The Worker Adjustment and Retraining Notification Act (WARN Act) is a federal labor legislation to protect employees, their families, and communities from unexpected lay offs and employment loss. WARN Act requires employers with 100 or more employees to provide 60 calendar-day advance notification of plant closings and mass layoffs. The rules covering WARN Act vary in the different states of the United States. The related law of each state is discussed under the following state links.
Some states including California, Illinois, New Jersey, New York, and Wisconsin have specific legislation mirroring the WARN Act.