Ohio WARN Notice: Triggers, Timing, and Penalties

Ohio WARN notice requirements apply to employers with 100 or more workers, who must give at least 60 calendar days’ written notice before a plant closing or mass layoff under the federal Worker Adjustment and Retraining Notification Act. Since September 29, 2025, Ohio’s own state WARN law has added content requirements on top of the federal rules, and affected employees can sue under either or both.¹ Satisfying one is not enough.

Which Employers Are Covered

Federal WARN covers any business that employs 100 or more full-time workers, counting only employees who average 20 or more hours per week and who have worked at least 6 of the preceding 12 months.² A business also qualifies if it employs 100 or more workers (including part-timers) whose combined hours add up to at least 4,000 per week, excluding overtime.³

The headcount is measured on the date notice would be required. Employers with seasonal swings or heavy turnover often miscalculate this and expose themselves to liability. Private for-profit companies, nonprofits, and quasi-public entities organized separately from government are all covered. Federal, state, and local government employers are not.⁴

What Triggers a Notice

Only certain workforce reductions require WARN notice, and only once they cross specific numerical thresholds at a single site of employment.

Plant Closing

A plant closing is a permanent or temporary shutdown of a single site that causes 50 or more full-time employees to lose their jobs during any 30-day period.² “Plant” is misleading shorthand. The rule covers any single site, including offices, retail stores, and warehouses.

Mass Layoff

A mass layoff is a workforce reduction at a single site that is not a closing but still eliminates 50 or more full-time jobs, where that number represents at least one-third of the full-time workforce at the site. If 500 or more full-time employees are laid off, the one-third requirement drops away.²

What Counts as an Employment Loss

Not every departure counts toward these thresholds. An “employment loss” is a termination (other than for cause, voluntary quit, or retirement), a layoff of more than six months, or a reduction in work hours of more than 50 percent during each month of any six-month period.² That last category catches employers who try to avoid WARN by cutting hours instead of jobs.

Internal transfers can also drop out of the count. If an employer offers a transfer to a site within reasonable commuting distance, the departing position is not a loss whether or not the employee accepts. A transfer beyond reasonable commuting distance avoids counting if the employee accepts within 30 days of the offer or 30 days of the closing, whichever is later, with no more than a six-month gap in employment.⁵

Aggregated Rounds of Layoffs

Smaller rounds of layoffs at one site that individually fall below the thresholds are treated as a single event if they collectively exceed them within any 90-day window. The employer escapes aggregation only by proving each round resulted from genuinely separate causes and was not an attempt to evade the law.⁶

Who Must Receive the Notice

Three recipients get the 60-day written notice before the closing or layoff can proceed.⁶

Affected employees individually, or their union representative if the workers are represented.
The Ohio Department of Job and Family Services Rapid Response Unit, by email at rapdresp@jfs.ohio.gov.¹
The chief elected official of the municipality (typically the mayor) and the chief elected official of the county (typically a county commissioner) where the layoff or closing will occur.⁷

The state filing does not take care of the local officials. Notifying them is the employer’s separate responsibility. The Rapid Response Unit acknowledges receipt within 24 hours on business days.⁷ Once the state has the notice, the information becomes a public record, and Ohio posts current notices online.

What the Notice Must Say

Federal WARN requires the notice to include the name and address of the employment site, a company contact person with phone number, a statement of whether the action is expected to be permanent or temporary, the anticipated date of the first separation, the schedule for any subsequent separations, and the job titles and number of affected employees in each classification.

Ohio’s state WARN law, effective September 29, 2025, adds three content requirements:

A description of actions the employer has taken to mitigate or avoid the closing or mass layoff.
Information about how affected employees can access unemployment benefits.
A copy of the notification sent to affected employees, included with the notice sent to state officials.¹

ODJFS publishes a submission form (JFS 00039) and a worker list spreadsheet that capture every required field.⁷ Using the state forms reduces the risk of omitting an element that creates legal exposure.

When Shorter Notice Is Allowed

Three circumstances let an employer shorten the notice period, and courts scrutinize them closely.

Faltering company. Applies only to plant closings. The employer must have been actively seeking capital or business that, if obtained, would have kept the facility open, and giving the full notice must have realistically threatened that effort.⁶ Hoping an investor might appear does not qualify.

