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 Bhutan Vehicle registration plates of Bhutan Vehicle license plates in Bhutan are issued and regulated by the Road Safety and Transport Authority of The Royal Government of Bhutan. Until 1990, vehicle registration plates had a group of three letters on the left, indicating the region and class of registration, followed by 4 digit numeric value. For example, BWP 1001 signified, Western region, Private vehicle with number 1001. Now however, this scheme has been discontinued for the newer licensing scheme launched in 1990. The current format is XX-N-X0000, where, The current license plate for private vehicles in Bhutan is composed of letters