Field	Expected value	Description
MTID	1240	Identifies a financial reversal notification when used with Txn_Type = E.
Txn_Type	E	Identifies the message as a financial reversal.
MTID	25pp, where p = space	Identifies a Visa financial reversal of a purchase.
MTID	26pp, where p = space	Identifies a Visa financial reversal of a refund or credit-to-cardholder.
MTID	27pp, where p = space	Identifies a Visa financial reversal of a cash withdrawal or disbursement.