14.—(1) The provision on land of buildings, moveable structures, works, plant or machinery required temporarily in connection with and for the duration of operations being or to be carried out on, in, under or over that land or on land adjoining that land.
(2) Development is not permitted by this class if—
(a)the operations being or to be carried out are mining operations; or
(b)planning permission is required for these operations but has not been granted or deemed to be granted.
(3) Development is permitted by this class subject to the conditions that, when the operations have been carried out—
(a)any building, structure, works, plant or machinery permitted by this Class shall be removed; and
(b)any adjoining land on which development permitted by this Class has been carried out shall as soon as reasonably practicable, be reinstated to its condition before that development was carried out.
15. The use of land (other than a building or land within the curtilage of a building) for any purpose, except as a caravan site or an open air market, on not more than 28 days in total in any calendar year, and the erection or placing of moveable structures on the land for the purposes of that use.