AI Regulation · California
Transparency in Frontier AI Act
SB 53 - enacted in California.
- Enacted
- Status
- 2025
- Enacted
- 6
- States with ai regulation laws
- 100/100
- California strictness
The bottom line
Transparency in Frontier AI Act is an enacted law in California, part of a still-emerging ai regulation landscape.
- Enacted
- effective 2025-09-01
- 6
- states have ai regulation laws
- 10/10
- ai regulation laws enacted nationally
- 100/100
- California strictness score
Data compiled 2026-03-18 from the official California legislative record linked below; laws can be amended or repealed after this date.
Regulatory Snapshot: Transparency in Frontier AI Act
Transparency in Frontier AI Act (SB 53) is an enacted law in California under the AI Regulation category. It was enacted on 2025-09-09 and becomes effective on 2025-09-01. California currently reports 12 tracked regulations with 12 already in force, giving the state a regulatory strictness score of 100/100 relative to the national baseline. PlainRegWatch compiled this entry's data on 2026-03-18; consult the linked official source for the current, authoritative text.
Nationally, 10 ai regulation statutes have been enacted and 0 additional bills remain pending - 6 distinct jurisdictions have codified rules in this area so far. That places California within a still-emerging ai regulation landscape where compliance programs typically hinge on definitions in SB 53 itself.
Applicability under Transparency in Frontier AI Act: Frontier AI developers with $500M+ annual revenue. Penalty exposure is documented as: AG enforcement. Notable exemptions: Smaller companies. Non-frontier models. Academic research..
Summary
Frontier AI developers ($500M+ revenue) must publish safety reports.
Key Requirements
Annual transparency reports. Safety evaluation disclosure. Risk management frameworks. Incident reporting.
Penalties
AG enforcement.
Applicability
Frontier AI developers with $500M+ annual revenue.
Exemptions
Smaller companies. Non-frontier models. Academic research.
How California compares on ai regulation
6 states regulate ai regulation - California ranks #1 by overall regulatory strictness. Bar = state strictness score (0–100).
Frequently Asked Questions
Which states have ai regulation regulations?
As of the last verification, 6 states have enacted ai regulation regulations, with 0 additional bills pending across other states. California is among the states that has enacted such legislation. Browse all ai regulation regulations at plainregwatch.com for the complete state-by-state comparison.
When was Transparency in Frontier AI Act enacted?
Transparency in Frontier AI Act was enacted on 2025-09-09 and became effective on 2025-09-01. It was introduced as SB 53.
What are the penalties for violating Transparency in Frontier AI Act?
AG enforcement. Note that enforcement mechanisms and penalty structures may vary. Consult the official statute and qualified legal counsel for specific compliance requirements.
Does Transparency in Frontier AI Act apply to small businesses?
Frontier AI developers with $500M+ annual revenue. Many state regulations include thresholds or exemptions for smaller organizations. Review the full applicability criteria and consult legal counsel to determine your obligations.
How does California compare to other states on ai regulation?
California has a regulatory strictness score of 100/100, based on 12 enacted regulations out of 12 tracked. Nationally, 6 states have enacted ai regulation laws. Visit our state comparison page for a full ranking.
Where can I read the full text of Transparency in Frontier AI Act?
The official text of Transparency in Frontier AI Act (SB 53) is available from the California legislature. PlainRegWatch links to the official source for every tracked regulation. We recommend reviewing the full statute alongside qualified legal counsel for compliance planning.
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Disclaimer: This summary is provided for informational purposes only and does not constitute legal advice. Regulation details may have changed since this data was compiled (2026-03-18). Always consult official sources and qualified legal counsel for compliance guidance.
More California Regulations
The bottom line
This law is already in force - here's what matters for ai regulation compliance.
- Transparency in Frontier AI Act is enacted in California, effective 2025-09-01. Official source
- 6 states now regulate ai regulation; California ranks #1 by strictness - compare requirements before you operate across state lines. Compare states
- See every regulation California tracks across all five policy areas. California profile
Summaries are general information, not legal advice; always confirm against the official statute and qualified counsel.
Read our methodology - how this data is sourced, computed, and verified.
Related
Verify with the official California source →
Every figure on PlainRegWatch is rendered directly from state source data, no number is typed in by an editor. This page draws directly on federal and state source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.