These Regulations contain a repeal of section 1(1) of the Ministry of Fuel and Power Act 1945, so far as it relates to maintaining and improving the safety, health and welfare of persons employed in or about mines and quarries in Great Britain, made in consequence of the establishment of the Health and Safety Executive on 1st January 1975 and the coming into operation of provisions of the Health and Safety at Work etc. Act 1974 which supersede the repealed provision.