(1) This section applies to a person who is, or has been—
(a) a tribunal member; or
(b) the registrar or deputy registrar; or
(c) acting under the direction or authority of the tribunal; or
(d) taking part in a proceeding; or
(e) a public servant providing administrative assistance to the tribunal.
(2) A civil proceeding does not lie against a person to whom this section applies in relation to loss, damage or injury of any kind to someone else because of an act done, or omitted to be done honestly in the exercise (or purported exercise) of a function under this Act.