(1)Any person authorised by the Secretary of State in that behalf shall have power at all reasonable times to enter on, inspect and survey any land for the purpose of determining whether, and if so in what manner, any of the powers conferred on the Secretary of State by this Act are to be exercised in relation to that or any other land, or whether, and if so in what manner, any requirement given under any such power has been complied with.
(2)Any person authorised as aforesaid who proposes to exercise any power of entry, inspection or survey conferred by the foregoing subsection shall if so required produce some duly authenticated document showing his authority to exercise such power.
(3)Admission to any land shall not be demanded as of right in the exercise of any such power as aforesaid unless fourteen days' notice of the intended entry has been given to the occupier of the land.
(4)If any person obstructs any person authorised by the Secretary of State in the exercise of any such power as aforesaid, he shall be guilty of an offence and shall be liable on summary conviction to a fine not exceeding five pounds in the case of a first conviction or twenty pounds in the case of a second or any subsequent conviction.