1933 Act File No. 33-31602

1940 Act File No. 811-5950

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

Form N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933		X
	Pre-Effective Amendment No.
	Post-Effective Amendment No.  101	X
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940		X
	Amendment No. 102	X

MONEY MARKET OBLIGATIONS TRUST

(Exact Name of Registrant as Specified in Charter)

Federated Investors Funds

5800 Corporate Drive

Pittsburgh, Pennsylvania 15237-7000

(Address of Principal Executive Offices)

(412) 288-1900

(Registrant’s Telephone Number)

John W. McGonigle, Esquire

Federated Investors Tower

1001 Liberty Avenue

Pittsburgh, Pennsylvania 15222-3779

(Name and Address of Agent for Service)

(Notices should be sent to the Agent for Service)

It is proposed that this filing will become effective:

__x__	immediately upon filing pursuant to paragraph (b)
___	on ____________ pursuant to paragraph (b) (1) (iii)
___	60 days after filing pursuant to paragraph (a)(i)
__	on  _____________ pursuant to paragraph (a)(i)
___	75 days after filing pursuant to paragraph (a)(ii)
___	on ___________ pursuant to paragraph (a)(ii) of Rule 485.
If appropriate, check the following box:
__	This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

Federated
World-Class Investment Manager

Tax-Free Instruments Trust

A Portfolio of Money Market Obligations Trust

PROSPECTUS

July 31, 2008

INVESTMENT SHARES

A money market mutual fund seeking current income exempt from federal income tax consistent with stability of principal by investing in a portfolio of short-term, high-quality, tax-exempt securities.

As with all mutual funds, the Securities and Exchange Commission (SEC) has not approved or disapproved these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is a criminal offense.

Not FDIC Insured * May Lose Value * No Bank Guarantee

CONTENTS

Risk/Return Summary 1

What are the Fund's Fees and Expenses? 3

What are the Fund's Investment Strategies? 4

What are the Principal Securities in Which the Fund Invests? 5

What are the Specific Risks of Investing in the Fund? 8

What Do Shares Cost? 10

How is the Fund Sold? 11

Payments to Financial Intermediaries 12

How to Purchase Shares 13

How to Redeem and Exchange Shares 16

Account and Share Information 20

Who Manages the Fund? 23

Legal Proceedings 26

Financial Information 28

Appendix A: Hypothetical Investment and Expense Information 30

Risk/Return Summary

WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

The Fund is a money market fund that seeks to maintain a stable net asset value (NAV) of $1.00 per Share. The Fund's investment objective is current income exempt from federal income tax consistent with stability of principal. While there is no assurance that the Fund will achieve its investment objective, it endeavors to do so by following the strategies and policies described in this prospectus.

WHAT ARE THE FUND'S MAIN INVESTMENT STRATEGIES?

The Fund invests in a portfolio of short-term, high-quality, tax-exempt securities. At least 80% of the annual interest income that the Fund distributes will be exempt from federal income tax, including the alternative minimum tax for individuals and corporations (AMT). The Fund will have a dollar-weighted average portfolio maturity of 90 days or less.

WHAT ARE THE MAIN RISKS OF INVESTING IN THE FUND?

All mutual funds take investment risks. Therefore, even though the Fund is a money market fund that seeks to maintain a stable NAV, it is possible to lose money by investing in the Fund.

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The Shares offered by this prospectus are not deposits or obligations of any bank, are not endorsed or guaranteed by any bank and are not insured or guaranteed by the U.S. government, the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency.

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Risk/Return Bar Chart and Table

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Historically, the Fund has maintained a constant $1.00 net asset value per Share. The bar chart shows the variability of the Fund's Investment Shares total returns on a calendar year-end basis.

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The Fund's Investment Shares are sold without a sales charge (load). The total returns displayed above are based upon net asset value.

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The Fund's Investment Shares total return for the six-month period from January 1, 2008 to June 30, 2008 was 0.95%.

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Within the period shown in the bar chart, the Fund's Investment Shares highest quarterly return was 0.94% (quarter ended December 31, 2000). Its lowest quarterly return was 0.07% (quarter ended September 30, 2003).

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Average Annual Total Return Table

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The following table represents the Fund's Investment Shares Average Annual Total Returns for the calendar periods ended December 31, 2007.

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<R>Calendar Period</R>	<R>Fund</R>
<R>1 Year</R>	<R>2.98%</R>
<R>5 Years</R>	<R>1.69%</R>
<R>10 Years</R>	<R>2.08%</R>

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The Fund's Investment Shares 7-Day Net Yield as of December 31, 2007 was 2.71%. You may call the Fund at 1-800-341-7400 for the current 7-Day Net Yield.

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Past performance is no guarantee of future results. This information provides you with historical performance information so that you can analyze whether the Fund's investment risks are balanced by its potential returns.

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What are the Fund's Fees and Expenses?

TAX-FREE INSTRUMENTS TRUST

FEES AND EXPENSES

This table describes the fees and expenses that you may pay if you buy and hold Investment Shares of the Fund.

Shareholder Fees
Fees Paid Directly From Your Investment
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	None
Maximum Deferred Sales Charge (Load) (as a percentage of original purchase price or redemption proceeds, as applicable)	None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends (and other Distributions) (as a percentage of offering price)	None
Redemption Fee (as a percentage of amount redeemed, if applicable)	None
Exchange Fee	None
Annual Fund Operating Expenses (Before Waiver and Reduction) 1
Expenses That are Deducted From Fund Assets (as a percentage of average net assets)
Management Fee 2	0.50%
Distribution (12b-1) Fee	None
Other Expenses 3	0.41%
Total Annual Fund Operating Expenses	0.91%
1 The percentages shown are based on expenses for the entire fiscal year ended March 31, 2008. However, the rate at which expenses are accrued during the fiscal year may not be constant and, at any particular point, may be greater or less than the stated average percentage. Although not contractually obligated to do so, the Adviser waived and the shareholder services provider did not charge certain amounts. These are shown below along with the net expenses the Fund actually paid for the fiscal year ended March 31, 2008.
Total Waiver and Reduction of Fund Expenses	0.16%
Total Actual Annual Fund Operating Expenses (after waiver and reduction)	0.75%
2 The Adviser voluntarily waived a portion of the management fee. The Adviser can terminate this voluntary waiver at any time. The management fee paid by the Fund (after the voluntary waiver) was 0.44% for the fiscal year ended March 31, 2008.
3 Includes a shareholder services fee/account administration fee which is used to compensate intermediaries for shareholder services or account administrative services. Also includes a recordkeeping fee which is used to compensate intermediaries for recordkeeping services. Please see "Payments to Financial Intermediaries" herein. The shareholder services provider did not charge, and therefore the Fund's Investment Shares did not accrue, a portion of its fee. This reduction can be terminated at any time. Total other expenses paid by the Fund's Investment Shares (after the reduction) were 0.31% for the fiscal year ended March 31, 2008.

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EXAMPLE

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This Example is intended to help you compare the cost of investing in the Fund's Investment Shares with the cost of investing in other mutual funds.

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The Example assumes that you invest $10,000 in the Fund's Investment Shares for the time periods indicated and then redeem all of your Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's Investment Shares operating expenses are before waiver and reduction as shown in the table and remain the same. Although your actual costs and returns may be higher or lower, based on these assumptions your costs would be:

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<R>1 Year</R>	<R>$</R>	<R>93</R>
<R>3 Years</R>	<R>$</R>	<R>290</R>
<R>5 Years</R>	<R>$</R>	<R>504</R>
<R>10 Years</R>	<R>$</R>	<R>1,120</R>

What are the Fund's Investment Strategies?

The Fund invests in a portfolio of high-quality, tax-exempt securities maturing in 397 days or less. At least 80% of the annual interest income that the Fund distributes will be exempt from federal income tax, including AMT. The Fund will have a dollar-weighted average portfolio maturity of 90 days or less. The Fund's investment adviser (Adviser) actively manages the Fund's portfolio, seeking to limit the credit risk taken by the Fund and to select investments with enhanced returns.

The Adviser performs a fundamental credit analysis to develop an approved list of issuers and securities that meet the Adviser's standards for minimal credit risk. The Adviser monitors the credit risks of all portfolio securities on an ongoing basis by reviewing periodic financial data and ratings of nationally recognized statistical rating organizations (NRSROs).

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The Adviser targets a dollar-weighted average portfolio maturity range based upon its interest rate outlook and the tax-exempt securities available. The Adviser formulates its interest rate outlook by analyzing a variety of factors, such as (among others) current and expected U.S. economic growth; current and expected interest rates and inflation; and the Federal Reserve Board's monetary policy. The Adviser structures the portfolio by investing in variable rate demand instruments and municipal notes as well as other permissible investments as described in this prospectus and in the Fund's Statement of Additional Information (SAI). The Adviser generally shortens the portfolio's maturity when it expects interest rates to rise and extends the maturity when it expects interest rates to fall. This strategy seeks to enhance the returns from favorable interest rate changes and reduce the effect of unfavorable changes.

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Under normal conditions, so long as the Fund's name includes the words "tax-free," the Fund will invest its assets so that at least 80% of the income that it distributes will be exempt from federal income tax. This policy may not be changed without shareholder approval.

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TEMPORARY INVESTMENTS

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The Fund may temporarily depart from its principal investment strategies by investing its assets in taxable securities or holding cash. It may do this in response to unusual circumstances, such as: adverse market, economic or other conditions (for example, to help avoid potential losses, or during periods when there is a shortage of appropriate tax-exempt securities); to maintain liquidity to meet shareholder redemptions; or to accommodate cash inflows. It is possible that such temporary investments could affect the Fund's investment returns. If the Fund invests in taxable securities, it may receive and distribute taxable income to investors and, to that extent, fail to meet its investment objectives.

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What are the Principal Securities in Which the Fund Invests?

TAX-EXEMPT SECURITIES

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Tax-exempt securities are fixed-income securities that, in the opinion of bond counsel to the issuer or on the basis of another authority believed by the Adviser to be reliable, pay interest that is not subject to federal regular income taxes. Fixed-income securities pay interest, dividends and distributions at a specified rate. The rate may be a fixed percentage of the principal or adjusted periodically. In addition, the issuer of a fixed-income security must repay the principal amount of the security, normally within a specified time. Certain of these tax-exempt securities may be subject to credit enhancement.

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Typically, states, counties, cities and other political subdivisions and authorities issue tax-exempt securities. The market categorizes tax-exempt securities by their source of repayment.

Variable Rate Demand Instruments

Variable rate demand instruments are tax-exempt securities that require the issuer or a third party, such as a dealer or bank, to repurchase the security for its face value upon demand. The securities also pay interest at a variable rate intended to cause the securities to trade at their face value. The Fund treats variable rate demand instruments as short-term securities even though their maturity may extend beyond 397 days because, within 397 days, their variable interest rate adjusts in response to changes in market rates and the repayment of their principal amount can be demanded. Certain variable rate demand instruments invested in by the Fund, referred to as "synthetic variable rate demand instruments," have certain features, such as call features, that make it possible that the Fund will realize capital gains.

Municipal Notes

Municipal notes are short-term, tax-exempt securities. Many municipalities issue such notes to fund their current operations before collecting taxes or other municipal revenues. Municipalities may also issue notes to fund capital projects prior to issuing long-term bonds. The issuers typically repay the notes at the end of their fiscal year, either with taxes, other revenues or proceeds from newly issued notes or bonds.

General Obligation Bonds

General obligation bonds are supported by the issuer's power to exact property or other taxes. The issuer must impose and collect taxes sufficient to pay principal and interest on the bonds. However, the issuer's authority to impose additional taxes may be limited by its charter or state law.

Special Revenue Bonds

Special revenue bonds are payable solely from specific revenues received by the issuer such as specific taxes, assessments, tolls, or fees. Bondholders may not collect from the municipality's general taxes or revenues. For example, a municipality may issue bonds to build a toll road, and pledge the tolls to repay the bonds. Therefore, a shortfall in the tolls normally would result in a default on the bonds.

Private Activity Bonds

Private activity bonds are special revenue bonds used to finance private entities. A certain percentage of the proceeds from a private activity bond is used for a private business use or a certain percentage of the debt service regarding a private activity bond is paid directly or indirectly from a private business use. A private business use is a trade or business carried on by any person or entity other than a governmental unit. Private activity bonds are secured primarily by revenues derived from loan repayments or lease payments due from the private entity, which may or may not be guaranteed by a parent company or otherwise secured. Private activity bonds generally are not secured by a pledge of the taxing power of the issuer of such bonds. For example, a municipality may issue bonds to finance a new factory to improve its local economy. The municipality would lend the proceeds from its bonds to the company using the factory, and the company would agree to make loan payments sufficient to repay the bonds. The bonds would be payable from the company's loan payments, and generally not from any other revenues of the municipality. Therefore, any default of the loan normally would result in a default on the bonds.

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Types of private activity bonds include, for example: bonds issued to obtain funds to provide water, sewage and solid waste facilities, qualified residential rental projects, certain local electric, gas and other heating and cooling facilities, qualified hazardous waste facilities, high speed intercity rail facilities, certain airports, docks, wharves and mass transportation facilities, and qualified mortgages; qualified student loan bonds; qualified redevelopment bonds; and bonds used for certain organizations exempt from Federal income taxation (qualified 501(c)(3) bonds).

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The interest on many types of private activity bonds is subject to AMT. However, issues are available in the marketplace that are not subject to AMT due to qualifying tax rules.

CREDIT ENHANCEMENT

The Fund may invest in tax-exempt securities with credit enhancement. Credit enhancement consists of an arrangement in which a company agrees to pay amounts due on a fixed-income security if the issuer defaults. In some cases the company providing credit enhancement makes all payments directly to the security holders and receives reimbursement from the issuer. Normally, the credit enhancer has greater financial resources and liquidity than the issuer. For this reason, the Adviser usually evaluates the credit risk of a fixed-income security based solely upon its credit enhancement.

Common types of credit enhancement include guarantees, letters of credit, bond insurance and surety bonds. Credit enhancement also includes arrangements where securities or other liquid assets secure payment of a fixed-income security. If a default occurs, these assets may be sold and the proceeds paid to the security's holders. Either form of credit enhancement reduces credit risks by providing another source of payment for a fixed-income security.

TAX-EXEMPT COMMERCIAL PAPER

Tax-exempt commercial paper is a tax-exempt issuer's obligation with a maturity of less than nine months. Tax-exempt issuers may issue commercial paper to pay for current expenditures or other permissible activities. Tax-exempt issuers may constantly reissue their commercial paper and use the proceeds (or other sources) to repay maturing paper. If the tax-exempt issuer cannot continue to obtain liquidity in this fashion, its commercial paper may default.

INVESTMENT RATINGS

The securities in which the Fund invests must be rated in one of the two highest short-term rating categories by one or more NRSROs or be deemed by the Adviser to be of comparable quality to securities having such ratings.

What are the Specific Risks of Investing in the Fund?

CREDIT RISKS

Credit risk is the possibility that an issuer will default on a security by failing to pay interest or principal when due. If an issuer defaults, the Fund will lose money. Money market funds try to minimize this risk by purchasing higher quality securities.

Many fixed-income securities (including tax-exempt securities) receive credit ratings from NRSROs such as Standard & Poor's and Moody's Investors Service. These NRSROs assign ratings to securities by assessing the likelihood of issuer default. Lower credit ratings correspond to higher perceived credit risk and higher credit ratings correspond to lower perceived credit risk. Credit ratings do not provide assurance against default or other loss of money. If a security has not received a rating, the Fund must rely entirely upon the Adviser's credit assessment.

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Fixed-income securities generally compensate for greater credit risk by paying interest at a higher rate. The difference between the yield of a security and the yield of a U.S. Treasury security or other appropriate index with a comparable maturity (the spread) measures the additional interest paid for risk. Spreads may increase generally in response to adverse economic or market conditions. A security's spread may also increase if the security's rating is lowered, or the security is perceived to have an increased credit risk. An increase in the spread will cause the price of the security to decline.

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Credit risk includes the possibility that a party to a transaction involving the Fund will fail to meet its obligations. This could cause the Fund to lose the benefit of the transaction or prevent the Fund from selling or buying other securities to implement its investment strategy.

INTEREST RATE RISKS

Prices of fixed-income securities (including tax-exempt securities) rise and fall in response to changes in the interest rate paid by similar securities. Generally, when interest rates rise, prices of fixed-income securities fall. However, market factors, such as the demand for particular fixed-income securities, may cause the price of certain fixed-income securities to fall while the prices of other securities rise or remain unchanged.

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Interest rate changes have a greater effect on the price of fixed-income securities with longer durations. Duration measures the price sensitivity of a fixed-income security to changes in interest rates. Money market funds try to minimize this risk by purchasing short-term securities. Certain of the Fund's investments may be valued, in part, by reference to the relative relationship between interest rates on tax-exempt securities and taxable securities, respectively. When the market for tax-exempt securities underperforms (or outperforms) the market for taxable securities, the value of these investments may be negatively affected (or positively affected).

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CREDIT ENHANCEMENT RISK

The securities in which the Fund invests may be subject to credit enhancement (for example, guarantees, letters of credit or bond insurance). Credit enhancement is designed to assure timely payment of the security; it does not protect the Fund against losses caused by declines in a security's value due to changes in market conditions. Securities subject to credit enhancement generally would be assigned a lower credit rating if the rating were based primarily on the credit quality of the issuer without regard to the credit enhancement. If the credit quality of the credit enhancement provider (for example, a bank or bond insurer) is downgraded, the rating on a security credit enhanced by such credit enhancement provider also may be downgraded.

A single bank, bond insurer or other enhancement provider may provide credit enhancement to more than one of the Fund's investments. Having multiple securities credit enhanced by the same enhancement provider will increase the adverse effects on the Fund that are likely to result from a downgrading of, or a default by, such an enhancement provider. Adverse developments in the banking or bond insurance industries also may negatively affect the Fund, as the Fund may invest its assets in securities credit enhanced by banks or by bond insurers without limit. Bond insurers that provide credit enhancement for large segments of the fixed income markets, including the municipal bond market, may be more susceptible to being downgraded or defaulting during recessions or similar periods of economic stress.

SECTOR RISKS

A substantial part of the Fund's portfolio may be comprised of securities credit enhanced by banks or companies in similar businesses, or with similar characteristics. As a result, the Fund will be more susceptible to any economic, business, political or other developments which generally affect these entities. Developments affecting banks or companies with similar characteristics might include changes in interest rates, changes in economic cycle affecting credit losses and regulatory changes.

TAX RISKS

In order to pay interest that is exempt from federal regular income tax, tax- exempt securities must meet certain legal requirements. Failure to meet such requirements may cause the interest received and distributed by the Fund to shareholders to be taxable. Changes or proposed changes in federal tax laws may cause the prices of tax-exempt securities to fall and/or may affect the tax-exempt status of the securities in which the Fund invests.

CALL RISKS

Call risk is the possibility that an issuer may redeem a fixed-income security before maturity (a call) at a price above or below its current market price. An increase in the likelihood of a call may reduce the security's price.

If a fixed-income security is called, the Fund may have to reinvest the proceeds in other fixed-income securities with lower interest rates, higher credit risks, or other less favorable characteristics.

RISKS ASSOCIATED WITH INVESTING SHARE PURCHASE PROCEEDS

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On days during which there are net purchases of Fund Shares, the Fund must invest the proceeds at prevailing market yields. If the yield of the securities purchased is less than that of the securities already in the portfolio, the Fund's yield will likely decrease. Conversely, net purchases on days on which short-term yields rise will cause the Fund's yield to increase. The larger the amount that must be invested or the greater the difference between the yield of the securities purchased and the yield of the existing investments, the greater the impact will be on the yield of the Fund. In the event of significant changes in short-term yields or significant net purchases, the Fund retains the discretion to close to new investments. However, the Fund is not required to close, and no assurance can be given that this will be done in any given circumstance.

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What Do Shares Cost?

The Fund attempts to stabilize the NAV of its Shares at $1.00 by valuing the portfolio securities using the amortized cost method. The Fund cannot guarantee that its NAV will always remain at $1.00 per Share. The Fund does not charge a front-end sales charge.

You can purchase, redeem or exchange Shares any day the New York Stock Exchange (NYSE) is open (a Regular Business Day). You may also be able to purchase and redeem (but not exchange) Shares on certain days that the NYSE is closed on an unscheduled basis due to unforeseen or emergency circumstances, if the Fund's Board determines to allow Fund Share transactions on such days (a Special Trading Day). If the Fund declares a Special Trading Day, information regarding shareholder trading activities for the Special Trading Day (such as when NAV, and entitlement to that day's dividend, will be determined) will be available by calling the Fund at 1-800-341-7400 and will be posted on Federated's website at FederatedInvestors.com . The information set forth in this prospectus regarding times relevant to NAV determination and dividend entitlement applies only to Regular Business Days. Please note that the times that might be specified for NAV determination and dividend entitlement on a Special Trading Day would not necessarily be the same as set forth in this prospectus with respect to Regular Business Days. Although Federated will attempt to make such information available in advance of a particular Special Trading Day, given the nature of Special Trading Days, it may not be able to do so until the morning of the Special Trading Day.

When the Fund receives your transaction request in proper form (as described in this prospectus), it is processed at the next determined NAV. NAV is determined at 2:00 p.m. (Eastern time) and as of the end of regular trading on the NYSE (normally 4:00 p.m. Eastern time) each day the NYSE is open. The times as of when NAV is determined, and when orders must be placed, may be changed as permitted by the SEC.

How is the Fund Sold?

The Fund offers two Share classes: Investment Shares and Institutional Service Shares, each representing interests in a single portfolio of securities. This prospectus relates only to Investment Shares. All Share classes have different expenses which affect their performance. The Fund also offers by separate prospectus an additional class of Shares that may be preferable for shareholders purchasing $25,000 or more. Contact your financial intermediary or call 1-800-341-7400 for more information concerning the other class.

The Fund's Distributor, Federated Securities Corp., markets the Shares described in this prospectus to institutions and fiduciaries or to individuals, directly or through financial intermediaries. The Fund may not be a suitable investment for retirement plans. Under the Distributor's Contract with the Fund, the Distributor offers Shares on a continuous, best-efforts basis. The Distributor is a subsidiary of Federated Investors, Inc. (Federated).

Payments to Financial Intermediaries

The Fund and its affiliated service providers may pay fees as described below to financial intermediaries (such as broker-dealers, banks, investment advisers or third-party administrators) whose customers are shareholders of the Fund.

SERVICE FEES

The Fund may pay Service Fees of up to 0.25% of average net assets to financial intermediaries or to Federated Shareholder Services Company (FSSC), a subsidiary of Federated, for providing services to shareholders and maintaining shareholder accounts. Intermediaries that receive Service Fees may include a company affiliated with management of Federated. As discussed under "Who Manages the Fund" below, the limited partner of the Fund's Adviser also receives service fees as a financial intermediary. If a financial intermediary receives Service Fees on an account, it is not eligible to also receive Account Administration Fees on that same account.

ACCOUNT ADMINISTRATION FEES

The Fund may pay Account Administration Fees of up to 0.15% of average net assets to banks that are not registered as broker-dealers or investment advisers for providing administrative services to the Funds and shareholders. If a financial intermediary receives Account Administration Fees on an account, it is not eligible to also receive Service Fees or Recordkeeping Fees on that same account.

RECORDKEEPING FEES

The Fund may pay Recordkeeping Fees on an average net assets basis or on a per account per year basis to financial intermediaries for providing recordkeeping services to the Funds and shareholders. If a financial intermediary receives Recordkeeping Fees on an account, it is not eligible to also receive Account Administration Fees or Networking Fees on that same account.

NETWORKING FEES

The Fund may reimburse Networking Fees on a per account per year basis to financial intermediaries for providing administrative services to the Funds and shareholders on certain non-omnibus accounts. If a financial intermediary receives Networking Fees on an account, it is not eligible to also receive Recordkeeping Fees on that same account.

ADDITIONAL PAYMENTS TO FINANCIAL INTERMEDIARIES

The Distributor may pay out of its own resources amounts (including items of material value) to certain financial intermediaries that support the sale of Shares or provide services to Fund shareholders. The amounts of these payments could be significant, and may create an incentive for the financial intermediary or its employees or associated persons to recommend or sell Shares of the Fund to you. In some cases, such payments may be made by or funded from the resources of companies affiliated with the Distributor (including the Adviser). These payments are not reflected in the fees and expenses listed in the fee table section of the Fund's prospectus and described above because they are not paid by the Fund.

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These payments are negotiated and may be based on such factors as the number or value of Shares that the financial intermediary sells or may sell; the value of client assets invested; or the type and nature of services or support furnished by the financial intermediary. These payments may be in addition to payments of Service Fees and/or Account Administration Fees and/or Recordkeeping Fees and/or Networking Fees made by the Fund to the financial intermediary. In connection with these payments, the financial intermediary may elevate the prominence or profile of the Fund and/or other Federated funds within the financial intermediary's organization by, for example, placement on a list of preferred or recommended funds, and/or granting the Distributor preferential or enhanced opportunities to promote the funds in various ways within the financial intermediary's organization. You can ask your financial intermediary for information about any payments it receives from the Distributor or the Fund and any services provided.

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How to Purchase Shares

You may purchase Shares through a financial intermediary, directly from the Fund or through an exchange from another Federated fund. The Fund reserves the right to reject any request to purchase or exchange Shares. New investors must submit a completed New Account Form.

The required minimum initial investment for Fund Shares is $1,500. The required minimum subsequent investment amount is $100.

An institutional investor's minimum investment is calculated by combining all accounts it maintains with the Fund. Financial intermediaries may impose higher or lower minimum investment requirements on their customers than those imposed by the Fund. Keep in mind that financial intermediaries may charge you fees for their services in connection with your Share transactions.

THROUGH A FINANCIAL INTERMEDIARY

Submit your purchase order to your financial intermediary. Financial intermediaries are responsible for promptly submitting purchase orders and payment to the Fund by electronic means permitted by the Fund, or according to the instructions in the sections "By Telephone" or "By Mail" below.

If your financial intermediary submits your order electronically, your order will be processed and you will be entitled to dividends pursuant to operating procedures established by the Fund. If your financial intermediary submits your order by telephone or by mail, your order will be processed and you will be entitled to dividends as outlined in the section "By Telephone" or the section "By Mail" below.

If you deal with a financial intermediary, you will have to follow the financial intermediary's procedures for transacting with the Fund. For more information about how to purchase Shares through your financial intermediary, you should contact your financial intermediary directly.

DIRECTLY FROM THE FUND

By Telephone

You may purchase Shares by calling the Fund at 1-800-341-7400.

Your purchase will be priced at the NAV next calculated after the Fund receives your order. Receipt of a purchase order by a financial intermediary will be deemed receipt by the Fund to the extent that such financial intermediary has been duly authorized by the Fund to accept such orders. If you call the Fund by 2:00 p.m. (Eastern time) and send your payment by wire by the close of the Federal Reserve wire transfer system, you will be entitled to that day's dividend.

Send your wire to:

State Street Bank and Trust Company
Boston, MA
Dollar Amount of Wire
ABA Number 011000028
Attention: EDGEWIRE
Wire Order Number, Dealer Number or Group Number
Nominee/Institution Name
Fund Name and Number and Account Number

If the Fund does not receive your purchase wire by the close of the Federal Reserve wire transfer system on the day you placed your order, your purchase will be canceled and you could be liable for any losses or fees incurred by the Fund or State Street Bank and Trust Company, the Fund's transfer agent.

Y ou cannot purchase Shares by wire on days when wire transfers are restricted, even if the NYSE is open on such days (for example, Columbus Day and Veterans Day). The Fund does not consider wire purchase requests received on such days to be in proper form, and will not process such requests.

By Mail

You may purchase Shares by sending your check payable to The Federated Funds at the following address:

The Federated Funds
P.O. Box 8600
Boston, MA 02266-8600

If you send your check by a private courier or overnight delivery service that requires a street address, send it to:

The Federated Funds
30 Dan Road
Canton, MA 02021

Please note your account number on your check. Payment should be made in U.S. dollars and drawn on a U.S. bank. If your check does not clear, your purchase will be canceled and you could be liable for any losses or fees incurred by the Fund or State Street Bank and Trust Company, the Fund's transfer agent. The Fund reserves the right to reject any purchase request. For example, to protect against check fraud the Fund may reject any purchase request involving a check that is not made payable to The Federated Funds (including, but not limited to, requests to purchase Shares using third-party checks), or involving temporary checks or credit card checks.

Your order will be priced at the NAV next calculated after the Fund receives your check and you will be entitled to dividends beginning on the day the check is converted into federal funds (normally the business day after the check is received).

THROUGH AN EXCHANGE

You may purchase Shares through an exchange from any Federated fund or share class that does not have a stated sales charge or contingent deferred sales charge, except Liberty U.S. Government Money Market Trust and Class K Shares. You must meet the minimum initial investment requirement for purchasing Shares (if applicable) and both accounts must have identical registrations.

BY SYSTEMATIC INVESTMENT PROGRAM

Once you have opened an account, you may automatically purchase additional Shares on a regular basis by completing the Systematic Investment Program (SIP) section of the New Account Form or by contacting the Fund or your financial intermediary. The minimum investment amount for SIPs is $50.

BY AUTOMATED CLEARING HOUSE (ACH)

Once you have opened an account, you may purchase additional Shares through a depository institution that is an ACH member. This purchase option can be established by completing the appropriate sections of the New Account Form.

How to Redeem and Exchange Shares

You should redeem or exchange Shares:

• through a financial intermediary if you purchased Shares through a financial intermediary; or
  
• directly from the Fund if you purchased Shares directly from the Fund.
  

THROUGH A FINANCIAL INTERMEDIARY

Submit your redemption or exchange request to your financial intermediary. Financial intermediaries are responsible for promptly submitting redemption or exchange requests to the Fund by electronic means permitted by the Fund, or according to the instructions in the sections "By Telephone" or "By Mail" below.

If your financial intermediary submits your redemption or exchange request electronically, your request will be processed and your proceeds will be paid pursuant to operating procedures established by the Fund. If your financial intermediary submits your redemption or exchange request by telephone or by mail, your request will be processed and your proceeds will be paid as outlined in the section "By Telephone" or the section "By Mail" below.

If you deal with a financial intermediary, you will have to follow the financial intermediary's procedures for transacting with the Fund. For more information about how to redeem or exchange Shares through your financial intermediary, you should contact your financial intermediary directly.

DIRECTLY FROM THE FUND

By Telephone

You may redeem or exchange Shares by calling the Fund at 1-800-341-7400. Your redemption or exchange request will be priced at the NAV next calculated after the request is received by the Fund. Receipt of a redemption or exchange order by a financial intermediary will be deemed receipt by the Fund to the extent that such financial intermediary has been duly authorized by the Fund to accept such orders.

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If you call the Fund by 2:00 p.m. (Eastern time) and your redemption proceeds are wired to you the same day, you will not be entitled to that day's dividend.

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If you call the Fund after 2:00 p.m. (Eastern time) and before the end of regular trading (normally 4:00 p.m. Eastern time) on the NYSE, you will be entitled to that day's dividend and your redemption proceeds will be sent to you the following business day.

By Mail

You may redeem or exchange Shares by mailing a written request to the Fund.

Your redemption or exchange request will be priced at the NAV next calculated after the Fund receives your written request in proper form. If your redemption proceeds are wired to you the same day your order is priced, you will not be entitled to that day's dividend. If a check for your redemption proceeds is mailed to you on the next business day after your request is priced, you will be entitled to dividends through the day on which the Fund priced your request.

Send requests by mail to:

The Federated Funds
P.O. Box 8600
Boston, MA 02266-8600

Send requests by private courier or overnight delivery service to:

The Federated Funds
30 Dan Road
Canton, MA 02021

All requests must include:

• Fund Name and Share Class, account number and account registration;
  
• amount to be redeemed or exchanged;
  
• signatures of all shareholders exactly as registered; and
  
• if exchanging, the Fund Name and Share Class, account number and account registration into which you are exchanging.
  

Call your financial intermediary or the Fund if you need special instructions.

Signature Guarantees

Signatures must be guaranteed by a financial institution which is a participant in a Medallion signature guarantee program if:

• your redemption will be sent to an address other than the address of record;
  
• your redemption will be sent to an address of record that was changed within the last 30 days;
  
• a redemption is payable to someone other than the shareholder(s) of record; or
  
• if exchanging (transferring) into another fund with a different shareholder registration.
  

A Medallion signature guarantee is designed to protect your account from fraud. Obtain a Medallion signature guarantee from a bank or trust company, savings association, credit union or broker, dealer, or securities exchange member. A notary public cannot provide a signature guarantee.

PAYMENT METHODS FOR REDEMPTIONS

Your redemption proceeds will be mailed by check to your address of record. The following payment options are available if you complete the appropriate section of the New Account Form or an Account Service Options Form. These payment options require a signature guarantee if they were not established when the account was opened:

• an electronic transfer to your account at a financial institution that is an ACH member; or
  
• wire payment to your account at a domestic commercial bank that is a Federal Reserve System member.
  

Redemption in Kind

Although the Fund intends to pay Share redemptions in cash, it reserves the right to pay the redemption price in whole or in part by a distribution of the Fund's portfolio securities.

LIMITATIONS ON REDEMPTION PROCEEDS

Redemption proceeds normally are wired or mailed within one business day after receiving a request in proper form. Payment may be delayed for up to seven days:

• to allow your purchase to clear (as discussed below);
  
• during periods of market volatility;
  
• when a shareholder's trade activity or amount adversely impacts the Fund's ability to manage its assets; or
  
• during any period when the Federal Reserve wire or applicable Federal Reserve banks are closed, other than customary weekend and holiday closings.
  

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If you request a redemption of Shares recently purchased by check (including a cashier's check or certified check), money order, bank draft or ACH, your redemption proceeds may not be made available for up to seven calendar days to allow the Fund to collect payment on the instrument used to purchase such Shares. If the purchase instrument does not clear, your purchase order will be canceled and you will be responsible for any losses incurred by the Fund as a result of your canceled order.

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Any attempt to redeem Shares through checkwriting or debit card before the purchase instrument has cleared will be automatically rejected.

