(1) In this section--
"relevant notice" means--(a) a bush fire hazard reduction notice, or(b) if a bush fire hazard reduction notice is the subject of an objection or appeal, a notice under section 67 (4) or 68 (4), respectively.
(2) If within the time specified in the relevant notice the owner or occupier to whom it is given fails to comply with any requirement of the notice, the Commissioner may, without prejudice to the liability of the owner or occupier, enter on the land and carry out the bush fire hazard reduction work the owner or occupier was required to do under the notice.
(3) Any costs incurred by the Commissioner in carrying out such work (including costs incurred in obtaining the approval of any local or public authority under any other law to carry out the work) may be recovered from the owner or occupier of the land as a debt due to the Crown in a court of competent jurisdiction.