SEI CASH & PLUS TRUST
485BPOS, 1996-03-21
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<PAGE>   1



   
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 21, 1996
    

                                                                FILE NO. 2-77048
                                                               FILE NO. 811-3451
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM N-1A
                        REGISTRATION STATEMENT UNDER THE
                             SECURITIES ACT OF 1933                          / /
   
                        POST-EFFECTIVE AMENDMENT NO. 35                      /x/
    
                                      AND

                        REGISTRATION STATEMENT UNDER THE
                         INVESTMENT COMPANY ACT OF 1940                      / /
   
                                AMENDMENT NO. 34
    
                                                                             /x/
                             SEI DAILY INCOME TRUST
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)

                               C/O CT CORPORATION
                                2 OLIVER STREET
                          BOSTON, MASSACHUSETTS 02109
              (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE (800) 342-5734

                                  DAVID G. LEE
                              C/O SEI CORPORATION
                             680 E. SWEDESFORD ROAD
                           WAYNE, PENNSYLVANIA 19087
                    (NAME AND ADDRESS OF AGENT FOR SERVICE)

                                    COPY TO:
                           RICHARD W. GRANT, ESQUIRE
                          MORGAN, LEWIS & BOCKIUS LLP
                             2000 ONE LOGAN SQUARE
                        PHILADELPHIA, PENNSYLVANIA 19103

       IT IS PROPOSED THAT THIS FILING BECOME EFFECTIVE (CHECK APPROPRIATE BOX)
   
             / / IMMEDIATELY UPON FILING PURSUANT TO PARAGRAPH (b)
    
   
             /x/ ON MARCH 28, 1996 PURSUANT TO PARAGRAPH (b)
    
             / / 60 DAYS AFTER FILING PURSUANT TO PARAGRAPH (a)
             / / ON (DATE) PURSUANT TO PARAGRAPH (a) OF RULE 485
- --------------------------------------------------------------------------------
     Registrant filed a Notice pursuant to Rule 24f-2 under the Investment
 Company Act of 1940, as amended, on March 27, 1995 for its fiscal year ended
 January 31, 1995.
================================================================================
<PAGE>   2
                                SEI DAILY INCOME

                             CROSS REFERENCE SHEET

PART A--MONEY MARKET PORTFOLIOS (MONEY MARKET PORTFOLIO, PRIME OBLIGATION
PORTFOLIO, GOVERNMENT PORTFOLIO, GOVERNMENT II PORTFOLIO, TREASURY PORTFOLIO,
TREASURY II PORTFOLIO AND FEDERAL SECURITIES PORTFOLIO)

<TABLE>
<CAPTION>
N-1A ITEM NO.                                                                LOCATION
- -------------                                                                --------
   <S>         <C>                                                           <C>
   Item 1.     Cover page . . . . . . . . . . . . . . . . . . . . . . .      Cover Page
   Item 2.     Synopsis . . . . . . . . . . . . . . . . . . . . . . . .      Annual Operating Expenses
   Item 3.     Condensed Financial Information  . . . . . . . . . . . .      Financial Highlights
   Item 4.     General Description of Registrant  . . . . . . . . . . .      The Trust; Investment Objective and Policies
   Item 5.     Management of the Fund . . . . . . . . . . . . . . . . .      Trustees of the Trust; The Manager and Shareholder
                                                                               Servicing Agent; The Adviser
   Item 5A.    Management's Discussion of Fund Performance  . . . . . .      *
   Item 6.     Capital Stock and Other Securities . . . . . . . . . . .      Voting Rights, Shareholder Inquiries; Dividends; Taxes
   Item 7.     Purchase of Securities Being Offered . . . . . . . . . .      Purchase and Redemption of Shares
   Item 8.     Redemption or Repurchase . . . . . . . . . . . . . . . .      Purchase and Redemption of Shares
   Item 9.     Pending Legal Proceedings  . . . . . . . . . . . . . . .      *
</TABLE>

PART A--FIXED INCOME PORTFOLIOS (CORPORATE DAILY INCOME PORTFOLIO, GOVERNMENT
SECURITIES DAILY INCOME PORTFOLIO, SHORT-TERM MORTGAGE PORTFOLIO, SHORT
DURATION MORTGAGE PORTFOLIO, SHORT-TERM GOVERNMENT PORTFOLIO, INTERMEDIATE-TERM
GOVERNMENT PORTFOLIO AND GNMA PORTFOLIO)

<TABLE>
<CAPTION>
N-1A ITEM NO.                                                                LOCATION
- -------------                                                                --------
   <S>         <C>                                                           <C>
   Item 1.     Cover page . . . . . . . . . . . . . . . . . . . . . . .      Cover Page
   Item 2.     Synopsis . . . . . . . . . . . . . . . . . . . . . . . .      Annual Operating Expenses
   Item 3.     Condensed Financial Information  . . . . . . . . . . . .      Financial Highlights
   Item 4.     General Description of Registrant  . . . . . . . . . . .      The Trust; Investment Objective and Policies
   Item 5.     Management of the Fund . . . . . . . . . . . . . . . . .      Trustees of the Trust; The Manager and Shareholder
                                                                               Servicing Agent; The Adviser
   Item 5A.    Management's Discussion of Fund Performance  . . . . . .      **
   Item 6.     Capital Stock and Other Securities . . . . . . . . . . .      Voting Rights, Shareholder Inquiries; Dividends; Taxes
   Item 7.     Purchase of Securities Being Offered . . . . . . . . . .      Purchase and Redemption of Shares
   Item 8.     Redemption or Repurchase . . . . . . . . . . . . . . . .      Purchase and Redemption of Shares
   Item 9.     Pending Legal Proceedings  . . . . . . . . . . . . . . .      *
</TABLE>

<PAGE>   3
PART A-- CLASS D SHARES (CORPORATE DAILY INCOME PORTFOLIO, SHORT-TERM
GOVERNMENT PORTFOLIO, INTERMEDIATE-TERM GOVERNMENT PORTFOLIO AND GNMA
PORTFOLIO)

<TABLE>
<CAPTION>
N-1A ITEM NO.                                                                Location
- -------------                                                                --------
   <S>         <C>                                                           <C>
   Item 1.     Cover page . . . . . . . . . . . . . . . . . . . . . . .      Cover Page
   Item 2.     Synopsis . . . . . . . . . . . . . . . . . . . . . . . .      Annual Operating Expenses
   Item 3.     Condensed Financial Information  . . . . . . . . . . . .      Financial Highlights
   Item 4.     General Description of Registrant  . . . . . . . . . . .      The Trust; Investment Objective and Policies
   Item 5.     Management of the Fund . . . . . . . . . . . . . . . . .      Trustees of the Trust; The Manager; The Adviser and the
                                                                               Custodian
   Item 5A.    Management's Discussion of Fund Performance  . . . . . .      **
   Item 6.     Capital Stock and Other Securities . . . . . . . . . . .      Voting Rights, Shareholder Inquiries; Dividends; Taxes
   Item 7.     Purchase of Securities Being Offered . . . . . . . . . .      Purchase and Redemption of Shares
   Item 8.     Redemption or Repurchase . . . . . . . . . . . . . . . .      Purchase and Redemption of Shares
   Item 9.     Pending Legal Proceedings  . . . . . . . . . . . . . . .      *
</TABLE>

   
PART A - CLASS G SHARES (GOVERNMENT PORTFOLIO)
    

   
<TABLE>
<CAPTION>
N-1A ITEM NO.                                                                LOCATION
- -------------                                                                --------
   <S>         <C>                                                           <C>
   Item 1.     Cover page . . . . . . . . . . . . . . . . . . . . . . .      Cover Page
   Item 2.     Synopsis . . . . . . . . . . . . . . . . . . . . . . . .      Annual Operating Expenses
   Item 3.     Condensed Financial Information  . . . . . . . . . . . .      Financial Highlights
   Item 4.     General Description of Registrant  . . . . . . . . . . .      The Trust; Investment Objective and Policies
   Item 5.     Management of the Fund . . . . . . . . . . . . . . . . .      Trustees of the Trust; The Manager; The Adviser and the
                                                                               Custodian
   Item 5A.    Management's Discussion of Fund Performance  . . . . . .      **
   Item 6.     Capital Stock and Other Securities . . . . . . . . . . .      Voting Rights, Shareholder Inquiries; Dividends; Taxes
   Item 7.     Purchase of Securities Being Offered . . . . . . . . . .      Purchase and Redemption of Shares
   Item 8.     Redemption or Repurchase . . . . . . . . . . . . . . . .      Purchase and Redemption of Shares
   Item 9.     Pending Legal Proceedings  . . . . . . . . . . . . . . .      *
</TABLE>
    


PART B--ALL PORTFOLIOS

<TABLE>
<CAPTION>
N-1A ITEM NO.                                                                LOCATION
- -------------                                                                --------
   <S>         <C>                                                           <C>
   Item 10.    Cover Page . . . . . . . . . . . . . . . . . . . . . . .      Cover Page
   Item 11.    Table of Contents  . . . . . . . . . . . . . . . . . . .      Table of Contents
   Item 12.    General Information and History  . . . . . . . . . . . .      The Trust
   Item 13.    Investment Objectives and Policies . . . . . . . . . . .      Description of Permitted Investments; Investment
                                                                               Limitations
</TABLE>
<PAGE>   4
<TABLE>
   <S>         <C>                                                         <C>
   Item 14.    Management of the Registrant . . . . . . . . . . . . . .      Trustees and Officers of the Trust (Prospectus); The
                                                                               Manager and Shareholder Servicing Agent; The Adviser
   Item 15.    Control Persons and Principal Holders
                of Securities . . . . . . . . . . . . . . . . . . . . .      5% Shareholders; Trustees and Officers of the Trust
   Item 16.    Investment Advisory and Other Services . . . . . . . . .      The Adviser; The Manager and Shareholder Servicing
                                                                               Agent; Distribution; Experts
   Item 17.    Brokerage Allocation . . . . . . . . . . . . . . . . . .      Portfolio Transactions
   Item 18.    Capital Stock and Other Securities . . . . . . . . . . .      Description of Shares
   Item 19.    Purchase, Redemption, and Pricing of Securities
                 Being Offered  . . . . . . . . . . . . . . . . . . . .      Purchase and Redemption of Shares (Prospectus);
                                                                               Determination of Net Asset Value
   Item 20.    Tax Status . . . . . . . . . . . . . . . . . . . . . . .      Taxes (Prospectus); Tax
   Item 21.    Underwriters . . . . . . . . . . . . . . . . . . . . . .      Distribution
   Item 22.    Calculation of Performance Data  . . . . . . . . . . . .      Performance
   Item 23.    Financial Statements . . . . . . . . . . . . . . . . . .      Financial Statements
</TABLE>

PART C - Information required to be included in Part C is set forth under the
appropriate Item, so numbered, in Part C of this Registration Statement.

- ------------------------------------
*  Not Applicable
** To be included in the Annual Report for the fiscal year ending January 31,
   1995.
<PAGE>   5
The Prospectus for the Money Market Portfolio, Prime Obligation Portfolio,
Government Portfolio, Government II Portfolio, Treasury Portfolio, Treasury II
Portfolio and Federal Securities Portfolio, included as part of Post-Effective
Amendment No. 33 to the Registrant's Registration Statement on Form N-1A (File
No. 2-77048), filed with the Securities and Exchange Commission on March 31,
1995 pursuant to Rule 485(a) under the Securities Act of 1933, as amended (the
"1933 Act") and in final form under Rule 497(c) on June 2, 1995, as
supplemented under Rule 497(e) on August 4, 1995, is hereby incorporated by
reference as if set forth in full herein.

