Document:

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                                                                    Exhibit 10.1

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                         U.S. BANK NATIONAL ASSOCIATION
                               as Trustee for the
         C-BASS Mortgage Loan Asset-Backed Certificates, Series 2006-CB6

                                       and

                            LITTON LOAN SERVICING LP,

                                   as Servicer

                                       and

                              THE BANK OF NEW YORK,

                                  as Custodian

                               CUSTODIAL AGREEMENT

                            dated as of July 1, 2006

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                                TABLE OF CONTENTS

                                                                           Page

Section 1. Definitions.......................................................1
Section 2. Delivery of Custodial Files.......................................5
Section 3. Custodian as Bailee...............................................6
Section 4. Acknowledgement of Receipt; Trust Receipts........................6
Section 5. Obligations of the Custodian......................................7
Section 6. Initial and Final Certifications..................................7
Section 7. Representations and Warranties of the Custodian...................8
Section 8. Future Defects....................................................9
Section 9. Release for Servicing.............................................9
Section 10. RESERVED.........................................................9
Section 11. Release for Payment..............................................9
Section 12. Fees of Custodian...............................................10
Section 13. Removal of Custodian............................................10
Section 14. Transfer of Custodial Files Upon Termination....................10
Section 15. Examination of Custodial Files..................................10
Section 16. Insurance of Custodian..........................................10
Section 17. Counterparts....................................................11
Section 18. Periodic Statements.............................................11
Section 19. GOVERNING LAW...................................................11
Section 20. Copies of Mortgage Documents....................................11
Section 21. No Adverse Interest of Custodian................................11
Section 22. Termination by Custodian........................................11
Section 23. Term of Agreement...............................................12
Section 24. Notices.........................................................12
Section 25. Successors and Assigns..........................................12
Section 26. Concerning the Custodian........................................12
Section 27. Reliance of Custodian...........................................13
Section 28. Transmission of Custodial Files.................................13
Section 29. Authorized Representatives......................................13

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Section 30. Reproduction of Documents.......................................14
Section 31. Limitations on the Responsibilities of the Custodian............14
Section 32. WAIVER OF JURY TRIAL............................................15
Section 33. Regulation AB...................................................16
Section 34. Third-Party Beneficiary.........................................17

EXHIBITS
EXHIBIT 1   FORM OF ACKNOWLEDGEMENT OF RECEIPT
EXHIBIT 2A  FORM OF TRUST RECEIPT AND INITIAL CERTIFICATION
EXHIBIT 2B  FORM OF TRUST RECEIPT AND FINAL CERTIFICATION
EXHIBIT 3   FORM OF REQUEST FOR RELEASE OF DOCUMENTS AND RECEIPT
EXHIBIT 4   AUTHORIZED REPRESENTATIVES OF SERVICER
EXHIBIT 5   AUTHORIZED REPRESENTATIVES OF TRUSTEE
EXHIBIT 6   MORTGAGE LOAN SCHEDULE
EXHIBIT 7   FORM OF ANNUAL CERTIFICATION

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                  THIS CUSTODIAL AGREEMENT (the "Custodial Agreement"), dated as
of July 1, 2006, by and among U.S. Bank National Association, a national banking
association having an address 60 Livingston Avenue, EP-MN-WS3D, St. Paul,
Minnesota 55107-2292, Attention: Structured Finance-C-BASS 2006-CB6, not
individually, but solely as trustee for C-BASS Mortgage Loan Asset-Backed
Certificates, Series 2006-CB6 (the "Trustee"), Litton Loan Servicing LP, a
Delaware limited partnership having an address at 4828 Loop Central Drive,
Houston, Texas 77081, as servicer (the "Servicer"), and The Bank of New York, a
New York banking corporation having an address at 101 Barclay Street, 8W, New
York, New York 10286, as custodian (the "Custodian").

                              W I T N E S S E T H:
                               - - - - - - - - - -

                  WHEREAS, Asset Backed Funding Corporation (the "Depositor")
has agreed to purchase certain one-to-four family, adjustable-rate and
fixed-rate mortgage loans secured by first and second liens on residential real
properties (together, the "Mortgage Loans") from Credit-Based Asset Servicing
and Securitization LLC (the "Seller"), pursuant to the terms and conditions of a
Mortgage Loan Purchase Agreement, dated as of July 1, 2006 between the Depositor
and the Seller (the "Purchase Agreement"); and

                  WHEREAS, the Servicer is to service the Mortgage Loans
pursuant to the terms and conditions of a Pooling and Servicing Agreement, of
even date herewith among the Depositor, the Seller, the Servicer and the Trustee
(the "Pooling and Servicing Agreement"), and the Trustee will retain record
title to the Mortgage Loans; and

                  WHEREAS, the Custodian is a New York banking corporation and
is otherwise authorized to act as Custodian pursuant to this Custodial
Agreement; and

                  NOW THEREFORE, in consideration of the mutual undertakings
herein expressed, the parties hereto hereby agree as follows:

Section 1. Definitions.

                  Capitalized terms used but not defined herein shall have the
meanings assigned to them in the Pooling and Servicing Agreement.

                  Acknowledgment of Receipt: A trust receipt and acknowledgment
as to each Mortgage Loan, which Acknowledgment of Receipt is delivered to the
Trustee by the Custodian in the form annexed hereto as Exhibit 1.

                  Adjustment Date: With respect to each Adjustable Rate Mortgage
Loan, the date set forth in the related Mortgage Note on which the Mortgage
Interest Rate on the Mortgage Loan is adjusted in accordance with the terms of
the Mortgage Note.

                  Adjustable Rate Mortgage Loan: A Mortgage Loan that provides
for the adjustment of the Mortgage Interest Rate payable in respect thereof.

                  Agreement: This Custodial Agreement and all amendments,
attachments and supplements hereto.

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                  ALTA: American Land Title Association or any successor
thereto.

                  Appraised Value: With respect to any Mortgage Loan, the value
of the related Mortgaged Property based upon the appraisal made for the
originator at the time of origination of the Mortgage Loan or the sale price of
the Mortgaged Property at such time of origination (whichever is less; provided,
however, that in the case of a Refinanced Mortgage Loan, such value is based
solely upon the appraisal made at the time of origination of such Refinanced
Mortgage Loan).

                  Assignment of Mortgage: An assignment of the Mortgage, notice
of transfer or equivalent instrument in recordable form, sufficient under the
laws of the jurisdiction wherein the related Mortgaged Property is located to
reflect, when recorded, the sale of the Mortgage to the Trust, which assignment,
notice of transfer or equivalent instrument may be in the form of one or more
blanket assignments covering the Mortgage Loans secured by Mortgaged Properties
located in the same jurisdiction, if permitted by law and acceptable for
recording in the applicable recording office.

                  Business Day: Any day other than a Saturday, Sunday or a day
on which banking institutions in the State of New York and the State of Texas
are authorized or obligated by law or executive order to be closed.

                  Closing Date:  July 31, 2006.

                  Commission. The United States Securities and Exchange
Commission.

                  Custodian: The Bank of New York, or its successor in interest
or assigns, or any successor to the Custodian under this Custodial Agreement as
herein provided.

                  Custodial File: As to each Mortgage Loan, any mortgage loan
documents which are delivered to the Custodian or which at any time come into
the possession of the Custodian as set forth in Section 2 of this Custodial
Agreement.

                  Cut-off Date:  July 1, 2006.

                  Delivery Date: The date which occurs five (5) Business Days
prior to the Closing Date or such other date as mutually agreed upon by the
Trustee, the Custodian and the Servicer.

                  Eligible Substitute Mortgage Loans: As defined in the Pooling
and Servicing Agreement.

                  Fannie Mae: Formerly known as the Federal National Mortgage
Association, or any successor organization.

                  Freddie Mac: The Federal Home Loan Mortgage Corporation, or
any successor organization.

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                  Gross Margin: With respect to any Adjustable Rate Mortgage
Loan, the fixed percentage amount set forth in the related Mortgage Note and the
related Mortgage Loan Schedule that is added to the Index on each Adjustment
Date in accordance with the terms of the related Mortgage Note to determine the
new Mortgage Interest Rate for such Mortgage Loan.

                  Index: With respect to each Adjustable Rate Mortgage Loan, a
rate per annum to which the Gross Margin is added on each Adjustment Date to
determine the new Mortgage Interest Rate for such Mortgage Loan.

                  Maximum Mortgage Interest Rate: With respect to each
Adjustable Rate Mortgage Loan, an interest rate that is set forth on the related
Mortgage Loan Schedule and in the related Mortgage Note and that is the maximum
interest rate to which the Mortgage Interest Rate on such Mortgage Loan may be
increased on any Adjustment Date.

                  Minimum Mortgage Interest Rate: With respect to each
Adjustable Rate Mortgage Loan, an interest rate that is set forth on the related
Mortgage Loan Schedule and in the related Mortgage Note and that is the minimum
interest rate to which the Mortgage Interest Rate on such Mortgage Loan may be
decreased on any Adjustment Date.

                  Mortgage: The mortgage, deed of trust or other instrument
securing a Mortgage Note, which creates a first or second lien on Mortgaged
Property securing the Mortgage Note.

                  Mortgage Interest Rate: With respect to each Mortgage Loan,
the annual rate at which interest accrues on such Mortgage Loan from time to
time in accordance with the provisions of the related Mortgage Note, which rate,
as of the Cut-off Date, shall be the rate set forth in the related Mortgage Loan
Schedule as the Mortgage Interest Rate.

                  Mortgage Loan: Each mortgage loan sold, assigned or
transferred pursuant to this Custodial Agreement and identified on the Mortgage
Loan Schedule attached hereto as Exhibit 6.

                  Mortgage Loan Schedule: The schedule of Mortgage Loans
identified in the Pooling and Servicing Agreement to be delivered to the
Custodian on the Delivery Date and to be annexed hereto as Exhibit 6.

                  Mortgage Note: The note or other evidence of the indebtedness
of a Mortgagor secured by a Mortgage.

                  Mortgaged Property: With respect to each Mortgage Loan, the
Mortgagor's real property securing repayment of the debt evidenced by a Mortgage
Note, consisting of a fee simple interest in a single or contiguous parcel of
real property.

                  Mortgagor: The obligor on a Mortgage Note, the owner of the
Mortgaged Property and the grantor or mortgagor named in the related Mortgage
and such grantor's or mortgagor's successors in title to the Mortgaged Property.

                  Officer's Certificate: A certificate signed by the Chairman of
the Board or Vice Chairman of the Board, or the President, Senior Vice
President, Vice President, Assistant Vice President, Treasurer, Assistant
Treasurer, Secretary or Assistant Secretary of the Person delivering such
certificate.

