12.—(1) The Company may compulsorily acquire so much of the subsoil of the land referred to in paragraph (1) of article 9 above as may be required for any purpose for which that land may be acquired under that provision instead of acquiring the whole of the land.
(2) Subject to paragraph (3) below, where the Company acquires any part of the subsoil of land under paragraph (1) above the Company shall not be required to acquire an interest in any other part of the land.
(3) Paragraph (2) above shall not prevent section 8 of the 1965 Act or article 18 below from applying where the Company acquires a cellar, vault, arch or other construction forming part of a house, building or factory.