[LETTERHEAD OF NATIONAL CITY MORTGAGE]


              MANAGEMENT'S ASSERTION ON COMPLIANCE WITH REGULATION AB CRITERIA

National City Mortgage Co. (the "Asserting  Party") is responsible for assessing
compliance,  as of and for the year  ended  December  31,  2006 (the  "Reporting
Period"),  with the  servicing  criteria set forth in Item 1122(d) of Regulation
AB, excluding the criteria set forth in item  1122(d)(1)(iii),  1122(d)(3)(i)(C)
and  1122(d)(4)(ii)(xv)   which  the  Asserting  Party  has  concluded  are  not
applicable  to the  activities  it  performs,  either  directly  or through  its
Vendors, with respect to the residential mortgage-backed securities transactions
covered by this report (such criteria, the "Applicable Servicing Criteria"). The
transactions  covered by this  report  include all  residential  mortgage-backed
securities  that were completed on or after January 1, 2006 that were registered
with the  Securities and Exchange  Commission  pursuant to the Securities Act of
1933 (the "Platform"), as listed on Appendix A.

The Asserting Party has engaged certain vendors ("Vendors") to perform specific,
limited or scripted  activities as of and for the year ended  December 31, 2006.
The Asserting  Party has policies and  procedures  in place  designed to provide
reasonable  assurance  that  the  vendors'  activities  comply  in all  material
respects with the servicing  criteria  applicable to each Vendor.  The Asserting
Party is responsible for determining that it meets the SEC requirements to apply
Interpretation  17.06 for the Vendors and related criteria.  The Asserting Party
elects  to take  responsibility  for  assessing  compliance  with the  servicing
criteria or portion of the  servicing  criteria  applicable  to such Vendors for
servicing criteria 1122(d)(4)(xi) and 1122(d)(4)(xii).

The  Asserting  Party has obtained an assertion of management  and  accompanying
1122  attestation   report  from  the  Vendor  performing   servicing   criteria
1122(d)(2)(i) and 1122(d)(4)(iv).

The  Asserting  Party has  assessed  compliance  with the  Applicable  Servicing
Criteria for the Reporting Period and has concluded that it has complied, in all
material respects,  with the Applicable  Servicing Criteria during the Reporting
Period with respect to the Platform taken as a whole, except as noted below:

There were 29  possible  instances  where the  Asserting  Party did not  prepare
default  loan data reports for the master  servicer  within the  timeframes  set
forth in the transaction agreements as required in section 1122(d)(3)(i)(A). All
other loan level reports were completed as required.

Ernst & Young LLP, an independent  registered public accounting firm, has issued
an attestation  report for the Platform on the Asserting  Party's  assessment of
compliance  with the Applicable  Servicing  Criteria as of and for the Reporting
Period as set forth in this assertion.

National City Mortgage Co., as Servicer

By: /s/ T. Jackson Case, Jr.                Date:  March 13, 2007
Name:   T. Jackson Case, Jr.
Title:  Executive Vice President


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                                   Appendix A
DEAL NAME
ARMT  2006-2
BAFC  2006-1
BAFC  2006-2
BAFC 2006-3
BAFC 2006-4
BAFC 2006-5 B
AFC 2006-A
BAFC 2006-I
Bayview  2006-C
BSABS  2006-AC3
BSABS  2006-AC5
CMLTI 2006-4
CMLTI  2006-AR3
CMLTI  2006-AR5
CSMC 2006-3
DBALT  2006-AB2
DBALT 2006-AB4
DBALT 2006-AF1
DBALT 2006-AR1
DBALT 2006-AR5
GSAA 2006-11
GSAA 2006-12
GSAA  2006-14
GSAA 2006-16
GSAA 2006-3
GSAA 2006-5
GSAA 2006-9
GSAA 2006-20
GSR 2006-AR1
GSR 2006-8F
GSR 2006-9F
GSR 2006-AR2
JPALT 2006-S4
JPMMT 2006-S1
JPMMT 2006-S3
JPMMT 2006-S4
LMT 2006-6
LMT 2006-7
LXS  2006-20
MASTR  2006-1
MASTR 2006-3
MLMI 2006-A3
MLMI 2006-A4
MLMI 2006-F1
PRIME 2006-1
PRIME  2006-CL1
RESI 2006-B
RFC 2006-QA4
RFC  2006-QA5
RFC  2006-QA11
RFC 2006-QS1
RFC 2006-QS2
RFC2006-QS3
RFC  2006-QS4
RFC 2006-QS5
RFC 2006-QS6
RFC 2006-QS7
FC 2006-QS8
RFC 2006-QS10
RFC 2006-QS11
RFC 2006-QS12
RFC 2006-QS13
RFC 2006-QS16
RFC 2006-QS17
RFC  2006-QS18
RFC 2006-RZ3
RFC 2006-S10
RFC 2006-S11
RFC 2006-S12
SAMI 2006-AR3
WMLT 2006-A
WMLT 2006-ALT1