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                  Person: Any individual, corporation, partnership, joint
venture, association, joint-stock company, trust, unincorporated organization,
limited liability company, limited partnership, government or any agency or
political subdivision thereof.

                  Primary Insurance Policy: Each policy of primary mortgage
guaranty insurance in effect with respect to any Mortgage Loan, or any
replacement policy therefor obtained by the Servicer issued by a Qualified
Insurer, as required by Section 3.08 of the Pooling and Servicing Agreement with
respect to certain Mortgage Loans.

                  Qualified Insurer: Any insurance company acceptable to Fannie
Mae or Freddie Mac.

                  Refinanced Mortgage Loan: A Mortgage Loan that was made to a
Mortgagor who owned the Mortgaged Property prior to the origination of such
Mortgage Loan.

                  Regulation AB. Subpart 229.1100 - Asset Backed Securities
(Regulation AB), 17 C.F.R. ss.ss.229.1100-229.1123, as such may be amended from
time to time, and subject to such clarification and interpretation as have been
provided by the Commission in the adopting release (Asset-Backed Securities,
Securities Act Release No. 33-8518, 70 Fed. Reg. 1,506, 1,531 (Jan. 7, 2005)) or
by the staff of the Commission, or as may be provided by the Commission or its
staff from time to time.

                  Servicer: Litton Loan Servicing LP, or its successor in
interest or assigns, or any successor to the Servicer under the Pooling and
Servicing Agreement as therein provided.

                  Servicing Criteria. The "servicing criteria" set forth in
Items 1122(d)(1)(ii), 1122(d)(4)(i) and 1122(d)(4)(ii) of Regulation AB, as such
may be amended from time to time.

                  Subcustodian: The Bank of New York Trust Company, N.A. having
an address at 5730 Katella Avenue, Cypress, California 90630.

                  Subcontractor: Any vendor, subcontractor or other Person that
is not responsible for the overall servicing (as "servicing" is commonly
understood by participants in the mortgage-backed securities market) of Mortgage
Loans but performs one or more discrete functions identified in Item 1122(d) of
Regulation AB with respect to Mortgage Loans under the direction or authority of
the Custodian or a Subservicer.

                  Subservicer: Any Person that services Mortgage Loans on behalf
of the Custodian or any Subservicer and is responsible for the performance
(whether directly or through Subservicers or Subcontractors) of a substantial
portion of the material servicing functions required to be performed by the
Custodian under this Agreement or any Reconstitution Agreement that are
identified in Item 1122(d) of Regulation AB.

                  Trust Receipt: Either an Acknowledgment of Receipt, Trust
Receipt and Initial Certification or a Trust Receipt and Final Certification.

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                  Trust Receipt and Final Certification: A trust receipt and
final certification as to each Mortgage Loan, which Trust Receipt and Final
Certification is delivered to the Trustee by the Custodian in the form annexed
hereto as Exhibit 2B.

                  Trust Receipt and Initial Certification: A trust receipt and
initial certification as to each Mortgage Loan, which Trust Receipt and Initial
Certification is delivered to the Trustee by the Custodian in the form annexed
hereto as Exhibit 2A.

                  Trustee: U.S. Bank National Association, as Trustee for the
C-BASS Mortgage Loan Asset-Backed Certificates, Series 2006-CB6, or its
successor in interest or assigns.

                  Section 2. Delivery of Custodial Files.

                  (a) The Servicer will deliver and release to the Custodian or
the Subcustodian on the Delivery Date the following original documents
pertaining to each of the Mortgage Loans identified in the Mortgage Loan
Schedule:

                                    (i) the original Mortgage Note including any
                  riders thereto, endorsed either (A) in blank or (B) in the
                  following form: "Pay to the order of U.S. Bank National
                  Association as Trustee for the C-BASS Mortgage Loan
                  Asset-Backed Certificates, Series 2006-CB6, without recourse",
                  or with respect to any lost Mortgage Note, an original lost
                  note affidavit stating that the original mortgage note was
                  lost, misplaced or destroyed, together with a copy of the
                  related Mortgage Note;

                                    (ii) the original Mortgage including any
                  riders thereto with evidence of recording thereon, and the
                  original recorded power of attorney, if the Mortgage was
                  executed pursuant to a power of attorney, with evidence of
                  recording thereon or, if such Mortgage or power of attorney
                  has been submitted for recording but has not been returned
                  from the applicable public recording office, has been lost or
                  is not otherwise available, a copy of such Mortgage or power
                  of attorney, as the case may be, certified to be a true and
                  complete copy of the original submitted for recording;

                                    (iii) an original Assignment of Mortgage, in
                  form and substance acceptable for recording. The Mortgage
                  shall be assigned either (A) in blank or (B) to "U.S. Bank
                  National Association, as Trustee for the C-BASS Mortgage Loan
                  Asset-Backed Certificates, Series 2006-CB6, without recourse";

                                    (iv) an original or a certified copy of any
                  intervening assignment of Mortgage showing a complete chain of
                  assignments;

                                    (v) the original or a certified copy of the
                  lender's title insurance policy; and

                                    (vi) the original or copies of each
                  assumption, modification, written assurance or substitution
                  agreement, if any.

                  (b) In the event that any Mortgage Note is endorsed in blank
as of the Closing Date, promptly following the Closing Date, the Custodian or
the Servicer shall complete such endorsements in the following form: "Pay to the
order of U.S. Bank National Association, as Trustee for the C-BASS Mortgage Loan
Asset-Backed Certificates, Series 2006-CB6, without recourse."

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                  (c) From time to time, the Servicer shall forward to the
Custodian additional original documents, additional documents evidencing an
assumption, modification, consolidation or extension of a Mortgage Loan approved
by the Servicer, in accordance with the terms of the Pooling and Servicing
Agreement. All such mortgage documents held by the Custodian or the Subcustodian
as to each Mortgage Loan shall constitute the "Custodial File".

                  (d) The Servicer shall promptly but in no event later than
thirty (30) days after the Closing Date, submit for recording, in the
appropriate public office for real property records, each assignment referred to
in Section 2(a)(iii) and 2(a)(iv) above. In the event that any such assignment
is lost or returned unrecorded because of a defect therein, the Servicer shall
promptly prepare a substitute assignment to cure such defect and thereafter
cause each such assignment to be duly executed and recorded. The Custodian shall
maintain a copy of each such assignment in the Custodial File.

                  (e) At least twenty-four (24) hours prior to delivery of the
Mortgage Loans, the Servicer will provide or cause to provide to the Custodian,
via electronic transmission, a list of all the Mortgage Loans and their related
data fields including loan ID, Mortgagor name, mortgaged property address,
mortgage rate, maturity date, and original principal balance of each such
Mortgage Loan. This data shall be delivered to the Custodian in an acceptable
format that can be easily uploaded to the Custodian's system. A hard copy of the
Mortgage Loan Schedule will be delivered to the Custodian at the time of
delivery to the Custodian of such documents related to the Mortgage Loans
identified in such Mortgage Loan Schedule.

                  (f) Not later than ten (10) Business Days after the receipt by
the Custodian thereof, the Custodian shall review the related Mortgage File for
each Eligible Substitute Mortgage Loan and all documents related thereto, as
specified in Sections 2.01 and 2.02 of the Pooling and Servicing Agreement, and
shall deliver to the Servicer and the Trustee a certification, substantially in
the form of Exhibit F-2 to the Pooling and Servicing Agreement, with respect to
such Eligible Substitute Mortgage Loan, with any applicable exceptions noted
thereon. Within one (1) year of the date of substitution, the Custodian shall
deliver to the Servicer and the Trustee a certification, in the form of Exhibit
F-2 to the Pooling and Servicing Agreement, with respect to each Eligible
Substitute Mortgage Loan, with any applicable exceptions noted thereon.

                  Section 3. Custodian as Bailee.

                  The Custodian hereby acknowledges that it is, and agrees to
act as agent and bailee for the Trustee and is holding each Custodial File
delivered to it on behalf of the Trustee.

                  Section 4. Acknowledgement of Receipt; Trust Receipts.

                  (a) No later than 11:00 a.m. New York Time on the Closing
Date, the Custodian shall deliver to the Trustee an Acknowledgment of Receipt
certifying, subject to any exceptions noted thereon, as to each Mortgage Loan on
the Mortgage Loan Schedule, (i) receipt of the original Mortgage Note (with any
exceptions noted) and (ii) the Mortgage Note has been reviewed by the Custodian
and appears regular on its face and relates to such Mortgage Loan.

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                  (b) Upon the written directions of the Trustee, and upon the
prior tender by the Trustee of an applicable trust receipt or trust receipts
(including any related Trust Receipt and Final Certification that has been
issued), the Custodian shall deliver all or any portion of the related Custodial
Files held by it pursuant to such Trust Receipt to the Trustee, or to such other
party designated by the Trustee in such written direction, and to the place
indicated in any such written direction from the Trustee. If such delivery is
for less than all of the Custodial Files held by the Custodian with respect to
such Trust Receipt (and a Trust Receipt and Final Certification has been
issued), the Custodian shall deliver to the Trustee a new Trust Receipt and
Final Certification with respect to the related Custodial Files retained by the
Custodian. Each Trust Receipt (including any Trust Receipt and Final
Certification) surrendered shall be canceled by the Custodian.

                  Section 5. Obligations of the Custodian.

                  With respect to the Mortgage Note, the Mortgage and the
Assignment of Mortgage and other documents constituting each Custodial File
which is delivered to the Custodian or which come into the possession of the
Custodian, the Custodian is the custodian for the Trustee exclusively. The
Custodian shall hold all mortgage documents received by it constituting the
Custodial File for the exclusive use and benefit of the Trustee, and shall make
disposition thereof only in accordance with this Custodial Agreement and the
instructions furnished by the Trustee. The Custodian shall segregate and
maintain continuous custody of all mortgage documents constituting the Custodial
File in secure and fire-resistant facilities in accordance with customary
standards for such custody. The Custodian shall not be responsible to verify (i)
the validity, legality, enforceability, sufficiency, due authorization or
genuineness of any document in the Custodial File or of any Mortgage Loans or
(ii) the collectability, insurability, effectiveness including the authority or
capacity of any Person to execute or issue any document in the Custodial File,
or suitability of any Mortgage Loan unless specified otherwise in this Custodial
Agreement. The Custodian shall promptly report to the Trustee any failure on its
part to hold the Custodial Files and maintain its accounts, records and computer
systems as herein provided and promptly take appropriate action to remedy such
failure.

