Answer Posted / som

BECAUSE IF WE DEFINE THE OCCURS CLAUSE AT 01 LEVEL THEN IT
BREAK THE BASIC RULE OF LANGUAGE DECLARTION OF SAME NAME
VARIABLE MORE THEN ONE TIME.E.G
01 NAME PIC XX OCCURS 2 TIMES. MEANS ACTUAL DECLARTION WILL
LIKE THIS
01 NAME PIC XX.
01 NAME PIC XX.
THATS WHY IT IS NOT USED AT 01 LEVEL

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