UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549

                                  FORM 10-K


  (Mark one)

  /X/ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934
      For the fiscal year ended December 31, 2009

      OR


  / / TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
      EXCHANGE ACT OF 1934
      For the transition period from ____________ to ____________



      Commission file number: 333-148403-04

      Banc of America Funding 2009-R3 Trust
      (exact name of issuing entity as specified in its charter)

      Banc of America Mortgage 2006-B Trust
      (exact name of significant obligor as specified in its charter)

      Banc of America Funding Corporation
      (exact name of the depositor as specified in its charter)

      Banc of America Mortgage Securities, Inc.
      (exact name of depositor with respect to the significant obligor)

      Banc of America Securities LLC
      (exact name of the sponsor as specified in its charter)

      Bank of America, National Association
      (exact name of the sponsor with respect to the significant obligor as
      specified in its charter)



  New York                                38-3798521
  (State or other jurisdiction of         38-6878298
  incorporation or organization)          (I.R.S. Employer
                                          Identification No.)


   c/o Wells Fargo Bank, N.A.
   9062 Old Annapolis Road
   Columbia, MD                                 21045
  (Address of principal executive               (Zip Code)
  offices)


 Telephone number, including area code: (410) 884-2000




  Securities registered pursuant to Section 12(b) of the Act:

    NONE.



  Securities registered pursuant to Section 12(g) of the Act:

    NONE.



  Indicate by check mark if the registrant is a well-known seasoned issuer, as
  defined in Rule 405 of the Securities Act.

    Yes ___     No  X



  Indicate by check mark if the registrant is not required to file reports
  pursuant to Section 13 or Section 15(d) of the Act.

    Yes ___     No  X



  Note - Checking the box above will not relieve any registrant required to
  file reports pursuant to Section 13 or 15(d) of the Exchange Act from their
  obligations under those Sections.


  Indicate by check mark whether the registrant (1) has filed all reports
  required to be filed by Section 13 or 15(d) of the Securities Exchange Act
  of 1934 during the preceding 12 months (or for such shorter period that the
  registrant was required to file such reports), and (2) has been subject to
  such filing requirements for the past 90 days.

    Yes  X      No ___



  Indicate by check mark whether the registrant has submitted electronically
  and posted on its corporate Website, if any, every Interactive Data File
  required to be submitted and posted pursuant to Rule 405 of Regulation S-T
  (Section 229.405 of this chapter) during the preceding 12 months (or for
  such shorter period that the registrant was required to submit and post such
  files).

    Not applicable.



  Indicate by check mark if disclosure of delinquent filers pursuant to Item
  405 of Regulation S-K (Section 229.405 of this chapter) is not contained
  herein, and will not be contained, to the best of registrant's knowledge, in
  definitive proxy or information statements incorporated by reference in Part
  III of this Form 10-K or any amendment to this Form 10-K.

    Not applicable.



  Indicate by check mark whether the registrant is a large accelerated filer,
  an accelerated filer, a non-accelerated filer, or a smaller reporting
  company.  See the definitions of "large accelerated filer", "accelerated
  filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act.

   Large accelerated filer ___
   Accelerated filer ___
   Non-accelerated filer X (Do not check if a smaller reporting company)
   Smaller reporting company ___



  Indicate by check mark whether the registrant is a shell company (as defined
  in Rule 12b-2 of the Act).

    Yes ___     No  X



  State the aggregate market value of the voting and non-voting common equity
  held by non-affiliates computed by reference to the price at which the
  common equity was last sold, or the average bid and asked price of such
  common equity, as of the last business day of the registrant's most recently
  completed second fiscal quarter.

    Not applicable.



  Indicate by check mark whether the registrant has filed all documents and
  reports required to be filed by Section 12, 13 or 15(d) of the Securities
  Exchange Act of 1934 subsequent to the distribution of securities under a
  plan confirmed by a court.

    Not applicable.



  Indicate the number of shares outstanding of each of the registrant's
  classes of common stock, as of the latest practicable date.

    Not applicable.



