6.4 The determination and evaluation of corrective and preventive action(s) shall be taken as follow.
6.4.1 Reviewing actual and potential non-conformities/risks/environmental impacts encountered.
6.4.2 Determining the causes.
6.4.3 Evaluating the need for action(s) to prevent occurrence/recurrence.
6.4.4 Determining and implementing appropriate action(s) designed to mitigate.
6.4.5 Recording the results of action(s) taken.
6.4.6 Reviewing the effectiveness of action(s) taken.