The Prospectus for the Corporate Daily Income Portfolio, Government Securities
Daily Income Portfolio, Short-Term Mortgage Portfolio, Short Duration Mortgage
Portfolio, Short-Term Government Portfolio, Intermediate-Term Government
Portfolio and GNMA Portfolio is included as part of Post-Effective Amendment
No. 33 to the Registrant's Registration Statement on Form N-1A (File No.
2-77048), filed with the Securities and Exchange Commission on March 31, 1995
pursuant to Rule 485(a) under the 1933 Act and in final form under Rule 497(c)
on June 2, 1995, is hereby incorporated by reference as if set forth in full
herein.

The Prospectus for the Class D Shares of the Corporate Daily Income Portfolio,
Short-Term Government Portfolio, Intermediate-Term Government Portfolio and
GNMA Portfolio is included as part of Post-Effective Amendment No. 33 to the
Registrant's Registration Statement on Form N-1A (File No. 2-77048), filed with
the Securities and Exchange Commission on March 31, 1995 pursuant to Rule
485(a) under the 1933 Act and in final form under Rule 497(c) on June 2, 1995,
is hereby incorporated by reference as if set forth in full herein.

The Statement of Additional Information for the Money Market Portfolio, Prime
obligation Portfolio, Government Portfolio, Government II Portfolio, Treasury
Portfolio, Treasury II Portfolio, Federal Securities Portfolio, Corporate Daily
Income Portfolio, Government Securities Daily Income Portfolio, Short-Term
Mortgage Portfolio, Short Duration Mortgage Portfolio, Short-Term Government
Portfolio, Intermediate-Term Government Portfolio and GNMA Portfolio, included
as part of Post-Effective Amendment No. 33 to the Registrant's Registration
Statement on Form N-1A (File No. 2-77048), filed with the Securities and
Exchange Commission on March 31, 1995 pursuant to Rule 485(a) under the 1933
Act and in final form under Rule 497(c) on June 2, 1995, as supplemented under
Rule 497(e) on August 4, 1995, is hereby incorporated by reference as if set
forth in full herein.
<PAGE>   6
 
SEI DAILY INCOME TRUST
   
APRIL 1, 1996
    
- --------------------------------------------------------------------------------
   
GOVERNMENT PORTFOLIO
    
   
- --------------------------------------------------------------------------------
    
 
Please read this Prospectus carefully before investing, and keep it on file for
future reference.
 
   
A Statement of Additional Information dated May 31, 1995, as amended has been
filed with the Securities and Exchange Commission and is available without
charge through the Distributor, SEI Financial Services Company, 680 East
Swedesford Road, Wayne, PA 19087 or by calling 1-800-342-5734. The Statement of
Additional Information is incorporated into this Prospectus by reference.
    
 
   
SEI Daily Income Trust (the "Trust") is a mutual fund that offers financial
institutions a convenient means of investing their own funds or funds for which
they act in a fiduciary, agency or custodial capacity in professionally managed
diversified portfolios of securities. Some portfolios offer separate classes of
units of beneficial interest ("shares") that differ from each other primarily in
the allocation of certain distribution expenses. This Prospectus offers Class G
shares (formerly Class C shares) of the Government Portfolio (the "Portfolio").
    
 
   
AN INVESTMENT IN THE PORTFOLIO IS NEITHER INSURED NOR GUARANTEED BY THE U.S.
GOVERNMENT, AND THERE CAN BE NO ASSURANCE THAT THE PORTFOLIO WILL BE ABLE TO
MAINTAIN A STABLE NET ASSET VALUE OF $1.00 PER SHARE.
    
- --------------------------------------------------------------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.
 
   
THE TRUST'S SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK. THE TRUST'S SHARES ARE NOT FEDERALLY INSURED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER GOVERNMENT
AGENCY. INVESTMENT IN THE SHARES INVOLVES RISK, INCLUDING POSSIBLE LOSS OF THE
PRINCIPAL AMOUNT INVESTED.
    

<PAGE>   7
 
   
ANNUAL OPERATING EXPENSES (as a percentage of average net assets)        CLASS G
    
- --------------------------------------------------------------------------------
 
   
<TABLE>
<S>                                                                                                       <C>    <C>
Management/Advisory Fees (after fee waiver) (1)                                                                    .16%
12b-1 Fees (after fee waiver)(2)                                                                                   .40%
Total Other Expenses                                                                                               .29%
    Shareholder Service Fees                                                                              .25%
- ---------------------------------------------------------------------------------------------------------------------
Total Operating Expenses (after fee waiver) (3)                                                                    .85%
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>
    
 
   
(1)  The Manager has waived, on a voluntary basis, a portion of its fee, and the
    management/advisory fees shown reflect this voluntary waiver. The Manager
    reserves the right to terminate its waiver at any time in its sole
    discretion. Absent such fee waiver, management/advisory fees would be .27%
    for the Portfolio.
    
   
(2)  The maximum 12b-1 fees payable by Class G shares of the Portfolios are
    .50%.
    
   
(3)  Absent the voluntary fee waivers described above, total operating expenses
    for the Class G shares of the Portfolio would be 1.06%.
    
 
EXAMPLE
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       1 yr.    3 yrs.     5 yrs.     10 yrs.
                                                                                       -----    -------    -------    --------
<S>                                                                                    <C>      <C>        <C>        <C>
An investor would pay the following expenses on a $1,000 investment assuming (1) 5%
  annual return and (2) redemption at the end of each time period:
    Government Portfolio                                                                $9        $27        $47        $105
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>
    
 
THE EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF PAST OR FUTURE
EXPENSES. ACTUAL EXPENSES MAY BE GREATER OR LESS THAN THOSE SHOWN.
 
   
The purpose of this table is to assist the investor in understanding the various
costs and expenses that may be directly or indirectly borne by investors in
Class G shares of the Portfolio. A person who purchases shares through a
financial institution may be charged separate fees by that institution. The
information set forth in the foregoing table and example relates only to Class G
shares. Additional information may be found under "The Manager and Shareholder
Servicing Agent," "The Adviser" and "Distribution." Long-term shareholders may
eventually pay more than the economic equivalent of the maximum front-end sales
charges otherwise permitted by the NASD Rules.
    
 
                                       2
<PAGE>   8
 
   
FINANCIAL HIGHLIGHTS
    
 
   
The following information has been audited by Arthur Andersen LLP, the Trust's
independent accountants, as indicated in their report dated March 8, 1995 on the
Trust's financial statements as of January 31, 1995 included in the Trust's
Statement of Additional Information under "Financial Information." Additional
performance information is set forth in the 1995 Annual Report to shareholders
and is available upon request and without charge by calling 1-800-342-5734.
    
   
FOR A CLASS G SHARE OUTSTANDING THROUGHOUT THE PERIOD**
    
 
   
<TABLE>
<CAPTION>
                                                                                                 Government Portfolio
                                                                                                 --------------------
                                                                                                   For fiscal year
                                                                                                        ended
                                                                                                     January 31,
                                                                                                 --------------------
                                                                                                       1995(1)
<S>                                                                                              <C>
- ---------------------------------------------------------------------------------------------------------------------
Net Asset Value, Beginning of Period                                                                  $     1.00
- ---------------------------------------------------------------------------------------------------------------------
Income from Investment Operations:
      Net Investment Income                                                                                 0.03
      Net Realized and Unrealized Gains (Losses) on Securities                                         --
- ---------------------------------------------------------------------------------------------------------------------
Total from Investment Operations                                                                      $     0.03
- ---------------------------------------------------------------------------------------------------------------------
Less Distributions:
      Dividends from Net Investment Income                                                                 (0.03)
      Distributions from Realized Capital Gains                                                        --
- ---------------------------------------------------------------------------------------------------------------------
Total Distributions                                                                                   $    (0.03)
- ---------------------------------------------------------------------------------------------------------------------
Net Asset Value, End of Period                                                                        $     1.00
- ---------------------------------------------------------------------------------------------------------------------
- ---------------------------------------------------------------------------------------------------------------------
Total Return                                                                                             3.41%(2)
- ---------------------------------------------------------------------------------------------------------------------
- ---------------------------------------------------------------------------------------------------------------------
Ratios/Supplemental Data:
      Net Assets End of Period (000)                                                                  $  310,835
      Ratio of Expenses to Average Net Assets                                                              0.70%
      Ratio of Expenses to Average Net Assets (Excluding Waivers)                                          0.89%
      Ratio of Net Investment Income to Average Net Assets                                                 4.32%
      Ratio of Net Investment Income to Average Net Assets (Excluding Waivers)                              4.13
- ---------------------------------------------------------------------------------------------------------------------
- ---------------------------------------------------------------------------------------------------------------------
</TABLE>
    
 
   
(1)  The Class C shares of the Portfolio were first offered April 7, 1994. All
    ratios have been annualized.
    
   
(2)  Returns are for the period indicated and have not been annualized.
    
   
**  Financial information presented here reflects the performance and ratios of
    Class C shares of the Portfolio. The Trust's board of trustees has approved
    the conversion of Class C shares of the Portfolio into Class G shares. Class
    G shares are subject to different fees and expenses than Class C shares.
    
 
                                       3
<PAGE>   9
 
THE TRUST
 
   
SEI DAILY INCOME TRUST (the "Trust") is a diversified open-end management
investment company that offers units of beneficial interest ("shares") in
separate investment portfolios. This Prospectus offers Class G shares of the
Trust's Government Portfolio (the "Portfolio.") The Portfolio has separate
classes of shares which provide for variations in distribution, shareholder
service and transfer agent costs, voting rights and dividends. Additional
information pertaining to the Trust may be obtained from SEI Financial Services
Company, 680 East Swedesford Road, Wayne, PA 19087 or by calling 1-800-342-5734.
    
 
INVESTMENT
   
OBJECTIVE AND
    
POLICIES
 
   
                      The Government Portfolio seeks to preserve principal value
                      and maintain a high degree of liquidity while providing
                      current income. Under normal conditions the Portfolio
                      invests exclusively in U.S. Treasury obligations,
                      obligations issued or guaranteed as to principal and
                      interest by the agencies or instrumentalities of the U.S.
                      Government, and repurchase agreements involving such
                      obligations.
    
 
   
GENERAL
    
INVESTMENT
POLICIES
 
   
                      The Portfolio complies with regulations of the Securities
                      and Exchange Commission applicable to money market funds,
                      as amended effective June 1, 1991. These regulations
                      impose certain quality, maturity and diversification
                      restraints on investments by the Portfolio. These
                      regulations generally require money market funds to
                      acquire only U.S. dollar denominated obligations maturing
                      in 397 days or less. Under these regulations, the
                      Portfolio will maintain an average maturity on a
                      dollar-weighted basis of 90 days or less. For a
                      description of certain of these restraints, see
                      "Description of Permitted Investments and Risk Factors."
    
   
                            The Portfolio may invest up to 10% of its net assets
                      in illiquid securities, including illiquid restricted
                      securities. However, restricted securities, including Rule
                      144A securities and Section 4(2) commercial paper, that
                      meet the criteria established by the Board of Trustees of
                      the Trust will be considered liquid. In addition, the
                      Portfolio may invest in STRIPS (as defined in the
                      "Description of Permitted Investments and Risk Factors").
    
   
                            The Portfolio may purchase securities on a
                      when-issued basis.
    
   
                            For a description of the permitted investments and
                      the above ratings see "Description of Permitted
                      Investments and Risk Factors" and the Statement of
                      Additional Information.
    
 
                                       4
<PAGE>   10
 
INVESTMENT
LIMITATIONS
 
   
                      The investment objective and certain investment
                      limitations are fundamental policies of the Portfolio. It
                      is a fundamental policy of the Portfolio to use its best
                      efforts to maintain a constant net asset value of $1.00
                      per share. There can be no assurance that the investment
                      objective of the Portfolio will be met or that the
                      Portfolio will be able to maintain a net asset value of
                      $1.00 per share on a continuing basis.
    
