6.20. The safety case should update information about the management system with particular emphasis on the following:@@- The organization and procedures that are in place to ensure the quality of the design work performed, its linkage to the outcome of research and development work, site characterization and safety assessment work.@@- The overall planning of activities, in particular plans for involvement of the regulatory authority and other interested parties, as well as the periodic and systematic assessment of the implementation of plans.@@- Implementation of the record keeping and tracking system, which should cover data, information and records of decisions taken. Information on the design basis and design modifications, and on their validation should be captured.