(1) This rule applies to a motor vehicle if—
(a) the vehicle is not fitted with a brake light or direction indicator light mentioned in Division 10 or Division 12; and
(b) the construction of the vehicle would otherwise prevent the driver from hand signalling an intention—
(i) to turn or move the vehicle to the right; or
(ii) to stop or suddenly reduce the speed of the vehicle.
(2) The vehicle must be fitted with a mechanical signalling device or a pair of turn signals.