Abstract: An improved annual license plate tab affixed to a license plate designed to inform law enforcement personnel if the annual motor vehicle registration period has expired. The tab includes a built-in microchip that store a unique motor vehicle identification code associate with the motor vehicle. The tab includes a transmitter that is activated and transmits the motor vehicle identification code to a wireless receiver operated nearby by law enforcement personnel. The body may also include a bar code or other identification means which enable the law enforcement personnel to quickly access the information. Also disclosed herein is a method of determining the validity of the registration using the above described tab.