Exhibit 4.2



                         SUBSEQUENT TRANSFER INSTRUMENT

         Pursuant to this Subsequent Transfer Instrument, dated January 27, 2005
(the "Instrument"), between Option One Mortgage Acceptance Corporation as seller
(the "Depositor") and Wells Fargo Bank, N.A. as trustee of the Option One
Mortgage Loan Trust 2005-1 Asset-Backed Certificates, Series 2005-1, as
purchaser (the "Trustee"), and pursuant to the Pooling and Servicing Agreement,
dated as of January 1, 2005 (the "Pooling and Servicing Agreement"), among the
Depositor as depositor, Option One Mortgage Corporation as master servicer (the
"Master Servicer") and the Trustee as trustee, the Depositor and the Trustee
agree to the sale by the Depositor and the purchase by the Trustee in trust, on
behalf of the Trust, of the Mortgage Loans listed on the attached Schedule of
Subsequent Mortgage Loans (the "Subsequent Mortgage Loans").

         Capitalized terms used but not otherwise defined herein shall have the
meanings set forth in the Pooling and Servicing Agreement.

         Section 1. Conveyance of Subsequent Mortgage Loans.

         (a) The Depositor does hereby sell, transfer, assign, set over and
convey to the Trustee in trust, on behalf of the Trust, without recourse, all of
its right, title and interest in and to the Subsequent Mortgage Loans, and
including all amounts due on the Subsequent Mortgage Loans after the Cut-off
Date, and all items with respect to the Subsequent Mortgage Loans to be
delivered pursuant to Section 2.01 of the Pooling and Servicing Agreement;
provided, however that the Depositor reserves and retains all right, title and
interest in and to amounts due on the Subsequent Mortgage Loans on or prior to
the Cut-off Date. The Depositor, contemporaneously with the delivery of this
Agreement, has delivered or caused to be delivered to the Trustee each item set
forth in Section 2.01 of the Pooling and Servicing Agreement. The transfer to
the Trustee by the Depositor of the Subsequent Mortgage Loans identified on the
Schedule of Subsequent Mortgage Loans shall be absolute and is intended by the
Depositor, the Master Servicer, the Trustee and the Certificateholders to
constitute and to be treated as a sale by the Depositor to the Trust Fund.

         (b) The Depositor, concurrently with the execution and delivery hereof,
does hereby transfer, assign, set over and otherwise convey to the Trustee
without recourse for the benefit of the Certificateholders all the right, title
and interest of the Depositor, in, to and under the Subsequent Mortgage Loan
Purchase Agreements, dated the date hereof, to the extent of the Subsequent
Mortgage Loans.

         (c) Additional terms of the sale are set forth on Attachment A hereto.

         Section 2. Representations and Warranties; Conditions Precedent.

         (a) The Depositor hereby confirms that each of the conditions precedent
and the representations and warranties set forth in Section 2.08 of the Pooling
and Servicing Agreement are satisfied as of the date hereof.

         (b) All terms and conditions of the Pooling and Servicing Agreement are
hereby ratified and confirmed; provided, however, that in the event of any
conflict, the provisions of this Instrument shall control over the conflicting
provisions of the Pooling and Servicing Agreement.

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         Section 3. Recordation of Instrument.

         To the extent permitted by applicable law, this Instrument, or a
memorandum thereof if permitted under applicable law, is subject to recordation
in all appropriate public offices for real property records in all of the
counties or other comparable jurisdictions in which any or all of the properties
subject to the Mortgages are situated, and in any other appropriate public
recording office or elsewhere, such recordation to be effected by the Master
Servicer at the Certificateholders' expense on direction of the related
Certificateholders, but only when accompanied by an Opinion of Counsel to the
effect that such recordation materially and beneficially affects the interests
of the Certificateholders or is necessary for the administration or servicing of
the Mortgage Loans.

         Section 4. Governing Law.

         This Instrument shall be construed in accordance with the laws of the
State of New York and the obligations, rights and remedies of the parties
hereunder shall be determined in accordance with such laws, without giving
effect to principles of conflicts of law.

