Jobs & Layoffs · Explainer
How WARN notices work
The federal WARN Act requires large employers to give written notice 60 days before a plant closing or mass layoff. The thresholds, the exceptions and the remedy, from the Labor Department’s own guide for workers.
A layoff announcement usually reaches the public in one of two documents. One is the company's own statement or securities filing. The other is a WARN notice, a letter the law requires large employers to send 60 days before a plant closing or a mass layoff, which the state then posts. The WARN notice is the more useful of the two for the people affected, because it names the site, the number of jobs and the date.
Who is covered
The Worker Adjustment and Retraining Notification Act applies to employers of a certain size, and the Department of Labor's guide for workers sets out the profile. A covered employer is a business with 100 or more full-time workers, not counting workers with less than six months on the job or those working fewer than 20 hours a week, or one that employs 100 or more workers who together work at least 4,000 hours a week. Private for-profit businesses, private non-profits and quasi-public entities separately organized from government are covered; federal, state and local government are not.
What triggers a notice
Two events. A plant closing is the shutdown of a single site of employment, or a unit within it, that costs 50 or more full-time workers their jobs. A mass layoff is a layoff at a single site that affects either 50 to 499 full-time workers, where that is at least 33 percent of the site's full-time workforce, or 500 or more full-time workers regardless of percentage. The guide's glossary is precise about what counts as a single site and what counts as an employment loss, and those definitions decide a good many disputes.
The notice itself
A covered employer must give written notice 60 calendar days before the closing or layoff to the affected workers, or to their union representative where there is one, and also to the state's dislocated worker unit and to the chief elected official of the local government. The state postings that this desk tracks, listed on the WARN notices by state tracker, are those notices to the state.
The notice has to say whether the action is permanent or temporary, the expected date of the first separation and the schedule after it, the job titles and the number of affected workers in each, and who to contact for more information.
The exceptions
WARN allows less than 60 days' notice in three situations, and the guide describes each: a faltering company that was actively seeking capital or business that would have avoided the closing, and reasonably believed that giving notice would have prevented it; business circumstances that were not reasonably foreseeable when notice would have been required; and a natural disaster. Even then the employer must give as much notice as it can and explain why the full period was not given. Strikes, lockouts, temporary projects ending and the closing of temporary facilities are outside the Act.
What the remedy is
WARN is enforced by workers, not by the Department of Labor. If an employer fails to give the required notice, the guide explains that affected workers may seek damages for back pay and benefits for up to 60 days, depending on how many days' notice they actually received, together with a civil penalty for failing to notify the local government. The claim is brought in federal court, often as a class action, and the amounts are reduced by wages and benefits paid during the period.
That is why many employers pay in place of notice. An employee who is told today that the job ends today, with 60 days' pay and benefits, has received what the Act would award, and the guide notes that this approach generally means the employer has already met the penalty specified in the Act.
State laws that go further
Several states have their own notification laws with lower thresholds, longer periods or broader coverage than the federal Act, and an employer covered by both must satisfy both. The state tracker notes where a state's rule differs from the federal one alongside the link to its postings. When a layoff makes the news, the layoffs tracker records what the company filed with the SEC and what appeared in a state WARN listing, which are the two documents that fix the facts.
What to do
- If you received a WARN notice, note its date; the 60 days run from the date of the notice, and pay in place of notice satisfies the Act. Official link
- Check your state’s WARN listing to see the notice your employer filed and the affected count. Official link
- If no notice was given and the thresholds appear to be met, the remedy is a civil claim; the Labor Department does not enforce WARN itself. Official link
Questions readers ask
- Which employers are covered by the WARN Act?
- Businesses with 100 or more full-time workers, not counting those with under six months’ service or under 20 hours a week, or with 100 or more workers whose hours add up to 4,000 a week. Government employers are not covered.
- What can I claim if my employer gave no WARN notice?
- Back pay and benefits for up to 60 days, depending on how many days’ notice you actually received, through a civil claim in federal court. The Labor Department does not enforce WARN itself.
- Does 60 days’ pay instead of notice satisfy the Act?
- Generally yes. The Labor Department’s guide notes that paying 60 days in place of notice means the employer has already met the penalty the Act specifies, which is why many employers do it.
Filed under: WARN notices by state, Layoffs 2026: what companies told the SEC
Mentioned:U.S. Department of Labor
How we reported this
Built from 2 primary documents linked in the Source Card. Every number was copied from the document, not from another outlet.
Written by Mirza Seraj Baig · Reviewed by Imran Ahmad, Investment strategist; reviewer, Jobs & Layoffs desk on September 5, 2026 · Checked against the documents in the source card (editorial standards).