(a) Any motor vehicle designed to carry passengers, owned or leased by the state of West Virginia, or any of its departments, bureaus, commissions, or institutions, except vehicles used by the Governor, Treasurer, not to exceed 8 vehicles operated by investigators of the Office of the Attorney General, three vehicles per elected office of the Board of Public Works not otherwise specified, vehicles operated by the State Police, not to exceed five vehicles operated by the office of the Secretary of Military Affairs and Public Safety, not to exceed five vehicles operated by the Division of Homeland Security and Emergency Management, vehicles operated by natural resources police officers of the Division of Natural Resources, not to exceed 10 vehicles operated by the arson investigators of the Office of State Fire Marshal, not to exceed two vehicles operated by the Division of Protective Services, not to exceed 16 vehicles operated by inspectors of the Office of the Alcohol Beverage Control Commissioner, vehicles operated by the West Virginia Wing of the Civil Air Patrol, and vehicles operated by probation officers employed under the Supreme Court of Appeals may not be operated or driven by any person unless it has displayed and attached to the front thereof, in the same manner as regular motor vehicle registration plates are attached, a plate of the same size as the regular registration plate, with white lettering on a green background bearing the words "West Virginia" in one line and the words "State Car" in another line, and the lettering for the words "State Car" shall be of sufficient size to be plainly readable from a distance of 100 feet during daylight: Provided, That beginning January 1, 2019, state vehicle license plates shall be gold with blue lettering. The vehicle shall also have attached to the rear a plate bearing a number and any other words and figures as the Commissioner of Motor Vehicles shall prescribe. The rear plate shall also be green with the number in white: Provided, That beginning January 1, 2019, state vehicle license plates shall be gold with blue lettering.