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 Kosovo 1999 to 2010. Effective 1 November 2011, they will resume to be issued for citizens needing to cross into Serbia, as the latter only accepts these plates and not the new RKS plates. They consist of a three-digit number and a two-letter abbreviation KS, which stands for 'Kosovo', and ended in another three-digit number. Notes: References: Vehicle registration plates of Kosovo Vehicle registration plates of Kosovo are issued by the Ministry of Internal Affairs of the Republic of Kosovo. As of June 1, 2012, all citizens of Kosovo are obliged to fit their cars with KS or RKS plates. Non-compliance