Louisiana Revised Statutes Tit. 32, § 314. Lamps on parked vehicles

A. Every vehicle shall be equipped with one or more lamps which, when lighted, shall display a white or amber light visible from a distance of 1,000 feet to the front of the vehicle, and a red light visible from a distance of 1,000 feet to the rear of the vehicle. The location of said lamp or lamps shall always be such that at least one lamp or combination of lamps meeting the requirements of this section is installed as near as practicable to the side of the vehicle which is closest to passing traffic.

B. Whenever a vehicle is lawfully parked upon a street or highway during the hours between a half hour after sunset and a half hour before sunrise and in the event there is sufficient light to reveal persons and vehicles within a distance of 1,000 feet upon such street or highway, no lights need be displayed upon such parked vehicle.

C. Whenever a vehicle is parked or stopped upon a roadway or shoulder adjacent thereto, whether attended or unattended, during the hours between a half hour after sunset and a half hour before sunrise and there is insufficient light to reveal any person or object within a distance of 1,000 feet upon such highway, such vehicle so parked or stopped shall be equipped with and shall display lamps meeting the requirements of Subsection A.

D. Any lighted head lamps upon a parked vehicle shall be depressed or dimmed.

E. When the parking lamps are activated, the tail lamps, license plate lamps, and side marker lamps shall also be activated.

F. The foregoing provisions shall not apply to motorcycles or motor driven cycles.