摘要 |
The invention relates to a document with an integrated display (104), having an interface (102) for receiving authorization data (118) and a signature (120) of the authorization data, having means (110) for verification of the signature, having means (108, 114) for activating the display for outputting at least a part of the authorization data, wherein said output only occurs if said signature is valid, and wherein said interface is implemented for transmitting said authorization data and said signature. |