Hi Tom: Your Cobol program should call the MPEiX intrinsic GETINFO thus: WORKING-STORAGE SECTION. 01 INFO-STRING PIC X(256). 01 INFO-LENGTH PIC S9(04) COMP. 01 PARM PIC S9(04) COMP. 01 RESULT PIC S9(04) COMP. PROCEDURE DIVISION. ... ... CALL INTRINSIC "GETINFO" USING INFO-STRING, INFO-LENGTH, PARM GIVING RESULT. HTH, Brian.