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 to registration information based on the numberplate via in-car computer systems found in all police vehicles, registration stickers in Western Australia have been completely scrapped. As of 1 January 2010 they will no longer be required or made - a move that is said to save at least $2 million over 4 years in costs for printing and postage. Car owners will also feel the relief of not having to perform the tedious task of removing and re-applying the registration sticker every 6–12 months. As of 1 January 2013 NSW have also scrapped registration stickers. NT also scrapped registration stickers