(1) If a rehabilitation authority is in force in relation to an area of land, the person or persons on whom the authority has been conferred may (subject to any conditions or restrictions specified in the authority and any requirements imposed by the authority):
(a) carry on, upon or under that land, any operations authorized by the authority; and
(b) do a thing referred to in paragraph 41(2)(a), (b), (e), (ea) or (f) in relation to that land; and
(c) for the purposes of operations authorized by the authority, do a thing referred to in subparagraph 41(2)(d)(i), (ii), (iii) or (iv) in relation to that land; and
(d) do anything necessary or convenient for the effectual exercise of a power referred to in paragraph (a), (b) or (c) of this subsection.
(2) To avoid doubt, conditions or restrictions specified in the authority, or requirements imposed by the authority, may have the effect of prohibiting the person or persons from doing a thing referred to in a paragraph in subsection (1).