AI Transparency Act (SB 942, SB 1000)
Latent disclosure: provider, system and version, time, unique ID, created or altered; free verification tool.
In short
- Where: California, United States
- Status: In force since 2 August 2026; an assistive-technology field in the disclosure by 1 January 2029
- Who: Anyone producing a GenAI system publicly accessible in California
- Covers: AI-generated content generally
- Kennmarq.com: covers images, video and audio today.
Updated 4 November 2026; source checked 4 November 2026. Sources are government sites. This page explains what Kennmarq.com does; it isn't legal advice.
What it asks of each kind of file
| File | What it asks | Kennmarq.com today |
|---|---|---|
| Images | provenance data naming the provider, and the AI system and its version | Covered |
| Video | provenance data naming the provider, and the AI system and its version | Covered |
| Audio | provenance data naming the provider, and the AI system and its version | Covered |
In the API
Send markets=us-ca on each call to POST /v1/mark: a call that lacks what the United States' rules need is refused before anything is counted, and each mark gets a receipt of what it carries for each law. The call must also send provider, app_name and app_version.
| File | Made with AI | A deep fake (deepfake=true) |
|---|---|---|
| Picture | Watermark and Content Credentials | Watermark and Content Credentials |
| Clip | Watermark and Content Credentials | Watermark and Content Credentials |
| Song | Watermark and Content Credentials | Refused for now: a song can't carry a visible label, and spoken notices for deep fakes aren't available yet: leave "deepfake" off for songs. |
Mark a picture for the United States
curl https://api.kennmarq.com/v1/mark \
-H "Authorization: Bearer $KENNMARQ_API_KEY" \
-F file=@image.png \
-F source=created \
-F provider="Acme Inc." \
-F app_name="Acme Studio" -F app_version="2.1" \
-F markets=us-ca \
-o image.marked.pngAn AI coding agent gets the same answer from the MCP tool get_requirements (MCP server).
Official text
- SB 942 (ch. 291, Stats. 2024)
- AB 853 (ch. 674, Stats. 2025)
- SB 1000 (ch. 861, Stats. 2026)
- Governor of California, signing of SB 1000 and AB 2713 (30 September 2026)