Cancellation of enforcement notice

77.(1) Where the Commissioner considers that all or any of the provisions of an enforcement notice need not be complied with in order to ensure compliance with this Act, he may cancel or vary the enforcement notice by written notice to the person on whom it was served.

(2) A person on whom an enforcement notice has been served may, at any time after the expiry of the period during which an appeal can be brought against that enforcement notice, apply in writing to the Commissioner for the cancellation or variation of the notice on the ground that, by reason of a change of circumstances, all or any of the provisions of the notice need not be complied with in order to ensure compliance with the provisions of this Act to which the notice relates.