# Artificial Intelligence Safety Measures Act (SB 315, Public Act 104-0538)

- **Jurisdiction:** Illinois (US-IL)
- **Type:** Law · **Status:** Enacted, not yet in force · **Binding:** yes
- **Issued by:** Illinois General Assembly / Governor
- **Proposed:** — · **Adopted:** 6 Jul 2026 · **Effective:** 1 Jan 2027
- **Next milestone:** 1 Jan 2028: Large frontier developers must publish frontier AI frameworks; audit and reporting duties begin
- **Obligations:** Frontier model safety, Transparency to users, Incident reporting, Security testing, Registration or filing, Penalties
- **Sectors:** All sectors
- **Penalties:** Civil penalties up to $1 million for a first violation and $3 million for subsequent violations, enforced by the Attorney General; no private right of action

## Summary
Requires large frontier developers (over $500M revenue; models trained above 10^26 operations) to publish and annually update a frontier AI framework, issue transparency reports before deployment, protect unreleased model weights, report critical safety incidents within 72 hours (24 hours for imminent threats) and file annual disclosures with the Illinois Emergency Management Agency. It is the first US law to require annual independent third-party audits of frontier developers.

## Why it matters
Adds a third state frontier-AI regime (after California and New York) and the first with mandatory third-party audits.

## Source
[Illinois General Assembly](https://www.ilga.gov/Legislation/BillStatus?DocNum=315&GAID=18&DocTypeID=SB&SessionID=114) · [secondary](https://www.hunton.com/privacy-and-cybersecurity-law-blog/illinois-governor-signs-frontier-ai-model-law)
Checked against the source on 4 Oct 2026. Act effective 1 Jan 2027; core framework duties from 1 Jan 2028 (per secondary summaries).

## Cite
Artificial Intelligence Safety Measures Act (SB 315, Public Act 104-0538). Illinois General Assembly / Governor. Status: Enacted, not yet in force. wheresthe.ai, https://wheresthe.ai/rule/us-il-sb315-ai-safety-measures-act-2026/ (verified 4 Oct 2026).

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Canonical page: https://wheresthe.ai/rule/us-il-sb315-ai-safety-measures-act-2026/ · Not legal advice.