IDENTIFICATION CARD

PURPOSE:To use the card including many different things by writing and reading selectively to a data area for respective using divisions. CONSTITUTION:In the internal part of a non-volatile memory 2, the first data area 2a and the third data area 2c which are exclusive-use to the reading to store the certifying data, the second data area 2b and the fourth data area 2d controlled so that the remarks data of the certifying data can be stored and rewritten and can be exclusive-use to the reading for the user, the fifth data area 2e which can be rewritten optionally by the user and store the remarks data and a RAM2f for the input output buffer of these data areas are provided. A control device 3 to check the storing condition of these data areas and the action condition of a displaying part 8 and an operation switch 5 and control the ID card, a ROM6 for control to make the control device into a prescribed action and an I/D port 4 to connect with the external equipment are provided.