What is the EU Community Haulage Licence (Gemeinschaftslizenz) under Regulation (EC) No 1072/2009, and what document MUST be carried on board the vehicle during international transport?

1. A licence issued by the competent national authority (e.g. Austrian Bezirkshauptmannschaft / Magistrat); a certified true copy (Beglaubigte Abschrift) must be kept on board each vehicle and presented during inspections
2. The original licence certificate must always be kept inside the truck cabin
3. A simple photocopy made on an office copier is sufficient
4. A digital screenshot on the driver's personal smartphone