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 Botswana Vehicle registration plates of Botswana Vehicle registration plates of Botswana for normal motor vehicles begin with the letter "B", followed by three numbers, followed by three letters. The digits and letters are assigned by a registrar. The three letters will never include the letter Q in order to avoid confusion with the letter O. The front number plates have black lettering on a white reflective background. The rear number plates have black lettering on a yellow reflective background. Public passenger number plates have blue lettering on a white reflective background in the front and white lettering on blue background at