The Worker Adjustment and Retraining Notification Act (WARN) was enacted on August 4, 1988 and became effective on February 4, 1989.

General Provisions

WARN offers protection to workers, their families and communities by requiring employers to provide notice 60 days in advance of covered plant closings and covered mass layoffs. This notice must be provided to either affected workers or their representatives (e.g., a labor union); to the State dislocated worker unit; and to the appropriate unit of local government.

Employer Coverage

In general, employers are covered by WARN if they have 100 or more employees, not counting employees who have worked less than 6 months in the last 12 months and not counting employees who work an average of less than 20 hours a week. Private, for-profit employers and private, nonprofit employers are covered, as are public and quasi-public entities which operate in a commercial context and are separately organized from the regular government. Regular Federal, State, and local government entities which provide public services are not covered.

Employee Coverage

Employees entitled to notice under WARN include hourly and salaried workers, as well as managerial and supervisory employees. Business partners are not entitled to notice.

What Triggers Notice

Plant Closing: A covered employer must give notice if an employment site (or one or more facilities or operating units within an employment site) will be shut down, and the shutdown will result in an employment loss (as defined later) for 50 or more employees during any 30-day period. This does not count employees who have worked less than 6 months in the last 12 months or employees who work an average of less than 20 hours a week for that employer. These latter groups, however, are entitled to notice (discussed later).

Mass Layoff: A covered employer must give