In order to check the authorization of passengers, the following steps are performed:;storing of authorization data, for example of tickets, in an electronic storage area of a portable personal identification module (40) of the user, for example in a chip-card,;storing of identification data that are specific to the user's outer appearance in an electronic storage area of the personal identification module (40),;contactless transmission of said identification and authorization data in a portable authorization-checking device (90),;visual reproduction of said identification and authorization data with a VRD (Virtual Retina Display).