                  Section 6. Initial and Final Certifications.

                  (a) Within sixty (60) days after the Closing Date, the
Custodian shall ascertain that all documents specified in Sections 2(a)(i)-(vi)
of this Custodial Agreement are in its possession, and shall deliver to the
Trustee a Trust Receipt and Initial Certification certifying, subject to any
exceptions noted thereon that, as to each Mortgage Loan listed in the Mortgage
Loan Schedule (other than any Mortgage Loan paid in full or any Mortgage Loan
specifically identified in such certification as not covered by such
certification): (i) all documents required to be delivered to it pursuant to
Sections 2(a)(i)-(vi) of this Custodial Agreement are in its possession; (ii)
such documents have been reviewed by it; and have not been mutilated, damaged or
torn and relate to such Mortgage Loan and (iii) based on its examination and
only as to the foregoing, the information set forth in the Mortgage Loan
Schedule relating to the Mortgage Loan identifying number, the city, state, and
zip code of the Mortgaged Property, the type of Residential Dwelling
constituting the Mortgaged Property or a designation that the Mortgaged Property
is a multi-family property, the original months to maturity, the Mortgage
Interest Rate of the Mortgage Loan as of the Cut-off Date, and whether the
Mortgage Loan has a prepayment penalty accurately reflects information set forth
in the Mortgage File; (iv) all Assignments of Mortgage or intervening
assignments of mortgage, as applicable, have been submitted for recording; and
(v) each Mortgage Note has been endorsed as provided in Section 2(a)(i) of this
Custodial Agreement and each Mortgage has been assigned in accordance with
Section 2(a)(iii) of this Custodial Agreement.

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                  (b) Prior to the first anniversary date of this Custodial
Agreement the Custodian shall deliver to the Depositor, the Trustee and the
Servicer a Trust Receipt and Final Certification in the form annexed hereto as
Exhibit 2B evidencing the completeness of the Mortgage Files, with any
applicable exceptions noted thereon.

                  Section 7. Representations and Warranties of the Custodian.

                  The Custodian hereby represents and warrants to, and covenants
that, as of the date hereof:

                  (a) Each of the Custodian and the Subcustodian is duly
organized, validly existing and in good standing under the laws of its
jurisdiction of incorporation and satisfies the requirements for acting as a
Fannie Mae/Freddie Mac custodian, and has full corporate power and authority to
own its properties and conduct its business as currently conducted.

                  (b) The Custodian has all requisite corporate power and
authority to enter into and perform its obligations under this Custodial
Agreement and to consummate the transactions contemplated hereby. The execution
and delivery by the Custodian of this Custodial Agreement and the consummation
by the Custodian of the transactions contemplated hereby have been duly and
validly authorized by all necessary corporate action on the part of the
Custodian. This Custodial Agreement has been duly and validly executed and
delivered by the Custodian and constitutes a legal, valid and binding obligation
of the Custodian, enforceable against the Custodian, in accordance with its
terms, subject to bankruptcy, reorganization, insolvency, moratorium and similar
laws of general applicability relating to or affecting creditors rights and to
general principles of equity.

                  (c) Neither the execution and delivery by the Custodian of
this Custodial Agreement, nor the consummation by the Custodian of any of the
transactions contemplated hereby, nor the fulfillment by the Custodian of the
terms hereof, will conflict with, or violate, result in a material breach of or
constitute a material default (with or without notice or lapse of time, or both)
under (i) any term or provision of the Certificate of Incorporation or By-laws
of the Custodian or (ii) any term or provision of any indenture or other
material agreement or instrument, to which the Custodian is a party or by which
the Custodian is bound. The execution, delivery and performance of this
Custodial Agreement by the Custodian or the consummation by the Custodian of the
transactions contemplated hereby will not require the authorization, consent or
approval of any governmental authority or agency having jurisdiction over and
regulating the activities of the Custodian.

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                  (d) The Custodian shall perform its obligations under this
Custodial Agreement in accordance with the standards incorporated by Fannie Mae
or Freddie Mac; the Custodian shall at all times maintain accurate and complete
records in connection with the performance of its obligations under this
Custodial Agreement.

                  (e) The Custodian does not use any Subservicers or
Subcontractors.

                  Section 8. Future Defects.

                  During the term of this Custodial Agreement, if the Custodian
discovers any defect with respect to the Custodial File, the Custodian shall
give written specification of such defect to the Servicer and the Trustee.

                  Section 9. Release for Servicing.

                  From time to time and as appropriate for the foreclosure or
servicing of any of the Mortgage Loans, the Custodian is hereby authorized, upon
written receipt from the Servicer of a request for release of documents and
receipt in the form annexed hereto as Exhibit 3, to release to the Servicer the
related Custodial File or the documents set forth in such request and receipt to
the Servicer. All documents so released to the Servicer shall be held by the
Servicer in trust for the benefit of the Trustee in accordance with the terms of
the Pooling and Servicing Agreement. The Servicer shall return to the Custodian
the Custodial File or other such documents when the Servicer's need therefor in
connection with such foreclosure or servicing no longer exists, unless the
Mortgage Loan shall be liquidated in which case, upon receipt of an additional
request for release of documents and receipt certifying such liquidation from
the Servicer to the Custodian in the form annexed hereto as Exhibit 3, the
Servicer's request and receipt submitted pursuant to the first sentence of this
Section 9 shall be released by the Custodian to the Servicer. The Servicer shall
indemnify the Trust Fund and the Trustee and each of their officers, directors
and agents for any and all liabilities, obligations, losses, compensatory
damages, payments, costs or expenses of any kind whatsoever that may be imposed
on, incurred by or asserted against the Trust Fund or the Trustee as a result of
the release of any Mortgage Loans or Custodial Files to the Servicer or the
retention of the Mortgage Loans and Custodial Files by the Servicer or any of
its Affiliates; provided, however, the Servicer shall not be liable to any of
the foregoing Persons for any amount and any portion of any such amount
resulting from the willful misfeasance, bad faith or negligence of such Person.
The provisions of this Section 9 shall survive the termination of this Custodial
Agreement and the termination or resignation of the Trustee.

                  Section 10. RESERVED.

                  Section 11. Release for Payment.

                  Upon receipt by the Custodian of the Servicer's request for
release of documents and receipt in the form annexed hereto as Exhibit 3 (which
certification shall include a statement to the effect that all amounts received
in connection with such payment or repurchase have been credited to the
Custodial Account as provided in the Pooling and Servicing Agreement), the
Custodian shall promptly release the related Custodial File to the Servicer.

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                  Section 12. Fees of Custodian.

                  The Custodian shall charge such fees for its services under
this Custodial Agreement as are set forth in a separate agreement between the
Custodian and the Servicer, the payment of which fees, together with the
Custodian's expenses in connection herewith, shall be solely the obligation of
the Servicer.

                  Section 13. Removal of Custodian.

                  The Trustee, with or without cause (at the direction of the
Servicer), may upon at least sixty (60) days' notice remove and discharge the
Custodian from the performance of its duties under this Custodial Agreement by
written notice from the Trustee to the Custodian, with a copy to the Servicer.
Having given notice of such removal, the Servicer, with the consent of the
Trustee, promptly shall appoint a successor Custodian (which may be the Trustee
or an affiliate of the Trustee) to act on behalf of the Trustee by written
instrument, one original counterpart of which instrument shall be delivered to
the Trustee, with a copy to the Servicer and an original to the successor
Custodian. In the event of any such removal, the Custodian shall promptly
transfer to the successor Custodian, as directed, all Custodial Files being
administered under this Custodial Agreement. In the event of any such
appointments the Servicer shall be responsible for the fees and expenses of the
existing and successor Custodian. If the Trustee (at the direction of the
Servicer) removes the Custodian without cause, the Servicer shall be responsible
for payment of all expenses incurred in the transmission of the Custodial Files
to the successor Custodian and for all applicable release fees of the Custodian.
If the Servicer removes the Custodian, the Servicer shall be responsible for
payment of all expenses incurred in the transmission of the Custodial Files to
the successor Custodian and for all applicable release fees of the Custodian.

                  Section 14. Transfer of Custodial Files Upon Termination.

                  Upon written request of the Trustee, the Custodian shall
release to such Persons as the Trustee shall designate the Custodial Files
relating to such Mortgage Loans as the Trustee shall request.

                  Section 15. Examination of Custodial Files.

                  Upon reasonable prior notice to the Custodian but not less
than two (2) Business Days notice, the Trustee and its agents, accountants,
attorneys, auditors and designees will be permitted during normal business hours
to examine the Custodial Files, documents, records and other papers in the
possession of or under the control of the Custodian relating to any or all of
the Mortgage Loans. The Custodial Files shall be maintained at the
Subcustodian's facility located at The Bank of New York Trust Company, N.A.,
5730 Katella Avenue, Cypress, California 90630 or at such other location as the
Custodian may designate in writing to the Trustee and the Servicer.

                  Section 16. Insurance of Custodian.

                  At its own expense, the Custodian shall maintain at all times
during the existence of this Custodial Agreement and keep in full force and
effect such insurance in amounts, with standard coverage and subject to
deductibles, all as is customary for insurance typically maintained by banks
which act as custodian. The minimum coverage under any such bond and insurance
policies shall be at least equal to the corresponding amounts required by Fannie
Mae in the Fannie Mae Servicing Guide or by Freddie Mac in the Freddie Mac
Seller/Servicer Guide. Upon request, the Trustee shall be entitled to receive
evidence satisfactory to the Trustee that such insurance is in full force and
effect.

                                       10
<PAGE>

                  Section 17. Counterparts.

                  For the purpose of facilitating the execution of this
Custodial Agreement as herein provided and for other purposes, this Custodial
Agreement may be executed simultaneously in any number of counterparts, each of
which counterparts shall be deemed to be an original, and such counterparts
shall constitute and be one and the same instrument.

                  Section 18. Periodic Statements.

                  Within ten (10) days of each anniversary of the date of this
Custodial Agreement, or upon the request of the Trustee at any other time, the
Custodian shall provide to the Trustee a list of all the Mortgage Loans for
which the Custodian holds a Custodial File pursuant to this Custodial Agreement.
Such list may be in the form of a copy of the Mortgage Loan Schedule with manual
deletions to specifically denote any Mortgage Loans paid off, repurchased or
sold since the date of this Custodial Agreement.

                  Section 19. GOVERNING LAW.

                  THIS AGREEMENT 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.

                  Section 20. Copies of Mortgage Documents.

