell a minimum dollar amount of shares of  
the Fund and/or shares of other Funds underwritten by CDI. CDI may make  
expense reimbursements for special training of a dealer's registered  
representatives, advertising or equipment, or to defray the expenses of  
sales contests. CDI may receive reimbursement of eligible marketing and  
distribution expenses from the Fund's Rule 12b-1 Distribution Plan. 

The Distribution Plan may be terminated at any time by vote of the  
Independent Trustees or by vote of a majority of the outstanding voting  
shares of the respective Fund. 

The transfer agent keeps your account records. 

Calvert Shareholder Services, Inc. is the Fund's transfer, dividend  
disbursing and shareholder servicing agent. 

SHAREHOLDER GUIDE 

Opening An Account 

   
The Fund is not accepting new accounts at this time. 
    

Share Price 

The Fund's shares are sold without a sales charge. 

The price of one share is its "net asset value," or NAV. NAV is computed  
by adding the value of a Fund's investments plus cash and other assets,  
deducting liabilities and then dividing the result by the number of  
shares outstanding. The NAV is calculated at the close of the Fund's  
business day, which coincides with the closing of the regular session of  
the New York Stock Exchange (normally 4:00 p.m. Eastern time). The Fund  
is open for business each day the New York Stock Exchange is open. The  
Fund's securities are valued according to the "amortized cost" method,  
which is intended to stabilize the NAV at $1.00 per share. 

All purchases of Fund shares will be confirmed and credited to your  
account in full and fractional shares (rounded to the nearest 1/100 of a  
share). The Fund may send monthly statements in lieu of immediate  
confirmations of purchases and redemptions. 

HOW TO BUY SHARES
   
NO INVESTMENTS WILL BE ACCEPTED AFTER JUNE 15, 1996 

Method            Additional Investments              
Investments 

By Mail           $250 minimum              


                  Please make your check payable to the Fund and mail
                  it with your investment slip to:


                  Calvert Group               
                  P.O. Box 419739 
                  Kansas City, MO             
                  64105-6739 
    

By Registered, Certified, or Overnight Mail: 
                                    Calvert Group 
                                    c/o NFDS, 6th Floor 
                                    1004 Baltimore 
                                    Kansas City, MO 64105-1807 
   
Through Your Broker                               $250  minimum 

FOR ALL OPTIONS BELOW, PLEASE CALL YOUR BROKER, OR CALVERT GROUP AT  
800-368-2745 

By Exchange                                       $250  minimum 
(From your account in another Calvert Group Fund) 


By Bank Wire                                      $250  minimum 

By Calvert Money                                  $50   minimum 
Controller*        
    

*Please allow sufficient time for Calvert Group to process your initial  
request for this service, normally 10 business days. The maximum  
transaction amount is $300,000, and your purchase request must be  
received by 4:00 p.m. Eastern time. 

WHEN YOUR ACCOUNT WILL BE CREDITED 

Before you buy shares, please read the following information to make  
sure your investment is accepted and credited properly. 

Your purchase will be processed at the net asset value calculated after  
your order is received and accepted. Except in the case of telephone  
orders, investors whose payments are received in or converted into  
federal funds by 12:30 p.m. Eastern time by the custodian will receive  
the dividend declared that day. If your wire purchase is received after  
12:30 p.m. Eastern time, your account will begin earning dividends on  
the next business day. A telephone order placed to Calvert Institutional  
Marketing Services by 12:30 p.m. Eastern time will become effective at  
the price determined at 5 p.m. Eastern time and the shares purchased  
will receive the dividend on Fund shares declared that day if federal  
funds are received by the custodian by 5 p.m. Eastern time. Exchanges  
begin earning dividends the next business day after the exchange request  
is received by mail or telephone. If the purchase is by check and is  
received by 4:00 p.m. Eastern time, it will begin earning dividends the  
next business day. 

All of your purchases must be made in U.S. dollars and checks must be  
drawn on U.S. banks. No cash will be accepted. The Fund reserves the  
right to suspend the offering of shares for a period of time or to  
reject any specific purchase order. If your check does not clear, your  
purchase will be cancelled and you will be charged a $10 fee plus costs  
incurred by the Fund. When you purchase by check or with Calvert Money  
Controller, those funds will be on hold for up to 10 business days from  
the date of receipt. During that period, redemptions against those funds  
(including drafts) will not be honored. To avoid this collection period,  
you can wire federal funds from your bank, which may charge you a fee. 

EXCHANGES 

You may exchange shares of the Fund for shares of other Calvert Group  
Funds. 

