Including sustainability performance data in quarterly reporting to corporate to ensure more consistent tracking of this data by sites and greater visibility at corporate level regarding progress against key performance indicators, thereby also allowing for more timely identification of any potential or actual issues; Establishing an internal review process at corporate level, including sample checks by corporate against source evidence to confirm the accuracy and robustness of data and the maintenance of an audit trail; Conducting a review of the data collection system in place at Tsumeb for accurate reporting and collation of data, including the development of a documented internal procedure and the maintenance of documentation for the purposes of creating an audit trail.