Current style registrations consist of seven characters. Two letters then two numbers that determine the vehicle age, then three letters, e.g. AB02 ABC. These were bought into issue for new vehicles when the prefix style expired on the Y series. The DVLA issue two series of these a year for vehicles registered in March and September, and the issuing series will run until the year 2049! Some examples of current style plates are: ST08 ART, EA57 TER, CO57 UME.