Financial transaction card originated messages - Interchange message specifications - Part 1: Messages, data elements and code values (Identifical to ISO 8583-1:2009)
X9.105-1-2009 (R2019) specifies a common interface by which financial transaction card-originated messages can 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 part .
Financial transaction card originated messages - Interchange message specifications - Part 1: Messages, data elements and code values (Identifical to ISO 8583-1:2009)