This part of X9.104 defines a common interface for the exchange of information between point of sale systems or terminal devices located in a retail establishment and the acquiring host transaction processing system(s). This part of X9.104 is applicable to all aspects of payment processing required by these retail facilities@ including the reporting of specific products that are part of a purchase. The standard defines a sufficient number of message types and data elements to facilitate the exchange of all necessary information related to: (1) payment transactions originated by point of sale systems or terminal devices@ and (2) automated control of the systems and devices. People Who Bought This Also Bought: ANSI/X9 X9.104-2-2004 - Financial transaction card originated messages - Card acceptor to acquiring host messages Part 2: Convenience store and petroleum marketing industry