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ESA Leaves of Absence in Ontario: What Employers Must Provide

Ontario's ESA guarantees several job-protected leaves of absence. Learn what employers must provide during a leave and the reinstatement duty that follows it.

Corporate5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • A job-protected leave under the ESA means the employer generally cannot terminate, penalize, or threaten an employee for taking the leave, and must reinstate the employee to their same…
  • The ESA recognizes several distinct categories of job-protected leave, each tied to a different life circumstance: - Pregnancy and parental leave, for employees who are pregnant or…
  • While an employee is on a job-protected leave, an employer generally must: - [ ] Refrain from terminating, penalizing, or threatening the employee because of the leave - [ ] Continue any…

The Employment Standards Act, 2000 gives Ontario employees the right to take several kinds of unpaid, job-protected leave — and it imposes real obligations on the employer while that leave is happening and after it ends. Employers who treat a leave request as a scheduling inconvenience, rather than a statutory entitlement with specific compliance requirements, are the ones most likely to end up defending a complaint later.

This article covers the categories of leave the ESA recognizes, what "job-protected" actually requires of an employer, and the reinstatement duty that follows once the leave is over.

What Makes a Leave "Job-Protected"

A job-protected leave under the ESA means the employer generally cannot terminate, penalize, or threaten an employee for taking the leave, and must reinstate the employee to their same or a comparable position once the leave ends. It does not mean the leave is paid — ESA leaves are, with limited exceptions, unpaid at the statutory level, though an employer's own policy or contract can offer more.

Categories of ESA Leave

The ESA recognizes several distinct categories of job-protected leave, each tied to a different life circumstance:

Each category has its own eligibility conditions and scope, and some require a minimum period of employment before they apply. Because those specific conditions and durations are exactly the kind of detail that changes and needs verification, employers should confirm the current requirements for the specific leave in question rather than relying on general familiarity with "ESA leaves" as a category.

Employer Obligations During a Leave

While an employee is on a job-protected leave, an employer generally must:

The specific benefit-continuation rules can differ between leave categories, so employers should confirm which obligations apply to the particular leave being taken.

The Reinstatement Duty When Leave Ends

When a job-protected leave ends, the ESA generally requires the employer to reinstate the employee to:

  1. The same position the employee held before the leave, if it still exists, or
  2. A comparable position, if the original role no longer exists, with comparable wages and benefits

This duty is a central part of what makes these leaves "protected" rather than simply permitted time off. An employer that eliminates a position while an employee is on leave needs to be prepared to show the elimination was unrelated to the leave itself and that a genuinely comparable role, if one exists, is offered.

What Employers Can and Cannot Ask

Employers are generally entitled to reasonable evidence supporting a leave request, but should be cautious about demanding more medical or personal detail than is reasonably necessary to confirm entitlement. Overreaching document requests can themselves become a source of complaint, separate from the underlying leave dispute.

Common Employer Mistakes

Frequently asked questions

Are ESA leaves of absence paid?

Generally no, at the statutory level — most ESA leaves are unpaid, though an employer's own policy, employment contract, or a separate government income-support program may provide some income replacement during the leave.

Can an employer deny a leave request?

Generally, if an employee meets the eligibility conditions for a specific ESA leave, the employer cannot simply deny it. The employer's role is to confirm eligibility and administer the leave correctly, not to approve or reject it as a matter of discretion.

What happens if an employee's position is eliminated while they're on leave?

The employer still owes the reinstatement duty — either to the same position, if it exists, or a comparable one. If the position was genuinely eliminated for reasons unrelated to the leave, the employer needs to be able to demonstrate that clearly.

Do these leave protections apply to part-time employees?

ESA leave protections generally aren't limited to full-time employees, though each leave category has its own specific eligibility conditions that should be checked for the employee and situation in question.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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