(1) A public land authority for land may give a waiver of entry notice for an entry made to the land to carry out an authorised activity for a resource authority.
(2) A waiver of an entry notice—
(a) is invalid if it does not comply with the prescribed requirements for the notice; and
(b) can not be withdrawn during the notified period; and
(c) ceases to have effect at the end of the notified period.
(3) In this section—
notified period, for a waiver of entry notice, means the period stated in the notice as the period during which the land may be entered.