Rules / Illinois

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

Enacted, not yet in forceLawBinding

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.

What it requires

Frontier model safetyTransparency to usersIncident reportingSecurity testingRegistration or filingPenalties

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

SourceIllinois General Assembly: https://www.ilga.gov/Legislation/BillStatus?DocNum=315&GAID=18&DocTypeID=SB&SessionID=114Secondary: 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 this record

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).

Line of Thought

Developments connected to this rule

What has happened that this rule shapes, or that shapes it. Pick one to keep following the thread.

More from Illinois