(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 the house or a joint sitting of the Parliament; or
(b) if the member is a member of a committee of the house or the Parliament—a meeting of the committee.