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Who must comply with the EU AI Act? The Act can apply to providers that place AI systems or general-purpose AI (GPAI) models on the EU market, to organizations that deploy AI under their authority, and to certain other value-chain actors. A company outside the EU can still be in scope when it places a model or system on the Union market. The duties depend on the actor’s legal role, the system and its purpose, where it is supplied or used, and the date that provision applies. Maximum penalties reach the higher of fixed euro amounts or a percentage of worldwide annual turnover, but those are statutory ceilings rather than automatic fines. This FAQ explains the practical classification, deadlines, obligations and enforcement process described by the European Commission as of 25 October 2026.
Who must comply with the EU AI Act?
The Act is role-based. Start by identifying who developed or supplies the system, who uses it, and whether a model or system is placed on the EU market or used in the EU. The same organization can be a provider for one product and a deployer for another.
Providers
A provider is a natural or legal person that develops an AI system, or has one developed, and places it on the market or puts it into service under its own name or trademark. Provider obligations change with the system’s category. For a high-risk system, the provider must complete the required conformity assessment before market placement or putting the system into service and remains responsible for compliance throughout the system’s lifecycle.
Deployers
A deployer is a person, company, public authority, agency or other body that uses an AI system under its authority. The definition covers professional and economic use, including regular use in a business, trade, occupation or freelance activity. Employees who use a system under their organization’s instructions and control are not separate deployers for that organizational use. Purely personal, non-professional activity is excluded from the Commission’s Article 50 definition.
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GPAI model providers
Providers that supply general-purpose AI models have model-specific duties. The Commission’s guidance explains that the provider concept can include an entity established outside the EU when it places a GPAI model on the Union market. Capability and compute indicators discussed in guidance can help with scoping, but they do not replace applying the full legal definition to the particular model and supply arrangement.
Other value-chain actors
Importers, distributors and organizations that substantially modify, rebrand or repurpose a system can acquire duties associated with their legally defined role. A company cannot determine its status from the fact that it bought an AI tool; it must examine what it changed, whose name appears on the system and how the system is supplied.
Does the EU AI Act apply to my company?
Use five questions to make an initial scope map. This is a triage method, not an individualized legal opinion; the binding regulation and current Commission guidance control a final classification.
- What is your role? Record whether you are a provider, deployer, GPAI model provider, importer, distributor or another defined actor.
- Where is the system or model supplied? Note whether it is placed on the EU market or put into service there, and where the organization using it is established.
- What does it do? Describe the system’s purpose, affected people and operating context rather than relying on a marketing label such as “assistant” or “automation.”
- Which category fits? Check for a prohibited practice, a specified high-risk use, a transparency trigger, a GPAI model obligation or another applicable rule.
- When does that rule apply? Match the category to its application date and any transition for systems or models already on the market.
| Decision axis | Questions to document | Why it changes compliance |
|---|---|---|
| Role | Who developed, branded, supplied or operates the system? | Provider, deployer and GPAI duties are different. |
| Use and risk | What decision or interaction does the AI support, and who may be affected? | Purpose determines whether prohibited, high-risk or transparency rules are triggered. |
| Market and geography | Where is the system or model placed on the market or used? | Establishment outside the EU does not by itself settle scope. |
| Date | When was the system or model supplied, and which provision is in force? | The Act is phased and includes limited transitions. |
| Authority and evidence | Which authority supervises the activity, and what records exist? | Supervision, notices, technical files, oversight and incident processes depend on the category. |
What does a high-risk AI provider have to do?
High-risk providers carry the most extensive system-level preparation duties. Before placing a qualifying system on the EU market or putting it into service, the provider must complete the applicable conformity assessment. It must also operate a quality-management system, register the system where registration is required, and maintain the evidence needed to show compliance.
- Risk and quality controls: establish documented processes for risk management and quality management that cover the system’s lifecycle.
- Technical and user information: prepare the technical documentation and instructions needed for lawful operation and oversight.
- Post-market monitoring: collect and assess information about operation after deployment, including relevant performance and risk signals.
- Serious incidents and corrective action: investigate reportable incidents and take corrective measures, including withdrawal or modification where necessary.
- Registration: complete any required EU database registration before the relevant market or service step.
The provider remains accountable after launch; passing a pre-market assessment is not a one-time release from responsibility.
What must deployers do with high-risk systems?
Deployers must use the system according to the provider’s instructions and operate controls that keep its use within the documented purpose. They must monitor operation, act on identified risks and assign a human-oversight person who has the authority, competence and resources to intervene.
- Keep operating procedures aligned with the provider’s instructions and the system’s intended purpose.
- Give the designated human overseer enough training, time and access to stop, override or otherwise control the system when needed.