If your investment goals change, the Calvert Group Family of Funds has a  
variety of investment alternatives that includes common stock funds,  
tax-exempt and corporate bond funds, and money market funds. The  
exchange privilege is a convenient way to buy shares in other Calvert  
Group Funds in order to respond to changes in your goals or in market  
conditions. Before you make an exchange from a Fund or Portfolio, please  
note the following: 

         Call your broker or a Calvert representative for information  
and a prospectus for any of Calvert's other Funds registered in your  
state. Read the prospectus of the Fund or Portfolio into which you want  
to exchange for relevant information, including class offerings. 

Each exchange represents the sale of shares of one Fund and the purchase  
of shares of another. 

         Complete and sign an application for an account in that Fund or  
Fund, taking care to register your new account in the same name and  
taxpayer identification number as your existing Calvert account(s).  
Exchange instructions may then be given by telephone if telephone  
redemptions have been authorized and the shares are not in certificate  
form. 

         Shares on which you have already paid a sales charge at Calvert  
Group may be exchanged into another Fund at no additional charge. Shares  
acquired by reinvestment of dividends or distributions may be exchanged  
into another Fund at no additional charge. Except for money market  
funds, if you make a purchase at NAV, you may exchange that amount to  
another fund at no additional sales charge. 

   
The Fund reserves the right to terminate or modify the exchange  
privilege with 60 days written notice. The Fund is not opening new accounts
by Exchange at this time. 
    

OTHER CALVERT GROUP SERVICES 

Calvert Information Network 

24 hour performance and prices 

Calvert Group has a round-the-clock telephone service that lets existing  
customers use a push button phone to obtain prices, performance  
information, and account balances. Complete instructions for this  
service may be found on the back of each statement. 

Calvert Money Controller 

Calvert Money Controller eliminates the delay of mailing a check or the  
expense of wiring funds. You can request this free service on your  
application. 

This service allows you to authorize electronic transfers of money to  
purchase or sell shares. You use Calvert Money Controller like an  
"electronic check" to move money ($50 to $300,000) between your bank  
account and your Calvert Group account with one phone call. Allow one or  
two business days after the call for the transfer to take place; for  
money recently invested, allow normal check clearing time (up to 10  
business days) before redemption proceeds are sent to your bank. 

   
You may also arrange systematic monthly or quarterly investments  
(minimum $50) into your Calvert Group account. After you give us proper  
authorization, your bank account will be debited to purchase Fund  
shares. A debit entry will appear on your bank statement. If you would  
like to make arrangements for systematic monthly or quarterly  
redemptions from your Calvert Group account, call your broker or Calvert  
for a Money Controller Application.  All automatic transactions will be
discontinued, effective May 31, 1996. 
    

Telephone Transactions 

Calvert may record all telephone calls. 

If you have telephone transaction privileges, you may purchase, redeem,  
or exchange shares, wire funds and use Calvert Money Controller by  
telephone. You automatically have telephone privileges unless you elect  
otherwise. The Fund, the transfer agent and their affiliates are not  
liable for acting in good faith on telephone instructions relating to  
your account, so long as they follow reasonable procedures to determine  
that the telephone instructions are genuine. Such procedures may include  
recording the telephone calls and requiring some form of personal  
identification. You should verify the accuracy of telephone transactions  
immediately upon receipt of your confirmation statement. 

Complete the account application for the easiest way to establish  
services. 

The easiest way to establish optional services on your Calvert Group  
account is to select the options you desire when you complete your  
account application. If you wish to add other options later, you may  
have to provide us with additional information and a signature  
guarantee. Please call your broker or Calvert Investor Relations at  
800-368-2745 for further assistance. For our mutual protection, we may  
require a signature guarantee on certain written transaction requests. A  
signature guarantee verifies the authenticity of your signature, and may  
be obtained from any bank, savings and loan association, credit union,  
trust company, broker-dealer firm or member of a domestic stock  
exchange. A signature guarantee cannot be provided by a notary public. 

Householding of General Mailings 

Householding reduces Fund expenses and saves paper and trees for the  
environment. 

If you have multiple accounts with Calvert, you may receive combined  
mailings of some shareholder information, such as semi-annual and annual  
reports. Please contact Calvert Investor Relations at 800-368-2745 to  
receive additional copies of information. 

Special Services and Charges 

The Fund pays for shareholder services but not for special services that  
are required by a few shareholders, such as a request for a historical  
transcript of an account. You may be required to pay a research fee for  
these special services. 

If you are purchasing shares of the Fund through a program of services  
offered by a securities dealer or financial institution, you should read  
the program materials in conjunction with this Prospectus. Certain  
features of the Fund may be modified in these programs, and  
administrative charges may be imposed by the broker-dealer for the  
services rendered. 

