Every department or public authority shall, when so required by the Surveyor-General by writing addressed to the proper officer thereof, provide an accurate copy of any registered plan in its possession—
(a) to the Surveyor-General or to any Commonwealth survey officer; or
(b) to any other department or public authority or to any licensed surveyor—
(i) at such charge as is provided by or under any other Act for the sale of such copy; or
(ii) (where there is no such provision) at a charge which shall not exceed the cost of preparation of such copy plus Ten per centum of such cost.
No. 4732 s. 12.