To provide executable portable electronic equipment and an IC card even when the addition or change of processing due to command transmission is required in the phase of an undertaker before shipping.
The phase identification information of an IC card is stored, and the list of commands for instructing the shift of the phase is stored for each phase, and when the command is input from the outside, which phase has the portable electronic equipment is decided by referring to the phase identification information, and whether or not the input command is a command executable in the decided phase is decided, and when it is decided that the pertinent command is an executable command, and the processing of the command normally ends, whether or not the pertinent command is a command to instruct the shift of the phase in the phase is decided by referring to the list of the phase shift command, and when the command is the command to instruct the shift of the phase, the pertinent phase identification information is rewritten with information showing the next phase.
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto