Va. Code § 46.2-1002
It shall be unlawful for any person to possess with intent to sell or offer for sale, either separately or as a part of the equipment of a motor vehicle, or to use or have as equipment on a motor vehicle operated on a highway any lighting device, warning device, signal device, safety glass, or other equipment for which approval is required by any provision of this chapter or any part or parts tending to change or alter the operation of such device, glass, or other equipment unless of a type that has been submitted to and approved by the Superintendent or meets or exceeds the standards and specifications of the Society of Automotive Engineers, the American National Standards Institute, Incorporated or the federal Department of Transportation.
Va. Code § 46.2-1002