(1) An authorised officer or ranger is not liable to any proceedings relating to an act done, or omitted to be done, in good faith in the exercise or purported exercise of any power conferred on the officer or ranger by this Part, Schedule 1 (in the case of an authorised officer) or regulations made for the purposes of this Part or Division 5 of Part 15.
(2) A person requested by an authorised officer or ranger to assist the officer or ranger in the exercise or purported exercise of any power conferred on the officer or ranger by this Part, by Schedule 1 (in the case of an authorised officer), or by regulations made for the purposes of this Part or Division 5 of Part 15, is not liable to any proceedings relating to an act done, or omitted to be done, in good faith for the purpose of assisting the officer or ranger.