YouTube mandates C2PA metadata labeling for AI-generated videos, details data collection policies (support.google.com)

• AI-generated videos on YouTube will include C2PA provenance metadata.
• Google collects and stores AI feature prompts and outputs for up to 18 months.
• Human reviewers may access anonymized data to improve AI models.
• Avatar recordings are retained for 3 years unless deleted by user.

"YouTube requires that content created using its AI features (Veo, Gemini, Dream Track, etc.) include a valid C2PA manifest to indicate synthetic origin. Google collects prompts, outputs, and feedback to improve AI services, retaining account-connected data for up to 18 months and non-connected data for up to 3 years. Human reviewers may access anonymized data. Avatar recordings are stored securely and auto-deleted after 3 years. Users can manage data via My Activity."