                  Upon the request of the Trustee and at the cost and expense of
the Trust, the Custodian shall provide the Trustee with copies of the Mortgage
Notes, Mortgages, Assignments of Mortgage and other documents relating to one or
more of the Mortgage Loans.

                  Section 21. No Adverse Interest of Custodian.

                  By execution of this Custodial Agreement, the Custodian
represents and warrants that it currently holds, and during the existence of
this Custodial Agreement shall hold, no interest adverse to the Trustee, by way
of security or otherwise, in any Mortgage Loan, and hereby waives and releases
any such interest which it may have in any Mortgage Loan as of the date hereof.

                  Section 22. Termination by Custodian.

                  The Custodian may terminate its obligations under this
Custodial Agreement upon at least sixty (60) days' prior written notice to the
Servicer and the Trustee. In the event of such termination, the Servicer shall
appoint a successor Custodian. The payment of such successor Custodian's fees
and expenses shall be solely the responsibility of the Servicer. Upon such
appointment, the Custodian shall promptly transfer to the successor Custodian,
as directed, all Custodial Files being administered under this Custodial
Agreement.

                                       11
<PAGE>

Section 23.       Term of Agreement.

                  Unless terminated pursuant to Section 13 or Section 22 hereof,
this Custodial Agreement shall terminate upon the final payment or other
liquidation (or advance with respect thereto) of the last Mortgage Loan or the
disposition of all property acquired upon foreclosure or deed in lieu of
foreclosure of any Mortgage Loan, and the final remittance of all funds due
under the Pooling and Servicing Agreement. In such event all documents remaining
in the Custodial Files shall be released in accordance with the written
instructions of the Trustee.

                  Section 24. Notices.

                  All demands, notices and communications hereunder shall be in
writing and shall be deemed to have been duly given when received by the
recipient party at the addresses shown on the first page hereof, and in the case
of the Trustee, to U.S. Bank National Association, 60 Livingston Avenue,
EP-MN-WS3D, St. Paul, Minnesota 55107-2292, Attention: Structured Finance-C-BASS
2006-CB6, in the case of the Servicer, to the attention of Larry B. Litton, Sr.
and in the case of the Custodian, to The Bank of New York, 101 Barclay Street,
8W, New York New York 10286, Attention: Glenn Mitchell, or at such other
addresses as may hereafter be furnished to the other parties by like notice. Any
such demand, notice or communication hereunder shall be deemed to have been
received on the date delivered to or received at the premises of the addressee
(as evidenced, in the case of registered or certified mail, by the date noted on
the return receipt).

                  Section 25. Successors and Assigns.

                  This Custodial Agreement shall inure to the benefit of the
successors and assigns of the parties hereto. Any person into which the
Custodian may be merged or converted or with which the Custodian may be
consolidated, or any Person resulting from any merger, conversion or
consolidation to which the Custodian shall be a party, or any Person succeeding
to the business of the Custodian, shall be the successor of the Custodian
hereunder, without the execution or filing of any paper or any further act on
the part of any of the parties hereto, anything to the contrary herein
notwithstanding. Any assignee shall forward a list of authorized representatives
to each party to this Custodial Agreement pursuant to Section 29 of this
Custodial Agreement.

                  Section 26. Concerning the Custodian.

                  Neither the Custodian nor any of its directors, affiliates,
officers, agents, or employees, shall be liable for any action taken or omitted
to be taken by it or them hereunder or in connection herewith in good faith and
believed by it or them to be within the purview of this Custodial Agreement,
except for its or their own gross negligence, bad faith or willful misconduct.
In no event shall the Custodian or its directors, affiliates, officers, agents,
or employees be held liable for any special, indirect or consequential damages
resulting from any action taken or omitted to be taken by it or them hereunder
or in connection herewith, even if advised of the possibility of such damages.

                                       12
<PAGE>

                  The Servicer agrees to indemnify, from the Servicer's own
funds, and hold the Custodian and its directors, affiliates, officers, agents,
and employees harmless against any and all liabilities, obligations, losses,
damages, penalties, actions, judgments, suits, costs, expenses, or disbursements
of any kind or nature whatsoever, including reasonable attorneys' fees, that may
be imposed on, incurred by or asserted against it or them in any way relating to
or arising out of liabilities, obligations, judgments, losses, damages,
penalties, actions, judgments, suits, costs, expenses or disbursements other
than those which were imposed on, incurred by or asserted against the Custodian,
because of the breach by the Custodian of its obligations hereunder, which
breach was caused by negligence, bad faith, or willful misconduct on the part of
the Custodian or any of its directors, affiliates, officers, agents, or
employees. The indemnification set forth in this section shall survive any
termination of this Custodial Agreement and the termination and removal of the
Custodian.

                  Section 27. Reliance of Custodian.

                  In the absence of negligence or bad faith on the part of the
Custodian, the Custodian may conclusively rely, as to the truth of the
statements and the correctness of the opinions expressed therein, upon any data
communications, magnetic tape, request, instructions, certificate, opinion or
other document furnished to the Custodian, reasonably believed by the Custodian
to be genuine and to have been signed or presented by the proper party or
parties and conforming to the requirements of this Custodial Agreement; but in
the case of any loan document or other request, instruction, document or
certificate which by any provision hereof is specifically required to be
furnished to the Custodian, the Custodian shall be under a duty to examine the
same in accordance with the requirements of this Custodial Agreement.

                  Section 28. Transmission of Custodial Files.

                  Written instructions as to the method of shipment and
shipper(s) the Custodian is directed to utilize in connection with transmission
of mortgage files and loan documents in the performance of the Custodian's
duties hereunder shall be delivered by the Servicer to the Custodian prior to
any shipment of any mortgage files and loan documents hereunder. The Servicer
will arrange for the provision of such services at its sole cost and expense
(or, at the Custodian's option, reimburse the Custodian for all costs and
expenses incurred by the Custodian consistent with such instructions) and will
maintain such insurance against loss or damage to mortgage files and loan
documents as the Servicer deems appropriate.

                  Section 29. Authorized Representatives.

                  Each individual designated as an authorized representative of
the Servicer and the Trustee, respectively (an "Authorized Representative"), is
authorized to give and receive notices, requests and instructions and to deliver
certificates and documents in connection with this Custodial Agreement on behalf
of the Servicer or the Trustee, as the case may be, and the specimen signature
for each such Authorized Representative of the Servicer and each such Authorized
Representative of the Trustee initially authorized hereunder, is set forth on
Exhibits 4 and 5 hereof, respectively. From time to time, the Servicer and the
Trustee may, by delivering to each other and to the Custodian a revised exhibit,
change the information previously given pursuant to this Section 29, but each of
the parties hereto shall be entitled to rely conclusively on the then current
exhibit until receipt of a superseding exhibit.

                                       13
<PAGE>

                  Section 30. Reproduction of Documents.

                  This Custodial Agreement and all documents relating thereto
except with respect to the Custodial File, including, without limitation, (a)
consents, waivers and modifications which may hereafter be executed, and (b)
certificates and other information previously or hereafter furnished, may be
reproduced by any photographic, photostatic, microfilm, microcard, miniature
photographic or other similar process. The parties agree that any such
reproduction shall be admissible in evidence as the original itself in any
judicial or administrative proceeding, whether or not the original is in
existence and whether or not such reproduction was made by a party in the
regular course of business, and that any enlargement, facsimile or further
reproduction of such reproduction shall likewise be admissible in evidence.

                  Section 31. Limitations on the Responsibilities of the
Custodian.

                  (a) The Custodian shall not be liable for any action or
omission to act hereunder except for its own gross negligence, bad faith or
willful misconduct. The obligations of the Custodian shall be determined solely
by the express provisions of this Custodial Agreement. No representation,
warranty, covenant, agreement, obligation or duty of the Custodian shall be
implied with respect to this Custodial Agreement or the Custodian's services.

                  (b) The Custodian shall not be responsible for preparing or
filing any reports or returns relating to federal, state or local income taxes
with respect to this Custodial Agreement other than for the Custodian's
compensation or for reimbursement of expenses hereunder.

                  (c) The Custodian shall not be responsible or liable for, and
makes no representation or warranty with respect to, the validity, recordation,
adequacy or perfection of any lien upon or security interest in any Custodial
File.

                  (d) Any other provision of this Custodial Agreement to the
contrary notwithstanding, the Custodian shall have no notice of and shall not be
bound by any of the terms and conditions of any other document or agreement
executed or delivered in connection with, or intended to control any part of,
the transactions anticipated by or referred to in this Custodial Agreement
unless the Custodian is a signatory party to that document or agreement.
Notwithstanding the foregoing sentence, the Custodian shall be deemed to have
notice of the terms and conditions (including without limitation definitions not
otherwise set forth in full in this Custodial Agreement) of other documents and
agreements executed or delivered in connection with, or intended to control any
part of, the transactions anticipated by or referred to in this Custodial
Agreement to the extent such terms and provisions are referenced or incorporated
by reference into this Custodial Agreement, only as long as the Custodian shall
have been provided a copy of any such document or agreement.

                                       14
<PAGE>

                  (e) The duties and obligations of the Custodian shall only be
as much as are expressly set forth in this Custodial Agreement or as set forth
in a written amendment to this Custodial Agreement executed by the parties
hereto or their successors and assigns. In the event that any provision of this
Custodial Agreement implies or requires that action or forbearance from action
be taken by a party but is silent as to which party has the duty to act or
refrain from acting, the parties hereto agree that the Custodian shall not be
the party required to take the action or refrain from acting. In no event shall
the Custodian have any responsibility to ascertain or take action except as
expressly provided herein.

                  (f) Nothing in this Custodial Agreement shall be deemed to
impose on the Custodian any duty to qualify to do business in any jurisdiction
other than (i) any jurisdiction where any Custodial File is or may be held by
the Custodian from time to time hereunder, and (ii) any jurisdiction where its
ownership of property or conduct of business requires such qualification and
where failure to qualify could have a material adverse effect on the Custodian
or its property or business or on the ability of the Custodian to perform its
duties hereunder.

                  (g) Custodian may consult with counsel selected by the
Custodian and the advice or the opinion of such counsel shall be full and
complete authorization and protection in respect of any action reasonably taken,
omitted or suffered by the Custodian in good faith and in accordance herewith.

                  (h) No provision of this Custodial Agreement shall require the
Custodian to expend or risk its own funds or otherwise incur any financial
liability in the performance of its duties hereunder or in the exercise of any
of its rights and powers (other than with respect to any expense incurred by the
Custodian in accordance with its regular duties as custodian hereunder), if, in
its sole judgment, it believes that repayment of such funds or adequate
indemnity against such risk or liability is not assured to it.

