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
Land registration and Wales under the Land Registration Act 1862, a register having operated for the county of Middlesex (excluding the City of London) since 1709. This voluntary national system proved ineffective and, following further attempts in 1875 and 1897, the present system was brought into force by the Land Registration Act 1925. It is operated by "HM Land Registry". Over time various areas of the country were designated areas of compulsory registration by order so in different parts of the country compulsory registration has been around longer than in others. The last order was made in 1990, so now virtually all