Noxious Weeds Act 1993 No 11
18 Local control authority may require owners or occupiers of land (other than public authorities or other local control authorities) to control noxious weeds
(1) A local control authority may, by notice (a weed control notice) given to an owner or occupier of land, require the owner or occupier to carry out any of the occupier’s obligations to control noxious weeds on that land as required under a weed control order.(2) The notice may specify the time (not being less than 14 days) within which action is to be taken.(3) A notice (an emergency weed control notice) may require compliance within a shorter time (not being less than 24 hours) if the notice relates to obligations under an emergency weed control order.(4) The local control authority may give a weed control notice only if satisfied that an occupier has failed to carry out any of his or her obligations under this Act to control noxious weeds.(5) A local control authority may by notice revoke or amend a weed control notice given by the authority.(6) A local control authority may not give a weed control notice to a public authority or another local control authority.(7) An owner of land who is not the occupier of the land may, at all reasonable times, and after giving reasonable notice to the occupier, enter the land for the purpose of complying with a weed control notice.