Internal communication: Top management shall ensure that appropriate communication processes are established within the manufacturing organisation and that communication takes place regarding the effectiveness of the quality management system. 5.6 Management review 5.6.1 General: Top management shall review the organization's quality management system, at planned intervals, to ensure its continuing suitability, adequacy and effectiveness. This review shall include assessing opportunities for improvement and the need for changes to the quality management system, including the quality policy and quality objectives. Records from management reviews shall be maintained.