(1) None of the following is compellable to give evidence:
(a) the Sovereign;
(b) the Governor - General;
(c) the Governor of a State;
(d) the Administrator of a Territory;
(e) a foreign sovereign or the Head of State of a foreign country.
(2) A member of a House of an Australian Parliament is not compellable to give evidence if the member would, if compelled to give evidence, be prevented from attending:
(a) a sitting of that House or a joint sitting of that Parliament; or
(b) a meeting of a committee of that House or that Parliament, being a committee of which he or she is a member.