Company:  BLACKROCK CREDIT ALLOCATI ...
Form Type:  SC 13G/A
Filing Date:  5/10/2012 
CIK:  0001229876 
Address:  100 BELLEVUE PARKWAY 
City, State, Zip:  WILMINGTON, Delaware 19809 
Telephone:  800-441-7762 
Fiscal Year:  10/31 
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  FORM SC 13G/A