Technical guidance
General principles of food hygiene and HACCP
Codex CXC 1
Read Codex food hygiene and HACCP in relation to process hazards, control evidence and national preventive-control rules.
Read the referenceComparative study
International food hygiene principles provide a common starting point. National rules determine who must act, which controls apply and what records must be available. This study compares those roles across Codex, FDA preventive controls and USDA food safety systems.
How far can a food operation carry a common hygiene approach across national regulatory systems? A useful answer must distinguish a shared way of analysing hazards from a legal conclusion about compliance. A plan can be technically coherent yet omit a duty imposed by the jurisdiction that regulates the facility or product.
The practical question is therefore whether existing hazard analysis, control and verification evidence answers the questions posed by each applicable framework. This study examines that relationship. It does not treat the presence of a HACCP document, or a reference to Codex, as a substitute for determining the governing requirements.
Three comparison objects are used: the Codex General Principles of Food Hygiene as an international reference; FDA requirements in 21 CFR Part 117; and USDA HACCP requirements in 9 CFR Part 417. The latter two operate within different U.S. jurisdictional and applicability arrangements.
FAO records adoption of a revision to CXC 1-1969 on 21 November 2022. The original identifier is not evidence that the content remained unchanged since 1969. The adoption announcement supplies the revision fact; no clause-by-clause equivalence to either U.S. rule is asserted here.
The comparison follows four questions: what gives the document authority; what operation it addresses; what evidence demonstrates implementation; and what prevents transfer of a conclusion to another framework. Current regulatory text is used for legal duties. FAO adoption metadata establishes the revision fact. FDA-hosted advisory guidelines, adopted in 1997, supply HACCP background rather than the 2022 Codex text. FDA explanatory material clarifies preventive controls.
This is documentary analysis, without inspection findings or food-specific validation experiments. The table identifies control architecture, not interchangeable checklists. Where the frameworks share a concern, such as verification, the analysis still asks what that activity must establish for the particular operation.
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| Framework | Role in the comparison | Evidence focus | Transfer boundary |
|---|---|---|---|
| Codex hygiene principles | International reference for hygiene and hazard control | Coherent hygiene practices supporting hazard management | National legal duties require a separate applicability review. FDA HACCP background |
| FDA Part 117 | Applicable U.S. manufacturing, processing, packing and holding duties | Food safety plan and controls required for the covered facility | Exemptions and modified requirements must be assessed individually. Rule |
| FDA preventive controls explanation | Clarifies the relationship to HACCP | Controls can address hazards beyond controls at critical control points | Renaming an existing HACCP plan does not establish completeness. FDA FAQ |
| USDA Part 417 | HACCP duties within the applicable inspection framework | Hazard analysis, plan implementation, validation, verification and records | An FDA-oriented plan does not establish USDA compliance. Rule |
The strongest common ground is the discipline of connecting hazards to controls and then to evidence that those controls operate. The FDA-hosted HACCP guidelines explain the operating foundation supplied by prerequisite programs. That supports a useful comparison without making international guidance legally identical to a domestic rule.
A significant difference is how legal frameworks specify responsibilities around that discipline. Part 117 addresses preventive control categories and associated activities under its own conditions. Part 417 gives HACCP analysis, validation, verification and reassessment their particular regulatory setting. A shared label such as verification does not erase those differences.
The resulting management finding is that a reusable hazard analysis is valuable, but a reusable compliance conclusion is much harder to justify. The applicability decision must travel with the evidence.
Build the implementation record around the actual facility and its products. Identify the regulator, covered activities, exemptions considered and the provisions that support each conclusion. FDA's FSMA FAQ expressly addresses why plans must reflect facility conditions.
Next connect each relevant hazard to the control, monitoring information, verification activity, corrective response and responsible function. Keep the scientific basis distinct from routine records: a signed monitoring sheet cannot by itself explain why a process achieves the intended control.
For an illustrative sauce operation, a change in ingredient supplier should prompt review of both the hazard analysis and any relevant supplier evidence; a change in formulation may raise different questions. Those examples are review prompts, not determinations that a particular hazard exists or that a particular treatment is sufficient.
Finally reconcile terminology in the operating documents. Employees should be able to find the controlling instruction without choosing between several inconsistent versions of the same plan.
This comparison does not determine FDA or USDA jurisdiction for a particular mixed product, establishment or import transaction. It also does not address every food-specific rule, state requirement or export condition. Those questions need the facts of the product and operation.
No conclusion is offered that Codex principles satisfy all U.S. duties, or that either U.S. framework exhausts an international customer's requirements. The underlying Codex text and any separately licensed food safety management standard must be consulted through an authorized source when detailed interpretation is needed. This study uses public U.S. agency explanation and Codex adoption metadata rather than reproducing a standard or certifying a food safety system.
The sources below support the distinction between an international hygiene reference and enforceable domestic duties. The regulatory links should be reopened before a facility changes its plan, since amendments and applicability provisions can affect the implementation decision.
A substantive correction should identify the provision, product or operation that changes the comparison. A certificate alone would not resolve an omitted legal duty; the underlying scope and evidence would still need review.
Sources checked: 19 October 2026. Published: 19 October 2026.
The library entries introduce the relevant families and distinguish a food safety management reference from the legislation governing a food operation. They are starting points for an applicability record rather than evidence that a facility has passed an assessment.
For a practical review, use the product applicability record to identify the governing framework, then connect incoming ingredient and supplier evidence through the supplier evidence matrix. Keep jurisdictional questions open until their supporting facts are recorded.
General principles of food hygiene and HACCP · Food safety management systems · All studies.
Source record
Sources checked 2026-10-19. This date records preparation of this resource; publication, legal and transition dates are identified separately.
Adoption record for the 2022 revision of the General Principles of Food Hygiene
FAO: Codex Alimentarius Commission, 21–25 November 2022 www.fao.orgGovernment-hosted advisory explanation of prerequisite programs and the HACCP approach; not the 2022 Codex text
FDA: HACCP Principles and Application Guidelines, adopted 14 August 1997 www.fda.govBinding U.S. human food requirements, subject to the provisions and exemptions in the regulation
21 CFR Part 117 www.ecfr.govAgency explanation of preventive controls, HACCP and facility-specific food safety plans
FDA: Frequently Asked Questions on FSMA www.fda.govBinding HACCP requirements for establishments within the applicable USDA inspection framework
9 CFR Part 417 www.ecfr.gov