Revised estimates relating to the programme budget for the biennium 2006-2007 and to the proposed programme budget for the biennium 2008-2009 under sections 2, 23, 27, 28E and 35 and income section 1 and proposal related to unforeseen and extraordinary expenses arising from the implementation of decisions of the Human Rights Council : 26th report of the Advisory Committee on Administrative and Budgetary Questions on the proposed programme budget for the biennium 2008-2009