8(1)For the purpose of ascertaining whether underlying mines have been worked so as to damage the undertaking the acquiring authority may, after giving 24 hours notice in writing—E+W
(a)enter on any land in which the mines are, or are thought to be, being worked, and which is in or near to the land where the undertaking is situated, and
(b)enter the mines and any works connected with the mines.
(2)For the said purpose the acquiring authority may make use of any apparatus or machinery belonging to the owner of the mines, and may use all necessary means for discovering the distance from the undertaking to the parts of the mines which are, or are about to be, worked.
(3)If the owner of the mines refuses to allow a person appointed by the acquiring authority for the purpose to enter the mines or works under this paragraph he shall be liable on summary conviction to a sum not exceeding £50.