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The enforcement architecture

Who enforces the EU AI Act

Three layers. The Commission, through the AI Office, enforces against providers of general purpose AI models and nobody else may. National market surveillance authorities enforce everything else. The European Data Protection Supervisor enforces against the Union's own institutions. Data protection authorities enforce the GDPR against the same systems in parallel.

The gap between that architecture and what is happening is the story. Every AI enforcement action recorded on this tracker was taken by a data protection authority or by the Commission under the Digital Services Act. Not one was taken by a designated AI Act market surveillance authority, because 15 of the 27 member states have designated one in national law and none of them has yet acted.

Layer

Union level

  • Exclusive competence over providers of general purpose AI models under Article 88, expanded by the Digital Omnibus to AI systems built on a general purpose model by the same provider and to AI in or constituting a very large online platform or search engine under the Digital Services Act.

    Maximum penalty: 15 million euro or 3 percent of worldwide annual turnover, whichever is higher (Article 101)

  • Enforces the Digital Services Act against designated platforms, which is currently the fastest route to a generative AI system embedded in a large consumer service.

    Maximum penalty: 6 percent of worldwide annual turnover (Digital Services Act)

  • Coordinates national authorities, issues opinions and guidelines, and runs the taskforces that set the common European position on AI systems.

    Maximum penalty: No fining power of its own

  • Supervises the Union's own institutions, including when they place on the market or use AI systems, and can fine them under Article 100 of the AI Act.

    Maximum penalty: 1.5 million euro on a Union institution (AI Act Article 100)

Layer

National AI Act authorities

  • Bundesnetzagentur

    Germany0 actions on record

    Market surveillance for AI systems placed on the German market, and the German notifying authority, operating alongside the sectoral supervisors that keep their own competences.

    Maximum penalty: 35 million euro or 7 percent of worldwide turnover for prohibited practices (AI Act Article 99(3))

  • Spain's market surveillance authority for AI systems, a purpose built agency rather than a role added to an existing regulator.

    Maximum penalty: 35 million euro or 7 percent of worldwide turnover for prohibited practices (AI Act Article 99(3))

  • Italy's market surveillance authority for AI systems, sitting alongside the Garante, which continues to enforce the GDPR against the same systems.

    Maximum penalty: 35 million euro or 7 percent of worldwide turnover for prohibited practices (AI Act Article 99(3))

Layer

Data protection authorities acting in parallel

  • Enforces the GDPR in Italy. By a distance the most active European authority on AI systems, and the first to cite an AI Act prohibition in a published decision.

    Maximum penalty: 20 million euro or 4 percent of worldwide annual turnover (GDPR Article 83)

  • Enforces the GDPR in France, with a published AI action plan and recommendations on the development of AI systems.

    Maximum penalty: 20 million euro or 4 percent of worldwide annual turnover (GDPR Article 83)

  • Enforces the GDPR in the Netherlands and publishes a recurring algorithmic risk report.

    Maximum penalty: 20 million euro or 4 percent of worldwide annual turnover (GDPR Article 83)

  • Lead supervisory authority under the GDPR one stop shop for controllers whose main establishment is in Ireland, which is where most large AI providers place their European entity.

    Maximum penalty: 20 million euro or 4 percent of worldwide annual turnover (GDPR Article 83)

  • Datenschutzbehörde

    Austria1 action on record

    Enforces the GDPR in Austria and handles the complaints filed there against generative AI providers.

    Maximum penalty: 20 million euro or 4 percent of worldwide annual turnover (GDPR Article 83)

Answers

Questions about AI Act enforcement authorities

Who enforces the EU AI Act?

The European Commission, through the AI Office, has exclusive competence over providers of general purpose AI models under Article 88 and can fine them under Article 101. National market surveillance authorities designated under Article 70 enforce everything else. The European Data Protection Supervisor enforces against the Union's own institutions under Article 100. Data protection authorities enforce the GDPR in parallel against the same systems.

Is the EU AI Office a regulator?

Yes, for general purpose AI models. The AI Office sits inside DG CONNECT and holds the Commission's exclusive competence under Article 88. It can request information under Article 91, evaluate models including access to source code under Article 92, require measures up to withdrawal from the market under Article 93, and fine under Article 101, with an interim measures procedure set by Implementing Regulation (EU) 2026/1755.

Which authority has taken the most action against AI systems in Europe?

The Italian data protection authority, the Garante, by a distance. It has taken more tracked actions against AI systems than any other European authority, including the first order taking a generative AI service offline, the largest number of fines against AI providers, and the first published European decision to invoke a prohibition in Article 5 of the AI Act. It is not Italy's designated AI Act market surveillance authority; that is ACN.

Every member state's designation status, authority and legal basis: the country register.

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In a sentence
According to the GAGE EU AI Act Enforcement Tracker (as of 20 August 2026), who enforces the eu ai act.
APA
GAGE (Global Academy of Generative-AI Education). (2026). Who enforces the EU AI Act. EU AI Act Enforcement Tracker. Retrieved 20 August 2026, from https://www.gage.academy/tools/eu-ai-act-enforcement-tracker/authorities
MLA
"Who enforces the EU AI Act." EU AI Act Enforcement Tracker, GAGE (Global Academy of Generative-AI Education), 20 August 2026, https://www.gage.academy/tools/eu-ai-act-enforcement-tracker/authorities.
Chicago
GAGE (Global Academy of Generative-AI Education). "Who enforces the EU AI Act." EU AI Act Enforcement Tracker. Last modified 20 August 2026. https://www.gage.academy/tools/eu-ai-act-enforcement-tracker/authorities.
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Last updated . Every record re verified . The tracker is checked every Monday, and the same day for any action under the AI Act.