Montana Code Annotated · § 61-9-209 — Color of clearance lamps, side marker lamps, reflectors, and backup lamps

(1) Front clearance lamps and those marker lamps and reflectors mounted on the front or on the side near the front of a vehicle must display or reflect an amber color.

(2) Rear clearance lamps and those marker lamps and reflectors mounted on the rear or on the sides near the rear of a vehicle must display or reflect a red color.

(3) All lighting devices, reflectors, and stoplights mounted on the rear of a vehicle must display or reflect a red color, except:

(a) the signal devices, as defined in 61-9-218;

(b) the light illuminating the license plate that must be a white lamp; and

(c) the light emitted by a backup lamp that must be white.