MT541: (7) Field 22F: Indicator: Linkage Type Indicator

FORMAT

Option F

:4!c/[8c]/4!c

(Qualifier)(Data Source Scheme)(Indicator)

PRESENCE

Optional in optional subsequence A1

QUALIFIER

Order	M/O	Qualifier	R/N	CR	Options	Qualifier Description
1	O	LINK	N		F	Linkage Type Indicator

DEFINITION

This qualified generic field specifies:

LINK

Linkage Type Indicator

Specifies when the instruction is to be executed relative to a linked instruction.

CODES

If Qualifier is LINK and Data Source Scheme is not present, Indicator must contain one of the following codes :

AFTE	After	Indicates that the message is to be processed after the linked message.
BEFO	Before	Indicates that the message is to be processed before the linked message.
INFO	Information	Indicates that the messages are linked for information purposes only.
WITH	With	Indicates that the message is to be processed with the linked transaction.

USAGE RULES

If code WITH is used, it links together one or more instructions which become bound and which must be executed together. Even if one single instruction can not be executed, then all the other instructions must also be kept pending. Therefore the use of code WITH must be limited to combine up to 2 or 3 instructions.