The standard IBM-supplied program definitions in the CSD all specify USELPACOPY(NO). If you copy, or move, to the LPA some (or all) of the IBM® programs defined by definitions in the CSD, the next step is to modify the USELPACOPY attribute to ensure CICS® uses the LPA copy.
To simplify this task:
//LPAMODS JOB (account_details),MSGCLASS=A,MSGLEVEL=(1,1),
// CLASS=A,NOTIFY=userid
//DEFULPA EXEC PGM=DFHCSDUP
//STEPLIB DD DSN=CICSTS31.CICS.SDFHLOAD,DISP=SHR
//SYSPRINT DD SYSOUT=*
//DFHCSD DD DSN=user.CICSTS31.CICS.DFHCSD,DISP=OLD
//SYSIN DD DSN=CICSTS31.CICS.SDFHSAMP(DFH$ULPA),DISP=SHR
/*
//*