MT 509 Field Specifications

3. Field 23G: Function of the Message

FORMAT

Option G

4!c[/4!c]

(Function) (Sub-function)

PRESENCE

Mandatory

DEFINITION

This field identifies the function of the message.

CODES

Function must contain one of the following codes (Error code(s): T86):

CAST	The message provides the status of the Receiver's cancellation request.
INST	The message provides the status of the Receiver's transaction.
REST	The message provides the status of the Receiver's replacement request.

CODES

When present, Sub-function must contain one of the following codes (Error code(s): T85):

CODU	This message is being sent as a copy to a party other than the account owner, for information purposes and the message is a duplicate of a message previously sent.
COPY	The message is being sent as a copy to a party other than the account owner, for information purposes.
DUPL	The message is for information/confirmation purposes. It is a duplicate of a message previously sent.

USAGE RULES

To reply to a cancellation request, Function is CAST. The reference in the linkage sequence must contain the Receiver's reference of the cancellation request.

To provide the status of a transaction, Function is INST. The reference in the linkage sequence must contain the Receiver's reference of the transaction (original instruction).

To provide the status of a replacement request, Function is REST. The reference in the linkage sequence must contain the Receiver's reference of the replacement request.