"IMPEACH OR QUESTION"
The relevant provision of the Australian Parliamentary
Privileges Act 1987 reads:
In proceedings in any court or tribunal, it
is not lawful for evidence to be tendered or received, questions
asked or statements, submissions or comments made, concerning
proceedings in Parliament, by way of, or for the purpose of:
(a) questioning or relying on the truth,
motive, intention or good faith of anything forming part of those
proceedings in Parliament;
(b) otherwise questioning or establishing
the credibility, motive, intention or good faith of any person;
(c) drawing or inviting the drawing of, inferences
or conclusions wholly or partly from anything forming part of
those proceedings in Parliament.