<Tr> <Th> Introduced by </Th> <Td> Secretary of State for Employment Michael Foot 22 March 1974 </Td> </Tr> <Tr> <Th> Territorial extent </Th> <Td> England and Wales, Scotland, Northern Ireland, offshore </Td> </Tr> <Tr> <Th_colspan="2"> Dates </Th> </Tr> <Tr> <Th> Royal assent </Th> <Td> 31 July 1974 </Td> </Tr>

Who and what according to the health and safety at work etc act are