(1)  This regulation applies to a light motor vehicle if –

(a) it is not fitted with –

(i) a brake light as specified in Division 10 ; or

(ii) a direction indicator light as specified in Division 12 ; or

(iii) either a brake light or a direction indicator light as so specified; and

(b) the construction of the vehicle prevents 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)  A light motor vehicle specified in subregulation (1) must be fitted with a mechanical signalling device in accordance with regulation 105 or, if the vehicle is only lacking direction indicator lights, a pair of turn signals in accordance with regulation 106 .