Senator BILYK (Tasmania—Deputy Opposition Whip in the Senate) (14:50): My question is to the Minister representing the Prime Minister, Senator Abetz. When was the Prime Minister's office first aware that Commissioner Heydon was giving the Sir Garfield Barwick address— Government senators interjecting— Senator BILYK: Excuse me!—at a Liberal Party function. The PRESIDENT: Just a moment, Senator Bilyk. Order on my right. Opposition senators interjecting— The PRESIDENT: Order on my left. Senator Bilyk interjecting— The PRESIDENT: Order. Yes, you will be starting again in a moment, Senator Bilyk. Just a moment. Government senators interjecting— The PRESIDENT: On my right: Senator Edwards, Senator Back, order! Senator Macdonald. Senator Bilyk we will start again. Start the question again. Senator BILYK: They are worse than the children I used to care for. My question is to the Minister representing the Prime Minister, Senator Abetz— Senator Fifield: You have been for waiting three years to use that one. Senator BILYK: I've said it often about your side— The PRESIDENT: Order—to the question. Government senators interjecting— The PRESIDENT: Order on my right. Senator BILYK: When was the Prime Minister's office first aware that Commissioner Heydon was giving the Sir Garfield Barwick address at a Liberal Party function, and did the Prime Minister, as a member of the New South Wales Liberals, receive an invitation?