MT 420 Field Specifications

1. Field 20: Sending Bank's TRN

FORMAT

16x

PRESENCE

Mandatory

DEFINITION

This field contains the collection number which has been assigned by the Sender of the message.

NETWORK VALIDATED RULES

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

USAGE RULES

If the MT 420 is sent as a result of a previously transmitted MT 405 Clean Collection, then:

• field 20 of the MT 420 should contain the transaction reference of this MT 405, ie, field 21A of sequence B, and;

• field 72 of the MT 420 should contain the Sender's reference of this MT 405, ie, field 20 of sequence A.