Vehicle registration plates of the Republic of Ireland Vehicle registration plates of the Republic of Ireland In the Republic of Ireland, vehicle registration plates (commonly known as "number plates") are the visual indications of motor vehicle registration – officially termed "index marks" – which it has been mandatory since 1903 to display on most motor vehicles used on public roads in Ireland. The alphanumeric marks (or "registration numbers") themselves were issued by the local authority in which a vehicle is first registered. The current specification for number plates is the format YYY–CC–SSSSSS. Those issued from 1987 to 2012 had the format YY–CC–SSSSSS. The components are: Since 1991, the
Vehicle registration plates of New Zealand new "LnnnL" format launched later that year. Before 1925 vehicle registration took place on a regional rather than on a country-wide basis. Vehicles displayed their registration numbers on the right-hand side of the vehicle, often painted on. From 1925, the authorities issued steel plates to vehicle-owners annually. The first plates were United States-made green with white numbers prefixed with NZ (nnn-nnn). The 1926/27 year was black with white numbers with the following plates black with orange numbers (nnn*nnn). This system changed when steel supplies became limited during World War II: from 1941 plates remained valid for 5 years. The issue