   
                            Fundamental policies cannot be changed with respect
                      to the Portfolio without the consent of the holders of a
                      majority of the Portfolio's outstanding shares.
    
 
   
                      The Portfolio may not:
    
   
                      1. Purchase securities of any issuer (except securities
                         issued or guaranteed by the U.S. Government, its
                         agencies or instrumentalities), if as a result, more
                         than 5% of total assets of the Portfolio would be
                         invested in the securities of such issuer; provided,
                         however, that the Portfolio may invest up to 25% of its
                         total assets without regard to this restriction as
                         permitted by Rule 2a-7 under the Investment Company Act
                         of 1940, as amended (the "1940 Act").
    
   
                      2. Purchase any securities which would cause more than 25%
                         of the total assets of the Portfolio to be invested in
                         the securities of one or more issuers conducting their
                         principal business activities in the same industry,
                         provided that this limitation does not apply to
                         investments in (a) domestic banks and (b) obligations
                         issued or guaranteed by the U.S. Government or its
                         agencies and instrumentalities; provided.
    
   
                      3. Borrow money except for temporary or emergency purposes
                         and then only in an amount not exceeding 10% of the
                         value of the total assets of the Portfolio. This
                         borrowing provision is included solely to facilitate
                         the orderly sale of portfolio securities to accommodate
                         substantial redemption requests if they should occur
                         and is not for investment purposes. All borrowings will
                         be repaid before making additional investments for the
                         Portfolio and any interest paid on such borrowings will
                         reduce the income of the Portfolio.
    
   
                      The foregoing percentage limitations will apply at the
                      time of the purchase of a security. Additional fundamental
                      and nonfundamental investment limitations are set forth in
                      the Statement of Additional Information.
    
   
THE MANAGER
    
 
                      SEI Financial Management Corporation (the "Manager" and
                      the "Transfer Agent"), a wholly owned subsidiary of SEI
                      Corporation ("SEI"), and the Trust are parties to a
                      management agreement (the "Management Agreement"). Under
                      the terms of the Management Agreement, the Manager is
                      responsible for providing the Trust with overall
                      management services, regulatory reporting, all necessary
                      office space, equipment, personnel and facilities and for
                      acting as transfer agent, dividend disbursing agent, and
                      shareholder servicing agent.
 
                                       5
<PAGE>   11
 
   
                            For these services, the Manager is entitled to a fee
                      which is calculated daily and paid monthly at an annual
                      rate of .24% of the Portfolio's average daily net assets.
                      The Manager has voluntarily agreed to waive all or a
                      portion of its fee in order to limit the total operating
                      expenses to not more than .85% of the daily net assets of
                      Class G shares of the Portfolio, on an annualized basis.
                      The Manager reserves the right, in its sole discretion, to
                      terminate this voluntary waiver at any time.
    
 
THE ADVISER
 
   
                      Wellington Management Company ("WMC" or the "Adviser")
                      acts as the investment adviser for the Portfolio under an
                      advisory agreement (the "Advisory Agreement") with the
                      Trust. WMC is a professional investment counseling firm
                      which provides investment services to investment
                      companies, employee benefit plans, endowments,
                      foundations, and other institutions and individuals. Under
                      the Advisory Agreement, the Adviser is responsible for the
                      investment decisions for the Portfolio and continuously
                      reviews, supervises and administers the Portfolio's
                      investment program. The Adviser is independent of the
                      Manager and SEI and discharges its responsibilities
                      subject to the supervision of, and policies set by, the
                      Trustees of the Trust.
    
   
                            The Adviser's predecessor organizations have
                      provided investment advisory services to investment
                      companies since 1933 and to investment counseling clients
                      since 1960. As of September 30, 1995, the Adviser had
                      discretionary management authority with respect to
                      approximately $102.4 billion of assets, including the
                      assets of the Trust, SEI Liquid Asset Trust and the
                      Insurance Investment Products Trust, each an open-end
                      investment company. Wellington Trust Company, National
                      Association, a wholly-owned subsidiary of the Adviser,
                      utilizes SEI's trust accounting services. The principal
                      address of Wellington Management Company is 75 State
                      Street, Boston, MA 02109. WMC is a Massachusetts general
                      partnership, of which the following persons are managing
                      partners: Robert W. Doran, Duncan M. McFarland and John B.
                      Neff.
    
   
                            The Adviser is entitled to a fee, which is
                      calculated daily and paid monthly, at an annual rate of
                      .075% of the combined average daily net assets of the
                      Portfolios of the Trust up to $500 million and .02% of
                      such combined average daily net assets in excess of $500
                      million. Such fees are allocated daily among the
                      Portfolios on the basis of their relative net assets. For
                      the fiscal year ended January 31, 1995, the Portfolio paid
                      the Adviser advisory fees (shown here as a percentage of
                      average daily net assets after voluntary fee waivers) of
                      .01%.
    
 
   
DISTRIBUTION AND
    
   
SHAREHOLDER
    
   
SERVICES
    
 
   
                      SEI Financial Services Company (the "Distributor"), a
                      wholly owned subsidiary of SEI, serves as the Portfolio's
                      distributor pursuant to a distribution agreement (the
                      "Distribution Agreement"). Each Class of each Portfolio
                      has a separate distribution plan ("Class A Plan,"
    
 
                                       6
<PAGE>   12
 
   
                      "Class B Plan," "Class C Plan" and "Class G Plan";
                      collectively, the "Plans") pursuant to Rule 12b-1 under
                      the 1940 Act. The Trust may also execute brokerage or
                      other agency transactions through the Distributor for
                      which the Distributor may receive usual and customary
                      compensation.
    
   
                            The Class G Plan provides for payments to the
                      Distributor at an annual rate of up to .50% of the
                      Portfolio's average daily net assets attributable to Class
                      G shares. These payments are characterized as
                      "compensation" and are not directly tied to expenses
                      incurred by the Distributor; the payments the Distributor
                      receives during any year may therefore be higher or lower
                      than its actual expenses. These additional payments may be
                      used to compensate Class G shareholders that provide
                      distribution related services to their customers. Class G
                      shares are also subject to a shareholder servicing fee of
                      up to .25% of the average daily net assets of the Class G
                      shares of the Portfolio. This shareholder servicing fee
                      may be used for personal service and maintenance of
                      shareholder accounts.
    
                            It is possible that an institution may offer
                      different classes of shares to its customers and thus
                      receive compensation with respect to different classes.
                      These financial institutions may also charge separate fees
                      to their customers. Certain financial institutions
                      offering shares to their customers may be required to
                      register as dealers pursuant to state laws.
                            The Distributor may, from time to time in its sole
                      discretion, institute one or more promotional incentive
                      programs, which will be paid by the Distributor from the
                      sales charge it receives or from any other source
                      available to it. Under any such program, the Distributor
                      will provide promotional incentives, in the form of cash
                      or other compensation, including merchandise, airline
                      vouchers, trips and vacation packages, to all dealers
                      selling shares of the Portfolios. Such promotional
                      incentives will be offered uniformly to all dealers and
                      predicated upon the amount of shares of the Portfolios
                      sold by the dealer.
 
PURCHASE AND
REDEMPTION OF
SHARES
 
   
                      Financial institutions may acquire shares of the Portfolio
                      for their own accounts or as a record owner on behalf of
                      fiduciary, agency or custody accounts by placing orders
                      with the Transfer Agent. Institutions that use certain SEI
                      proprietary systems may place orders electronically
                      through those systems. State securities laws may require
                      banks and financial institutions purchasing shares for
                      their customers to register as dealers pursuant to state
                      laws. Financial institutions may impose an earlier cut-off
                      time for receipt of purchase orders directed through them
                      to allow for processing and transmittal of these orders to
                      the Transfer Agent for effectiveness the same day.
                      Financial institutions that purchase shares for the
                      accounts of their customers may impose separate charges on
                      these customers for account services. Shares of the
                      Portfolio are offered only to residents of states in which
                      the shares are eligible for purchase.
    
   
                            Shares of the Portfolio may be purchased or redeemed
                      on days on which the New York Stock Exchange is open for
                      business ("Business Days"). However, money market
    
 
                                       7
<PAGE>   13
 
                      fund shares can not be purchased by Federal Reserve wire
                      on Federal holidays restricting wire transfers.
                            Shareholders who desire to purchase shares with cash
                      must place their orders with the Transfer Agent prior to
                      the determination of net asset value for the order to be
                      accepted on that Business Day. Cash investments must be
                      transmitted or delivered in federal funds to the wire
                      agent by the close of business on the same day the order
                      is placed. The Trust reserves the right to reject a
                      purchase order when the Distributor determines that it is
                      not in the best interest of the Trust or shareholders to
                      accept such purchase order.
   
                            The Trust will send shareholders a statement of
                      shares owned after each transaction. The purchase price of
                      shares is the net asset value next determined after a
                      purchase order is received and accepted by the Trust,
                      which is expected to remain constant at $1.00. The net
                      asset value per share of the Portfolio is determined by
                      dividing the total value of its investments and other
                      assets, less any liabilities, by the total outstanding
                      shares of the Portfolio. A Portfolio's investments will be
                      valued by the amortized cost method described in the
                      Statement of Additional Information. Net asset value per
                      share is determined daily as of 3:00 p.m. Eastern time on
                      each Business Day. Financial institutions which purchase
                      and redeem shares for the accounts of their customers may
                      impose their own cut-off times for receipt of purchase and
                      redemption requests directed through them.
    
   
                            Shareholders who desire to redeem shares of the
                      Portfolio must place their redemption orders with the
                      Transfer Agent prior to the determination of net asset
                      value on any Business Day. The redemption price is the net
                      asset value per share of the Portfolio next determined
                      after receipt by the Transfer Agent of the redemption
                      order. For redemption orders received before the cut-off
                      time on any Business Day, payment will be made the same
                      day by transfer of federal funds. Otherwise, the
                      redemption order will be effective on the next Business
                      Day.
    
   
                            Purchase and redemption orders may be placed by
                      telephone. Neither the Trust nor the Trust's Transfer
                      Agent will be responsible for any loss, liability, cost or
                      expense for acting upon wire instructions or upon
                      telephone instructions that it reasonably believes to be
                      genuine. The Trust and the Trust's Transfer Agent will
                      each employ reasonable procedures to confirm that
                      instructions communicated by telephone are genuine,
                      including requiring a form of personal identification
                      prior to acting upon instructions received by telephone
                      and recording telephone instructions.
    
                            If market conditions are extraordinarily active, or
                      other extraordinary circumstances exist, and you
                      experience difficulties placing redemption orders by
                      telephone, you may wish to consider placing your order by
                      other means.
PERFORMANCE
 
   
                      For any Portfolio, the performance of Class A shares will
                      normally be higher than that of Class B shares because of
                      the additional distribution expenses charged to Class B
                      shares. Likewise, the performance on Class B shares will
                      normally be higher than that of Class C or
    
 
                                       8
<PAGE>   14
 
   
                      Class G shares because of the additional distribution
                      expenses charged to Class C shares and the additional
                      distribution and shareholder servicing expenses charged
                      to Class G shares.
    
   
                            From time to time, the Portfolio may advertise the
                      "current yield" and "effective yield" (also called
                      "effective compound yield"). These figures are based on
                      historical earnings and are not intended to indicate
                      future performance. No representation can be made
                      concerning actual future yields or returns. The "current
                      yield" of the Portfolio refers to the income generated by
                      a hypothetical investment in such Portfolio over a
                      seven-day period (which period will be stated in the
                      advertisement). This income is then "annualized," i.e.,
                      the income generated during that week is assumed to be
                      generated each week over a 52-week period and is shown as
                      a percentage of the investment. The "effective yield"
                      (also called "effective compound yield") is calculated
                      similarly but, when annualized, the income earned by an
                      investment in the Portfolio is assumed to be reinvested.
                      The "effective yield" will be slightly higher than the
                      "current yield" because of the compounding effect of this
                      assumed reinvestment.
    
