78—Effective range of headlights
(1) This rule applies to a headlight that is on at night.
(2) A low-beam headlight must illuminate the road ahead of the vehicle for at least 25 metres.
(3) A high-beam headlight must illuminate the road ahead of the vehicle for at least 50 metres.
(4) However, a low-beam headlight fitted to a motor vehicle built before 1931, or a moped, need only illuminate the road ahead of the vehicle for 12 metres.