Sch 1 para 4
(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (2) Where any application for planning permission or permission in principle , for a certificate under section 191 or 192 or for consent to the display of advertisements under section 220, relating in each case to land in a National Park or an application so relating for approval of a matter reserved under an outline planning permission within the meaning of section 92 falls to be determined by a National Park authority . . ., that authority shall before determining it consult with any authority which (but for section 4A) would be . . . the district planning authority for the area in which the land to which the application relates is situated.