In addition, the right of redemption may be suspended, or the payment of proceeds may be delayed, during any period:

• when the NYSE is closed, other than customary weekend and holiday closings;
  
• when trading on the NYSE is restricted, as determined by the SEC; or
  
• in which an emergency exists, as determined by the SEC, so that disposal of the Fund's investments or determination of its NAV is not reasonably practicable.
  

You will not accrue interest or dividends on uncashed redemption checks from the Fund if those checks are undeliverable and returned to the Fund.

EXCHANGE PRIVILEGE

You may exchange Shares of the Fund for shares of any Federated fund or share class that does not have a stated sales charge or contingent deferred sales charge, except Liberty U.S. Government Money Market Trust and Class K Shares. To do this, you must:

• ensure that the account registrations are identical;
  
• meet any applicable minimum initial investment requirements; and
  
• receive a prospectus for the fund into which you wish to exchange.
  

An exchange is treated as a redemption and a subsequent purchase, and is a taxable transaction.

The Fund may modify or terminate the exchange privilege at any time.

SYSTEMATIC WITHDRAWAL/EXCHANGE PROGRAM

You may automatically redeem or exchange Shares in a minimum amount of $100 on a regular basis. Complete the appropriate section of the New Account Form or an Account Service Options Form or contact your financial intermediary or the Fund. Your account value must meet the minimum initial investment amount at the time the program is established. This program may reduce, and eventually deplete, your account. Payments should not be considered yield or income.

CHECKWRITING

You may request checks to redeem your Fund Shares. Your account will continue to receive the daily dividend declared on the Shares being redeemed until the check is presented for payment.

DEBIT CARD

You may request a debit card account that allows you to redeem Shares. There is an annual fee for this service that the Fund will automatically deduct from your account.

ADDITIONAL CONDITIONS

Telephone Transactions

The Fund will record your telephone instructions. If the Fund does not follow reasonable procedures, it may be liable for losses due to unauthorized or fraudulent telephone instructions.

Share Certificates

The Fund no longer issues share certificates. If you are redeeming or exchanging Shares represented by certificates previously issued by the Fund, you must return the certificates with your written redemption or exchange request. For your protection, send your certificates by registered or certified mail, but do not endorse them.

Account and Share Information

ACCOUNT ACTIVITY

You will receive periodic statements reporting all account activity, including systematic transactions, dividends and capital gains paid.

DIVIDENDS AND CAPITAL GAINS

The Fund declares any dividends daily and pays them monthly to shareholders.

The Fund does not seek to realize any capital gains or losses. However, the Fund may realize capital gains on certain securities, such as synthetic variable rate demand instruments, that may be redeemed in certain circumstances at a premium to their face value. If capital gains or losses were to occur, they could result in an increase or decrease in dividends. The Fund pays any capital gains at least annually, and may make such special distributions of dividends and capital gains as may be necessary to meet applicable regulatory requirements. Your dividends and capital gains distributions will be automatically reinvested in additional Shares without a sales charge, unless you elect cash payments. Dividends may also be reinvested without sales charges in shares of any class of any other Federated fund of which you are already a shareholder.

If you have elected to receive dividends and/or capital gain distributions in cash, and your check is returned by the postal or other delivery service as "undeliverable," or you do not respond to mailings from Federated with regard to uncashed distribution checks, your distribution option will automatically be converted to having all dividends and capital gains reinvested in additional shares. No interest will accrue on amounts represented by uncashed distribution checks. See "Tax Information" below for information on the tax consequences of the Fund realizing a capital gain.

ACCOUNTS WITH LOW BALANCES

Due to the high cost of maintaining accounts with low balances, accounts may be closed if redemptions or exchanges cause the account balance to fall below $1,500. Before an account is closed, you will be notified and allowed at least 30 days to purchase additional Shares to meet the minimum.

TAX INFORMATION

The Fund sends an annual statement of your account activity to assist you in completing your federal, state and local tax returns. It is anticipated that Fund distributions will be primarily dividends that are exempt from federal income tax, although a portion of the Fund's dividends may not be exempt. Dividends may be subject to state and local taxes. Although the Fund does not seek to realize capital gains, the Fund may realize and distribute capital gains from time to time as a result of the Fund's normal investment activities. Distributions of net short-term capital gains are taxable to you as ordinary income. Distributions of net long-term capital gains are taxable to you as long-term capital gains regardless of how long you have owned your Shares. Capital gains and non-exempt dividends are taxable whether paid in cash or reinvested in the Fund. Redemptions and exchanges are taxable sales. Please consult your tax adviser regarding your federal, state and local tax liability.

FREQUENT TRADING POLICIES

Given the short-term nature of the Fund's investments and its use of the amortized cost method for calculating the NAV of Fund Shares, the Fund does not anticipate that in the normal case frequent or short-term trading into and out of the Fund will have significant adverse consequences for the Fund and its shareholders. For this reason and because the Fund is intended to be used as a liquid short-term investment, the Fund's Board has not adopted policies or procedures to monitor or discourage frequent or short-term trading of the Fund's Shares. Regardless of their frequency or short-term nature, purchases and redemptions of Fund Shares can have adverse effects on the management of the Fund's portfolio and its performance.

PORTFOLIO HOLDINGS INFORMATION

Information concerning the Fund's portfolio holdings is available in the "Products" section of Federated's website at FederatedInvestors.com. A complete listing of the Fund's portfolio holdings as of the end of each month is posted on the website 15 days (or the next business day) after the end of the month and remains posted until replaced by the information for the succeeding month. Summary portfolio composition information as of the close of each month (except for recent purchase and sale transaction information, which is updated quarterly) is posted on the website 15 days (or the next business day) after month-end and remains until replaced by the information for the succeeding month. The summary portfolio composition information may include identification of the Fund's top ten credit/obligor exposures and effective average maturity, and percentage breakdowns of the portfolio by effective maturity range, credit quality and portfolio composition.

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To access this information from the "Products" section of the website, click on the "Portfolio Holdings" link under "Related Information" and select the appropriate link opposite the name of the Fund, or select the name of the Fund, and from the Fund's page, click on the "Portfolio Holdings" or "Composition" link.

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You may also access portfolio information as of the end of the Fund's fiscal quarters from the "Products" section of the website. The Fund's annual and semi-annual reports, which contain complete listings of the Fund's portfolio holdings as of the end of the Fund's second and fourth fiscal quarters, may be accessed by selecting the "Prospectuses and Regulatory Reports" link under "Related Information" and selecting the link to the appropriate PDF. Complete listings of the Fund's portfolio holdings as of the end of the Fund's first and third fiscal quarters may be accessed by selecting "Portfolio Holdings" from the "Products" section and then selecting the appropriate link opposite the name of the Fund. Fiscal quarter information is made available on the website within 70 days after the end of the fiscal quarter. This information is also available in reports filed with the SEC at the SEC's website at www.sec.gov.

Who Manages the Fund?

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The Board of Trustees (the "Board") governs the Fund. The Fund is a portfolio of Money Market Obligations Trust (the "Trust"), a Massachusetts business trust. The Board selects and oversees the investment adviser to the Fund, Passport Research, Ltd. (the "Adviser"). On July 22, 2008, the shareholders of the Fund, upon recommendation by the Board, approved a new investment advisory contract between the Adviser and the Trust, on behalf of the Fund. This new investment advisory contract was entered into and became effective on July 31, 2008. Prior to July 31, 2008, the investment adviser to the Fund was Federated Investment Management Company (the "Former Adviser"). The Former Adviser is organized as a Delaware statutory trust and is a wholly owned subsidiary of Federated Investors, Inc. The Adviser is organized as a Pennsylvania limited partnership. The Adviser currently is, and on May 21, 1981, was formed to be, a joint venture between Federated and Edward D. Jones & Co., L.P. ("Edward Jones"), which would serve as the investment adviser for the Edward Jones Money Market Fund, which, as of February 28, 2008, had $21.2 billion in net assets. The Former Adviser is the general partner of the Adviser and owns a 50.5% general partner interest in the Adviser. Edward Jones is the limited partner of the Adviser and owns a 49.5% limited partner interest in the Adviser. Edward Jones is organized as a Missouri limited partnership. Edward Jones is a large broker-dealer and financial services firm with approximately 9,200 offices spread across all 50 states in the United States, and has affiliates with approximately 590 locations in Canada and 230 locations in the United Kingdom.

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The Adviser and other subsidiaries of Federated advise approximately 148 equity, fixed-income, and money market mutual funds as well as a variety of customized separately managed accounts, which totaled approximately $302 billion in assets as of December 31, 2007. Federated was established in 1955 and is one of the largest investment managers in the United States with approximately 1,270 employees. Federated provides investment products to nearly 5,500 investment professionals and institutions.

The Adviser manages the Fund's assets, including buying and selling portfolio securities. The management fees, shareholder services fees, administration fees, recordkeeping fees or other fees or expenses payable by the Fund, or its shareholders, did not change as a result of the new investment advisory contract with the Adviser. Since the Former Adviser is the general partner of the Adviser, it also is expected that the same personnel of the Former Adviser that were involved in managing the Fund prior to July 31, 2008 will continue under the Adviser to manage the Fund. The address of the Adviser is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, PA 15222-3779.

The partners in the Adviser allocate the expenses and revenues of the partnership according to a mutually agreed-upon formula, which is negotiated and may vary over time. Edward Jones, as the limited partner of the Adviser, is entitled to a significant portion of the partnership distributions made by the Adviser, which is derived from the advisory fee revenue received by the Adviser from the Fund. The relationship between the partners in the Adviser with respect to the Fund is similar to the relationship currently in place between the partners to the Adviser with respect to Edward Jones Money Market Fund which is another mutual fund managed by the Adviser. Last year, under that relationship, the general partner received partnership distributions representing approximately 13% of the Adviser's revenues, while the limited partner received partnership distributions representing approximately 87% of the Adviser's revenues. The partnership distribution allocation may vary depending upon total assets in the Fund or other factors.

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The Fund pays Shareholder Service Fees up to 0.25% of average net assets to Edward Jones for providing services to shareholders and maintaining shareholder accounts. Edward Jones provides shareholder services, transfer agent services and recordkeeping services to the Fund. During the Fund's last fiscal year, Edward Jones received approximately $5.62 million in net total fees (approximately 22.84% of total Fund expenses) for its services and approximately an additional $4.46 million in supplemental payments for the Distributor or its affiliate (see "Additional Payments to Edward Jones" below). Edward Jones would have received approximately $36.00 in total fees and payments with respect to a shareholder maintaining an investment of $10,000 in Investment Shares during the Fund's last fiscal year.

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ADDITIONAL PAYMENTS TO EDWARD JONES

The Distributor may make payments out of its own resources (including items of material value) to Edward Jones to support the sale of shares or for services provided to the funds distributed by the Distributor and their respective shareholders. The amount of these payments could be significant. These payments are negotiated and may be based on such factors as the number or value of shares that Edward Jones sells or may sell, the value of client assets invested, or the type and nature of support furnished by Edward Jones. These payments are in addition to payments made by the Fund, or other funds distributed by the Distributor, to Edward Jones under a Services Fee or other services arrangement. In some cases, such payments may be made by or funded from the resources of companies affiliated with the Distributor. Such payments are not reflected in the fees and expenses listed in the fee table section of the prospectuses of the Fund or the other funds distributed by the Distributor because they are not paid by the Fund or such other funds. During the Fund's last fiscal year, Edward Jones received approximately $4.46 million in such payments. Prior to July 31, 2008, Edward Jones received these payments with respect to the Fund as well as other funds. As of July 31, 2008, Edward Jones will no longer receive these payments with respect to the Fund. The income received by Edward Jones with respect to the Fund and other funds distributed by the Distributor may create an incentive for Edward Jones or its employees or associated persons to recommend or sell Shares of the Fund or such other funds to you. More information regarding payments to financial intermediaries (such as Edward Jones) can be found in the Statement of Additional Information.

ADVISORY FEES

The Fund's investment advisory contract provides for payment to the Adviser of an annual investment advisory fee of 0.50% of the Fund's average daily net assets. The Adviser may voluntarily waive a portion of its fee or reimburse the Fund for certain operating expenses.

A discussion of the Board's review of the Fund's investment advisory contract is available in the Fund's Annual Report dated March 31, 2008.

Legal Proceedings

FEDERATED

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Since October 2003, Federated and related entities (collectively, "Federated"), and various Federated funds ("Funds"), have been named as defendants in several class action lawsuits now pending in the United States District Court for the District of Maryland. The lawsuits were purportedly filed on behalf of people who purchased, owned and/or redeemed shares of Federated-sponsored mutual funds during specified periods beginning November 1, 1998. The suits are generally similar in alleging that Federated engaged in illegal and improper trading practices including market timing and late trading in concert with certain institutional traders, which allegedly caused financial injury to the mutual fund shareholders. These lawsuits began to be filed shortly after Federated's first public announcement that it had received requests for information on shareholder trading activities in the Funds from the SEC, the Office of the New York State Attorney General ("NYAG"), and other authorities. In that regard, on November 28, 2005, Federated announced that it had reached final settlements with the SEC and the NYAG with respect to those matters. Specifically, the SEC and NYAG settled proceedings against three Federated subsidiaries involving undisclosed market timing arrangements and late trading. The SEC made findings: that Federated Investment Management Company ("FIMC"), an SEC-registered investment adviser to various Funds, and Federated Securities Corp., an SEC-registered broker-dealer and distributor for the Funds, violated provisions of the Investment Advisers Act and Investment Company Act by approving, but not disclosing, three market timing arrangements, or the associated conflict of interest between FIMC and the funds involved in the arrangements, either to other fund shareholders or to the funds' board; and that Federated Shareholder Services Company, formerly an SEC-registered transfer agent, failed to prevent a customer and a Federated employee from late trading in violation of provisions of the Investment Company Act. The NYAG found that such conduct violated provisions of New York State law. Federated entered into the settlements without admitting or denying the regulators' findings. As Federated previously reported in 2004, it has already paid approximately $8.0 million to certain funds as determined by an independent consultant. As part of these settlements, Federated agreed to pay disgorgement and a civil money penalty in the aggregate amount of an additional $72 million and, among other things, agreed tha t it would not serve as investment adviser to any registered investment company unless: (i) at least 75% of the fund's directors are independent of Federated; (ii) the chairman of each such fund is independent of Federated; (iii) no action may be taken by the fund's board or any committee thereof unless approved by a majority of the independent trustees of the fund or committee, respectively; and (iv) the fund appoints a "senior officer" who reports to the independent trustees and is responsible for monitoring compliance by the fund with applicable laws and fiduciary duties and for managing the process by which management fees charged to a fund are approved. The settlements are described in Federated's announcement which, along with previous press releases and related communications on those matters, is a vailable in the "About Us" section of Federated's website at FederatedInvestors.com.

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Federated entities have also been named as defendants in several additional lawsuits that are now pending in the United States District Court for the Western District of Pennsylvania, alleging, among other things, excessive advisory and Rule 12b-1 fees.

The Board of the Funds retained the law firm of Dickstein Shapiro LLP to represent the Funds in each of the lawsuits described in the preceding two paragraphs. Federated a nd the Funds, and their respective counsel, have been defending this litigation, and none of the Funds remains a defendant in any of the lawsuits (though some could potentially receive any recoveries as nominal defendants). Additional lawsuits based upon similar allegations may be filed in the future. The potential impact of these lawsuits, all of which seek unquantified damages, attorneys' fees, and expenses, and future potential similar suits is uncertain. Although we do not believe that these lawsuits will have a material adverse effect on the Funds, there can be no assurance that these suits, ongoing adverse publicity and/or other developments resulting from the regulatory investigations will not result in increased Fund redemptions, reduced sales of Fund shares, or other adverse consequences for the Funds.

EDWARD JONES

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In the normal course of business, Edward Jones is named, from time to time, as a defendant in various legal actions, including arbitrations, class actions and other litigation. Certain of these legal actions include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages. Edward Jones is involved, from time to time, in investigations and proceedings by governmental and self-regulatory agencies, certain of which may result in adverse judgments, fines, or penalties.

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The potential impact of these legal proceedings is uncertain. As of the date of this prospectus, Edward Jones does not believe that any current or anticipated legal proceedings will have a material adverse impact on Edward Jones or the Fund. However, there can be no assurance that these suits, the ongoing adverse publicity and/or other developments resulting from the regulatory investigations will not result in increased Fund redemptions, reduced sales of Fund shares, or other adverse consequences for the Fund.

Financial Information

FINANCIAL HIGHLIGHTS

The Financial Highlights will help you understand the Fund's financial performance for its past five fiscal years. Some of the information is presented on a per Share basis. Total returns represent the rate an investor would have earned (or lost) on an investment in the Fund, assuming reinvestment of any dividends and capital gains.

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This information has been audited by Ernst & Young LLP, an independent registered public accounting firm, whose report, along with the Fund's audited financial statements, is included in the Annual Report.

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Financial Highlights

(For a Share Outstanding Throughout Each Period)

Year Ended March 31	2008		2007		2006		2005		2004
Net Asset Value, Beginning of Period	$1.00		$1.00		$1.00		$1.00		$1.00
Income From Investment Operations:
Net investment income	0.028		0.029		0.020		0.008		0.004
Net realized gain on investments	0.000	1	0.000	1	--		--		--
TOTAL FROM INVESTMENT OPERATIONS	0.028		0.029		0.020		0.008		0.004
Less Distributions:
Distributions from net investment income	(0.028	)	(0.029	)	(0.020	)	(0.008	)	(0.004	)
Distributions from net realized gain on investments	(0.000	) 1	(0.000	) 1	--		--		--
TOTAL DISTRIBUTIONS	(0.028	)	(0.029	)	(0.020	)	(0.008	)	(0.004	)
Net Asset Value, End of Period	$1.00		$1.00		$1.00		$1.00		$1.00
Total Return 2	2.81	%	2.89	%	2.04	%	0.75	%	0.39	%
Ratios to Average Net Assets:
Net expenses	0.75	%	0.76	%	0.75	%	0.75	%	0.75	%
Net investment income	2.76	%	2.86	%	2.03	%	0.76	%	0.39	%
Expense waiver/reimbursement 3	0.06	%	0.06	%	0.14	%	0.17	%	0.16	%
Supplemental Data:
Net assets, end of period (000 omitted)	$3,151,612		$2,670,031		$2,521,430		$2,511,672		$2,461,922

1 Represents less than $0.001.

2 Based on net asset value.

3 This expense decrease is reflected in both the net expense and the net investment income ratios shown above.

Further information about the Fund's performance is contained in the Fund's Annual Report dated March 31, 2008, which can be obtained free of charge.

Appendix A: Hypothetical Investment and Expense Information

The following chart provides additional hypothetical information about the effect of the Fund's expenses, including investment advisory fees and other Fund costs, on the Fund's assumed returns over a 10-year period. The chart shows the estimated expenses that would be incurred in respect of a hypothetical investment of $10,000, assuming a 5% return each year, and no redemption of Shares. The chart also assumes that the Fund's annual expense ratio stays the same throughout the 10-year period and that all dividends and distributions are reinvested. The annual expense ratio used in the chart is the same as stated in the "Fees and Expenses" table of this prospectus (and thus may not reflect any fee waiver or expense reimbursement currently in effect). The maximum amount of any sales charge that might be imposed on the purchase of Shares (and deducted from the hypothetical initial investment of $10,000; the "Front-End Sales Charge") is reflected in the "Hypothetical Expenses" column. The hypothetical investment information does not reflect the effect of charges (if any) normally applicable to redemptions of Shares (e.g., deferred sales charges, redemption fees). Mutual fund returns, as well as fees and expenses, may fluctuate over time, and your actual investment returns and total expenses may be higher or lower than those shown below.

TAX-FREE INSTRUMENTS TRUST: INVESTMENT SHARES
ANNUAL EXPENSE RATIO: 0.91%
MAXIMUM FRONT-END SALES CHARGE: NONE

Year	Hypothetical Beginning Investment	Hypothetical Performance Earnings	Investment After Returns	Hypothetical Expenses	Hypothetical Ending Investment
1	$10,000.00	$ 500.00	$10,500.00	$ 92.86	$10,409.00
2	$10,409.00	$ 520.45	$10,929.45	$ 96.66	$10,834.73
3	$10,834.73	$ 541.74	$11,376.47	$ 100.61	$11,277.87
4	$11,277.87	$ 563.89	$11,841.76	$ 104.73	$11,739.13
5	$11,739.13	$ 586.96	$12,326.09	$ 109.01	$12,219.26
6	$12,219.26	$ 610.96	$12,830.22	$ 113.47	$12,719.03
7	$12,719.03	$ 635.95	$13,354.98	$ 118.11	$13,239.24
8	$13,239.24	$ 661.96	$13,901.20	$ 122.94	$13,780.72
9	$13,780.72	$ 689.04	$14,469.76	$ 127.97	$14,344.35
10	$14,344.35	$ 717.22	$15,061.57	$ 133.20	$14,931.03
Cumulative		$6,028.17		$1,119.56

A Statement of Additional Information (SAI) dated July 31, 2008, is incorporated by reference into this prospectus. Additional information about the Fund and its investments is contained in the Fund's SAI and Annual and Semi-Annual Reports to shareholders as they become available. The SAI contains a description of the Fund's policies and procedures with respect to the disclosure of its portfolio securities. To obtain the SAI, Annual Report, Semi-Annual Report and other information without charge, and to make inquiries, call your financial intermediary or the Fund at 1-800-341-7400.

These documents, as well as additional information about the Fund (including portfolio holdings, performance and distributions), are also available on Federated's website at FederatedInvestors.com.

You can obtain information about the Fund (including the SAI) by writing to or visiting the SEC's Public Reference Room in Washington, DC. You may also access Fund information from the EDGAR Database on the SEC's website at www.sec.gov. You can purchase copies of this information by contacting the SEC by email at publicinfo@sec.gov or by writing to the SEC's Public Reference Section, Washington, DC 20549-0102. Call 1-202-942-8090 for information on the Public Reference Room's operations and copying fees.

Investment Company Act File No. 811-5950

Federated
World-Class Investment Manager

Tax-Free Instruments Trust
Federated Investors Funds
5800 Corporate Drive
Pittsburgh, PA 15237-7000
Contact us at FederatedInvestors.com
or call 1-800-341-7400.

Federated Securities Corp., Distributor

Cusip 60934N195

8062810A-IV (7/08)

Federated is a registered mark of Federated Investors, Inc. 2008 (c)Federated Investors, Inc.

Federated
World-Class Investment Manager

Tax-Free Instruments Trust

A Portfolio of Money Market Obligations Trust

PROSPECTUS

July 31, 2008

INSTITUTIONAL SERVICE SHARES

A money market mutual fund seeking current income exempt from federal income tax consistent with stability of principal by investing in a portfolio of short-term, high-quality, tax-exempt securities.

As with all mutual funds, the Securities and Exchange Commission (SEC) has not approved or disapproved these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is a criminal offense.

Not FDIC Insured * May Lose Value * No Bank Guarantee

TABLE OF CONTENTS

Risk/Return Summary 1

What are the Fund's Fees and Expenses? 3

What are the Fund's Investment Strategies? 4

What are the Principal Securities in Which the Fund Invests? 5

What are the Specific Risks of Investing in the Fund? 8

What Do Shares Cost? 10

How is the Fund Sold? 11

Payments to Financial Intermediaries 12

How to Purchase Shares 13

How to Redeem and Exchange Shares 16

Account and Share Information 19

Who Manages the Fund? 22

Legal Proceedings 25

Financial Information 27

Appendix A: Hypothetical Investment and Expense Information 29

Risk/Return Summary

WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

The Fund is a money market fund that seeks to maintain a stable net asset value (NAV) of $1.00 per Share. The Fund's investment objective is current income exempt from federal income tax consistent with stability of principal. While there is no assurance that the Fund will achieve its investment objective, it endeavors to do so by following the strategies and policies described in this prospectus.

WHAT ARE THE FUND'S MAIN INVESTMENT STRATEGIES?

The Fund invests in a portfolio of short-term, high-quality, tax-exempt securities. At least 80% of the annual interest income that the Fund distributes will be exempt from federal income tax, including the alternative minimum tax for individuals and corporations (AMT). The Fund will have a dollar-weighted average portfolio maturity of 90 days or less.

WHAT ARE THE MAIN RISKS OF INVESTING IN THE FUND?

All mutual funds take investment risks. Therefore, even though the Fund is a money market fund that seeks to maintain a stable NAV, it is possible to lose money by investing in the Fund.

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The Shares offered by this prospectus are not deposits or obligations of any bank, are not endorsed or guaranteed by any bank and are not insured or guaranteed by the U.S. government, the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency.

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Risk/Return Bar Chart and Table

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Historically, the Fund has maintained a constant $1.00 net asset value per Share. The bar chart shows the variability of the Fund's Institutional Service Shares total returns on a calendar year-end basis.

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The Fund's Institutional Service Shares are sold without a sales charge (load). The total returns displayed above are based upon net asset value.

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The Fund's Institutional Service Shares total return for the six-month period from January 1, 2008 to June 30, 2008 was 1.02%.

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Within the period shown in the bar chart, the Fund's Institutional Service Shares highest quarterly return was 0.97% (quarter ended December 31, 2000). Its lowest quarterly return was 0.11% (quarter ended September 30, 2003).

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Average Annual Total Return Table

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The following table represents the Fund's Institutional Service Shares Average Annual Total Returns for the calendar periods ended December 31, 2007.

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<R>Calendar Period</R>	<R>Fund</R>
<R>1 Year</R>	3.14%
<R>5 Years</R>	<R>1.85%</R>
<R>10 Years</R>	2.24%

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The Fund's Institutional Service Shares 7-Day Net Yield as of December 31, 2006 was 2.87%. You may call the Fund at 1-800-341-7400 for the current 7-Day Net Yield.

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Past performance is no guarantee of future results. This information provides you with historical performance information so that you can analyze whether the Fund's investment risks are balanced by its potential returns.

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What are the Fund's Fees and Expenses?

TAX-FREE INSTRUMENTS TRUST

FEES AND EXPENSES

This table describes the fees and expenses that you may pay if you buy and hold Institutional Service Shares of the Fund.

Shareholder Fees
Fees Paid Directly From Your Investment
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	None
Maximum Deferred Sales Charge (Load) (as a percentage of original purchase price or redemption proceeds, as applicable)	None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends (and other Distributions) (as a percentage of offering price)	None
Redemption Fee (as a percentage of amount redeemed, if applicable)	None
Exchange Fee	None
Annual Fund Operating Expenses (Before Waiver and Reimbursement) 1
Expenses That are Deducted From Fund Assets (as a percentage of average net assets)
Management Fee 2	0.50%
Distribution (12b-1) Fee	None
Other Expenses 3	0.35%
Total Annual Fund Operating Expenses	0.85%
1 The percentages shown are based on expenses for the entire fiscal year ended March 31, 2008. However, the rate at which expenses are accrued during the fiscal year may not be constant and, at any particular point, may be greater or less than the stated average percentage. Although not contractually obligated to do so, the Adviser waived and the shareholder services provider reimbursed certain amounts. These are shown below along with the net expenses the Fund actually paid for the fiscal year ended March 31, 2008.
Total Waiver and Reimbursement of Fund Expenses	0.26%
Total Actual Annual Fund Operating Expenses (after waiver and reimbursement)	0.59%
2 The Adviser voluntarily waived a portion of the management fee. The Adviser can terminate this voluntary waiver at any time. The management fee paid by the Fund (after the voluntary waiver) was 0.44% for the fiscal year ended March 31, 2008.
3 Includes a shareholder services fee/account administration fee which is used to compensate intermediaries for shareholder services or account administrative services. Also includes a recordkeeping fee which is used to compensate intermediaries for recordkeeping services. Please see "Payments to Financial Intermediaries" herein. The shareholder services provider voluntarily reimbursed a portion of its fee. The shareholder services provider can terminate this voluntary reimbursement at any time. Total other expenses paid by the Fund's Institutional Service Shares (after the voluntary reimbursement) were 0.15% for the fiscal year ended March 31, 2008.

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EXAMPLE

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This Example is intended to help you compare the cost of investing in the Fund's Institutional Service Shares with the cost of investing in other mutual funds.

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The Example assumes that you invest $10,000 in the Fund's Institutional Service Shares for the time periods indicated and then redeem all of your Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's Institutional Service Shares operating expenses are before waiver and reimbursement as shown in the table and remain the same. Although your actual costs and returns may be higher or lower, based on these assumptions your costs would be:

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<R>1 Year</R>	<R>$</R>	<R>87</R>
<R>3 Years</R>	<R>$</R>	<R>271</R>
<R>5 Years</R>	<R>$</R>	<R>471</R>
<R>10 Years</R>	<R>$</R>	<R>1,049</R>

What are the Fund's Investment Strategies?

The Fund invests in a portfolio of high-quality, tax-exempt securities maturing in 397 days or less. At least 80% of the annual interest income that the Fund distributes will be exempt from federal income tax, including AMT. The Fund will have a dollar-weighted average portfolio maturity of 90 days or less. The Fund's investment adviser (Adviser) actively manages the Fund's portfolio, seeking to limit the credit risk taken by the Fund and to select investments with enhanced returns.

The Adviser performs a fundamental credit analysis to develop an approved list of issuers and securities that meet the Adviser's standards for minimal credit risk. The Adviser monitors the credit risks of all portfolio securities on an ongoing basis by reviewing periodic financial data and ratings of nationally recognized statistical rating organizations (NRSROs).

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The Adviser targets a dollar-weighted average portfolio maturity range based upon its interest rate outlook and the tax-exempt securities available. The Adviser formulates its interest rate outlook by analyzing a variety of factors, such as (among others) current and expected U.S. economic growth; current and expected interest rates and inflation; and the Federal Reserve Board's monetary policy. The Adviser structures the portfolio by investing in variable rate demand instruments and municipal notes as well as other permissible investments as described in this prospectus and in the Fund's Statement of Additional Information (SAI). The Adviser generally shortens the portfolio's maturity when it expects interest rates to rise and extends the maturity when it expects interest rates to fall. This strategy seeks to enhance the returns from favorable interest rate changes and reduce the effect of unfavorable changes.

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Under normal conditions, so long as the Fund's name includes the words "tax-free," the Fund will invest its assets so that at least 80% of the income that it distributes will be exempt from federal income tax. This policy may not be changed without shareholder approval.

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TEMPORARY INVESTMENTS

The Fund may temporarily depart from its principal investment strategies by investing its assets in taxable securities or holding cash. It may do this in response to unusual circumstances, such as: adverse market, economic, or other conditions (for example, to help avoid potential losses, or during periods when there is a shortage of appropriate tax-exempt securities); to maintain liquidity to meet shareholder redemptions; or to accommodate cash inflows. It is possible that such temporary investments could affect the Fund's investment returns. If the Fund invests in taxable securities, it may receive and distribute taxable income to investors and, to that extent, fail to meet its investment objectives.

What are the Principal Securities in Which the Fund Invests?

TAX-EXEMPT SECURITIES

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Tax-exempt securities are fixed-income securities that, in the opinion of bond counsel to the issuer or on the basis of another authority believed by the Adviser to be reliable, pay interest that is not subject to federal regular income taxes. Fixed-income securities pay interest, dividends and distributions at a specified rate. The rate may be a fixed percentage of the principal or adjusted periodically. In addition, the issuer of a fixed-income security must repay the principal amount of the security, normally within a specified time. Certain of these tax-exempt securities may be subject to credit enhancement.

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Typically, states, counties, cities and other political subdivisions and authorities issue tax-exempt securities. The market categorizes tax-exempt securities by their source of repayment.

Variable Rate Demand Instruments

Variable rate demand instruments are tax-exempt securities that require the issuer or a third party, such as a dealer or bank, to repurchase the security for its face value upon demand. The securities also pay interest at a variable rate intended to cause the securities to trade at their face value. The Fund treats variable rate demand instruments as short-term securities even though their maturity may extend beyond 397 days because, within 397 days, their variable interest rate adjusts in response to changes in market rates and the repayment of their principal amount can be demanded. Certain variable rate demand instruments invested in by the Fund, referred to as "synthetic variable rate demand instruments," have certain features, such as call features, that make it possible that the Fund will realize capital gains.

Municipal Notes

Municipal notes are short-term, tax-exempt securities. Many municipalities issue such notes to fund their current operations before collecting taxes or other municipal revenues. Municipalities may also issue notes to fund capital projects prior to issuing long-term bonds. The issuers typically repay the notes at the end of their fiscal year, either with taxes, other revenues or proceeds from newly issued notes or bonds.

General Obligation Bonds

General obligation bonds are supported by the issuer's power to exact property or other taxes. The issuer must impose and collect taxes sufficient to pay principal and interest on the bonds. However, the issuer's authority to impose additional taxes may be limited by its charter or state law.

Special Revenue Bonds

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Special revenue bonds are payable solely from specific revenues received by the issuer such as specific taxes, assessments, tolls or fees. Bondholders may not collect from the municipality's general taxes or revenues. For example, a municipality may issue bonds to build a toll road, and pledge the tolls to repay the bonds. Therefore, a shortfall in the tolls normally would result in a default on the bonds.

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Private Activity Bonds

Private activity bonds are special revenue bonds used to finance private entities. A certain percentage of the proceeds from a private activity bond is used for a private business use or a certain percentage of the debt service regarding a private activity bond is paid directly or indirectly from a private business use. A private business use is a trade or business carried on by any person or entity other than a governmental unit. Private activity bonds are secured primarily by revenues derived from loan repayments or lease payments due from the private entity, which may or may not be guaranteed by a parent company or otherwise secured. Private activity bonds generally are not secured by a pledge of the taxing power of the issuer of such bonds. For example, a municipality may issue bonds to finance a new factory to improve its local economy. The municipality would lend the proceeds from its bonds to the company using the factory, and the company would agree to make loan payments sufficient to repay the bonds. The bonds would be payable from the company's loan payments, and generally not from any other revenues of the municipality. Therefore, any default of the loan normally would result in a default on the bonds.

