s 9 What is subterranean space reasonably necessary for use and enjoyment of surface earth
9.—(1) To avoid doubt, it is declared that for all purposes, any land includes only so much of the subterranean space as is reasonably necessary for the use and enjoyment of the land, being —(a) the depth of subterranean space that is specified in the State title for that land; or (b) if no such depth is specified, subterranean space to ‑30.000 metres from the Singapore Height Datum.[11/2015] (2) To avoid doubt, nothing in this section derogates from —(a) any reservation, by or under this Act or other written law, in favour of the State —(i) to all mines and minerals, mineral oil, natural gas, stone, clay, sand, gravel, and other natural deposits; or (ii) to enter upon any land and to search for and take any minerals, mineral oil, natural gas, stone, clay, sand, gravel, and other natural deposits which may be found in or below the land; (b) any condition implied (by or under this Act or other written law) in any State title for any land with respect to opening of or working any mines or quarries, or digging for minerals, mineral oil, natural gas, stone, laterite, clay, sand, gravel, and other natural deposits; or (c) any rule of law or written law relating to ownership of any column of space above any defined parcel of the surface of the earth.[11/2015] (3) Any reference in any written law other than this Act to so much of the subterranean space below any land as is reasonably necessary for the use and enjoyment of the land is a reference to —(a) the depth of subterranean space that is specified in the State title for that land; or (b) if no such depth is specified, subterranean space to ‑30.000 metres from the Singapore Height Datum.[3B [11/2015]