Internal audit starts with improving internal management, and promotes quality improvement by taking corresponding corrective and preventive measures for the problems found; External audit is to provide the basis for customer approval or third-party approval/registration through the evaluation of laboratory quality management system and technical ability.
The composition of the audit team is different. Set up an internal audit team in the name of the laboratory, and the top manager or quality supervisor of the laboratory is responsible for hiring qualified personnel and relevant personnel to implement it; The external audit is designated by the customer or a third party (on-site audit recognized by the laboratory and implemented by qualified personnel confirmed by CNAL).
Auditors handle corrective actions in different ways. Internal auditors can make suggestions and consultations on corrective measures and give directional opinions for reference. Internal auditors need to track and verify the completion. External auditors cannot make suggestions on corrective measures, and the rectification plan and its implementation should be approved and tracked by the audit team leader.
Internal audit is the abbreviation of internal audit. Sawyer, the father of internal audit, defines internal audit as an independent evaluation of various businesses and controls in an organization to determine whether it follows recognized policies and procedures, conforms to laws and standards, uses resources effectively and economically, and achieves organizational goals.
External audit is external audit, including national audit and social audit. As a third-party certification body, external auditors audit the management system of enterprises applying for certification. To become an external auditor, you must attend the ISO9000 external auditor training course first, and then pass the exam (passing 70 points) before you can get the training certificate.
Registered auditors, to declare, have certain academic qualifications and related work requirements. External audit requires that the auditee or auditor has no interest relationship with the auditee, and is fair and reasonable. External audit usually refers to the third-party audit in quality management system, food safety management system and environmental management system management.