Print PDF

WARN Employer's Guide to California and Federal Mass Layoff and Plant Closing Rules - 7th Edition


The Worker Adjustment and Retraining Notification Act (WARN) applies to virtually all employers throughout the country with 100 or more employees. The California rules in AB 2957 apply to covered establishments with 75 or more employees. The laws create advance notice rules that apply before a mass layoff or business closing can occur. This publication addresses notification obligations, exemptions, temporary projects, covered employers, sales of businesses, strikes and lockouts, employee notices, and enforcement provisions. To order this book, please visit


Practice Areas

Jump to Page

By scrolling this page, clicking a link or continuing to browse our website, you consent to our use of cookies as described in our Cookie and Advertising Policy. If you do not wish to accept cookies from our website, or would like to stop cookies being stored on your device in the future, you can find out more and adjust your preferences here.