Skip to main content
Header logo

ISO 15022
Data Field Dictionary

MT566: (3) Field 23G: Function of the Message

FORMAT

Option G 4!c[/4!c] (Function)(Subfunction)

PRESENCE

Mandatory (referenced in rule C2) in mandatory sequence A

DEFINITION

This field identifies the function of the message.

CODES

Function must contain one of the following codes:

NEWM

New

New message.

REVR

Reverse

Message sent to reverse a posting on a previously sent confirmation.

CODES

Subfunction, when present, must contain one of the following codes:

CODU

Copy Duplicate

Message is a copy to a party other than the account owner/account servicer, for information purposes and the message is a duplicate of a message previously sent.

COPY

Copy

Message is a copy to a party other than the account owner/account servicer, for information purposes.

DUPL

Duplicate

Message is for information/confirmation purposes. It is a duplicate of a message previously sent.

USAGE RULES

To reverse a posting on a previously sent message, Function is REVR. The reference in the linkage sequence must contain the Sender's reference of the message to be reversed.

loader icon