Field Expected value Description
MTID 1240 Identifies the message as a financial notification type.
Txn_Type H Identifies a chargeback notification, non-credit.
Txn_Type K Identifies a chargeback reversal.
Token Varies Identifies the card token associated with the transaction.
TXn_ID / Txn_ID Varies Identifies the EHI transaction message.
Acquirer_Reference_Data_031 Varies, when present May be used to match the chargeback to the financial notification.
Auth_Code_DE38 Varies, when present May help match the chargeback to the financial notification.
Trans_link Varies, when present May help match the chargeback to the financial notification or related chargeback.
Reason_ID Varies, when present Indicates the chargeback reason.
Dispute_Condition Varies, when present Provides additional dispute reason information for chargeback messages.
Network_Chargeback_Reference_Id Varies, when present Network chargeback reference identifier.