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What is leave of absence?

A leave of absence (LOA) is a period of time an employee is formally authorized to take off from work, usually for an extended duration, while maintaining their employment status with the company. Unlike short-term absences like a few sick days or vacation, an LOA is typically granted for more signi

July 7, 2025
Updated March 5, 2026
4 min read
Glossary

A leave of absence (LOA) is a period of time an employee is formally authorized to take off from work, usually for an extended duration, while maintaining their employment status with the company. Unlike short-term absences like a few sick days or vacation, an LOA is typically granted for more significant, often extraordinary, personal, medical, or family-related circumstances.

The question of “what is leave of absence” often arises when an employee faces situations that require them to step away from their job for a longer period than regular paid time off (PTO) or vacation days would cover, but they intend to return to their role.

Why Leaves of Absence are Important

LOAs serve a crucial purpose for both employees and employers:

  • For Employees: They provide necessary time and job protection during challenging life events, serious health issues, or significant personal development opportunities, without forcing them to resign. This support contributes to employee well-being, reduces stress, and strengthens their commitment to the organization upon return.
  • For Employers: Offering LOAs, particularly those mandated by law, ensures legal compliance and mitigates the risk of discrimination claims. Even voluntary leaves can be a valuable part of a total rewards strategy, enhancing employee morale, aiding in talent retention, and demonstrating a commitment to work-life balance.

Types of Leaves of Absence

Leaves of absence can be broadly categorized as mandatory or voluntary, and paid or unpaid:

I. Mandatory Leaves (Often Job-Protected and Legally Required): These leaves are mandated by federal, state, or local laws, and employers are legally obligated to grant them if an employee meets the eligibility criteria.

  • Medical Leave: For an employee’s own serious health condition, injury, or disability that prevents them from performing their job.
  • Family Leave (e.g., Parental Leave): For the birth or adoption of a child, or to care for an immediate family member with a serious health condition. The Family and Medical Leave Act (FMLA) in the U.S. is a prominent example, offering up to 12 weeks of unpaid, job-protected leave.
  • Military Leave: For employees called to active military duty or military training. Laws like the Uniformed Services Employment and Reemployment Rights Act (USERRA) in the U.S. provide significant job protection and reemployment rights.
  • Jury Duty Leave: To fulfill civic obligations by serving on a jury.
  • Witness Duty Leave: To testify in court as a witness.

II. Voluntary Leaves (Granted at Employer’s Discretion): These are not legally mandated but are offered by employers as a benefit, typically outlined in company policy. They are often unpaid, and job protection may vary.

  • Personal Leave: For significant personal matters not covered by other types of leave (e.g., extensive travel, family emergencies beyond what FMLA covers, significant life events).
  • Educational Leave: To pursue higher education, specialized training, or certifications that benefit the employee’s career development.
  • Sabbatical Leave: An extended break, often paid or partially paid, offered to long-tenured employees for personal development, research, or rejuvenation.
  • Bereavement Leave (Extended): While some basic bereavement leave may be mandatory or standard PTO, extended leave for significant loss might fall under a voluntary LOA.
  • Unpaid Leave of Absence: A general category for any approved absence where the employee does not receive pay.

Key Aspects of a Leave of Absence

  • Duration: LOAs can range from a few weeks to several months, or even a year or more, depending on the reason and company policy/legal requirements.
  • Pay Status: Leaves can be paid (e.g., using accrued PTO, short-term disability benefits, or specific paid parental leave policies) or unpaid.
  • Job Protection: A crucial element, especially for mandatory leaves, is whether the employee’s job or an equivalent position is guaranteed upon their return.
  • Benefits Continuation: Policies will specify whether benefits like health insurance continue during the leave and who is responsible for paying premiums.
  • Eligibility Criteria: Employees usually need to meet certain conditions (e.g., length of service, hours worked) to qualify for specific types of LOAs.
  • Formal Request and Documentation: Employees typically need to formally request an LOA and may be required to provide supporting documentation (e.g., medical certificates).

Managing leaves of absence effectively requires clear policies, consistent application, and a deep understanding of applicable labor laws to ensure fairness and compliance.

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