6(1)Without prejudice to any power exercisable by virtue of a warrant under this Part of this Schedule, no person shall make an entry into any premises by virtue of any right or power to which this Part of this Schedule applies except—E+W
(a)in an emergency; or
(b)at a reasonable time and after the required notice of the intended entry has been given to the occupier of the premises.
(2)For the purposes of this paragraph the required notice is—
(a)in the case of the rights and powers conferred by virtue of any of sections 74(4), 84(2) and (3), 86(4) and 170(1)(c) and (3) of this Act, twenty-four hours’ notice; and
(b)in any other case, seven days’ notice.
(3)For the purposes of the application of this Part of this Schedule to any right or power conferred by section 168 of this Act the reference in sub-paragraph (1) above to an emergency—
(a)in relation to any entry to premises for the purposes of, or for purposes connected with, the exercise or proposed exercise of any power in relation to a street, includes a reference to any circumstances requiring the carrying out of emergency works within the meaning of Part III of the M1New Roads and Street Works Act 1991; and
(b)in relation to any other entry to premises, includes a reference to any danger to property and to any interruption of a supply of water provided to any premises by any person and to any interruption of the provision of sewerage services to any premises.
(4)Until the coming into force of section 52 of the New Roads and Street Works Act 1991, sub-paragraph (3)(a) above shall have effect as if the reference to Part III of that Act were a reference to the M2Public Utilities Street Works Act 1950; but nothing in this sub-paragraph shall be taken to prejudice the power of the Secretary of State under that Act of 1991 to make an order bringing that section 52 into force on different days for different purposes (including the purposes of this paragraph).
(5)For the purposes of the application of this Part of this Schedule to the rights and other powers conferred by section 172 of this Act sub-paragraph (1) above shall have effect as if the power in an emergency to make an entry to any premises otherwise than at a reasonable time and after the required notice were omitted.