Pennsylvania
Pennsylvania WARN Act
Pennsylvania has no state WARN law. Federal WARN (29 U.S.C. § 2101) applies fully to Pennsylvania employers with 100 or more employees. Covered employers must give 60 days advance written notice before a qualifying plant closing or mass layoff. Notice goes to employees, the Pennsylvania Department of Labor and Industry Rapid Response Unit, and the local government.
60 days
Federal notice required
100+
Employees to trigger
Overview: no state WARN law in Pennsylvania
Pennsylvania is one of the majority of states that has never enacted a state-level plant closing or mass layoff notification law. Federal WARN (29 U.S.C. § 2101 et seq.) is the only WARN statute that applies to Pennsylvania employers. There is no supplemental state notice period, no state-specific threshold, and no mandatory severance requirement under Pennsylvania law.
This matters most for employers with operations in multiple Northeast states. New Jersey, directly to the east, and New York, to the north, both have state WARN laws that are substantially stricter than federal WARN. Pennsylvania employers with facilities on the New Jersey side of the Delaware River are subject to NJ WARN at those sites, including mandatory severance and a 90-day notice requirement.
Federal WARN in Pennsylvania
Because Pennsylvania has no state WARN law, federal WARN is the only statute governing plant closing and mass layoff notice for Pennsylvania employers. Federal WARN requires 60 days advance written notice before a covered plant closing or mass layoff. It applies to employers with 100 or more full-time employees, counted company-wide.
Pennsylvania WARN notices are filed with the Pennsylvania Department of Labor and Industry, Rapid Response Unit. The Rapid Response Unit coordinates reemployment services for workers affected by a covered layoff, including connections to job training programs and unemployment insurance.
Thresholds and triggers
Federal WARN uses separate thresholds for employer coverage, plant closings, and mass layoffs. All three must be analyzed before concluding that notice is or is not required.
Does federal WARN apply to your Pennsylvania layoff?
Work through these steps in order. If you answer yes to each, WARN notice is required. Use the WARN Act calculator to run exact headcount checks.
Notice recipients
Federal WARN requires written notice to three recipients. All three must receive notice at the same time, no later than 60 days before the first separation.
Exceptions to the 60-day requirement
Federal WARN has three exceptions that allow reduced notice. None eliminates the notice obligation entirely. In each case the employer must give notice as soon as practicable and explain in writing why the exception applies.
Exceptions reduce, not eliminate, the notice requirement
Even with an exception, notice must be given as soon as practicable with written explanation of the shortened notice basis.
Penalties for violation
Federal WARN violations expose the employer to back pay, medical benefit liability, and a civil penalty for each day of the violation period.
Back pay
Up to 60 days of back pay at the employee's regular rate for each day of the violation period.
Medical benefits
Medical benefit costs that would have been covered during the violation period, up to 60 days.
Civil penalty
$500 per day of violation, payable to the affected local government. Can be offset by voluntary payments to employees.
Jurisdiction for WARN claims
Pennsylvania courts have jurisdiction under federal WARN. Claims are filed in U.S. District Court. There is no Pennsylvania state agency enforcement mechanism because Pennsylvania has no state WARN statute.
Industry notes
Federal WARN applies uniformly regardless of industry. The following sectors generate a disproportionate share of WARN filings in Pennsylvania.
Healthcare and hospital systems
Pennsylvania is home to major health systems including UPMC, Jefferson Health, and Penn Medicine. Hospital mergers, unit closures, and service-line restructurings regularly trigger WARN. Each facility is analyzed as a separate site for the 50-employee plant closing threshold.
Financial services and insurance
Philadelphia is a major financial hub with banks, insurance companies, and asset managers that employ well over 100 people at a single site. These employers are fully covered by federal WARN. Each office location is a separate site.
Manufacturing
Pennsylvania's industrial base spans steel, chemicals, and food processing. Plant-level closures affecting 50 or more workers are a frequent WARN trigger. Employers should audit whether a partial line closure or department shutdown also crosses the 50-employee threshold.
Technology and professional services
Pittsburgh's growing tech sector and Philadelphia's professional services firms face the same federal thresholds. Remote workforce aggregation at a principal place of business can push a site over the 50-employee threshold even when physical headcount is smaller.
Pennsylvania vs. New Jersey WARN
New Jersey is directly east of Pennsylvania, and its WARN Act is the most demanding in the country. Philadelphia-area employers with New Jersey operations face mandatory severance requirements and a longer notice window.
New Jersey requirements highlighted in green where stricter than Pennsylvania. Multi-state employers must apply each state's law at the relevant site. A single RIF spanning Pennsylvania and New Jersey sites requires separate compliance analyses.
Frequently asked questions
People Plan
Federal WARN coverage calculated automatically
People Plan determines WARN coverage from your employee data, calculates the notice period and recipients for Pennsylvania and any other states where you operate, and generates the required written notices so your legal team reviews rather than drafts.