Types of private activity bonds include, for example: bonds issued to obtain funds to provide water, sewage and solid waste facilities, qualified residential rental projects, certain local electric, gas and other heating and cooling facilities, qualified hazardous waste facilities, high speed intercity rail facilities, certain airports, docks, wharves and mass transportation facilities, and qualified mortgages; qualified student loan bonds; qualified redevelopment bonds, and bonds used for certain organizations exempt from Federal income taxation (qualified 501(c)(3) bonds).

The interest on many types of private activity bonds is subject to AMT. However, issues are available in the marketplace that are not subject to AMT due to qualifying tax rules.

CREDIT ENHANCEMENT

The Fund may invest in tax-exempt securities with credit enhancement. Credit enhancement consists of an arrangement in which a company agrees to pay amounts due on a fixed-income security if the issuer defaults. In some cases the company providing credit enhancement makes all payments directly to the security holders and receives reimbursement from the issuer. Normally, the credit enhancer has greater financial resources and liquidity than the issuer. For this reason, the Adviser usually evaluates the credit risk of a fixed-income security based solely upon its credit enhancement.

Common types of credit enhancement include guarantees, letters of credit, bond insurance and surety bonds. Credit enhancement also includes arrangements where securities or other liquid assets secure payment of a fixed-income security. If a default occurs, these assets may be sold and the proceeds paid to the security's holders. Either form of credit enhancement reduces credit risks by providing another source of payment for a fixed-income security.

TAX-EXEMPT COMMERCIAL PAPER

Tax-exempt commercial paper is a tax-exempt issuer's obligation with a maturity of less than nine months. Tax-exempt issuers may issue commercial paper to pay for current expenditures or other permissible activities. Tax-exempt issuers may constantly reissue their commercial paper and use the proceeds (or other sources) to repay maturing paper. If the tax-exempt issuer cannot continue to obtain liquidity in this fashion, its commercial paper may default.

INVESTMENT RATINGS

The securities in which the Fund invests must be rated in one of the two highest short-term rating categories by one or more NRSROs or be deemed by the Adviser to be of comparable quality to securities having such ratings.

What are the Specific Risks of Investing in the Fund?

CREDIT RISKS

Credit risk is the possibility that an issuer will default on a security by failing to pay interest or principal when due. If an issuer defaults, the Fund will lose money. Money market funds try to minimize this risk by purchasing higher quality securities.

Many fixed-income securities (including tax-exempt securities) receive credit ratings from NRSROs such as Standard & Poor's and Moody's Investors Service. These NRSROs assign ratings to securities by assessing the likelihood of issuer default. Lower credit ratings correspond to higher perceived credit risk and higher credit ratings correspond to lower perceived credit risk. Credit ratings do not provide assurance against default or other loss of money. If a security has not received a rating, the Fund must rely entirely upon the Adviser's credit assessment.

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Fixed-income securities generally compensate for greater credit risk by paying interest at a higher rate. The difference between the yield of a security and the yield of a U.S. Treasury security or other appropriate index with a comparable maturity (the spread) measures the additional interest paid for risk. Spreads may increase generally in response to adverse economic or market conditions. A security's spread may also increase if the security's rating is lowered, or the security is perceived to have an increased credit risk. An increase in the spread will cause the price of the security to decline.

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Credit risk includes the possibility that a party to a transaction involving the Fund will fail to meet its obligations. This could cause the Fund to lose the benefit of the transaction or prevent the Fund from selling or buying other securities to implement its investment strategy.

INTEREST RATE RISKS

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Prices of fixed-income securities (including tax-exempt securities) rise and fall in response to changes in the interest rate paid by similar securities. Generally, when interest rates rise, prices of fixed-income securities fall. However, market factors, such as the demand for particular fixed-income securities, may cause the price of certain fixed-income securities to fall while the prices of other securities rise or remain unchanged.

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Interest rate changes have a greater effect on the price of fixed-income securities with longer durations. Duration measures the price sensitivity of a fixed-income security to changes in interest rates. Money market funds try to minimize this risk by purchasing short-term securities. Certain of the Fund's investments may be valued, in part, by reference to the relative relationship between interest rates on tax-exempt securities and taxable securities, respectively. When the market for tax-exempt securities underperforms (or outperforms) the market for taxable securities, the value of these investments may be negatively affected (or positively affected).

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CREDIT ENHANCEMENT RISK

The securities in which the Fund invests may be subject to credit enhancement (for example, guarantees, letters of credit or bond insurance). Credit enhancement is designed to assure timely payment of the security; it does not protect the Fund against losses caused by declines in a security's value due to changes in market conditions. Securities subject to credit enhancement generally would be assigned a lower credit rating if the rating were based primarily on the credit quality of the issuer without regard to the credit enhancement. If the credit quality of the credit enhancement provider (for example, a bank or bond insurer) is downgraded, the rating on a security credit enhanced by such credit enhancement provider also may be downgraded.

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A single bank, bond insurer or other enhancement provider may provide credit enhancement to more than one of the Fund's investments. Having multiple securities credit enhanced by the same enhancement provider will increase the adverse effects on the Fund that are likely to result from a downgrading of, or a default by, such an enhancement provider. Adverse developments in the banking or bond insurance industries also may negatively affect the Fund, as the Fund may invest its assets in securities credit enhanced by banks or by bond insurers without limit. Bond insurers that provide credit enhancement for large segments of the fixed-income markets, including the municipal bond market, may be more susceptible to being downgraded or defaulting during recessions or similar periods of economic stress.

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SECTOR RISKS

A substantial part of the Fund's portfolio may be comprised of securities credit enhanced by banks or companies in similar businesses, or with similar characteristics. As a result, the Fund will be more susceptible to any economic, business, political or other developments which generally affect these entities. Developments affecting banks or companies with similar characteristics might include changes in interest rates, changes in economic cycle affecting credit losses and regulatory changes.

TAX RISKS

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In order to pay interest that is exempt from federal regular income tax, tax-exempt securities must meet certain legal requirements. Failure to meet such requirements may cause the interest received and distributed by the Fund to shareholders to be taxable. Changes or proposed changes in federal tax laws may cause the prices of tax-exempt securities to fall and/or may effect the tax-exempt status of the securities in which the Fund invests.

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CALL RISKS

Call risk is the possibility that an issuer may redeem a fixed-income security before maturity (a call) at a price above or below its current market price. An increase in the likelihood of a call may reduce the security's price.

If a fixed-income security is called, the Fund may have to reinvest the proceeds in other fixed-income securities with lower interest rates, higher credit risks, or other less favorable characteristics.

RISKS ASSOCIATED WITH INVESTING SHARE PURCHASE PROCEEDS

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On days during which there are net purchases of Fund Shares, the Fund must invest the proceeds at prevailing market yields. If the yield of the securities purchased is less than that of the securities already in the portfolio, the Fund's yield will likely decrease. Conversely, net purchases on days on which short-term yields rise will cause the Fund's yield to increase. The larger the amount that must be invested or the greater the difference between the yield of the securities purchased and the yield of the existing investments, the greater the impact will be on the yield of the Fund. In the event of significant changes in short-term yields or significant net purchases, the Fund retains the discretion to close to new investments. However, the Fund is not required to close, and no assurance can be given that this will be done in any given circumstance.

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What Do Shares Cost?

The Fund attempts to stabilize the NAV of its Shares at $1.00 by valuing the portfolio securities using the amortized cost method. The Fund cannot guarantee that its NAV will always remain at $1.00 per Share. The Fund does not charge a front-end sales charge.

You can purchase, redeem or exchange Shares any day the New York Stock Exchange (NYSE) is open (a Regular Business Day). You may also be able to purchase and redeem (but not exchange) Shares on certain days that the NYSE is closed on an unscheduled basis due to unforeseen or emergency circumstances, if the Fund's Board determines to allow Fund Share transactions on such days (a Special Trading Day). If the Fund declares a Special Trading Day, information regarding shareholder trading activities for the Special Trading Day (such as when NAV, and entitlement to that day's dividend, will be determined) will be available by calling the Fund at 1-800-341-7400 and will be posted on Federated's website at FederatedInvestors.com. The information set forth in this prospectus regarding times relevant to NAV determination and dividend entitlement applies only to Regular Business Days. Please note that the times that might be specified for NAV determination and dividend entitlement on a Special Trading Day would not necessarily be the same as set forth in this prospectus with respect to Regular Business Days. Although Federated will attempt to make such information available in advance of a particular Special Trading Day, given the nature of Special Trading Days, it may not be able to do so until the morning of the Special Trading Day.

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When the Fund receives your transaction request in proper form (as described in this prospectus), it is processed at the next determined NAV. NAV is determined at 2:00 p.m. (Eastern time) and as of the end of regular trading on the NYSE (normally 4:00 p.m. Eastern time), each day the NYSE is open. The times as of when NAV is determined, and when orders must be placed, may be changed as permitted by the SEC.

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How is the Fund Sold?

The Fund offers two Share classes: Investment Shares and Institutional Service Shares, each representing interests in a single portfolio of securities. This prospectus relates only to Institutional Service Shares. All Share classes have different expenses which affect their performance. Contact your financial intermediary or call 1-800-341-7400 for more information concerning the other class.

The Fund's Distributor, Federated Securities Corp., markets the Shares described in this prospectus to institutions and fiduciaries or to individuals, directly or through financial intermediaries. The Fund may not be a suitable investment for retirement plans. Under the Distributor's Contract with the Fund, the Distributor offers Shares on a continuous, best-efforts basis. The Distributor is a subsidiary of Federated Investors, Inc. (Federated).

Payments to Financial Intermediaries

The Fund and its affiliated service providers may pay fees as described below to financial intermediaries (such as broker-dealers, banks, investment advisers or third-party administrators) whose customers are shareholders of the Fund.

SERVICE FEES

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The Fund may pay Service Fees of up to 0.25% of average net assets to financial intermediaries or to Federated Shareholder Services Company (FSSC), a subsidiary of Federated, for providing services to shareholders and maintaining shareholder accounts. Intermediaries that receive Service Fees may include a company affiliated with management of Federated. As discussed under "Who Manages the Fund?" below, the limited partner of the Fund's Adviser also receives service fees as a financial intermediary. If a financial intermediary receives Service Fees on an account, it is not eligible to also receive Account Administration Fees on that same account.

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ACCOUNT ADMINISTRATION FEES

The Fund may pay Account Administration Fees of up to 0.25% of average net assets to banks that are not registered as broker-dealers or investment advisers for providing administrative services to the Funds and shareholders. If a financial intermediary receives Account Administration Fees on an account, it is not eligible to also receive Service Fees or Recordkeeping Fees on that same account.

RECORDKEEPING FEES

The Fund may pay Recordkeeping Fees on an average net assets basis or on a per account per year basis to financial intermediaries for providing recordkeeping services to the Funds and shareholders. If a financial intermediary receives Recordkeeping Fees on an account, it is not eligible to also receive Account Administration Fees or Networking Fees on that same account.

NETWORKING FEES

The Fund may reimburse Networking Fees on a per account per year basis to financial intermediaries for providing administrative services to the Funds and shareholders on certain non-omnibus accounts. If a financial intermediary receives Networking Fees on an account, it is not eligible to also receive Recordkeeping Fees on that same account.

ADDITIONAL PAYMENTS TO FINANCIAL INTERMEDIARIES

The Distributor may pay out of its own resources amounts (including items of material value) to certain financial intermediaries that support the sale of Shares or provide services to Fund shareholders. The amounts of these payments could be significant, and may create an incentive for the financial intermediary or its employees or associated persons to recommend or sell Shares of the Fund to you. In some cases, such payments may be made by or funded from the resources of companies affiliated with the Distributor (including the Adviser). These payments are not reflected in the fees and expenses listed in the fee table section of the Fund's prospectus and described above because they are not paid by the Fund.

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These payments are negotiated and may be based on such factors as the number or value of Shares that the financial intermediary sells or may sell; the value of client assets invested; or the type and nature of services or support furnished by the financial intermediary. These payments may be in addition to payments of Service Fees and/or Account Administration Fees and/or Recordkeeping Fees and/or Networking Fees made by the Fund to the financial intermediary. In connection with these payments, the financial intermediary may elevate the prominence or profile of the Fund and/or other Federated funds within the financial intermediary's organization by, for example, placement on a list of preferred or recommended funds, and/or granting the Distributor preferential or enhanced opportunities to promote the funds in various ways within the financial intermediary's organization. You can ask your financial intermediary for information about any payments it receives from the Distributor or the Fund and any services provided.

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How to Purchase Shares

You may purchase Shares through a financial intermediary, directly from the Fund or through an exchange from another Federated fund. The Fund reserves the right to reject any request to purchase or exchange Shares. New investors must submit a completed New Account Form.

The required minimum initial investment for Fund Shares is $25,000. There is no required minimum subsequent investment amount.

An account may be opened with a smaller amount as long as the $25,000 minimum is reached within 90 days. An institutional investor's minimum investment is calculated by combining all accounts it maintains with the Fund. Financial intermediaries may impose higher or lower minimum investment requirements on their customers than those imposed by the Fund. Keep in mind that financial intermediaries may charge you fees for their services in connection with your Share transactions.

THROUGH A FINANCIAL INTERMEDIARY

Submit your purchase order to your financial intermediary. Financial intermediaries are responsible for promptly submitting purchase orders and payment to the Fund by electronic means permitted by the Fund, or according to the instructions in the sections "By Telephone" or "By Mail" below.

If your financial intermediary submits your order electronically, your order will be processed and you will be entitled to dividends pursuant to operating procedures established by the Fund. If your financial intermediary submits your order by telephone or by mail, your order will be processed and you will be entitled to dividends as outlined in the section "By Telephone" or the section "By Mail" below.

If you deal with a financial intermediary, you will have to follow the financial intermediary's procedures for transacting with the Fund. For more information about how to purchase Shares through your financial intermediary, you should contact your financial intermediary directly.

DIRECTLY FROM THE FUND

By Telephone

You may purchase Shares by calling the Fund at 1-800-341-7400.

Your purchase will be priced at the NAV next calculated after the Fund receives your order. Receipt of a purchase order by a financial intermediary will be deemed receipt by the Fund to the extent that such financial intermediary has been duly authorized by the Fund to accept such orders. If you call the Fund by 2:00 p.m. (Eastern time) and send your payment by wire by the close of the Federal Reserve wire transfer system, you will be entitled to that day's dividend.

Send your wire to:

State Street Bank and Trust Company
Boston, MA
Dollar Amount of Wire
ABA Number 011000028
Attention: EDGEWIRE
Wire Order Number, Dealer Number or Group Number
Nominee/Institution Name
Fund Name and Number and Account Number

If the Fund does not receive your purchase wire by the close of the Federal Reserve wire transfer system on the day you placed your order, your purchase will be canceled and you could be liable for any losses or fees incurred by the Fund or State Street Bank and Trust Company, the Fund's transfer agent.

You cannot purchase Shares by wire on days when wire transfers are restricted, even if the NYSE is open on such days (for example, Columbus Day and Veterans Day). The Fund does not consider wire purchase requests received on such days to be in proper form, and will not process such requests.

By Mail

You may purchase Shares by sending your check payable to The Federated Funds at the following address:

The Federated Funds
P.O. Box 8600
Boston, MA 02266-8600

If you send your check by a private courier or overnight delivery service that requires a street address, send it to:

The Federated Funds
30 Dan Road
Canton, MA 02021

Please note your account number on your check. Payment should be made in U.S. dollars and drawn on a U.S. bank. If your check does not clear, your purchase will be canceled and you could be liable for any losses or fees incurred by the Fund or State Street Bank and Trust Company, the Fund's transfer agent. The Fund reserves the right to reject any purchase request. For example, to protect against check fraud the Fund may reject any purchase request involving a check that is not made payable to The Federated Funds (including, but not limited to, requests to purchase Shares using third-party checks), or involving temporary checks or credit card checks.

Your order will be priced at the NAV next calculated after the Fund receives your check and you will be entitled to dividends beginning on the day the check is converted into federal funds (normally the business day after the check is received).

THROUGH AN EXCHANGE

You may purchase Shares through an exchange from any Federated fund or share class that does not have a stated sales charge or contingent deferred sales charge, except Liberty U.S. Government Money Market Trust and Class K Shares. You must meet the minimum initial investment requirement for purchasing Shares (if applicable) and both accounts must have identical registrations.

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BY SYSTEMATIC INVESTMENT PROGRAM (SIP)

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Once you have opened an account, you may automatically purchase additional Shares on a regular basis by completing the SIP section of the New Account Form or by contacting the Fund or your financial intermediary. The minimum investment amount for SIPs is $50.

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BY AUTOMATED CLEARING HOUSE (ACH)

Once you have opened an account, you may purchase additional Shares through a depository institution that is an ACH member. This purchase option can be established by completing the appropriate sections of the New Account Form.

How to Redeem and Exchange Shares

You should redeem or exchange Shares:

• through a financial intermediary if you purchased Shares through a financial intermediary; or
  
• directly from the Fund if you purchased Shares directly from the Fund.
  

THROUGH A FINANCIAL INTERMEDIARY

Submit your redemption or exchange request to your financial intermediary. Financial intermediaries are responsible for promptly submitting redemption or exchange requests to the Fund by electronic means permitted by the Fund, or according to the instructions in the sections "By Telephone" or "By Mail" below.

If your financial intermediary submits your redemption or exchange request electronically, your request will be processed and your proceeds will be paid pursuant to operating procedures established by the Fund. If your financial intermediary submits your redemption or exchange request by telephone or by mail, your request will be processed and your proceeds will be paid as outlined in the section "By Telephone" or the section "By Mail" below.

If you deal with a financial intermediary, you will have to follow the financial intermediary's procedures for transacting with the Fund. For more information about how to redeem or exchange Shares through your financial intermediary, you should contact your financial intermediary directly.

DIRECTLY FROM THE FUND

By Telephone

You may redeem or exchange Shares by calling the Fund at 1-800-341-7400. Your redemption or exchange request will be priced at the NAV next calculated after the request is received by the Fund. Receipt of a redemption or exchange order by a financial intermediary will be deemed receipt by the Fund to the extent that such financial intermediary has been duly authorized by the Fund to accept such orders.

If you call the Fund by 2:00 p.m. (Eastern time), and your redemption proceeds are wired to you the same day, you will not be entitled to that day's dividend.

If you call the Fund after 2:00 p.m. (Eastern time) and before the end of regular trading (normally 4:00 p.m. Eastern time) on the NYSE, you will be entitled to that day's dividend and your redemption proceeds will be sent to you the following business day.

By Mail

You may redeem or exchange Shares by mailing a written request to the Fund.

Your redemption or exchange request will be priced at the NAV next calculated after the Fund receives your written request in proper form. If your redemption proceeds are wired to you the same day your order is priced, you will not be entitled to that day's dividend. If a check for your redemption proceeds is mailed to you on the next business day after your request is priced, you will be entitled to dividends through the day on which the Fund priced your request.

Send requests by mail to:

The Federated Funds
P.O. Box 8600
Boston, MA 02266-8600

Send requests by private courier or overnight delivery service to:

The Federated Funds
30 Dan Road
Canton, MA 02021

All requests must include:

• Fund Name and Share Class, account number and account registration;
  
• amount to be redeemed or exchanged;
  
• signatures of all shareholders exactly as registered; and
  
• if exchanging, the Fund Name and Share Class, account number and account registration into which you are exchanging.
  

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Call your financial intermediary or the Fund if you need special instructions.

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Signature Guarantees

Signatures must be guaranteed by a financial institution which is a participant in a Medallion signature guarantee program if:

• your redemption will be sent to an address other than the address of record;
  
• your redemption will be sent to an address of record that was changed within the last 30 days;
  
• a redemption is payable to someone other than the shareholder(s) of record; or
  

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• exchanging (transferring) into another fund with a different shareholder registration.
  

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A Medallion signature guarantee is designed to protect your account from fraud. Obtain a Medallion signature guarantee from a bank or trust company, savings association, credit union or broker, dealer, or securities exchange member. A notary public cannot provide a signature guarantee.

PAYMENT METHODS FOR REDEMPTIONS

Your redemption proceeds will be mailed by check to your address of record. The following payment options are available if you complete the appropriate section of the New Account Form or an Account Service Options Form. These payment options require a signature guarantee if they were not established when the account was opened:

• an electronic transfer to your account at a financial institution that is an ACH member; or
  
• wire payment to your account at a domestic commercial bank that is a Federal Reserve System member.
  

Redemption in Kind

Although the Fund intends to pay Share redemptions in cash, it reserves the right to pay the redemption price in whole or in part by a distribution of the Fund's portfolio securities.

LIMITATIONS ON REDEMPTION PROCEEDS

Redemption proceeds normally are wired or mailed within one business day after receiving a request in proper form. Payment may be delayed for up to seven days:

• to allow your purchase to clear (as discussed below);
  
• during periods of market volatility;
  
• when a shareholder's trade activity or amount adversely impacts the Fund's ability to manage its assets; or
  
• during any period when the Federal Reserve wire or applicable Federal Reserve banks are closed, other than customary weekend and holiday closings.
  

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If you request a redemption of Shares recently purchased by check (including a cashier's check or certified check), money order, bank draft or ACH, your redemption proceeds may not be made available for up to seven calendar days to allow the Fund to collect payment on the instrument used to purchase such Shares. If the purchase instrument does not clear, your purchase order will be canceled and you will be responsible for any losses incurred by the Fund as a result of your canceled order.

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In addition, the right of redemption may be suspended, or the payment of proceeds may be delayed, during any period:

• when the NYSE is closed, other than customary weekend and holiday closings;
  
• when trading on the NYSE is restricted, as determined by the SEC; or
  
• in which an emergency exists, as determined by the SEC, so that disposal of the Fund's investments or determination of its NAV is not reasonably practicable.
  

You will not accrue interest or dividends on uncashed redemption checks from the Fund if those checks are undeliverable and returned to the Fund.

EXCHANGE PRIVILEGE

You may exchange Shares of the Fund for shares of any Federated fund or share class that does not have a stated sales charge or contingent deferred sales charge, except Liberty U.S. Government Money Market Trust and Class K Shares. To do this, you must:

• ensure that the account registrations are identical;
  
• meet any applicable minimum initial investment requirements; and
  
• receive a prospectus for the fund into which you wish to exchange.
  

An exchange is treated as a redemption and a subsequent purchase, and is a taxable transaction.

The Fund may modify or terminate the exchange privilege at any time.

SYSTEMATIC WITHDRAWAL/EXCHANGE PROGRAM

You may automatically redeem or exchange Shares in a minimum amount of $100 on a regular basis. Complete the appropriate section of the New Account Form or an Account Service Options Form or contact your financial intermediary or the Fund. Your account value must meet the minimum initial investment amount at the time the program is established. This program may reduce, and eventually deplete, your account. Payments should not be considered yield or income.

ADDITIONAL CONDITIONS

Telephone Transactions

The Fund will record your telephone instructions. If the Fund does not follow reasonable procedures, it may be liable for losses due to unauthorized or fraudulent telephone instructions.

SHARE CERTIFICATES

The Fund no longer issues share certificates. If you are redeeming or exchanging Shares represented by certificates previously issued by the Fund, you must return the certificates with your written redemption or exchange request. For your protection, send your certificates by registered or certified mail, but do not endorse them.

Account and Share Information

ACCOUNT ACTIVITY

You will receive periodic statements reporting all account activity, including systematic transactions, dividends and capital gains paid.

DIVIDENDS AND CAPITAL GAINS

The Fund declares any dividends daily and pays them monthly to shareholders.

The Fund does not seek to realize any capital gains or losses. However, the Fund may realize capital gains on certain securities, such as synthetic variable rate demand instruments that may be redeemed in certain circumstances at a premium to their face value. If capital gains or losses were to occur, they could result in an increase or decrease in dividends. The Fund pays any capital gains at least annually, and may make such special distributions of dividends and capital gains as may be necessary to meet applicable regulatory requirements. Your dividends and capital gains distributions will be automatically reinvested in additional Shares without a sales charge, unless you elect cash payments. Dividends may also be reinvested without sales charges in shares of any class of any other Federated fund of which you are already a shareholder.

If you have elected to receive dividends and/or capital gain distributions in cash, and your check is returned by the postal or other delivery service as "undeliverable," or you do not respond to mailings from Federated with regard to uncashed distribution checks, your distribution option will automatically be converted to having all dividends and capital gains reinvested in additional shares. No interest will accrue on amounts represented by uncashed distribution checks. See "Tax Information" below for information on the tax consequences of the Fund realizing a capital gain.

ACCOUNTS WITH LOW BALANCES

Due to the high cost of maintaining accounts with low balances, accounts may be closed if redemptions or exchanges cause the account balance to fall below $25,000. Before an account is closed, you will be notified and allowed at least 30 days to purchase additional Shares to meet the minimum.

TAX INFORMATION

The Fund sends an annual statement of your account activity to assist you in completing your federal, state and local tax returns. It is anticipated that Fund distributions will be primarily dividends that are exempt from federal income tax, although a portion of the Fund's dividends may not be exempt. Dividends may be subject to state and local taxes. Although the Fund does not seek to realize capital gains, the Fund may realize and distribute capital gains from time to time as a result of the Fund's normal investment activities. Distributions of net short-term capital gains are taxable to you as ordinary income. Distributions of net long-term capital gains are taxable to you as long-term capital gains regardless of how long you have owned your Shares. Capital gains and non-exempt dividends are taxable whether paid in cash or reinvested in the Fund. Redemptions and exchanges are taxable sales. Please consult your tax adviser regarding your federal, state and local tax liability.

FREQUENT TRADING POLICIES

Given the short-term nature of the Fund's investments and its use of the amortized cost method for calculating the NAV of Fund Shares, the Fund does not anticipate that in the normal case frequent or short-term trading into and out of the Fund will have significant adverse consequences for the Fund and its shareholders. For this reason and because the Fund is intended to be used as a liquid short-term investment, the Fund's Board has not adopted policies or procedures to monitor or discourage frequent or short-term trading of the Fund's Shares. Regardless of their frequency or short-term nature, purchases and redemptions of Fund Shares can have adverse effects on the management of the Fund's portfolio and its performance.

PORTFOLIO HOLDINGS INFORMATION

Information concerning the Fund's portfolio holdings is available in the "Products" section of Federated's website at FederatedInvestors.com . A complete listing of the Fund's portfolio holdings as of the end of each month is posted on the website 15 days (or the next business day) after the end of the month and remains posted until replaced by the information for the succeeding month. Summary portfolio composition information as of the close of each month (except for recent purchase and sale transaction information, which is updated quarterly) is posted on the website 15 days (or the next business day) after month-end and remains until replaced by the information for the succeeding month. The summary portfolio composition information may include identification of the Fund's top ten credit/obligor exposures and effective average maturity, and percentage breakdowns of the portfolio by effective maturity range, credit quality and portfolio composition.

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To access this information from the "Products" section of the website, click on the "Portfolio Holdings" link under "Related Information" and select the appropriate link opposite the name of the Fund, or select the name of the Fund, and from the Fund's page, click on the "Portfolio Holdings" or "Composition" link.

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You may also access portfolio information as of the end of the Fund's fiscal quarters from the "Products" section of the website. The Fund's annual and semi-annual reports, which contain complete listings of the Fund's portfolio holdings as of the end of the Fund's second and fourth fiscal quarters, may be accessed by selecting the "Prospectuses and Regulatory Reports" link under "Related Information" and selecting the link to the appropriate PDF. Complete listings of the Fund's portfolio holdings as of the end of the Fund's first and third fiscal quarters may be accessed by selecting "Portfolio Holdings" from the "Products" section and then selecting the appropriate link opposite the name of the Fund. Fiscal quarter information is made available on the website within 70 days after the end of the fiscal quarter. This information is also available in reports filed with the SEC at the SEC's website at www.sec.gov.

Who Manages the Fund?

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The Board of Trustees (the "Board") governs the Fund. The Fund is a portfolio of Money Market Obligations Trust (the "Trust"), a Massachusetts business trust. The Board selects and oversees the investment adviser to the Fund, Passport Research, Ltd. (the "Adviser"). On July 22, 2008, the shareholders of the Fund, upon recommendation by the Board, approved a new investment advisory contract between the Adviser and the Trust, on behalf of the Fund. This new investment advisory contract was entered into and became effective on July 31, 2008. Prior to July 31, 2008, the investment adviser to the Fund was Federated Investment Management Company (the "Former Adviser"). The Former Adviser is organized as a Delaware statutory trust and is a wholly owned subsidiary of Federated Investors, Inc. The Adviser is organized as a Pennsylvania limited partnership. The Adviser currently is, and on May 21, 1981, was formed to be, a joint venture between Federated and Edward D. Jones & Co., L.P. ("Edward Jones"), which would serve as the investment adviser for the Edward Jones Money Market Fund, which, as of February 28, 2008, had $21.2 billion in net assets. The Former Adviser is the general partner of the Adviser and owns a 50.5% general partner interest in the Adviser. Edward Jones is the limited partner of the Adviser and owns a 49.5% limited partner interest in the Adviser. Edward Jones is organized as a Missouri limited partnership. Edward Jones is a large broker-dealer and financial services firm with approximately 9,200 offices spread across all 50 states in the United States, and has affiliates with approximately 590 locations in Canada and 230 locations in the United Kingdom.

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The Adviser and other subsidiaries of Federated advise approximately 148 equity, fixed-income and money market mutual funds as well as a variety of customized separately managed accounts, which totaled approximately $302 billion in assets as of December 31, 2007. Federated was established in 1955 and is one of the largest investment managers in the United States with approximately 1,270 employees. Federated provides investment products to nearly 5,500 investment professionals and institutions.

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The Adviser manages the Fund's assets, including buying and selling portfolio securities. The management fees, shareholder services fees, administration fees, recordkeeping fees or other fees or expenses payable by the Fund, or its shareholders, did not change as a result of the new investment advisory contract with the Adviser. Since the Former Adviser is the general partner of the Adviser, it also is expected that the same personnel of the Former Adviser that were involved in managing the Fund prior to July 31, 2008 will continue under the Adviser to manage the Fund. The address of the Adviser is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, PA 15222-3779.

The partners in the Adviser allocate the expenses and revenues of the partnership according to a mutually agreed-upon formula, which is negotiated and may vary over time. Edward Jones, as the limited partner of the Adviser, is entitled to a significant portion of the partnership distributions made by the Adviser, which is derived from the advisory fee revenue received by the Adviser from the Fund. The relationship between the partners in the Adviser with respect to the Fund is similar to the relationship currently in place between the partners to the Adviser with respect to Edward Jones Money Market Fund which is another mutual fund managed by the Adviser. Last year, under that relationship, the general partner received partnership distributions representing approximately 13% of the Adviser's revenues, while the limited partner received partnership distributions representing approximately 87% of the Adviser's revenues. The partnership distribution allocation may vary depending upon total assets in the Fund or other factors.

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The Fund pays Shareholder Service Fees up to 0.25% of average net assets to Edward Jones for providing services to shareholders and maintaining shareholder accounts. Edward Jones provides shareholder services, transfer agent services and recordkeeping services to the Fund. During the Fund's last fiscal year, Edward Jones received approximately $5.62 million in net total fees (approximately 22.84% of total Fund expenses) for its services and approximately an additional $4.46 million in supplemental payments for the Distributor or its affiliate (see "Additional Payments to Edward Jones" below). Edward Jones would have received approximately $36.00 in total fees and payments with respect to a shareholder maintaining an investment of $10,000 in Investment Shares during the Fund's last fiscal year.

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ADDITIONAL PAYMENTS TO EDWARD JONES

The Distributor may make payments out of its own resources (including items of material value) to Edward Jones to support the sale of shares or for services provided to the funds distributed by the Distributor and their respective shareholders. The amount of these payments could be significant. These payments are negotiated and may be based on such factors as the number or value of shares that Edward Jones sells or may sell, the value of client assets invested, or the type and nature of support furnished by Edward Jones. These payments are in addition to payments made by the Fund, or other funds distributed by the Distributor, to Edward Jones under a Services Fee or other services arrangement. In some cases, such payments may be made by or funded from the resources of companies affiliated with the Distributor. Such payments are not reflected in the fees and expenses listed in the fee table section of the prospectuses of the Fund or the other funds distributed by the Distributor because they are not paid by the Fund or such other funds. During the Fund's last fiscal year, Edward Jones received approximately $4.46 million in such payments. Prior to July 31, 2008, Edward Jones received these payments with respect to the Fund as well as other funds. As of July 31, 2008, Edward Jones will no longer receive these payments with respect to the Fund. The income received by Edward Jones with respect to the Fund and other funds distributed by the Distributor may create an incentive for Edward Jones or its employees or associated persons to recommend or sell Shares of the Fund or such other funds to you. More information regarding payments to financial intermediaries (such as Edward Jones) can be found in the Statement of Additional Information.

ADVISORY FEES

The Fund's investment advisory contract provides for payment to the Adviser of an annual investment advisory fee of 0.50% of the Fund's average daily net assets. The Adviser may voluntarily waive a portion of its fee or reimburse the Fund for certain operating expenses.

A discussion of the Board's review of the Fund's investment advisory contract is available in the Fund's Annual Report dated March 31, 2008.

