Business & Markets
California signs workplace laws limiting AI-led discipline and surveillance
The measures cover different uses of workplace technology. A human-review rule for discipline and termination begins July 1, 2027; separate laws add layoff disclosures and privacy limits.

Executive summary
- Four separate laws: Gov. Gavin Newsom signed SB 947, SB 951, AB 1331 and AB 1883 on September 30. Together they address automated discipline and termination decisions, technology-related layoff notices, and workplace surveillance; they have different scopes and effective dates.[1][2]
- Human review: SB 947 bars employers from relying solely on an automated decision system for discipline or termination. When an employer primarily relies on one, the law requires a human reviewer and employee notice. Bloomberg Law reports the measure takes effect July 1, 2027.[3][4]
- Limits and exclusions: The measures do not prohibit workplace AI generally. SB 951 adds technology-displacement details to qualifying Cal-WARN notices, while AB 1331 and AB 1883 restrict specified forms of workplace monitoring and AI-enabled surveillance.[5][6][7][2]
California Gov. Gavin Newsom signed four workplace-related bills on September 30: SB 947 on automated employment decisions, SB 951 on technology-related displacement notices, and AB 1331 and AB 1883 on workplace surveillance. The laws address different practices rather than creating a blanket ban on employers using artificial intelligence. The governor's signing announcement and the Associated Press describe the package as covering human review, layoff transparency and worker privacy.[1][2]
SB 947, the No Robo Bosses Act, prohibits an employer from relying solely on an automated decision system to make a disciplinary or termination decision. If an employer primarily relies on the system's output, it must direct a human to corroborate the decision with supporting data and give the affected employee notice. The enrolled text says the employer may not use the system's output for that decision if the reviewer cannot corroborate it or finds it inaccurate, incomplete or misleading. Bloomberg Law reports that SB 947 takes effect July 1, 2027. The statute leaves room for automated tools; it sets conditions around their use in consequential employment decisions.[3][4]
SB 951 changes the information required in certain notices under California's existing Worker Adjustment and Retraining Notification law. For a covered mass layoff, relocation or termination caused in whole or substantial part by AI or other automation, the notice must identify the affected job categories and locations, the work functions being automated, and the type of technology involved. The underlying Cal-WARN law generally covers establishments with at least 75 employees and requires 60 days' notice for a mass layoff of 50 or more employees; SB 951 adds a technology-displacement description to those qualifying notices rather than requiring a separate notice for every AI-related job change.[5]
AB 1331 bars employers, subject to specified exceptions, from using workplace surveillance tools to monitor or surveil employees in a workplace bathroom. AB 1883 separately restricts employers' use of AI-enabled workplace surveillance tools to collect neural data or recognize an employee's emotional state, also subject to exceptions. The distinction matters: AB 1331 addresses monitoring in a particular private space, while AB 1883 targets specified data and inferences made with AI surveillance.[6][7][1]
The bills are not one consolidated workplace-AI code. Each amends a different part of state law, defines its own covered conduct and provides separate enforcement mechanisms or exceptions. The full texts make the boundaries more specific than the governor's summary: SB 951 is tied to existing Cal-WARN notice triggers, while SB 947 applies to disciplinary and termination decisions and has a later effective date.[3][5][6][7][1]
The enactments put California's approach into statute as debate continues over whether companies should rely on voluntary AI-safety commitments or binding public rules. But they concern workplace decisions and surveillance, not the safety testing or development of frontier AI models. Whether the protections change employer practices will depend on implementation, enforcement and how agencies and courts interpret each law's scope.[1][2][4]