Article 50 of the EU AI Act is three different implementation jobs, not one "AI badge" you can stamp on a site.

Article 50(1) — if an AI system talks with people, tell them that at the first interaction, clearly and in the interface itself.

Article 50(4) — if you publish a deep fake, add a visible or audible label people can perceive without a special tool.

Article 50(2) — if you provide a generative system, the output should carry a machine-readable mark. That mark is not a visible label.

The Commission's Article 50 guidelines, adopted 5 November 2026 (C(2026) 7702 final, paragraph 5; non-binding), are the practical reference for how those duties are being read. This article is general information for web teams, not legal advice.

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