Rule 83
On all journeys, the rider and pillion passenger on a motorcycle, scooter or moped MUST wear a protective helmet. This does not apply to a follower of the Sikh religion while wearing a turban. Helmets MUST comply with the Regulations and they MUST be fastened securely. Riders and passengers of motor tricycles and quadricycles, also called quadbikes, should also wear a protective helmet. Before each journey check that your helmet visor is clean and in good condition. Laws RTA 1988 sects 16 & 17 , & MC(PH)R as amended reg 4