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 Italy in the progressive code For cars that were designed with the previous number plate holder (Square), or too small for a rectangular plate, the long provincial code piece was installed above the progressive code. This change resolved the plate positioning problem on cars of foreign production, eventually the rectangular European system was preferred over the squared plate holder of Italian designed cars. Vehicle registration plates of Italy Present Italian car number plates have black characters on a rectangular white background, with small blue side-fields (see European vehicle registration plates). The current numbering scheme, in use from 1994, is unrelated to