Audit plans (process audits, product audits) must be available for the product and its production processes.Reasons for an audit are : - New projects, processes and/or products - To provide evidence of compliance with quality requirements - To indicate the potential for improvementsDeviation reports must be issued to those responsible and improvement actions must be tracked.If quality requirements are not met (internal / external) additional audits referring to the specific event(s) must be carried out. Product audits are carried out and documented in production after production operations have been completed. They arecarried out periodically and examine the finished product.Account is also taken of customer requirements and relevant functions, including ease and security of fitment. Deficiencies in engineering and production are displayed,assessed from the customer's standpoint and appropriate actions are introduced."