MT549: (12) Field 20C: Reference

FORMAT

Option C :4!c//16x (Qualifier)(Reference)

PRESENCE

Mandatory in optional subsequence A1

QUALIFIER

 

Order

M/O

Qualifier

R/N

CR

Options

Qualifier Description

1

M

PREV

N

C4

C

Previous Message Reference

 

or

RELA

N

 

C

Related Message Reference

DEFINITION

This qualified generic field specifies:

PREV

Previous Message Reference

Message reference of the linked message which was previously sent.

RELA

Related Message Reference

Message reference of the linked message which was previously received.

NETWORK VALIDATED RULES

Reference must not start or end with a slash '/' and not contain two consecutive slashes '//' .