(1) If a Part III authority imposes a rehabilitation requirement on the person or persons on whom the authority has been conferred, the authority may also specify conditions under which that requirement is taken to be satisfied in relation to the whole, or a part, of the land in the Ranger Project Area.
(2) Without limiting subsection (1), a Part III authority may specify conditions under which a rehabilitation requirement is taken to be satisfied, as mentioned in that subsection, by doing any of the following:
(a) specifying a procedure for determining when the requirement is taken to be satisfied;
(b) conferring on a person or body a function of determining, or a power to determine, when the requirement is taken to be satisfied.