> Interoperability. Providers must implement an interoperability solution for watermark detection such as a standardized API access method, a publicly readable signpost mechanism embedded in content, or participation in a consortium detection solution by February 2, 2027

No idea why this was flagged to death. I vouched for it because it is a direct quote from the AI transparency act: https://theaicounsel.net/wp-content/uploads/2026/07/07_26_co... It clarifies interoperability requirements.