Guides · Article 50 · EU AI Act
How to add Content Credentials (C2PA) to AI output
Content Credentials — provenance metadata built on the C2PA specification — come up often when teams read Article 50(2) of the EU AI Act. This guide explains how they relate to the marking obligation and how teams commonly adopt them. It is informational only, not legal advice, and not an endorsement of C2PA or any other standard.
As with all of Article 50(2), the marking duty falls on the provider of the generating AI system, not on every downstream user of the content.
How C2PA relates to Article 50(2)
The regulation text asks providers of systems generating synthetic audio, image, video or text to ensure outputs are marked in a machine-readable format and detectable as artificially generated or manipulated, with solutions that are effective, interoperable, robust and reliable as far as technically feasible (Article 50(2), Regulation (EU) 2024/1689). The text describes qualities, not products, and does not mandate one technology.
C2PA-based Content Credentials are one way teams pursue that outcome: they attach a signed, machine-readable manifest describing how content was produced. They are a common approach, not a legally required method — the Act names no specific standard.
How teams commonly add them
- Decide which output types (image, audio, video, text) the manifest should cover.
- Attach the Content Credentials manifest at generation time so provenance travels with the output.
- Test how the manifest survives your real distribution paths — re-encoding, resizing, and screenshots can strip metadata.
- Consider pairing manifest metadata with a more embedded signal where robustness matters, since metadata alone may not survive every transform.
What providers document
Because Article 50(2) judges solutions by effectiveness, interoperability, robustness, and reliability so far as technically feasible, teams tend to record why Content Credentials fit those qualities for each output type, note the C2PA version tracked, and revisit the choice as the state of the art moves. Route the documentation to qualified counsel before relying on it.
Common questions
Does the EU AI Act require C2PA or Content Credentials?
No. Article 50(2) requires machine-readable, detectable marking of AI outputs but does not mandate one technology. C2PA-based Content Credentials are a common way teams approach that; whether they fit your system is fact-specific — confirm with qualified counsel.
See what may apply to your business
Answer seven quick questions for an automated, informational indication of which Article 50 obligations appear likely to apply — free, and not legal advice.