What the official record says
This Act is the Parliamentary Privilege Act . This Act comes into force on the day after the date on which it receives the Royal assent. provisions of this Act The purpose of this Act is to— recognise the mutual respect and restraint (also together referred to as the principle of comity) in the important constitutional relationship between the legislative and judicial branches of government; and reaffirm generally in a single Act and clarify the purpose and certain other aspects of, but avoid comprehensive codification of, the privileges, immunities, and powers held, enjoyed, and exercised by the House of Representatives, its committees, and its members; and provide for Article 9 of the Bill of Rights 1688 to be taken to have, for the avoidance of doubt, a specified effect (in addition to