The ACTING DEPUTY PRESIDENT (Senator Marshall): The President has received letters from party leaders requesting changes in the membership of committees. Senator SHERRY: by leave—I move: That senators be discharged from and appointed to committees as follows: Community Affairs Legislation Committee— Appointed— Substitute member: Senator Urquhart to replace Senator Carol Brown on 21 October 2011 Participating member: Senator Carol Brown Communit y Affairs References Committee— Appointed— Substitute member: Senator Kroger to replace Senator Boyce on 19 October and 20 October 2011 Participating member: Senator Boyce Environment and Commun ications Legislation Committee— Appointed— Substitute member: Senator Milne to replace Senator Waters for the committee's inquiry into the provisions of the Australian Renewable Energy Agency Bill 2011 and a related bill Participating member: Senator Waters Legal and Constitutional Affairs Legislation Committee— Appointed— Substitute member: Senator Mason to replace Senator Boyce on 17 October and 18 October 2011 Privileges— Standing Committee— Appointed—Senator Ludlam. Question agreed to.