  DOCUMENTS INCORPORATED BY REFERENCE

  List hereunder the following documents if incorporated by reference and the
  Part of the Form 10-K (e.g., Part I, Part II, etc.) into which the document
  is incorporated: (1)Any annual report to security holders; (2) Any proxy or
  information statement; and (3)Any prospectus filed pursuant to Rule 424(b)
  or (c) under the Securities Act of 1933. The listed documents should be
  clearly described for identification purposes (e.g., annual report to
  security holders for fiscal year ended December 24, 1980).

    Not applicable.





                                     PART I

  Item 1.      Business.

               Omitted.


  Item 1A.     Risk Factors.

               Omitted.


  Item 1B.     Unresolved Staff Comments.

               Not applicable. None of the Registrant or any significant
               obligor is an accelerated filer, large accelerated filer or
               well-known seasoned issuer.


  Item 2.      Properties.

               Omitted.


  Item 3.      Legal Proceedings.

               Omitted.


  Item 4.      Submission of Matters to a Vote of Security Holders.

               Omitted.




                                     PART II

  Item 5.      Market for Registrant's Common Equity, Related Stockholder
               Matters and Issuer Purchases of Equity Securities.

               Omitted.


  Item 6.      Selected Financial Data.

               Omitted.


  Item 7.      Management's Discussion and Analysis of Financial Condition and
               Results of Operations.

               Omitted.


  Item 7A.     Quantitative and Qualitative Disclosures About Market Risk.

               Omitted.


  Item 8.      Financial Statements and Supplementary Data.

               Omitted.


  Item 9.      Changes in and Disagreements With Accountants on Accounting and
               Financial Disclosure.

               Omitted.


  Item 9A.     Controls and Procedures.

               Omitted.


  Item 9A(T).  Controls and Procedures.

               Omitted.


  Item 9B.     Other Information.

               None.




                                    PART III

  Item 10.     Directors, Executive Officers and Corporate Governance.

               Omitted.


  Item 11.     Executive Compensation.

               Omitted.


  Item 12.     Security Ownership of Certain Beneficial Owners and Management
               and Related Stockholder Matters.

               Omitted.


  Item 13.     Certain Relationships and Related Transactions, and Director
               Independence.

               Omitted.


  Item 14.     Principal Accounting Fees and Services.

               Omitted.




  ADDITIONAL DISCLOSURE ITEMS FOR REGULATION AB


Item 1112(b) of Regulation AB, Significant Obligor Financial Information.

The Banc of America Mortgage 2006-B Trust constitutes a significant obligor
within the meaning of Item 1101(k)(2) of Regulation AB.  The information
required by General Instruction J. of Form 10-K for the significant obligor is
provided in this Form 10-K for the Issuing Entity and the related compliance
documents are attached hereto under Part IV, Item 15.



Item 1114(b)(2) of Regulation AB, Significant Enhancement  Provider Financial
Information.

No entity or group of affiliated entities provides any external credit
enhancement or other support for the certificates within this transaction (or
the certificates issued by the significant obligor that comprise the pool
assets) as described under Item 1114(a) of Regulation AB.



Item 1115(b) of Regulation AB, Certain Derivatives Instruments (Financial
Information).

No entity or group of affiliated entities provides any derivative instruments or
other support for the certificates within this transaction (or the certificates
issued by the significant obligor that comprise the pool assets) as described
under Item 1115 of Regulation AB.



Item 1117 of Regulation AB, Legal Proceedings.

The registrant knows of no material pending legal proceedings involving the
significant obligor, the issuing entity, and all parties related to such issuing
entity, other than routine litigation incidental to the duties of those
respective parties.



Item 1119 of Regulation AB, Affiliations and Certain Relationships and Related
Transactions.

There are no changes to the information provided in the prospectus filed
pursuant to Rule 424 of the Securities Act of 1933, as amended, under the same
Central Index Key (CIK) as this annual report on Form 10-K.



Item 1122 of Regulation AB, Compliance with Applicable Servicing Criteria.

The reports on assessment of compliance with the servicing criteria for
asset-backed securities and the related attestation reports on such assessments
of compliance are attached hereto under Item 15.