Tax-Saving Retirement Plans 

       
         Individual retirement accounts (IRAs): available to anyone who  
has earned income. You may also be able to make investments in the name  
of your spouse, if your spouse has no earned income. 


         Qualified Profit-Sharing and Money-Purchase Plans (including  
401(k) Plans): available to self-employed people and their partners, or  
to corporations and their employees. 

         Simplified Employee Pension Plan (SEP-IRA): available to  
self-employed people and their partners, or to corporations. Salary  
reduction pension plans (SAR-SEP IRAs) are also available to employers  
with 25 or fewer employees. 

         403(b)(7) Custodial Accounts: available to employees of most  
non-profit organizations and public schools and universities. 

Consolidated Asset Account ("CAA") 

Certain brokerage firms may offer their customers CAA, a special cash  
management service linked to one of the Fund's Funds. CAA customers may  
have free-credit cash balances at their brokerage firm account  
automatically invested in Fund shares on a daily basis. Participating  
brokerage firms will charge their customers a fee for the CAA program  
and may establish a higher minimum balance. Details of CAA, including  
the fee charged, are available from participating brokerage firms. This  
prospectus should be read together with such firm's materials regarding  
these fees and services. 

SELLING YOUR SHARES 

You may redeem all or a portion of your shares on any business day. Your  
shares will be redeemed at the next net asset value calculated after  
your redemption request is received and accepted. See the chart below  
for specific requirements necessary to make sure your redemption request  
is acceptable. Remember that the Fund may hold payment on the redemption  
of your shares until it is reasonably satisfied that investments made by  
check or by Calvert Money Controller have been collected (normally up to  
10 business days). 

Redemption Requirements To Remember 

To ensure acceptance of your redemption request, please follow the procedures 
described here and below. 

Once your shares are redeemed, the proceeds will normally be sent to you  
on the next business day, but if making immediate payment could  
adversely affect the Fund, it may take up to seven (7) days. Calvert  
Money Controller redemptions generally will be credited to your bank  
account on the second business day after your phone call. When the New  
York Stock Exchange is closed (or when trading is restricted) for any  
reason other than its customary weekend or holiday closings, or under  
any emergency circumstances as determined by the Securities and Exchange  
Commission, redemptions may be suspended or payment dates postponed. 

If you sell shares by telephone or written request, you will receive  
dividends through the date the request is received and processed. If you  
write a draft to sell shares, the shares will earn dividends until the  
draft is presented to the Fund to be paid. 

   
Minimum account balance 

Please maintain a balance in your account of at least $1,000. If, due to  
redemptions, the account falls below $1,000, or you fail to invest at  
least $1,000, it may be closed and the proceeds mailed to you at the  
address of record. You will be given notice that your account will be  
closed after 30 days unless you make an additional investment to  
increase your account balance to the $1,000 minimum.  The Board of Trustees
has approved a $1,000,000 minimum balance per account, effective May 15, 1996. 
    

HOW TO SELL YOUR SHARES 

Draftwriting 

You may redeem shares in your account by writing a draft for at least  
$250. If you complete and return the signature card for Draftwriting,  
the Fund will mail bank drafts to you, printed with your name and  
address. Generally, there is no charge to you for the maintenance of  
this service or the clearance of drafts, but the Fund reserves the right  
to charge a service fee for drafts returned for uncollected or  
insufficient funds. The Fund will charge $25 for any stop payments on  
drafts. As a service to shareholders, the Fund may automatically  
transfer the dollar amount necessary to cover drafts you have written on  
the Fund to your Fund account from any other of your identically  
registered accounts in Calvert money market funds or Calvert Insured  
Plus. The Fund may charge a fee for this service. 

By Mail To: 

Calvert Group 
P.O. Box 419544 
Kansas City, MO  
64179-6542 

You may redeem available shares from your account at any time by sending  
a letter of instruction, including your name, account and Fund number,  
the number of shares or dollar amount, and where you want the money to  
be sent. Additional requirements, below, may apply to your account. The  
letter of instruction must be signed by all required authorized signers.  
If you want the money to be wired to a bank not previously authorized,  
then a voided bank check must be enclosed with your letter. If you do  
not have a voided check or if you would like funds sent to a different  
address or another person, your letter must be signature guaranteed. 

Type of Registration               Requirements 

Corporations, Associations         Letter of  instruction and a  corporate  
                                   resolution, signed by person(s)  
                                   authorized to act on the account,  
                                   accompanied by signature guarantee(s). 

Trusts                             Letter of instruction signed by the  
                                   Trustee(s) (as Trustee), with  
                                   a signature guarantee. (If the Trustee's  
                                   name is not registered on your account,  
                                   provide a copy of the trust  
                                   document, certified within the last 
                                   60 days.) 

