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 Australia 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 they become unreadable (or for other reasons) they may be recalled or replaced with newer ones. From the 1970s until the late 1990s, most Australian plates were of the form xxx·xxx (with x being either letters or numbers)—for example, aaa·nnn in Victoria, New South Wales, South Australia and the