None of the following:
(a) the Commissioner;
(b) a delegate of the Commissioner;
is liable to an action or other proceeding for damages for, or in relation to, an act or matter in good faith done or omitted to be done:
(c) in the performance or purported performance of any function; or
(d) in the exercise or purported exercise of any power;
conferred on the Commissioner by or under this Act.