A recording medium is provided to prevent the bio-information which is same as the bio-information stored in the recording medium from being registered. A reception unit(105) receives the first card information and the first bio-information from the client through the predetermined terminal(145). A registration unit(110) processes the first card information and the first bio-information and registers in a predetermined storage media(140). A comparison unit (115) compares the second bio-information and the first bio-information already registered by the storage media in order to prevent the same bio-information from being registered. A notifying part(120) notifies the client of the registration disallowance of the second bio-information through the predetermined terminal and demands the third bio-information.
