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 Switzerland the international organisation 035. The number 79 is a sequence number within the same organisation. The first numbers of the serial number are reserved for the head of the agency or organization and his deputies. The second numbers of the serial number are the country of registration: Vehicle registration plates of Switzerland Swiss car number plates consist of a two letter code for the canton followed by up to 6 numerical digits. The rear plates also contain small shields representing the flags of Switzerland and the canton. For official vehicles, the two letter code is replaced by a one letter