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

(a) has 4 or more wheels; and

(b) was built after 1972.

(2)  This regulation does not apply to a tyre if it –

(a) is recommended by the vehicle's builder as suitable for limited use on the vehicle in special circumstances at a speed less than the speed applying to the vehicle under subregulation (3) ; or

(b) is being used in an emergency as a temporary replacement for a tyre complying with this regulation.

(3)  A tyre fitted to a light motor vehicle must, when first manufactured, have been rated by the tyre manufacturer as suitable for road use at the lesser of –

(a) a speed of at least –

(i) for a car with special features for off-road use, 140 kilometres per hour; or

(ii) for another car, 180 kilometres per hour; or

(iii) for another motor vehicle, 120 kilometres per hour; and

(b) the vehicle's top speed.

Example for paragraph (a)(i):

a 4-wheel-drive vehicle

(4)  This regulation applies to a light motor vehicle instead of the tyre speed category requirements in the relevant ADR.