The EU AI Act — Regulation (EU) 2024/1689 — regulates AI systems by risk. A short list of practices is prohibited outright; high-risk systems, listed in Annex III or embedded in products regulated under Annex I, carry obligations on risk management, data governance, documentation, logging, human oversight and robustness; and Article 50 requires transparency wherever people interact with AI or AI-generated content. What you owe depends on your role — provider, deployer, importer or distributor — for each system. The prohibitions have applied since February 2025 and Article 50 since August 2026. The Digital Omnibus on AI moved the high-risk obligations to 2 December 2027 for Annex III systems and 2 August 2028 for Annex I.
Key takeaways
The Act is risk-tiered: prohibited practices, high-risk systems, transparency duties, and minimal-risk systems with no specific obligations.
Obligations attach per system and per role — the same model can make you a provider for one product and a deployer for another.
Article 5 prohibitions have applied since 2 February 2025, general-purpose AI model duties since 2 August 2025, and Article 50 transparency since 2 August 2026.
The Digital Omnibus deferred high-risk obligations to 2 December 2027 (Annex III) and 2 August 2028 (Annex I) — deferred, not removed.
It applies wherever a system's output is used in the EU, so being established elsewhere does not take you out of scope.
Scope
Who EU AI Act applies to
The AI Act reaches anyone in the AI value chain whose system or its output lands in the EU. Your duties follow your role and the system's risk tier.
Providers develop an AI system or general-purpose model, or have one developed, and place it on the market or put it into service under their own name.
Deployers use an AI system under their own authority in a professional activity — which is most companies building on a third-party model.
Importers and distributors bring systems into or make them available on the EU market, with verification duties of their own.
Extraterritorial reach: providers and deployers established outside the EU are in scope when the system's output is used in the Union.
High-risk systems are those listed in Annex III — biometrics, critical infrastructure, education, employment, access to essential services such as credit and insurance, law enforcement, migration, and justice — and safety components of products regulated under Annex I.
Article 6(3) lets an Annex III system be treated as not high-risk when it poses no significant risk, for example because it performs a narrow procedural task — but never when it profiles people.
Requirements
What EU AI Act requires
What each tier asks for. High-risk obligations fall mostly on providers; deployers carry their own set.
Art. 5
Prohibited practices
Manipulative or exploitative techniques, social scoring, predicting crime from profiling alone, untargeted facial image scraping, emotion recognition at work or school, biometric categorisation by sensitive traits, and most real-time remote biometric identification in public spaces for law enforcement.
Art. 50
Transparency
Telling people they are interacting with an AI system, marking synthetic audio, image, video and text as AI-generated in a machine-readable way, disclosing emotion recognition and biometric categorisation, and labelling deep fakes.
Art. 9–15
High-risk system requirements
A risk management system, data governance, technical documentation, automatic logging, transparency to deployers, human oversight, and appropriate accuracy, robustness and cybersecurity.
Art. 16–17, 43
Provider obligations for high-risk systems
A quality management system, conformity assessment before placing on the market, CE marking, registration in the EU database, post-market monitoring and serious incident reporting.
Art. 26–27
Deployer obligations for high-risk systems
Using the system according to its instructions, assigning competent human oversight, monitoring operation, keeping logs, informing affected workers and people, and — for public bodies and certain private deployers — a fundamental rights impact assessment.
Art. 53–55
General-purpose AI models
Technical documentation, information for downstream providers, a copyright policy and a training-content summary — plus evaluation, risk mitigation and incident reporting for models with systemic risk.
Timeline
Dates and deadlines
The application dates as they stand after the Digital Omnibus on AI. Deferred obligations are deferred, not removed.
1 Aug 2024The AI Act enters into force
2 Feb 2025Article 5 prohibited practices apply
2 Aug 2025Obligations for general-purpose AI models apply
2 Aug 2026Article 50 transparency, enforcement powers and GPAI penalties
2 Dec 2026Marking grace ends for generative systems already on the market; new prohibited practices
2 Feb 2027Watermark detection interoperability for Code of Practice signatories
2 Dec 2027High-risk obligations for standalone Annex III systems
2 Aug 2028High-risk obligations for AI embedded in Annex I regulated products
Overlaps
How it fits with other frameworks
EU AI Act rarely arrives alone. Where it meets the other regimes you probably already run.
Most AI systems in scope also process personal data. The AI Act decides whether a system may be placed on the market and how it must disclose itself; the GDPR decides whether the processing is lawful at all. They stack.
A certifiable AI management system that gives you the governance the Act assumes — inventory, risk and impact assessment, oversight. It is not a harmonised standard and does not by itself give a presumption of conformity.
Product safety law
AI that is a safety component of a product already regulated under Annex I — machinery, medical devices, toys — goes through that product's conformity assessment, with AI Act requirements added.
High-risk systems must be cyber-resilient under Article 15. If the AI system is a product with digital elements, CRA conformity can count toward it.
On Noru
How Noru runs EU AI Act
The same control library, evidence vault and registers as the rest of your programme — not a separate project.
An AI register built from your code
The ai-inventory piece reads your repository for model calls, agents, prompts and evaluations, and pushes a manifest from CI. Each push lands as a new version, so the register describes what is actually deployed.
One finding per legal claim
Each system gets a classification and a finding for every claim the Act makes about it — Article 5, Article 50, its role and its risk tier — each carrying its own article and the date it becomes enforceable.
Decisions with a name and an expiry
Every classification arrives as a suggestion. A named person accepts, dismisses or reaffirms it, with a rationale and an expiry date, and a re-scan that contradicts an accepted claim opens a finding instead of rewriting the record.
The vendor that answers its own questions
Noru is an AI system you will put in your own register, so its commitments are contractual: your data is never used to train, fine-tune or evaluate a model, and every AI call runs under zero data retention terms.
Only part of it. The Digital Omnibus on AI, given final approval by the Council on 29 June 2026, moved the high-risk obligations to 2 December 2027 for standalone Annex III systems and 2 August 2028 for AI embedded in Annex I products. The Article 5 prohibitions and the general-purpose AI model duties kept their dates, and Article 50 transparency applied from 2 August 2026 as planned, with a grace period to 2 December 2026 for marking output from generative systems already on the market.
02
Does building on a third-party model make us a provider?
Not of the model itself: using a third-party model under your own authority usually makes you its deployer. You become a provider of the feature you build on it if you offer that feature to others under your own name, and of a high-risk system if you substantially modify it. The dividing line is who develops a system, or has it developed, and puts it on the market or into service under their own name.
03
How do we know whether an AI system is high-risk?
Check whether it is a safety component of a product covered by Annex I, or whether its intended purpose falls in one of the Annex III areas such as employment, credit scoring or education. An Annex III system can escape the high-risk tier under Article 6(3) if it poses no significant risk — but not if it profiles people — and you must document that assessment.
04
What does Article 50 require of a chatbot?
That people are told they are interacting with an AI system, unless it is obvious from the context. If the chatbot generates synthetic content, the provider must also ensure the output is marked in a machine-readable format as AI-generated.
05
What are the fines under the EU AI Act?
Up to €35 million or 7% of total worldwide annual turnover for prohibited practices, up to €15 million or 3% for most other obligations, and up to €7.5 million or 1% for supplying incorrect information to authorities — whichever is higher, except for SMEs, where the lower figure applies.
Primary sources
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