54. Unroadworthy vehicles.

It is an offence for an auctioneer1 to sell or supply, or to offer to sell or supply, or to expose for sale unroadworthy vehicles2. An auctioneer may not be convicted of an offence in respect of the supply of a motor vehicle or trailer if he proves that it was supplied or altered, as the case may be, for export from Great Britain, or that he had reasonable cause to believe that the vehicle or trailer would not be used on a road in Great Britain or would not be so used until it had been put into