   
                            The Portfolio may periodically compare its
                      performance to that of other mutual funds tracked by
                      mutual fund rating services (such as Lipper Analytical) or
                      financial and business publications and periodicals, broad
                      groups of comparable mutual funds, unmanaged indices which
                      may assume investment of dividends but generally do not
                      reflect deductions for administrative and management costs
                      or to other investment alternatives. The Portfolio may
                      also quote financial and business publications and
                      periodicals as they relate to fund management, investment
                      philosophy and investment techniques.
    
TAXES
 
   
                      The following summary of federal income tax consequences
                      is based on current tax laws and regulations, which may be
                      changed by legislative, judicial or administrative action.
                      No attempt has been made to present a detailed explanation
                      of the federal, state or local income tax treatment of the
                      Portfolio or its shareholders. Accordingly, shareholders
                      are urged to consult their tax advisers regarding specific
                      questions as to federal, state and local income taxes.
                      State and local tax consequences of an investment in the
                      Portfolio may differ from the federal income tax
                      consequences described below. Additional information
                      concerning taxes is set forth in the Statement of
                      Additional Information.
    
 
   
Tax Status
of the Portfolios     The Portfolio is treated as a separate entity for federal
                      income tax purposes and is not combined with the Trust's
                      other portfolios. The Portfolio intends to qualify or to
                      continue to qualify for the special tax treatment afforded
                      regulated investment companies ("RICs") under Subchapter M
                      of the Internal Revenue Code of 1986 (the "Code"), as
                      amended, so as to be relieved of federal income tax on net
                      investment company taxable income and net capital gains
                      (the excess of net longterm capital gains over net
                      short-term capital losses) distributed to shareholders.
                      The Portfolio also intends to distribute sufficient
                      amounts each calendar year to avoid liability for federal
                      excise tax.
    
 
                                       9
<PAGE>   15
 
   
Tax Status
of Distributions      The Portfolio distributes substantially all of its net
                      investment income (including net short-term capital gains)
                      to shareholders. Dividends from net investment company
                      taxable income are taxable to its shareholders as ordinary
                      income (whether received in cash or in additional shares)
                      and will not qualify for the corporate dividends received
                      deduction. Distributions of net capital gains are taxable
                      to shareholders as long-term capital gains. The Portfolio
                      provides annual reports to shareholders of the federal
                      income tax status of all distributions.
    
   
                            Dividends declared by the Portfolio in October,
                      November or December of any year and payable to
                      shareholders of record on a date in such a month, will be
                      deemed to have been paid by the Portfolio and received by
                      the shareholders on December 31 of the year declared if
                      paid by the Portfolio at any time during the following
                      January.
    
   
                            Income received on direct U.S. Government
                      obligations is exempt from tax at the state level when
                      received directly and may be exempt, depending on the
                      state, when received by a shareholder from a Portfolio
                      provided certain conditions are satisfied. Interest
                      received on repurchase agreements collateralized by U.S.
                      Government obligations normally is not exempt from state
                      taxation. The Portfolio will inform shareholders annually
                      of the percentage of income and distributions derived from
                      direct U.S. Government obligations. Shareholders should
                      consult their tax advisers to determine whether any
                      portion of the income dividends received from the
                      Portfolio is considered tax exempt in their particular
                      states.
    
   
                            With respect to investments in STRIPS, which are
                      sold at original issue discount and thus do not make
                      periodic cash interest payments, the Portfolio will be
                      required to include as part of its current income the
                      accreted interest on any such obligations even though the
                      Portfolio has not received any interest payments on such
                      obligations during that period. Because the Portfolio
                      distributes all of its net investment income to its
                      shareholders, the Portfolio may have to sell portfolio
                      securities to distribute such imputed income, which may
                      occur at a time when the Adviser would not have chosen to
                      sell such securities, and which may result in a taxable
                      gain or loss.
    
   
                            Each sale, exchange, or redemption of Portfolio
                      shares is a taxable transaction to the shareholder.
    
GENERAL INFORMATION
 
   
The Trust             The Trust was organized as a Massachusetts business trust
                      under a Declaration of Trust dated March 15, 1982. The
                      Declaration of Trust permits the Trust to offer separate
                      portfolios of shares and different classes of each
                      portfolio. In addition to the Portfolio, the Trust
                      consists of the following portfolios: Money Market
                      Portfolio, Prime Obligation Portfolio, Government II
                      Portfolio, Treasury Portfolio, Treasury II Portfolio,
                      Federal Securities Portfolio, Short-Term Government
                      Portfolio, Intermediate-Term Government Portfolio, GNMA
                      Portfolio, Short-Term Mortgage Portfolio (formerly
                      Adjustable Rate Mortgage Portfolio) Short Duration
                      Mortgage Portfolio, Corporate Daily Income Portfolio and
                      Government Securities Daily Income Portfolio. All
                      consideration received by the Trust for
    
 
                                       10
<PAGE>   16
 
                      shares of any portfolio and all assets of such portfolio
                      belong to that portfolio and would be subject to
                      liabilities related thereto.
                            The Trust pays its expenses, including fees of its
                      service providers, audit and legal expenses, expenses of
                      preparing prospectuses, proxy solicitation materials and
                      reports to shareholders, costs of custodial services and
                      registering the shares under state and federal securities
                      laws, pricing, insurance expenses, litigation and other
                      extraordinary expenses, brokerage costs, interest charges,
                      taxes and organization expenses.
 
Trustees of the Trust The management and affairs of the Trust are supervised by
                      the Trustees under the laws of The Commonwealth of
                      Massachusetts. The Trustees have approved contracts under
                      which, as described above, certain companies provide
                      essential management services to the Trust.
 
Voting Rights         Each share held entitles the shareholder of record to one
                      vote. The shareholders of each Portfolio or class will
                      vote separately on matters relating solely to that
                      Portfolio or class. As a Massachusetts business trust, the
                      Trust is not required to hold annual meetings of
                      shareholders but approval will be sought for certain
                      changes in the operation of the Trust and for the election
                      of Trustees under certain circumstances. In addition, a
                      Trustee may be removed by the remaining Trustees or by
                      shareholders at a special meeting called upon written
                      request of shareholders owning at least 10% of the
                      outstanding shares of the Trust. In the event that such a
                      meeting is requested the Trust will provide appropriate
                      assistance and information to the shareholders requesting
                      the meeting.
 
Reporting             The Trust issues unaudited financial information
                      semi-annually and audited financial statements annually.
                      The Trust furnishes proxy statements and other reports to
                      shareholders of record.
 
Shareholder Inquiries Shareholder inquiries should be directed to the Manager,
                      SEI Financial Management Corporation, 680 E. Swedesford
                      Road, Wayne, PA 19087.
 
   
Dividends             Substantially all of the net investment income (exclusive
                      of capital gains) of the Portfolio is distributed in the
                      form of monthly dividends. The dividends are determined
                      and declared as a dividend for shareholders of record on
                      the close of business on that day. Dividends are paid by
                      the Portfolio in federal funds or in additional shares at
                      the discretion of the shareholder on the first Business
                      Day of each month. The dividends on Class A shares are
                      normally higher than those on Class B shares of each
                      Portfolio because of the additional distribution expenses
                      charged to Class B shares. The dividends on Class B shares
                      are normally higher than those on Class C and Class G
                      shares of each Portfolio because of the additional
                      distribution and/or shareholder servicing expenses charged
                      to Class C and Class G shares.
    
 
   
Counsel and Independent
Accountants           Morgan, Lewis & Bockius LLP serves as counsel to the
                      Trust. Arthur Andersen LLP serves as the independent
                      public accountants of the Trust.
    
 
   
Custodians
and Wire Agent        CoreStates Bank, N.A., Broad and Chestnut Streets, P.O.
                      Box 7618, Philadelphia, PA 19101 (the "Custodian"), acts
                      as custodian of the assets of the Portfolio, and as wire
                      agent of the Trust. The Custodian holds cash, securities
                      and other assets of the Trust as required by the 1940 Act.
    
 
                                       11
<PAGE>   17
 
DESCRIPTION
OF PERMITTED
INVESTMENTS
AND RISK FACTORS

                      The following is a description of certain of the permitted
                      investment practices for the Portfolios and the associated
                      risk factors:
 
   
Illiquid Securities   Illiquid securities are securities which cannot be
                      disposed of within seven business days at approximately
                      the price at which they are being carried on a Portfolio's
                      books. An illiquid security includes a demand instrument
                      with a demand notice period exceeding seven days, where
                      there is no secondary market for such security, and
                      repurchase agreements with maturities over seven days in
                      length.
    
 
Repurchase Agreements Repurchase agreements are agreements by which a Portfolio
                      obtains a security and simultaneously commits to return
                      the security to the seller at an agreed upon price on an
                      agreed upon date within a number of days from the date of
                      purchase. The Custodian will hold the security as
                      collateral for the repurchase agreement. A Portfolio bears
                      a risk of loss in the event the other party defaults on
                      its obligations and the Portfolio is delayed or prevented
                      from exercising its rights to dispose of the collateral or
                      if the Portfolio realizes a loss on the sale of the
                      collateral. A Portfolio will enter into repurchase
                      agreements only with financial institutions deemed to
                      present minimal risk of bankruptcy during the term of the
                      agreement based on established guidelines. Repurchase
                      agreements are considered loans under the 1940 Act.
 
   
Restraints on
Investments by
Money Market Funds    Investments by a money market fund are subject to
                      limitations imposed under regulations adopted by the
                      Securities and Exchange Commission. These regulations
                      generally require money market funds to acquire only U.S.
                      dollar denominated obligations maturing in 397 days or
                      less and to maintain a dollar-weighted average portfolio
                      maturity of 90 days or less. In addition, money market
                      funds may acquire only obligations that present minimal
                      credit risk and that are "eligible securities," which
                      means they are (i) rated, at the time of investment, by at
                      least two nationally recognized statistical rating
                      organizations (one if it is the only organization rating
                      such obligation) in the highest short-term rating category
                      or, if unrated, determined to be of comparable quality (a
                      "first tier security"), or (ii) rated according to the
                      foregoing criteria in the second highest rating category
                      or, if unrated, determined to be of comparable quality
                      ("second tier security"). A security is not considered to
                      be unrated if its issuer has outstanding obligations of
                      comparable priority and security that have a short-term
                      rating. In the case of taxable money market funds,
                      investments in second tier securities are subject to the
                      further constraints that (i) no more than 5% of a
                      Portfolio's assets may be invested in second tier
                      securities, and (ii) any investment in securities of any
                      one issuer is limited to the greater of 1% of the
                      Portfolio's total assets or $1 million. A taxable money
                      market fund may also hold more than 5% of its total assets
                      in the first tier securities of a single issuer for three
                      business days.
    
 
                                       12
<PAGE>   18
 
U.S. Government Agencies
                      Obligations issued or guaranteed by agencies of the U.S.
                      Government, including, among others, the Federal Farm
                      Credit Bank, the Federal Housing Administration and the
                      Small Business Administration, and obligations issued or
                      guaranteed by instrumentalities of the U.S. Government,
                      including, among others, the Federal Home Loan Mortgage
                      Corporations, the Federal Land Banks and the U.S. Postal
                      Service. Some of these securities are supported by the
                      full faith and credit of the U.S. Treasury (e.g.,
                      Government National Mortgage Association), others are
                      supported by the right of the issuer to borrow from the
                      Treasury (e.g., Federal Farm Credit Bank), while still
                      others are supported only by the credit of the
                      instrumentality (e.g., Federal National Mortgage
                      Association). Guarantees of principal by agencies or
                      instrumentalities of the U.S. Government may be a
                      guarantee of payment at the maturity of the obligation so
                      that in the event of a default prior to maturity there
                      might not be a market and thus no means of realizing on
                      the obligation prior to maturity. Guarantees as to the
                      timely payment of principal and interest do not extend to
                      the value or yield of these securities nor to the value of
                      the Portfolio's shares.
 
