Article 50 of the EU AI Act turns a vague idea (be honest about AI) into concrete duties. Below is each requirement rewritten as something you can check off, plus the two mistakes that quietly break compliance even when a notice exists.
The requirements, as a checklist
| Requirement | What it means in practice |
|---|---|
| Disclose AI interaction | Tell users, at the first interaction, when they are dealing with an AI system rather than a person. |
| Label deepfakes | Mark image, audio, or video that has been artificially generated or manipulated to depict real people or events. |
| Mark synthetic output | Providers mark AI generated audio, image, video, and text as artificial, machine readable where feasible. |
| Flag public interest text | AI generated text published to inform the public on matters of public interest is disclosed as such. |
| Notice for biometrics | Emotion recognition and biometric categorisation are disclosed to the people exposed to them. |
Timing, language, accessibility
Meeting the letter of the rule is not enough if you miss the three qualities the law attaches to the disclosure:
- Timing. The notice must be given at the latest at the first interaction. A pop up that appears after a five message conversation is too late.
- Language and clarity. The disclosure has to be clear and understandable. For a German visitor, an English only banner is weak evidence of a clear disclosure.
- Accessibility. A person using a keyboard or a screen reader has to be able to perceive the notice, which rules out a low contrast line that no assistive technology announces.
The two silent failures
Two things trip up teams that think they are done:
- The notice goes stale. Guidance and recommended wording move. A static line pasted once in June does not update itself when the expectation shifts.
- No proof it ran. If a regulator or a customer asks, screenshots are weak. A timestamped record that the notice was actually shown is far stronger.
Common questions
Do I need a separate notice for each AI feature?
You need the right disclosure for each type of use. A chatbot needs the interaction notice, generated media needs a label. One widget can carry several of these.
Is a cookie banner enough?
No. A cookie banner is about tracking consent. Article 50 is a distinct duty to disclose the AI itself, at the first interaction.
Tick every box with one snippet
The widget covers the chatbot notice, localization, accessibility, and the evidence log so you are not chasing each requirement by hand.
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