2(1)The nominated undertaker shall not carry out any decontrolled works consisting of the demolition of a building unless—
(a)notice of the proposal to carry out the works has been given to the Commission, and
(b)the appropriate period since the giving of the notice has elapsed.
(2)Subject to sub-paragraph (3), the appropriate period for the purposes of sub-paragraph (1)(b) is 8 weeks or such longer period as may have been agreed between the nominated undertaker and the Commission.
(3)In case of emergency, the appropriate period for the purposes of sub-paragraph (1)(b) is such period as is reasonable in the circumstances.
(4)In determining whether the appropriate period for the purposes of sub-paragraph (1)(b) has elapsed, there shall be disregarded any day on which entry to the building is refused under paragraph 3(2).
(5)In this paragraph, “decontrolled works” means works to which section 7 of the Planning (Listed Buildings and Conservation Areas) Act 1990 would apply, but for paragraph 1(1)(a) or (3) of Schedule 9 to this Act.