Vehicle registration plates of Mexico Vehicle registration plates of Mexico Vehicle registration plates of Mexico are issued with unique visual designs by each state, but with a single national numbering system, such that serials are not duplicated in multiple states. Most states change designs approximately every three years, with each state having its own plate replacement cycle. Every year, owners of Mexican-registered vehicles pay the "tenencia" or "revalidación de placas" (car plates renewal tax). A set of Mexican plates includes one pair of plates, a windshield sticker, and in some states a plate sticker. The international code for Mexico is "MEX". In 2001 the size
Vehicle registration plates of Estonia Vehicle registration plates of Estonia Vehicle registration plates of Estonia are divided into 18 categories, the most common of these (A1) is composed of three numbers and three letters (e.g. 123 ABC). Most registration plate types have black letters on a white background, and the plates are the same size and length as other European plates (520 × 113 mm). Previously the first of the three letters indicated the region of Estonia in which the car was registered; however, as of 2013, this is no longer the case. The third digit from the numbers indicated states when the car is