Legal Proceedings

FEDERATED

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Since October 2003, Federated and related entities (collectively, "Federated"), and various Federated funds ("Funds"), have been named as defendants in several class action lawsuits now pending in the United States District Court for the District of Maryland. The lawsuits were purportedly filed on behalf of people who purchased, owned and/or redeemed shares of Federated-sponsored mutual funds during specified periods beginning November 1, 1998. The suits are generally similar in alleging that Federated engaged in illegal and improper trading practices including market timing and late trading in concert with certain institutional traders, which allegedly caused financial injury to the mutual fund shareholders. These lawsuits began to be filed shortly after Federated's first public announcement that it had received requests for information on shareholder trading activities in the Funds from the SEC, the Office of the New York State Attorney General ("NYAG"), and other authorities. In that regard, on November 28, 2005, Federated announced that it had reached final settlements with the SEC and the NYAG with respect to those matters. Specifically, the SEC and NYAG settled proceedings against three Federated subsidiaries involving undisclosed market timing arrangements and late trading. The SEC made findings: that Federated Investment Management Company ("FIMC"), an SEC-registered investment adviser to various Funds, and Federated Securities Corp., an SEC-registered broker-dealer and distributor for the Funds, violated provisions of the Investment Advisers Act and Investment Company Act by approving, but not disclosing, three market timing arrangements, or the associated conflict of interest between FIMC and the funds involved in the arrangements, either to other fund shareholders or to the funds' board; and that Federated Shareholder Services Company, formerly an SEC-registered transfer agent, failed to prevent a customer and a Federated employee from late trading in violation of provisions of the Investment Company Act. The NYAG found that such conduct violated provisions of New York State law. Federated entered into the settlements without admitting or denying the regulators' findings. As Federated previously reported in 2004, it has already paid approximately $8.0 million to certain funds as determined by an independent consultant. As part of these settlements, Federated agreed to pay disgorgement and a civil money penalty in the aggregate amount of an additional $72 million and, among other things, agreed that it would not serve as investment adviser to any registered investment company unless: (i) at least 75% of the fund's directors are independent of Federated; (ii) the chairman of each such fund is independent of Federated; (iii) no action may be taken by the fund's board or any committee thereof unless approved by a majority of the independent trustees of the fund or committee, respectively; and (iv) the fund appoints a "senior officer" who reports to the independent trustees and is responsible for monitoring compliance by the fund with applicable laws and fiduciary duties and for managing the process by which management fees charged to a fund are approved. The settlements are described in Federated's announcement which, along with previous press releases and related communications on those matters, is available in the "About Us" section of Federated's website at FederatedInvestors.com .

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Federated entities have also been named as defendants in several additional lawsuits that are now pending in the United States District Court for the Western District of Pennsylvania, alleging, among other things, excessive advisory and Rule 12b-1 fees.

The Board of the Funds retained the law firm of Dickstein Shapiro LLP to represent the Funds in each of the lawsuits described in the preceding two paragraphs. Federated and the Funds, and their respective counsel, have been defending this litigation, and none of the Funds remains a defendant in any of the lawsuits (though some could potentially receive any recoveries as nominal defendants). Additional lawsuits based upon similar allegations may be filed in the future. The potential impact of these lawsuits, all of which seek unquantified damages, attorneys' fees, and expenses, and future potential similar suits is uncertain. Although we do not believe that these lawsuits will have a material adverse effect on the Funds, there can be no assurance that these suits, ongoing adverse publicity and/or other developments resulting from the regulatory investigations will not result in increased Fund redemptions, reduced sales of Fund shares, or other adverse consequences for the Funds.

EDWARD JONES

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In the normal course of business, Edward Jones is named, from time to time, as a defendant in various legal actions, including arbitrations, class actions and other litigation. Certain of these legal actions include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages. Edward Jones is involved, from time to time, in investigations and proceedings by governmental and self-regulatory agencies, certain of which may result in adverse judgments, fines or penalties.

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The potential impact of these legal proceedings is uncertain. As of the date of this prospectus, Edward Jones does not believe that any current or anticipated legal proceedings will have a material adverse impact on Edward Jones or the Fund. However, there can be no assurance that these suits, the ongoing adverse publicity and/or other developments resulting from the regulatory investigations will not result in increased Fund redemptions, reduced sales of Fund shares or other adverse consequences for the Fund.

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Financial Information

FINANCIAL HIGHLIGHTS

The Financial Highlights will help you understand the Fund's financial performance for its past five fiscal years. Some of the information is presented on a per Share basis. Total returns represent the rate an investor would have earned (or lost) on an investment in the Fund, assuming reinvestment of any dividends and capital gains.

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This information has been audited by Ernst & Young LLP, an independent registered public accounting firm, whose report, along with the Fund's audited financial statements, is included in the Annual Report.

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Financial Highlights

(For a Share Outstanding Throughout Each Period)

Year Ended March 31	2008		2007		2006		2005		2004
Net Asset Value, Beginning of Period	$1.00		$1.00		$1.00		$1.00		$1.00
Income From Investment Operations:
Net investment income	0.029		0.030		0.022		0.009		0.006
Net realized gain on investments	0.000	1	0.000	1	--		--		--
TOTAL FROM INVESTMENT OPERATIONS	0.029		0.030		0.022		0.009		0.006
Less Distributions:
Distributions from net investment income	(0.029	)	(0.030	)	(0.022	)	(0.009	)	(0.006	)
Distributions from net realized gain on investments	(0.000	) 1	(0.000	) 1	--		--		--
TOTAL DISTRIBUTIONS	(0.029	)	(0.030	)	(0.022	)	(0.009	)	(0.006	)
Net Asset Value, End of Period	$1.00		$1.00		$1.00		$1.00		$1.00
Total Return 2	2.96	%	3.06	%	2.21	%	0.92	%	0.56	%
Ratios to Average Net Assets:
Net expenses	0.59	%	0.59	%	0.59	%	0.59	%	0.59	%
Net investment income	2.86	%	3.01	%	2.21	%	0.92	%	0.55	%
Expense waiver/reimbursement 3	0.26	%	0.26	%	0.27	%	0.27	%	0.26	%
Supplemental Data:
Net assets, end of period (000 omitted)	$265,149		$222,721		$230,200		$220,681		$209,039

1 Represents less than $0.001.

2 Based on net asset value.

3 This expense decrease is reflected in both the net expense and the net investment income ratios shown above.

Further information about the Fund's performance is contained in the Fund's Annual Report dated March 31, 2008, which can be obtained free of charge.

Appendix A: Hypothetical Investment and Expense Information

The following chart provides additional hypothetical information about the effect of the Fund's expenses, including investment advisory fees and other Fund costs, on the Fund's assumed returns over a 10-year period. The chart shows the estimated expenses that would be incurred in respect of a hypothetical investment of $10,000, assuming a 5% return each year, and no redemption of Shares. The chart also assumes that the Fund's annual expense ratio stays the same throughout the 10-year period and that all dividends and distributions are reinvested. The annual expense ratio used in the chart is the same as stated in the "Fees and Expenses" table of this prospectus (and thus may not reflect any fee waiver or expense reimbursement currently in effect). The maximum amount of any sales charge that might be imposed on the purchase of Shares (and deducted from the hypothetical initial investment of $10,000; the "Front-End Sales Charge") is reflected in the "Hypothetical Expenses" column. The hypothetical investment information does not reflect the effect of charges (if any) normally applicable to redemptions of Shares (e.g., deferred sales charges, redemption fees). Mutual fund returns, as well as fees and expenses, may fluctuate over time, and your actual investment returns and total expenses may be higher or lower than those shown below.

TAX-FREE INSTRUMENTS TRUST - INSTITUTIONAL SERVICE SHARES
ANNUAL EXPENSE RATIO: 0.85%
MAXIMUM FRONT-END SALES CHARGE: NONE

Year	Hypothetical Beginning Investment	Hypothetical Performance Earnings	Investment After Returns	Hypothetical Expenses	Hypothetical Ending Investment
1	$10,000.00	$ 500.00	$10,500.00	$ 86.76	$10,415.00
2	$10,415.00	$ 520.75	$10,935.75	$ 90.36	$10,847.22
3	$10,847.22	$ 542.36	$11,389.58	$ 94.11	$11,297.38
4	$11,297.38	$ 564.87	$11,862.25	$ 98.02	$11,766.22
5	$11,766.22	$ 588.31	$12,354.53	$ 102.09	$12,254.52
6	$12,254.52	$ 612.73	$12,867.25	$ 106.32	$12,763.08
7	$12,763.08	$ 638.15	$13,401.23	$ 110.74	$13,292.75
8	$13,292.75	$ 664.64	$13,957.39	$ 115.33	$13,844.40
9	$13,844.40	$ 692.22	$14,536.62	$ 120.12	$14,418.94
10	$14,418.94	$ 720.95	$15,139.89	$ 125.10	$15,017.33
Cumulative		$6,044.98		$1,048.95

A Statement of Additional Information (SAI) dated July 31, 2008, is incorporated by reference into this prospectus. Additional information about the Fund and its investments is contained in the Fund's SAI and Annual and Semi-Annual Reports to shareholders as they become available. The SAI contains a description of the Fund's policies and procedures with respect to the disclosure of its portfolio securities. To obtain the SAI, Annual Report, Semi-Annual Report and other information without charge, and to make inquiries, call your financial intermediary or the Fund at 1-800-341-7400.

These documents, as well as additional information about the Fund (including portfolio holdings, performance and distributions), are also available on Federated's website at FederatedInvestors.com.

You can obtain information about the Fund (including the SAI) by writing to or visiting the SEC's Public Reference Room in Washington, DC. You may also access Fund information from the EDGAR Database on the SEC's website at www.sec.gov. You can purchase copies of this information by contacting the SEC by email at publicinfo@sec.gov or by writing to the SEC's Public Reference Section, Washington, DC 20549-0102. Call 1-202-942-8090 for information on the Public Reference Room's operations and copying fees.

Investment Company Act File No. 811-5950

Federated
World-Class Investment Manager

Tax-Free Instruments Trust
Federated Investors Funds
5800 Corporate Drive
Pittsburgh, PA 15237-7000
Contact us at FederatedInvestors.com
or call 1-800-341-7400.

Federated Securities Corp., Distributor

Cusip 60934N187

8062810A-SS (7/08)

Federated is a registered mark of Federated Investors, Inc. 2008 (c)Federated Investors, Inc.

EdwardJones

MAKING SENSE OF INVESTING

Edward Jones Tax-Free Money Market Fund*

PROSPECTUS

July 31, 2008

investment shares

*The Investment Shares of Tax-Free Instruments Trust offered through Edward D. Jones & Co., L.P. ("Edward Jones") are doing business as Edward Jones Tax-Free Money Market Fund.

Tax-Free Instruments Trust

A Portfolio of Money Market Obligations Trust

PROSPECTUS

July 31, 2008

Investment Shares

A money market mutual fund seeking current income exempt from federal income tax consistent with stability of principal by investing in a portfolio of short-term, high-quality, tax-exempt securities. Investment Shares of the Fund are sold primarily to customers of Edward Jones, which has an equity interest in the investment adviser to the Fund.

As with all mutual funds, the Securities and Exchange Commission (SEC) has not approved or disapproved these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is a criminal offense.

Not FDIC Insured * May Lose Value * No Bank Guarantee

CONTENTS

Risk/Return Summary 1

What are the Fund's Fees and Expenses? 3

What are the Fund's Investment Strategies? 4

What are the Principal Securities in Which the Fund Invests? 6

What are the Specific Risks of Investing in the Fund? 9

What Do Shares Cost? 13

How is the Fund Sold? 14

Payments to Financial Intermediaries 14

How to Purchase Shares 17

How to Redeem and Exchange Shares 18

Account and Share Information 20

Who Manages the Fund? 23

Legal Proceedings 26

Financial Information 28

Appendix A: Hypothetical Investment and Expense Information 30

Risk/Return Summary

WHAT IS THE FUND'S INVESTMENT OBJECTIVE?

The Fund is a money market fund that seeks to maintain a stable net asset value (NAV) of $1.00 per Share. The Fund's investment objective is current income exempt from federal income tax consistent with stability of principal. While there is no assurance that the Fund will achieve its investment objective, it endeavors to do so by following the strategies and policies described in this prospectus.

WHAT ARE THE FUND'S MAIN INVESTMENT STRATEGIES?

The Fund invests in a portfolio of short-term, high-quality, tax-exempt securities. At least 80% of the annual interest income that the Fund distributes will be exempt from federal income tax, including the alternative minimum tax for individuals and corporations (AMT). The Fund will have a dollar-weighted average portfolio maturity of 90 days or less.

WHAT ARE THE MAIN RISKS OF INVESTING IN THE FUND?

All mutual funds take investment risks. Therefore, even though the Fund is a money market fund that seeks to maintain a stable NAV, it is possible to lose money by investing in the Fund.

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The Shares offered by this prospectus are not deposits or obligations of any bank, are not endorsed or guaranteed by any bank and are not insured or guaranteed by the U.S. government, the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency.

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Risk/Return Bar Chart and Table

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Historically, the Fund has maintained a constant $1.00 net asset value per Share. The bar chart shows the variability of the Fund's Investment Shares total returns on a calendar year-end basis.

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The Fund's Investment Shares are sold without a sales charge (load). The total returns displayed above are based upon net asset value.

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The Fund's Investment Shares total return for the six-month period from January 1, 2008 to June 30, 2008 was 0.95%.

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Within the period shown in the bar chart, the Fund's Investment Shares highest quarterly return was 0.94% (quarter ended December 31, 2000). Its lowest quarterly return was 0.07% (quarter ended September 30, 2003).

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Average Annual Total Return Table

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The following table represents the Fund's Investment Shares Average Annual Total Returns for the calendar periods ended December 31, 2007.

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Calendar Period	Fund
1 Year	2.98%
5 Years	1.69%
10 Years	2.08%

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The Fund's Investment Shares 7-Day Net Yield as of December 31, 2007 was 2.71%. You may call the Fund at 1-800-341-7400 for the current 7-Day Net Yield.

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Past performance is no guarantee of future results. This information provides you with historical performance information so that you can analyze whether the Fund's investment risks are balanced by its potential returns.

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What are the Fund's Fees and Expenses?

TAX-FREE INSTRUMENTS TRUST

FEES AND EXPENSES

This table describes the fees and expenses that you may pay if you buy and hold Investment Shares of the Fund.

Shareholder Fees
Fees Paid Directly From Your Investment
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price)	None
Maximum Deferred Sales Charge (Load) (as a percentage of original purchase price or redemption proceeds, as applicable)	None
Maximum Sales Charge (Load) Imposed on Reinvested Dividends (and other Distributions) (as a percentage of offering price)	None
Redemption Fee (as a percentage of amount redeemed, if applicable)	None
Exchange Fee	None
Annual Fund Operating Expenses (Before Waiver and Reduction)1
Expenses That are Deducted From Fund Assets (as a percentage of average net assets)
Management Fee2	0.50%
Distribution (12b-1) Fee	None
Other Expenses3	0.41%
Total Annual Fund Operating Expenses	0.91%
1 The percentages shown are based on expenses for the entire fiscal year ended March 31, 2008. However, the rate at which expenses are accrued during the fiscal year may not be constant and, at any particular point, may be greater or less than the stated average percentage. Although not contractually obligated to do so, the Adviser waived and the shareholder services provider did not charge certain amounts. These are shown below along with the net expenses the Fund actually paid for the fiscal year ended March 31, 2008.
Total Waiver and Reduction of Fund Expenses	0.16%
Total Actual Annual Fund Operating Expenses (after waiver and reduction)	0.75%
2 The Adviser voluntarily waived a portion of the management fee. The Adviser can terminate this voluntary waiver at any time. The management fee paid by the Fund (after the voluntary waiver) was 0.44% for the fiscal year ended March 31, 2008.
3 Includes a shareholder services fee/account administration fee which is used to compensate intermediaries for shareholder services or account administrative services. Also includes a recordkeeping fee which is used to compensate intermediaries for recordkeeping services. Please see "Payments to Financial Intermediaries" herein. The shareholder services provider did not charge, and therefore the Fund's Investment Shares did not accrue, a portion of its fee. This reduction can be terminated at any time. Total other expenses paid by the Fund's Investment Shares (after the reduction) were 0.31% for the fiscal year ended March 31, 2008.

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EXAMPLE

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This Example is intended to help you compare the cost of investing in the Fund's Investment Shares with the cost of investing in other mutual funds.

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The Example assumes that you invest $10,000 in the Fund's Investment Shares for the time periods indicated and then redeem all of your Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's Investment Shares operating expenses are before waiver and reduction as shown in the table and remain the same. Although your actual costs and returns may be higher or lower, based on these assumptions your costs would be:

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<R>1 Year</R>	<R>$</R>	<R>93</R>
<R>3 Years</R>	<R>$</R>	<R>290</R>
<R>5 Years</R>	<R>$</R>	<R>504</R>
<R>10 Years</R>	<R>$</R>	<R>1,120</R>

What are the Fund's Investment Strategies?

The Fund invests in a portfolio of high-quality, tax-exempt securities maturing in 397 days or less. At least 80% of the annual interest income that the Fund distributes will be exempt from federal income tax, including AMT. The Fund will have a dollar-weighted average portfolio maturity of 90 days or less. The Fund's investment adviser (Adviser) actively manages the Fund's portfolio, seeking to limit the credit risk taken by the Fund and to select investments with enhanced returns.

The Adviser performs a fundamental credit analysis to develop an approved list of issuers and securities that meet the Adviser's standards for minimal credit risk. The Adviser monitors the credit risks of all portfolio securities on an ongoing basis by reviewing periodic financial data and ratings of nationally recognized statistical rating organizations (NRSROs).

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The Adviser targets a dollar-weighted average portfolio maturity range based upon its interest rate outlook and the tax-exempt securities available. The Adviser formulates its interest rate outlook by analyzing a variety of factors, such as (among others) current and expected U.S. economic growth; current and expected interest rates and inflation; and the Federal Reserve Board's monetary policy. The Adviser structures the portfolio by investing in variable rate demand instruments and municipal notes as well as other permissible investments as described in this prospectus and in the Fund's Statement of Additional Information (SAI). The Adviser generally shortens the portfolio's maturity when it expects interest rates to rise and extends the maturity when it expects interest rates to fall. This strategy seeks to enhance the returns from favorable interest rate changes and reduce the effect of unfavorable changes.

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Under normal conditions, so long as the Fund's name includes the words "tax-free," the Fund will invest its assets so that at least 80% of the income that it distributes will be exempt from federal income tax. This policy may not be changed without shareholder approval.

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TEMPORARY INVESTMENTS

The Fund may temporarily depart from its principal investment strategies by investing its assets in taxable securities or holding cash. It may do this in response to unusual circumstances, such as: adverse market, economic, or other conditions (for example, to help avoid potential losses, or during periods when there is a shortage of appropriate tax-exempt securities); to maintain liquidity to meet shareholder redemptions; or to accommodate cash inflows. It is possible that such temporary investments could affect the Fund's investment returns. If the Fund invests in taxable securities, it may receive and distribute taxable income to investors and, to that extent, fail to meet its investment objectives.

What are the Principal Securities in Which the Fund Invests?

TAX-EXEMPT SECURITIES

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Tax-exempt securities are fixed-income securities that, in the opinion of bond counsel to the issuer or on the basis of another authority believed by the Adviser to be reliable, pay interest that is not subject to federal regular income taxes. Fixed-income securities pay interest, dividends and distributions at a specified rate. The rate may be a fixed percentage of the principal or adjusted periodically. In addition, the issuer of a fixed-income security must repay the principal amount of the security, normally within a specified time. Certain of these tax-exempt securities may be subject to credit enhancement.

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Typically, states, counties, cities and other political subdivisions and authorities issue tax-exempt securities. The market categorizes tax-exempt securities by their source of repayment.

Variable Rate Demand Instruments

Variable rate demand instruments are tax-exempt securities that require the issuer or a third party, such as a dealer or bank, to repurchase the security for its face value upon demand. The securities also pay interest at a variable rate intended to cause the securities to trade at their face value. The Fund treats variable rate demand instruments as short-term securities even though their maturity may extend beyond 397 days because, within 397 days, their variable interest rate adjusts in response to changes in market rates and the repayment of their principal amount can be demanded. Certain variable rate demand instruments invested in by the Fund, referred to as "synthetic variable rate demand instruments," have certain features, such as call features, that make it possible that the Fund will realize capital gains.

Municipal Notes

Municipal notes are short-term, tax-exempt securities. Many municipalities issue such notes to fund their current operations before collecting taxes or other municipal revenues. Municipalities may also issue notes to fund capital projects prior to issuing long-term bonds. The issuers typically repay the notes at the end of their fiscal year, either with taxes, other revenues or proceeds from newly issued notes or bonds.

General Obligation Bonds

General obligation bonds are supported by the issuer's power to exact property or other taxes. The issuer must impose and collect taxes sufficient to pay principal and interest on the bonds. However, the issuer's authority to impose additional taxes may be limited by its charter or state law.

Special Revenue Bonds

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Special revenue bonds are payable solely from specific revenues received by the issuer such as specific taxes, assessments, tolls or fees. Bondholders may not collect from the municipality's general taxes or revenues. For example, a municipality may issue bonds to build a toll road, and pledge the tolls to repay the bonds. Therefore, a shortfall in the tolls normally would result in a default on the bonds.

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Private Activity Bonds

Private activity bonds are special revenue bonds used to finance private entities. A certain percentage of the proceeds from a private activity bond is used for a private business use or a certain percentage of the debt service regarding a private activity bond is paid directly or indirectly from a private business use. A private business use is a trade or business carried on by any person or entity other than a governmental unit. Private activity bonds are secured primarily by revenues derived from loan repayments or lease payments due from the private entity, which may or may not be guaranteed by a parent company or otherwise secured. Private activity bonds generally are not secured by a pledge of the taxing power of the issuer of such bonds. For example, a municipality may issue bonds to finance a new factory to improve its local economy. The municipality would lend the proceeds from its bonds to the company using the factory, and the company would agree to make loan payments sufficient to repay the bonds. The bonds would be payable from the company's loan payments, and generally not from any other revenues of the municipality. Therefore, any default of the loan normally would result in a default on the bonds.

Types of private activity bonds include, for example: bonds issued to obtain funds to provide water, sewage and solid waste facilities, qualified residential rental projects, certain local electric, gas and other heating and cooling facilities, qualified hazardous waste facilities, high speed intercity rail facilities, certain airports, docks, wharves and mass transportation facilities, and qualified mortgages; qualified student loan bonds; qualified redevelopment bonds, and bonds used for certain organizations exempt from Federal income taxation (qualified 501(c)(3) bonds).

The interest on many types of private activity bonds is subject to AMT. However, issues are available in the marketplace that are not subject to AMT due to qualifying tax rules.

CREDIT ENHANCEMENT

The Fund may invest in tax-exempt securities with credit enhancement. Credit enhancement consists of an arrangement in which a company agrees to pay amounts due on a fixed-income security if the issuer defaults. In some cases the company providing credit enhancement makes all payments directly to the security holders and receives reimbursement from the issuer. Normally, the credit enhancer has greater financial resources and liquidity than the issuer. For this reason, the Adviser usually evaluates the credit risk of a fixed-income security based solely upon its credit enhancement.

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Fixed-income securities generally compensate for greater credit risk by paying interest at a higher rate. The difference between the yield of a security and the yield of a U.S. Treasury or other appropriate index security with a comparable maturity (the spread) measures the additional interest paid for risk. Spreads may increase generally in response to adverse economic or market conditions. A security's spread may also increase if the security's rating is lowered, or the security is perceived to have an increased credit risk. An increase in the spread will cause the price of the security to decline.

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Common types of credit enhancement include guarantees, letters of credit, bond insurance and surety bonds. Credit enhancement also includes arrangements where securities or other liquid assets secure payment of a fixed-income security. If a default occurs, these assets may be sold and the proceeds paid to the security's holders. Either form of credit enhancement reduces credit risks by providing another source of payment for a fixed-income security.

TAX-EXEMPT COMMERCIAL PAPER

Tax-exempt commercial paper is a tax-exempt issuer's obligation with a maturity of less than nine months. Tax-exempt issuers may issue commercial paper to pay for current expenditures or other permissible activities. Tax-exempt issuers may constantly reissue their commercial paper and use the proceeds (or other sources) to repay maturing paper. If the tax-exempt issuer cannot continue to obtain liquidity in this fashion, its commercial paper may default.

INVESTMENT RATINGS

The securities in which the Fund invests must be rated in one of the two highest short-term rating categories by one or more NRSROs or be deemed by the Adviser to be of comparable quality to securities having such ratings.

What are the Specific Risks of Investing in the Fund?

CREDIT RISKS

Credit risk is the possibility that an issuer will default on a security by failing to pay interest or principal when due. If an issuer defaults, the Fund will lose money. Money market funds try to minimize this risk by purchasing higher quality securities.

Many fixed-income securities (including tax-exempt securities) receive credit ratings from NRSROs such as Standard & Poor's and Moody's Investors Service. These NRSROs assign ratings to securities by assessing the likelihood of issuer default. Lower credit ratings correspond to higher perceived credit risk and higher credit ratings correspond to lower perceived credit risk. Credit ratings do not provide assurance against default or other loss of money. If a security has not received a rating, the Fund must rely entirely upon the Adviser's credit assessment.

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Fixed-income securities generally compensate for greater credit risk by paying interest at a higher rate. The difference between the yield of a security and the yield of a U.S. Treasury security or other appropriate index with a comparable maturity (the spread) measures the additional interest paid for risk. Spreads may increase generally in response to adverse economic or market conditions. A security's spread may also increase if the security's rating is lowered, or the security is perceived to have an increased credit risk. An increase in the spread will cause the price of the security to decline.

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Credit risk includes the possibility that a party to a transaction involving the Fund will fail to meet its obligations. This could cause the Fund to lose the benefit of the transaction or prevent the Fund from selling or buying other securities to implement its investment strategy.

INTEREST RATE RISKS

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Prices of fixed-income securities (including tax-exempt securities) rise and fall in response to changes in the interest rate paid by similar securities. Generally, when interest rates rise, prices of fixed-income securities fall. However, market factors, such as the demand for particular fixed-income securities, may cause the price of certain fixed-income securities to fall while the prices of other securities rise or remain unchanged.

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Interest rate changes have a greater effect on the price of fixed-income securities with longer durations. Duration measures the price sensitivity of a fixed-income security to changes in interest rates. Money market funds try to minimize this risk by purchasing short-term securities. Certain of the Fund's investments may be valued, in part, by reference to the relative relationship between interest rates on tax-exempt securities and taxable securities, respectively. When the market for tax-exempt securities underperforms (or outperforms) the market for taxable securities, the value of these investments may be negatively affected (or positively affected).

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CREDIT ENHANCEMENT RISK

The securities in which the Fund invests may be subject to credit enhancement (for example, guarantees, letters of credit or bond insurance). Credit enhancement is designed to assure timely payment of the security; it does not protect the Fund against losses caused by declines in a security's value due to changes in market conditions. Securities subject to credit enhancement generally would be assigned a lower credit rating if the rating were based primarily on the credit quality of the issuer without regard to the credit enhancement. If the credit quality of the credit enhancement provider (for example, a bank or bond insurer) is downgraded, the rating on a security credit enhanced by such credit enhancement provider also may be downgraded.

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A single bank, bond insurer or other enhancement provider may provide credit enhancement to more than one of the Fund's investments. Having multiple securities credit enhanced by the same enhancement provider will increase the adverse effects on the Fund that are likely to result from a downgrading of, or a default by, such an enhancement provider. Adverse developments in the banking or bond insurance industries also may negatively affect the Fund, as the Fund may invest its assets in securities credit enhanced by banks or by bond insurers without limit. Bond insurers that provide credit enhancement for large segments of the fixed-income markets, including the municipal bond market, may be more susceptible to being downgraded or defaulting during recessions or similar periods of economic stress.

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SECTOR RISKS

A substantial part of the Fund's portfolio may be comprised of securities credit enhanced by banks or companies in similar businesses, or with similar characteristics. As a result, the Fund will be more susceptible to any economic, business, political or other developments which generally affect these entities. Developments affecting banks or companies with similar characteristics might include changes in interest rates, changes in economic cycle affecting credit losses and regulatory changes.

TAX RISKS

In order to pay interest that is exempt from federal regular income tax, tax- exempt securities must meet certain legal requirements. Failure to meet such requirements may cause the interest received and distributed by the Fund to shareholders to be taxable. Changes or proposed changes in federal tax laws may cause the prices of tax-exempt securities to fall and/or may affect the tax-exempt status of the securities in which the Fund invests.

CALL RISKS

Call risk is the possibility that an issuer may redeem a fixed-income security before maturity (a call) at a price above or below its current market price. An increase in the likelihood of a call may reduce the security's price.

If a fixed-income security is called, the Fund may have to reinvest the proceeds in other fixed-income securities with lower interest rates, higher credit risks, or other less favorable characteristics.

RISKS ASSOCIATED WITH INVESTING SHARE PURCHASE PROCEEDS

On days during which there are net purchases of Fund Shares, the Fund must invest the proceeds at prevailing market yields. If the yield of the securities purchased is less than that of the securities already in the portfolio, the Fund's yield will likely decrease. Conversely, net purchases on days on which short term yields rise will cause the Fund's yield to increase. The larger the amount that must be invested or the greater the difference between the yield of the securities purchased and the yield of the existing investments, the greater the impact will be on the yield of the Fund. In the event of significant changes in short-term yields or significant net purchases, the Fund retains the discretion to close to new investments. However, the Fund is not required to close, and no assurance can be given that this will be done in any given circumstance.

What Do Shares Cost?

The Fund attempts to stabilize the NAV of its Shares at $1.00 by valuing the portfolio securities using the amortized cost method. The Fund cannot guarantee that its NAV will always remain at $1.00 per Share. The Fund does not charge a front-end sales charge.

You can purchase, redeem or exchange Shares any day the New York Stock Exchange (NYSE) is open (a Regular Business Day). You may also be able to purchase and redeem (but not exchange) Shares on certain days that the NYSE is closed on an unscheduled basis due to unforeseen or emergency circumstances, if the Fund's Board determines to allow Fund Share transactions on such days (a Special Trading Day). If the Fund declares a Special Trading Day, information regarding shareholder trading activities for the Special Trading Day (such as when NAV, and entitlement to that day's dividend, will be determined) will be available by calling the Fund at 1-800-341-7400 and will be posted on Federated's website at FederatedInvestors.com. The information set forth in this prospectus regarding times relevant to NAV determination and dividend entitlement applies only to Regular Business Days. Please note that the times that might be specified for NAV determination and dividend entitlement on a Special Trading Day would not necessarily be the same as set forth in this prospectus with respect to Regular Business Days. Although Federated will attempt to make such information available in advance of a particular Special Trading Day, given the nature of Special Trading Days, it may not be able to do so until the morning of the Special Trading Day.

When the Fund receives your transaction request in proper form (as described in this prospectus), it is processed at the next determined NAV. NAV is determined at 2:00 p.m. (Eastern time) and as of the end of regular trading on the NYSE (normally 4:00 p.m. Eastern time) each day the NYSE is open. The times as of when NAV is determined, and when orders must be placed, may be changed as permitted by the SEC.

THE EDWARD JONES FSA AND CFO ACCOUNTS

These programs provide a convenient method for investment by linking your Fund account and the Edward Jones Brokerage Account. As a Full Service Account (FSA) or Complete Financial Organization (CFO) account subscriber, once you elect to purchase Fund Shares, free credit balances in your Brokerage Account will automatically sweep in your Fund account on a daily basis. FSA and CFO Accounts also permit daily, automatic redemption of Fund Shares to satisfy debit balances in your Brokerage Accounts.

How is the Fund Sold?

The Fund offers two Share classes: Investment Shares and Institutional Service Shares, each representing interests in a single portfolio of securities. This prospectus relates only to Investment Shares. All Share classes have different expenses which affect their performance. The Fund also offers by separate prospectus an additional class of Shares that may be preferable for shareholders purchasing $25,000 or more. Contact your Edward Jones financial adviser for more information concerning the other class.

The Fund's Distributor, Federated Securities Corp., markets the Shares described in this prospectus exclusively through Edward Jones to its customers. The Fund is sold largely as a "sweep" investment for otherwise uninvested cash in customers' brokerage accounts. The Fund may not be a suitable investment for retirement plans.

The Distributor is a subsidiary of Federated Investors, Inc. (Federated).

Payments to Financial Intermediaries

The Fund and its affiliated service providers may pay fees as described below to financial intermediaries (such as broker-dealers, banks, investment advisers or third-party administrators) whose customers are shareholders of the Fund.

SERVICE FEES

The Fund may pay Service Fees of up to 0.25% of average net assets to financial intermediaries or to Federated Shareholder Services Company (FSSC), a subsidiary of Federated, for providing services to shareholders and maintaining shareholder accounts. Intermediaries that receive Service Fees may include a company affiliated with management of Federated. As discussed under "Who Manages the Fund" below, the limited partner of the Fund's Adviser also receives service fees as a financial intermediary. If a financial intermediary receives Service Fees on an account, it is not eligible to also receive Account Administration Fees on that same account.

ACCOUNT ADMINISTRATION FEES

The Fund may pay Account Administration Fees of up to 0.25% of average net assets to banks that are not registered as broker-dealers or investment advisers for providing administrative services to the Funds and shareholders. If a financial intermediary receives Account Administration Fees on an account, it is not eligible to also receive Service Fees or Recordkeeping Fees on that same account.

RECORDKEEPING FEES

The Fund may pay Recordkeeping Fees on an average net assets basis or on a per account per year basis to financial intermediaries for providing recordkeeping services to the Funds and shareholders. If a financial intermediary receives Recordkeeping Fees on an account, it is not eligible to also receive Account Administration Fees or Networking Fees on that same account.

NETWORKING FEES

The Fund may reimburse Networking Fees on a per account per year basis to financial intermediaries for providing administrative services to the Funds and shareholders on certain non-omnibus accounts. If a financial intermediary receives Networking Fees on an account, it is not eligible to also receive Recordkeeping Fees on that same account.

ADDITIONAL PAYMENTS TO FINANCIAL INTERMEDIARIES

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The Distributor may make payments out of its own resources (including items of material value) to Edward Jones to support the sale of shares or for services provided to the funds distributed by the Distributor (including the Fund) and their respective shareholders. The amount of these payments could be significant. These payments are negotiated and may be based on such factors as the number or value of shares that Edward Jones sells or may sell; the value of client assets invested, or the type and nature of support furnished by Edward Jones. These payments are in addition to payments of Service Fees and/or Account Administration Fees and/or Recordkeeping Fees and/or Networking Fees (as applicable) made by the Fund, or other funds distributed by the Distributor, to Edward Jones. In connection with these payments, Edward Jones may elevate the prominence or profile of the Fund and/or other funds within the Edward Jones' organization by, for example, placement on a list of preferred or recommended funds, and/or granting the Distributor preferential or enhanced opportunities to promote the funds in various ways within Edward Jones' organization. In some cases, such payments may be made by or funded from the resources of companies affiliated with the Distributor. Such payments are not reflected in the fees and expenses listed in the fee table section of the prospectuses of the Fund or the other funds distributed by the Distributor because they are not paid by the Fund or such other funds. During the Fund's last fiscal year, Edward Jones received approximately $4.46 million in such payments. Prior to July 31, 2008, Edward Jones received these payments with respect to the Fund as well as other funds. As of July 31, 2008, Edward Jones will no longer receive these payments with respect to the Fund. Please refer to "Who Manages the Fund?" and "Additional Payments to Edward Jones" below for more information regarding other income received by Edward Jones relating to the Fund and the Advisor. The income received by Edward Jones with respect to the Fund and other funds distributed by the Distributor may create an incentive for Edward Jones or its employees or associated persons to recommend or sell Shares of the Fund or such other funds to you. More information regarding payments to financial intermediaries (such as Edward Jones) can be found in the Statement of Additional Information. You can also ask Edward Jones about any payments it receives from the Distributor (or its affiliates) or the Fund and any services provided. It is possible that other financial intermediaries may receive similar payments from the Distributor or its affiliates.

