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 plates of the United Kingdom Vehicle registration plates of the United Kingdom Vehicle registration plates are the mandatory alphanumeric plates used to display the "registration mark" of a vehicle, and have existed in the United Kingdom since 1903. It is compulsory for motor vehicles used on public roads to display vehicle registration plates, with the exception of vehicles of the reigning monarch used on official business. The Motor Car Act 1903, which came into force on 1 January 1904, required all motor vehicles to be entered on an official vehicle register, and to carry alphanumeric plates. The Act was passed in order that vehicles could