Art. 9 EU AI Act: the risk management system for high-risk AI
Art. 9 requires providers of high-risk AI systems to establish, document, and maintain a risk management system that runs across the entire lifecycle. It is a continuous, iterative process: identify the known and foreseeable risks, estimate and evaluate them, and adopt targeted mitigation measures, updating the cycle as the system and its environment change. It is not a one-time pre-deployment assessment.
Updated: June 2026
This is an explicit providerproviderThe actor who develops an AI system (or has it developed) and places it on the market or into service under its own name — carrying manufacturer-style duties: design controls, documentation, conformity.Open full entry → obligation under the EU AI Act. It falls on whoever develops or places the high-risk AI systemAI systemA machine-based system that, for explicit or implicit objectives, infers from input how to generate outputs — predictions, content, recommendations or decisions — that can influence physical or virtual environments. The OECD-style definition followed by the EU AI Act.Open full entry → on the market. Deployers meet a related but lighter set of duties under Art. 26.
Introduction: the obligation that holds the others together
Art. 9 is the first of the technical requirements the EU AI Act places on providers of high-risk AI systems, and it is deliberately first. The risk management system is the framework into which the other obligations fit: the data governance of Art. 10, the technical documentation of Art. 11, the logging of Art. 12, the transparencytransparencyOpenness about the fact that AI is used and how it operates in general: disclosures, documentation, notices. Pairs with explainability, which addresses individual outcomes.Open full entry → of Art. 13, the human oversighthuman oversightDesigned-in human ability to monitor, intervene in, override or shut down an AI system — meaningful only when the human has authority, information and time to act.Open full entry → of Art. 14, and the accuracy and robustnessrobustnessA system's ability to perform reliably under realistic conditions including noise, edge cases and adversarial pressure — the engineering core of the safety-and-reliability principle.Open full entry → of Art. 15 are all, in part, risk mitigation measures that the Art. 9 system identifies, justifies, and tracks.
The defining feature of Art. 9 is that it is continuous. The article uses the word "iterative" and requires the process to run "throughout the entire lifecycle" of the system. A provider who conducts a single risk assessment before launch, files it, and never revisits it has not satisfied Art. 9, regardless of how thorough that assessment was. The obligation is to operate a living system, not to produce a document.
What the risk management system must do
Art. 9 sets out a cycle with four recurring steps:
- Identify and analyse the known and reasonably foreseeable risks the system can pose to health, safety, and fundamental rights when used for its intended purpose.
- Estimate and evaluate the risks that may emerge when the system is used as intended and under conditions of reasonably foreseeable misuse.
- Evaluate other risks that arise from the analysis of post-market monitoringpost-market monitoringProvider-side duty to systematically collect and act on experience from systems in use — the product-regulation half of continuous monitoring.Open full entry → data (the feedback loopfeedback loopA dynamic where a system's own outputs influence its future training data, amplifying initial patterns — e.g. investigating only flagged claims, then learning from those investigations.Open full entry → from Art. 72).
- Adopt appropriate and targeted risk management measures to address the identified risks.
The measures must reduce each risk so far as is technically feasible, through the design and build of the system itself, through mitigation and control measures where the risk cannot be eliminated, and through the information and training provided to deployers. Residual risks that remain after mitigation must be judged acceptable and communicated to the deployerdeployerAn organization using an AI system under its own authority in its activities — carrying operator duties: use per instructions, oversight, input relevance, monitoring, notices.Open full entry →.
The relationship to the other technical articles
Art. 9 does not operate in isolation. It is the orchestrating process, and the other articles are where its measures are implemented:
- A data quality risk identified under Art. 9 is mitigated through the Art. 10 data governance measures.
- A risk of insufficient traceability is mitigated through the Art. 12 logging capability.
- A risk that a deployer misunderstands the system is mitigated through the Art. 13 instructions for use.
- A risk that the system acts without meaningful human control is mitigated through the Art. 14 human oversight design.
- A risk of inaccurate or non-robust performance is mitigated through the Art. 15 measures.
This is why Art. 9 is the backbone: a finding in the risk management system flows out into a concrete measure in one of the other articles, and the evidence that the measure works flows back in through testing and monitoring.
Why it matters
For a provider, the risk management system is the document a conformity assessmentconformity assessmentThe pre-market process demonstrating a high-risk AI system meets the EU AI Act's requirements, leading to CE marking and registration.Open full entry → examines first, because it demonstrates whether the provider's compliance is systematic or improvised. A coherent Art. 9 system, with each identified risk traced to a mitigation measure and a piece of evidence, signals a system under control. A pile of separate assessments with no connecting process signals the opposite.
For a deployer, Art. 9 matters indirectly but materially: the residual risks the provider judged acceptable, and the conditions under which the system is safe to use, are communicated through the instructions for use. A deployer who operates the system outside those conditions inherits the risk that the provider's Art. 9 system explicitly excluded.
Governing the risk management system
The practical challenge is keeping the system alive after launch, when the pressure to move on to the next release is strongest. The controls below treat the risk management system as a process with a heartbeat, not a deliverable with a deadline.
The core artefact is a risk registerrisk registerThe living record of an AI system's identified risks, ratings, responses, owners and review dates — kept current from design through retirement.Open full entry → that, for each identified risk, records the description, the affected rights or safety dimension, the severity and likelihood, the mitigation measure, the article under which that measure sits, the evidence that the measure works, and the residual riskresidual riskThe risk remaining after mitigations — compared against risk appetite and accepted in writing by someone with authority, or the project doesn't proceed.Open full entry → after mitigation. This register is updated on a defined cadence and on trigger events: a system change, a new intended use, a post-market monitoring signal, or a serious incidentserious incidentAn AI incident causing (or nearly causing) death, serious harm to health, property, fundamental rights or infrastructure — triggering regulatory reporting duties for high-risk systems.Open full entry →.
The feedback loop is what makes the system iterative. Post-market monitoring data under Art. 72 and serious incident reports under Art. 73 feed back into the register, where they either confirm that a risk was correctly judged or reveal that it was underestimated. Each incident closes with the register updated so the next iteration of the system carries the lesson forward.
Compliance checklist
- Is there a documented risk management system that covers the full lifecycle of each high-risk system, not a single pre-deployment assessment?
- Does the risk register trace each identified risk to a specific mitigation measure and the article under which it sits?
- Is there evidence that each mitigation measure was tested and works?
- Are residual risks documented, judged acceptable, and communicated to deployers through the instructions for use?
- Is the register updated on a defined cadence and on trigger events (system change, new use, monitoring signal, incident)?
- Does post-market monitoring and incident data feed back into the register?