Bank of America, National Association ("Bank of America"), as servicer with
respect to the Banc of America Mortgage 2006-B Trust, assessed its compliance
with the applicable servicing criteria set forth in Item 1122(d) of the
Securities and Exchange Commission's Regulation AB for the period January 1,
2009 to November 13, 2009 (the "Platform Conversion Date") and from the period
November 14, 2009 to December 31, 2009 and has identified the following material
instances of noncompliance:

With respect to the period January 1, 2009 to November 13, 2009:

1. For criterion 1122(d)(4)(vi), Bank of America notes that due to the high
   volume of modifications resulting from the economic climate of the last two
   years in some instances loan modifications were not made, reviewed, and/or
   approved in accordance with provisions of the transaction agreements.

2. For criterion 1122(d)(4)(vii), Bank of America notes that due in large part
   to the various regulatory moratoria on foreclosure activities during the last
   two years, certain loss mitigation or recovery actions were not initiated,
   conducted or concluded in accordance with the required timeframes established
   under the transaction agreements.

With respect to the period November 14, 2009 to December 31, 2009:

For criterion 1122(d)(4)(vii), Bank of America notes that due in large part to
the various regulatory moratoria on foreclosure activities during the last two
years, certain loss mitigation or recovery actions were not initiated, conducted
or concluded in accordance with the required timeframes established under the
transaction agreements.

Bank of America has outlined the following platform level remediation plans:

For Item 1122(d)(4)(vi), Bank of America notes that due to the high volume of
modifications resulting from the economic climate of the last two years, in some
instances loan modification actions were not made, reviewed, and/or approved in
accordance with the provisions of the transaction agreements.  Bank of America
is implementing enhanced audit procedures, additional reporting to management
and increased personnel to ensure that modification actions are made, reviewed,
and/or approved timely.

For Item 1122 (d)(4)(vii), Bank of America notes that due in large part to the
various regulatory moratoria on foreclosure activities during the last two
years, certain foreclosure actions were not initiated, conducted or concluded in
accordance with the required timeframes established under the transaction
agreements. Bank of America is implementing a more objective review criterion,
including additional management reporting and audit procedures for delinquent
loans to ensure foreclosures are initiated, conducted and concluded within
objectively defined guidelines.



Item 1123 of Regulation AB, Servicer Compliance Statements.

The servicer compliance statements disclose the following failure of one of the
servicers to fulfill its obligations under the applicable agreement in all
material respects:

Bank of America, National Association ("Bank of America") noted that certain
modification actions were not made, reviewed and/or approved in accordance with
the provisions of the pooling and servicing agreement, dated October 30, 2006,
among Banc of America Mortgage Securities, Inc., Bank of America and Wells
Fargo Bank, N.A.  Bank of America is implementing enhanced audit procedures,
additional reporting to management and increased personnel to ensure that
modification actions are made, reviewed and/or approved timely.

The servicer compliance statements are attached hereto under Item 15.



                               Part IV

  Item 15. Exhibits, Financial Statement Schedules.

  (a) Exhibits.

  (4.1) Trust Agreement, dated March 30, 2009, by and between Banc of America
  Funding Corporation and Wells Fargo Bank, N.A. (including exhibits),
  incorporated by reference from Exhibit 4.1 of the issuing entity's current
  report on Form 8-K filed March 30, 2009.

  (4.2) Mortgage Certificate Purchase Agreement, dated March 30, 2009, by and
  between Banc of America Funding Corporation and Banc of America Securities
  LLC, incorporated by reference from Exhibit 4.2 of the issuing entity's
  current report on Form 8-K filed on March 30, 2009.

  (4.3) Pooling and Servicing Agreement, dated October 30, 2006, by and
  among Banc of America Mortgage Securities, Inc., Bank of America, National
  Association and Wells Fargo Bank, N.A., with respect to the Banc of
  America Mortgage Trust 2006-B significant obligor (incorporated by
  reference from Exhibit 4.1 of the Banc of America Mortgage 2006-B
  Trust significant obligor's current report on Form 8-K filed on November
  14, 2006).

  (31) Rule 13a-14(d)/15d-14(d) Certification.

  (33) Reports on assessment of compliance with servicing criteria for
  asset-backed securities.


