3(1)Parts II and III of Schedule 2 to the [1981 c. 67.] Acquisition of Land Act 1981 (exception of mines and minerals from compulsory purchase and regulation of the working of mines and minerals underlying an authorised undertaking) shall apply in relation to land within the limits of land to be acquired as if it were comprised in a compulsory purchase order providing for the incorporation with the order of those Parts of that Schedule.
(2)For the purposes of Part III of that Schedule as it applies by virtue of sub-paragraph (1) above, paragraph 1(3) of that Schedule (meaning of underlying) shall have effect as if the prescribed distance in relation to any mines or minerals lying under land near any of the works authorised by this Act were the greater of—
(a)such lateral distance from those works on every side as is equal at every point along those works to one-half of the depth of the mines or minerals below the natural surface of the ground at that point, and
(b)40 metres.