         Section 5. Counterparts.

         This Instrument may be executed in one or more counterparts and by the
different parties hereto on separate counterparts, each of which, when so
executed, shall be deemed to be an original; such counterparts, together, shall
constitute one and the same instrument.

         Section 6. Successors and Assigns.

         This Instrument shall inure to the benefit of and be binding upon the
Depositor and the Trustee and their respective successors and assigns.


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                                OPTION ONE MORTGAGE ACCEPTANCE CORPORATION


                                By:  /s/ William L. O'Neil
                                   -------------------------------
                                Name:    William L. O'Neil
                                Title:   Treasurer


                                WELLS FARGO BANK, N.A., as Trustee
                                for Option One Mortgage Loan Trust 2005-1,
                                Asset-Backed Certificates, Series 2005-1


                                By:   /s/ Amy Doyle
                                    -------------------------------
                                Name:     Amy Doyle
                                Title:    Vice President


Attachments
A. Additional terms of sale.
B. Schedule of Subsequent Mortgage Loans.
C. Schedule of Prepayment Charges.




<PAGE>


                                  ATTACHMENT A
                                  ------------

                            ADDITIONAL TERMS OF SALE

A.       General

          1.   Subsequent Cut-off Date: January 1, 2005
          2.   Subsequent Transfer Date: January 27, 2005
          3.   Aggregate Principal Balance of the Subsequent Mortgage Loans as
               of the Subsequent Cut-off Date: $203,117,366.36
          4.   Purchase Price: 100%

B.        The obligation of the Trust Fund to purchase a Subsequent Mortgage
          Loan on any Subsequent Transfer Date is subject to the satisfaction of
          the conditions set forth in the immediately following paragraph and
          the accuracy of the following representations and warranties with
          respect to each such Subsequent Mortgage Loan determined as of the
          applicable Subsequent Cut-off Date: (i) such Subsequent Mortgage Loan
          may not be 30 or more days delinquent as of the last day of the month
          preceding the Subsequent Cut-off Date; (ii) the original term to
          stated maturity of such Subsequent Mortgage Loan will not be less than
          120 months and will not exceed 360 months; (iii) the Subsequent
          Mortgage Loan may not provide for negative amortization; (iv) such
          Subsequent Mortgage Loan will not have a Loan-to-Value Ratio greater
          than 100.00%; (v) such Subsequent Mortgage Loans will have, as of the
          Subsequent Cut-off Date, a weighted average term since origination not
          in excess of 360 months; (vi) such Subsequent Mortgage Loan, if a
          Fixed Rate Mortgage Loan, shall have a Mortgage Rate that is not less
          than 4.500% per annum or greater than 14.500% per annum; (vii) such
          Subsequent Mortgage Loan shall have been serviced by the Master
          Servicer since origination, the date of purchase or the date of
          acquisition of the servicing (viii) each of the Subsequent Mortgage
          Loans will have a first payment date occurring on or before February
          1, 2005; (ix) if the Subsequent Mortgage Loan is an Adjustable Rate
          Mortgage Loan, the Subsequent Mortgage Loan will have a Gross Margin
          not less than 2.500% per annum; (x) if the Subsequent Mortgage Loan is
          an Adjustable Rate Mortgage Loan, the Subsequent Mortgage Loan will
          have a Maximum Mortgage Rate not less than 10.200% per annum; (xi) if
          the Subsequent Mortgage Loan is an Adjustable Rate Mortgage Loan, the
          Subsequent Mortgage Loan will have a Minimum Mortgage Rate not less
          than 4.000% per annum, and (xii) such Subsequent Mortgage Loan shall
          have been underwritten in accordance with the criteria set forth under
          "Option One Mortgage Corporation-Underwriting Standards" in the
          Prospectus Supplement.

