D.1 Development not permitted
Development is not permitted by Class D if—
(a)it would be for the purpose of creating a new surface access or improving an existing access (which is not an active access) to underground workings; or
(b)it would be carried out on land to which the description in paragraph F.2(1)(b) applies, and a plan of that land had not been deposited with the mineral planning authority before 5th June 1989.