Dr SOUTHCOTT (Boothby) (15:52): Last week on several occasions the Minister for Climate Change and Energy Efficiency referred to the opposition, as a group, as making mendacious claims. My question to you is: can you advise the House why to accuse someone of lying is unparliamentary but— The DEPUTY SPEAKER ( Ms AE Burke ): The member will resume his seat and he can read House of Representatives Practice 499 to 502 and get the answer for himself.