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 Gibraltar Vehicle registration plates of Gibraltar The vehicle registration plates of Gibraltar are similar to those of the United Kingdom, with the same colours and typeface, which conform to 1998 European standard design. The international vehicle registration code for Gibraltar is GBZ (Great Britain and Northern GBG is used for Guernsey. Number plates in Gibraltar have the same measurements as those in the UK: From 1912 to 2001 Gibraltar number plates consisted of the letter 'G' (for Gibraltar) followed by a series of digits issued in numerical order. The maximum number of digits was five, so the first registration plate should