EXHIBIT 23 (h)(1) - AMENDMENT TO ADMINISTRATIVE SERVICES AGREEMENT

                 AMENDMENT TO ADMINISTRATIVE SERVICES AGREEMENT


         THIS AMENDMENT is made as of December 31, 2004 to the Administrative
Services Agreement dated January 1, 2004 (the "Agreement") by and among
AEGON/Transamerica Series Fund, Inc., Transamerica IDEX Mutual Funds,
Transamerica Income Shares, Inc. (the "Funds") and AEGON/Transamerica Fund
Services, Inc.

         WHEREAS, Section 6 of the Agreement permits amendments upon written
instruments signed by the parties to the Agreement; and

         WHEREAS, AEGON/Transamerica Fund Services, Inc. will change its name to
Transamerica Fund Services, Inc., effective January 1, 2005; and

         WHEREAS, the Board of Directors/Trustees of the Funds recently approved
an amendment to the fee schedule on Schedule A of the Agreement to two basis
points (0.02%) of the net daily assets of each series in the Funds.

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
set forth hereto, the parties agree as follows:

         NAME CHANGE: Any references to AEGON/Transamerica Fund Services, Inc.
         as the Administrator to the Funds will now be revised to mean
         Transamerica Fund Services, Inc., a Florida corporation, effective
         January 1, 2005.

         FEES: Schedule A of the Agreement setting forth the fee for
         administrative services (including legal, compliance and accounting) is
         amended as follows, effective January 1, 2005:

                  Two basis points (0.02%) of the daily net assets of each
         series in the Funds

         In all other respects, the Administrative Services Agreement, dated as
of January 1, 2004, is confirmed and remains in full force and effect.

         The parties hereto have caused this amendment to be executed as of
December 31, 2004.


                                           TRANSAMERICA IDEX MUTUAL FUNDS
AEGON/TRANSAMERICA FUND SERVICES, INC.

                                           By:
                                                 -------------------------------
By:                                        Name: Kim D. Day
      --------------------------------
Name: Kim D. Day                           Title: Senior Vice President,
Title: Senior Vice President and Treasurer        Treasurer and Chief Financial
                                                  Officer


TRANSAMERICA INCOME SHARES, INC.           AEGON/TRANSAMERICA SERIES FUND, INC.


By:                                        By:
      --------------------------------           -------------------------------
Name: Kim D. Day                           Name: Kim D. Day
Title: Senior Vice President, Treasurer    Title: Senior Vice President,
       and Chief Financial Officer                Treasurer and Chief Financial
                                                  Officer



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