(1) With reference to irregularities in the procurement process for the Nkandla upgrade, what amounts were identified as irregular expenditure in the report of the departmental task team; (2) whether any steps have been taken against officials responsible for the irregular procurement and transgressions of Treasury regulations; if not, why not; if so, what are the full details of the steps that have been taken; (3) what measures have since been implemented to avoid a recurrence of the irregularities; (4) whether the Office of the Auditor-General has been requested to assist with the development and implementation of sound internal controls; if not, why not?