Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
CAVANAGH RICHARD
  2. Issuer Name and Ticker or Trading Symbol
BLACKROCK CREDIT ALLOCATION INCOME TRUST [BTZ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
55 EAST 52ND STREET
3. Date of Earliest Transaction (Month/Day/Year)
12/10/2012
(Street)

NEW YORK, NY 10055
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 12/10/2012   J(1) V 74 A (1) 274 D  
Common Stock 12/10/2012   J(2) V 80 A (2) 354 D  
Common Stock 12/10/2012   J(3) V 85 A (3) 439 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
CAVANAGH RICHARD
55 EAST 52ND STREET
NEW YORK, NY 10055
  X      

Signatures

 /s/ Eugene Drozdetski as Attorney-in-Fact   11/13/2013
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Effective as of December 10, 2012, BlackRock Credit Allocation Income Trust I, Inc. (the "Target Fund") was reorganized into BlackRock Credit Allocation Income Trust f/k/a BlackRock Credit Allocation Income Trust IV (the "Acquiring Fund," and such reorganization, the "Reorganization"). In the Reorganization, common shareholders of the Target Fund received common shares of the Acquiring Fund having a value equal to the aggregate NAV of the Target Fund common shares surrendered as determined at the close of business on December 7, 2012, less the costs of the Reorganization. As of December 7, 2012, the Target Fund reported a NAV per share of $11.4202 and the Acquiring Fund reported a NAV per share of $15.3340. The conversion ratio for the Target Fund's common shares was 0.74476327. In the Reorganization, Mr. Cavanagh received 74 common shares of the Acquiring Fund in exchange for his 100 common shares of the Target Fund.
(2) Effective as of December 10, 2012, BlackRock Credit Allocation Income Trust II, Inc. (the "Target Fund") was reorganized into BlackRock Credit Allocation Income Trust f/k/a BlackRock Credit Allocation Income Trust IV (the "Acquiring Fund," and such reorganization, the "Reorganization"). In the Reorganization, common shareholders of the Target Fund received common shares of the Acquiring Fund having a value equal to the aggregate NAV of the Target Fund common shares surrendered as determined at the close of business on December 7, 2012, less the costs of the Reorganization. As of December 7, 2012, the Target Fund reported a NAV per share of $12.2921 and the Acquiring Fund reported a NAV per share of $15.3340. The conversion ratio for the Target Fund's common shares was 0.80162384. In the Reorganization, Mr. Cavanagh received 80 common shares of the Acquiring Fund in exchange for his 100 common shares of the Target Fund.
(3) Effective as of December 10, 2012, BlackRock Credit Allocation Income Trust III (the "Target Fund") was reorganized into BlackRock Credit Allocation Income Trust f/k/a BlackRock Credit Allocation Income Trust IV (the "Acquiring Fund," and such reorganization, the "Reorganization"). In the Reorganization, common shareholders of the Target Fund received common shares of the Acquiring Fund having a value equal to the aggregate NAV of the Target Fund common shares surrendered as determined at the close of business on December 7, 2012, less the costs of the Reorganization. As of December 7, 2012, the Target Fund reported a NAV per share of $13.1753 and the Acquiring Fund reported a NAV per share of $15.3340. The conversion ratio for the Target Fund's common shares was 0.85922134. In the Reorganization, Mr. Cavanagh received 85 common shares of the Acquiring Fund in exchange for his 100 common shares of the Target Fund.

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