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 Thailand Ministry of Transport regulations. Current style started in 1975 for most vehicle types, but with small changes in 1997, and 1997 for motorcycles. All license plates are rectangular, with variations in size and color according to the class of the vehicle. Most plates prominently display the vehicle registration ID, which usually consists of Thai letters and a number string. The province of registration is shown below the ID. The letters are embossed, and all plates must also be embossed with a seal bearing the letters "ขส". The current designs are regulated by the notification of the Department of Land Transport