    <TABLE>
    <S>      <C>

    33.1 Bank of America, National Association as Servicer for Banc of America Mortgage
    2006-B Trust
    33.2 Wells Fargo Bank, N.A. as Trustee
    33.3 Wells Fargo Bank, N.A. as Custodian for Banc of America Mortgage 2006-B Trust
    33.4 Wells Fargo Bank, N.A. as Trustee for Banc of America Mortgage 2006-B Trust

    </TABLE>


  (34) Attestation reports on assessment of compliance with servicing criteria
  for asset-backed securities.


    <TABLE>
    <S>      <C>

    34.1 Bank of America, National Association as Servicer for Banc of America Mortgage
    2006-B Trust
    34.2 Wells Fargo Bank, N.A. as Trustee
    34.3 Wells Fargo Bank, N.A. as Custodian for Banc of America Mortgage 2006-B Trust
    34.4 Wells Fargo Bank, N.A. as Trustee for Banc of America Mortgage 2006-B Trust

    </TABLE>


   (35) Servicer compliance statements.


    <TABLE>
    <S>      <C>

    35.1 Bank of America, National Association as Servicer for Banc of America Mortgage
    2006-B Trust
    35.2 Wells Fargo Bank, N.A. as Trustee
    35.3 Wells Fargo Bank, N.A. as Trustee for Banc of America Mortgage 2006-B Trust

    </TABLE>


   (b) Not applicable.

   (c) Omitted.



                          SIGNATURES


  Pursuant to the requirements of Section 13 or 15(d) of the Securities
  Exchange Act of 1934, the registrant has duly caused this report to be
  signed on its behalf by the undersigned, thereunto duly authorized.


   Banc of America Funding Corporation
   (Depositor)


   /s/ Scott Evans
   Scott Evans, Senior Vice President
   (senior officer in charge of securitization of the depositor)


    Date:   March 26, 2010



  Exhibit Index

  Exhibit No.


   (4.1) Trust Agreement, dated March 30, 2009, by and between Banc of America
   Funding Corporation and Wells Fargo Bank, N.A. (including exhibits),
   incorporated by reference from Exhibit 4.1 of the issuing entity's current
   report on Form 8-K filed March 30, 2009.

   (4.2) Mortgage Certificate Purchase Agreement, dated March 30, 2009, by and
   between Banc of America Funding Corporation and Banc of America Securities
   LLC, incorporated by reference from Exhibit 4.2 of the issuing entity's
   current report on Form 8-K filed on March 30, 2009.

   (4.3) Pooling and Servicing Agreement, dated October 30, 2006, by and
   among Banc of America Mortgage Securities, Inc., Bank of America, National
   Association and Wells Fargo Bank, N.A., with respect to the Banc of
   America Mortgage 2006-B Trust significant obligor (incorporated by
   reference from Exhibit 4.1 of the Banc of America Mortgage 2006-B
   Trust significant obligor's current report on Form 8-K filed on November
   14, 2006).

   (31) Rule 13a-14(d)/15d-14(d) Certification.

   (33) Reports on assessment of compliance with servicing criteria for
   asset-backed securities.


    <TABLE>

    <S>      <C>
    33.1 Bank of America, National Association as Servicer for Banc of America Mortgage
    2006-B Trust
    33.2 Wells Fargo Bank, N.A. as Trustee
    33.3 Wells Fargo Bank, N.A. as Custodian for Banc of America Mortgage 2006-B Trust
    33.4 Wells Fargo Bank, N.A. as Trustee for Banc of America Mortgage 2006-B Trust

    </TABLE>

   (34) Attestation reports on assessment of compliance with servicing
   criteria for asset-backed securities.


    <TABLE>

    <S>      <C>
    34.1 Bank of America, National Association as Servicer for Banc of America Mortgage
    2006-B Trust
    34.2 Wells Fargo Bank, N.A. as Trustee
    34.3 Wells Fargo Bank, N.A. as Custodian for Banc of America Mortgage 2006-B Trust
    34.4 Wells Fargo Bank, N.A. as Trustee for Banc of America Mortgage 2006-B Trust

    </TABLE>

   (35) Servicer compliance statements.


    <TABLE>

    <S>      <C>
    35.1 Bank of America, National Association as Servicer for Banc of America Mortgage
    2006-B Trust
    35.2 Wells Fargo Bank, N.A. as Trustee
    35.3 Wells Fargo Bank, N.A. as Trustee for Banc of America Mortgage 2006-B Trust

    </TABLE>