HOME
      LOAN






**FORM
      OF OFFICER'S CERTIFICATE OF SERVICER**




**March
      12, 2007**




Merrill
      Lynch Mortgage Investors, Inc.


250
      Vesey
      Street


4
      World
      Financial Center, 10th Floor


New
      York,
      New York 10080




LaSalle
      Bank National Association


Attn:
      Global Securities and Trust Services MLMI2006-FF1


135
      South
      LaSalle Street, Suite 1511


Chicago,
      IL 60603




Re:  Merrill
      Lynch
      Mortgage Investors Trust, Series 2006-FF1




Home
      Loan
      Services, Inc., f/k/a National City Home Loan Services, Inc. (the "Servicer")
      certifies to
      the
      Depositor and the Trustee, and their officers, directors and affiliates, and
      with the knowledge and intent
      that they will rely upon this certification, that:




(1)
      I am
      responsible for reviewing the activities performed by the Servicer under the
      Pooling and
      Servicing Agreement and I have reviewed, or persons under my supervision have
      reviewed, the servicer
      compliance statement of the Servicer and the compliance statements of each
      Subservicer, if any, engaged
      by the Servicer provided to the Depositor and the Trustee for the Issuing
      Entity's fiscal year 2006
      in
      accordance with Item 1123 of Regulation AB (each a "Compliance Statement"),
      the
      report on assessment
      of the Servicer's compliance with the servicing criteria set forth in Item
      1122(d) of Regulation AB
      (the
      "Servicing Criteria") and reports on assessment of compliance with servicing
      criteria for asset- backed
      securities of the Servicer and of each Subservicer, if any, engaged or utilized
      by the Servicer provided
      to the Depositor and the Trustee for the Issuing Entity's fiscal year 2006
      in
      accordance with Rules
      13a-18 and 15d-18 under Securities Exchange Act of 1934, as amended (the
      "Exchange Act") and Item 1122 of Regulation AB (each a "Servicing Assessment"),
      the registered public accounting firm's attestation
      report provided in accordance with Rules 13a-18 and 15d-18 under the Exchange
      Act and Section 1122(b) of Regulation AB related to each Servicing Assessment
      (each a "Attestation Report"), and
      all
      servicing reports, officer's certificates and other information relating to
      the
      servicing of the Mortgage
      Loans by the Servicer during 2006 that were delivered or caused to be delivered
      by the Servicer pursuant to the Agreement (collectively, the "Servicing
      Information");




**Loan
      Services**


RO.
      Box
      1838


Pittsburgh,
      PA 15230-1838




**Merrill
      Lynch**


Home
      Loan
      Services is a subsidiary


of
      Merrill
      Lynch Bank and Trust Co., FSB







(2)  Based
      on
      my knowledge, and assuming the accuracy of the information provided to the Servicer
      by third parties in connection with the performance of the Servicer's duties
      under the Pooling and
      Servicing Agreement, the Servicing Information, taken as a whole, does not
      contain any untrue statement
      of a material fact or omit to state a material fact necessary to make the
      statements made, in the light
      of
      the circumstances under which such statements were made, not misleading with
      respect to the period
      of
      time covered by the Servicing Information;




(3)  Based
      on
      my knowledge, the servicing information required to be provided to the Trustee by
      the
      Servicer pursuant to the Pooling and Servicing Agreement has been provided
      to
      the Trustee;




(4)  Based
      on
      my knowledge and the compliance review conducted in preparing each Compliance
      Statement of the Servicer and, if applicable, reviewing each Compliance
      Statement of each Subservicer,
      if any, engaged by the Servicer, and except as disclosed in such Compliance
      Statement, the Servicer
      has fulfilled its obligations under the Pooling and Servicing Agreement in
      all
      material respects.




(5)  Each
      Servicing Assessment of the Servicer and of each Subservicer, if any, engaged
      or utilized
      by the Servicer and its related Attestation Report required to be included
      in
      the Annual Report in accordance
      with Item 1122 of Regulation AB and Exchange Act Rules 13 a-18 and 15d-18 has
      been provided
      to the Depositor and the Trustee. Any material instances of non-compliance
      are
      described in any
      such
      Servicing Assessment or Attestation Report.




Date:
      March 12, 2007




Home
      Loan
      Services, Inc., f/k/a National City Home Loan Services, Inc., as
      Servicer




By:  /s/
      Steven A. Baranet


Name:
      Steven A. Baranet


Title:  
      Vice President


(Senior
      Officer in charge of the servicing function of
      the servicer)