International vehicle registration code registration plate. When the distinguishing sign is incorporated in the registration plate, it must also appear on the front registration plate of the vehicle. The requirement to display a separate distinguishing sign is not necessary within the European Economic Area, for vehicles with license plates in the common EU format which satisfy the requirements of the Vienna Convention, and so are also valid in non-EU countries signatory to the convention. Separate signs are also not needed for Canada, Mexico and the United States, where the province, state or district of registration is usually embossed or surface-printed on the vehicle registration
Vehicle registration plate of the member state in which the vehicle was registered. Lettering on the plate must be black on a white or yellow reflective background. According to the Vienna Convention on Road Traffic, vehicles in cross-border traffic are obliged to display a distinguishing sign of the country of registration on the rear of the vehicle. This sign may either be placed separately from the registration plate or may be incorporated into the vehicle registration plate. With registration plates in the common EU format, vehicles registered in the EU are no longer required to carry an international code plate or sticker for