Large layoffs in the United States leave a paper trail, and that trail starts 60 days before the cuts. The federal WARN Act requires covered employers to give affected workers at least 60 days of written notice before a plant closing or mass layoff, per 29 USC 2102. The notices also reach state rapid response teams, so aid can line up before the last shift.
Retail chains file many of the biggest notices, and those closures tie into what e-commerce did to store economics. The site's Business News section tracks these filings as they land. The rule does not control how layoffs are decided inside a firm, but it fixes what must be disclosed when they happen.
The thresholds that trigger a notice
Coverage starts with size. The law reaches business enterprises that employ 100 or more employees, excluding part-time staff, or 100 or more employees who work at least 4,000 hours per week combined, per 29 USC 2101. Smaller firms fall outside the federal rule.
Two events force a notice at a covered firm. A plant closing means a shutdown that causes employment loss for 50 or more employees at a single site during any 30-day period, per the same statute. A mass layoff means employment loss for at least 33 percent of active employees and at least 50 employees, or for 500 or more employees regardless of share, per 29 USC 2101.
Employers cannot shrink a layoff below the lines by slicing it into batches. The rules tell firms to look ahead 90 days and behind 90 days, and to treat related cuts as one action when the aggregate crosses a threshold, per 20 CFR 639.3. Part-time status has a definition too: it means an average of fewer than 20 hours per week, per the same part.
What the notice must say
The Labor Department's rules, first published at 54 Federal Register 16064 on April 20, 1989, spell out the required contents, per the rules in 20 CFR part 639. A notice to a union or to workers lists the name and address of the employment site and a company contact. It states whether the action is expected to be permanent. It gives the expected date of the first separation and the job titles of positions to be affected.
Notices for unrepresented workers add the number of affected employees in each job classification and whether bumping rights exist, per 20 CFR 639.7. Recipients are fixed by statute: each affected worker or bargaining representative, the state dislocated worker unit, and the chief elected official of the local government, per 29 USC 2102. Delivery qualifies when a method is designed to ensure receipt, and first class mail or personal delivery both pass, per 20 CFR 639.8.
When the 60 days can shrink
The law holds three escape valves, per 20 CFR 639.9. A faltering company can shorten notice when it was actively seeking capital that might have avoided the shutdown. Unforeseeable business circumstances cover events a firm could not predict. Natural disasters such as floods or fires suspend the window as well, and the rules require the employer to give as much notice as practicable.
What skipping notice costs
Penalties stack fast. An employer that orders a closing or mass layoff in violation of the notice rule owes each aggrieved worker back pay for each day of violation, along with benefit plan coverage for that period, per 29 USC 2104. A violation affecting a unit of local government adds a civil penalty of up to $500 per day, per the same section. The penalty drops if the employer pays the owed amounts within 3 weeks. We covered a connected angle in Automation pays back on the second shift.
Conclusion: notices map where cuts land
WARN filings give the earliest public picture of a layoff. Each notice names the site, the date, and the job titles, which lets unions, state teams, and local officials plan before separations begin. The thresholds filter out small cuts, so the record tracks mass events. For anyone tracking corporate retrenchment, the notice file moves weeks ahead of the headlines. Some states run their own versions of the law with different thresholds, so multistate employers track both layers. Readers following this should also see Dallas Fed surveys put local pressures on the record.
