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 Chile provides information of where the vehicle was registered. Vehicle registration plates of Chile Chile requires its residents to register their motor vehicles and display vehicle registration plates called "patentes". Formerly, it consisted of two letters followed by four numbers in the format AB*12•34, but combinations were exhausted in September 2007. The system adopted to replace the old one consists of four letters followed by two numbers in the format AB•CD*12. Vowels are not used in order to prevent profanity, and the letter Q is not used because of confusion with the number 0. The same coding system is used in