Exhibit 33.1


GMAC Mortgage



                  Management's Assertion Concerning Compliance
                With Regulation AB Item 1122 Servicing Criteria


March 6, 2007

GMAC Mortgage, LLC (the "Company") has responsibility for assessing compliance
to Regulation AB Item 1122(d) Servicing Criteria for the GMACM Private Platform
(the "Platform"). As of, and for the period ending December 31, 2006, the
Company has used the applicable 1122(d) servicing criteria listed below for
assessing compliance:

      -     1122(d)(1)(i),(ii),(iv); 1122(d)(2)(i),(ii),(iii),(v),(vi),(vii);
            1122(d)(3),(iii),(iv); 1122(d)(4)(iii),(iv),(v),(vi),(vii),(viii),
            (ix),(x),(xi),(xii),(xiii),(xiv),(xv)

The following servicing criteria are not applicable to the Company:

      -     1122(d)(1)(iii); 1122 (d)(2)(iv); 1122 (d)(3)(i),(ii);
            1122(d)(4)(i),(ii)

The Company has engaged certain vendors (the "Vendors") to perform specific and
limited, or scripted activities, and the Company elects to take responsibility
for assessing compliance with the servicing criteria applicable to the Vendors
set forth below:

      -     1122(d)(2)(i) 1122(d)(4)(iv)
      -     A vendor posts cash receipts received via lockbox submission to the
            Company's lockbox clearing account.

      -     1122(d)(4)(xi),(xiii)
      -     A vendor provides certain information to the Company to assist the
            Company in making tax and insurance payments on behalf of certain
            obligors.


The Company has not identified and is not aware of any material instance of
noncompliance by the Vendors with the applicable servicing criteria as of
December 31, 2006 and for the Reporting Period with respect to the Platform
taken as a whole. The Company has not identified any material deficiency in its
policies and procedures to monitor the compliance by the Vendors with the
applicable servicing criteria as of December 31, 2006 and for the Reporting
Period with respect to the Platform taken as a whole.

The Company has complied, in all material respects, with the applicable
servicing criteria above as of and for the period ending December 31, 2006 for
the asset-backed transactions listed in Appendix A taken as a whole (such
transactions, collectively, the "GMACM Private Platform").


<PAGE>


An independent registered public accounting firm has issued an attestation
report on the Company's assessment of compliance with the applicable
servicing criteria as of, and for the period ending December 31, 2006.


/S/ Anthony N. Rezi
-------------------------------------------
Anthony N. Rezi
Executive Vice President
GMAC Mortgage, LLC


<PAGE>


Appendix A
----------

Security

SACO 06-1
SACO 06-12
SACO 06-8
2006-5
SACO 06-10
SACO 06-6
SACO 06-7
SACO 06-9
SACO 06-9
GPMF2006AR6
GPMF2006AR7
GPMF2006AR8
2006-ARS1
LMT 2006-7
LXS06-18N
2006-B
BAFC 06-5
HBVW 06-SBI
GSMPS06RP1
GSR 2006-2F
GSR2006-AR1
GSR 2006-4F
MSM 06-10SL
MSM 06-14SL
GPMF2006AR4
GPMF2006AR5
LXS2006-12N
LXS2006-GP4
2006-3H
2006-GEL3
LMT 2006-2
SAIL2006-2
2006-4N
2006-GP1
2006-GP2
2006-GP3
LXS 06-10N
NAAC2006S1
NAAC2006S2
2006-GEL4
2006-RF2
2006-S1
LXS 06-10N
LXS 06-12N
LXS 2006-7
LXS 2006-8
LXS2006-11
LXS2006-13
<PAGE>

2006-1
MALT 2006-1
MALT 2006-3
MASD 2006-1
2006-HE1
CSMC 2006-1
CSMC 2006-8
CSMC 2006-9
LUM 2006-4
LUM 2006-5
MARM 06OA2
MARP 06-2
MIT 2006-1
MSM06-1AR
MSM06-9AR
MSM06-13ARX
MSM06-15XS
MSM06-16AX
MSM06-17XS
SASCO 06BC2
BAFC 06-1
BAFC 06-2
BAFC 06-4
GSR 2006-3F
MASTR 06-1
MASTR 06-3
MASD 2006-2
ACE2006-SL1
ACE20O6-SL4
MASD 2006-2
MASD 2006-3
BAYVW2006-D
BSABS06SD2
BSALTA 06-1
BSALTA 06-3
BSALTA 06-4
BSALTA 06-5
BSALTA 06-8
BSARM2006-2
DBALT06AB1
DBALT06AB2
DBALT06AB3
DBALT06AB4
DBALT06AF1
D8ALT06AR1
DBALT06AR2
DBALT06AR3
DBALT06AR5
DBALT06AR6
DBALT06OA1
HBRVW 06-10
HBRVW 06-8
HBRVW 06-8
PRIME06-CL1
<PAGE>

SACO 06-11
SAIL 2006-3
2006-AR3
2006-AR4
2006-S5
ARMT 2006-2
GSR2006-AR2
HBVW2006-13
HBVW2006-14
MARP 06-1
NHELI 06AF1