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 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 47 × 11 cm, rear ones are 27 × 20. The current scheme for civilian vehicles omits the letters I, J, O, Q and W, with the letter R reserved for trailers, and includes the Vietnamese Đ. In French Indochina, license plates were white-on-black on XXX1111 type, XXX is location code. 1111 can be anything (serial numbers). Vietnamese plates in 1978–1984 were white-on-black and similar to previous one, but had 4