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 Iceland Vehicle registration plates of Iceland Vehicle registration plates in Iceland are issued by the Icelandic Transport Authority and are made in the state penitentiary. The plates are made of aluminium with reflective base and embossed characters. The current registration system uses three letters and two digits or two letters and three digits in Helvetica Neue. The plates are issued randomly, they are not issued sequentially and they do not have any geographic coding. There are no special letters or number series for special vehicle types (this may vary depending on type of plates, see chart below.) The registration system was