ÖNORM EN ISO 8583

This International Standard addresses the following: a) Interchange Message Specifications This International Standard specifies a common interface by which financial transaction card originated messages may be interchanged between acquirers and card issuers. It specifies message structure, format and content, data elements and values for data elements. The method by which settlement takes place is not within the scope of this standard. b) Registration Authority This International Standard specifies a numbering system for institution identification codes for financial institutions which do not have an ISO 7812 institution identification number. It also specifies the procedures used for the registration of institution identification codes. c) Maintenance Agency of Codes This International Standard establishes procedures for a Maintenance Agency for codes used in this standard, the method of applying for codes and the method of obtaining lists of codes.