                  (i) The Custodian shall have no duty to ascertain whether or
not any amount or payment required to be received by the Trustee, the Servicer
or any third person has been received by the Trustee, the Servicer or any third
person.

                  (j) The Custodian may perform its duties hereunder by or
through agents, attorneys, subcustodians or independent contractors and shall
have no liability for the acts or omissions of such agents, attorneys,
subcustodians or independent contractors appointed by the Custodian with due
care; provided, however, that such appointment of a subcustodian shall not limit
the liability of the Custodian with respect to its obligations under this
Custodial Agreement. The Trustee and the Servicer hereby consent to the
appointment of the Subcustodian to act as subcustodian hereunder.

                  Section 32. WAIVER OF JURY TRIAL.

                  EACH OF THE TRUSTEE, THE SERVICER, AND THE CUSTODIAN WAIVES
ANY RIGHT TO TRIAL BY JURY IN ANY DISPUTE, WHETHER SOUNDING IN CONTRACT, TORT OR
OTHERWISE, BETWEEN OR AMONG ANY OF THE TRUSTEE, THE SERVICER OR THE CUSTODIAN
ARISING OUT OF OR RELATING TO THE TRANSACTIONS CONTEMPLATED BY THIS CUSTODIAL
AGREEMENT OR ANY OTHER INSTRUMENT, DOCUMENT OR AGREEMENT EXECUTED OR DELIVERED
IN CONNECTION HEREWITH. ANY OF THE TRUSTEE, THE SERVICER, OR THE CUSTODIAN MAY
FILE AN ORIGINAL COUNTERPART OR A COPY OF THIS CUSTODIAL AGREEMENT WITH ANY
COURT AS WRITTEN EVIDENCE OF THE CONSENT OF THE PARTIES HERETO TO THE WAIVER OF
THEIR RIGHT TO TRIAL BY JURY.

                                       15
<PAGE>

                  Section 33. Regulation AB.

                  Subsection 33.01. Report on Assessment of Compliance and
Attestation.

                  On or before March 1 of each calendar year, commencing in
2007, the Custodian shall:

                  (i) deliver to the Servicer, the Trustee and the Depositor a
         report regarding the Custodian's assessment of compliance with the
         applicable Servicing Criteria (as more fully discussed below), during
         the immediately preceding calendar year, as required under Rules 13a-18
         and 15d-18 of the Exchange Act and Item 1122 of Regulation AB. Such
         report shall be addressed to the Servicer, the Trustee and the
         Depositor and signed by an authorized officer of the Custodian, and
         shall address each of the applicable Servicing Criteria;

                  (ii) deliver to the Servicer, the Trustee and the Depositor a
         report of a registered public accounting firm reasonably acceptable to
         the Servicer, the Trustee and the Depositor that attests to, and
         reports on, the assessment of compliance made by the Custodian and
         delivered pursuant to the preceding paragraph. Such attestation shall
         be in accordance with Rules 1-02(a)(3) and 2-02(g) of Regulation S-X
         under the Securities Act and the Exchange Act; and

                  (iii) if requested by the Servicer or the Depositor not later
         than February 1 of the calendar year in which such certification is to
         be delivered, deliver to the Servicer, the Depositor and any other
         Person that will be responsible for signing the certification (a
         "Sarbanes Certification") required by Rules 13a-14(d) and 15d-14(d)
         under the Exchange Act (pursuant to Section 302 of the Sarbanes-Oxley
         Act of 2002) a certification substantially in the form attached hereto
         as Exhibit 7 (or as otherwise mutually agreed upon).

                  The Custodian acknowledges that the parties identified in
         clause (a)(iii) above may rely on the certification provided by the
         Custodian pursuant to such clause in signing a Sarbanes Certification
         and filing such with the Commission. Neither the Servicer nor the
         Depositor will request delivery of a certification under clause
         (a)(iii) above unless a Depositor is required under the Exchange Act to
         file an annual report on Form 10-K with respect to an issuing entity
         whose asset pool includes the Mortgage Loans.

                  Subsection 33.02. Additional Information to Be Provided by the
Custodian.

                                       16
<PAGE>

                  For so long as the Certificates are outstanding, for the
         purpose of satisfying the Depositor's reporting obligation under the
         Exchange Act with respect to any class of Certificates, the Custodian
         shall (a) notify the Depositor in writing of any material litigation or
         governmental proceedings pending against the Custodian that would be
         material to Certificateholders, and (b) provide to the Servicer a
         written description of such proceedings. Any notices and descriptions
         required under this Subsection 33.02 shall be given no later than five
         (5) Business Days prior to the Determination Date following the month
         in which the Custodian has knowledge of the occurrence of the relevant
         event. As of the date the Depositor or Servicer files each Report on
         Form 10-D or Form 10-K, as applicable, with respect to the
         Certificates, the Custodian will be deemed to represent that any
         information previously provided under this Subsection 33.02, if any, is
         materially correct and does not have any material omissions unless the
         Custodian has provided an update to such information.

                  Subsection 33.03.  Indemnification; Remedies.

                  (a) The Custodian shall indemnify the Servicer, each affiliate
         of the Servicer, and each of the following parties: Credit-Based Asset
         Servicing and Securitization LLC, as the sponsor, the issuing entity,
         the Depositor, the Trustee, and each Person who controls any of such
         parties (within the meaning of Section 15 of the Securities Act and
         Section 20 of the Exchange Act); and the respective present and former
         directors, officers, employees and agents of each of the foregoing, and
         shall hold each of them harmless from and against any losses, damages,
         penalties, fines, forfeitures, legal fees and expenses and related
         costs, judgments, and any other costs, fees and expenses (other than
         punitive, special or consequential damages) that any of them may
         sustain arising out of or based upon any negligent failure by the
         Custodian to deliver any information, report, certification,
         accountants' letter or other material when and as required under this
         Section 33.

                  (b) In the case of any negligent failure of performance
         described in clause (a) of this Subsection, the Custodian shall
         promptly reimburse the Servicer, the Trustee the Depositor, as
         applicable, and each Person responsible for the preparation, execution
         or filing of any report required to be filed with the Commission with
         respect to the C-BASS Mortgage Loan Asset-Backed Certificates, Series
         2006-CB6 transaction, or for execution of a certification pursuant to
         Rule 13a-14(d) or Rule 15d-14(d) under the Exchange Act with respect to
         the C-BASS Mortgage Loan Asset-Backed Certificates, Series 2006-CB6
         transaction, for all costs reasonably incurred by each such party in
         order to obtain the information, report, certification, accountants'
         letter or other material not delivered as required by the Custodian.

                  Section 34. Third-Party Beneficiary

                  The parties hereto agree that the Depositor shall be a
third-party beneficiary to this Agreement.

                                       17
<PAGE>

                  IN WITNESS WHEREOF, the Servicer, the Trustee and the
Custodian have caused their names to be duly signed hereto by their respective
officers thereunto duly authorized, all as of the date first above written.

                                  U.S. BANK NATIONAL ASSOCIATION, not in its
                                  individual capacity but solely as Trustee for
                                  the C-BASS Mortgage Loan Asset-Backed
                                  Certificates, Series 2006-CB6

                                  By: /s/ S. Christopherson
                                      ----------------------------------------
                                      Name: S. Christopherson
                                      Title: Vice President

                                  LITTON LOAN SERVICING LP,
                                   as Servicer

                                  By: /s/ Janice McClure
                                  ---------------------------------------------
                                  Name: Janice McClure
                                  Title: Senior Vice President

                                  THE BANK OF NEW YORK,
                                   as Custodian

                                  By: /s/ Glenn E. Mitchell
                                  ---------------------------------------------
                                  Name: Glenn E. Mitchell
                                  Title: Vice President

<PAGE>

                                    EXHIBIT 1

                            ACKNOWLEDGMENT OF RECEIPT

                                                                _____ __, 2006

U.S. Bank National Association
as Trustee for the C-BASS Mortgage Loan Asset-Backed Certificates,
Series 2006-CB6
60 Livingston Avenue, EP-MN-WS3D
St. Paul, Minnesota 55107-2292
Attention: Structured Finance-C-BASS 2006-CB6

         Re: Custodial Agreement, dated as of July 1, 2006, among U.S. Bank
             National Association, as Trustee, Litton Loan Servicing LP, as
             Servicer, and The Bank of New York, as Custodian

Ladies and Gentlemen:

                  In accordance with the provisions of Section 4 of the
above-referenced Custodial Agreement, the undersigned, as the Custodian, hereby
certifies as to each Mortgage Loan in the Mortgage Loan Schedule that (i) it has
received the original Mortgage Note with respect to each Mortgage Loan
identified on the Mortgage Loan Schedule attached hereto as Exhibit 7 and (ii)
such Mortgage Note has been reviewed by it and appears regular on its face and
relates to such Mortgage Loan. The Custodian makes no representations as to (i)
the validity, legality, enforceability, sufficiency, due authorization or
genuineness of any of the documents contained in each Custodial File or of any
of the Mortgage Loans or (ii) the collectability, insurability, effectiveness or
suitability of any such Mortgage Loan.

                  The Custodian hereby confirms that it is holding each such
Mortgage Note as agent and bailee of, and custodian for the exclusive use and
benefit, and subject to the sole direction, of the Trustee pursuant to the terms
and conditions of the Custodial Agreement.

                  This Acknowledgment of Receipt is not divisible or negotiable.

                  The Custodian will accept and act on instructions with respect
to the Mortgage Loans subject hereto upon surrender of this Trust Receipt and
Initial Certification at the office of the Subcustodian at The Bank of New York
Trust Company, N.A., 5730 Katella Avenue, Cypress, California 90630, Attention:
Reginald Carter.

<PAGE>

                  Capitalized terms used herein shall have the meaning ascribed
to them in the Custodial Agreement.

