International vehicle registration code system is used for vehicles belonging to the diplomats of foreign countries with license plate from the host country. That system is host country-specific and varies largely from country to country. For example TR on a diplomatic car in the USA indicates Italian, not Turkish. Such markings in Norway are indicated with numbers only, again different from international standards (e.g. 90 means Slovakian. 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.
Vehicle registration plates of Luxembourg Vehicle registration plates of Luxembourg Vehicle registration plates in Luxembourg bear a maximum of six characters. The standard series in use today uses a format of two letters followed by four digits (e.g., XY 3456). Marks consisting of four or five digits and no letters are also issued. The numbers are issued at a national level and give no indication of regional origin. Plates have black characters on a yellow background, with the standard blue EU stripe on the left. The current usage and format of plates was enacted by parliament in June 2003. The two-letter/four-digit format follows a rather