Patent ID: 8793168

Claim:
A method for calculating at least one third party payment owed to a third party, the payment being owed as part of a wide area network transaction between a first party located at a first node of the wide area network and a second party located at a different second node of the wide area network, the method comprising the steps of: a) the first party initiating a wide area network transaction thereby generating an information packet on a first computer system of the first party, said information packet containing transaction data; b) the first computer system transmitting said information packet to a second computer system of the second party; c) the second computer system determining whether or not said transaction data contains third party payment data and, if not, adding third party payment data to said transaction data unless the first party has registered any exemption to third party payment or the second party has opted out of third party payment; and d) the second computer system transmitting to a third computer system transaction data including third party payment data if added in step c); wherein said first party is a transaction consumer, and said second party is a transaction merchant.