71. (1) An authorised officer may, subject to this section, do whatever he or she has reasonable grounds for believing to be necessary to implement an abatement notice after the expiration of the compliance period specified under paragraph 69 (3) (b) (as extended, if at all, under section 70).
(2) An authorised officer shall only implement an abatement notice under subsection (1) if he or she has reasonable grounds for believing that it is necessary to do so to avert an imminent and serious risk to public health.
(3) For the purpose of implementing an abatement notice under subsection (1), an authorised officer may, using such reasonable force and assistance as is necessary—
(a) enter a place to which the notice relates at any reasonable time; or
(b) enter a place to which the notice relates at any time, if the officer has reasonable grounds for believing that the circumstances are of such seriousness or urgency as to require such immediate entry.
(4) An authorised officer who enters a place pursuant to subsection (3) is not entitled to remain there if, on request by the occupier, the authorised officer does not produce his or her identity card, and, unless the authorised officer is the Chief Health Officer, his or her authorisation, to the occupier.
(5) Any costs or expenses incurred by the Territory in implementing, or attempting to implement, an abatement notice under this section are a debt due to the Territory by the person to whom the notice was issued.