39-21-06.1. Additional lighting equipment

39-21-06.1. Additional lighting equipment 1. Any motor vehicle may be equipped with one or more backup lamps either separately or in combination with other lamps, but the backup lamp or lamps may not be lighted when the vehicle is in a forward motion. 2. Any vehicle may be equipped with one or more side marker lamps which may be flashed in conjunction with turn signals or vehicular hazard warning signals.