(1) Subject to section 133 (Applications for internal review), an approval of an application under section 21 takes effect on the date stated in the notice of decision.
(2) The date stated in the notice must be at least 14 working days after the day the notice is given to the applicant.
(3) Unless cancelled sooner, the approval remains in force for the period stated in the approval.
(4) The decision-maker may, in writing, extend the approval for a stated period if satisfied that the approved activity still satisfies the approval criteria.
(5) The approval may be extended under subsection (4) even if it has already ended.