Patent ID: 7628323

Claim:
A settlement server adapted to be positioned in a transaction system including: a terminal having: data reading means for reading card identifier information to be used for a settlement operation which have been stored in a storing means provided with an IC card; and data communication means for transmitting the card identifier information and item selection text regarding an article to be purchased with use of the IC card; and a settlement transaction server having: settlement information communicating means for receiving a settlement request prepared in accordance with the card identifier information and the item selection text; and settlement transaction means for performing settlement transaction operation in response to the settlement request received by the settlement information communicating means; the settlement server comprising: (a) receiving means for receiving the card identification information and the item selection text both of which have been transmitted from the terminal; (b) settlement canceling information preparation means for preparing settlement canceling information in accordance with the card identification information and the item selection text; and (c) settlement information communicating means for sending the settlement canceling request, for canceling a settlement having been defined by the settlement transaction server, to the settlement transaction server in accordance with the settlement canceling information prepared by the settlement canceling information preparation means, wherein the settlement information communicating means of the settlement transaction server is further arranged to receive the settlement canceling request, and the settlement transaction means is further arranged to perform a settlement transaction operation in response to the settlement canceling request.