Why must a HACCP plan be validated and reviewed regularly?

Date modified: 22nd September 2025 | This FAQ page has been written by Pilla Founder, Liam Jones, click to email Liam directly, he reads every email.

Regular validation and review of a HACCP plan are essential to ensure that food safety measures remain effective and up to date. This process checks that the plan is scientifically and technically sound, and that it effectively controls identified hazards. It's like a regular health check-up for your food safety system, catching potential problems before they affect your customers.

Common misunderstanding: Once a HACCP plan is written, it doesn’t need to be changed.

A HACCP plan isn't a set-and-forget document. Changes in processes, equipment, or ingredients can introduce new hazards, making regular reviews crucial to maintaining food safety.

Common misunderstanding: Validation is the same as monitoring.

Validation is about proving that the processes work as intended, while monitoring is about checking these processes on a day-to-day basis. Both are important, but they serve different purposes in maintaining food safety.

What triggers a review of the HACCP plan?

A review of the HACCP plan is triggered by any change that could affect food safety. This includes changes in equipment, ingredients, processes, or even the product itself. For example, if a restaurant starts using a new type of oil with a different smoke point, the cooking process might need to be adjusted to prevent harmful compounds from forming.

Common misunderstanding: Reviews are only needed when there is a food safety incident.

Waiting for an incident before reviewing a HACCP plan can be risky. Proactive reviews help prevent incidents by adapting the plan to new risks before they cause problems.

Common misunderstanding: Minor changes in suppliers or ingredients don’t necessitate a HACCP review.

Even small changes, like a new supplier for a key ingredient, can introduce new hazards. It’s important to review and possibly update your HACCP plan to reflect these changes.

How do verification and review improve HACCP effectiveness?

Verification and review are critical for maintaining the effectiveness of a HACCP system. Verification ensures that the HACCP plan is being followed as written and is effectively controlling identified hazards. Regular reviews, meanwhile, assess the adequacy of the plan in light of any changes in the operating environment or new information about hazards.

Common misunderstanding: Verification is a one-time activity.

Verification should be an ongoing activity to continuously ensure that the HACCP system is working correctly. This includes regular checks and tests to confirm that critical limits are being met.

Common misunderstanding: If no problems have occurred, there’s no need to review the HACCP plan.

Reviewing the HACCP plan regularly is important even if no issues have been detected. This proactive approach helps identify potential weaknesses before they lead to food safety problems.

UK Official Guidance

USA Official Guidance

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How does a HACCP system help prevent food contamination?

A HACCP system identifies potential food safety issues and implements preventative measures to avoid problems before they start, significantly reducing the risk of food contamination and ensuring customer safety.

What are critical control points (CCPs) in a HACCP system?

In a Hazard Analysis and Critical Control Points (HACCP) system, critical control points (CCPs) are stages where control is crucial to prevent, reduce, or eliminate a food safety hazard to an acceptable level. Cooking, for instance, is a CCP because it is essential to cook food to the correct temperature to eliminate harmful bacteria. It is important to identify these points to ensure food safety effectively.

What is the origin of HACCP and how is it used today?

HACCP, which stands for Hazard Analysis and Critical Control Point, was created in the 1960s by the Pillsbury Company alongside NASA. Its initial purpose was to secure food safety for space missions.

What is the difference between a HACCP plan and a Food Safety Management System?

A HACCP plan specifically focuses on identifying and controlling critical points in the food production process to prevent safety hazards.

What does conducting a hazard analysis involve in HACCP?

Conducting a hazard analysis in HACCP involves identifying potential food safety risks at each step of the food production and handling processes.

What should food businesses do when a critical limit is not met?

When a critical limit in a HACCP plan is breached, food businesses must immediately take corrective actions.

What are critical limits and how are they set?

Critical limits are specific thresholds set to ensure food safety during production, based on scientific research.

What records must be kept under a HACCP plan?

A HACCP plan requires keeping comprehensive records to prove the effectiveness of your food safety processes and compliance with safety standards.

What is involved in monitoring critical control points?

Monitoring critical control points (CCPs) is crucial in the HACCP system to ensure food safety.

What is the role of a HACCP team in food businesses?

In food businesses, a HACCP team is vital for ensuring food safety. This team is tasked with developing, implementing, and maintaining the HACCP system.

How can HACCP be built into overall quality assurance?

Integrating HACCP into overall quality assurance involves making it an integral part of daily operations to ensure that food safety drives quality across all food services.