Health and Safety at Work etc Act 1974 (c. 37)
4(1)The Secretary of State may by order exempt a contractor, in relation to relevant premises or activities carried on by a contractor at relevant premises, from any of the following—
(a)sections 21 to 25 of the Health and Safety at Work etc Act 1974;
(b)any other provision of Part 1 of that Act;
(c)any provision of regulations made under that Part.
(2)But an exemption may be conferred by virtue of sub-paragraph (1)(b) or (c) only if, and to the extent that, it appears to the Secretary of State necessary or expedient to do so in the interests of the safety of the State.
(3)An exemption conferred by virtue of sub-paragraph (1)—
(a)may have effect generally or only in particular respects;
(b)may be expressed as having effect in relation to premises for the time being specified in the order.