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<SEC-DOCUMENT>0000905148-06-007589.txt : 20061229
<SEC-HEADER>0000905148-06-007589.hdr.sgml : 20061229
<ACCEPTANCE-DATETIME>20061229104857
ACCESSION NUMBER:		0000905148-06-007589
CONFORMED SUBMISSION TYPE:	NT-NCSR
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061031
FILED AS OF DATE:		20061229
DATE AS OF CHANGE:		20061229
EFFECTIVENESS DATE:		20061229

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK MUNIHOLDINGS FUND INC
		CENTRAL INDEX KEY:			0001034665
		IRS NUMBER:				223508039
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NT-NCSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-08081
		FILM NUMBER:		061304322

	BUSINESS ADDRESS:	
		STREET 1:		800 SCUDDERS MILL ROAD
		CITY:			PLAINSBORO
		STATE:			NJ
		ZIP:			08536
		BUSINESS PHONE:		609-282-2116

	MAIL ADDRESS:	
		STREET 1:		800 SCUDDERS MILL ROAD
		CITY:			PLAINSBORO
		STATE:			NJ
		ZIP:			08536

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIHOLDINGS FUND INC
		DATE OF NAME CHANGE:	19970226
</SEC-HEADER>
<DOCUMENT>
<TYPE>NT-NCSR
<SEQUENCE>1
<FILENAME>efc6-3060_6006708ntncsr.txt
<TEXT>







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

                                  FORM 12b-25



                                            Commission File Number   811-08081
                                                                     ---------

                                                     CUSIP  Number 09253N 104
                                                                   ----------

                          NOTIFICATION OF LATE FILING

(Check One):
[   ] Form 10-K                             [   ] Form 20-F
[   ] Form 11-K                             [   ] Form 10-Q
[   ] Form N-SAR                            [ X ] Form N-CSR

         For Period Ended:  October 31, 2006
                            -----------------------------------------

         [  ]     Transition Report on Form 10-K
         [  ]     Transition Report on Form 20-F
         [  ]     Transition Report on Form 11-K
         [  ]     Transition Report on Form 10-Q
         [  ]     Transition Report on Form N-SAR
         [  ]     Transition Report on Form N-CSR

         For the Transition Period Ended:____________________________



         Read Attached Instruction Sheet Before Preparing Form. Please Print
or Type.

         Nothing in this form shall be construed to imply that the Commission
has verified any information contained herein.



         If the notification relates to a portion of the filing checked above,
identify the Item(s) to which the notification relates:______________________

                                      1

<PAGE>



                                    PART I
                            REGISTRANT INFORMATION


BlackRock MuniHoldings Fund, Inc.
- -------------------------------------------------------------------------------
Full Name of Registrant

MuniHoldings Fund, Inc.
- -------------------------------------------------------------------------------
Former Name if Applicable

800 Scudders Mill Road
- -------------------------------------------------------------------------------
Address of Principal Executive Office (Street and Number)

Plainsboro, New Jersey  08536
- -------------------------------------------------------------------------------
City, State and Zip Code


                                    PART II
                            RULE 12b-25(b) AND (c)


         If the subject report could not be filed without unreasonable effort
or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the
following should be completed. (Check box if appropriate) X
                                                         ---

         (a) The reasons described in reasonable detail in Part III of this
form could not be eliminated without unreasonable effort or expense;


         (b) The subject annual report, semi-annual report, transition report
on Form 10-K, Form 20-F, 11-K, Form N-SAR or Form N-CSR, or portion thereof
will be filed on or before the 15th calendar day following the prescribed due
date; or the subject quarterly report or transition report on Form 10-Q, or
portion thereof will be filed on or before the fifth calendar day following
the prescribed due date; and


         (c) The accountant's statement or other exhibit required by Rule
12b-25(c) has been attached if applicable.

                                      2

<PAGE>


                                   PART III
                                   NARRATIVE


         State below in reasonable detail the reasons why Forms 10-K, 20-F,
11-K, 10-Q, N-SAR, N-CSR or the transition report or portion thereof could not
be filed within the prescribed time period. (Attach extra sheets if needed.)

         Due to a recent change in the accounting interpretation of the
presentation in the Fund's financial statements of investments in tender
option bonds or inverse floating rate bonds, the Fund is not able to finalize
the presentation of these investments in its financial statements for a timely
filing of its Form N-CSR to be made. The Fund's Form N-CSR will be completed
and filed with the Securities and Exchange Commission as soon as practicable.



                                    PART IV
                               OTHER INFORMATION


         (1) Name and telephone number of person to contact in regard to this
notification.

Donald C. Burke                                  (609) 282-7085
- -------------------------------------------------------------------------------
(Name)                                           (Area code) (Telephone number)

         (2) Have all other periodic reports required under Section 13 or
15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment
Company Act of 1940 during the preceding 12 months or for such shorter period
that the registrant was required to file such report(s) been filed? If answer
is no, identify report(s).


                   X  Yes                   ___ No
                  --

         (3) Is it anticipated that any significant change in results of
operations from the corresponding period for the last fiscal year will be
reflected by the earnings statements to be included in the subject report or
portion thereof?


                  ___ Yes                    X  No
                                            --

         If so, attach an explanation of the anticipated change, both
narratively and quantitatively, and, if appropriate, state the reasons why a
reasonable estimate of the results cannot be made.

                                      3

<PAGE>





Date  December 28, 2006              By  /s/ Donald C. Burke
      ----------------------------       --------------------------------------
                                         Donald C. Burke
                                         Vice President and Treasurer


                                      4
</TEXT>
</DOCUMENT>
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