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Edward Jones has been appointed co-transfer agent with respect to accounts of shareholders of the Fund where it is also the broker/dealer of record and to otherwise act as transfer agent and dividend disbursing agent with respect to such accounts. The Fund pays the transfer agents a fee based on the size, type and number of accounts and transactions made by shareholders.

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During the Fund's last fiscal year, Edward Jones received approximately $5.62 million in total for its services (and an additional $4.46 million in supplemental payments received from the Distributor or its affiliate as discussed above). Edward Jones would have received approximately $36.00 in total fees and payments with respect to a shareholder who maintained an investment of $10,000 in Investment Shares during that year.

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How to Purchase Shares

You may purchase Shares by check or wire. Fund Shares purchased before 2:00 p.m. (Eastern time) earn dividends that day. Payment should be made in U.S. dollars and drawn on a U.S. bank.

When payment is made by check, the order is considered received after the check is converted into federal funds by Edward Jones. This is normally within two to three business days of receiving the check. If your check does not clear, your purchase will be canceled and you could be liable for any losses or fees the Fund incurs. Checks originally payable to someone other than you or Edward Jones (third-party checks) are not accepted.

When payment is made by wire with federal funds, the order is considered received within two business days. The Fund reserves the right to reject any request to purchase Shares.

BY CHECK

To purchase Shares by check:

• sign the Account Authorization and Acknowledgement Form;
  
• enclose a check made payable to Edward Jones; and
  
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• send the check and any completed forms to your local Edward Jones office with instructions that it be invested in the Fund.
  
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By Wire

Shares may be purchased with federal funds sent by Federal Reserve or bank wire. This method results in a more rapid investment in Fund Shares. Contact your Edward Jones financial adviser before wiring any funds. You cannot purchase Shares by wire on holidays when wire transfers are restricted.

BY AUTOMATED CLEARING HOUSE (ACH)

Once you have opened an account, you may purchase additional Shares through a depository institution that is an ACH member. This purchase option can be established by completing the appropriate sections of the New Account Form.

How to Redeem and Exchange Shares

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You should redeem Shares by submitting a request by telephone or by mail to your Edward Jones financial adviser.

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BY TELEPHONE

You may redeem Shares by simply calling your Edward Jones financial advisor. If you call before 2:00 p.m. (Eastern time), your redemption will be mailed to you the same day. You will not receive that day's dividend.

If you call after 2:00 p.m. (Eastern time), you will receive that day's dividend and your redemption will be mailed to you the following business day.

BY MAIL

You may redeem Shares by mailing a written request to Edward Jones. Call your Edward Jones financial adviser for specific instructions before redeeming by letter.

If your written request is received before 2:00 p.m. (Eastern Time), your redemption will be mailed to you the same day. You will not receive that day's dividend.

If your written request is received after 2:00 p.m. (Eastern Time), your redemption will be mailed to you the following business day. You will receive that day's dividend.

All written requests must include:

• Fund Name and Share Class, account number, and account registration;
  
• amount to be redeemed; and
  
• signatures of all shareholders exactly as registered.
  

PAYMENT METHODS FOR REDEMPTIONS

Your redemption proceeds will be mailed by check to your address of record. The following payment options are available. These payment options require a signature guarantee if they were not established when the account was opened:

• an electronic transfer to your account at a financial institution that is an ACH member; or
  
• wire payment to your account at a domestic commercial bank that is a Federal Reserve System member.
  

Redemption in Kind

Although the Fund intends to pay Share redemptions in cash, it reserves the right to pay the redemption price in whole or in part by a distribution of the Fund's portfolio securities.

LIMITATIONS ON REDEMPTION PROCEEDS

Redemption proceeds normally are wired or mailed within one business day after receiving a request in proper form. Payment may be delayed for up to seven days:

• to allow your purchase to clear (as discussed below);
  
• during periods of market volatility;
  
• when a shareholder's trade activity or amount adversely impacts the Fund's ability to manage its assets; or
  
• during any period when the Federal Reserve wire or applicable Federal Reserve banks are closed, other than customary weekend and holiday closings.
  

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If you request a redemption of Shares recently purchased by check (including a cashier's check or certified check), money order, bank draft or ACH, your redemption proceeds may not be made available for up to seven calendar days to allow the Fund to collect payment on the instrument used to purchase such Shares. If the purchase instrument does not clear, your purchase order will be canceled and you will be responsible for any losses incurred by the Fund as a result of your canceled order.

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Any attempt to redeem Shares through checkwriting or debit card before the purchase instrument has cleared will be automatically rejected.

In addition, the right of redemption may be suspended, or the payment of proceeds may be delayed, during any period:

• when the NYSE is closed, other than customary weekend and holiday closings;
  
• when trading on the NYSE is restricted, as determined by the SEC; or
  
• in which an emergency exists, as determined by the SEC, so that disposal of the Fund's investments or determination of its NAV is not reasonably practicable.
  

You will not accrue interest or dividends on uncashed redemption checks from the Fund if those checks are undeliverable and returned to the Fund.

CHECKWRITING AND DEBIT CARD PRIVILEGE

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You may request checks and a debit card to redeem your Fund Shares. Your account will continue to receive the daily dividend declared on the Shares being redeemed until the check or debit card transaction is presented for payment. You may not write a check or use the debit card to close an account. The checkwriting and debit card privilege may be discontinued at any time. For further information, including checkwriting and debit card requirements, contact your Edward Jones financial adviser.

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ADDITIONAL CONDITIONS

Share Certificates

The Fund does not issue share certificates.

Account and Share Information

ACCOUNT ACTIVITY

You will receive periodic statements reporting all account activity, including systematic transactions, dividends and capital gains paid.

DIVIDENDS AND CAPITAL GAINS

The Fund declares any dividends daily and pays them monthly to shareholders. If you purchase Shares by wire, you begin earning dividends on the third business day upon receipt of the wired funds by Edward Jones. If you purchase Shares by check, you begin earning dividends on the fourth business day after Edward Jones receives your check. In either case, you earn dividends through the day your redemption request is received.

The Fund does not seek to realize any capital gains or losses. However, the Fund may realize capital gains on certain securities, such as synthetic variable rate demand instruments, that may be redeemed in certain circumstances at a premium to their face value. If capital gains or losses were to occur, they could result in an increase or decrease in dividends. The Fund pays any capital gains at least annually, and may make such special distributions of dividends and capital gains as may be necessary to meet applicable regulatory requirements. Your dividends and capital gains distributions will be automatically reinvested in additional Shares without a sales charge.

See "Tax Information" below for information on the tax consequences of the Fund realizing a capital gain.

ACCOUNTS WITH LOW BALANCES

Due to the high cost of maintaining accounts with low balances, you must maintain a $2,500 average monthly account balance in any month. Otherwise, Edward Jones will charge you a $3.00 fee for that month. Certain accounts, including Edward Jones associate accounts, may not be subject to the average monthly account balance requirement pursuant to Edward Jones' policies and discretion.

TAX INFORMATION

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Edward Jones sends an annual statement of your account activity to assist you in completing your federal, state and local tax returns. It is anticipated that Fund distributions will be primarily dividends that are exempt from federal regular income tax, although a portion of the Fund's dividends may not be exempt. Dividends may be subject to state and local taxes. Although the Fund does not seek to realize capital gains, the Fund may realize and distribute capital gains from time to time as a result of the Fund's normal investment activities. Distributions of net short-term gains are taxable to you as ordinary income. Distributions of net long-term capital gains are taxable to you as long-term capital gains regardless of how long you have owned your Shares. Capital gains and non-exempt dividends are taxable whether paid in cash or reinvested in the Fund. Redemptions are taxable sales. Please consult your tax adviser regarding your federal, state and local tax liability.

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FREQUENT TRADING POLICIES

Given the short-term nature of the Fund's investments and its use of the amortized cost method for calculating the NAV of Fund Shares, the Fund does not anticipate that in the normal case frequent or short-term trading into and out of the Fund will have significant adverse consequences for the Fund and its shareholders. For this reason and because the Fund is intended to be used as a liquid short-term investment, the Fund's Board has not adopted policies or procedures to monitor or discourage frequent or short-term trading of the Fund's Shares. Regardless of their frequency or short-term nature, purchases and redemptions of Fund Shares can have adverse effects on the management of the Fund's portfolio and its performance.

PORTFOLIO HOLDINGS INFORMATION

Information concerning the Fund's portfolio holdings is available in the "Products" section of Federated's website at FederatedInvestors.com. A complete listing of the Fund's portfolio holdings as of the end of each month is posted on the website 15 days (or the next business day) after the end of the month and remains posted until replaced by the information for the succeeding month. Summary portfolio composition information as of the close of each month (except for recent purchase and sale transaction information, which is updated quarterly) is posted on the website 15 days (or the next business day) after month-end and remains until replaced by the information for the succeeding month. The summary portfolio composition information may include identification of the Fund's top ten credit/obligor exposures and effective average maturity, and percentage breakdowns of the portfolio by effective maturity range, credit quality and portfolio composition.

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To access this information from the "Products" section of the website, click on the "Portfolio Holdings" link under "Related Information" and select the appropriate link opposite the name of the Fund, or select the name of the Fund, and from the Fund's page, click on the "Portfolio Holdings" or "Composition" link.

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You may also access portfolio information as of the end of the Fund's fiscal quarters from the "Products" section of the website. The Fund's annual and semi-annual reports, which contain complete listings of the Fund's portfolio holdings as of the end of the Fund's second and fourth fiscal quarters, may be accessed by selecting the "Prospectuses and Regulatory Reports" link under "Related Information" and selecting the link to the appropriate PDF. Complete listings of the Fund's portfolio holdings as of the end of the Fund's first and third fiscal quarters may be accessed by selecting "Portfolio Holdings" from the "Products" section and then selecting the appropriate link opposite the name of the Fund. Fiscal quarter information is made available on the website within 70 days after the end of the fiscal quarter. This information is also available in reports filed with the SEC at the SEC's website at www.sec.gov.

Who Manages the Fund?

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The Board of Trustees (the "Board") governs the Fund. The Fund is a portfolio of Money Market Obligations Trust (the "Trust"), a Massachusetts business trust. The Board selects and oversees the investment adviser to the Fund, Passport Research, Ltd. (the "Adviser"). On July 22, 2008, the shareholders of the Fund, upon recommendation by the Board, approved a new investment advisory contract between the Adviser and the Trust, on behalf of the Fund. This new investment advisory contract was entered into and became effective on July 31, 2008. Prior to July 31, 2008, the investment adviser to the Fund was Federated Investment Management Company (the "Former Adviser"). The Former Adviser is organized as a Delaware statutory trust and is a wholly owned subsidiary of Federated Investors, Inc. The Adviser is organized as a Pennsylvania limited partnership. The Adviser currently is, and on May 21, 1981, was formed to be, a joint venture between Federated and Edward D. Jones & Co., L.P. ("Edward Jones"), which would serve as the investment adviser for the Edward Jones Money Market Fund, which, as of February 28, 2008, had $21.2 billion in net assets. The Former Adviser is the general partner of the Adviser and owns a 50.5% general partner interest in the Adviser. Edward Jones is the limited partner of the Adviser and owns a 49.5% limited partner interest in the Adviser. Edward Jones is organized as a Missouri limited partnership. Edward Jones is a large broker-dealer and financial services firm with approximately 9,200 offices spread across all 50 states in the United States, and has affiliates with approximately 590 locations in Canada and 230 locations in the United Kingdom.

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The Adviser and other subsidiaries of Federated advise approximately 148 equity, fixed-income and money market mutual funds as well as a variety of customized separately managed accounts, which totaled approximately $302 billion in assets as of December 31, 2007. Federated was established in 1955 and is one of the largest investment managers in the United States with approximately 1,270 employees. Federated provides investment products to nearly 5,500 investment professionals and institutions.

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The Adviser manages the Fund's assets, including buying and selling portfolio securities. The management fees, shareholder services fees, administration fees, recordkeeping fees or other fees or expenses payable by the Fund, or its shareholders, did not change as a result of the new investment advisory contract with the Adviser. Since the Former Adviser is the general partner of the Adviser, it also is expected that the same personnel of the Former Adviser that were involved in managing the Fund prior to July 31, 2008 will continue under the Adviser to manage the Fund. The address of the Adviser is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, PA 15222-3779.

The partners in the Adviser allocate the expenses and revenues of the partnership according to a mutually agreed-upon formula, which is negotiated and may vary over time. Edward Jones, as the limited partner of the Adviser, is entitled to a significant portion of the partnership distributions made by the Adviser, which is derived from the advisory fee revenue received by the Adviser from the Fund. The relationship between the partners in the Adviser with respect to the Fund is similar to the relationship currently in place between the partners to the Adviser with respect to Edward Jones Money Market Fund which is another mutual fund managed by the Adviser. Last year, under that relationship, the general partner received partnership distributions representing approximately 13% of the Adviser's revenues, while the limited partner received partnership distributions representing approximately 87% of the Adviser's revenues. The partnership distribution allocation may vary depending upon total assets in the Fund or other factors.

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The Fund pays Shareholder Service Fees up to 0.25% of average net assets to Edward Jones for providing services to shareholders and maintaining shareholder accounts. Edward Jones provides shareholder services, transfer agent services and recordkeeping services to the Fund. During the Fund's last fiscal year, Edward Jones received approximately $5.62 million in net total fees (approximately 22.84% of total Fund expenses) for its services and approximately an additional $4.46 million in supplemental payments for the Distributor or its affiliate (see "Additional Payments to Edward Jones" below). Edward Jones would have received approximately $36.00 in total fees and payments with respect to a shareholder maintaining an investment of $10,000 in Investment Shares during the Fund's last fiscal year.

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ADDITIONAL PAYMENTS TO EDWARD JONES

The Distributor may make payments out of its own resources (including items of material value) to Edward Jones to support the sale of shares or for services provided to the funds distributed by the Distributor and their respective shareholders. The amount of these payments could be significant. These payments are negotiated and may be based on such factors as the number or value of shares that Edward Jones sells or may sell, the value of client assets invested, or the type and nature of support furnished by Edward Jones. These payments are in addition to payments made by the Fund, or other funds distributed by the Distributor, to Edward Jones under a Services Fee or other services arrangement. In some cases, such payments may be made by or funded from the resources of companies affiliated with the Distributor. Such payments are not reflected in the fees and expenses listed in the fee table section of the prospectuses of the Fund or the other funds distributed by the Distributor because they are not paid by the Fund or such other funds. During the Fund's last fiscal year, Edward Jones received approximately $4.46 million in such payments. Prior to July 31, 2008, Edward Jones received these payments with respect to the Fund as well as other funds. As of July 31, 2008, Edward Jones will no longer receive these payments with respect to the Fund. The income received by Edward Jones with respect to the Fund and other funds distributed by the Distributor may create an incentive for Edward Jones or its employees or associated persons to recommend or sell Shares of the Fund or such other funds to you. More information regarding payments to financial intermediaries (such as Edward Jones) can be found in the Statement of Additional Information.

ADVISORY FEES

The Fund's investment advisory contract provides for payment to the Adviser of an annual investment advisory fee of 0.50% of the Fund's average daily net assets. The Adviser may voluntarily waive a portion of its fee or reimburse the Fund for certain operating expenses.

A discussion of the Board's review of the Fund's investment advisory contract is available in the Fund's Annual Report dated March 31, 2008.

Legal Proceedings

FEDERATED

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Since October 2003, Federated and related entities (collectively, "Federated"), and various Federated funds ("Funds"), have been named as defendants in several class action lawsuits now pending in the United States District Court for the District of Maryland. The lawsuits were purportedly filed on behalf of people who purchased, owned and/or redeemed shares of Federated-sponsored mutual funds during specified periods beginning November 1, 1998. The suits are generally similar in alleging that Federated engaged in illegal and improper trading practices including market timing and late trading in concert with certain institutional traders, which allegedly caused financial injury to the mutual fund shareholders. These lawsuits began to be filed shortly after Federated's first public announcement that it had received requests for information on shareholder trading activities in the Funds from the SEC, the Office of the New York State Attorney General ("NYAG"), and other authorities. In that regard, on November 28, 2005, Federated announced that it had reached final settlements with the SEC and the NYAG with respect to those matters. Specifically, the SEC and NYAG settled proceedings against three Federated subsidiaries involving undisclosed market timing arrangements and late trading. The SEC made findings: that Federated Investment Management Company ("FIMC"), an SEC-registered investment adviser to various Funds, and Federated Securities Corp., an SEC-registered broker-dealer and distributor for the Funds, violated provisions of the Investment Advisers Act and Investment Company Act by approving, but not disclosing, three market timing arrangements, or the associated conflict of interest between FIMC and the funds involved in the arrangements, either to other fund shareholders or to the funds' board; and that Federated Shareholder Services Company, formerly an SEC-registered transfer agent, failed to prevent a customer and a Federated employee from late trading in violation of provisions of the Investment Company Act. The NYAG found that such conduct violated provisions of New York State law. Federated entered into the settlements without admitting or denying the regulators' findings. As Federated previously reported in 2004, it has already paid approximately $8.0 million to certain funds as determined by an independent consultant. As part of these settlements, Federated agreed to pay disgorgement and a civil money penalty in the aggregate amount of an additional $72 million and, among other things, agreed that it would not serve as investment adviser to any registered investment company unless: (i) at least 75% of the fund's directors are independent of Federated; (ii) the chairman of each such fund is independent of Federated; (iii) no action may be taken by the fund's board or any committee thereof unless approved by a majority of the independent trustees of the fund or committee, respectively; and (iv) the fund appoints a "senior officer" who reports to the independent trustees and is responsible for monitoring compliance by the fund with applicable laws and fiduciary duties and for managing the process by which management fees charged to a fund are approved. The settlements are described in Federated's announcement which, along with previous press releases and related communications on those matters, is available in the "About Us" section of Federated's website at FederatedInvestors.com.

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Federated entities have also been named as defendants in several additional lawsuits that are now pending in the United States District Court for the Western District of Pennsylvania, alleging, among other things, excessive advisory and Rule 12b-1 fees.

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The Board of the Funds retained the law firm of Dickstein Shapiro LLP to represent the Funds in each of the lawsuits described in the preceding two paragraphs. Federated and the Funds, and their respective counsel, have been defending this litigation, and none of the Funds remains a defendant in any of the lawsuits (though some could potentially receive any recoveries as nominal defendants). Additional lawsuits based upon similar allegations may be filed in the future. The potential impact of these lawsuits, all of which seek unquantified damages, attorneys' fees, and expenses and future potential similar suits is uncertain. Although we do not believe that these lawsuits will have a material adverse effect on the Funds, there can be no assurance that these suits, ongoing adverse publicity and/or other developments resulting from the regulatory investigations will not result in increased Fund redemptions, reduced sales of Fund shares or other adverse consequences for the Funds.

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EDWARD JONES

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In the normal course of business, Edward Jones is named, from time to time, as a defendant in various legal actions, including arbitrations, class actions, and other litigation. Certain of these legal actions include claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages. Edward Jones is involved, from time to time, in investigations and proceedings by governmental and self-regulatory agencies, certain of which may result in adverse judgments, fines or penalties.

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The potential impact of these legal proceedings is uncertain. As of the date of this prospectus, Edward Jones does not believe that any current or anticipated legal proceedings will have a material adverse impact on Edward Jones or the Fund. However, there can be no assurance that these suits, the ongoing adverse publicity and/or other developments resulting from the regulatory investigations will not result in increased Fund redemptions, reduced sales of Fund shares, or other adverse consequences for the Fund.

Financial Information

FINANCIAL HIGHLIGHTS

The Financial Highlights will help you understand the Fund's financial performance for its past five fiscal years. Some of the information is presented on a per Share basis. Total returns represent the rate an investor would have earned (or lost) on an investment in the Fund, assuming reinvestment of any dividends and capital gains.

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This information has been audited by Ernst & Young LLP, an independent registered public accounting firm, whose report, along with the Fund's audited financial statements, is included in the Annual Report.

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Financial Highlights

(For a Share Outstanding Throughout Each Period)

Year Ended March 31	2008			2007			2006			2005			2004
Net Asset Value, Beginning of Period	$1.00			$1.00			$1.00			$1.00			$1.00
Income From Investment Operations:
Net investment income	0.028			0.029			0.020			0.008			0.004
Net realized gain on investments	0.000	1		0.000	1		--			--			--
TOTAL FROM INVESTMENT OPERATIONS	0.028			0.029			0.020			0.008			0.004
Less Distributions:
Distributions from net investment income	(0.028	)		(0.029	)		(0.020	)		(0.008	)		(0.004	)
Distributions from net realized gain on investments	(0.000	)1		(0.000	)1		--			--			--
TOTAL DISTRIBUTIONS	(0.028	)		(0.029	)		(0.020	)		(0.008	)		(0.004	)
Net Asset Value, End of Period	$1.00			$1.00			$1.00			$1.00			$1.00
Total Return2	2.81	%		2.89	%		2.04	%		0.75	%		0.39	%
Ratios to Average Net Assets:
Net expenses	0.75	%		0.76	%		0.75	%		0.75	%		0.75	%
Net investment income	2.76	%		2.86	%		2.03	%		0.76	%		0.39	%
Expense waiver/reimbursement3	0.06	%		0.06	%		0.14	%		0.17	%		0.16	%
Supplemental Data:
Net assets, end of period (000 omitted)	$3,151,612		$2,670,031			$2,521,430			$2,511,672			$2,461,922

1 Represents less than $0.001.

2 Based on net asset value.

3 This expense decrease is reflected in both the net expense and the net investment income ratios shown above.

Further information about the Fund's performance is contained in the Fund's Annual Report dated March 31, 2008, which can be obtained free of charge.

Appendix A: Hypothetical Investment and Expense Information

The following chart provides additional hypothetical information about the effect of the Fund's expenses, including investment advisory fees and other Fund costs, on the Fund's assumed returns over a 10-year period. The chart shows the estimated expenses that would be incurred in respect of a hypothetical investment of $10,000, assuming a 5% return each year, and no redemption of Shares. The chart also assumes that the Fund's annual expense ratio stays the same throughout the 10-year period and that all dividends and distributions are reinvested. The annual expense ratio used in the chart is the same as stated in the "Fees and Expenses" table of this prospectus (and thus may not reflect any fee waiver or expense reimbursement currently in effect). The maximum amount of any sales charge that might be imposed on the purchase of Shares (and deducted from the hypothetical initial investment of $10,000; the "Front-End Sales Charge") is reflected in the "Hypothetical Expenses" column. The hypothetical investment information does not reflect the effect of charges (if any) normally applicable to redemptions of Shares (e.g., deferred sales charges, redemption fees). Mutual fund returns, as well as fees and expenses, may fluctuate over time, and your actual investment returns and total expenses may be higher or lower than those shown below.

TAX-FREE INSTRUMENTS TRUST: INVESTMENT SHARES
ANNUAL EXPENSE RATIO: 0.91%
MAXIMUM FRONT-END SALES CHARGE: NONE

Year	Hypothetical Beginning Investment	Hypothetical Performance Earnings	Investment After Returns	Hypothetical Expenses	Hypothetical Ending Investment
1	$10,000.00	$500.00	$10,500.00	$92.86	$10,409.00
2	$10,409.00	$520.45	$10,929.45	$96.66	$10,834.73
3	$10,834.73	$541.74	$11,376.47	$100.61	$11,277.87
4	$11,277.87	$563.89	$11,841.76	$104.73	$11,739.13
5	$11,739.13	$586.96	$12,326.09	$109.01	$12,219.26
6	$12,219.26	$610.96	$12,830.22	$113.47	$12,719.03
7	$12,719.03	$635.95	$13,354.98	$118.11	$13,239.24
8	$13,239.24	$661.96	$13,901.20	$122.94	$13,780.72
9	$13,780.72	$689.04	$14,469.76	$127.97	$14,344.35
10	$14,344.35	$717.22	$15,061.57	$133.20	$14,931.03
Cumulative		$6,028.17		$1,119.56

A Statement of Additional Information (SAI) dated July 31, 2008, is incorporated by reference into this prospectus. Additional information about the Fund and its investments is contained in the Fund's SAI and Annual and Semi-Annual Reports to shareholders as they become available. The SAI contains a description of the Fund's policies and procedures with respect to the disclosure of its portfolio securities. To obtain the SAI, Annual Report, Semi-Annual Report and other information without charge, and to make inquiries, call your financial intermediary or the Fund at 1-800-341-7400.

These documents are also available on the Edward Jones website at www.edwardjones.com.

You can obtain information about the Fund (including the SAI) by writing to or visiting the SEC's Public Reference Room in Washington, DC. You may also access Fund information from the EDGAR Database on the SEC's website at www.sec.gov. You can purchase copies of this information by contacting the SEC by email at publicinfo@sec.gov or by writing to the SEC's Public Reference Section, Washington, DC 20549-0102. Call 1-202-942-8090 for information on the Public Reference Room's operations and copying fees.

Edward Jones
201 Progress Parkway
Maryland Heights, Missouri 63043
1-800-331-2451

Investment Company Act File No. 811-5950

Edward Jones
201 Progress Parkway
Maryland Heights, Missouri 63043
1-800-331-2451

Cusip 60934N195

8062810AC (7/08)

EdwardJones

TAX-FREE INSTRUMENTS TRUST

A Portfolio of Money Market Obligations Trust

STATEMENT OF ADDITIONAL INFORMATION

JULY 31, 2008

INVESTMENT SHARES

INSTITUTIONAL SERVICE SHARES

This Statement of Additional Information (SAI) is not a prospectus. Read this SAI in conjunction with the prospectuses for Tax-Free Instruments Trust (Fund), dated July 31, 2008. This SAI incorporates by reference the Fund’s Annual Report. Obtain the prospectuses or the Annual Report without charge by calling 1-800-341-7400.

CONTENTS

How is the Fund Organized?	1
Securities in Which the Fund Invests	1
Investment Risks
Investment Objective (and Policies) and Investment Limitations	5
What Do Shares Cost?	6
How is the Fund Sold?	7
Exchanging Securities for Shares	8
Subaccounting Services	8
Redemption in Kind	8
Massachusetts Partnership Law	8
Account and Share Information	8
Tax Information	9
Who Manages and Provides Services to the Fund?	9
How Does the Fund Measure Performance?	18
Who is Federated Investors, Inc.?	20
Financial Information	20
Investment Ratings	20
Addresses	23
Appendix	24

[Missing Graphic Reference]

Tax-Free Instruments Trust

Federated Investors Funds

5800 Corporate Drive

Pittsburgh, PA 15237-7000

Contact us at FederatedInvestors.com

or call 1-800-341-7400.

Federated Securities Corp., Distributor

8062810B (7/08)

Federated is a registered mark

of Federated Investors, Inc.

2008 ©Federated Investors, Inc.

How is the Fund Organized?

The Fund is a diversified portfolio of Money Market Obligations Trust (Trust). The Trust is an open-end, management investment company that was established under the laws of the Commonwealth of Massachusetts on October 3, 1988. The Trust may offer separate series of shares representing interests in separate portfolios of securities. The Fund, which was established on November 17, 1981, was reorganized as a portfolio of the Trust on August 25, 2000.

The Board of Trustees (Board) has established two classes of shares of the Fund, known as Investment Shares and Institutional Service Shares (Shares). This SAI relates to both classes of Shares. The Fund's investment adviser is Passport Research, Ltd. (Adviser).  On July 22, 2008, the shareholders of the Fund, upon recommendation by the Board, approved a new investment advisory contract between the Adviser and the Trust, on behalf of the Fund.  This new investment advisory contract was entered into and became effective on July 31, 2008.  Prior to July 31, 2008, the investment adviser to the Fund was Federated Investment Management Company (Former Adviser).  The Former Adviser is organized as a Delaware statutory trust and is a wholly-owned subsidiary of Federated Investors, Inc.  The Adviser is organized as a Pennsylvania limited partnership. The Adviser currently is, and on May 21, 1981, was formed to be, a joint venture between Federated and Edward D. Jones & Co., L.P. (“Edward Jones”),which would serve as the investment adviser for the Edward Jones Money Market Fund, which, as of February 28, 2008, had $21.2 billion in net assets.   The Former Adviser is the general partner of the Adviser and owns a 50.5% general partner interest in the Adviser.  Edward D. Jones & Co., L.P. (Edward Jones), is the limited partner of the Adviser and owns a 49.5% limited partner interest in the Adviser.  Edward Jones is a broker-dealer that is organized as a Missouri limited partnership.

The Adviser manages the Fund's assets, including buying and selling portfolio securities.  The management fees, shareholder services fees, administration fees, recordkeeping fees or other fees or expenses payable by the Fund, or its shareholders, did not change as a result of the new investment advisory contract with the Adviser.  Since the Former Adviser is the general partner of the Adviser, it also is expected that the same personnel of the Former Adviser that were involved in managing the Fund prior to July 31, 2008 will continue under the Adviser to manage the Fund.  The address of the Adviser is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, PA 15222-3779.

Securities in Which the Fund Invests

The principal securities in which the Fund invests are discussed in the Fund’s prospectus. In pursuing its investment strategy, the Fund may invest in the following securities for any purpose that is consistent with its investment objective:

SECURITIES DESCRIPTIONS AND TECHNIQUES

Fixed-Income Securities

Fixed-income securities pay interest, dividends or distributions at a specified rate. The rate may be a fixed percentage of the principal or may be adjusted periodically. In addition, the issuer of a fixed-income security must repay the principal amount of the security, normally within a specified time. Fixed-income securities provide more regular income than equity securities. However, the returns on fixed-income securities are limited and normally do not increase with the issuer’s earnings. This limits the potential appreciation of fixed-income securities as compared to equity securities.

A security’s yield measures the annual income earned on a security as a percentage of its price. A security’s yield will increase or decrease depending upon whether it costs less (a discount) or more (a premium) than the principal amount. If the issuer may redeem the security before its scheduled maturity, the price and yield on a discount or premium security may change based upon the probability of an early redemption. Securities with higher risks generally have higher yields.

The following describes the types of fixed-income securities, in addition to those listed in the prospectus, in which the Fund may invest.

MUNICIPAL LEASES

Municipalities may enter into leases for equipment or facilities. In order to comply with state public financing laws, these leases are typically subject to annual appropriation. In other words, a municipality may end a lease, without penalty, by not providing for the lease payments in its annual budget. After the lease ends, the lessor can resell the equipment or facility but may lose money on the sale. The Fund may invest in securities supported by pools of municipal leases. The most common type of lease backed securities are certificates of participation (COPs). However, the Fund may also invest directly in individual leases.

ZERO COUPON SECURITIES

Zero coupon securities do not pay interest or principal until final maturity unlike debt securities that provide periodic payments of interest (referred to as a coupon payment). Investors buy zero coupon securities at a price below the amount payable at maturity. The difference between the purchase price and the amount paid at maturity represents interest on the zero coupon security. Investors must wait until maturity to receive interest and principal, which increases the interest rate risks and credit risks of a zero coupon security.

There are many forms of zero coupon securities.  Some are issued at a discount and are referred to as zero coupon or capital appreciation bonds.  Others are created from interest bearing bonds by separating the right to receive the bond’s coupon payments from the right to receive the bond’s principal due at maturity, a process known as coupon stripping.  These are referred to as pay-in-kind or PIK securities.

TAX INCREMENT FINANCING BONDS

Tax increment financing (TIF) bonds are payable from increases in taxes or other revenues attributable to projects within the TIF district. For example, a municipality may issue TIF bonds to redevelop a commercial area. The TIF bonds would be payable solely from any increase in sales taxes collected from the merchants in the area. The bonds could fail to pay principal or interest if merchants' sales, and related tax collections, failed to increase as anticipated.

MUNICIPAL MORTGAGE-BACKED SECURITIES

Municipal mortgage-backed securities are special revenue bonds, the proceeds of which may be used to provide mortgage loans for single family homes or to finance multifamily housing. Municipal mortgage-backed securities represent interests in pools of mortgages. The mortgages that comprise a pool normally have similar interest rates, maturities and other terms. Municipal mortgage-backed securities generally have fixed interest rates.

CREDIT ENHANCEMENT

Common types of credit enhancement include guarantees, letters of credit, bond insurance and surety bonds. Credit enhancement also includes arrangements where securities or other liquid assets secure payment of a fixed-income security. If a default occurs, these assets may be sold and the proceeds paid to the security’s holders. Either form of credit enhancement reduces credit risks by providing another source of payment for a fixed-income security.

INVESTING IN SECURITIES OF OTHER INVESTMENT COMPANIES

The Fund may invest its assets in securities of other investment companies, including the securities of affiliated money market funds, as an efficient means of carrying out its investment policies and managing its uninvested cash.  These other investment companies are managed independently of the Fund and incur additional expenses. Therefore, any such investment by the Fund may be subject to duplicate expenses. However, the Adviser believes that the benefits and efficiencies of this approach should outweigh the additional expenses.

SPECIAL TRANSACTIONS

Inter-Fund Borrowing and Lending Arrangements

The Securities and Exchange Commission (SEC) has granted an exemption that permits the Fund and all other funds advised by subsidiaries of Federated Investors, Inc. (Federated funds) to lend and borrow money for certain temporary purposes directly to and from other Federated funds.  Participation in this inter-fund lending program is voluntary for both borrowing and lending Federated funds, and an inter-fund loan is only made if it benefits each participating Federated fund.  Federated Investors, Inc. (Federated) administers the program according to procedures approved by the Fund's Board, and the Board monitors the operation of the program.  Any inter-fund loan must comply with certain conditions set out in the exemption, which are designed to assure fairness and protect all participating Federated funds.