Unforeseeable business circumstances. Covers sudden, dramatic events outside the employer’s control that could not have been reasonably anticipated when notice would have been due, such as an unexpected contract cancellation or a sharp economic downturn.⁴ A gradual decline the employer hoped would reverse does not count.

Natural disaster. When a closing or layoff is directly caused by a flood, earthquake, drought, or similar event, no advance notice is required. The other two exceptions still require as much notice as practicable; the natural disaster exception eliminates the notice obligation entirely for closings directly caused by the disaster.⁶

Under the faltering company and unforeseeable circumstances exceptions, the employer must still provide as much notice as practicable and include a brief written explanation of why the full 60 days could not be given.⁶

A handful of situations are exempt from WARN entirely, no matter how many workers are affected: the closing of a facility always intended to be temporary, the end of a specific project where employees were hired for its duration, and closings or layoffs caused by a strike or lockout that is not itself a tactic to evade the law.⁸ Employers permanently replacing economic strikers also owe no notice.

What Happens in a Business Sale

If a plant closing or mass layoff occurs before or on the closing date of a sale, the seller owes the notice. If it occurs after the sale is completed, the buyer does. When the seller’s employees continue working for the buyer, the technical termination with the seller is not an employment loss, and the workers automatically become the buyer’s employees for WARN purposes.⁹

Buyers planning a reduction soon after acquisition need to count backward. A closing expected 45 days after acquisition means the buyer must issue notice 15 days before the deal closes to meet the full 60-day window.

Penalties and How Employees Enforce Their Rights

An employer that orders a closing or layoff without proper notice owes each affected employee back pay for every day of the violation, calculated at the higher of the employee’s average regular rate over the last three years or their final regular rate. The employer must also cover benefits, including medical expenses the employee would have had covered during the violation period.¹⁰ Liability caps at 60 days per employee and can never exceed half the number of days the employee worked for the company.

An employer that fails to notify the local government faces a separate civil penalty of up to $500 per day of violation. That penalty can be avoided by paying all affected employees their full WARN damages within three weeks of ordering the shutdown or layoff. A court can reduce penalties if the employer shows good faith and reasonable grounds for believing it was in compliance.¹⁰

WARN is not a provision for paying workers instead of giving notice. An employer that provides 60 days of pay and benefits without written notice has technically violated the law, though voluntary payments that are not required by another law, contract, or company policy can be offset against WARN damages. Payments the employer already owed, such as contractual severance or accrued vacation, cannot.¹¹ An employer that assumes its existing severance package covers WARN obligations can end up paying twice.

Enforcement is through private lawsuits in U.S. District Court. There is no administrative complaint process with the Department of Labor, which provides guidance but does not adjudicate WARN disputes.⁴ Employees can file in any federal district where the violation occurred or where the employer does business. Under Ohio’s state law, affected employees may also bring a state claim in addition to their federal claim.¹ The federal act does not set a statute of limitations, and courts generally borrow the most analogous period from the state where the suit is filed, so acting promptly after a suspected violation matters.

1
Ohio Department of Job and Family Services. Ohio WARN Notice Requirements and FORMS
2
Office of the Law Revision Counsel. 29 U.S. Code 2101 – Definitions
3
U.S. Department of Labor. Employment Law Guide – Notices for Plant Closings and Mass Layoffs
4
U.S. Department of Labor. Worker Adjustment and Retraining Notification Act Frequently Asked Questions
5
U.S. Department of Labor. WARN Advisor – Employment Loss and Transfer Exceptions
6
Office of the Law Revision Counsel. 29 U.S. Code 2102 – Notice Required Before Plant Closings and Mass Layoffs
7
Ohio Department of Job and Family Services. JFS 00039 – WARN Notice Submission Form
8
Office of the Law Revision Counsel. 29 U.S. Code 2103 – Exemptions
9
U.S. Department of Labor. WARN Advisor – Business Sale and WARN Responsibility
10
Office of the Law Revision Counsel. 29 U.S. Code 2104 – Liability
11
U.S. Department of Labor. WARN Advisor – Frequently Asked Questions