EU Commission Publishes AI Transparency Code of Practice
Summary
The European Commission published a voluntary AI Transparency Code of Practice on June 10, 2026, to guide generative AI system providers and deployers in complying with the EU AI Act's transparency obligations. This Code, developed by the EU Commission's AI Office, outlines provenance requirements for providers, mandating multi-layered marking approaches like metadata and imperceptible watermarks, alongside detection solutions that are effective, reliable, robust, and interoperable by February 2, 2027. Providers must ensure compliance for new systems by August 2, 2026, and existing ones by December 2, 2026. For deployers, the Code requires mandatory disclosure of deepfakes and AI-generated text on public interest matters, using a public EU icon or equivalent labels, with these obligations applying from August 2, 2026. Adherence to the Code creates a presumption of compliance, offering predictability and reduced administrative burden.
Key takeaway
For Directors of AI/ML or AI Architects developing generative AI systems for the EU market, you must audit your current marking and disclosure practices against the new Code. Implement multi-layered marking, including metadata and watermarks, and establish detection solutions by December 2, 2026. Plan for interoperability by February 2, 2027. Adhering to this voluntary Code offers a presumption of compliance, reducing regulatory burden and mitigating risks of non-compliance with the EU AI Act.
Key insights
The EU's AI Transparency Code provides a voluntary framework for marking and disclosing AI-generated content to ensure compliance with the AI Act.
Principles
- AI content marking requires multi-layered approaches.
- Detection solutions must be free, clear, and privacy-preserving.
- Transparency measures need effectiveness, reliability, robustness, and interoperability.
Method
Providers implement metadata and watermarks, offer detection solutions, and ensure interoperability. Deployers disclose deepfakes and public interest text using specified labels and documentation.
In practice
- Audit current marking and disclosure practices.
- Implement multi-layered marking and detection.
- Plan for interoperability by February 2027.
Topics
- EU AI Act
- AI Transparency Code
- Generative AI Marking
- Deepfake Disclosure
- AI Content Provenance
- Digital Watermarking
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Editorial summary, takeaway, and curation by AIssential. Original article published by The Data Advisor.