The purpose of the present invention is to provide an electronic money server that supports regular periodic payments using electronic money. On the electronic money server, a payment debt is created in association with an electronic money function section ID. A “transaction ID” is also determined at that time. An electronic money application on a portable terminal sends the electronic money server a payment debt request to ascertain whether or not a payment debt exists. If a payment debt exists and the due date thereof has been reached, the electronic money server sends the portable terminal a payment connection request and requests authorization from the user. If the user sends an “approval” notification to the electronic money server, the electronic money server sends a payment request by sending a subtraction command to a IC chip in the portable terminal.