Note that all must be kept has been embodied in the list must be kept to use as evidence that is consistent with the requirements and to reflect the effectiveness of the actions.
All records must be kept Has been compiled on the roster, records must be kept. To be used as proof of performance in accordance with the specifications. And to demonstrate the effectiveness of the operation.
Records must be maintained at all. Has been gathered in the records list must be maintained. To use as evidence show performance consistent with the requirements. And to show the effectiveness of the operation.