Recital (56)

In order to demonstrate compliance with this Directive, the controller or processor should maintain records regarding all categories of processing activities under its responsibility. Each controller and processor should be obliged to cooperate with the supervisory authority and make those records available to it on request, so that they might serve for monitoring those processing operations. The controller or the processor processing personal data in non-automated processing systems should have in place effective methods of demonstrating the lawfulness of the processing, of enabling self-monitoring and of ensuring data integrity and data security, such as logs or other forms of records.