(1) What is the (a) outstanding and (b) arrears amount owed by each (i) municipality, (ii) metro council and (iii)(aa) national and (bb) provincial government department, including each specified entity of each department, as at 30 April 2010; (2) whether there are any measures in place to ensure that the outstanding/arrears amounts be collected; if not, why not; if so, what measures?