ISO 22000 - (Section 8 - Validation, verification and improvement of the food safety management system)

8.4. Food safety management system verification

8.4.1 Internal audit

The organization shall conduct internal audits at planned intervals to determine whether the food safety management system


  1. conforms to the planned arrangements, to the food safety management system requirements established by the organization, and to the requirements of this International Standard, and
  2. is effectively implemented and updated.

An audit programme shall be planned, taking into consideration the importance of the processes and areas to be audited, as well as any updating actions resulting from previous audits (see 8.5.2 and 5.8.2). The audit criteria, scope, frequency and methods shall be defined. Selection of auditors and the conduct of audits shall ensure the objectivity and impartiality of the audit process. Auditors shall not audit their own work.


The responsibilities and requirements for planning and conducting audits, and for reporting results and maintaining records, shall be defined in a documented procedure.


The management responsible for the area being audited shall ensure that actions are taken without undue delay to eliminate detected nonconformities and their causes. Follow-up activities shall include the verification of the actions taken and the reporting of the verification results.


8.4.2 Evaluation of individual verification results

The food safety team shall systematically evaluate the individual results of planned verification (see 7.8).


If verification does not demonstrate conformity with the planned arrangements, the organization shall take action to achieve the required conformity. Such action shall include, but is not limited to, review of

  1. existing procedures and communication channels (see 5.6 and 7.7),
  2. the conclusions of the hazard analysis (see 7.4), the established operational PRP(s) (see 7.5) and the HACCP plan (see 7.6.1),
  3. the PRP(s) (see 7.2), and
  4. the effectiveness of human resource management and of training activities (see 6.2).

8.4.3 Analysis of results of verification activities

The food safety team shall analyse the results of verification activities, including the results of the internal audits (see 8.4.1) and external audits. The analysis shall be carried out in order

  1. to confirm that the overall performance of the system meets the planned arrangements and the food safety management system requirements established by the organization,
  2. to identify the need for updating or improving the food safety management system,
  3. to identify trends which indicate a higher incidence of potentially unsafe products,
  4. to establish information for planning of the internal audit programme concerning the status and importance of areas to be audited, and
  5. to provide evidence that any corrections and corrective actions that have been taken are effective.

The results of the analysis and the resulting activities shall be recorded and shall be reported, in an appropriate manner, to top management as input to the management review (see 5.8.2). It shall also be used as an input for updating the food safety management system (see 8.5.2).