California SB 53 frontier-model transparency duties become operative
Concerns California SB 53
What this label means
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On this page 5 sections
In brief
California SB 53 frontier-model transparency duties become operative. Recorded for California (United States) on 1 January 2026. It concerns the California SB 53. Most provisions of the Transparency in Frontier Artificial Intelligence Act took effect, including the duty to publish a frontier AI framework and report critical safety incidents. Afterwards the instrument is recorded as in force.
- Date
- 1 January 2026
- Jurisdiction
- California (United States)
- Instrument
- California SB 53
- Impact
- High
- Status afterwards
- In force
- Official source
- California Legislative Information
What changed?
Most provisions of the Transparency in Frontier Artificial Intelligence Act took effect, including the duty to publish a frontier AI framework and report critical safety incidents.
What does it mean in practice?
Large frontier developers should now have a published framework and incident-reporting process.
Official source
SB 53 Transparency in Frontier Artificial Intelligence ActCalifornia Legislative Information · 29 Sep 2025
Cite this record
AIPolicyTracker (2026). “California SB 53 frontier-model transparency duties become operative” [AIPT-CHG-0121, record version 1, verified 26 September 2026 by Bhaskar Bhatt]. https://aipolicytracker.org/id/AIPT-CHG-0121 (accessed 8 November 2026). Data licensed CC BY 4.0.
Permanent id AIPT-CHG-0121: it never changes or gets reused, and its address keeps working if this page moves.
Cite the official text alongside it: SB 53 Transparency in Frontier Artificial Intelligence Act, California Legislative Information, https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260SB53.
BibTeX
@misc{aipolicytracker2026_californiasb53frontiermo,
author = {{AIPolicyTracker}},
title = {{California SB 53 frontier-model transparency duties become operative}},
year = {2026},
howpublished = {\url{https://aipolicytracker.org/changes/2026-01-01-california-sb-53-operative}},
url = {https://aipolicytracker.org/changes/2026-01-01-california-sb-53-operative},
urldate = {2026-11-08},
note = {Data licensed CC BY 4.0. Accessed 8 November 2026}
}
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