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 Australia organisations in the Territory. These plates are also coloured black on powder blue, and follow a format of IO nnnn. All states have abolished registration labels for light vehicles: Registration labels for heavy vehicles GVM 14.5 or more have or are soon to be abolished: Custom Plates Issuing Authorities Vehicle registration plates of Australia Australian vehicle registration plates or number plates are issued by state, territory, and Commonwealth governments, and the armed forces of Australia. The plates are associated with a vehicle and are generally intended to last for the time the vehicle remains registered in the state, though as