MT 370 Field Specifications

6. Field 20C: Reference

FORMAT

Option C

:4!c//16x

(Qualifier)(Reference)

PRESENCE

Mandatory in optional subsequence A1

QUALIFIER

(Error code(s): T89)

Order	M/O	Qualifier	R/N	CR	Options	Qualifier Description
1	M	RELA	N		C	Related Message Reference
	or	PREV	N	C1	C	Previous Message Reference

DEFINITION

This qualified generic field specifies:

PREV	Previous Message Reference	Message reference of a previously sent Net Position Advice message.
RELA	Related Message Reference	Message reference of a related message previously received.

NETWORK VALIDATED RULES

Reference must not start or end with a slash '/' and must not contain two consecutive slashes '//' (Error code(s): T26).