- Monitor performance and unusual outputs, preserve relevant logs where required, and escalate serious incidents or malfunction.
- Apply additional impact-assessment, registration or information duties when the deployer is a public authority, provides a public service, uses the system in the workplace or makes certain decisions about individuals.
The deployer’s responsibility is operational: a vendor’s conformity work does not remove the customer’s duty to use and supervise the system correctly.
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Baseline GPAI-provider duties focus on transparency and responsible supply. Providers must prepare technical documentation, implement a copyright policy and publish a sufficiently detailed summary of the training content. These requirements apply to the model provider role rather than to every business that merely calls a hosted model through an application.
Providers of models presenting systemic risk face additional requirements. The Commission describes notification, model-level risk assessment and mitigation, serious-incident reporting and cybersecurity protections. A downstream application developer may have separate provider or deployer duties for its own system, but that does not automatically make it the GPAI model provider.
When do the EU AI Act rules apply?
The Commission describes a staged implementation. Dates below are the milestones stated in its implementation overview and related FAQs; check the current regulation and official text for the category that matches your system.
| Milestone | Commission date | Practical meaning |
|---|---|---|
| Prohibited practices and AI-literacy provisions | 2 February 2025 | These provisions are already applicable as of 25 October 2026. |
| GPAI model-provider obligations | 2 August 2025 | Models placed on the market before that date have a transition described through 2 August 2027. |
| Article 50 transparency rules and related enforcement powers | 2 August 2026 | Informing people about certain AI interactions and marking or labeling specified content becomes operational, subject to limited transition rules. |
| High-risk use cases in specified Annex III areas | 2 December 2027 | Confirm that the use case is in the relevant list and follow the current implementation text. |
| AI embedded in regulated products | 2 August 2028 | Additional high-risk rules apply to systems embedded in products covered by the relevant product-safety legislation. |
For certain marking obligations, the Commission’s Article 50 FAQ describes a limited transition for qualifying systems placed on the market before 2 August 2026, with compliance due by 2 December 2026. The transition is not a blanket extension for every transparency duty.
What transparency duties apply under Article 50?
Article 50 covers several different situations rather than one universal “AI disclosure” rule. Providers of systems that interact directly with people must inform the person that they are interacting with AI, unless the context makes that obvious. Other provisions concern machine-readable marking of certain AI-generated or manipulated content.
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Deployers can have additional duties when using emotion-recognition or biometric-categorization systems, and when generating or manipulating deepfakes or certain text published on matters of public interest. The notice or label must be provided in the manner and at the time required for the particular use. A generic statement in a privacy policy is not necessarily a substitute for an interaction-level disclosure.
What are the penalties for violating the EU AI Act?
The Commission lists maximum administrative penalty ceilings. The applicable amount is the higher of the stated euro figure or the stated percentage of the offender’s total worldwide annual turnover for the relevant category.
| Infringement category | Maximum ceiling | Important qualification |
|---|---|---|
| Prohibited AI practices | €35 million or 7% of worldwide annual turnover, whichever is higher | Statutory maximum, not an automatic or typical fine. |
| Other breaches, including GPAI obligations | €15 million or 3% of worldwide annual turnover, whichever is higher | The authority assesses the facts and proportionality. |
| Failure to comply with an information request, or supplying incorrect, incomplete or misleading information in an AI-system case | Up to €7.5 million or 1% of worldwide annual turnover, whichever is higher | This ceiling addresses cooperation and information failures. |
Authorities determine the actual sanction by considering the infringement’s nature, gravity and duration. Proportionality can be taken into account for small and medium-sized enterprises and small mid-cap companies when applying Article 50 penalties. No available Commission material establishes a typical fine or the frequency with which each ceiling is imposed, so the maximums should not be presented as expected outcomes.
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Who enforces the Act and what can investigators do?
Enforcement is shared rather than assigned to one EU-wide inspectorate. The European Commission states that responsibility is divided among the Commission’s AI Office, the European Data Protection Supervisor and national competent authorities designated by Member States.
- AI Office: handles GPAI providers and specified related systems.
- National competent authorities: supervise other AI systems under the Member States’ designated arrangements.
- European Data Protection Supervisor: covers AI systems used by EU institutions.
Investigative and corrective tools can include information requests, model evaluations, requests for access, inspections or interviews in the contexts allowed by the Act, corrective measures and sanctions. An organization should therefore preserve a clear record of its classification, instructions, oversight, monitoring, incident handling and communications rather than waiting for an inquiry to reconstruct them.
What should a company do before its next AI deployment?
A practical compliance project can be organized into the following sequence.
- Inventory systems and models: list internally built tools, purchased software, embedded features, APIs and models used by employees or contractors.
- Assign roles: identify the provider, deployer and any importer, distributor or substantial modifier for each item. Record who controls the use and whose name appears on the product.