U.S. Treasury
Obligations           U.S. treasury obligations consist of bills, notes and
                      bonds issued by the U.S. Treasury and separately traded
                      interest and principal component parts of such obligations
                      that are transferable through the Federal book-entry
                      system known as Separately Traded Registered Interest and
                      Principal Securities ("STRIPS").
 
STRIPS                STRIPS are sold as zero coupon securities which means that
                      they are sold at a substantial discount and redeemed at
                      face value at their maturity date without interim cash
                      payments of interest or principal. This discount is
                      accreted over the life of the security, and such accretion
                      will constitute the income earned on the security for both
                      accounting and tax purposes. Because of these features,
                      such securities may be subject to greater interest rate
                      volatility than interest paying securities. See also
                      "Taxes."
 
When-Issued and Delayed
Delivery Securities   When-issued or delayed delivery basis transactions involve
                      the purchase of an instrument with payment and delivery
                      taking place in the future. Delivery of and payment for
                      these securities may occur a month or more after the date
                      of the purchase commitment. A Portfolio will maintain with
                      the Custodian a separate account with liquid high grade
                      debt securities or cash in an amount at least equal to
                      these commitments. The interest rate realized on these
                      securities is fixed as of the purchase date and no
                      interest accrues to a Portfolio before settlement. These
                      securities are subject to market fluctuation due to
                      changes in market interest rates and it is possible that
                      the market value at the time of settlement could be higher
                      or lower than the purchase price if the general level of
                      interest rates has changed. Although a Portfolio generally
                      purchases securities on a when-issued or forward
                      commitment basis with the intention of actually acquiring
                      securities, a Portfolio may dispose of a when-issued
                      security or forward commitment prior to settlement if it
                      deems appropriate.
 
                                       13
<PAGE>   19
 
TABLE OF CONTENTS
- --------------------------------------------------------------------------------
 
   
<TABLE>
<S>                                         <C>
Expense Summary.............................       2
Financial Highlights........................       3
The Trust...................................       4
Investment Objectives and Policies..........       4
General Investment Policies.................       4
Investment Limitations......................       5
The Manager.................................       5
The Adviser.................................       6
Distribution and Shareholder Services.......       6
Purchase and Redemption of Shares...........       7
Performance.................................       8
Taxes.......................................       9
General Information.........................      10
Description of Permitted Investments and
  Risk Factors..............................      12
</TABLE>
    
 
                                       14
<PAGE>   20
                           PART C: OTHER INFORMATION

ITEM 24.   FINANCIAL STATEMENTS AND EXHIBITS:
(a)   Financial Statements
      (1)       The Registrant's audited financial statements for the Money
                Market, Prime Obligation, Government, Government II, Treasury,
                Treasury II, Federal Securities, Corporate Daily Income,
                Government Securities Daily Income, Short-Term Mortgage
                (formerly Adjustable Rate Mortgage), Short Duration Mortgage,
                Short-Term Government, Intermediate-Term Government and GNMA
                Portfolios for the fiscal year ended January 31, 1995,
                including Arthur Andersen LLP's report thereon, included in the
                Statement of Additional Information, filed as part of
                Post-Effective Amendment No. 33 to the Registrant's
                Registration Statement on Form N-1A (File No. 2-77048) are
                incorporated by reference, as filed with the Securities and
                Exchange Commission on March 31, 1995.

(b)   Additional Exhibits
      (1)       Declaration of Trust originally filed on March 15, 1982, in the
                Post-Effective Amendment to Form N-1A, is incorporated by
                reference to Post-Effective Amendment No. 33 to Form N-1A,
                filed March 31, 1995.
      (2)       By-Laws originally filed on March 15, 1982, in the
                Post-Effective Amendment to Form N-1A, is incorporated by
                reference to Post-Effective Amendment No. 33 to Form N-1A,
                filed March 31, 1995.
      (3)       Not Applicable.
      (4)       Not Applicable.
      (5)(a)    Management Agreement dated May 23, 1986, as amended, originally
                filed in the Post-Effective Amendment to Form N-1A, is
                incorporated by reference to Post-Effective Amendment No. 33 to
                Form N-1A, filed March 31, 1995.
      (5)(b)    Investment Advisory Agreement with Wellington Management
                Company, originally filed on December 15, 1986, in the
                Post-Effective Amendment to Form N-1A, is incorporated by
                reference to Post-Effective Amendment No. 33 to Form N-1A,
                filed March 31, 1995.
      (5)(e)    Investment Advisory Agreement with Bear Stearns Asset
                Management, originally filed May 18, 1993, in Post-Effective
                Amendment No. 28 to Form N-1A, is incorporated by reference to
                Post-Effective Amendment No. 33 to Form N-1A, filed March 31,
                1995.
      (5)(f)    Investment Advisory Agreement with Wellington Management
                Company relating to the Registrant's Corporate Daily Income
                Portfolio and Government Securities Daily Income Portfolio
                originally filed on May 18, 1993, in Post-Effective Amendment
                No. 28 to Form N-1A, is incorporated by reference to
                Post-Effective Amendment No. 33 to Form N-1A, filed March 31,
                1995.
      (5)(g)    Investment Advisory Agreement with Wellington Management
                Company relating to the Registrant's Short-Term Mortgage
                Portfolio and Short Duration Mortgage Portfolio is incorporated
                by reference to Post-Effective Amendment No. 33 to Form N-1A,
                filed March 31, 1995.
      (6)(a)    Distribution Agreement originally filed on July 15, 1982, in
                the Post-Effective Amendment to Form N-1A, is incorporated by
                reference to Post-Effective Amendment No. 33 to Form N-1A,
                filed March 31, 1995.
      (6)(b)    Supplement to Distribution Agreement originally filed on May
                29, 1990, in Post-Effective Amendment No. 22 to Form N-1A, is
                incorporated by reference to Post-Effective Amendment No. 33 to
                Form N-1A, filed March 31, 1995.
      (6)(c)    Supplement to Distribution Agreement originally filed on August
                29, 1991, in Post-Effective Amendment No. 24 to Form N-1A, is
                incorporated by reference to Post-Effective Amendment No. 33 to
                Form N-1A, filed March 31, 1995.
<PAGE>   21
      (7)       Not Applicable.
      (8)(a)    Custodian Agreement with United States National Bank of Oregon
                originally filed on July 15, 1982, in the Post-Effective
                Amendment to Form N-1A, is incorporated by reference to
                Post-Effective Amendment No. 33 to Form N-1A, filed March 31,
                1995.
      (8)(b)    Custodian Agreement with First Interstate Bank of Oregon, N.A.
                originally filed on July 15, 1982, in the Post-Effective
                Amendment to Form N-1A, is incorporated by reference to
                Post-Effective Amendment No. 33 to Form N-1A, filed March 31,
                1995.
      (8)(c)    Custodian Agreement with Manufacturers National Bank of Detroit
                originally filed on September 22, 1983, in the Post-Effective
                Amendment to Form N-1A, is incorporated by reference to
                Post-Effective Amendment No. 33 to Form N-1A, filed March 31,
                1995.
      (8)(d)    Custodian Agreement with Philadelphia National Bank originally
                filed on August 30, 1985, in the Post-Effective Amendment to
                Form N-1A, is incorporated by reference to Post-Effective
                Amendment No. 33 to Form N-1A, filed March 31, 1995.
      (9)       Not Applicable.
   
      (10)      Opinion and Consent of Counsel incorporated by Reference to
                Pre-Effective Amendment No. 1.
    
      (11)      Consent of Independent Public Accountants is filed herewith.
      (12)      Not Applicable.
      (13)      Not Applicable.
      (14)      Not Applicable.
      (15)(a)   Class D Distribution Plan originally filed on April 1, 1993, in
                Post-Effective Amendment No. 27 to Form N-1A, is incorporated
                by reference to Exhibit (6)(d) of Post-Effective Amendment No.
                33 to Form N-1A, filed March 31, 1995.
   
      (15)(b)   Class A Distribution Plan is incorporated by reference to
                Post-Effective Amendment No. 34 to Form N-1A, filed December
                28, 1995.
    
   
      (15)(c)   Class B Distribution Plan is incorporated by reference to
                Post-Effective Amendment No. 34 to Form N-1A, filed December
                28, 1995.
    
   
      (15)(d)   Class C Distribution Plan is incorporated by reference to
                Post-Effective Amendment No. 34. to Form N-1A, filed December
                28, 1995.
    
   
      (15)(e)   Class G Distribution Plan is filed herewith.
    
   
      (15)(f)   Shareholder Service Agreement is filed herewith.
    
      (16)      Performance Quotation Computation, Incorporated by Reference to
                Post-Effective Amendment No. 32 to Form N-1A, filed April 1,
                1994.
      (17)      Powers of Attorney are incorporated by reference to
                Post-Effective Amendment No. 33 to Form N-1A, filed March 31,
                1995.
   
      (18)(a)   Rule 18f-3 Multiple Class Plan is incorporated by reference to
                Post-Effective Amendment No. 34 to Form N-1A, filed December
                28, 1995.
    
   
      (18)(b)   Amendment No. 1 to Rule 18f-3 Multiple Class Plan relating to
                Class G shares is filed herewith.
    
   
    

ITEM 25.   PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH REGISTRANT

      See the Prospectuses and Statement of Additional Information filed
herewith regarding the Trust's control relationships. The Manager is a
subsidiary of SEI Corporation which also controls the distributor of the
Registrant, SEI Financial Services Company, and other corporations engaged in
providing various financial and record keeping services, primarily to bank
trust departments, pension plan sponsors and investment managers.

ITEM 26.   NUMBER OF HOLDERS OF SECURITIES:

<PAGE>   22
   
      As of March 13, 1996:
    

