What Is a Resignation Notice Period? Essential Guide for Employers

A notice period is the defined span of time between a resignation or termination and an employee's last day of work. This guide covers how notice periods work, what the law requires, and how to manage them effectively.

What Is a Notice Period?

A notice period is the formal gap between when someone announces their intention to leave (or is notified of termination) and when their employment officially ends. Common lengths include two weeks, 30 days, 60 days, and 90 days, depending on the role, seniority, applicable law, and what’s been agreed to in writing.

Notice periods can be initiated by either party:

• Employee-Initiated: The employee submits a resignation and agrees to work through a defined notice period before their final day.
• Employer-Initiated: The employer provides notice of termination. Employers may choose to pay the employee for the notice period in lieu of continued work.

How Do Notice Periods Work?

During the notice period, the employee typically continues in their role while the employer manages the transition. Several variations exist:

• Working Notice: The employee continues showing up and completing their duties through the notice period.
• Pay in Lieu of Notice (PILON): The employer releases the employee immediately but pays out the notice period as a lump sum or continuation of wages.

Employers should ensure offboarding, access revocation, and knowledge transfer are coordinated throughout.

Notice Period Requirements

Notice period obligations vary depending on employment type, contract terms, and where your employees work — here is what employers need to understand before setting up a policy.

Federal Law: At-Will Employment

Most U.S. employment is at-will, meaning either party can end the employment relationship at any time, with or without cause — and with or without notice. No federal law requires employees to give notice before resigning, and no federal law requires employers to give advance notice before termination, with one significant exception.

The WARN Act

The Worker Adjustment and Retraining Notification (WARN) Act requires employers with 100 or more employees to provide 60 days’ advance written notice before a plant closing or mass layoff affecting 50 or more workers. Some states have enacted their own WARN-equivalent laws, sometimes with lower employee thresholds and broader coverage than the federal law. Employers should consult legal counsel to understand the specific requirements in each state where they operate.

Contractual and Policy Obligations

Notice requirements most often arise from:

• Employment contracts or offer letters specifying a notice period
• Company handbooks or HR policies
• Union agreements and collective bargaining contracts
• Executive compensation agreements
• Industry-specific regulations (e.g., certain healthcare and financial services roles)

When a notice period is defined in the above, both parties are generally bound to honor it. Review your agreements carefully before setting expectations.

Best Practices for Managing Notice Periods

Handling notice periods consistently and professionally, in compliance with applicable laws and agreements, helps protect business continuity, reduce legal exposure, and leave a lasting impression on both departing and remaining employees.

Set Policy in Writing

Define notice expectations in offer letters, employment contracts, or your employee handbook. Consultation with legal counsel can be helpful to ensure compliance with applicable laws. You may choose to specify notice lengths by role level, how notice should be submitted, and what the employer’s response process looks like. Employees who know what’s expected are more likely to follow through.

Handle Departures Professionally

How a company manages departures sends a signal to remaining employees. Avoid punitive responses to resignations. Focus on a clean, professional offboarding process that protects the business and maintains relationships.

• Conduct a structured knowledge transfer and documentation handoff
• Coordinate system access revocation with your IT team
• Schedule an exit interview to gather feedback
• Follow reference and recommendation protocols clearly

When an Employee Gives Insufficient or No Notice

In at-will states, there is typically no legal remedy for an employee who quits without notice, unless a contract or other agreement specifies otherwise. Employers can choose not to rehire employees who leave without notice and may note it in internal records.

Counteroffer Considerations

If a valued employee resigns, you may consider asking the employee to stay and offer to address the reasons for their resignation. While this is not always possible, be sure to understand and try to address all the underlying reasons for the resignation and not assume it is solely a matter of compensation.

How Paychex Can Help

When an employee gives notice, how you handle the next two weeks matters. Paychex can support you in the process, helping you protect your business and ensure transitions stay professional.