By Telephone 

   
Please call 800-368-2745. You may redeem shares from your account by  
telephone and have your money mailed to your address of record or wired  
to an address or bank you have previously authorized. A charge of $5 is  
imposed on wire transfers of less than $1,000. See "Telephone  
Transactions." 
    

Calvert Money Controller 

   
Please allow sufficient time for Calvert Group to process your initial  
request for this service (normally 10 business days). You may also  
authorize automatic fixed amount redemptions by Calvert Money  
Controller. All requests must be received by 4:00 p.m. Eastern time.  
Accounts cannot be closed by this service.  All automatic transactions will be
discontinued, effective May 31, 1996. 
    

Exchange to Another Calvert Group Fund 

You must meet the minimum investment requirement of the other Calvert  
Group Fund or Fund. You can only exchange between accounts with  
identical names, addresses and taxpayer identification number, unless  
previously authorized with a signature-guaranteed letter. 

Systematic Check Redemptions 

   
If you maintain an account with a balance of $10,000 or more, you may  
have up to two (2) regular redemption checks for a fixed amount sent to  
you on the 15th of each month, simply by sending a letter with all  
information, including your account number, and the dollar amount ($100  
minimum). If you would like a regular check mailed to another person or  
place, your letter must be signature guaranteed.  All automatic transactions
will be discontinued, effective May 31, 1996. 
    

Through your Broker 

If your account is held in your broker's name ("street name"), you  
should contact your broker directly to transfer, exchange or redeem  
shares. 

DIVIDENDS AND TAXES 

Each year, the Fund distributes substantially all of its net investment  
income to shareholders. 

Dividends from the Fund's net investment income are declared daily and  
paid monthly. Net investment income consists of interest income, net  
short-term capital gains, if any, and dividends declared and paid on  
investments, less expenses. 

Dividend payment options 

Dividends and any distributions are automatically reinvested in  
additional shares of the same Fund, unless you elect to have the  
dividends of $10 or more paid in cash (by check or by Calvert Money  
Controller). Dividends and distributions from the Funds may be invested  
in shares of any other Calvert Group Fund or Fund with no additional  
sales charge. You must notify the Fund in writing to change your payment  
options. If you elect to have dividends and/or distributions paid in  
cash, and the U.S. Postal Service cannot deliver the check, or if it  
remains uncashed for six months, it, as well as future dividends and  
distributions, will be reinvested in additional shares. 

Federal Taxes 

In January, the Fund will mail you Form 1099-DIV indicating the federal  
tax status of dividends and any capital gain distributions paid to you  
by the Fund during the past year. Dividends and distributions are  
taxable to you regardless of whether they are taken in cash or  
reinvested. Dividends, including short-term capital gains, are taxable  
as ordinary income. Distributions from long-term capital gains are  
taxable as long-term capital gains, regardless of how long you have  
owned Fund shares. A portion of the Fund's dividends may qualify for the  
dividends received deduction for corporations. 

Other Tax Information 

In addition to federal taxes, you may be subject to state or local taxes  
on your investment, depending on the laws in your area. You will be  
notified to the extent, if any, that dividends reflect interest received  
from U.S. government securities. Such dividends may be exempt from  
certain state income taxes. 

Taxpayer Identification Number 

If we do not have your correct Social Security or Taxpayer  
Identification Number ("TIN") and a signed certified application or Form  
W-9, Federal law requires the Fund to withhold 31% of your dividends. In  
addition, you may be subject to a fine. You will also be prohibited from  
opening another account by exchange. If this TIN information is not  
received within 60 days after your account is established, your account  
may be redeemed at the current NAV on the date of redemption. The Fund  
reserves the right to reject any new account or any purchase order for  
failure to supply a certified TIN. 


   
To Open an Account:                                Prospectus 
     800-368-2748                                  January 31, 1996
                                                   As Revised, March 14, 1996 
    

Performance and Prices: 
Calvert Information Network                        MONEY MANAGEMENT PLUS 
24 hours, 7 days a week                            Prime Portfolio 
800-368-2745 

Service for Existing Account: 
     Shareholders              800-368-2745 
     Brokers                   800-368-2746 

TDD for Hearing Impaired: 
     800-541-1524 

PRINCIPAL UNDERWRITER 
Calvert Distributors, Inc. 
4550 Montgomery Avenue 
Suite 1000N 
Bethesda, Maryland 20814 


Table of Contents 

Fund Expenses 
Financial Highlights 
Investment Objective and Policies 
Yield 
Management of the Fund 
SHAREHOLDER GUIDE: 
How to Buy Shares 
When Your Account Will Be Credited 
Exchanges 
Other Calvert Group Services 
Selling Your Shares 
How to Sell Your Shares 
Dividends and Taxes 


             


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