   
<TABLE>
<CAPTION>
                                                                                                     NUMBER OF
TITLE OF CLASS                                                                                     RECORD HOLDERS
- -----------------------------------------------------------------------------------------------------------------
<S>                                                                                                 <C>
UNITS OF BENEFICIAL INTEREST, WITHOUT PAR VALUE--                                           
Money Market Portfolio, Class A . . . . . . . . . . . . . . . . . . . .                              28
Money Market Portfolio, Class B . . . . . . . . . . . . . . . . . . . .                               2
Money Market Portfolio, Class C . . . . . . . . . . . . . . . . . . . .                               1
Prime Obligation Portfolio, Class A . . . . . . . . . . . . . . . . . .                              85
Prime Obligation Portfolio, Class B . . . . . . . . . . . . . . . . . .                               5
Prime Obligation Portfolio, Class C . . . . . . . . . . . . . . . . . .                               0
Government Portfolio, Class A   . . . . . . . . . . . . . . . . . . . .                               5
Government Portfolio, Class B . . . . . . . . . . . . . . . . . . . . .                               2
Government Portfolio, Class C . . . . . . . . . . . . . . . . . . . . .                               2
Government II Portfolio, Class A  . . . . . . . . . . . . . . . . . . .                              34
Government II Portfolio, Class B  . . . . . . . . . . . . . . . . . . .                               7
Government II Portfolio, Class C  . . . . . . . . . . . . . . . . . . .                               0
Treasury Portfolio, Class A . . . . . . . . . . . . . . . . . . . . . .                              11
Treasury Portfolio, Class B . . . . . . . . . . . . . . . . . . . . . .                               0
Treasury Portfolio, Class C . . . . . . . . . . . . . . . . . . . . . .                               3
Treasury II, Class A  . . . . . . . . . . . . . . . . . . . . . . . . .                              48
Treasury II, Class B  . . . . . . . . . . . . . . . . . . . . . . . . .                               9
Treasury II, Class C  . . . . . . . . . . . . . . . . . . . . . . . . .                               1
Federal Securities Portfolio  . . . . . . . . . . . . . . . . . . . . .                               0
Corporate Daily Income Portfolio, Class A . . . . . . . . . . . . . . .                              74
Corporate Daily Income Portfolio, Class B . . . . . . . . . . . . . . .                               0
Corporate Daily Income Portfolio, Class C . . . . . . . . . . . . . . .                               0
Government Securities Daily Income Portfolio, Class A . . . . . . . . .                               0
Government Securities Daily Income Portfolio, Class B . . . . . . . . .                               0
Government Securities Daily Income Portfolio, Class C . . . . . . . . .                               0
Short-Term Mortgage (formerly known as Adjustable Rate Mortgage) Portfolio                           19
Short-Term Mortgage Portfolio, Class B  . . . . . . . . . . . . . . . .                               0
Short-Term Mortgage Portfolio, Class C  . . . . . . . . . . . . . . . .                               0
Short Duration Mortgage Portfolio, Class A  . . . . . . . . . . . . . .                               0
Short Duration Mortgage Portfolio, Class B  . . . . . . . . . . . . . .                               0
Short Duration Mortgage Portfolio, Class C  . . . . . . . . . . . . . .                               0
Short-Term Government Portfolio, Class A  . . . . . . . . . . . . . . .                             134
Short-Term Government Portfolio, Class B  . . . . . . . . . . . . . . .                               2
Short-Term Government Portfolio, Class C  . . . . . . . . . . . . . . .                               0
Short-Term Government Portfolio, Class D  . . . . . . . . . . . . . . .                               5
Intermediate-Term Government Portfolio, Class A . . . . . . . . . . . .                             151
Intermediate-Term Government Portfolio, Class B . . . . . . . . . . . .                               0
Intermediate-Term Government Portfolio, Class C . . . . . . . . . . . .                               0
Intermediate-Term Government Portfolio, Class D . . . . . . . . . . . .                              13
GNMA Portfolio, Class A . . . . . . . . . . . . . . . . . . . . . . . .                             149
GNMA Portfolio, Class B . . . . . . . . . . . . . . . . . . . . . . . .                               1
GNMA Portfolio, Class C . . . . . . . . . . . . . . . . . . . . . . . .                               0
GNMA Portfolio, Class D . . . . . . . . . . . . . . . . . . . . . . . .                              21
</TABLE>
    

<PAGE>   23
ITEM 27.   INDEMNIFICATION:

   Article VIII of the Agreement and Declaration of Trust filed as Exhibit 1 to
the Registration Statement is incorporated by reference. Insofar as
indemnification for liabilities arising under the Securities Act of 1933 maybe
permitted to trustees, directors, officers and controlling persons of the
Registrant by the Registrant pursuant to the Declaration of Trust or otherwise,
the Registrant is aware that in the opinion of the Securities and Exchange
Commission, such indemnification is against public policy as expressed in the
Act and, therefore, is unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
Registrant of expenses incurred or paid by trustees, directors, officers or
controlling persons of the Registrant in connection with the successful defense
of any act, suit or proceeding) is asserted by such trustees, directors,
officers or controlling persons in connection with the shares being registered,
the Registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate jurisdiction
the question whether such indemnification by it is against public policy as
expressed in the Act and  will be governed by the final adjudication of such
issues.

ITEM 28.   BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISERS:

   The list required by this Item 28 of officers and partners of Wellington
Management Company ("WMC"), together with information as to any other business,
profession, vocation or employment of a substantial nature engaged in by such
officers and partners during the past two years is incorporated by reference to
Schedules A and D of Form ADV, filed by WMC pursuant to the Investment Advisers
Act of 1940 (SEC File No. 801-15908).

ITEM 29. PRINCIPAL UNDERWRITERS:

   (a) Furnish the name of each investment company (other than the Registrant)
for which each principal underwriter currently distributing securities of the
Registrant also acts as a principal underwriter, depositor or investment
adviser:

      Registrant's distributor, SEI Financial Services Company ("SFS"), acts as
distributor for:

   
<TABLE>
      <S>                                                                       <C>
      SEI Daily Income Trust  . . . . . . . . . . . . . . . . . . . . .         July 15, 1982
      SEI Liquid Asset Trust  . . . . . . . . . . . . . . . . . . . . .         November 29, 1982
      SEI Tax Exempt Trust  . . . . . . . . . . . . . . . . . . . . . .         December 3, 1982
      SEI Index Funds   . . . . . . . . . . . . . . . . . . . . . . . .         July 10, 1985
      SEI Institutional Managed Trust   . . . . . . . . . . . . . . . .         January 22, 1987
      SEI International Trust   . . . . . . . . . . . . . . . . . . . .         August 30, 1988
      Stepstone Funds   . . . . . . . . . . . . . . . . . . . . . . . .         January 30, 1991
      The Advisors' Inner Circle Fund   . . . . . . . . . . . . . . . .         November 14, 1991
      The Pillar Funds  . . . . . . . . . . . . . . . . . . . . . . . .         February 28, 1992
      CUFUND  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .         May 1, 1992
      STI Classic Funds   . . . . . . . . . . . . . . . . . . . . . . .         May 29, 1992
      CoreFunds, Inc.   . . . . . . . . . . . . . . . . . . . . . . . .         October 30, 1992
      First American Funds, Inc.  . . . . . . . . . . . . . . . . . . .         November 1, 1992
      First American Investment Funds, Inc.   . . . . . . . . . . . . .         November 1, 1992
      The Arbor Fund  . . . . . . . . . . . . . . . . . . . . . . . . .         January 28, 1993
      1784 Funds  . . . . . . . . . . . . . . . . . . . . . . . . . . .         June 1, 1993
      The PBHG Funds, Inc.  . . . . . . . . . . . . . . . . . . . . . .         July 16, 1993
      Marquis Funds(R)  . . . . . . . . . . . . . . . . . . . . . . . .         August 17, 1993
      Morgan Grenfell Investment Trust  . . . . . . . . . . . . . . . .         January 3, 1994
      Inventor Funds, Inc.  . . . . . . . . . . . . . . . . . . . . . .         August 1, 1994
</TABLE>
    

<PAGE>   24
   
<TABLE>
      <S>                                                                       <C>
      The Achievement Funds Trust   . . . . . . . . . . . . . . . . . .         December 27, 1994
      Insurance Investment Products Trust   . . . . . . . . . . . . . .         December 30, 1994
      Bishop Street Funds   . . . . . . . . . . . . . . . . . . . . . .         January 27, 1995
      CrestFunds, Inc.  . . . . . . . . . . . . . . . . . . . . . . . .         March 1, 1995
      Conestoga Family of Funds   . . . . . . . . . . . . . . . . . . .         May 1, 1995
      STI Classic Variable Trust  . . . . . . . . . . . . . . . . . . .         August 18, 1995
      ARK Funds   . . . . . . . . . . . . . . . . . . . . . . . . . . .         November 1, 1995
      Monitor Funds   . . . . . . . . . . . . . . . . . . . . . . . . .         January 11, 1996
</TABLE>
    

      SFS provides numerous financial services to investment managers, pension
      plan sponsors, and bank trust departments.  These services include
      portfolio evaluation, performance measurement and consulting services
      ("Funds Evaluation") and automated execution, clearing and settlement of
      securities transactions ("MarketLink").

(b)   Furnish the Information required by the following table with respect to
each director, officer or partner of each principal underwriter named in the
answer to Item 21 of Part B.  Unless otherwise noted, the business address of
each director or officer is 680 East Swedesford Road, Wayne, PA  19087.

   
<TABLE>
<CAPTION>
                               Position and Office                                   Positions and Offices
Name                           with Underwriter                                      with Registrant
- ----                           ----------------                                      ---------------
<S>                            <C>                                                   <C>
Alfred P. West, Jr.            Director, Chairman & Chief Executive Officer                   --
Henry H. Greer                 Director, President & Chief
                               Operating Officer                                              --
Carmen V. Romeo                Director, Executive Vice President & Treasurer                 --
Gilbert L. Beebower            Executive Vice President                                       --
Richard B. Lieb                Executive Vice President                                       --
Charles A. Marsh               Executive Vice President-Capital Resources Division            --
Leo J. Dolan, Jr.              Senior Vice President                                          --
Carl A. Guarino                Senior Vice President
Jerome Hickey                  Senior Vice President                                          --
David G. Lee                   Senior Vice President                                 President and Chief
                                                                                     Executive Officer
William Madden                 Senior Vice President                                          --
A. Keith McDowell              Senior Vice President                                          --
Dennis J. McGonigle            Senior Vice President                                          --
Hartland J. McKeown            Senior Vice President                                          --
James V. Morris                Senior Vice President
Steven Onofrio                 Senior Vice President                                          --
Kevin P. Robins                Senior Vice President, General Counsel &              Vice President and
                                 Secretary                                           Assistant Secretary
Robert Wagner                  Senior Vice President                                          --
Patrick K. Walsh               Senior Vice President                                          --
Kenneth Zimmer                 Senior Vice President                                          --
Robert Crudup                  Managing Director                                              --
Vic Galef                      Managing Director                                              --
Kim Kirk                       Managing Director                                              --
John Krzeminski                Managing Director
Carolyn McLaurin               Managing Director & Vice President                             --
Barbara Moore                  Managing Director                                              --
Donald Pepin                   Managing Director                                              --
</TABLE>
    

<PAGE>   25


   
<TABLE>
<CAPTION>
                               Position and Office                                   Positions and Offices
Name                           with Underwriter                                      with Registrant
- ----                           ----------------                                      ---------------
<S>                            <C>                                                   <C>
Mark Samuels                   Managing Director                                              --
Wayne M. Withrow               Managing Director                                              --
Mick Duncan                    Team Leader                                                    --
Robert S. Ludwig               Team Leader & Vice President                                   --
Vicki Malloy                   Team Leader                                                    --
Robert Aller                   Vice President                                                 --
Steve Bendinelli               Vice President                                                 --
Cris Brookmyer                 Vice President & Controller                                    --
Gordon W. Carpenter            Vice President                                                 --
Robert B. Carroll              Vice President & Assistant Secretary                  Vice President and
                                                                                     Assistant Secretary
Todd Cipperman                 Vice President & Assistant Secretary                  Vice President and
                                                                                     Assistant Secretary
Ed Daly                        Vice President                                                 --
Jeff Drennen                   Vice President                                                 --
Lucinda Duncalfe               Vice President                                                 --
Kathy Heilig                   Vice President                                                 --
Larry Hutchison                Vice President                                                 --
Michael Kantor                 Vice President                                                 --
Samuel King                    Vice President                                                 --
Donald H. Korytowski           Vice President                                                 --
Jack May                       Vice President                                                 --
Sandra K. Orlow                Vice President & Assistant Secretary                  Vice President and
                                                                                     Assistant Secretary
Larry Pokora                   Vice President                                                 --
Kim Rainey                     Vice President                                                 --
Paul Sachs                     Vice President                                                 --
Steve Smith                    Vice President                                                 --
Daniel Spaventa                Vice President                                                 --
Kathryn L. Stanton             Vice President & Assistant Secretary                           --
William Zawaski                Vice President                                                 --
James Dougherty                Director of Brokerage Services                                 --
</TABLE>
    

ITEM 30.   LOCATION OF ACCOUNTS AND RECORDS:
   Books or other documents required to be maintained by Section 31(a) of the
   Investment Company Act of 1940, as amended ("1940 Act"), and the rules
   promulgated thereunder, are maintained as follows:

   (a)  With respect to Rules 31a-1(a); 31a-1(b)(1); (2)(a) and (b); (3); (6);
   (8); (12); and 31a-1(d), the required books and records are maintained at
   the offices of Registrant's Custodians:

          CoreStates Bank, N.A.                      First Interstate
          Broad and Chestnut Street                  Bank of Oregon
          P.O. Box 7618                              1300 S.W. Fifth Street
          Philadelphia, PA  19101                    Portland, OR  97208
<PAGE>   26
          Bank of New York
          48 Wall Street
          New York, NY  10286

   (b)  With respect to Rules 31a-1(a); 31a-1(b)(1); 31a-1(b)(4); (2)(C) and
   (D); (4); (5); (6); (8); (9); (10); (11); and 31a-1(c), the required books
   and records are maintained at the offices of Registrant's Manager:

                                SEI Financial Management Corporation
                                680 E. Swedesford Road
                                Wayne, PA 19087

   (c)  With respect to Rules 31a-1(b)(5), (6), (9) and (10) and 31a-1(f), the
   required books and records are maintained at the principal offices of the
   Registrant's Adviser:

   Wellington Management Company
   75 State Street
   Boston, Massachusetts 02109

ITEM 31.   MANAGEMENT SERVICES:   None

ITEM 32.   UNDERTAKINGS:

   Registrant hereby undertakes that whenever shareholders meeting the
requirements of Section 16(c) of the 1940 Act inform the Board of Trustees of
their desire to communicate with shareholders of the Trust, the Trustees will
inform such shareholders as to the approximate number of shareholders of record
and the approximate costs of mailing or afford said shareholders access to a
list of shareholders.

