3.—(1) This Regulation applies to ignition apparatus forming part of an internal combustion engine other than an engine which forms part of an aircraft.
(2) The requirement referred to in Regulation 5 shall be complied with in the case of any ignition apparatus to which this Regulation applies if, on or after the date on which these Regulations come into operation, that apparatus is, as being part of a vehicle, vessel or engine, to be sold otherwise than for export, or offered or advertised for sale otherwise than for export, or let on hire or offered or advertised for letting on hire, by any person who in the British Islands in the course of business assembles such apparatus as part of a vehicle, vessel or engine, or who in the course of business imports into the British Islands such apparatus already assembled as part of a vehicle, vessel or engine.