The Three-Wheeled All-Terrain Motor Vehicles (Safety)Regulations 1988
These Regulations prohibit the supply of any vehicle which has three wheels, is propelled by an internal combustion engine and is designed or constructed primarily for use in leisure activities on all types of land surface or all types of land surface other than highways or roads to which the public has access except for vehicles for disabled persons and any two-wheeled motor cycle with a side-car. The Regulations come into force on the 7th December 1988 for a period of twelve months.