   Registrant undertakes to call a meeting of shareholders for the purpose of
voting upon the question of the removal of a Trustee(s) when requested in
writing to do so by the holders of at least 10% of Registrant's outstanding
shares and in connection with each meeting to comply with the provisions of
Section 16(c) of the Investment Company Act of 1940 Act relating to shareholder
communications.

   Registrant undertakes to furnish, upon request and without charge, to each
person to whom a prospectus is delivered, a copy of the Registrant's latest
annual report to shareholders, when such annual report is issued containing
information called for by Item 5A of Form N-1A.
<PAGE>   27
                                     NOTICE

   A copy of the Agreement and Declaration of Trust of SEI Daily Income Trust
(formerly now known as SEI Cash + Plus Trust) is on file with the Secretary of
State of the Commonwealth of Massachusetts and notice is hereby given that this
Registration Statement has been executed on behalf of the Trust by an officer
of the Trust as an officer and by its Trustees as trustees and not individually
and the obligations of or arising out of this Registration Statement are not
binding upon any of the Trustees, officers, or shareholders individually but
are binding only upon the assets and property of the Trust.
<PAGE>   28
                                   SIGNATURES

   
   Pursuant to the requirements of the Securities Act of 1933 and the
Investment Company Act of 1940, as amended, the Registrant certifies that it
meets all of the requirements for effectiveness of this Registration Statement
pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused
this Amendment to Registration Statement No. 2-77048 to be signed on its behalf
by the undersigned, thereunto duly authorized, in the City of Wayne,
Commonwealth of Pennsylvania on the 21st day of March, 1996.
    

                                      SEI DAILY INCOME TRUST
                                
                                      By /s/ DAVID G. LEE
                                         ----------------------------------
                                        David G. Lee,
                                        President & Chief Executive Officer
ATTEST:

/s/ JEFFREY A. COHEN
- ------------------------------------
Jeffrey A. Cohen,
Controller & Chief Financial Officer

   Pursuant to the requirements of the Securities Act of 1933, this Amendment
to the Registration Statement has been signed below by the following persons in
the capacity on the dates indicated.

   
<TABLE>
<S>                                                           <C>                                       <C>
                     *                                        Trustee                                   March 21, 1996
- ---------------------------------------------------                                                                    
           Richard F. Blanchard                                                               
                                                                                              
                     *                                        Trustee                                   March 21, 1996
- ---------------------------------------------------                                                                    
             William M. Doran                                                                 
                                                                                              
                     *                                        Trustee                                   March 21, 1996
- ---------------------------------------------------                                                                    
             F. Wendell Gooch                                                                 
                                                                                              
                     *                                        Trustee                                   March 21, 1996
- ---------------------------------------------------                                                                    
              Frank E. Morris                                                                 
                                                                                              
                     *                                        Trustee                                   March 21, 1996
- ---------------------------------------------------                                                                    
              James M. Storey                                                                 
                                                                                              
                     *                                        Trustee                                   March 21, 1996
- ---------------------------------------------------                                                                    
             Robert A. Nesher                                                                 
                                                                                              
         /s/ DAVID G. LEE                                     President & Chief                         March 21, 1996
- --------------------------------------------------               Executive Officer                                     
             David G. Lee                                        
                                                                                              
         /s/ JEFFREY A. COHEN                                 Controller & Chief                        March 21, 1996
- ---------------------------------------------------              Financial Officer                                     
             Jeffrey A. Cohen                                                                 


     *By:   /s/ DAVID G. LEE                 
     ----------------------------------------
                David G. Lee
             Attorney-in-Fact
</TABLE>
    
<PAGE>   29
                                 EXHIBIT INDEX
   
<TABLE>
<CAPTION>
EXHIBIT                                                                                                                         PAGE
- ------------------------------------------------------------------------------------------------------------------------------------
<S>              <C>
EX.99.B1         Declaration of Trust originally filed on March 15, 1982, in the Post-Effective Amendment to Form
                 N-1A, is incorporated by reference to Post-Effective Amendment No. 33 to Form N-1A, filed March
                 31, 1995.
EX.99.B2         By-Laws originally filed on March 15, 1982, in the Post-Effective Amendment to Form N-1A, is
                 incorporated by reference to Post-Effective Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B3         Not Applicable.
EX.99.B4         Not Applicable.
EX.99.B5(a)      Management Agreement dated May 23, 1986, as amended, originally filed in the Post-Effective Ame
                 ndment to Form N-1A, is incorporated by reference to Post-Effective Amendment No. 33 to Form N-1A,
                 filed March 31, 1995.
EX.99.B5(b)      Investment Advisory Agreement with Wellington Management Company, originally filed on December 15,
                 1986, in the Post-Effective Amendment to Form N-1A, is incorporated by reference to Post-Effective
                 Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B5(e)      Investment Advisory Agreement with Bear Stearns Asset Management, originally filed May 18, 1993,
                 in Post-Effective Amendment No. 28 to Form N-1A, is incorporated by reference to Post-Effective
                 Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B5(f)      Investment Advisory Agreement with Wellington Management Company relating to the Registrant's
                 Corporate Daily Income Portfolio and Government Securities Daily Income Portfolio originally filed
                 on May 18, 1993, in Post-Effective Amendment No. 28 to Form N-1A, is incorporated by reference to
                 Post-Effective Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B5(g)      Investment Advisory Agreement with Wellington Management Company relating to the Registrant's
                 Short-Term Mortgage Portfolio and Short Duration Mortgage Portfolio is incorporated by reference
                 to Post-Effective Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B6(a)      Distribution Agreement originally filed on July 15, 1982, in the Post-Effective Amendment to Form
                 N-1A, is incorporated by reference to Post-Effective Amendment No. 33 to Form N-1A, filed March
                 31, 1995.
EX.99.B6(b)      Supplement to Distribution Agreement originally filed on May 29, 1990, in Post-Effective Amendment
                 No. 22 to Form N-1A, is incorporated by reference to Post-Effective Amendment No. 33 to Form N-1A,
                 filed March 31, 1995.
EX.99.B6(c)      Supplement to Distribution Agreement originally filed on August 29, 1991, in Post-Effective
                 Amendment No. 24 to Form N-1A, is incorporated by reference to Post-Effective Amendment No. 33 to
                 Form N-1A, filed March 31, 1995.
EX.99.B(7)       Not Applicable.
EX.99.B8(a)      Custodian Agreement with UnitedStates National Bank of Oregon originally filed on July 15, 1982,
                 in the Post-Effective Amendment to Form N-1A, is incorporated by reference to Post-Effective
                 Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B8(b)      Custodian Agreement with First Interstate Bank of Oregon, N.A. originally filed on July 15, 1982,
                 in the Post-Effective Amendment to Form N-1A, is incorporated by reference to Post-Effective
                 Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B8(c)      Custodian Agreement with Manufacturers National Bank of Detroit originally filed on September 22,
                 1983, in the Post-Effective Amendment to Form N-1A, is incorporated by reference to Post-Effective
                 Amendment No. 33 to Form N-1A, filed March 31, 1995.
EX.99.B8(d)      Custodian Agreement with Philadelphia National Bank originally filed on August 30, 1985, in the
                 Post-Effective Amendment to Form N-1A, is incorporated by reference to Post-Effective Amendment
                 No. 33 to Form N-1A, filed March 31, 1995.
</TABLE>
    
<PAGE>   30
   
<TABLE>
<S>              <C>
EX.99.B9         Not Applicable.
EX.99.B10        Opinion and Consent of Counsel incorporated by Reference to Pre-Effective Amendment No. 1.
EX.99.B11        Consent of Independent Public Accountants is filed herewith.
EX.99.B12        Not Applicable.
EX.99.B13        Not Applicable.
EX.99.B14        Not Applicable.
EX.99.B15(a)     Class D Distribution Plan originally filed on April 1, 1993, in Post-Effective Amendment No. 27 to
                 Form N-1A, is incorporated by reference to Exhibit (6)(d) of Post-Effective Amendment No. 33 to
                 Form N-1A, filed March 31, 1995.
EX.99.B15(b)     Class A Distribution Plan is incorporated by reference to Post-Effective Amendment No. 34 to Form
                 N-1A, filed December 28, 1995.
EX.99.B15(c)     Class B Distribution Plan is incorporated by reference to Post-Effective Amendment No. 34 to Form
                 N-1A, filed December 28, 1995.
EX.99.B15(d)     Class C Distribution Plan is incorporated by reference to Post-Effective Amendment No. 34 to Form
                 N-1A, filed December 28, 1995.
EX.99.B15(e)     Class G Distribution Plan is filed herewith.
EX.99.B15(f)     Shareholder Service Agreement is filed herewith.
EX.99.B16        Performance Quotation Computation, Incorporated by Reference to Post-Effective Amendment No. 32 to
                 Form N-1A, filed April 1, 1994.
EX.99.B17        Powers of Attorney are incorporated by reference to Post-Effective Amendment No. 33 to Form N-1A,
                 filed March 31, 1995.
EX.99.B18(a)     Rule 18f-3 Multiple Class Plan is incorporated by reference to Post-Effective Amendment No. 34 to
                 Form N-1A, filed December 28, 1995.
EX.99.B18(b)     Amendment No. 1 to Rule 18f-3 Multiple Class Plan relating to Class G shares is filed herewith.
</TABLE>
    


<PAGE>   1



                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS




As independent public accountants, we hereby consent to the incorporation by
reference in this registration statement of our report dated March 8, 1995, on
the January 31, 1995 financial statements of SEI Daily Income Trust, included
in the Post-Effective Amendment No. 33 to the Registration Statement on Form
N-1A of SEI Daily Income Trust (No. 2-77048), and to all references to our Firm
included in or made part of Post-Effective Amendment No. 35 to Registration
Statement File No. 2-77048.


