<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>2
<FILENAME>77o19.txt
<TEXT>

                                                                          LOGO

 Rule 10f-3 Transaction Form

 Acquisition of Securities During Affiliated Underwritings


PARTICIPATING FUNDS

[_]  U.S. Registered Funds (Name of Fund, Aladdin Ticker):
     iShares National Muni Bond ETF (ISHMUNI)
     iShares New York Muni Bond ETF (ISHNY)
     BlackRock Municipal Income Investment Quality Trust (BAF)
     BlackRock Allocation Target Shares : Series E Portfolio (BATSE)
     BlackRock Municipal Income Investment Trust (BBF)
     BlackRock Municipal Income Trust (BFK)
     BlackRock Municipal Income Trust II (BLE)
     BlackRock High Yield Municipal Fund (BR-HYMUNI)
     BlackRock National Municipal Fund of Blackrock Municipal Bond Fund, Inc.
     (BR-NATL)
     BlackRock New York Municipal Opportunities Fund of BlackRock Multi-State
     Mu (BR-NYMO)
     BlackRock Strategic Municipal Trust (BSD)
     BlackRock Long-Term Municipal Advantage Trust (BTA)
     BlackRock Municipal Income Quality Trust (BYM)
     BlackRock MuniEnhanced Fund, Inc.(MEN)
     BlackRock MuniHoldings Investment Quality Fund (MFL)
     BlackRock MuniYield Investment Quality Fund (MFT)
     BlackRock MuniHoldings Fund, Inc. (MHD)
     BlackRock MuniHoldings New York Quality Fund, Inc. (MHN)
     BlackRock MuniYield Quality Fund II, Inc. (MQT)
     BlackRock MuniYield Quality Fund, Inc. (MQY)
     BlackRock MuniHoldings Fund II, Inc. (MUH)
     BlackRock MuniVest Fund II, Inc. (MVT)
     BlackRock MuniYield Fund, Inc. (MYD)
     BlackRock MuniYield Investment Fund (MYF)
     BlackRock MuniYield Quality Fund III, Inc. (MYI)
     BlackRock MuniYield New York Quality Fund, Inc. (MYN)

THE OFFERING

KEY CHARACTERISTICS (COMPLETE ALL FIELDS)

Date of                    07-21-2016
Offering Commencement:

Security Type:             BND/MUNI

Issuer                     Metropolotan Transportation Authority
                           Transportation Revenue Bonds, Series 2016C,
                           Subseries 2016-C-1 (2056)

Selling Underwriter        Wells Fargo Securities, LLC

Affiliated Underwriter(s)  [X] PNC Capital Markets LLC
                           [_] Other:

List of Underwriter(s)     Wells Fargo Securities, LLC, Drexel Hamilton, LLC,
                           Estrada Hinojosa & Company, Rice Financial Products
                           Company, BNYMellon Capital Markets, Merrill Lynch,
                           Pierce, Fenner & Smith Incorporated, Citigroup
                           Global Markets Inc, Goldman, Sachs & Co., J.P.
                           Morgan Securities LLC, Jefferies LLC, Loop Capital
                           Markets LLC, Morgan Stanley & Co. LLC, Samuel A.
                           Ramirez & Company, Inc., RBC Capital Markets, LLC,
                           Siebert Brandford Shank & Co, Academy Securities,
                           Barclays Capital Inc., Cabrera Capital Markets,
                           LLC, Duncan-Williams, Inc., Fidelity Capital
                           Markets, Janney Montgomery Scott LL, Keybank
                           Capital Markets Inc, M&T Securities, Inc, Mesirow
                           Financial Inc, Oppenheimer & Co, Piper Jaffray &
                           Co, PNC Capital Markets LLC, Raymond James &
                           Associates, Inc, Roosevelt & Cross, Inc, Stern
                           Brothers & Co., Stifel Nicolaus & Company, Inc, The
                           Williams Capital Group, L.P , TD Securities (USA)
                           LLC, U.S. Bancorp Investments, Inc

                                                                    Page 1 of 2

                                                                          LOGO


TRANSACTION DETAILS

Date of Purchase      07-21-2016

<TABLE>
<C>                     <C>       <S>                                         <C>
Purchase Price/Share    $119.657
(PER SHARE / % OF PAR)    (2.79)
                        $122.685
                          (2.71)  Total Commission, Spread or Profit          0.463%
                        ---------                                             ------
</TABLE>

<TABLE>
<S>                                                                  <C>
1.  Aggregate Principal Amount Purchased (a+b)                       $104,120,000
                                                                     ------------

    a.  US Registered Funds
        (Appendix attached with individual Fund/Client purchase)     $ 87,500,000

    b.  Other BlackRock Clients                                      $ 16,620,000

2.  Aggregate Principal Amount of Offering                           $863,860,000
                                                                     ------------
FUND RATIO
[Divide Sum of #1 by #2]                                                 0.120528
Must be less than 0.25
</TABLE>

                                                                          LOGO


LEGAL REQUIREMENTS

OFFERING TYPE (CHECK ONE)

The securities fall into one of the following transaction types (see
Definitions):

[_] U.S. Registered Public Offering... [Issuer must have 3 years of continuous
                                       operations]

[_] Eligible Rule 144A Offering....... [Issuer must have 3 years of continuous
                                       operations]

[X] Eligible Municipal Securities

[_] Eligible Foreign Offering......... [Issuer must have 3 years of continuous
                                       operations]

[_] Government Securities Offering.... [Issuer must have 3 years of continuous
                                       operations]

TIMING AND PRICE (CHECK ONE OR BOTH)

[X] The securities were purchased before the end of the first day on which any
    sales were made, at a price that was not more than the price paid by each
    other purchaser of securities in that offering or in any concurrent
    offering of the securities; and

[_] If the securities are offered for subscription upon exercise of rights, the
    securities were purchased on or before the fourth day before the day on
    which the rights offering terminated.

