One terminal device accepts provision information to be provided, and furthermore, recipient information relating to a recipient capable of receiving the provision information, and accepts a provision format of the provision information for each recipient. The accepted provision information, recipient information and provision format are transmitted to a central apparatus. In the case where a request of the provision information and the recipient information is transmitted from one of terminal devices, provision information corresponding to the registered provision format is provided to the one of terminal devices based on the received recipient information.