ARTHUR ANDERSEN LLP

Philadelphia, PA
  March 19, 1996








<PAGE>   1


                                                               EXHIBIT 99.B15(e)


                                DISTRIBUTION PLAN              
                             SEI DAILY INCOME TRUST

                                 CLASS G SHARES


         WHEREAS, SEI Daily Income Trust (the "Trust") is engaged in business
as an open-end investment company registered under the Investment Company Act
of 1940, as amended ("1940 Act"); and

         WHEREAS, the parties wish to amend and restate the terms of the
Distribution Plan previously adopted as set forth herein; and

         WHEREAS, the Trustees of the Trust have determined that there is a
reasonable likelihood that the following Distribution Plan will benefit the
Portfolios of the Trust listed on Exhibit A hereto (the "Portfolios") and the
owners of the Class G shares of such Portfolios (the "Shares");

         NOW, THEREFORE, the Trustees of the Trust hereby adopt this
Distribution Plan pursuant to Rule 12b-1 under the 1940 Act.

         SECTION 1.  The Trust has adopted this Class G Distribution Plan
("Plan") to enable the Trust to directly or indirectly bear expenses relating
to the distribution of the Shares of the Trust.

         SECTION 2.  The Trust will pay the Distributor a fee on the Shares of
the Portfolios up to the amount set forth on Exhibit A.  The Distributor may
use this fee toward (i) compensation for its services in connection with
distribution assistance or provision of shareholder services; or (ii) payments
to financial institutions and intermediaries such as banks, savings and loan
associations, insurance companies and investment counselors, broker-dealers and
the Distributor's affiliates and subsidiaries as compensation for services or
reimbursement of expenses incurred in connection with distribution assistance
or provision of shareholder services.

         SECTION 3.  This Plan shall not take effect with respect to any
Portfolio until it has been approved (a) by a vote of at least a majority of
the outstanding voting securities of the Shares of such Portfolio; and (b)
together with any related agreements, by votes of the majority of both (i) the
Trustees of the Trust and (ii) the Qualified Trustees, cast in person at a
Board of Trustees meeting called for the purpose of voting on this Plan or such
agreement.

         SECTION 4.  This Plan shall continue in effect for a period of more
than one year after it takes effect only for so long as such continuance is
specifically approved at least annually in the manner provided in Part (b) of
Section 3 herein for the approval of this Plan.

         SECTION 5.  Any person authorized to direct the disposition of monies
paid or payable by the Trust pursuant to this Plan or any related agreement
shall provide to the Trustees of the Trust, at least quarterly, a written
report of the amounts so expended and the purposes for which such expenditures
were made.

                                      1
<PAGE>   2
         SECTION 6.  This Plan may be terminated at any time by the vote of a
majority of the Qualified Trustees or by vote of a majority of the outstanding
voting securities of the Shares of the Portfolios.

         SECTION 7.  All agreements with any person relating to implementation
of this Plan shall be in writing, and any agreement related to this Plan shall
provide (a) that such agreement may be terminated at any time, without payment
of any penalty, by the vote of a majority of the Qualified Trustees or by the
vote of a majority of the Trust's outstanding voting securities of the Shares
of the Portfolios, on not more than 60 days written notice to any other party
to the agreement; and (b) that such agreement shall terminate automatically in
the event of its assignment.

         SECTION 8.  This Plan may not be amended to increase materially the
amount of distribution expenses permitted pursuant to Section 2 hereof without
the approval of Shareholders holding a majority of the outstanding voting
securities of the Shares of the Portfolios, and all material amendments to this
Plan shall be approved in the manner provided in Part (b) of Section 3 herein
for the approval of this Plan.

         SECTION 9.  As used in this Plan, (a) the term "Qualified Trustees"
shall mean those Trustees of the Trust who are not interested persons of the
Trust, and have no direct or indirect financial interest in the operation of
this Plan or any agreements related to it, and (b) the terms "assignment" and
"interested person" shall have the respective meanings specified in the 1940
Act and the rules and regulations thereunder, subject to such exemptions as may
be granted by the Securities and Exchange Commission.

         SECTION 10.  While this Plan is in effect, the selection and
nomination of those Trustees who are not interested persons of the Trust within
the meaning of Section 2(a)(19) of the 1940 Act shall be committed to the
discretion of the Trustees then in office who are not interested persons of the
Trust.

         SECTION 11.  This Plan shall not obligate the Trust or any other party
to enter into an agreement with any particular person.





                                       2
<PAGE>   3
                                   EXHIBIT A



<TABLE>
<S>                                                                                                                             <C>
Government Portfolio  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  .50%
</TABLE>





                                       3

<PAGE>   1
                                                               EXHIBIT 99.B15(f)


                    SHAREHOLDER SERVICE PLAN AND AGREEMENT
                            SEI DAILY INCOME TRUST

                                    CLASS G


                 SEI Daily Income Trust (the "Fund") is an open-end investment
company registered under the Investment Company Act of amended, and currently
consisting of a number of separately managed portfolios (the "Portfolios"). 
The Fund desires to retain SEI Financial Services Company (the "Distributor"),
a Pennsylvania corporation, to itself provide or to compensate service
providers who themselves provide, the services described herein to clients (the
"Clients") who from time to time beneficially own Class G shares ("Shares") of
any Portfolio of the Fund.  The Distributor is willing to itself provide or to
compensate service providers for providing, such shareholder services in
accordance with the terms and conditions of this Agreement.

SECTION 1.  The Distributor will provide, or will enter into written agreements
in the form attached hereto with service providers pursuant to which the
service providers will provide, one or more of the following shareholder
services to Clients who may from time to time beneficially own Shares:

            (i) maintaining accounts relating to Clients that invest in Shares;
            
            (ii) arranging for bank wires;

            (iii) responding to Client inquiries relating to the services
            performed by the Distributor or any service provider;

            (iv) responding to inquiries from Clients concerning their
            investments in Shares; and

            (v) assisting Clients in changing dividend options, account
            designations, and addresses.

SECTION 2.  The Distributor will provide all office space and equipment,
telephone facilities and personnel (which may be part of the space, equipment
and facilities currently used in the Distributor's business, or any personnel
employed by the Distributor) as may be reasonably necessary or beneficial in
order to fulfill its responsibilities under this Agreement.

SECTION 3.  Neither the Distributor nor any of its officers, employees, or
agents is authorized to make any representations concerning the Fund or the
Shares except those contained in the Fund's then-current prospectus or
Statement of Additional Information for the Shares, copies of which will be
supplied to the Distributor, or in such supplemental literature or advertising
as 
<PAGE>   2
may be authorized in writing.

SECTION 4.  For purposes of this Agreement, the Distributor and each service
provider will be deemed to be independent contractors, and will have no
authority to act as agent for the Fund in any matter or in any respect.  By its
written acceptance of this Agreement, the Distributor agrees to and does
release, indemnify, and hold the Fund harmless from and against any and all
direct or indirect liabilities or losses resulting from requests, directions,
actions, or inactions of or by the Distributor or its officers, employees, or
agents regarding the Distributor's responsibilities under this Agreement, the
provision of the aforementioned services to Clients by the Distributor or any
service provider, or the purchase, redemption, transfer, or registration of
Shares (or orders relating to the same) by or on behalf of Clients.  The
Distributor and its officers and employees will, upon request, be available
during normal business hours to consult with representatives of the Fund or its
designees concerning the performance of the Distributor's responsibilities
under this Agreement.

SECTION 5.  In consideration of the services and facilities to be provided by
the Distributor or any service provider, each Portfolio that has issued Class G
shares will pay to the Distributor a fee, as agreed from time to time, at an
annual rate of up to .25% (twenty-five basis points) of the average net asset
value of all Class G shares of each Portfolio, which fee will be computed daily
and paid monthly.  The Fund may, in its discretion and without notice, suspend
or withdraw the sale of Class G Shares of any Portfolio, including the sale of
Class G Shares to any service provider for the account of any Client or
Clients.  The Distributor may waive all or any portion of its fee from time to
time.

SECTION 6.  The Fund may enter into other similar servicing agreements with any
other person or persons without the Distributor's consent.

SECTION 7.  By its written acceptance of this Agreement, the Distributor
represents, warrants, and agrees that the services provided by the Distributor
under this Agreement will in no event be primarily intended to result in the
sale of Shares.

SECTION 8.  This Agreement will become effective on the date a fully executed
copy of this Agreement is received by the Fund or its designee and shall
continue until terminated by either party. This Agreement is terminable with
respect to the Class G Shares of any Portfolio, without penalty, at any time by
the Fund or by the Distributor upon written notice to the Fund.

SECTION 9.  All notices and other communications to either the Fund or to the
Distributor will be duly given if mailed, telegraphed, telefaxed, or
transmitted by similar communications device to the
<PAGE>   3
appropriate address stated herein, or to such other address as either party
shall so provide the other.

SECTION 10.  This Agreement will be construed in accordance with the laws of
the Commonwealth of Pennsylvania and may not be "assigned" by either party
thereto as that term is defined in the Investment Company Act of 1940.

SECTION 11.  References to the "SEI Daily Income Trust," the "Fund," and the
"Trustees" of the Fund refer respectively to the Trust created and the
Trustees as trustees, but not individually or personally, acting from time to
time under the Declaration of Trust of the Fund dated March 18, 1982, a copy
of which is on file with the Department of State of the Commonwealth of
Pennsylvania and at the Fund's principal office.  The obligations of the Fund
entered into in the name or on behalf thereof by any of the Trustees, officers,
representatives, or agents are made not individually, but in such capacities,
and are not binding upon any of the Trustees, shareholders, officers,
representatives, or agents of the Fund personally.  Further, the obligations of
the Fund with respect to any one Portfolio shall not be binding upon any other
Portfolio.

By their signatures, the Fund and the Distributor agree to the terms of this
Agreement.

SEI DAILY INCOME TRUST

By:                                            Date:                 
    -----------------------------------              ----------------


SEI FINANCIAL SERVICES COMPANY

By:                                            Date:                 
    -----------------------------------              ----------------





                                     - 3 -

<PAGE>   1

                                                                   EXHIBIT 18B

                                                                   Amendment #1



                            SEI DAILY INCOME TRUST
                       CERTIFICATE OF CLASS DESIGNATION

                                Class G Shares


1.   Class-Specific Distribution Arrangements; Other Expenses

     Class G shares are sold without a sales charge, but are subject to Rule
12b-1 plan payments of up to .50% payable to the Distributor for distribution
services, including (i) reviewing of purchase and redemption orders, (ii)
assisting in processing purchase, exchange and redemption requests, (iii)
providing certain shareholder communications, (iv) forwarding sales literature
provided by the Distributor, and (v) arranging for bank wires. Class G Shares
are also subject to a shareholder servicing fee of up to .25%, payable to the
Distributor under the Class G Shareholder Service Plan. Under this Plan, the
Distributor will provide or will enter into written agreements with service
providers who will provide one or more of the following shareholder services to
clients who may from time to time beneficially own shares: (i) maintaining
accounts relating to clients that invest in shares; (ii) arranging for
bankwires; (iii) responding to client inquiries relating to the services
performed by the Distributor or any service provider; (iv) responding to
inquiries from clients concerning their investments in shares; and (v)
assisting clients in changing dividend options, account designations, and
addresses.

2.   Eligibility of Purchasers

     Class G Shares do not require a minimum initial investment and are
available only to shareholders who are clients of or accountholders with City
National Bank.

3.   Exchange Privileges

     Class G Shares of the Fund may be exchanged for Class G Shares of any
other Fund of the Trust that creates Class G Shares in accordance with the
procedures disclosed in the Fund's Prospectus and subject to any applicable
limitations resulting from the closing of Funds to new investors.

4.   Voting Rights

     Each Class G shareholder will have one vote for each full Class G Share
held and a fractional vote for each fractional Class Share G held. Class G
shareholders will have exclusive voting rights regarding any matter submitted
to shareholders that relates solely to Class G (such as a distribution plan or
service agreement relating to Class G), and will have separate voting rights on
any other matter submitted to shareholders in which the interests of the Class
G Shareholders differ from the interests of holders of any other class.

5.   Conversion Rights

     Class G Shares do not have a conversion feature.





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