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EU AI Act transparency rules take effect — with fines up to €15M or 3% of turnover

From August 2, providers and deployers of certain AI systems must meet new disclosure obligations under Article 50, following European Commission guidelines adopted in July.

August 2, 2026 · 3 min read · HowToPrompts Newsroom

The EU AI Act's transparency obligations became enforceable on August 2, requiring providers and deployers of covered AI systems to meet disclosure rules laid out in Article 50 — covering things like clearly labeling AI-generated content and disclosing when users are interacting with a chatbot rather than a person.

The European Commission adopted formal guidelines on the obligations on July 20, giving companies a narrow runway to adjust before enforcement began. Penalties are steep even by EU standards: up to €15 million or 3% of a company's worldwide annual turnover, whichever is higher.

It's the AI Act's most consequential compliance deadline since general-purpose model obligations kicked in the previous year, and the first one that reaches deployers — not just the labs building frontier models — putting real obligations on any company shipping an AI-powered product to EU users.

Written in-house by the HowToPrompts newsroom, in our own words. The story was first reported by Cooley.