Rule 10f-3 Transaction Form

Acquisition of Securities During Affiliated Underwritings

Participating Funds
U.S. Registered Funds (Name of Fund, Aladdin Ticker):
iShares iBoxx $ High Yield Corporate Bond ETF (ISHHYLD)
iShares U.S. Fixed Income Balanced Risk ETF (ISHINC)
BlackRock Alternative Strategies Fund - Trading Account
(ACS-TRD)
BlackRock Core Bond Trust - High Yield (BHK-HYLD)
BlackRock Multi-Sector Income Trust - High Yield (BIT-HYLD)
BlackRock Limited Duration Income Trust - High Yield (BLW-HYLD)
BlackRock Funds, BlackRock Global Long/Short Credit Fund
(BR-GC)
BlackRock Funds II, High Yield Bond Portfolio (BR-HIYLD)
BlackRock Multi-Asset Income - High Yield Portfolio (BR-INC-HY)
BlackRock Secured Credit Portfolio (BR-MSB)
BlackRock Credit Allocation Income Trust (Preferred Sleeve)
(BTZ-PREF)
BlackRock High Yield Portfolio of BlackRock Series Fund,
Inc (BVA-HI)
BlackRock High Yield V.I. Fund (BVA-HY)
BlackRock Debt Strategies Fund, Inc. (DSU)
BlackRock Corporate High Yield Fund, Inc. (HYT)
MIST BlackRock High Yield Portfolio (MIST-HY)
AST BlackRock Global Strategies Portfolio (US High Yield)
(PRU-AA-HY)
JNL/BlackRock Global Long Short Credit Fund (SMF_CC-GC)


The Offering

Key Characteristics (Complete ALL Fields)
Date of
Offering
Commencement:
10-29-2015

Security Type:
BND/CORP


Issuer
First Data Corporation (2023)

Selling
Underwriter
Merrill Lynch, Pierce, Fenner & Smith
Incorporated

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

List of
Underwriter(s)
Merrill Lynch, Pierce, Fenner & Smith
Incorporated, Citigroup Global Markets
Inc., Deutsche Bank Securities Inc.,
Morgan Stanley & Co. LLC, Credit Suisse
Securities (USA) LLC, Barclays Capital
Inc., HSBC Securities (USA) Inc., Mizuho
Securities USA Inc., PNC Capital Markets
LLC, SunTrust Robinson Humphrey, Inc.,
Wells Fargo Securities, LLC, KKR Capital
Markets LLC, BBVA Securities Inc., FTN
Financial Securities Corp., KeyBanc
Capital Markets Inc.


Transaction Details

Date of Purchase
10-29-2015


Purchase
Price/Share
(per share / %
of par)
$100

Total
Commission,
Spread or
Profit
1.00%


1.	Aggregate Principal Amount Purchased
(a+b)
$450,000,000

a.US Registered Funds
(Appendix attached with individual
Fund/Client purchase)
$306,502,000

b.Other BlackRock Clients
$143,498,000

2.	Aggregate Principal Amount of
Offering
$3,400,000,000

Fund Ratio
[Divide Sum of #1 by #2]
Must be less than 0.25

0.1323


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]
[x] Eligible Rule 144A Offering[Issuer must have 3 years of
continuous operations]
[ ] 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
[ ]  NO
The securities were offered pursuant to an
underwriting or similar 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
No affiliated underwriter was a direct or indirect
participant in, or benefited directly or indirectly
from, the transaction.




Completed by:
Dipankar Banerjee
Date:
11-04-2015

Global Syndicate Team Member




Approved by:
Steven DeLaura
Date:
11-04-2015

Global Syndicate Team Member