- Describe purpose and affected people: document the decision, recommendation or interaction, the sector, the users and the people who may be affected.
- Map dates: connect each category to its application date and any transition, with an owner responsible for checking updates to the official text.
- Build evidence: retain technical documentation, instructions, risk assessments, training records, human-oversight assignments, logs, notices, monitoring results and incident reports as applicable.
- Test controls in operation: verify that staff receive required information, overseers can intervene, content labels are machine-readable where required, and escalation routes work in practice.
- Review continuously: reassess a system when its purpose, model, data, branding, deployment geography or level of autonomy changes.
The AI Act is not the only legal regime that may matter. Data-protection, product-safety, employment, consumer-protection and sector-specific rules can apply alongside it. A classification that satisfies the AI Act does not automatically resolve those other obligations.
What are the most common classification mistakes?
- Treating every user as a provider: calling an external model through an API does not alone establish that the customer supplies the GPAI model.
- Assuming “EU company” is the only scope test: an organization outside the EU can be covered when it places a model or system on the Union market.
- Using the product name instead of the purpose: the same technical capability can fall into different categories depending on how and where it is used.
- Stopping after procurement: a deployer still has operating, monitoring and human-oversight duties even when a supplier performed its own assessment.
- Confusing a deadline with a grace period: a transition may apply only to a specified pre-existing system or marking obligation, not to every duty in the Act.
- Quoting the largest fine as the expected result: the published figures are ceilings, and the authority must assess proportionality and the facts.
What is the practical answer for a small business?
A small business should not assume that size removes every duty. It should identify whether it is using AI professionally, whether the system makes or supports a regulated decision, whether it supplies a product under its own name, and whether Article 50 disclosure or another specific obligation applies. The Commission’s penalty framework allows proportionality considerations for SMEs and small mid-cap companies in Article 50 cases, but that is not an exemption from classification, safe operation or cooperation with authorities.
For a fact-specific determination, preserve the system documentation and obtain advice that covers the AI Act together with data protection, employment and sector requirements. Official Commission guidance helps interpret the framework, while the binding regulation and applicable national arrangements control enforcement.
Frequently asked questions
Does using a consumer chatbot at home make me a deployer?
The Commission’s Article 50 definition excludes personal, non-professional activity. Regular use for business, trade, occupational or freelance purposes can instead be treated as deployment, so the context and authority under which the tool is used matter more than whether the service is marketed to consumers.
Can a non-EU startup be fined under the EU AI Act?
Potentially, yes. A provider established outside the EU can fall within the GPAI provider concept when it places a model on the Union market. The responsible authority and available sanction depend on the model or system, the alleged breach and the enforcement allocation for that activity.
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The Commission’s overview describes administrative penalty ceilings and corrective powers. Whether another legal regime creates criminal or civil exposure is a separate question and cannot be answered from the AI Act penalty table alone.
Do AI Act duties replace GDPR compliance?
No. The AI Act operates alongside data-protection law. A system can satisfy an AI Act requirement and still need a lawful processing basis, data-subject safeguards, security controls or a workplace assessment under other rules.
Where can an organization verify a disputed classification?
Start with the current text of the EU AI Act and the European Commission’s role, GPAI, high-risk, transparency and enforcement guidance. For a live deployment, keep a written rationale, identify the supervising authority for the case and obtain qualified legal advice when the classification or transition is uncertain.
Frequently Asked Questions
Does using a consumer chatbot at home make me a deployer?
The Commission’s Article 50 definition excludes personal, non-professional activity. Regular use for business, trade, occupational or freelance purposes can instead be treated as deployment, so the context and authority under which the tool is used matter more than whether the service is marketed to consumers.
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Can a non-EU startup be fined under the EU AI Act?
Potentially, yes. A provider established outside the EU can fall within the GPAI provider concept when it places a model on the Union market. The responsible authority and available sanction depend on the model or system, the alleged breach and the enforcement allocation for that activity.
Are the AI Act’s penalties criminal sentences?
The Commission’s overview describes administrative penalty ceilings and corrective powers. Whether another legal regime creates criminal or civil exposure is a separate question and cannot be answered from the AI Act penalty table alone.
Do AI Act duties replace GDPR compliance?
No. The AI Act operates alongside data-protection law. A system can satisfy an AI Act requirement and still need a lawful processing basis, data-subject safeguards, security controls or a workplace assessment under other rules.
Where can an organization verify a disputed classification?
Start with the current text of the EU AI Act and the European Commission’s role, GPAI, high-risk, transparency and enforcement guidance. For a live deployment, keep a written rationale, identify the supervising authority for the case and obtain qualified legal advice when the classification or transition is uncertain.
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