(1) This section applies to:
(a) a Joint Authority; and
(b) a member of a Joint Authority; and
(c) a person acting under the direction or authority of a Joint Authority; and
(d) a Designated Authority; and
(e) a delegate of a Designated Authority; and
(f) a person acting under the direction or authority of a Designated Authority or a delegate of a Designated Authority.
(2) A person to whom this section applies is not liable to an action, suit or proceeding in relation to an act or matter if:
(a) the act or matter is done or omitted to be done in the exercise or purported exercise of a power or authority given by this Part; and
(b) the act or matter is done or omitted to be done in good faith.