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 Vietnam where AB is the unit code, and 12-34 being the number. Military motorcycles receive the two-line AB/123 format, where AB is the unit code, and 123 the number. Mopeds receive an additional letter A after the number. Temporary plates are two-line plates with the T12/345.67 format, where T signifies the temporary nature of the plate, 12 being the regional code and 345.67 being the number. The provincial/municipal codes are listed here: Vehicle registration plates of Vietnam Vehicle registration plates of Vietnam generally take the form DDL-DDDDD for vehicles. Standard license plates have black characters on white background. Front plates measure