C503 DOCUMENT/MESSAGE DETAILS Desc: Identification of document/message by number, status, source and/or language. 010 1004 Document identifier C an..35 020 1373 Document status code C an..3 030 1366 Document source description C an..70 040 3453 Language name code C an..3 050 1056 Version identifier C an..9 060 1060 Revision identifier C an..6