Inspection and observation of works etc
4(1)Any person duly authorised in writing by the Commission may at any reasonable time enter land on which (or in or under which) a scheduled monument is situated—
(a)for the purpose of observing or advising upon the exercise in relation to the land of any of the powers under paragraph 1 of Schedule 2 to this Act, or
(b)for the purpose of inspecting, observing or advising upon the carrying out of any works on the land in exercise of any of the other powers under this Act.
(2)The right under sub-paragraph (1) is not exercisable at a time when the nominated undertaker reasonably considers that it is not safe to exercise it.
(3)A person exercising the right under sub-paragraph (1) must comply with directions given by the nominated undertaker for the purpose of securing compliance with relevant health and safety provisions.
(4)In this paragraph, “scheduled monument” has the same meaning as in the Ancient Monuments and Archaeological Areas Act 1979.