FIRM COMMITMENT OFFERING (CHECK ONE)

[X]  YES  The securities were offered pursuant to an underwriting or similar
[_]  NO   agreement under which the underwriters were committed to purchase
          all of the securities being offered, except those purchased by
          others pursuant to a rights offering, if the underwriters purchased
          any of the securities.

NO BENEFIT TO AFFILIATED UNDERWRITER (CHECK ONE)

[X]  YES  No affiliated underwriter was a direct or indirect participant in,
[_]  NO   or benefited directly or indirectly from, the transaction.


Completed by:            Dipankar Banerjee               Date:  07-26-2016
                         ------------------------------         ---------------
                         Global Syndicate Team Member

Approved by:             Steven DeLaura                  Date:  07-26-2016
                         ------------------------------         ---------------
                         Global Syndicate Team Member

                                                                          LOGO


DEFINITIONS

<TABLE>
<CAPTION>
TERM                       DEFINITION
<S>                        <C>
Fund Ratio                 Number appearing at the bottom of page 1 of 2 of
                           the Rule 10f-3 Report form. It is the sum of the
                           Funds' participation in the offering by the Funds
                           and other accounts managed by BlackRock divided by
                           the total amount of the offering.

Eligible Foreign Offering  The securities are sold in a public offering
                           conducted under the laws of a country other than
                           the United States and

                           (a) the offering is subject to regulation in such
                               country by a "foreign financial regulatory
                               authority," as defined in Section 2(a)(50) of
                               the Investment Company Act of 1940;

                           (b) the securities were offered at a fixed price to
                               all purchasers in the offering (except for any
                               rights to purchase securities that are required
                               by law to be granted to existing security
                               holders of the issuer);

                           (c) financial statements, prepared and audited as
                               required or permitted by the appropriate
                               foreign financial regulatory authority in such
                               country, for the two years prior to the
                               offering, were made available to the public and
                               prospective purchasers in connection with the
                               offering; and

                           (d) if the issuer is a "domestic issuer," i.e.,
                               other than a foreign government, a national of
                               any foreign country, or a corporation or other
                               organization incorporated or organized under
                               the laws of any foreign country, it (1) has a
                               class of securities registered pursuant to
                               section 12(b) or 12(g) of the Securities
                               Exchange Act of 1934 or is required to file
                               reports pursuant to section 15(d) of that act,
                               and (2) has filed all the material required to
                               be filed pursuant to section 13(a) or 15(d) of
                               that act for a period of at least 12 months
                               immediately preceding the sale of securities
                               (or for such shorter period that the issuer was
                               required to file such material)
</TABLE>

                                                                          LOGO


<TABLE>
<CAPTION>
TERM                              DEFINITION
<S>                               <C>
Eligible Municipal Securities     The securities:

                                  (a) are direct obligations of, or obligations
                                      guaranteed as to principal or interest by,
                                      a State or any political subdivision
                                      thereof, or any agency or instrumentality
                                      of a State or any political subdivision
                                      thereof, or any municipal corporate
                                      instrumentality of one or more States, or
                                      any security which is an industrial
                                      development bond (as defined in section
                                      103(c)(2) of Title 26) the interest on
                                      which is excludable from gross income
                                      under certain provisions of the Internal
                                      Revenue Code;

                                  (b) are sufficiently liquid that they can be
                                      sold at or near their carrying value
                                      within a reasonably short period of time;
                                      and

                                  (c) either

                                      (1)  are subject to no greater than
                                           moderate credit risk; or

                                      (2)  if the issuer of the municipal
                                           securities, or the entity supplying
                                           the revenues or other payments from
                                           which the issue is to be paid, has
                                           been in continuous operation for less
                                           than three years, including the
                                           operation of any predecessors, the
                                           securities are subject to a minimal
                                           or low amount of credit risk.

                                  Also, purchases of municipal securities may
                                  not be designated as group sales or otherwise
                                  allocated to the account of any prohibited
                                  seller (i.e., an affiliated underwriter).

Eligible Rule 144A Offering       The securities are sold in an offering where

                                  (a) the securities are offered or sold in
                                      transactions exempt from registration
                                      under Section 4(2) of the Securities Act
                                      of 1933, Rule 144A thereunder, or Rules
                                      501-508 thereunder;

                                  (b) the securities were sold to persons that
                                      the seller and any person acting on behalf
                                      of the seller reasonably believe to
                                      include qualified institutional buyers, as
                                      defined in Rule 144A ("QIBs"); and

                                  (c) the seller and any person acting on behalf
                                      of the seller reasonably believe that the
                                      securities are eligible for resale to
                                      other QIBs pursuant to Rule 144A.

Government Securities Offering    The security is issued or guaranteed as to
                                  principal or interest by the United States, or
                                  by a person controlled or supervised by and
                                  acting as an instrumentality of the Government
                                  of the United States pursuant to authority
                                  granted by the Congress of the United States;
                                  or any certificate of deposit for any of the
                                  foregoing.

U.S. Registered Public Offering.  The securities offered are registered under
                                  the Securities Act of 1933 that are being
                                  offered to the public.
</TABLE>
</TEXT>
</DOCUMENT>
