Does CA Librarian use IHAPSA field PSASTAK?

Document ID : KB000117802
Last Modified Date : 18/10/2018
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We are applying IBM PTF UA96475 and we need to check if CA Librarian uses the IHAPSA field PSASTAK. 

Software must no longer reference the IHAPSA field PSASTAK. 
With this PTF, PSASTAK is no longer the beginning of the normal FRR stack.
PSACSTK is an existing pointer to the beginning of the normal FRR stack. 

Software that references PSASTAK must be converted to use PSACSTK as the pointer to the normal FRR stack.
Does CA Librarian use IHAPSA field PSASTAK?
There is no impact. CA Librarian does not reference PSASTAK.