Abstract: An identification document which is linked to a person, particularly for the authentication of authorizations or qualifications of the person is provided. The identification document includes a mobile communication device which is able to show images and assigned to the person, including a display unit, an operating unit and a memory, wherein an identification dataset that is stored in the memory is assigned to data which are stored and administered in a central database, and wherein an optical recognition attribute that is assigned to the identification dataset can be displayed on the display unit of the communication device.