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

Summary

Creates the Artificial Intelligence Safety Measures Act for large frontier AI developers. Covered developers must publish and annually update a frontier AI framework on catastrophic-risk assessment, mitigation, governance and cybersecurity, issue transparency reports before deploying new or substantially modified frontier models, report critical safety incidents, and retain an independent third party for an annual compliance audit conducted consistent with generally accepted auditing standards. Large frontier developers are those with annual gross revenue above $500 million. The Attorney General enforces the act, with civil penalties of up to $1 million for a first violation and $3 million for later ones. Signed July 6, 2026; effective January 1, 2027, with the framework and audit duties from January 1, 2028.

Key dates

1. July 6, 2026 (Governor approved)Enacted
2. October 16, 2026Checked against sources
3. October 21, 2026Checked against sources

Developments are added when the record is reviewed. Next review: October 16, 2027.

Evidence

Each passage is quoted from its source. The quoted passages are re-checked against the live pages every month.

1. 7/6/2026 Senate Governor Approved 7/6/2026 Senate Effective Date January 1, 2027 7/6/2026 Senate Public Act . . . . . . . . . 104-0538

   Supports: Approval date, effective date, Public Act number

   Creates the Artificial Intelligence Safety Measures Act. Defines terms. Requires large frontier developers to create, implement, publish, and annually update a frontier AI framework

   Supports: Act name and core duty

   Bill Status for SB 315: synopsis Illinois General Assembly Primary source

2. The act takes effect on January 1, 2027, with certain obligations, including the annual audit requirement, not going into effect until January 1, 2028.

   Supports: Staged effective dates

   A large frontier developer is subject to civil penalties of up to $1 million for an initial violation and up to $3 million for each subsequent violation

   Supports: Penalties

   "Large frontier developers": Frontier developers that, together with their affiliates, had annual gross revenue exceeding $500 million in the preceding calendar year.

   Supports: Revenue threshold

   Illinois Enacts AI Safety Law (penalties) Skadden, Arps, Slate, Meagher & Flom Reporting or analysis