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 the Czech Republic Vehicle registration plates of the Czech Republic As of the year 2017 there are two different valid systems of vehicle registration plates in the Czech Republic. The new Czech vehicle registration plate system was introduced between 29 June 2001 and 17 July 2001. The first letter from the left represents the region (Kraj), and then there follows a combination of letters or numbers numbered upward from 1X0 0001, where X is the letter of the region. In 2009, both Prague (A) and Středočeský kraj/Central Bohemia (S) reached the combination of six 9s in their license plates and started issuing a