scope:

This specification provides the definition of the Extended Payment Order Message (PAYEXT) to be used in electronic data interchange (EDI) between partners involved in administration, commerce and transport. An Extended Payment Order is sent by the Ordering Customer (or Payer or Agent on behalf of the Ordering Customer) to the Ordered Bank, to instruct the Ordered Bank to debit an account it services for the Ordering Customer, and to arrange for the payment of a specified amount to the Beneficiary (or Payee or Agent in favour of Beneficiary) in settlement of the referenced business transaction(s), and to provide to the Payee full details of the transactions to which the Extended Payment Order relates.