UK Govt, The Motor Cycles ( Protective Helmets… (1946)
“ Section 42 of the Road Traffic Act, 1956, makes it an offence for any person to sell or hire or offer to sell or hire any helmet as a helmet affording protection to motor cyclists in the event of accident which is neither of a type prescribed nor of a type authorised under Regulations made by the Minister of Transport and Civil Aviation as being a helmet recommended as affording such protection. ”
