Vehicle registration plates of the Channel Islands Vehicle registration plates of the Channel Islands Vehicle registration plates, commonly referred to as number plates, are the mandatory numeric or alphanumeric plates used to display the registration mark of a vehicle. The Crown dependencies of Guernsey and Jersey are outside the United Kingdom and the European Union, and have registration marks that are different from those used in the UK. Jersey registration plates consist of the letter 'J' followed by one to six digits; plates may now incorporate the coat of arms of Jersey in a white strip on the left, along with the country identifier GBJ (Great Britain
International vehicle registration code International vehicle registration code The country in which a motor vehicle's vehicle registration plate was issued may be indicated by an international licence plate country code, formerly known as an International Registration Letter or International Circulation Mark. The sign must be displayed on the rear of the vehicle. The sign may either be placed separately from the registration plate, or be incorporated into the vehicle registration plate. The allocation of codes is maintained by the United Nations Economic Commission for Europe as the "Distinguishing Signs Used on Vehicles in International Traffic" (sometimes abbreviated to DSIT), authorised by the UN's Geneva