| 摘要 |
<p>Transaction processing involves receiving data from an access transaction application of a portable consumer device, wherein the received data compri ses data from an access transaction data string that includes a transit veri fication value wherein, with the exception of the transit verification value , the access transaction data string is substantially similar to a retail da ta string comprising retail data, wherein the access application data string is adapted for use with an access transaction processing system and the ret ail data string is adapted for use with a retail processing system. The tran saction processing involves processing access transaction application data f or selective authorization of the transaction.</p> |
