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 the Czech Republic Vehicle registration plates of the Czech Republic As of the year 2017 there are two different valid systems of vehicle registration plates in the Czech Republic. The new Czech vehicle registration plate system was introduced between 29 June 2001 and 17 July 2001. The first letter from the left represents the region (Kraj), and then there follows a combination of letters or numbers numbered upward from 1X0 0001, where X is the letter of the region. In 2009, both Prague (A) and Středočeský kraj/Central Bohemia (S) reached the combination of six 9s in their license plates and started issuing a