(b) deposited in the office of the Director-General and the office of the Chief Surveyor of every land district in which any part of the park is situated.(2) Where any land is added to or excluded from any national park,specially protected area, wilderness area, or amenities area, the appropriate Chief Surveyor shall ensure that the plans required by subsection (1) are altered, replaced, or removed as the case may require.(3) Every plan and every alteration to any plan shall be certified by the appropriate Chief Surveyor. (4) The Chief Surveyor shall supply to any person applying for it a copy of any plan required by subsection (1) to be available in his office for public inspection. (5) Every plan of a national park or specially protected area wilderness area, or amenities area certified by a Chief Sur-veyor, and every certified copy of any such plan shall, in the absence of proof to the contrary, be sufficient evidence of the boundaries and area comprising that national park, specially protected area, wilderness area, or amenities area.