An affiliated store terminal obtains a security code and a card holder's attribution information of a credit card, such as a card holder's attribution information consists of a date of birth, lower four figures of a home telephone number, a last name and a first name of a card holder. An authorization request transmitted from the affiliated terminal is transmitted to a card company apparatus, and further transmitted to a card issuing company apparatus through an intermediary center apparatus. The card company apparatus executes an authorization process and return a result of the authorization process to the affiliated store terminal through the intermediary center apparatus and the previous card company apparatus.