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ARTICLE · 09 DECEMBER 2025

New Cal-WARN Act Notice Requirements

Weintraub Tobin Chediak Coleman Grodin Law Corporation
Explore more from Weintraub Tobin Chediak Coleman Grodin Law Corporation

California recently passed Senate Bill 617 which requires additional information to be provided in Cal-WARN Act notices issued on or after January 1, 2026.

United StatesEmployment and HR
Ryan E. Abernethy
Ryan E. Abernethy

California recently passed Senate Bill 617 which requires additional information to be provided in Cal-WARN Act notices issued on or after January 1, 2026.

As a brief background, there are federal and state laws which discuss the issue of notice owed to employees before large layoffs. The Federal law is known as the Worker Adjustment and Retraining Notification or "WARN" Act. California's version of the WARN act (AB 2957, the "Cal-WARN Act") contains additional provisions employers must be aware of. Cal-WARN Act notices are required if a "covered" establishment suffers a "mass layoff" or 50 or more employees, a "termination" of substantial operation, or a "relocation" to a different location 100 or more miles away. (Cal. Labor Code §§1400.5(d)-(f).) The notices must be sent to affected employees, the state Employment Development Department ("EDD"), and other local agencies. See our prior articles addressing these requirements in more detail here, as well as the

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