Whether he and/or the National Treasury have taken any steps to assess the effectiveness of municipal audit committees constituted in terms of section 166 of the Local Government: Municipal Finance Management Act, Act 56 of 2003; if not, what steps does he intend to take for such an assessment to be done; if so, what are the relevant details of the findings of the assessment with regard to the failure of many municipal audit committees to prevent recurring financial and supply chain management related irregularities?