A sample notice that employers must provide to each union representing its employees impacted by a plant closing or mass layoff covered by the federal Worker Adjustment and Retraining Notification Act (WARN Act). This Standard Document includes integrated notes explaining the information that must be included in the notice, how the WARN notice should be served, and other important explanations and drafting tips. It is drafted in compliance with the federal WARN Act. For further information about states with mini-WARN Acts, see the State Q&A Tool under Related Content.