83.—(1) This regulation applies to every vehicle to which regulation 41 or 42 applies and which is fitted with a speed limiter.
(2) Every vehicle to which this regulation applies shall be equipped with a plate which meets the requirements specified in paragraph (3).
(3) Subject to regulation 43(8), the requirements are that the plate is in a conspicuous position in the driving compartment of the vehicle and is clearly and indelibly marked with the speed at which the speed limiter has been set.