65. No action, suit or proceeding lies against a person who is or has been—
(a) a member of the Tribunal;
(b) a member of the staff of the Tribunal;
(c) acting under the direction or authority of the Tribunal; or
(d) participating in proceedings;
in relation to an act done or omitted to be done in good faith in the exercise or purported exercise of a power or the performance of a duty or function under or in relation to this Act.