                                       THE BANK OF NEW YORK
                                       as Custodian

                                       By: ______________________________
                                           Name:
                                           Title:

<PAGE>

                                                                    EXHIBIT 2A

                     TRUST RECEIPT AND INITIAL CERTIFICATION

                                                      Trust Receipt #__________
                                     Cut-off Date Principal Balance $__________

U.S. Bank National Association
as Trustee for the C-BASS Mortgage Loan Asset-Backed Certificates,
Series 2006-CB6
60 Livingston Avenue, EP-MN-WS3D
St. Paul, Minnesota 55107-2292
Attention: Structured Finance-C-BASS 2006-CB6

         Re:  Custodial Agreement, dated as of July 1, 2006, among U.S. Bank
              National Association, as Trustee, Litton Loan Servicing LP, as
              Servicer, and The Bank of New York, as Custodian

Ladies and Gentlemen:

                  In accordance with the provisions of Section 6 of the
above-referenced Custodial Agreement, the undersigned, as the Custodian, hereby
certifies that as to each Mortgage Loan listed on the Mortgage Loan Schedule
(other than any Mortgage Loan paid in full or any Mortgage Loan listed on the
attachment hereto) it has reviewed the Custodial Files and has determined that:
(i) all documents required to be delivered to it pursuant to Sections
2(a)(i)-(vi) of the Custodial Agreement are in its possession; (ii) such
documents have been reviewed by it; and have not been mutilated, damaged or torn
and relate to such Mortgage Loan (iii) based on its examination and only as to
the foregoing, the information set forth in the Mortgage Loan Schedule relating
to the Mortgage Loan identifying number, the city, state, and zip code of the
Mortgaged Property, the type of Residential Dwelling constituting the Mortgaged
Property or a designation that the Mortgaged Property is a multi-family
property, the original months to maturity, the Mortgage Interest Rate of the
Mortgage Loan as of the Cut-off Date, and whether the Mortgage Loan has a
prepayment penalty accurately reflects information set forth in the Mortgage
File; (iv) all Assignments of Mortgage or intervening assignments of mortgage,
as applicable, have been submitted for recording; and (v) each Mortgage Note has
been endorsed as provided in Section 2(a)(i) of the Custodial Agreement and each
Mortgage has been assigned in accordance with Section 2(a)(iii) of the Custodial
Agreement. The Custodian makes no representations as to (i) the validity,
legality, enforceability, sufficiency, due authorization or genuineness of any
of the documents contained in each Custodial File or of any of the Mortgage
Loans or (ii) the collectability, insurability, effectiveness or suitability of
any such Mortgage Loan.

<PAGE>

                  The Custodian hereby confirms that it is holding each such
Custodial File as agent and bailee of, and custodian for the exclusive use and
benefit, and subject to the sole direction, of Trustee pursuant to the terms and
conditions of the Custodial Agreement.

                  This Trust Receipt and Initial Certification is not divisible
or negotiable.

                  The Custodian will accept and act on instructions with respect
to the Mortgage Loans subject hereto upon surrender of this Trust Receipt and
Final Certification at the office of the Subcustodian at The Bank of New York
Trust Company, N.A., 5730 Katella Avenue, Cypress, California 90630, Attention:
Reginald Carter.

                  Capitalized terms used herein shall have the meaning ascribed
to them in the Custodial Agreement.

                                       THE BANK OF NEW YORK,
                                            as Custodian

                                       By: ______________________________
                                           Name:
                                           Title:

<PAGE>

                                                                     EXHIBIT 2B

                      TRUST RECEIPT AND FINAL CERTIFICATION

                                                     Trust Receipt #___________
                                   Cut-off Date Principal Balance $____________

U.S. Bank National Association
as Trustee for the C-BASS Mortgage Loan Asset-Backed Certificates,
Series 2006-CB6
60 Livingston Avenue, EP-MN-WS3D
St. Paul, Minnesota 55107-2292
Attention: Structured Finance-C-BASS 2006-CB6

         Re:    Custodial Agreement, dated as of July 1, 2006, among U.S. Bank
                National Association, as Trustee, Litton Loan Servicing LP, as
                Servicer, and The Bank of New York, as Custodian

Ladies and Gentlemen:

                  In accordance with Section 6(b) of the Custodial Agreement,
the undersigned, as Custodian, hereby certifies that as to each Mortgage Loan
listed in the Mortgage Loan Schedule (other than any Mortgage Loan paid in full
or listed on Schedule I hereto) it has received the applicable documents listed
in Section 2(a) of the Custodial Agreement.

                  The undersigned hereby certifies that as to each Mortgage Loan
identified on the Mortgage Loan Schedule, other than any Mortgage Loan listed on
Schedule I hereto, it has reviewed the documents listed above and has determined
that each such document appears to be complete and, based on an examination of
such documents, the information set forth in the Mortgage Loan Schedule is
correct.

<PAGE>

                  Capitalized words and phrases used herein shall have the
respective meanings assigned to them in the Custodial Agreement. This
Certificate is qualified in all respects by the terms of said Custodial
Agreement.

                                        THE BANK OF NEW YORK,
                                             as Custodian

                                        By: ______________________________
                                            Name:
                                            Title:

<PAGE>

                                                                      EXHIBIT 3

                  REQUEST FOR RELEASE OF DOCUMENTS AND RECEIPT

To: [Address]

         Re:    Custodial Agreement, dated as of July 1, 2006, among U.S. Bank
                National Association, as Trustee, Litton Loan Servicing LP, as
                Servicer, and The Bank of New York, as Custodian

                  In connection with the administration of the Mortgage Loans
held by you as the Custodian on behalf of the Trustee, we request the release,
and acknowledge receipt, of the (Custodial File/[specify documents]) for the
Mortgage Loan described below, for the reason indicated.

Mortgagor's Name Address & Zip Code:

Mortgage Loan Number:

Reason for Requesting Documents (check one)

_____   1.        Mortgage Loan Paid in Full. (The Servicer hereby certifies
                  that all amounts received in connection therewith have been
                  credited to the account of the Trustee.)

_____   2.        Mortgage Loan Liquidated By (The Servicer hereby certifies
                  that all proceeds of foreclosure, insurance, condemnation or
                  other liquidation have been finally received and credited to
                  the account of the Trustee.)

_____   3.        Mortgage Loan in Foreclosure

_____   4.        Other (explain)______________________________________________

                  If box 1 or 2 above is checked, and if all or part of the
Custodial File was previously released to us, please release to us our previous
request and receipt on file with you, as well as any additional documents in
your possession relating to the specified Mortgage Loan.

                  If box 3 or 4 above is checked, upon our return of all of the
above documents to you as the Custodian, please acknowledge your receipt by
signing in the space indicated below, and returning this form.

<PAGE>

                                   LITTON LOAN SERVICING LP,
                                        as Servicer

                                   By:__________________________
                                      Name:
                                      Title:

                                   Date:_________________________

Acknowledgment of Documents returned to the Custodian:

                                   THE BANK OF NEW YORK, as Custodian

                                   By:______________________________
                                      Name:
                                      Title:

                                   Date:_____________________________

<PAGE>

                                                                     EXHIBIT 4

                     AUTHORIZED REPRESENTATIVES OF SERVICER

NAME                                   SPECIMEN SIGNATURE
----                                   ------------------

--------------------------             ----------------------------

--------------------------             ----------------------------

--------------------------             ----------------------------

--------------------------             ----------------------------

--------------------------             ----------------------------

<PAGE>

                                                                     EXHIBIT 5

                      AUTHORIZED REPRESENTATIVES OF TRUSTEE

NAME                              SPECIMEN SIGNATURE
----                              ------------------

S. Christopherson                 /s/ S. Christopherson
-------------------------         --------------------------

Becky Warren                      /s/ Becky Warren
-------------------------         --------------------------

Charles F. Pederson               /s/ Charles F. Pederson
-------------------------         --------------------------

Michael Bengtson                  /s/ Michael Bengtson
-------------------------         --------------------------

Kristy Frideres                   /s/ Kristy Frideres
-------------------------         --------------------------

<PAGE>

                                                                     EXHIBIT 6

                           SCHEDULE OF MORTGAGE LOANS

         [Attached as Exhibit D to the Pooling and Servicing Agreement]

<PAGE>

                                    EXHIBIT 7

         FORM OF ANNUAL CERTIFICATION (UNLESS OTHERWISE MUTUALLY AGREED)

         The Custodial Agreement, (the "Agreement") dated as of July 1, 2006,
among U.S. Bank National Association, as Trustee, Litton Loan Servicing LP, as
Servicer, and The Bank of New York, as Custodian.

         I, ________________________________, the _______________________ of The
Bank of New York, certify to Litton Loan Servicing LP, Asset Backed Funding
Corporation and U.S. Bank National Association, and their officers, with the
knowledge and intent that they will rely upon this certification, that:

         (1) I have reviewed the report on assessment of the Custodian's
compliance with the servicing criteria set forth in Items 1122(d)(1)(ii),
1122(d)(1)(iv), 1122(d)(4)(i) and 1122(d)(4)(ii) of Regulation AB (the
"Servicing Criteria"), provided 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 (the "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 (the "Attestation
Report") (collectively, the "Custodian Servicing Information");

         (2) Based on my knowledge, the Custodian 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 Custodian Servicing Information;

         (3) Based on my knowledge, all of the Custodian Servicing Information
required to be provided by the Custodian under the Agreement has been provided
to Litton Loan Servicing LP, Asset Backed Funding Corporation and U.S. Bank
National Association;

         (4) I am responsible for reviewing the activities performed by the
Custodian under the Agreement, and based on my knowledge and the compliance
review conducted in preparing the Compliance Statement and except as disclosed
in the Servicing Assessment or the Attestation Report, the Custodian has
fulfilled its obligations under the Agreement in all material respects; and

<PAGE>

         (5) The Servicing Assessment and Attestation Report required to be
provided by the Custodian pursuant to the Agreement, have been provided to
Litton Loan Servicing LP, Asset Backed Funding Corporation and U.S. Bank
National Association. Any material instances of noncompliance described in such
reports have been disclosed to Litton Loan Servicing LP, Asset Backed Funding
Corporation and U.S. Bank National Association. Any material instance of
noncompliance with the Servicing Criteria has been disclosed in such reports.

                                    Date: _________________________

                                    By: ____________________________

                                    Name: __________________________

                                    Title: _________________________EX 4.0

    
      
        EXHIBIT
          4.0

         

        STOCK
          OPTION AGREEMENT

         

        OF

        

        BMC
          WEST
          CORPORATION

         

        This
          Stock Option
          Agreement (this "Agreement") is made and entered into as of February 6,
          1997
          (the “Date of Grant”) by and between BMC West Corporation, a Delaware
          corporation (the "Company"), and Robert E. Mellor, as Optionee.

        

        RECITALS

        

        WHEREAS,
          Optionee
          is currently a director of the Company and has agreed to serve as the President
          and Chief Executive Officer and as a director of the Company’s parent
          (“Holdings”) after the Company’s corporate reorganization occurs, pursuant to
          which the Company will merge with and into a subsidiary of Holdings and,
          as a
          result, the Company will become a wholly-owned subsidiary of Holdings;
          and

        

        WHEREAS,
          the Board
          of Directors of the Company (the “Board”) has approved the grant to Optionee of
          an option to purchase shares of the common stock of the Company (the "Common
          Stock"), on the terms and conditions set forth herein.