For example, inter-fund lending is permitted only (a) to meet shareholder redemption requests, (b) to meet commitments arising from “failed” trades, and (c) for other temporary purposes.  All inter-fund loans must be repaid in seven days or less.  The Fund's participation in this program must be consistent with its investment policies and limitations, and must meet certain percentage tests.  Inter-fund loans may be made only when the rate of interest to be charged is more attractive to the lending Federated fund than market-competitive rates on overnight repurchase agreements (Repo Rate) and more attractive to the borrowing Federated fund than the rate of interest that would be charged by an unaffiliated bank for short-term borrowings (Bank Loan Rate), as determined by the Board.  The interest rate imposed on inter-fund loans is the average of the Repo Rate and the Bank Loan Rate.

Delayed Delivery Transactions

Delayed delivery transactions, including when issued transactions, are arrangements in which the Fund buys securities for a set price, with payment and delivery of the securities scheduled for a future time. During the period between purchase and settlement, no payment is made by the Fund to the issuer and no interest accrues to the Fund. The Fund records the transaction when it agrees to buy the securities and reflects their value in determining the price of its shares. Settlement dates may be a month or more after entering into these transactions so that the market values of the securities bought may vary from the purchase prices. Therefore, delayed-delivery transactions create interest rate risks for the Fund. Delayed-delivery transactions also involve credit risks in the event of a counterparty default.

Asset Segregation

In order to secure its obligations in connection with special transactions, the Fund will either enter into offsetting transactions or set aside readily marketable securities. Unless the Fund has other readily marketable assets to set aside, it cannot trade assets used to secure such obligations without terminating a special transaction. This may cause the Fund to miss favorable trading opportunities or to realize losses on special transactions.

TEMPORARY INVESTMENTS

The Fund may make temporary investments in the following taxable securities:

Treasury Securities

Treasury securities are direct obligations of the federal government of the United States. Treasury securities are generally regarded as having the lowest credit risks.

Agency Securities

Agency securities are issued or guaranteed by a federal agency or other government-sponsored entity (GSE) acting under federal authority. Some GSE securities are supported by the full faith and credit of the United States. These include the Government National Mortgage Association, Small Business Administration, Farm Credit System Financial Assistance Corporation, Farmer's Home Administration, Federal Financing Bank, General Services Administration, Department of Housing and Urban Development, Export-Import Bank, Overseas Private Investment Corporation and Washington Metropolitan Area Transit Authority Bonds.

Other GSE securities receive support through federal subsidies, loans or other benefits. For example, the U.S. Treasury is authorized to purchase specified amounts of securities issued by (or otherwise make funds available to) the Federal Home Loan Bank System, Federal Home Loan Mortgage Corporation, Federal National Mortgage Association and Tennessee Valley Authority in support of such obligations.

A few GSE securities have no explicit financial support, but are regarded as having implied support because the federal government sponsors their activities. These include the Farm Credit System, Financing Corporation and Resolution Funding Corporation.

Investors regard agency securities as having low credit risks but not as low as Treasury securities.

Bank Instruments

Bank instruments are unsecured interest-bearing deposits with banks. Bank instruments include bank accounts, time deposits, certificates of deposit and banker’s acceptances.

Repurchase Agreements

Repurchase agreements (which are considered a type of special transaction for asset segregation or asset coverage purposes) are transactions in which the Fund buys a security from a dealer or bank and agrees to sell the security back at a mutually agreed-upon time and price. The repurchase price exceeds the sale price, reflecting the Fund’s return on the transaction. This return is unrelated to the interest rate on the underlying security. The Fund will enter into repurchase agreements only with banks and other recognized financial institutions, such as securities dealers, deemed creditworthy by the Adviser.

The Fund’s custodian or subcustodian will take possession of the securities subject to repurchase agreements. The Adviser or subcustodian will monitor the value of the underlying security each day to ensure that the value of the security always equals or exceeds the repurchase price.

Repurchase agreements are subject to credit risks. In addition to taxable repurchase agreements, the Fund also may invest in municipal repurchase agreements.

Reverse Repurchase Agreements

Reverse repurchase agreements are repurchase agreements in which the Fund is the seller (rather than the buyer) of the securities, and agrees to repurchase them at an agreed upon time and price.  A reverse repurchase agreement may be viewed as a type of borrowing by the Fund.  Reverse repurchase agreements are subject to credit risks.  In addition, reverse repurchase agreements create leverage risks because the Fund must repurchase the underlying security at a higher price, regardless of the market value of the security at the time of repurchase.

INVESTMENT RATINGS

The securities in which the Fund invests must be rated in one of the two highest short-term rating categories by one or more nationally recognized statistical rating organizations (NRSROs) or be deemed by the Adviser to be of comparable quality to securities having such ratings. An NRSROs two highest rating categories are determined without regard for sub-categories and gradations. For example, securities rated SP-1+, SP-1 or SP-2 by Standard & Poor’s (S&P), MIG-1 or MIG-2 by Moody’s Investors Service (Moody’s), or F-1+, F-1 or F-2 by Fitch Ratings (Fitch) are all considered rated in one of the two highest short-term rating categories. The Fund will follow applicable regulations in determining whether a security rated by more than one NRSRO can be treated as being in one of the two highest short-term rating categories; currently, such securities must be rated by two NRSROs in one of their two highest rating categories. See “Regulatory Compliance.”

Investment Risks

There are many factors which may affect an investment in the Fund. The Fund’s principal risks are described in its prospectus. Additional risk factors are outlined below.

CREDIT RISKS

Fixed-income securities (including tax-exempt securities) generally compensate for greater credit risk by paying interest at a higher rate. The difference between the yield of a security and the yield of a U.S. Treasury security or another baseline index with a comparable maturity (the spread) measures the additional interest paid for risk. Spreads may increase generally in response to adverse economic or market conditions. A security’s spread may also increase if the security’s rating is lowered or the security is perceived to have an increased credit risk. An increase in the spread will cause the price of the security to decline. Credit risk includes the possibility that a party to a transaction involving the Fund will fail to meet its obligations. This could cause the Fund to lose the benefit of the transaction or prevent the Fund from selling or buying other securities to implement its investment strategy.

LEVERAGE RISKS

Leverage risk is created when an investment exposes the Fund to a level of risk that exceeds the amount invested. Changes in the value of such an investment magnify the Fund’s risk of loss and potential for gain.

TAX RISKS

In order to pay interest that is exempt from federal income tax, tax exempt securities must meet certain legal requirements. Failure to meet such requirements may cause the interest received and distributed by the Fund to shareholders to be taxable for federal income tax purposes.

Changes or proposed changes in federal or state tax laws may cause the prices of tax exempt securities to fall and/or may affect the tax-exempt status of the securities in which the Fund invests.

CALL RISKS

Call risk is the possibility that an issuer may redeem a fixed-income security before maturity (a call) at a price above or below its current market price. An increase in the likelihood of a call may reduce the security’s price.

If a fixed-income security is called, the Fund may have to reinvest the proceeds in other fixed-income securities with lower interest rates, higher credit risks, or other less favorable characteristics.

RISKS ASSOCIATED WITH THE INVESTMENT ACTIVITIES OF OTHER ACCOUNTS

Investment decisions for the Fund are made independently from those of other accounts managed by the Adviser and accounts managed by affiliates of the Adviser. Therefore, it is possible that investment-related actions taken by such other accounts could adversely impact the Fund with respect to, for example, the value of Fund portfolio holdings, and/or prices paid to or received by the Fund on its portfolio transactions, and/or the Fund’s ability to obtain or dispose of portfolio securities. Related considerations are discussed elsewhere in this SAI under “Brokerage Transactions and Investment Allocation.”

Investment Objective (and Policies) and Investment Limitations

The Fund’s investment objective is current income exempt from federal income tax consistent with stability of principal. The Fund will invest its assets so that at least 80% of the income that it distributes will be exempt from federal regular income tax. So long as the Fund’s name includes the words “tax-free,” the Fund will invest its assets so that at least 80% of the income that it distributes will be exempt from federal income tax.

The fundamental investment objective and policies may not be changed by the Fund’s Board without shareholder approval.

INVESTMENT LIMITATIONS

Diversification of Investments

With respect to securities comprising 75% of the value of its total assets, the Fund will not purchase securities of any one issuer (other than cash; cash items; securities issued or guaranteed by the government of the United States or its agencies or instrumentalities and repurchase agreements collateralized by such U.S. government securities; and securities of other investment companies) if, as a result, more than 5% of the value of its total assets would be invested in securities of that issuer or the Fund would own more than 10% of the outstanding voting securities of that issuer.

Issuing Senior Securities and Borrowing Money

The Fund may borrow money, directly or indirectly, and issue senior securities to the maximum extent permitted under the Investment Company Act of 1940, as amended (1940 Act).

Investing in Real Estate

The Fund may not purchase or sell real estate, provided that this restriction does not prevent the Fund from investing in issuers which invest, deal, or otherwise engage in transactions in real estate or interests therein, or investing in securities that are secured by real estate or interests therein. The Fund may exercise its rights under agreements relating to such securities, including the right to enforce security interests and to hold real estate acquired by reason of such enforcement until that real estate can be liquidated in an orderly manner.

Investing in Commodities

The Fund will not purchase or sell physical commodities, provided that the Fund may purchase securities of companies that deal in commodities.

Lending Cash or Securities

The Fund may not make loans, provided that this restriction does not prevent the Fund from purchasing debt obligations, entering into repurchase agreements, lending its assets to broker/dealers or institutional investors and investing in loans, including assignments and participation interests.

Underwriting Securities

The Fund may not underwrite the securities of other issuers, except that the Fund may engage in transactions involving the acquisition, disposition or resale of its portfolio securities, under circumstances where it may be considered to be an underwriter under the Securities Act of 1933.

Concentration of Investments

The Fund will not make investments that will result in the concentration of its investments in the securities of issuers primarily engaged in the same industry, except that the Fund may concentrate its investments in short-term tax-exempt securities which are guaranteed by the U.S. government, regardless of the location of the issuing municipality. Government securities, municipal securities and bank instruments are not deemed to constitute an industry.

The above limitations cannot be changed unless authorized by the Board and by the “vote of a majority of its outstanding voting securities," as defined by the 1940 Act. The following limitations, however, may be changed by the Board without shareholder approval. Shareholders will be notified before any material change in these limitations becomes effective.

Buying on Margin

The Fund will not purchase securities on margin, provided that the Fund may obtain short-term credits necessary for the clearance of purchases and sales of securities.

Pledging Assets

The Fund will not mortgage, pledge or hypothecate any of its assets, provided that this shall not apply to the transfer of securities in connection with any permissible borrowing or to collateral arrangements in connection with permissible activities.

Investing in Securities of Other Investment Companies

The Fund may invest its assets in securities of other investment companies.

Investing in Illiquid Securities

The Fund will not purchase securities for which there is no readily available market, or enter into repurchase agreements or purchase time deposits that the fund cannot dispose of within seven days, if immediately after and as a result, the value of such securities would exceed, in the aggregate, 10% of the Fund’s net assets.

Investing in Restricted Securities

The Fund may invest in securities subject to restriction on resale under the federal securities laws.

APPLICATION OF INVESTMENT LIMITATIONS

For purposes of the diversification limitation, the Fund considers certificates of deposit and demand and time deposits issued by a U.S. branch of a domestic bank or savings association having capital, surplus and undivided profits in excess of $100,000,000 at the time of investment to be “cash items.” Except with respect to borrowing money, if a percentage limitations is adhered to at the time of investment, a later increase or decrease in percentage resulting from any change in value or net assets will not result in a violation of such limitation.

The Fund will consider concentration to be the investment of more than 25% of the value of its total assets in any one industry. To conform to the current view of the SEC that only domestic bank instruments may be excluded from industry concentration limitations, the Fund will not exclude foreign bank instruments from industry concentration limits as long as the policy of the SEC remains in effect. In addition, for purposes of the concentration restriction, investments in certain industrial development bonds funded by activities in a single industry will be deemed to constitute investment in an industry.

REGULATORY COMPLIANCE

The Fund may follow non-fundamental operational policies that are more restrictive than its fundamental investment limitations, as set forth in the prospectus and this SAI, in order to comply with applicable laws and regulations, including the provisions of and regulations under the 1940 Act. In particular, the Fund will comply with the various requirements of Rule 2a-7 (the “Rule”), which regulates money market mutual funds. The Fund will determine the effective maturity of its investments according to the Rule. The Fund may change these operational policies to reflect changes in the laws and regulations without the approval of its shareholders.

What Do Shares Cost?

DETERMINING MARKET VALUE OF SECURITIES

The Board has decided that the best method for determining the value of portfolio instruments is amortized cost.  Under the amortized cost valuation method, an investment is valued initially at its cost as determined in accordance with generally accepted accounting principles in the United States (GAAP).   The Fund then adjusts the amount of interest income accrued each day over the term of the investment to account for any difference between the initial cost of their investment and the amount payable at its maturity.  If the amount payable at maturity exceeds the initial cost (a discount) then the daily accrual is increased; if the initial cost exceeds the amount payable at maturity (a premium), then the daily accrual is decreased.  The Fund adds the amount of the increase to (in the case of a discount), or subtracts the amount of the decrease from (in the case of a premium), the investment’s cost each day.   The Fund uses this adjusted cost to value the investment.

Accordingly, neither the amount of daily income nor the net asset value (NAV) is affected by any unrealized appreciation or depreciation of the portfolio. In periods of declining interest rates, the indicated daily yield on Shares of the Fund computed by dividing the annualized daily income on the Fund’s portfolio by the NAV computed as above may tend to be higher than a similar computation made by using a method of valuation based upon market prices and estimates. In periods of rising interest rates, the opposite may be true.

The Fund’s use of the amortized cost method of valuing portfolio instruments depends on its compliance with certain conditions in the Rule. Under the Rule, the Board must establish procedures reasonably designed to stabilize the NAV per Share, as computed for purposes of distribution and redemption, at $1.00 per Share, taking into account current market conditions and the Fund’s investment objective. The procedures include monitoring the relationship between the amortized cost value per Share and the NAV per Share based upon available indications of market value. The Board will decide what, if any, steps should be taken if there is a difference of more than 0.5 of 1% between the two values. The Board will take any steps it considers appropriate (such as redemption in kind or shortening the average portfolio maturity) to minimize any material dilution or other unfair results arising from differences between the two methods of determining NAV.

How is the Fund Sold?

Under the Distributor’s Contract with the Fund, the Distributor (Federated Securities Corp.) offers Shares on a continuous, best-efforts basis.

ADDITIONAL PAYMENTS TO FINANCIAL INTERMEDIARIES

The Distributor may pay out of its own resources amounts (including items of material value) to certain financial intermediaries.  In some cases, such payments may be made by, or funded from the resources of, companies affiliated with the Distributor (including the Adviser).  While Financial Industry Regulatory Authority (FINRA) regulations limit the sales charges that you may bear, there are no limits with regard to the amounts that the Distributor may pay out of its own resources.  In addition to the payments which are generally described herein and in the prospectus, the financial intermediary also may receive Service Fees. In connection with these payments, the financial intermediary may elevate the prominence or profile of the Fund and/or other Federated funds within the financial intermediary’s organization by, for example, placement on a list of preferred or recommended funds, and/or granting the Distributor preferential or enhanced opportunities to promote the funds in various ways within the financial intermediary’s organization. You can ask your financial intermediary for information about any payments it receives from the Distributor or the Federated funds and any services provided.

The following examples illustrate the types of instances in which the Distributor may make additional payments to financial intermediaries.

Supplemental Payments

The Distributor may make supplemental payments to certain financial intermediaries that are holders or dealers of record for accounts in one or more of the Federated funds.  These payments may be based on such factors as the number or value of Shares the financial intermediary sells or may sell; the value of client assets invested; or the type and nature of services or support furnished by the financial intermediary.

Processing Support Payments

The Distributor may make payments to financial intermediaries that sell Federated fund shares to help offset their costs associated with client account maintenance support, statement processing and transaction processing.  The types of payments that the Distributor may make under this category include payment of ticket charges on a per transaction basis; payment of networking fees; and payment for ancillary services such as setting up funds on the financial intermediary’s mutual fund trading system.

Retirement Plan Program Servicing Payments

The Distributor may make payments to certain financial intermediaries who sell Federated fund shares through retirement plan programs.  A financial intermediary may perform retirement plan program services itself or may arrange with a third party to perform retirement plan program services.  In addition to participant recordkeeping, reporting, or transactionprocessing, retirement plan program services may include services rendered to a plan in connection with fund/investment selection and monitoring; employee enrollment and education; plan balance rollover or separation, or other similar services.

Other Benefits to Financial Intermediaries

From time to time, the Distributor, at its expense, may provide additional compensation to financial intermediaries that sell or arrange for the sale of Shares.  Such compensation may include financial assistance to financial intermediaries that enable the Distributor to participate in or present at conferences or seminars, sales or training programs for invited employees, client and investor events and other financial intermediary-sponsored events.

The Distributor also may hold or sponsor, at its expense, sales events, conferences and programs for employees or associated persons of financial intermediaries and may pay the travel and lodging expenses of attendees.  The Distributor also may provide, at its expense, meals and entertainment in conjunction with meetings with financial intermediaries.  Other compensation may be offered to the extent not prohibited by applicable laws, regulations or the rules of any self-regulatory agency, such as the FINRA.

Exchanging Securities for Shares

You may contact the Distributor to request a purchase of Shares in exchange for securities you own. The Fund reserves the right to determine whether to accept your securities and the minimum market value to accept. The Fund will value your securities in the same manner as it values its assets. This exchange is treated as a sale of your securities for federal tax purposes.

Subaccounting Services

Certain financial intermediaries may wish to use the transfer agent’s subaccounting system to minimize their internal recordkeeping requirements. The transfer agent may charge a fee based on the level of subaccounting services rendered. Financial intermediaries holding Shares in a fiduciary, agency, custodial or similar capacity may charge or pass through subaccounting fees as part of or in addition to normal trust or agency account fees. They may also charge fees for other services that may be related to the ownership of Shares. This information should, therefore, be read together with any agreement between the customer and the financial intermediary about the services provided, the fees charged for those services, and any restrictions and limitations imposed.

Redemption in Kind

Although the Fund intends to pay Share redemptions in cash, it reserves the right, as described below, to pay the redemption price in whole or in part by a distribution of the Fund’s portfolio securities.

Because the Fund has elected to be governed by Rule 18f-1 under the 1940 Act, the Fund is obligated to pay Share redemptions to any one shareholder in cash only up to the lesser of $250,000 or 1% of the net assets represented by such Share class during any 90-day period.

Any Share redemption payment greater than this amount will also be in cash unless the Fund’s Board determines that payment should be in kind. In such a case, the Fund will pay all or a portion of the remainder of the redemption in portfolio securities, valued in the same way as the Fund determines its NAV. The portfolio securities will be selected in a manner that the Fund’s Board deems fair and equitable and, to the extent available, such securities will be readily marketable.

Redemption in kind is not as liquid as a cash redemption. If redemption is made in kind, shareholders receiving the portfolio securities and selling them before their maturity could receive less than the redemption value of the securities and could incur certain transaction costs.

Massachusetts Partnership Law

Under certain circumstances, shareholders may be held personally liable as partners under Massachusetts law for obligations of the Trust. To protect its shareholders, the Trust has filed legal documents with Massachusetts that expressly disclaim the liability of its shareholders for acts or obligations of the Trust.

In the unlikely event a shareholder is held personally liable for the Trust’s obligations, the Trust is required by the Declaration of Trust to use its property to protect or compensate the shareholder. On request, the Trust will defend any claim made and pay any judgment against a shareholder for any act or obligation of the Trust. Therefore, financial loss resulting from liability as a shareholder will occur only if the Trust itself cannot meet its obligations to indemnify shareholders and pay judgments against them.

Account and Share Information

VOTING RIGHTS

Each Share of the Fund gives the shareholder one vote in Trustee elections and other matters submitted to shareholders for vote.

 All Shares of the Trust have equal voting rights, except that in matters affecting only a particular Fund or class, only Shares of that Fund or class are entitled to vote.

Trustees may be removed by the Board or by shareholders at a special meeting. A special meeting of shareholders will be called by the Board upon the written request of shareholders who own at least 10% of the Trust's outstanding Shares of all series entitled to vote.

As of July  2, 2008, no shareholders owned of record, beneficially, or both, 5% or more of the outstanding Investment Shares of the Fund.

As of July  2, 2008, the following shareholders owned of record, beneficially, or both, 5% or more of outstanding Institutional Service Shares:  Mercury &Co. Investors Bank & Trust Co., Boston, MA, owned approximately 137,814,414 Shares (40.06%), SEI Trust Company c/o Chevy Chase Trust Company, Oaks, PA, owned approximately 63,836,449 Shares (18.55%), First Clearing Corporation c/o of Wachovia Securities LLC, Glen Allen, VA, owned approximately 29,908,557 Shares (8.69%) and Stock Yards Bank & Trust Co., Louisville, KY, owned approximately 29,450,386 Shares (8.56%).

Shareholders owning 25% or more of outstanding Shares may be in control and be able to affect the outcome of certain matters presented for a vote of shareholders.

Mercury & Co. Investors Bank & Trust Co is organized in the state of Massachusetts and is a subsidiary of State Street Corporation, also organized in the state of Massachusetts.

Tax Information

FEDERAL INCOME TAX

The Fund intends to meet requirements of Subchapter M of the Internal Revenue Code (Code) applicable to regulated investment companies. If these requirements are not met, it will not receive special tax treatment and will be subject to federal corporate income tax.

The Fund will be treated as a single, separate entity for federal income tax purposes so that income earned and capital gains and losses realized by the Trust’s other portfolios will be separate from those realized by the Fund.

Who Manages and Provides Services to the Fund?

BOARD OF TRUSTEES

The Board is responsible for managing the Trust’s business affairs and for exercising all the Trust’s powers except those reserved for the shareholders. The following tables give information about each Board member and the senior officers of the Fund. Where required, the tables separately list Board members who are “interested persons” of the Fund (i.e., “Interested” Board members) and those who are not (i.e., “Independent” Board members). Unless otherwise noted, the address of each person listed is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, PA 15222.  The address of all Independent Board members listed is 5800 Corporate Drive, Pittsburgh, PA  15237-7000; Attention: Mutual Fund Board.  As of December 31, 2007, the Trust comprised 41 portfolios, and the Federated Fund Complex consisted of40 investment companies (comprising 148 portfolios). Unless otherwise noted, each Officer is elected annually. Unless otherwise noted, each Board member oversees all portfolios in the Federated Fund Complex and serves for an indefinite term.

As of July 2, 2008, the Fund’s Board and Officers owned approximately 3,801,710 Shares (1.10%) of the Fund’s outstanding Institutional Service Shares.

 INTERESTED TRUSTEES BACKGROUND AND COMPENSATION

Name Birth Date Positions Held with Trust Date Service Began	Principal Occupation(s) for Past Five Years, Other Directorships Held and Previous Position(s)	Aggregate Compensation From Fund (past fiscal year)	Total Compensation From Trust and Federated Fund Complex (past calendar year)
John F. Donahue* Birth Date: July 28, 1924 TRUSTEE Began serving: October 1988	Principal Occupations: Director or Trustee of the Federated Fund Complex; Chairman and Director, Federated Investors, Inc.; Chairman of the Federated Fund Complex’s Executive Committee. Previous Positions: Chairman of the Federated Fund Complex; Trustee, Federated Investment Management Company and Chairman and Director, Federated Investment Counseling.	$0	$0
J. Christopher Donahue* Birth Date: April 11, 1949 PRESIDENT AND TRUSTEE Began serving: April 1989	Principal Occupations: Principal Executive Officer and President of the Federated Fund Complex; Director or Trustee of some of the Funds in the Federated Fund Complex; President, Chief Executive Officer and Director, Federated Investors, Inc.; Chairman and Trustee, Federated Investment Management Company; Trustee, Federated Investment Counseling; Chairman and Director, Federated Global Investment Management Corp.; Chairman, Federated Equity Management Company of Pennsylvania and Passport Research, Ltd. (Investment advisory subsidiary of Federated); Trustee, Federated Shareholder Services Company; Director, Federated Services Company. Previous Positions: President, Federated Investment Counseling; President and Chief Executive Officer, Federated Investment Management Company, Federated Global Investment Management Corp. and Passport Research, Ltd.	$0	$0

*    Family relationships and reasons for “interested” status: John F. Donahue is the father of J. Christopher Donahue; both are “interested” due to their beneficial ownership of shares of Federated Investors, Inc. and the positions they hold with Federated and its subsidiaries.

INDEPENDENT TRUSTEES BACKGROUND AND COMPENSATION

Name Birth Date Positions Held with Trust Date Service Began	Principal Occupation(s) for Past Five Years, Other Directorships Held and Previous Position(s)	Aggregate Compensation From Fund (past fiscal year)	Total Compensation From Trust and Federated Fund Complex (past calendar year)
Thomas G. Bigley Birth Date: February 3, 1934 TRUSTEE Began serving: November 1994	Principal Occupation: Director or Trustee of the Federated Fund Complex. Other Directorships Held: Director, Member of Executive Committee, Children’s Hospital of Pittsburgh; Director, University of Pittsburgh. Previous Position: Senior Partner, Ernst & Young LLP.	$2,219.07	$198,000
John T. Conroy, Jr. Birth Date: June 23, 1937 TRUSTEE Began serving: August 1991	Principal Occupations: Director or Trustee of the Federated Fund Complex; Chairman of the Board, Investment Properties Corporation; Partner or Trustee in private real estate ventures in Southwest Florida; Assistant Professor in Theology at Barry University and Blessed Edmund Rice School for Pastoral Ministry. Previous Positions: President, Investment Properties Corporation; Senior Vice President, John R. Wood and Associates, Inc., Realtors; President, Naples Property Management, Inc. and Northgate Village Development Corporation.	$2,166.57	$198,000
Nicholas P. Constantakis Birth Date: September 3, 1939 TRUSTEE Began serving: October 1999	Principal Occupation: Director or Trustee of the Federated Fund Complex. Other Directorships Held: Director and Chairman of the Audit Committee, Michael Baker Corporation (engineering and energy services worldwide). Previous Position: Partner, Andersen Worldwide SC.	$2,219.07	$198,000
John F. Cunningham Birth Date: March 5, 1943 TRUSTEE Began serving: January 1999	Principal Occupation: Director or Trustee of the Federated Fund Complex; Director, QSGI, Inc. (technology services company). Other Directorships Held: Chairman, President and Chief Executive Officer, Cunningham & Co., Inc. (strategic business consulting); Trustee Associate, Boston College. Previous Positions: Director, Redgate Communications and EMC Corporation (computer storage systems); Chairman of the Board and Chief Executive Officer, Computer Consoles, Inc.; President and Chief Operating Officer, Wang Laboratories; Director, First National Bank of Boston; Director, Apollo Computer, Inc.	$2,017.34	$180,000
Peter E. Madden Birth Date: March 16, 1942 TRUSTEE Began serving: August 1991	Principal Occupation: Director or Trustee of the Federated Fund Complex. Other Directorships Held: Board of Overseers, Babson College. Previous Positions: Representative, Commonwealth of Massachusetts General Court; President, State Street Bank and Trust Company and State Street Corporation (retired); Director, VISA USA and VISA International; Chairman and Director, Massachusetts Bankers Association; Director, Depository Trust Corporation; Director, The Boston Stock Exchange.	$2,017.34	$180,000
Charles F. Mansfield, Jr. Birth Date: April 10, 1945 TRUSTEE Began serving: January 1999	Principal Occupations: Director or Trustee of the Federated Fund Complex; Management Consultant. Previous Positions: Chief Executive Officer, PBTC International Bank; Partner, Arthur Young & Company (now Ernst & Young LLP); Chief Financial Officer of Retail Banking Sector, Chase Manhattan Bank; Senior Vice President, HSBC Bank USA (formerly, Marine Midland Bank); Vice President, Citibank; Assistant Professor of Banking and Finance, Frank G. Zarb School of Business, Hofstra University; Executive Vice President DVC Group, Inc. (marketing, communications and technology).	$2,232.20	$198,000
John E. Murray, Jr., J.D., S.J.D. Birth Date: December 20, 1932 TRUSTEE Began serving: February 1995	Principal Occupations: Director or Trustee, and Chairman of the Board of Directors or Trustees, of the Federated Fund Complex; Chancellor and Law Professor, Duquesne University; Partner, Murray, Hogue & Lannis. Other Directorships Held: Director, Michael Baker Corp. (engineering, construction, operations and technical services). Previous Positions: President, Duquesne University; Dean and Professor of Law, University of Pittsburgh School of Law; Dean and Professor of Law, Villanova University School of Law.	$2,724.75	$240,000
R. James Nicholson Birth Date: February 4, 1938 TRUSTEE Began serving: April 2008	Principal Occupations: Director or Trustee of the Federated Fund Complex; Senior Counsel, Brownstein Hyatt Farber Schrek, P.C.; Former Secretary of the U.S. Dept. of Veterans Affairs; Former U.S. Ambassador to the Holy See; Former Chairman of the Republican National Committee. Other Directorships Held: Director, Horatio Alger Association. Previous Positions: Colonel, U.S. Army Reserve; Partner, Calkins, Kramer, Grimshaw and Harring, P.C.; General Counsel, Colorado Association of Housing and Building; Chairman and CEO, Nicholson Enterprises, Inc.(real estate holding company); Chairman and CEO, Renaissance Homes of Colorado.	$0	$0
Thomas M. O’Neill Birth Date: June 14, 1951 TRUSTEE Began serving: October 2006	Principal Occupations: Director or Trustee of the Federated Fund Complex; Managing Director and Partner, Navigator Management Company, L.P. (investment and strategic consulting). Other Directorships Held: Board of Overseers, Children’s Hospital of Boston; Visiting Committee on Athletics, Harvard College. Previous Positions: Chief Executive Officer and President, Managing Director and Chief Investment Officer, Fleet Investment Advisors; President and Chief Executive Officer, Aeltus Investment Management, Inc.; General Partner, Hellman, Jordan Management Co., Boston, MA; Chief Investment Officer, The Putnam Companies, Boston, MA; and Credit Analyst and Lending Officer, Fleet Bank.	$2,017.34	$180,000
Marjorie P. Smuts Birth Date: June 21, 1935 TRUSTEE Began serving: October 1988	Principal Occupations: Director or Trustee of the Federated Fund Complex; formerly, Public Relations/Marketing Consultant/Conference Coordinator. Previous Positions: National Spokesperson, Aluminum Company of America; television producer; President, Marj Palmer Assoc.; Owner, Scandia Bord.	$2,017.34	$180,000
John S. Walsh Birth Date: November 28, 1957 TRUSTEE Began serving: January 1999	Principal Occupations: Director or Trustee of the Federated Fund Complex; President and Director, Heat Wagon, Inc. (manufacturer of construction temporary heaters); President and Director, Manufacturers Products, Inc. (distributor of portable construction heaters); President, Portable Heater Parts, a division of Manufacturers Products, Inc. Previous Position: Vice President, Walsh & Kelly, Inc.	$2,069.84	$180,000
James F. Will Birth Date:  October 12, 1938 TRUSTEE Began serving: April 2006	Principal Occupations: Director or Trustee of the Federated Fund Complex; formerly, Vice Chancellor and President, Saint Vincent College. Other Directorships Held: Trustee, Saint Vincent College; Alleghany Corporation. Previous Positions: Chairman, President and Chief Executive Officer, Armco, Inc.; President and Chief Executive Officer, Cyclops Industries; President and Chief Operating Officer, Kaiser Steel Corporation.	$2,017.34	$180,000

OFFICERS**

Name Birth Date Positions Held with Trust Date Service Began	Principal Occupation(s) and Previous Position(s)
John W. McGonigle Birth Date: October 26, 1938 EXECUTIVE VICE PRESIDENT AND SECRETARY Began serving: October 1988	Principal Occupations: Executive Vice President and Secretary of the Federated Fund Complex; Vice Chairman, Executive Vice President, Secretary and Director, Federated Investors, Inc. Previous Positions: Trustee, Federated Investment Management Company and Federated Investment Counseling; Director, Federated Global Investment Management Corp., Federated Services Company and Federated Securities Corp.
Richard A. Novak Birth Date: December 25, 1963 TREASURER Began serving: January 2003	Principal Occupations:Principal Financial Officer and Treasurer of the Federated Fund Complex; Senior Vice President, Federated Administrative Services; Financial and Operations Principal for Federated Securities Corp., Edgewood Services, Inc. and Southpointe Distribution Services, Inc. Previous Positions: Controller of Federated Investors, Inc.; Vice President, Finance of Federated Services Company; held various financial management positions within The Mercy Hospital of Pittsburgh; Auditor, Arthur Andersen & Co.
Richard B. Fisher Birth Date: May 17, 1923 VICE PRESIDENT Began serving: October 1988	Principal Occupations: Vice Chairman or Vice President of some of the Funds in the Federated Fund Complex; Vice Chairman, Federated Investors, Inc.; Chairman, Federated Securities Corp. Previous Positions: President and Director or Trustee of some of the Funds in the Federated Fund Complex; Executive Vice President, Federated Investors, Inc. and Director and Chief Executive Officer, Federated Securities Corp.
Brian P. Bouda Birth Date: February 28, 1947 SENIOR VICE PRESIDENT AND CHIEF COMPLIANCE OFFICER Began serving: August 2004	Principal Occupations: Senior Vice President and Chief Compliance Officer of the Federated Fund Complex; Vice President and Chief Compliance Officer of Federated Investors, Inc.; and Chief Compliance Officer of its subsidiaries. Mr. Bouda joined Federated in 1999 and is a member of the American Bar Association and the State Bar Association of Wisconsin.
Deborah A. Cunningham Birth Date: September 15, 1959 CHIEF INVESTMENT OFFICER Began serving: May 2004	Principal Occupations: Deborah A. Cunningham was named Chief Investment Officer of money market products in 2004. She joined Federated in 1981 and has been a Senior Portfolio Manager and a Senior Vice President of the Fund’s Adviser since 1997. Ms. Cunningham is a Chartered Financial Analyst and received her M.S.B.A. in Finance from Robert Morris College.
Mary Jo Ochson Birth Date: September 12, 1953 CHIEF INVESTMENT OFFICER Began serving: May 2004	Principal Occupations: Mary Jo Ochson was named Chief Investment Officer of tax-exempt fixed-income products in 2004. She joined Federated in 1982 and has been a Senior Portfolio Manager and a Senior Vice President of the Fund’s previous Adviser, Federated Investment Management Company,  since 1996.  She was appointed Vice President of the Fund's current Adviser, Passport Research Ltd., in 2008. Ms. Ochson is a Chartered Financial Analyst and received her M.B.A. in Finance from the University of Pittsburgh.
Susan R. Hill Birth Date: June 20, 1963 VICE PRESIDENT Began serving: May 2004	Principal Occupations: Susan R. Hill is Vice President of the Trust. Ms. Hill joined Federated in 1990 and has been a Senior Portfolio Manager since 2003 and a Senior Vice President of the Fund’s Adviser since 2005. Ms. Hill was a Portfolio Manager from 1994 until 2003 and served as Vice President of the Fund’s Adviser from 1997 until 2004 and an Assistant Vice President of the Fund’s Adviser from 1994 until 1997. Ms. Hill is a Chartered Financial Analyst and received an M.S. in Industrial Administration from Carnegie Mellon University.
Jeff A. Kozemchak Birth Date: January 15, 1960 VICE PRESIDENT Began serving: May 2004	Principal Occupations: Jeff A. Kozemchak has been the Fund’s Portfolio Manager since September 1991. He is Vice President of the Trust. Mr. Kozemchak joined Federated in 1987 and has been a Senior Portfolio Manager since 1996 and a Senior Vice President of the Fund's previous Adviser, Federated Investment Management Company, since 1999. He was appointed Vice President of the Fund's current Adviser, Passport Research Ltd.,  in 2008.He was a Portfolio Manager until 1996 and a Vice President of the Fund’s previous Adviser from 1993 to 1998. Mr. Kozemchak is a Chartered Financial Analyst and received his M.S. in Industrial Administration from Carnegie Mellon University in 1987.
Paige M. Wilhelm Birth Date: May 28, 1962 VICE PRESIDENT Began serving: August 2006	Principal Occupations: Paige M. Wilhelm is Vice President of the Trust. Ms. Wilhelm joined Federated in 1985 and has been a Senior Vice President of the Fund’s Adviser since January 2006 and a Senior Portfolio Manager since January 2004.  She is responsible for portfolio management and research in the fixed-income area concentrating on taxable money market instruments.  Previous associations include Senior Credit Analyst, Federated Investors; Performance Analysis Supervisor; Performance Analyst, Federated Investment Counseling.  Ms. Wilhelm is a member of the CFA Society of Pittsburgh and received her B.S. from Indiana University and her M.B.A. from Duquesne University.

