Patent ID: 7844490

Claim:
A method comprising: receiving an authorization request message at a server computer from a terminal, wherein the authorization request message is associated with a purchase transaction made by a consumer at a merchant using a portable consumer device; after receiving the authorization request message, electronically searching a database to determine a merchant-specific promotional program using a merchant verification value associated with the merchant; performing the determined merchant-specific promotional program after receiving the authorization request message, wherein the performing determines that the consumer is a winner; after receiving the authorization request message, sending, by the server computer, the authorization request message to an issuer associated with the portable consumer device, wherein the issuer thereafter determines whether or not the transaction is authorized and then generates an authorization response message indicating whether or not the transaction is authorized, and wherein the authorization response message includes an authorization code; receiving the authorization response message at the server computer from the issuer; modifying the authorization response message by the server computer by replacing the authorization code with an indication that the consumer is a winner, thereby creating a modified authorization response message; and sending the modified authorization response message by the server computer, to the terminal.