Miss. Code § 63-7-41
No person shall have for sale, sell or offer for sale for use upon or as a part of the equipment of a motor vehicle, trailer or semitrailer or use upon any such vehicle any head lamp, auxiliary driving lamp, rear lamp, signal lamp or reflector which reflector is required hereunder, or parts of any of the foregoing, which tend to change the original design or performance, unless of a type which has been submitted to the department of public safety and approved by it.
No person shall have for sale, sell or offer for sale for use upon or as part of the equipment of a motor vehicle, trailer or semitrailer any lamp or device mentioned in this section which has been approved by the department unless such lamp or device bears thereon the trademark or name under which it is approved so as to be legible when installed.
No person shall use upon any motor vehicle, trailer or semitrailer any lamps mentioned in this section unless said lamps are mounted, adjusted and aimed in accordance with instructions of the department.
Miss. Code § 63-7-41