 16x |
Conditional (see rule C1) in mandatory sequence A
This field contains the identification of the message to which the current message is related, that is, the sender's reference in field 20 of the previous message which is to be amended or cancelled by this message.
This field must not start or end with a slash '/' and must not contain two consecutive slashes '//' (Error code(s): T26).
When used, this field must contain field 20 Sender's Reference of the previous message, or the reference of the telex/fax of the original confirmation.
