the present invention relates to a method for utilizing a mobile station for the transmission of authorization information requiring verification in a telecommunication network comprising the mobile station . in the method , the information to be verified is transmitted to the mobile station , the authorization information transmitted is presented on the display of the mobile station , the authorization information presented is read from the display of the mobile station , and the authenticity of the authorization information thus read is verified . according to the invention , the authorization information is sent in a form comprising information to be presented in a graphic form , and the authorization information is presented on the display of the mobile station using a user - independent function of the mobile station in question for the presentation of graphic information .