The Independent Audit Advisory Committee of the United Nations (IAAC) held its thirteenth session from 15 to 17 February 2011. The session, which was held at United Nations Headquarters in New York, was presided over by the Chairman, David M. Walker, with all the members of the IAAC in attendance, namely John F.S. Muwanga (Vice-Chairman), Vadim V. Dubinkin, Vinod Rai and Adrian P. Strachan.