**    Officers do not receive any compensation from the Fund.

In addition, the Fund has appointed an Anti-Money Laundering Compliance Officer.

COMMITTEES OF THE BOARD

Board Committee	Committee Members	Committee Functions	Meetings Held During Last Fiscal Year
Executive	John F. Donahue John E. Murray, Jr., J.D., S.J.D. John S. Walsh	In between meetings of the full Board, the Executive Committee generally may exercise all the powers of the full Board in the management and direction of the business and conduct of the affairs of the Trust in such manner as the Executive Committee shall deem to be in the best interests of the Trust.  However, the Executive Committee cannot elect or remove Board members, increase or decrease the number of Trustees, elect or remove any Officer, declare dividends, issue shares or recommend to shareholders any action requiring shareholder approval.	Three
Audit	Thomas G. Bigley Nicholas P. Constantakis Charles F. Mansfield, Jr. John S. Walsh	The purposes of the Audit Committee are to oversee the accounting and financial reporting process of the Fund, the Fund‘s internal control over financial reporting, and the quality, integrity and independent audit of the Fund‘s financial statements.  The Committee also oversees or assists the Board with the oversight of compliance with legal requirements relating to those matters, approves the engagement and reviews the qualifications, independence and performance of the Fund‘s independent registered public accounting firm, acts as a liaison between the independent registered public accounting firm and the Board and reviews the Fund‘s internal audit function.	Nine
Nominating	Thomas G. Bigley John T. Conroy, Jr. Nicholas P. Constantakis John F. Cunningham Peter E. Madden Charles F. Mansfield, Jr. John E. Murray, Jr. R. James Nicholson Thomas M. O’Neill Marjorie P. Smuts John S. Walsh James F. Will	The Nominating Committee, whose members consist of all Independent Trustees, selects and nominates persons for election to the Fund‘s Board when vacancies occur. The Committee will consider candidates recommended by shareholders, Independent Trustees, officers or employees of any of the Fund‘s agents or service providers and counsel to the Fund. Any shareholder who desires to have an individual considered for nomination by the Committee must submit a recommendation in writing to the Secretary of the Fund, at the Fund’s address appearing on the back cover of this Statement of Additional Information. The recommendation should include the name and address of both the shareholder and the candidate and detailed information concerning the candidate’s qualifications and experience. In identifying and evaluating candidates for consideration, the Committee shall consider such factors as it deems appropriate.  Those factors will ordinarily include:  integrity, intelligence, collegiality, judgment, diversity, skill, business and other experience, qualification as an “Independent Trustee,” the existence of material relationships which may create the appearance of a lack of independence, financial or accounting knowledge and experience, and dedication and willingness to devote the time and attention necessary to fulfill Board responsibilities.	Two

BOARD OWNERSHIP OF SHARES IN THE FUND AND IN THE FEDERATED FAMILY OF INVESTMENT COMPANIES AS OF DECEMBER 31, 2007

Interested Board Member Name	Dollar Range of Shares Owned in Tax-Free Instruments Trust	Aggregate Dollar Range of Shares Owned in Federated Family of Investment Companies
John F. Donahue	None	Over $100,000
J. Christopher Donahue	Over $100,000	Over $100,000
Independent Board Member Name
Thomas G. Bigley	None	Over $100,000
John T. Conroy, Jr.	None	Over $100,000
Nicholas P. Constantakis	None	Over $100,000
John F. Cunningham	None	Over $100,000
Peter E. Madden	None	Over $100,000
Charles F. Mansfield, Jr.	None	Over $100,000
John E. Murray, Jr., J.D., S.J.D.	None	Over $100,000
R. James Nicholson	None	None
Thomas M. O’Neill	None	None
Marjorie P. Smuts	None	Over $100,000
John S. Walsh	None	Over $100,000
James F. Will	None	None

INVESTMENT ADVISER

The Fund's investment adviser is Passport Research, Ltd. (Adviser).  On July 22, 2008, the shareholders of the Fund, upon recommendation by the Board, approved a new investment advisory contract between the Adviser and the Trust, on behalf of the Fund.  This new investment advisory contract was entered into and became effective on July 31, 2008.  Prior to July 31, 2008, the investment adviser to the Fund was Federated Investment Management Company (Former Adviser).  The Former Adviser is organized as a Delaware statutory trust and is a wholly-owned subsidiary of Federated Investors, Inc.  The Adviser is organized as a Pennsylvania limited partnership.  The Former Adviser is the general partner of the Adviser and owns a 50.5% general partner interest in the Adviser.  Edward D. Jones & Co., L.P. (Edward Jones), is the limited partner of the Adviser and owns a 49.5% limited partner interest in the Adviser.  Edward Jones is a broker-dealer that is organized as a Missouri limited partnership.

The Adviser conducts investment research and makes investment decisions for the Fund. The management fees, shareholder services fees, administration fees, recordkeeping fees or other fees or expenses payable by the Fund, or its shareholders, did not change as a result of the new investment advisory contract with the Adviser.  Since the Former Adviser is the general partner of the Adviser, it also is expected that the same personnel of the Former Adviser that were involved in managing the Fund prior to July 31, 2008 will continue under the Adviser to manage the Fund.  The address of the Adviser is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, PA 15222-3779.

Other Related Services

Affiliates of the Adviser may, from time to time, provide certain electronic equipment and software to institutional customers in order to facilitate the purchase of Fund Shares offered by the Distributor.

CODE OF ETHICS RESTRICTIONS ON PERSONAL TRADING

As required by SEC rules, the Fund, its Adviser, and its Distributor have adopted codes of ethics.  These codes govern securities trading activities of investment personnel, Fund Trustees, and certain other employees.  Although they do permit these people to trade in securities, including those that the Fund could buy, as well as Shares of the Fund, they also contain significant safeguards designed to protect the Fund and its shareholders from abuses in this area, such as requirements to obtain prior approval for, and to report, particular transactions.

VOTING PROXIES ON FUND PORTFOLIO SECURITIES

The Board has delegated to the Adviser authority to vote proxies on the securities held in the Fund’s portfolio.  The Board has also approved the Adviser’s policies and procedures for voting the proxies, which are described below.

Proxy Voting Policies

The Adviser’s general policy is to cast proxy votes in favor of proposals that the Adviser anticipates will enhance the long-term value of the securities being voted.  Generally, this will mean voting for proposals that the Adviser believes will: improve the management of a company; increase the rights or preferences of the voted securities; and/or increase the chance that a premium offer would be made for the company or for the voted securities.

The following examples illustrate how these general policies may apply to proposals submitted by a company’s board of directors.  However, whether the Adviser supports or opposes a proposal will always depend on the specific circumstances described in the proxy statement and other available information.

On matters of corporate governance, generally the Adviser will vote for the full slate of directors nominated in an uncontested election; and for proposals to: require a company’s audit committee to be comprised entirely of independent directors; require independent tabulation of proxies and/or confidential voting by shareholders; reorganize in another jurisdiction (unless it would reduce the rights or preferences of the securities being voted); ratify the board’s selection of auditors (unless compensation for non-audit services exceeded 50% of the total compensation received from the company, or the previous auditor was dismissed because of a disagreement with the company); and repeal a shareholder rights plan (also known as a “poison pill”).  The Adviser will generally vote against the adoption of such a plan (unless the plan is designed to facilitate, rather than prevent, unsolicited offers for the company).

On matters of capital structure, generally the Adviser will vote: against proposals to authorize or issue shares that are senior in priority or voting rights to the securities being voted; and for proposals to: reduce the amount of shares authorized for issuance; authorize a stock repurchase program; and grant preemptive rights to the securities being voted.  The Adviser will generally vote against proposals to eliminate such preemptive rights.

On matters relating to management compensation, generally the Adviser will vote: for stock incentive plans that align the recipients’ interests with the interests of shareholders without creating undue dilution; against proposals that would permit the amendment or replacement of outstanding stock incentives with new stock incentives having more favorable terms; and against executive compensation plans that do not disclose the maximum amounts of compensation that may be awarded or the criteria for determining awards.

On matters relating to corporate transactions, the Adviser will vote proxies relating to proposed mergers, capital reorganizations, and similar transactions in accordance with the general policy, based upon its analysis of the proposed transaction.  The Adviser will vote proxies in contested elections of directors in accordance with the general policy, based upon its analysis of the opposing slates and their respective proposed business strategies.  Some transactions may also involve proposed changes to the company’s corporate governance, capital structure or management compensation.  The Adviser will vote on such changes based on its evaluation of the proposed transaction or contested election.  In these circumstances, the Adviser may vote in a manner contrary to the general practice for similar proposals made outside the context of such a proposed transaction or change in the board.  For example, if the Adviser decides to vote against a proposed transaction, it may vote for anti-takeover measures reasonably designed to prevent the transaction, even though the Adviser typically votes against such measures in other contexts.

The Adviser generally votes against proposals submitted by shareholders without the favorable recommendation of a company’s board.  The Adviser believes that a company’s board should manage its business and policies, and that shareholders who seek specific changes should strive to convince the board of their merits or seek direct representation on the board.

In addition, the Adviser will not vote if it determines that the consequences or costs outweigh the potential benefit of voting.  For example, if a foreign market requires shareholders casting proxies to retain the voted shares until the meeting date (thereby rendering the shares “illiquid” for some period of time), the Adviser will not vote proxies for such shares.

Proxy Voting Procedures

The Adviser has established a Proxy Voting Committee (Proxy Committee), to exercise all voting discretion granted to the Adviser by the Board in accordance with the proxy voting policies.  The Adviser has hired Institutional Shareholder Services (ISS) to obtain, vote, and record proxies in accordance with the Proxy Committee’s directions.  The Proxy Committee has supplied ISS with general guidelines that represent decisions made by the Proxy Committee in order to vote common proxy proposals; however, the Proxy Committee retains the right to modify these guidelines at any time or to vote contrary to the guidelines at any time in order to cast proxy votes in a manner that the Proxy Committee believes is consistent with the Adviser’s general policy.  ISS may vote any proxy as directed in the guidelines without further direction from the Proxy Committee and may make any determinations required to implement the guidelines.  However, if the guidelines require case-by-case direction for a proposal, ISS shall provide the Proxy Committee with all information that it has obtained regarding the proposal and the Proxy Committee will provide specific direction to ISS.

Conflicts of Interest

The Adviser has adopted procedures to address situations where a matter on which a proxy is sought may present a potential conflict between the interests of the Fund (and its shareholders) and those of the Adviser or Distributor.  This may occur where a significant business relationship exists between the Adviser (or its affiliates) and a company involved with a proxy vote.  A company that is a proponent, opponent, or the subject of a proxy vote, and which to the knowledge of the Proxy Committee has this type of significant business relationship, is referred to as an “Interested Company.”

The Adviser has implemented the following procedures in order to avoid concerns that the conflicting interests of the Adviser have influenced proxy votes.  Any employee of the Adviser who is contacted by an Interested Company regarding proxies to be voted by the Adviser must refer the Interested Company to a member of the Proxy Committee, and must inform the Interested Company that the Proxy Committee has exclusive authority to determine how the Adviser will vote.  Any Proxy Committee member contacted by an Interested Company must report it to the full Proxy Committee and provide a written summary of the communication.  Under no circumstances will the Proxy Committee or any member of the Proxy Committee make a commitment to an Interested Company regarding the voting of proxies or disclose to an Interested Company how the Proxy Committee has directed such proxies to be voted.  If the Proxy Voting Guidelines already provide specific direction on the proposal in question, the Proxy Committee shall not alter or amend such directions.  If the Proxy Voting Guidelines require the Proxy Committee to provide further direction, the Proxy Committee shall do so in accordance with the proxy voting policies, without regard for the interests of the Adviser with respect to the Interested Company.  If the Proxy Committee provides any direction as to the voting of proxies relating to a proposal affecting an Interested Company, it must disclose to the Fund’s Board information regarding: the significant business relationship; any material communication with the Interested Company; the matter(s) voted on; and how, and why, the Adviser voted as it did.

If the Fund holds shares of another investment company for which the Adviser (or an affiliate) acts as an investment adviser, the Proxy Committee will vote the Fund’s proxies in the same proportion as the votes cast by shareholders who are not clients of the Adviser at any shareholders’ meeting called by such investment company, unless otherwise directed by the Board.

Proxy Voting Report

A report on "Form N-PX" of how the Fund voted any proxies during the most recent 12-month period ended June 30 is available through Federated's website.  Go to FederatedInvestors.com; select "Products;" select the Fund; then use the link to "Prospectuses and Regulatory Reports" to access the link to Form N-PX. Form N-PX filings are also available at the SEC’s website at www.sec.gov.

PORTFOLIO HOLDINGS INFORMATION

Information concerning the Fund’s portfolio holdings is available in the “Products” section of Federated’s website at FederatedInvestors.com. A complete listing of the Fund’s portfolio holdings as of the end of each month is posted on the website 15 days (or the next business day) after the end of the month and remains posted until replaced by the information for the succeeding month. Summary portfolio composition information as of the close of each month (except for recent purchase and sale transaction information, which is updated quarterly) is posted on the website 15 days (or the next business day) after month-end and remains until replaced by the information for the succeeding month.  The summary portfolio composition information may include identification of the Fund’s top ten credit/obligor exposures and effective average maturity, and percentage breakdowns of the portfolio by effective maturity range, credit quality and portfolio composition.

To access this information from the “Products” section of the website, click on the “Portfolio Holdings” link under “Related Information” and select the appropriate link opposite the name of the Fund, or select the name of the Fund, and from the Fund’s page click on the “Portfolio Holdings” or “Composition” link.

You may also access portfolio information as of the end of the Fund’s fiscal quarters from the “Products” section of the website.  The Fund’s annual and semiannual reports, which contain complete listings of the Fund’s portfolio holdings as of the end of the Fund’s second and fourth fiscal quarters, may be accessed by selecting the “Prospectuses and Regulatory Reports” link under “Related Information” and selecting the link to the appropriate PDF.  Complete listings of the Fund’s portfolio holdings as of the end of the Fund’s first and third fiscal quarters may be accessed by selecting “Portfolio Holdings” from the “Products” section and then selecting the appropriate link opposite the name of the Fund.  Fiscal quarter information is made available on the website within 70 days after the end of the fiscal quarter.  This information is also available in reports filed with the SEC at the SEC’s website at www.sec.gov.

The disclosure policy of the Fund and the Adviser prohibits the disclosure of portfolio holdings information to any investor or intermediary before the same information is made available to other investors.  Employees of the Adviser or its affiliates who have access to nonpublic information concerning the Fund’s portfolio holdings are prohibited from trading securities on the basis of this information.  Such persons must report all personal securities trades and obtain pre-clearance for all personal securities trades other than mutual fund shares.

Firms that provide administrative, custody, financial, accounting, legal or other services to the Fund may receive nonpublic information about Fund portfolio holdings for purposes relating to their services.  The Fund may also provide portfolio holdings information to publications that rate, rank or otherwise categorize investment companies.  Traders or portfolio managers may provide “interest” lists to facilitate portfolio trading if the list reflects only that subset of the portfolio for which the trader or portfolio manager is seeking market interest.  A list of service providers, publications and other third parties who may receive nonpublic portfolio holdings information appears in the Appendix to this SAI.

The furnishing of nonpublic portfolio holdings information to any third party (other than authorized governmental or regulatory personnel) requires the prior approval of the President of the Adviser and of the Chief Compliance Officer of the Fund[s].  The President of the Adviser and the Chief Compliance Officer will approve the furnishing of nonpublic portfolio holdings information to a third party only if they consider the furnishing of such information to be in the best interests of the Fund and its shareholders.  In that regard, and to address possible conflicts between the interests of Fund shareholders and those of the Adviser and its affiliates, the following procedures apply.  No consideration may be received by the Fund, the Adviser, any affiliate of the Adviser or any of their employees in connection with the disclosure of portfolio holdings information.  Before information is furnished, the third party must sign a written agreement that it will safeguard the confidentiality of the information, will use it only for the purposes for which it is furnished and will not use it in connection with the trading of any security.  Persons approved to receive nonpublic portfolio holdings information will receive it as often as necessary for the purpose for which it is provided.  Such information may be furnished as frequently as daily and often with no time lag between the date of the information and the date it is furnished.  The Board receives and reviews annually a list of the persons who receive nonpublic portfolio holdings information and the purposes for which it is furnished.

BROKERAGE TRANSACTIONS AND INVESTMENT ALLOCATION

When selecting brokers and dealers to handle the purchase and sale of portfolio instruments, the Adviser looks for prompt execution of the order at a favorable price.  Fixed-income securities are generally traded in an over-the-counter market on a net basis (i.e., without commission) through dealers acting as principal or in transactions directly with the issuer.  Dealers derive an undisclosed amount of compensation by offering securities at a higher price than they bid for them.  Some fixed-income securities may have only one primary market maker.  The Adviser seeks to use dealers it believes to be actively and effectively trading the security being purchased or sold, but may not always obtain the lowest purchase price or highest sale price with respect to a security. The Adviser makes decisions on portfolio transactions and selects brokers and dealers subject to review by the Fund’s Board.

Investment decisions for the Fund are made independently from those of other accounts managed by the Adviser and accounts managed by affiliates of the Adviser. When the Fund and one or more of those accounts invests in, or disposes of, the same security, available investments or opportunities for sales will be allocated among the Fund and the account(s) in a manner believed by the Adviser to be equitable. While the coordination and ability to participate in volume transactions may benefit the Fund, it is possible that this procedure could adversely impact the price paid or received and/or the position obtained or disposed of by the Fund. Investment decisions, and trading, for certain separately managed or wrap-fee accounts, and other accounts, of the Adviser and/or certain investment adviser affiliates of the Adviser, are generally made, and conducted, independently from the Fund. It is possible that such independent trading activity could adversely impact the prices paid or received and/or positions obtained or disposed of by the Fund.

ADMINISTRATOR

Federated Administrative Services (FAS), a subsidiary of Federated, provides administrative personnel and services (including certain legal and financial reporting services) necessary to operate the Fund. FAS provides these at the following annual rates, based on the average aggregate daily net assets of the Fund and most of the other Federated funds:

Administrative Fee	Average Aggregate Daily Net Assets of the Federated Funds
0.150 of 1%	on the first $5 billion
0.125 of 1%	on the next $5 billion
0.100 of 1%	on the next $10 billion
0.075 of 1%	on assets over $20 billion

The administrative fee received during any fiscal year shall be at least $150,000 per portfolio and $40,000 per each additional class of Shares. FAS may voluntarily waive a portion of its fee and may reimburse the Fund for expenses.

FAS also provides certain accounting and recordkeeping services with respect to the Fund’s portfolio investments for a fee based on Fund assets plus out-of-pocket expenses.

CUSTODIAN

State Street Bank and Trust Company, Boston, Massachusetts, is custodian for the securities and cash of the Fund.

TRANSFER AGENT AND DIVIDEND DISBURSING AGENT

State Street Bank and Trust Company, the Fund’s registered transfer agent, maintains all necessary shareholder records. Edward D. Jones & Co., L.P. has been appointed co-transfer agent with respect to accounts of shareholders of the Investment Shares of the Fund where it is also the broker/dealer of record and to otherwise act as transfer agent and dividend disbursing agent with respect to such accounts. The Fund pays the transfer agent a fee based on the size, type and number of accounts and transactions made by shareholders.

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The independent registered public accounting firm for the Fund, Ernst & Young LLP, conducts its audits in accordance with the standards of the Public Company Accounting Oversight Board (United States), which require it to plan and perform its audits to provide reasonable assurance about whether the Fund’s financial statements and financial highlights are free of material misstatement.

FEES PAID BY THE FUND FOR SERVICES

For the Year Ended March 31	2008	2007	2006
Advisory Fee Earned	$15,079,494	$13,543,209	$13,819,033
Advisory Fee Reduction	$1,806,490	$1,595,726	$1,975,278
Administrative Fee	$2,298,115	$2,063,985	$2,106,021
Shareholder Services Fee:
Investment Shares	$4,117,985	--	--
Institutional Service Shares	$53,777	--	--

Fees are allocated among classes based on their pro rata share of Fund assets, except for shareholder services fees, which are borne only by the applicable class of Shares.

Includes $4,655.44 paid to a company affiliated with management of Federated.

How Does the Fund Measure Performance?

The Fund may advertise Share performance by using the SEC’s standard methods for calculating performance applicable to all mutual funds. The SEC also permits this standard performance information to be accompanied by non-standard performance information.

The performance of Shares depends upon such variables as: portfolio quality; average portfolio maturity; type and value of portfolio securities; changes in interest rates; changes or differences in the Fund’s or any class of Shares' expenses; and various other factors.

Share performance fluctuates on a daily basis largely because net earnings and/or the value of portfolio holdings fluctuate daily. Both net earnings and offering price per Share are factors in the computation of yield and total return.

AVERAGE ANNUAL TOTAL RETURNS AND YIELD

Total returns are given for the one-year,  five-year and ten-year periods ended March 31, 2008.

Yield, Effective Yield and Tax-Equivalent Yield are given for the 7-day period ended March 31, 2008.

	7-Day Period	1 Year	5 Years	10 Years
Investment Shares:
Total Return
Before Taxes	N/A	2.81%	1.77%	2.07%
Yield	1.89%	N/A	N/A	N/A
Effective Yield	1.90%	N/A	N/A	N/A
Tax-Equivalent Yield	2.91%	N/A	N/A	N/A

	7-Day Period	1 Year	5 Years	10 Years
Institutional Service Shares:
Total Return
Before Taxes	N/A	2.96%	1.94%	2.23%
Yield	2.01%	N/A	N/A	N/A
Effective Yield	2.03%	N/A	N/A	N/A
Tax-Equivalent Yield	3.09%	N/A	N/A	N/A

TOTAL RETURN

Total return represents the change (expressed as a percentage) in the value of Shares over a specific period of time, and includes the investment of income and capital gains distributions.

The average annual total return for Shares is the average compounded rate of return for a given period that would equate a $10,000 initial investment to the ending redeemable value of that investment. The ending redeemable value is computed by multiplying the number of Shares owned at the end of the period by the NAV per Share at the end of the period. The number of Shares owned at the end of the period is based on the number of Shares purchased at the beginning of the period with $10,000, less any applicable sales charge, adjusted over the period by any additional Shares, assuming the annual reinvestment of all dividends and distributions.

YIELD, EFFECTIVE YIELD AND TAX-EQUIVALENT YIELD

The yield of Shares is based upon the seven days ending on the day of the calculation, called the “base period.” This yield is calculated by: determining the net change in the value of a hypothetical account with a balance of one Share at the beginning of the base period, with the net change excluding capital changes but including the value of any additional Shares purchased with dividends earned from the original one Share and all dividends declared on the original and any purchased Shares; dividing the net change in the account’s value by the value of the account at the beginning of the base period to determine the base period return; and multiplying the base period return by 365/7. The effective yield is calculated by compounding the unannualized base period return by: adding one to the base period return, raising the sum to the 365/7th power; and subtracting one from the result. The tax-equivalent yield of Shares is calculated similarly to the yield, but is adjusted to reflect the taxable yield that Shares would have had to earn to equal the actual yield, assuming the maximum combined federal and state tax rate.

To the extent financial intermediaries charge fees in connection with services provided in conjunction with an investment in Shares, the Share performance is lower for shareholders paying those fees.

TAX EQUIVALENCY TABLE

Set forth below is a sample of a tax-equivalency table that may be used in advertising and sales literature. This table is for illustrative purposes only and is not representative of past or future performance of the Fund. The interest earned by the tax-exempt securities owned by the Fund generally remains free from federal regular income tax and is often free from state and local taxes as well. However, some of the Fund’s income may be subject to the federal alternative minimum tax and state and/or local taxes.

Taxable Yield Equivalent for 2008 Multistate Municipal Fund
Tax Bracket:
Federal		10.00%		15.00%		25.00%		28.00%		33.00%		35.00%
Joint Return:		$0 16,050	-	$16,051 65,100	-	$65,101 131,450	-	$131,451 200,300	-	$200,301 357,700	-	Over $357,700
Single Return:		$0 8,025	-	$8,026 32,550	-	$32,551 78,850	-	$78,851 164,550	-	$164,551 357,700	-	Over $357,700
Tax-Exempt Yield	Taxable Yield Equivalent
0.50%		0.56%		0.59%		0.67%		0.69%		0.75%		0.77%
1.00%		1.11%		1.18%		1.33%		1.39%		1.49%		1.54%
1.50%		1.67%		1.76%		2.00%		2.08%		2.24%		2.31%
2.00%		2.22%		2.35%		2.67%		2.78%		2.99%		3.08%
2.50%		2.78%		2.94%		3.33%		3.47%		3.73%		3.85%
3.00%		3.33%		3.53%		4.00%		4.17%		4.48%		4.62%
3.50%		3.89%		4.12%		4.67%		4.86%		5.22%		5.38%
4.00%		4.44%		4.71%		5.33%		5.56%		5.97%		6.15%
4.50%		5.00%		5.29%		6.00%		6.25%		6.72%		6.92%
5.00%		5.56%		5.88%		6.67%		6.94%		7.46%		7.69%
5.50%		6.11%		6.47%		7.33%		7.64%		8.21%		8.46%
6.00%		6.67%		7.06%		8.00%		8.33%		8.96%		9.23%
6.50%		7.22%		7.65%		8.67%		9.03%		9.70%		10.00%
7.00%		7.78%		8.24%		9.33%		9.72%		10.45%		10.77%
7.50%		8.33%		8.82%		10.00%		10.42%		11.19%		11.54%
8.00%		8.89%		9.41%		10.67%		11.11%		11.94%		12.31%
8.50%		9.44%		10.00%		11.33%		11.81%		12.69%		13.08%
9.00%		10.00%		10.59%		12.00%		12.50%		13.43%		13.85%
9.50%		10.56%		11.18%		12.67%		13.19%		14.18%		14.62%
10.00%		11.11%		11.76%		13.33%		13.89%		14.93%		15.38%
10.50%		11.67%		12.35%		14.00%		14.58%		15.67%		16.15%
11.00%		12.22%		12.94%		14.67%		15.28%		16.42%		16.92%

Note: The maximum marginal tax rate for each bracket was used in calculating the taxable yield equivalent. Furthermore, additional state and local taxes paid on comparable taxable investments were not used to increase federal deductions.

Who is Federated Investors, Inc.?

Federated and its subsidiaries are dedicated to providing you with world-class investment management.  With offices in Pittsburgh, New York City, Boston and Frankfurt, Federated is a firm with independent research, product breadth and industry standing.

Federated seeks to achieve superior and sustainable investment performance for a broad array of global clients through a team structure utilizing proprietary qualitative and quantitative research.

FEDERATED FUNDS OVERVIEW

Equities

As of December 31, 2007, Federated managed 49 equity funds totaling approximately $29 billion in assets across growth, value, equity income, international, index and sector allocation styles.

Taxable Fixed-Income

As of December 31, 2007, Federated managed 35 taxable bond funds including: high-yield, multi-sector, mortgage-backed, U.S. government, U.S. corporate and international, with assets approximating $15 billion.

Tax Free Fixed-Income

As of December 31, 2007, Federated managed 13 municipal bond funds with approximately $3 billion in assets and 22 municipal money market funds with approximately $32 billion in total assets.

Money Market Funds

As of December 31, 2007, Federated managed $215 billion in assets across 51 money market funds, including 17 government, 11 prime, 22 municipal and 1 euro-denominated with assets approximating $105 billion, $78 billion, $32 billion and $.27 billion, respectively.

The Chief Investment Officers responsible for oversight of the various investment sectors within Federated are: Stephen F. Auth, CFA, for Global Equity; Robert J. Ostrowski, CFA, for Taxable Fixed-Income; Mary Jo Ochson, CFA, for Tax Free Fixed-Income; and Deborah A. Cunningham, CFA, for Money Market Funds.

Financial Information

The Financial Statements for the Fund for the fiscal year ended March 31, 2008 are incorporated herein by reference to the Annual Report to Shareholders of Tax-Free Instruments Trust dated March 31, 2008.

Investment Ratings

STANDARD & POOR’S (S&P) SHORT-TERM MUNICIPAL OBLIGATION RATINGS

An S&P note rating reflects the liquidity concerns and market access risks unique to notes.

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 sign (+) 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.

S&P VARIABLE RATE DEMAND NOTES (VRDNs) AND TENDER OPTION BONDS (TOBs) RATINGS

S&P assigns dual ratings to all long-term debt issues that have as part of their provisions a variable rate demand feature. The first rating (long-term rating) addresses the likelihood of repayment of principal and interest when due, and the second rating (short-term rating) describes the demand characteristics. Several examples are AAA/A-1+, AA/A-1+, A/A-1. (The definitions for the long-term and the short-term ratings are provided below.)

S&P COMMERCIAL PAPER (CP) RATINGS

An S&P 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.

A-1--A short-term obligation rated 'A-1' is rated in the highest category by S&P.  The obligor's capacity to meet its financial commitment on the obligation is strong.  Within this category, certain obligations are designated with a plus sign (+).  This indicates that the obligor's capacity to meet its financial commitment on these obligations is extremely strong.

A-2--A short-term obligation rated 'A-2' is somewhat more susceptible to the adverse effects of changes in circumstances and economic conditions than obligations in higher rating categories.  However, the obligor's capacity to meet its financial commitment on the obligation is satisfactory.

S&P LONG-TERM DEBT RATINGS

AAA--An obligation rated 'AAA' has the highest rating assigned by S&P. The obligor's capacity to meet its financial commitment on the obligation is extremely strong.

AA--An obligation rated 'AA' differs from the highest rated obligations only in a small degree.  The obligor's capacity to meet its financial commitment on the obligation is very strong.

A--An obligation rated 'A' is somewhat more susceptible to the adverse effects of changes in circumstances and economic conditions than obligations in higher rated categories.  However, the obligor's capacity to meet its financial commitment on the obligation is still strong.

MOODY’S INVESTORS SERVICE (MOODY’S) SHORT-TERM MUNICIPAL OBLIGATION RATINGS

Moody’s short-term ratings are designated Moody’s Investment Grade (MIG or VMIG). (See below.) The purpose of the MIG or VMIG ratings is to provide investors with a simple system by which the relative investment qualities of short-term obligations may be evaluated.

MIG1--This designation denotes best quality. There is present strong protection by established cash flows, superior liquidity support or demonstrated broad based access to the market for refinancing.

MIG2--This designation denotes high quality. Margins of protection are ample although not so large as in the preceding group.

MOODY’S VARIABLE RATE DEMAND NOTES (VRDNs) AND TENDER OPTION BONDS (TOBs) RATINGS

Short-term ratings on issues with demand features are differentiated by the use of the VMIG symbol to reflect such characteristics as payment upon periodic demand rather than fixed maturity dates and payment relying on external liquidity. In this case, two ratings are usually assigned, (for example, Aaa/VMIG-1); the first representing an evaluation of the degree of risk associated with scheduled principal and interest payments, and the second representing an evaluation of the degree of risk associated with the demand feature. The VMIG rating can be assigned a 1 or 2 designation using the same definitions described above for the MIG rating.