C.        Following the purchase of any Subsequent Group I Mortgage Loan by the
          Trust, the Group I Mortgage Loans (including such Subsequent Group I
          Mortgage Loans) will: (i) have a weighted average original term to
          stated maturity of not more than 360 months; (ii) have a weighted
          average Mortgage Rate of not less than 5.000% per annum and not more
          than 12.500% per annum; (iii) have a weighted average Loan-to-Value
          Ratio of not more than 80.00%; (iv) have no Mortgage Loan with an
          original principal balance which does not conform to Fannie Mae and
          Freddie Mac guidelines; (v) will consist of Mortgage Loans with
          Prepayment Charges representing no less than 68.00% by aggregate
          Stated Principal Balance of the Group I Mortgage Loans; (vi) will have
          second lien Mortgage Loans comprising no more than 2.00% of the Group
          I Mortgage Loans, (vii) have no more than 30.00% of Fixed Rate
          Mortgage Loans by aggregate Stated Principal Balance of the Group I
          Mortgage Loans, (viii) will have a weighted average FICO score of not
          less than 600 and (ix) will consist of Mortgage Loans covered by the
          PMI Policy representing no less than 60.00% by aggregate Stated
          Principal Balance of the Group I Mortgage Loans. In addition, the
          Adjustable Rate Group I Mortgage Loans will have a weighted

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          average Gross Margin not less than 4.500% per annum. For purposes of
          the calculations described in this paragraph, percentages of the Group
          I Mortgage Loans will be based on the Stated Principal Balance of the
          Initial Group I Mortgage Loans as of the Cut-off Date and the Stated
          Principal Balance of the Subsequent Group I Mortgage Loans as of the
          related Subsequent Cut-off Date.

D.        Following the purchase of any Subsequent Group II Mortgage Loan by the
          Trust, the Group II Mortgage Loans (including such Subsequent Group II
          Mortgage Loans) will: (i) have a weighted average original term to
          stated maturity of not more than 360 months; (ii) have a weighted
          average Mortgage Rate of not less than 5.000% per annum and not more
          than 12.500% per annum; (iii) have a weighted average Loan-to-Value
          Ratio of not more than 80.00%; (iv) have no Mortgage Loan with a
          principal balance in excess of $1,500,000; (v) will consist of
          Mortgage Loans with Prepayment Charges representing no less than
          68.00% by aggregate Stated Principal Balance of the Group II Mortgage
          Loans; (vi) will have second lien Mortgage Loans comprising no more
          than 2.00% of the Group I Mortgage Loans, (vii) have no more than
          30.00% of Fixed Rate Mortgage Loans by aggregate Stated Principal
          Balance of the Group II Mortgage Loans, (viii) will have a weighted
          average FICO score of not less than 600 and (ix) will consist of
          Mortgage Loans covered by the PMI Policy representing no less than
          60.00% by aggregate Stated Principal Balance of the Group II Mortgage
          Loans. In addition, the Adjustable Rate Group II Mortgage Loans will
          have a weighted average Gross Margin not less than 4.500% per annum.
          For purposes of the calculations described in this paragraph,
          percentages of the Group II Mortgage Loans will be based on the Stated
          Principal Balance of the Initial Group II Mortgage Loans as of the
          Cut-off Date and the Stated Principal Balance of the Subsequent Group
          II Mortgage Loans as of the related Subsequent Cut-off Date.

E.        Notwithstanding the foregoing, any Subsequent Mortgage Loan may be
          rejected by (i) the NIMS Insurer or (ii) any Rating Agency if the
          inclusion of any such Subsequent Mortgage Loan would adversely affect
          the ratings of any Class of Certificates. At least one Business Day
          prior to the Subsequent Transfer Date, each Rating Agency shall notify
          the Trustee as to which Subsequent Mortgage Loans, if any, shall not
          be included in the transfer on the Subsequent Transfer Date; provided,
          however, that the Master Servicer, in its capacity as Originator,
          shall have delivered to each Rating Agency at least three Business
          Days prior to such Subsequent Transfer Date a computer file acceptable
          to each Rating Agency describing the characteristics specified in
          paragraphs (c) and (d) above.




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