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Module 8 of 8 · ISO 22000 · Clause 10

Improvement and updating of the system

The last clause closes both cycles: it corrects what fails, improves the system and updates it after every change in product, process or legislation.

Content reviewed on

Nonconformity and corrective action (10.1)

When a system nonconformity occurs, you react, analyse the cause, consider whether it could recur elsewhere, apply the action and review its effectiveness. Evidence of its nature, the actions and their results is retained. Product deviations at CCPs and OPRPs are handled separately under 8.9.

Continual improvement (10.2)

Top management improves the suitability, adequacy and effectiveness of the system based on communication, management review, audits, analysis of verification results, validation and corrective actions.

Update of the system (10.3)

The food safety team evaluates the system at planned intervals and decides whether the hazard analysis, the control plan or the PRPs need revising. Updates are based on internal and external communication, information on the suitability of the system and verification results, and are reported as an input to management review.

What an auditor usually asks for

  • System nonconformities with root cause and verification of effectiveness
  • Separation between product deviations (8.9) and system nonconformities (10.1)
  • Planned evaluation of the system by the food safety team
  • Record of updates with their reason and their reporting to top management

How to cover improvement in Kimobox

  1. 1Open each nonconformity with a mandatory root cause and scheduled verification of effectiveness.
  2. 2Record updates to the hazard analysis and the plan with their version and reason.
  3. 3Feed the period's updates automatically into management review as an input.

A HACCP plan with the same review date for three years, in a plant that has changed its recipes, is an update that never happened.

See nonconformities and corrective actions in Kimobox

ISO 22000 templates and records in this chapter

Where each figure comes from

References to the official text in force. If a standard is revised, this page is updated and the review date says so.

  1. ISO 22000:2018 — Food safety management systems. Requirements for any organization in the food chain ISO · 2018 ed. (2nd edition), published June 2018
  2. ISO 22000:2018/Amd 1:2024 — Climate action changes ISO · February 2024
  3. ISO/DIS 22000 — Draft revision of the standard (3rd edition) ISO · Under development
  4. ISO 22002-100:2025 — Prerequisite programmes on food safety. Part 100: requirements for the food, feed and packaging chain ISO · 29 July 2025
  5. ISO 22002-1:2025 — Prerequisite programmes on food safety. Part 1: food manufacturing ISO · 29 July 2025; replaces ISO/TS 22002-1:2009
  6. General Principles of Food Hygiene, CXC 1-1969 Codex Alimentarius (FAO/WHO) · 2020 revision
  7. Regulation (EC) No 852/2004 on the hygiene of foodstuffs EUR-Lex · 29 April 2004
  8. Regulation (EC) No 178/2002, Articles 18 and 19 (traceability and withdrawal) EUR-Lex · 28 January 2002
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