        

        AGREEMENT

        

        NOW,
          THEREFORE, in
          consideration of the foregoing recitals and the covenants set forth herein,
          the
          parties hereto hereby agree as follows:

        

        1. Grant
          of Option;
          Certain Terms and Conditions. The Company hereby grants to Optionee, and
          Optionee hereby accepts, as of the Date of Grant, an option to purchase
          50,000
          shares of Common Stock (the "Option Shares") at an exercise price of $12.50
          per
          share (the “Exercise Price”), which option shall expire at 5:00 o'clock
          p.m., Boise, Idaho time on February 5, 2007 (the “Expiration Date”) and shall be
          subject to all of the terms and conditions set forth in this Agreement
          (the
          "Option"). This Option shall vest and become exercisable with respect to
          a
          certain number of Option Shares when the Fair Market Value (as defined
          in
          Section 4(a) below) of the Common Stock reaches certain values, all in
          accordance with the schedule below. In order for the vesting thresholds
          set
          forth below to be triggered, the Fair Market Value of the Common Stock
          must be
          greater than or equal to the amount designated below for ten (10) consecutive
          trading days or for twenty (20) trading days in any thirty (30) trading
          day
          period. Once a threshold is triggered, this Option shall remain exercisable
          as
          to the installment associated with such threshold notwithstanding a subsequent
          decrease in stock price. 

        

        
          	
                  Number
                    of
                    Options Shares

                	 	 
	
                  Fair
                    Market
                    Value

                	 	
                  Vesting
                    when
                    Common Stock

                
	
                  to
                    be
                    Reached*

                	 	
                  Reaches
                    Fair
                    Market Value

                
	
                	 	 
	
                  $15.00

                	 	
                  25,000
                    shares

                
	 	 	 
	
                  $18.00

                	 	
                  12,500
                    shares

                
	 	 	 
	
                  $21.00

                	 	
                  12,500
                    shares

                
	 	 	 

        

        
          	*	
                  Fair
                    Market
                    Value will be adjusted for stock splits, reverse stock splits,
                    stock
                    dividends, recapitalizations and similar
                    events.

                

        

        

        All
          option shares
          shall vest, if not earlier vested pursuant to the terms of this Section
          1, on
          February 6, 2002, regardless of the Fair Market Value of the Common stock
          prior
          to or as of such date.

          
            
              
              

            

            
              
              

              
                

              

            

            
              
              

            

          

        This
          Option is
not intended to qualify as an incentive stock option under
          Section 422 of the Internal Revenue Code.

        

        2. Acceleration
          and
          Termination of Option.

        

        (a) Termination
          of
          Employment

        

        (i) Death
          or
          Permanent Disability. If Optionee shall cease to be an employee, director
          and officer (collectively, “Employment”) of the Company and/or any of its
          parents or subsidiaries (a “Termination”) by reason of the death or permanent
          disability of Optionee, then (A) the portion of this Option that has not
          vested on or prior to the date of such Termination of Employment shall
          terminate
          on such date and (B) the remaining vested portion of this Option shall
          terminate upon the earlier of the Expiration Date or the date which is
          twelve (12) months after the date of such Termination of Employment.
          Optionee shall not be deemed to have a permanent disability until proof
          of the
          existence thereof shall have been furnished to the Compensation Committee
          of the
          Board (the “Committee”) or to the Board in such form and manner, and at such
          times, as the Committee or Board may require. Any determination by the
          Committee
          or Board that Optionee does or does not have a permanent disability shall
          be
          final and binding upon the Company and the Optionee.

         

        (ii) Retirement
          After
          Age 65. If Optionee's Employment is Terminated by reason of Optionee's
          retirement in accordance with the Company's then-current retirement policy
          (or
          the then-current retirement policy of any of the Company's parents or
          subsidiaries, if applicable) after age 65 ("Retirement"), then (A) the
          portion of the Option that has not vested on or prior to the date of such
          Retirement shall terminate on such date and (B) the remaining vested
          portion of the Option shall terminate upon the earlier of the Expiration
          Date or
          the date which is thirty-six (36) months after the date of such Retirement.

        

        (iii) Termination
          for
          Cause. If Optionee's Employment is Terminated for Cause (as defined below),
          then this Option shall terminate upon the date of such Termination of Employment
          and shall cease to be exercisable. Employment shall be deemed to have been
          terminated for “Cause” if Optionee is determined by the Board to have willfully
          breached his duty in the course of Employment or to have committed an act
          of
          embezzlement, fraud, dishonesty or deliberate disregard of the rules of
          the
          Company and/or any of its parents or subsidiaries or engaged in any conduct
          which constitutes unfair competition with the Company and/or any of its
          parents
          or subsidiaries (as determined by the Board acting in its sole
          discretion).

        

        (iv) Other
          Termination. If Optionee's Employment is Terminated for no reason, or for
          any reason other than Retirement, death or permanent disability, or for
          Cause,
          then (A) the portion of this Option that has not vested on or prior to the
          date of such Termination of Employment shall terminate on such date and
          (B) the remaining vested portion of this Option shall terminate upon the
          earlier of the Expiration Date or the date which is twelve (12) months
          after the date of such Termination of Employment.

         

        (b) Events
          Causing
          Acceleration of Option. The Committee or Board, in its sole discretion, may
          accelerate the exercisability of this Option at any time and for any reason.
          In
          the event of a Change in Control of the Company (as defined below), this
          Option
          shall become immediately exercisable in full. A “Change in Control” of the
          Company shall be deemed to have occurred if (i) there shall be consummated
          (x)
          any consolidation or merger of the Company in which the Company is not
          the
          continuing or surviving corporation or pursuant to which shares of the
          Company’s
          Common Stock would be converted into cash, securities or other property,
          other
          than a merger of the Company in which the holders of the Company’s Common Stock
          immediately prior to the merger have the same proportionate ownership of
          the
          commons tock of the surviving corporation immediately after the merger,
          or (y)
          any sale, lease, exchange or other transfer (in one transaction or a series
          of
          related transactions) of all, or substantially all, of the assets of the
          Company, or (ii) the stockholders of the Company approve a plan or proposal
          for
          the liquidation or dissolution of the Company, or (iii) any “person” (as defined
          in Sections 13(d) and 14(d) of the Exchange Act), shall become the “beneficial
          owner” (as defined in Rule 13d-3 under the Exchange Act), directly or
          indirectly, of fifty (50%) percent or more of the Company’s outstanding Common
          Stock, or (iv) during any period of two consecutive years, individuals
          who at
          the beginning of such period constitute the entire Board shall cease for
          any
          reason to constitute a majority thereof unless the election, or the nomination
          for election by the Company’s stockholders, of each new director was approved by
          a vote of at least two-thirds of the

          
            
              
              

            

            
              
              

              
                

              

            

            
              
              

            

          

        

         

        directors
          then
          still in office who were directors at the beginning of the period.
          Notwithstanding the above, a Change of Control shall not be deemed to have
          occurred in connection with a transaction resulting in a merger, consolidation,
          sale of assets or sale of securities if such transaction has been initiated
          (in
          contrast to an action in response to or resulting from receipt of an offer
          or
          its equivalent from a third party) at the direction of the Board acting
          with the
          approval of a majority of the independent directors.

        

        (c) Other
          Events
          Causing Acceleration and Termination of Option. In the event of (a) a
          dissolution or liquidation of the Company, or (b) a merger or consolidation
          in which the Company is not the surviving corporation, the Company shall
          give to
          the Optionee, at the time of adoption of the plan for liquidation, dissolution,
          merger or consolidation, either: a reasonable time thereafter within which
          to
          exercise this Option in full, prior to the effectiveness of such liquidation,
          dissolution, merger or consolidation, at the end of which time this Option
          shall
          terminate; or the right to exercise this Option as to an equivalent number
          of
          shares of stock of the corporation succeeding the Company or acquiring
          its
          business by reason of such liquidation, dissolution, merger or
          consolidation.

        

        3. Adjustments.
          In the event that the outstanding securities of the class then subject
          to this
          Option are increased, decreased or exchanged for or converted into cash,
          property and/or a different number of kind of securities, or cash, property
          and/or securities are distributed in respect of such outstanding securities,
          in
          either case as a result of a reorganization, merger, consolidation,
          recapitalization, reclassification, dividend (other than a regular, quarterly
          cash dividend) or other distribution, stock split, reverse stock split
          or the
          like, or in the event that substantially all of the property and assets
          of the
Company are sold, then, unless such event shall cause this Option to terminate
          pursuant to Section 2(c) hereof, the Committee or Board shall make
          appropriate and proportionate adjustments in the number and type of shares
          or
          other securities or cash or other property that may thereafter be acquired
          upon
          the exercise of this Option; provided, however, that any such adjustments
          in
          this Option shall be made without changing the aggregate Exercise Price
          of the
          then unexercised portion of this Option. In the event any fractional shares
          of
          stock would result on account of any such adjustment, then the number of
          shares
          shall be rounded upward to the nearest whole share.

        

        4. Manner
          of
          Exercise. This Option shall be exercisable during Optionee's lifetime only
          by Optionee or his Permitted Transferee (as defined in Section 7(b) herein),
          and
          after Optionee's death only by the Permitted Transferee or the person or
          entity
          entitled to do so under Optionee's or Permitted Transferee’s last will and
          testament, whichever is applicable, or applicable intestate law. This Option
          may
          be exercised with respect to all or any part of the Option Shares then
          subject
          to such exercise as follows:

        (a) By
          giving the
          Company written notice of such exercise specifying the number of the Option
          Shares as to which the Option is so exercised and accompanied by an amount
          equal
          to the aggregate Exercise Price of such shares, in the form of any one
          or
          combination of (i) cash, a certified check or postal or express money order
          payable to the order of the Company in lawful money of the United States,
          (ii) shares of Common Stock previously acquired by Optionee, in
          satisfaction of all or a portion of such aggregate Exercise Price, and
          any
          Common Stock so delivered shall be valued at its Fair Market Value on the
          date
          of exercise; provided, however, that any Options may not be exercised by
          the
          deliver of Common Stock more frequently than at six-month intervals, or
          (iii) delivery of a properly executed exercise notice together with such
          other documentation as the Committee or Board and the broker, if applicable,
          shall require to effect an exercise of the Option and delivery to the Company
          of
          the sale proceeds required to pay the aggregate Exercise Price.

