6SSubject to paragraph 7, on the adoption or approval of a local plan under section 17 or 19 so much of any old development plan as relates to the area to which the local plan relates shall cease to have effect.
6SSubject to paragraph 7, on the adoption or approval of a local plan under section 17 or 19 so much of any old development plan as relates to the area to which the local plan relates shall cease to have effect.