79—Changing headlights from high-beam to low-beam position
(1) A motor vehicle built after 1934 that can travel at over 60 kilometres an hour must be fitted with—
(a) a dipping device enabling the driver in the normal driving position—
(i) to change the headlights from the high-beam position to the low-beam position; or
(ii) simultaneously to switch off a high-beam headlight and switch on a low-beam headlight; and
(b) for a vehicle built after June 1953—a device to indicate to the driver that the headlights are in the high-beam position.
(2) A headlight fitted to a vehicle not fitted with a dipping device mentioned in subrule (1)(a) must operate in the low-beam position.
(3) When a headlight fitted to a vehicle is switched to the low-beam position, any other headlight on the vehicle must operate only in the low-beam position or be off.