MOODY’S COMMERCIAL PAPER (CP) RATINGS

Prime-1--Issuers rated Prime-1 (or supporting institutions) have a superior ability for repayment of senior short-term debt obligations. Prime-1 repayment ability will often be evidenced by many of the following characteristics: leading market positions in well established industries, high rates of return on funds employed, conservative capitalization 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.

Prime-2--Issuers rated Prime-2 (or supporting institutions) have a strong ability for repayment of senior short-term debt 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, will be more subject to variation. Capitalization characteristics, while still appropriate, may be more affected by external conditions. Ample alternate liquidity is maintained.

MOODY’S LONG-TERM DEBT RATINGS

Aaa-- Bonds and preferred stock 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 edged." 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 and preferred stock 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 risk appear somewhat larger than the Aaa securities.

A-- Bonds and preferred stock 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 some time in the future.

NR--Indicates that both the bonds and the obligor or credit enhancer are not currently rated by S&P or Moody’s with respect to short-term indebtedness. However, management considers them to be of comparable quality to securities rated A-1 or P-1.

NR(1)--The underlying issuer/obligor/guarantor has other outstanding debt rated AAA by S&P or Aaa by Moody’s.

NR(2)--The underlying issuer/obligor/guarantor has other outstanding debt rated AA by S&P or Aa by Moody’s.

NR(3)--The underlying issuer/obligor/guarantor has other outstanding debt rated A by S&P or Moody’s.

FITCH SHORT-TERM DEBT RATING DEFINITIONS

F-1--Indicates the strongest capacity for timely payment of financial commitments relative to other issuers or issues in the same country. Under their national rating scale, this rating is assigned to the "best" credit risk relative to all others in the same country and is normally assigned to all financial commitments issued or guaranteed by the sovereign state. Where the credit risk is particularly strong, a "+" is added to the assigned rating.

F-2-- Indicates a satisfactory capacity for timely payment of financial commitments relative to other issuers or issues in the same country. However, the margin of safety is not as great as in the case of the higher ratings.

F-3--Indicates an adequate capacity for timely payment of financial commitments relative to other issuers or issues in the same country. However, such capacity is more susceptible to near-term adverse changes than for financial commitments in higher rated categories.

Addresses

TAX-FREE INSTRUMENTS TRUST

Investment Shares

Institutional Service Shares

Federated Investors Funds

5800 Corporate Drive

Pittsburgh, PA 15237-7000

Distributor

Federated Securities Corp.

Federated Investors Tower

1001 Liberty Avenue

Pittsburgh, PA 15222-3779

Investment Adviser

Passport Research, Ltd.

Federated Investors Tower

1001 Liberty Avenue

Pittsburgh, PA 15222-3779

Custodian, Transfer Agent and Dividend Disbursing Agent

State Street Bank and Trust Company

P.O. Box 8600

Boston, MA 02266-8600

Transfer Agent and Dividend Disbursing Agent

Edward Jones & Company LLP

201 Progress Parkway

Maryland Heights, MO 63043

Independent Registered Public Accounting Firm

Ernst & Young LLP

200 Clarendon Street

Boston, MA 02116-5072

Appendix

The following is a list of persons other than the Adviser and its affiliates that have been approved to receive nonpublic portfolio holdings information concerning the Federated Fund Complex; however, certain persons below might not receive such information concerning the Fund:

CUSTODIAN

State Street Bank and Trust Company

SECURITIES LENDING AGENT

Citibank, N.A.

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Ernst & Young LLP

LEGAL COUNSEL

Dickstein Shapiro LLP

K&L Gates

Reed Smith LLP

SERVICE PROVIDERS

Aegon Institutional Markets

Astec Consulting Group, Inc.

Bank of America

BBH (Brown Brothers Harriman) Infomediary

Bloomberg L.P.

Charles River

Chicago Mercantile Exchange

Citibank, NA

Eagle Investment Company

Edward Jones

FactSet

Financial Models Company LTD

Glass Lewis & Co.

Institutional Shareholder Services, Inc.

Investment Technology Group, Inc. (Plexus)

Lehman Brothers

Lipper

Options Clearing Corp.

Risk Metrics

StatPro Group Plc

SunGard

Wachovia Bank, National Association/Metropolitan West Securities LLC

Wilshire Associates, Inc.

SECURITY PRICING SERVICES

FRI Corp.

FT Interactive Data

Investment Technology Group, Inc. (Plexus)

J J Kenny

JP Morgan Chase

Reuters

Thomson/ILX Systems

RATINGS AGENCIES

Fitch, Inc.

Moody’s Investors Service

Standard & Poor’s

Standard & Poor’s Fund Services

Standard & Poor’s Rating Services

PERFORMANCE REPORTING/PUBLICATIONS

Aegon Institutional Markets

Emerging Market Funds Research, Inc

Evaluation Associates, LLC

Fidelity Strategic Advisers

Fitch, Inc.

iMoneyNet, Inc.

Moody’s Investors Service

Morningstar Associates

MSCI Barra

NASDAQ

Standard & Poor’s

Standard & Poor’s Fund Services

Standard & Poor’s Rating Services

Thomson Financial Inc./Weisenberger

Vickers Stock Research  

OTHER

Investment Company Institute

Whitney Capital Group

Item 23.  Exhibits

(a)
1	Conformed copy of Amended and Restated Declaration of Trust of Registrant Restatement and Amendment Nos. 1-18	(35)
2	Amendment No. 19	(42)
3	Amendment No. 20	(43)
4	Amendment No. 21	(50)
5	Amendment No. 22	(55)
6	Amendment No. 23	(57)
7	Amendment No. 24	(58)
8	Amendment Nos. 25 and 26	(59)
9	Amendment Nos. 27 and 28	(62)

(b)
1	Copy of Amended and Restated By-Laws and Amendment Nos. 1-4	(35)
2	Amendment No. 5	(42)
3	Amendment No. 6	(46)
4	Amendment No. 7	(52)
5	Amendment No. 8	(59)
6	Amendment No. 9	(60)
7	Amendment No. 10	(65)

(c) Copy of Specimen Certificate for Shares of Beneficial Interest of the Registrant. (See Appendix) As of September 1, 1997, Federated Securities Corp. stopped issuing share certificates.

(d)
1	Conformed Copy of Amended and Restated Investment Advisory Contract Exhibits A-PP	(35)
2	Conformed copy of Amendment to the Investment Advisory Contract	(38)
3	Exhibit QQ	(44)
4	Exhibits RR-TT	(56)
5	Amendment #1 to Exhibit H	(58)
6	Amendment #1 to Exhibits T, U, V, AA, BB, CC, EE, GG, HH, JJ	(62)
7	Amendment #1 to Exhibit OO	(65)

(e)
1	Conformed Copy of Distributor’s Contract and Exhibits A-R	(35)
2	Exhibit S-W	(54)
3	Conformed copy of Amendment to the Distributor’s Contract	(38)
4	Conformed copy of Distributor’s Contract (Liberty U.S. Government Money Market Trust – Class B Shares)	(23)
5	The Registrant hereby incorporates the conformed copy of the specimen Mutual Funds Sales and Service Agreement; Mutual Funds Service Agreement; and Plan Trustee/ Mutual Funds Service Agreement from Item 24(b)(6) of the Cash Trust Series II Registration Statement on Form N-1A filed with the Commission on July 24, 1995. (File Nos. 33-38550 and 811-6269).
7	Conformed copy of Amendment to the Distributor’s Contract	(46)
8	Exhibits X-Y	(57)
9	Exhibit U	(58)
10	Exhibit Z	(62)
11	Exhibit AA and Exhibit K	(63)

(f) Not applicable

(g)
1	Conformed copy of Custodian Agreement	(8)
2	Conformed copy of Custodian Fee Schedule	(17)
3	Conformed copy of the Custody Agreement (Federated Capital Reserves Fund, Federated Government Reserves Fund and Federated Municipal Trust)and Conformed Copy of Custodian Contract between the Registrant and State Street Bank and Trust Company and Federated Services Company	(62)
5	Conformed copy of the Custody Agreement and Fund Accounting Agreement between Federated Capital Reserves Fund, Federated Government Reserves Fund, Federated Municipal Trust and the Bank of New York	(63)
6	Conformed copy of the Amendments to the Custodian Contract and Fund Accounting Agreement between The Bank of New York and Federated Capital Reserves Fund, Federated Government Reserves Fund, Federated Municipal Trust, Government Obligations Tax-Managed Fund, U.S. Treasury Cash Reserves and Automated Government Cash Reserves	(65)

(h)
1	Conformed copy of Principal Shareholder Services Agreement (Liberty U.S. Government Money Market Trust - Class B Shares)	(23)
2	Conformed copy of Shareholder Services Agreement (Liberty U.S Government Money Market Trust - Class B Shares)	(23)
3	The responses described in Item 23(e)(iv) are hereby incorporated reference.
4	The Registrant hereby incorporates the conformed copy of the Second Amended and Restated Services Agreement, with attached Schedule 1 Revised 6/30/04, from Item 23(h)(vii) of the Cash Trust Series, Inc. Registration Statement on Form N-1A, filed with the Commission on July 29, 2004. (File Nos. 33-29838 and 811-5843).
5	The Registrant hereby incorporates the conformed copy of the Financial Administration and Accounting Services Agreement, with attached Exhibit A revised 3/1/06, from Item (h)(viii) of the Federated Total Return Government Bond Fund Registration Statement on Form N-1A, filed with the Commission on April 26, 2006. (File Nos. 33-60411 and 811-07309)
6	The Registrant hereby incorporates by reference the conformed copy of the Agreement for Administrative Services, with Exhibit 1 and Amendments 1 and 2 attached, between Federated Administrative Services and the Registrant from Item 23(h)(iv) of the Federated Total Return Series, Inc. Registration Statement on Form N-1A, filed with the Commission on November 29, 2004. (File Nos. 33-50773 and 811-7155).
7	The Registrant hereby incorporates the conformed copy of the Transfer Agency and Service Agreement between the Federated Funds listed on Schedule A revised 3/1/06 and State Street Bank and Trust Company from Item 23(h)(ix)of the Federated Total Return Government Bond Fund Registration Statement on Form N-1A, filed with the Commission on April 26, 2006. (File Nos. 33-60411 and 811-07309).
8	The Registrant hereby incorporates by reference the conformed copy of Amendment No. 3 to the Agreement for Administrative Services between Federated Administrative Services Company and the Registrant dated June 1, 2005 form Item 23 (h)(ii) of the Cash Trust Series, Inc. Registration Statement on Form N-1A, filed with the Commission on July 27, 2005. (File Nos. 33-29838 and (811-5843);
9	The Registrant hereby incorporates the Copy of Schedule 1, revised 9/1/05, to the Second Amended and Restated Services Agreement, from Item h(ix) of the Federated Institutional Trust Registration Statement on Form N-1A, filed with the Commission on September 28, 2005. (File Nos. 33-54445 and 811-7193)
10	The Registrant hereby incorporates the Copy of Exhibit A, revised 9/1/05, to the Financial Administration and Accounting Services Agreement, from Item h(x) of the Federated Institutional Trust Registration Statement on Form N-1A, filed with the Commission on September 28, 2005. (File Nos. 33-54445 and 811-7193).
11	The Registrant hereby incorporates the Copy of Exhibit A, revised 6/1/05, to the Transfer Agency and Services Agreement between the Federated Funds and State Street Bank and Trust Company, from Item h(xi) of the Federated Institutional Trust Registration Statement on Form N-1A, filed with the Commission on September 28, 2005. (File Nos. 33-54445 and 811-7193).
12	Conformed copy of Agreement for Administrative Services between Registrant and Federated Administrative Services;	(62)
13	Conformed copy of Agreement for Administrative Services, with Exhibit 1 and Amendments 1 through 4 attached, between Registrant and Federated Administrative Services	(65)

(i) Conformed copy of Opinion and Consent of Counsel as to legality of shares being registered (12)

(j)	Conformed copy of Consent of Ernst & Young LLP for the following funds:
1	Automated Government Cash Reserves; Automated Treasury Cash Reserves; U.S. Treasury Cash Reserves;	(61)
	Tax Free Instruments Trust	(+)
	California Municipal Cash Trust; Alabama Municipal Cash Trust; Arizona Municipal Cash Trust; Connecticut Municipal Cash Trust; Florida Municipal Cash Trust; Georgia Municipal Cash Trust; Maryland Municipal Cash Trust; Massachusetts Municipal Cash Trust; Michigan Municipal Cash Trust; Minnesota Municipal Cash Trust; New Jersey Municipal Cash Trust; New York Municipal Cash Trust; North Carolina Municipal Cash Trust; Ohio Municipal Cash Trust; Pennsylvania Municipal Cash Trust; Virginia Municipal Cash Trust; Federated Tax-Free Trust	(66)
	Automated Government Money Trust, Trust for U.S. Treasury Obligations, Liberty U.S. Government Money Market Trust, Federated Short-Term U.S. Government Trust, Automated Cash Management Trust, Federated Master Trust, Liquid Cash Trust, Federated Capital Reserves Fund, Federated Government Reserves Fund; Federated Municipal Trust	(63)
2	Conformed copy of Consent of Deloitte & Touche LLP for:  Government Obligations Fund; Government Obligations Tax-Managed Fund; Municipal Obligations Fund; Prime Cash Obligations Fund; Prime Management Obligations Fund; Prime Obligations Fund; Prime Value Obligations Fund; Tax-Free Obligations Fund; Treasury Obligations Fund	(63)
3	Conformed copy of Consent of KPMG LLP for: Government Obligations Fund; Government Obligations Tax-Managed Fund; Municipal Obligations Fund; Prime Cash Obligations Fund; Prime Management Obligations Fund; Prime Obligations Fund; Prime Value Obligations Fund; Tax-Free Obligations Fund; Treasury Obligations Fund	(63)
4	Conformed Copy of Consent Ernst & Young for Money Market Management;	(64)
5	Automated Government Cash Reserves; U.S. Treasury Cash Reserves;	(68)

(k) Not Applicable

(l) Conformed copy of Initial Capital Understanding (12)

(m)
1	Conformed copy of Distribution Plan and Exhibits A-I	(53)
2	Exhibits J-K	(55)
3	The responses described in Item 23(e)(iv) are hereby incorporated by reference.
4	Exhibit L	(57)
5	Exhibit K	(58)
6	Exhibit M	(62)

- -  

(n)
1	The Registrant hereby incorporates the Copy of the Multiple Class Plan and attached Exhibits from Item (n) of the Federated Short-Term Municipal Trust Registration Statement on Form N-1A, filed with the Commission on August 28, 2006. (File Nos. 2-72277 and 811-3181).
2	Conformed copy of Multiple Class Plan of the Registrant, with attached exhibits for each class of Shares;	(62)
3	Conformed copy of Multiple Class Plan of the Registrant, with attached exhibits for Class A Shares, Class B Shares, and Class C Shares;	(63)

(o)	Conformed copy of Power of Attorney of the Registrant
1	Conformed copy of Power of Attorney of the Registrant  and Power of Attorney of Chief Investment Officer	(23)
2	Power of Attorney of Treasurer	(18)
4	Power of Attorney of Trustee	(26)
5	Power of Attorney of Treasurer	(59)
6	Power of Attorney of Trustee James F. Will	(60)
7	Power of Attorney of Trustee Thomas O’Neill	(62)
8	Power of Attorney of Trustee R. James Nicholson	(68)

(p)
1	Copy of the Code of Ethics for Access Persons	(67)

+ Exhibit is being filed electronically with registration statement; indicate by footnote

	ALL RESPONSES ARE INCORPORATED BY REFERENCE TO A POST-EFFECTIVE AMENDMENT (PEA) OF THE REGISTRANT FILED ON FORM N-1A (FILE NOS. 33-31602 and 811-5950)
1	Initial Registration Statement filed October 20, 1989
8	PEA No. 8 filed June 1, 1994
12	PEA No. 16 filed September 29, 1995
17	PEA No. 24 filed September 28, 1998
18	PEA No. 25 filed February 12, 1999
21	PEA No. 33 filed August 27, 1999
23	PEA No. 36 filed October 29, 1999
24	PEA No. 37 filed November 17, 1999
26	PEA No. 39 filed February 25, 2000
30	PEA No. 46 filed September 28, 2000
31	PEA No. 47 filed December 14, 2000
32	PEA No. 48 filed December 26, 2000
35	PEA No. 51 filed May 29, 2001
36	PEA No. 52 filed June 25, 2001
37	PEA No. 53 filed September 14, 2001
38	PEA No. 54 filed September 28, 2001
39	PEA No. 56 filed May 28, 2002
40	PEA No. 57 filed on June 28, 2002
41	PEA No. 58 filed on September 30, 2002
42	PEA No. 59 filed on December 20, 2002
43	PEA No. 62 filed on May 30, 2003
44	PEA No. 63 filed on June 30, 2003
45	PEA No. 64 filed on September 30, 2003
46	PEA No. 65 filed on December 30, 2003
47	PEA No. 66 filed on February 26, 2004
48	PEA No. 67 filed on May 27, 2004
49	PEA No. 68 filed on June 29, 2004
50	PEA No. 69 filed on June 29, 2004
51	PEA No. 70 filed on September 29, 2004
52	PEA No. 73 filed on December 3, 2004
53	PEA No. 74 filed on December 30, 2004
54	PEA No. 77 filed on February 25, 2005
55	PEA No. 79 filed on May 2, 2005
56	PEA No. 80 filed on May 27, 2005
57	PEA No. 81 filed on June 28, 2005
58	PEA No. 82 filed on September 30, 2005
59	PEA No. 83 filed on February 27, 2006
60	PEA No. 84 filed on May 26, 2006
61	PEA No. 86 filed on September 29, 2006
62	PEA No. 87 filed on February 27, 2007
63	PEA No. 91 filed on September 28, 2007
64	PEA No. 92 filed on October 19, 2007
65	PEA No. 96 filed on December 17, 2007
66	PEA No. 96 filed on February 29, 2008
67	PEA No. 98 filed on May 23, 2008
68	PEA No. 99 filed on June 27, 2008

Item 24  Persons Controlled by or Under Common Control with the Fund:

None

Item 25  Indemnification

(1)

Item 26  Business and Other Connections of Investment Adviser:
For a description of the other business of the Investment Adviser, see the section entitled “Who Manages the Fund?” in Part A. The affiliations with the Registrant of one of the Trustees and two of the Officers of the Investment Adviser are included in Part B of this Registration Statement under "Who Manages and Provides Services to the Fund?"  The remaining Trustees of the Investment Adviser and, in parentheses, their principal occupations are:  Thomas R. Donahue, (Chief Financial Officer, Federated Investors, Inc.), 1001 Liberty Avenue, Pittsburgh, PA, 15222-3779, John B. Fisher, (Vice Chairman, Federated Investors, Inc.) 1001 Liberty Avenue, Pittsburgh, PA, 15222-3779 and Mark D. Olson (a principal of the firm, Mark D. Olson & Company, L.L.C. and Partner, Wilson, Halbrook & Bayard, P.A.), 800 Delaware Avenue, P.O. Box 2305, Wilmington, DE  19899-2305.  The business address of each of the Officers of the Investment Adviser is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, Pennsylvania 15222-3779.  These individuals are also officers of a majority of the Investment Advisers to the investment companies in the Federated Fund Complex described in Part B of this Registration Statement.
The remaining Officers of the Investment Adviser are:
President/ Chief Executive Officer:	John B. Fisher
Vice Chairman:	William D. Dawson, III
Senior Vice Presidents:	Todd Abraham J. Scott Albrecht Joseph M. Balestrino Randall S. Bauer Jonathan C. Conley Deborah A. Cunningham Mark E. Durbiano Donald T. Ellenberger Susan R. Hill Robert M. Kowit Jeffrey A. Kozemchak Mary Jo Ochson Robert J. Ostrowski Ihab Salib Paige Wilhelm
Vice Presidents:	G. Andrew Bonnewell Hanan Callas Jerome Conner James R. Crea, Jr. Karol Crummie Lee R. Cunningham, II B. Anthony Delserone, Jr. William Ehling Eamonn G. Folan Richard J. Gallo John T. Gentry Kathryn P. Glass Patricia L. Heagy William R. Jamison Nathan H. Kehm John C. Kerber J. Andrew Kirschler Marian R. Marinack Kevin McClosky Natalie F. Metz Thomas J. Mitchell Joseph M. Natoli Bob Nolte Mary Kay Pavuk Jeffrey A. Petro John Polinski Rae Ann Rice Brian Ruffner Roberto Sanchez-Dahl, Sr. John Sidawi Michael W. Sirianni, Jr. Christopher Smith Kyle Stewart Mary Ellen Tesla Timothy G. Trebilcock Paolo H. Valle Stephen J. Wagner Mark Weiss George B. Wright
Assistant Vice Presidents:	Jason DeVito Bryan Dingle Timothy Gannon James Grant Ann Kruczek Tracey L. Lusk Ann Manley Keith Michaud Karl Mocharko Joseph Mycka Nick Navari Gene Neavin Liam O’Connell Nicholas S. Tripodes
Secretary:	G. Andrew Bonnewell
Treasurer:	Thomas R. Donahue
Assistant Treasurer:	Denis McAuley, III

Item 27  Principal Underwriters:
(a)	Federated Securities Corp., the Distributor for shares of the Registrant, acts as principal underwriter for the following open-end investment companies, including the Registrant:
	Cash Trust Series, Inc.
	Cash Trust Series II
	Federated Adjustable Rate Securities Fund
	Federated American Leaders Fund, Inc.
	Federated Core Trust
	Federated Core Trust II, L.P.
	Federated Equity Funds
	Federated Equity Income Fund, Inc.
	Federated Fixed Income Securities, Inc.
	Federated GNMA Trust
	Federated Government Income Securities, Inc.
	Federated High Income Bond Fund, Inc.
	Federated High Yield Trust
	Federated Income Securities Trust
	Federated Income Trust
	Federated Index Trust
	Federated Institutional Trust
	Federated Insurance Series
	Federated Intermediate Government Fund, Inc.
	Federated International Series, Inc.
	Federated Investment Series Funds, Inc.
	Federated Managed Allocation Portfolios
	Federated Managed Pool Series
	Federated MDT Series
	Federated Municipal Securities Fund, Inc.
	Federated Municipal Securities Income Trust
	Federated Premier Intermediate Municipal Income Fund
	Federated Premier Municipal Income Fund
	Federated Short-Intermediate Duration Municipal Trust
	Federated Stock and Bond Fund, Inc.
	Federated Stock Trust
	Federated Total Return Government Bond Fund
	Federated Total Return Series, Inc.
	Federated U.S. Government Bond Fund
	Federated U.S. Government Securities Fund: 1-3 Years
	Federated U.S. Government Securities Fund: 2-5 Years
	Federated World Investment Series, Inc.
	Intermediate Municipal Trust
	Edward Jones Money Market Fund
	Money Market Obligations Trust
(b)	The business address of each of the Officers of Federated Securities Corp. is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, Pennsylvania 15222-3779.
(1) Positions and Offices With Distributor		(2) Name	(3) Positions and Offices With Registrant
Chairman:		Richard B. Fisher	Vice President
Executive Vice Vice President, Assistant Secretary and Director:		Thomas R. Donahue
President and Director:		Thomas E. Territ
Vice President and Director:		Peter J. Germain
Treasurer and Director:		Denis McAuley III
Senior Vice Presidents:		Michael Bappert Marc Benacci Richard W. Boyd Bryan Burke Charles L. Davis, Jr. Laura M. Deger Peter W. Eisenbrandt Theodore Fadool, Jr. Bruce Hastings James M. Heaton Harry J. Kennedy Michael Koenig Anne H. Kruczek Amy Michaliszyn Richard C. Mihm Keith Nixon Rich Paulson Solon A. Person, IV Chris Prado Brian S. Ronayne Colin B. Starks F. Andrew Thinnes Robert F. Tousignant William C. Tustin Paul Uhlman
Vice Presidents:		Irving Anderson Dan Berry John B. Bohnet Edward R. Bozek Edwin J. Brooks, III Jane E. Broeren-Lambesis Daniel Brown Mark Carroll Dan Casey Scott Charlton Steven R. Cohen James Conely Kevin J. Crenny G. Michael Cullen Beth C. Dell Ron Dorman Donald C. Edwards Timothy Franklin Jamie Getz Scott Gundersen Peter Gustini Dayna C. Haferkamp Raymond J. Hanley Vincent L. Harper, Jr. Jeffrey S. Jones Ed Koontz Christopher A. Layton Michael H. Liss Michael R. Manning Michael Marcin Martin J. McCaffrey Mary A. McCaffrey Joseph McGinley Vincent T. Morrow Doris T. Muller Alec H. Neilly Rebecca Nelson John A. O’Neill James E. Ostrowski Stephen Otto Mark Patsy Robert F. Phillips Josh Rasmussen Richard A. Recker Ronald Reich Christopher Renwick Diane M. Robinson Timothy A. Rosewicz Thomas S. Schinabeck Edward J. Segura Peter Siconolfi Edward L. Smith John A. Staley Jack L. Streich Mark Strubel Michael Vahl David Wasik G. Walter Whalen Stephen White Lewis Williams Edward J. Wojnarowski Michael P. Wolff Erik Zettlemayer Paul Zuber
Assistant Vice Presidents:		Robert W. Bauman Chris Jackson William Rose
Secretary:		C. Todd Gibson
Assistant Treasurer:		Lori A. Hensler Richard A. Novak
(c)	Not applicable

Item 28  Location of Accounts and Records:
All accounts and records required to be maintained by Section 31(a) of the Investment Company Act of 1940 and Rules 31a-1 through 31a-3 promulgated thereunder are maintained at one of the following locations:
Registrant	Reed Smith LLP Investment Management Group (IMG) Federated Investors Tower 12th Floor 1001 Liberty Avenue Pittsburgh, PA  15222-3779 (Notices should be sent to the Agent for Service at above address) Federated Investors Funds 5800 Corporate Drive Pittsburgh, PA  15237
State Street Bank and Trust Company (“Transfer Agent, Dividend Disbursing Agent” and “Custodian”)	P.O. Box 8600 Boston, MA  02266-8600
Bank of New York (“Custodian for Federated Capital Reserves Fund, Federated Government Reserves Fund and Federated Municipal Trust”)	One Wall Street New York, NY  10286
Federated Services Company ("Administrator")	Federated Investors Tower 1001 Liberty Avenue Pittsburgh, PA  15222-3779
Federated Investment Management Company ("Adviser")	Federated Investors Tower 1001 Liberty Avenue Pittsburgh, PA  15222-3779

Item 29 Management Services:  Not applicable.

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Item 30  Undertakings:

Registrant hereby undertakes to comply with the provisions of Section 16(c) of the 1940 Act with respect to the removal of Trustees and the calling of special shareholder meetings by shareholders.

-  -

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant, Money Market Obligations Trust certifies that it meets all of the requirements for effectiveness of this Amendment to its Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this Amendment to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Pittsburgh and Commonwealth of Pennsylvania, on the 28th day of July, 2008.

MONEY MARKET OBLIGATIONS TRUST

BY:  /s/ George F. Magera

George F. Magera, Assistant Secretary

Pursuant to the requirements of the Securities Act of 1933, this Amendment to its Registration Statement has been signed below by the following person in the capacity and on the date indicated:

NAME	TITLE	DATE
BY:  /s/ George F. Magera George F. Magera, Assistant Secretary	Attorney In Fact For the Persons Listed Below	July 28, 2008
John F. Donahue *	Trustee
J. Christopher Donahue *	President and Trustee (Principal Executive Officer)
Richard A. Novak*	Treasurer (Principal Financial Officer)
Thomas G. Bigley*	Trustee
John T. Conroy, Jr.*	Trustee
Nicholas P. Constantakis*	Trustee
John F. Cunningham*	Trustee
Peter E. Madden*	Trustee
Charles F. Mansfield, Jr.*	Trustee
John E. Murray, Jr., J.D., S.J.D.*	Trustee
R. James Nicholson*	Trustee
Thomas O’Neill*	Trustee
Marjorie P. Smuts*	Trustee
John S. Walsh*	Trustee
James F. Will*	Trustee
*By Power of Attorney

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Appendix

Copy of Specimen Certificate for Shares of Beneficial Interest of:

(i) Alabama Municipal Cash Trust; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(ii) Arizona Municipal Cash Trust; (Response is incorporated by reference to Post-Effective Amendment No. 46 on Form N-1A filed on March 16, 1998.  File Nos. 33-31259 and 811-5911).

(iii) Automated Cash Management Trust - Institutional Service Shares and Cash II Shares; (Response is incorporated by reference to Post-Effective Amendment No. 8 on Form N-1A filed June 1, 1994.  File Nos. 33-31602 and 811-5950).

(iv) Automated Government Money Trust; (Response is incorporated by reference to Initial Registration Statement on Form N-1 filed on May 28, 1982.  File Nos. 2-77822 and 811-3475).

(v) California Municipal Cash Trust - Institutional Shares and Institutional Service Shares; (Response is incorporated by reference to Post-Effective Amendment No. 45 on Form N-1A filed on December 19, 1997.  File Nos. 33-31259 and 811-5911).

(vi) Connecticut Municipal Cash Trust; (Response is incorporated by reference to Pre-Effective Amendment No. 1 on Form N-1A filed on October 31, 1989.  File Nos. 33-31259 and 811-5911).

(vii) Federated Master Trust; (Response is incorporated by reference to Post-Effective Amendment No. 39 on Form N-1A filed January 23, 1996.  File Nos. 2-60111 and 811-2784).

(viii) Federated Short-Term U.S. Government Trust; (Response is incorporated by reference to Post-Effective Amendment No. 1 on Form N-1A filed October 22, 1987.  File Nos. 33-12322 and 811-5035).

(ix) Federated Tax-Free Trust; (Response is incorporated by reference to Initial Registration Statement on Form S-5 filed December 27, 1978.  File Nos. 2-63343 and 811-2891).

(x) Florida Municipal Cash Trust; (Response is incorporated by reference to Post-Effective Amendment No. 30 on Form N-1A filed on September 19, 1994.  File Nos. 33-31259 and 811-5911).

(xi) Georgia Municipal Cash Trust; (Response is incorporated by reference to Post-Effective Amendment No. 36 on Form N-1A filed on May 31, 1995.  File Nos. 33-31259 and 811-5911).

(xii) Liberty U.S. Government Money Market Trust; (Response is incorporated by reference to Post-Effective Amendment No. 35 on Form N-1A filed April 25, 1996.  File Nos. 2-65447 and 811-2956).

(xiii) Liquid Cash Trust; (Response is incorporated by reference to Pre-Effective Amendment No. 3 on Form N-1A filed December 8, 1980.  File Nos. 2-67655 and 811-3057).

(xiv) Maryland Municipal Cash Trust; (Response is incorporated by reference to Post-Effective Amendment No. 22 on Form N-1A filed on March 2, 1994.  File Nos. 33-31259 and 811-5911).

(xv) Massachusetts Municipal Cash Trust - Institutional Service Shares and BayFunds Shares; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(xvi) Michigan Municipal Cash Trust - Institutional Shares and Institutional Service Shares; (Response is incorporated by reference to Post-Effective Amendment No. 45 on Form N-1A filed on December 19, 1997.  File Nos. 33-31259 and 811-5911).

(xvii) Minnesota Municipal Cash Trust - Institutional Shares and Cash Series Shares; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(xviii) New Jersey Municipal Cash Trust - Institutional Shares and Institutional Service Shares; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(xix) North Carolina Municipal Cash Trust; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(xx) Ohio Municipal Cash Trust - Institutional Shares and Institutional Service Shares; (Response is incorporated by reference to Post-Effective Amendment No. 45 on Form N-1A filed on December 19, 1997.  File Nos. 33-31259 and 811-5911).

(xxi) Ohio Municipal Cash Trust - Cash II Shares; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(xxii) Pennsylvania Municipal Cash Trust - Institutional Shares; (Response is incorporated by reference to Post-Effective Amendment No. 35 on Form N-1A filed on May 19, 1995.  File Nos. 33-31259 and 811-5911).

(xxiii) Pennsylvania Municipal Cash Trust - Institutional Service Shares and Cash Series Shares; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(xxiv) Tennessee Municipal Cash Trust - Institutional Shares and Institutional Service Shares; (Response is incorporated by reference to Post-Effective Amendment No. 42 on Form N-1A filed on February 29, 1996.  File Nos. 33-31259 and 811-5911).

(xxv) Treasury Obligations Fund - Institutional Capital Shares; (Response is incorporated by reference to Post-Effective Amendment No. 22 on Form N-1A filed September 23, 1997.  File Nos. 33-31602 and 811-5950).

(xxvi) Trust for Government Cash Reserves; (Response is incorporated by reference to Pre-Effective Amendment No. 1 on Form N-1A filed March 23, 1989. File Nos. 33-27178 and 811-5772).

(xxvii) Trust for Short-Term U.S. Government Securities; (Response is incorporated by reference to Post-Effective Amendment No. 53 on Form N-1A filed January 23, 1995.  File Nos. 2-54929 and 811-2602).

(xxviii) Trust for U.S. Treasury Obligations; (Response is incorporated by reference to Post-Effective Amendment No. 27 on Form N-1A filed November 27, 1994.  File Nos. 2-49591 and 811-2430).

(xxix) Virginia Municipal Cash Trust - Institutional Shares and Institutional Service Shares; (Response is incorporated by reference to Post-Effective Amendment No. 21 on Form N-1A filed on December 29, 1993.  File Nos. 33-31259 and 811-5911).

(xxx) Liberty U.S. Government Money Market Trust and Liquid Cash; (Response is incorporated by reference to Post-Effective Amendment No 41 on Form N-1A filed on May 25, 2000. File Nos. 33-31602 and 811-5950).

(xxxi) Liberty U.S. Government Money Market Trust (Response is incorporated by reference to Post-Effective Amendment No. 41 on Form N-1A filed on May 25, 2000. File Nos. 33-31602 and 811-5950).

(xxxii) Liquid Cash Trust (Response is incorporated by reference to Post-Effective Amendment No. 41 on Form N-1A filed on May 25, 2000. File Nos. 33-31602 and 811-5950).