ORS 816.090: Registration plate lights.

Each of the following is a requirement for registration plate lights as described:

      (1) A registration plate light shall be so constructed and placed as to illuminate the rear registration plate of the vehicle.

      (2) A registration plate light may either be constructed as a separate light or as part of a taillight.

      (3) A registration plate light shall show a white light.

      (4) A registration plate light shall render the rear registration plate clearly legible from a distance of 50 feet to the rear.

      (5) A registration plate light shall be wired so as to be lighted whenever the headlights or auxiliary lights are lighted.