425. Crown land.

A national park may include Crown land1 and, with the consent of the appropriate authority2, the statutory powers as to national parks3 may be exercised as respects any interest in Crown land4. Where a national park includes any Crown land, the appropriate authority and the local planning authority5 for the area in which the land is situated may enter into an agreement for securing that it will be managed in such a manner as to conserve and enhance its natural beauty, wildlife and cultural heritage or to promote opportunities for the understanding and enjoyment of the special qualities of