例
000001 IDENTIFICATION DIVISION.
000002 PROGRAM-ID. P2165.
000003 ENVIRONMENT DIVISION.
000004 INPUT-OUTPUT SECTION.
000005 FILE-CONTROL.
000006 SELECT RLFILE1 ASSIGN TO SYS001
000007 ORGANIZATION IS RELATIVE
000008 RELATIVE KEY IS RKEY.
000009 I-O-CONTROL.
000010 DATA DIVISION.
000011 BASED-STORAGE SECTION.
000012 01 RKEY PIC 9(2).
000013 FILE SECTION.
000014 FD RLFILE1.
000015 01 RLF1REC.
000016 02 PIC X(80).
000017 PROCEDURE DIVISION.
000018 END PROGRAM P2165.
P2165.cob (8) : JMN2165I-S RELATIVE KEY指定のデータ名は,作業場所節,局所記憶節,連絡節またはファイル節中に定義されていなければなりません.