Article 8 of the Machinery Regulation 2023/1230: the essential health and safety requirements of Annex III and the mandatory risk-reduction hierarchy

Direct answer: Article 8 of Regulation (EU) 2023/1230 requires that all machinery and related products comply with the applicable essential health and safety requirements (EHSRs) of Annex III, following a strictly hierarchical safety-integration method: first eliminate the risk by design, then reduce it through guarding or safety measures, and only as a last resort inform the user of the residual risk. A manufacturer cannot skip this hierarchy and simply attach a warning sticker if the risk could have been eliminated by redesigning the product. Compliance with harmonised standards grants a presumption of conformity, but it does not replace the obligation to correctly apply this hierarchy to each relevant requirement.

Article 8 is, together with Article 2 on scope which we analysed in a previous article, the technical core of the Regulation: while Article 2 answers "is my product in scope?", Article 8 answers "exactly what must I guarantee in design and manufacture?". Annex III is not a generic checklist: it distinguishes general requirements applicable to all machinery from additional requirements specific to certain categories — mobile machinery, lifting machinery, machinery intended for underground work, machinery for food handling, among others — and the manufacturer must precisely determine which are relevant based on the risk assessment of its specific product.

What exactly does Article 8 require of manufacturers?

Article 8.1 establishes that machinery and related products must be designed and constructed so as to comply with the essential health and safety requirements set out in Annex III that are applicable to them. Article 8.2 introduces the critical nuance: when determining which requirements apply, the manufacturer must carry out a risk assessment, and design and construct the machinery taking into account the results of that assessment. There is no single universal list identical for every machine: each manufacturer must justify, within its technical file, which sections of Annex III it applied and why.

How does the mandatory risk-reduction hierarchy work?

Annex III, in its general principle number 1, sets out a three-step sequence that the manufacturer must apply in strict order, without being able to skip any step while the previous one remains technically and economically viable. This hierarchy — inherited from Directive 2006/42/EC but reinforced in its wording — is the criterion that any auditor or notified body checks first when assessing a technical file.

What general and specific requirements does Annex III distinguish?

Annex III is structured into a chapter of general requirements applicable to all machinery — principles of safety integration, materials and products, lighting, ease of handling, ergonomics, stability, risks of breakage during operation, risks arising from the ejection of parts or leakage of substances, maintenance, and information for use — and several chapters of additional requirements that apply only to specific categories of machinery.

How do harmonised standards grant a presumption of conformity?

Article 20 of the Regulation — directly linked to Article 8 — establishes that machinery and related products which comply with harmonised standards, or parts thereof, the references of which have been published in the Official Journal of the European Union, are presumed to conform with the essential health and safety requirements of Annex III covered by those standards or parts thereof. This presumption of conformity is the reason why most manufacturers work directly with harmonised EN standards — such as EN ISO 12100 on general principles for design or EN ISO 13849 on safety-related parts of control systems — rather than demonstrating direct compliance with the legal text of Annex III case by case.

Applying a harmonised standard only partially, or applying an outdated version whose reference is no longer listed in the Official Journal, does not generate a full presumption of conformity: the manufacturer remains obliged to justify compliance with any requirement of Annex III not covered by that standard through other technical means, typically through documented risk analysis and its own testing.

IgeraIndustria in action: mapping Annex III requirements

Before closing the technical file, IgeraIndustria lets you ask in natural language which Annex III requirements are relevant for a specific type of machine, and whether a harmonised standard exists that grants a presumption of conformity for that requirement, citing the exact section.

Why does the risk assessment determine which requirements actually apply?

Annex III does not require every requirement to be met at all times: it applies "to the extent that the corresponding risk exists for the machinery concerned", according to its general principle number 2. This means that two machines of the same generic type may have different technical files if their particular risk assessment — depending on speed, environment of use, type of operator or actuation mode — identifies different risks. The risk assessment is therefore not a downstream formality: it is the filter that determines which specific sections of Annex III are legally enforceable for that product.

A real case: a manufacturer of laser cutting machinery for use in an enclosed workshop initially applied the same protective requirements against particle ejection as its previous mechanical-cutting model, without repeating the risk assessment specific to the new process. When reviewing the file under Article 8.2, the quality team detected that the dominant risk had changed — from chip ejection to optical radiation emission and process fumes — and that applying the Annex III hierarchy to the old risks left the real risk of the new technology uncovered, requiring the extraction system and the optical protection enclosure to be redesigned before placing the product on the market.

Frequently asked questions about essential requirements and Annex III

Can a manufacturer skip step 1 of the hierarchy if it is technically unfeasible?

Yes, but it must demonstrate and document this. If eliminating the risk by design proves technically impossible or compromises the essential function of the machine, the manufacturer may move to step 2 (protection), provided it justifies in the technical file why step 1 was not viable, and not merely for reasons of cost preference.

Does applying a harmonised standard exempt a manufacturer from carrying out a risk assessment?

No. The risk assessment required by Article 8.2 is mandatory in all cases, regardless of whether harmonised standards are applied. A harmonised standard makes it easier to demonstrate compliance with certain requirements, but it does not replace the obligation to identify all hazards specific to the particular machine.

What happens if no harmonised standard exists for my type of machine?

The manufacturer must demonstrate direct compliance with the Annex III requirements by other technical means: its own test reports, detailed risk analysis, non-harmonised international standards used as a technical reference, or expert opinions, all documented in the technical file required by the Regulation.

Are the additional requirements in Chapters II to VI of Annex III cumulative?

Yes. A mobile lifting machine intended for food handling, for example, must simultaneously comply with general Chapter I, Chapter IV on mobile machinery, Chapter V on lifting, and Chapter II on food machinery, to the extent that each corresponding risk actually exists for that specific machine.

Who checks whether the risk-reduction hierarchy has been correctly applied?

It depends on the applicable conformity assessment procedure: under internal production control, responsibility rests solely with the manufacturer; for high-risk machinery under Annex I, a notified body reviews the technical file and may require documentary evidence of why earlier steps in the hierarchy were ruled out before resorting to information on residual risks.

Does IgeraIndustria help map which Annex III requirements are relevant?

Yes. IgeraIndustria analyses the category and intended use of the machine, identifies the applicable chapters of Annex III, flags the harmonised standards with an available presumption of conformity, and generates a report with the exact citation of each relevant requirement to include in the technical file.