Timestamp administration system and image forming apparatus

摘要

A timestamp administration system includes: a timestamp information acquiring section which acquires timestamp information via a network from a timestamp organization of verifying the time; a granting information storage which stores one or more granting information indicating granting of acquiring the timestamp information by the timestamp information acquiring section; a granting information acquiring section which acquires the granting information based on an external input; and a controlling section which causes the timestamp information acquiring section to acquire the timestamp information if it is judged that the granting information acquired by the granting information acquiring section is stored in the granting information storage.