[F139B—(1) Subject to paragraph (2), every fuel tank fitted to a vehicle to which regulation 39A applies shall be so constructed and fitted that it cannot readily be filled from a petrol pump delivery nozzle which has an external diameter of 23.6mm or greater without the aid of a device (such as a funnel) not fitted to the vehicle.E+W+S
(2) Paragraph (1) does not apply to a vehicle in respect of which both of the following conditions are satisfied, that is to say —
(a)that at the time of its first use the vehicle is so designed and constructed that prolonged continuous running on leaded petrol would not cause any device designed to control the emission of carbon monoxide, hydrocarbons or nitrogen oxides to malfunction, and
(b)that it is conspicuously and legibly marked in a position immediately visible to a person filling the fuel tank with —
(i)the word “UNLEADED”, or
(ii)the symbol shown in Part II of Schedule 3A.
(3) In this regulation “fuel tank”, in relation to a vehicle, means a fuel tank used in connection with the propulsion of the vehicle.]