        

        “Fair
          Market Value”
as used in this Agreement shall mean (i) if the Common Stock is listed
          on the
          New York Stock Exchange or any other established stock exchange or on the
          Nasdaq
          National Market, the closing sales price of the Common Stock on the relevant
          date as reported in the Wall Street Journal, (ii) if the Common Stock is
          not then listed on an exchange or traded on the Nasdaq National Market,
          the
          average of the closing bid and asked prices per share for the Common Stock
          in
          the over-the-counter market as quoted on Nasdaq on such date, or (iii)
          if the
          Common Stock is not then listed on an exchange or quoted on Nasdaq, an
          amount
          determined in good faith by the Board or the Committee.

        

        (b) If
          required by the
          Company, by giving satisfactory assurance in writing, signed by Optionee
          or his
          or her legal representative, that such shares are not being purchased with
          a
          view to the distribution thereof; provided, however, that such assurance
          shall
          be deemed inapplicable to (1) any sale of such

          
            
              
              

            

            
              
              

              
                

              

            

            
              
              

            

          

        shares
          by the
          Optionee subject to a registration statement covering such sale, which
          has
          heretofore been (or may hereafter be) filed and become effective under
          the
          Securities Act of 1933, as amended (the "1933 Act"), and with respect to
          which
          the registration statement is current and no stop order suspending the
          effectiveness thereof has been issued, and (2) any other sale of such
          shares with respect to which, in the opinion of counsel for the Company,
          such
          assurance is not required to be given in order to comply with the provisions
          of
          the 1933 Act.

        

        As
          soon as
          practicable after receipt of such written notice(s) required by this Section4
          from Optionee, the Company shall, without transfer or issue tax or other
          incidental expenses to Optionee, deliver to Optionee at the office of the
          Company, or such other place as may be mutually acceptable to the Company
          and
          Optionee, a certificate or certificates for such shares, which certificate
          or
          certificates may bear such legend or legends with respect to restrictions
          on
          transfer as counsel for the Company deems to be required by applicable
          provisions of law and this Agreement; provided, however, that nothing herein
          shall be deemed to impose upon the Company any obligation to deliver any
          shares
          of Common Stock to the Optionee if, in the opinion of counsel, for the
          Company,
          doing so would violate any provision of: (i) the 1933 Act; (ii) the
          Securities Exchange Act; (iii) any applicable listing requirements of any
          national securities exchange; (iv) any state securities regulation or "Blue
          Sky" laws; or (v) requirements under any other law or regulation applicable
          to the issuance or transfer of such shares. In no event shall the Company
          be
          required to take any affirmative action to comply with any of such laws,
          regulations or requirements, nor shall the Company be liable for any failure
          to
          deliver shares of Common Stock because such shares have not been registered
          or
          because a registration statement with respect thereto is not current or
          because
          such delivery would otherwise be in violation of any applicable law or
          regulation.

        

        5. Payment
          of
          Withholding Taxes. By accepting this Option, the Optionee, both personally
          and on behalf of any person to whom Optionee's rights under this Option
          shall
          pass by will or the laws of descent and distribution, agrees that, if the
          Company so requires, whenever Option Shares are to be issued by reason
          of the
          exercise of this Option, the Optionee or such other person who is to receive
          such stock will remit to the Company, prior to the delivery of any certificate
          or certificates for such shares, all or any part of an amount determined
          by the
          Company in its discretion to be sufficient to satisfy federal, state and
          local
          withholding tax requirements which the Company, or its counsel, determine
          may be
          payable with respect to such exercise. Such withholding may be paid in
          cash, by
          check payable to the Company, or by delivery of shares of the Company's
          Common
          Stock, valued at the Fair Market Value of such Common Stock on the date
          of
          delivery or by surrender of a portion of this Option.

        

        6. Notices.
          All
          notices and other communications required or permitted to be given pursuant
          to
          this Agreement shall be in writing and shall be deemed given if delivered
          personally or five (5) days after mailing by certified or registered mail,
          postage prepaid, return receipt requested, to the Company at 1475 Tyrell
          Lane,
          Boise, Idaho 83760, Attention: Treasurer, or to Optionee at the address
          set
          forth beneath his or her signature on the signature page hereto, or at
          such
          other addresses as they may designate by written notice in the aforesaid
          manner.

        

        7. Transferability.
          

        

        (a) Subject
          to the
          provisions of Section 7(b), neither this Option nor any interest therein
          may be
          sold, assigned, conveyed, gifted, pledged, hypothecated or otherwise transferred
          in any manner other than by will or the laws of descent and distribution.
          The
          transfer by Optionee to a trust created by Optionee for the benefit of
          Optionee
          or Optionee’s family which is revocable at any and all times during Optionee’s
          lifetime by Optionee and as to which Optionee is the sole trustee during
          his or
          her lifetime, will not be deemed to be a transfer for purposes of this
          Agreement. Under such rules and regulations as Committee or Board may establish,
          a beneficiary may be designated with respect to an Option grant in the
          event of
          the death of Optionee. If the estate of Optionee is the beneficiary with
          respect
          to the grant, any rights with respect to such grant may be transferred
          to the
          person or entity (including a trust) entitled thereto under the will of
          Optionee
          or pursuant to the laws of descent and distribution. In the event of any
          attempt
          by Optionee to alienate, assign, pledge, hypothecate, or otherwise dispose
          of
          the Option or of any right hereunder, except as provided for herein, or
          in the
          event of the levy of any attachment, execution, or similar process upon
          the
          rights or interest hereby conferred, the Option shall thereupon become
          null and
          void and of no effect.

        

        (b) 
          Notwithstanding
          the provisions of Section 7(a), the Committee or Board may, in its discretion,
          authorize and permit all or a portion of the Option to be transferred by
          such
          Optionee to (i) the spouse,

          
            
              
              

            

            
              
              

              
                

              

            

            
              
              

            

          

        children
          or
          grandchildren of the Optionee (collectively, “Immediate Family Members”), (ii) a
          trust or trusts for the exclusive benefit of such Immediate Family Members,
          (iii) a partnership in which such Immediate Family Members are the only
          partners, or (iv) any other person or entity that the Committee or Board,
          in its
          discretion, may permit (collectively, when so approved by the Committee
          or
          Board, a “Permitted Transferee”); provided that subsequent transfers of
          transferred Options shall be prohibited except those in accordance with
          Section
          7(a). Following transfer, any such Options shall continue to be subject
          to the
          same terms and conditions as were applicable immediately prior to transfer,
          provided that for purposes of Sections 2(c), 4(a), 5,6, 7(a), 9, 11, and
          12
          hereof the term “Optionee” shall be deemed to refer to the Permitted Transferee.
          The events of termination of employment of Section 2(a) hereof shall continue
          to
          be applied with respect to the original Optionee, following which the Options
          shall be exercisable by the Permitted Transferee only to the extent, and
          for the
          periods specified in Section 2(a). The Company shall have no obligation
          to
          notify the Permitted Transferee as to events that my affect the exercisability
          or expiration of the Option including, without limitation, the original
          Optionee’s termination of Employment. Before any transfer becomes effective, the
          intended transferee (or his/her parents or legal guardians) must execute
          an
          assumption agreement describing the rights and obligations of the intended
          transferee including, without limitation, who has the power to exercise
          the
          Option (if the intended transferee is a minor, partnership, trust or corporation
          or otherwise it is not readily apparent who has the authority to exercise
          such
          Option), who is responsible for taxes and to whom notices are to be
          delivered.

        

        8. Stockholder
          Rights. No person or entity shall be entitled to vote, receive dividends
          or
          be deemed for any purpose the holder of any Option Shares until this Option
          shall have been duly exercised to purchase such Option Shares in accordance
          with
          the provisions of this Agreement.

        

        9. Regrants.
          The Committee or the Board may, with the consent of Optionee, amend this
          Agreement or adopt a new agreement in lieu of this Agreement to take into
          account a decrease in the Fair Market Value of the Common Stock, or for
          any
          other reason the Committee or the Board shall deem appropriate provided
          that,
          any new or amended Agreement granted hereunder shall have an exercise price
          not
          less than one hundred percent (100%) of the Fair Market Value at the date
          of
          regrant or amendment.

        

        10. Employment
          Rights; Other Plans. No provision of this Agreement or of this Option
          granted hereunder shall (a) confer upon Optionee any right to continue in
          the employ of or to associate with the Company or any of its parents or
          subsidiaries, (b) affect the right of the Company and each of its parents
          and subsidiaries to terminate the Employment of Optionee, with or without
          cause,
          or (c) confer upon Optionee any right to participate in any employee
          welfare or benefit plan or other program of the Company or any of its parents
          or
          subsidiaries other than this Agreement. Nothing in this Agreement is intended
          to
          be a substitute for, or shall preclude or limit the establishment or
          continuation of, any other plan, practice or arrangement for the payment
          of
          compensation or benefits to Optionee, which the Company or its parents
          or
          subsidiaries now has or may hereafter lawfully put into effect, including,
          without limitation, any retirement, pension, insurance, stock purchase,
          incentive compensation or bonus plan. Optionee hereby acknowledges and
          agrees
          that the Company and each of its parents and subsidiaries may terminate
          the
          Employment of Optionee at any time and for any reason, or for no reason,
          unless
          Optionee and the Company or such parent or subsidiary are parties to a
          written
          employment or other agreement that expressly provides otherwise.

        

        11. Binding
          Effect
          of Agreement. This Agreement shall be binding upon and inure to the benefit
          of any successors and assigns of the Company or its parents or subsidiaries,
          and
          upon Optionee and Optionee's heirs, executors, administrators, personal
          representatives, permitted assignees and successors in interest.

        

        12. Interpretation.
          The interpretation and construction of this Agreement by the Committee
          or Board,
          where specifically reserved to the Committee or Board pursuant to this
          Agreement, shall be final and binding upon Optionee. Questions of interpretation
          of any of the provisions of this Agreement not specifically reserved for
          interpretation by the Committee or the Board shall be resolved by legal
          counsel
          for the Company selected by the Board. 

        

        13. Governing
          Law. This Agreement and the Option granted hereunder shall be governed
          by
          and construed and enforced in accordance with the laws of the State of
          Delaware,
          excluding the choice of law provisions thereof.

          
            
              
              

            

            
              
              

              
                

              

            

            
              
              

            

          

        IN
          WITNESS WHEREOF,
          the Company and Robert E. Mellor, as Optionee, have duly executed this
          Agreement
          as of the Date of Grant.

        

        BMC
          WEST
          CORPORATION

         

        /s/
          George E.
          McCown

        

        By:
          George E.
          McCown

        Title:
          Chairman

        

        OPTIONEE

        

        

        By:
/s/
          Robert
          E. Mellor

        Robert
          E.
          Mellor

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