ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT

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                                                                   EXHIBIT 99.15

                ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT

     THIS ASSIGNMENT, ASSUMPTION AND RECOGNITION AGREEMENT (the "MLMH AAR") is
dated as of September 1, 2006, by and among Merrill Lynch Mortgage Holdings,
Inc., 4 World Financial Center, 10th Floor, New York, New York 10281 (the
"Assignor"), Merrill Lynch Mortgage Lending, Inc., having an address at 4 World
Financial Center, South Tower, New York, New York 10281 (the "Assignee") and
GreenPoint Mortgage Funding, Inc. (the "Servicer").

     WHEREAS, the Servicer, Terwin Advisors, LLC ("Terwin") and the Assignor, as
Purchaser entered into that certain Master Mortgage Loan Purchase and Servicing
Agreement, dated as of April 1, 2003 (as amended and in effect on the date
hereof, the "Purchase and Servicing Agreement"); and

     WHEREAS, the Assignor wishes to assign to the Assignee all of its right,
title and interest with respect to those certain mortgage loans set out on
Exhibit A to the Assignment, Assumption and Recognition Agreement (the
"GreenPoint AAR"), dated as of September 1, 2006, among the Assignee, Merrill
Lynch Mortgage Investors, Inc. ("MLMI") and the Servicer (the "Mortgage Loans")
under the Purchase and Servicing Agreement, with respect to the Mortgage Loans,
and Assignee wishes to assume all of Assignor's right, title and interest in and
to such Mortgage Loans as provided in the Purchase and Servicing Agreement.

     NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which hereby are acknowledged, and of the mutual covenants herein
contained, the parties hereto hereby agree as follows:

     1. Definitions. Defined terms used in this Assignment and not otherwise
defined herein shall have the meaning set forth in the Purchase and Servicing
Agreement.

     2. Assignment. The Assignor hereby assigns all of its right, title and
interest with respect to the Mortgage Loans, under the Purchase and Servicing
Agreement, to the Assignee.

     3. Assumption. The Assignee hereby accepts such assignment and assumes all
of the rights, title and interest of the Assignor with respect to