- Ontario's Employment Standards Act, 2000 recognizes a range of job-protected leaves, including, among others: - Pregnancy and parental leave - Personal illness, injury, or medical…
- The core problem is one of proof and perception.
Business needs don't pause because an employee is away. A role might genuinely need to be eliminated, a department restructured, or performance issues finally addressed — and sometimes that timing coincides with an employee being on a leave of absence. When it does, an Ontario employer is standing in one of the highest-risk corners of employment law.
Terminating an employee on leave is not automatically illegal — a genuine, unrelated reason for ending employment doesn't evaporate just because someone happens to be away. But the timing invites scrutiny, and getting this wrong can turn an otherwise defensible termination into a costly dispute.
Protected Leaves Under the ESA
Ontario's Employment Standards Act, 2000 recognizes a range of job-protected leaves, including, among others:
- Pregnancy and parental leave
- Personal illness, injury, or medical emergency leave
- Family responsibility and family caregiver leaves
- Leaves related to domestic or sexual violence
- Reservist and other statutorily recognized leaves
An employee on any of these leaves generally has the right to return to the same or a comparable position, and the ESA specifically prohibits penalizing or terminating an employee because they took, plan to take, or are eligible for a protected leave.
Why Timing Creates Legal Risk
The core problem is one of proof and perception. If a termination happens during, immediately before, or shortly after a protected leave, anyone reviewing the situation later — an employment standards officer, a mediator, or a court — will look closely at the timing and typically expect the employer to point to a clear, legitimate, and unrelated reason.
Even where the employer's real motivation had nothing to do with the leave, the coincidence of timing alone can be enough to trigger a complaint, and defending against that complaint takes time, legal cost, and a solid documentary record the employer may not have if the decision was made in a hurry.
This dynamic is sometimes described in terms of who has to explain what happened: once an employee shows they were on, or connected to, a protected leave and then lost their job, it often becomes the employer's practical burden to demonstrate the decision was unrelated. Employers who haven't kept a clear record of their reasoning, made independently of the leave, frequently find that burden hard to meet after the fact — not necessarily because the reason was improper, but because nothing was written down at the time to prove it.
What Tends to Support a Legitimate Reason — and What Doesn't
| Tends to support a legitimate reason | Tends to undermine it |
|---|---|
| Documented performance or conduct issues that predate the leave | Concerns raised for the first time only after the leave began |
| A restructuring or closure decision made and documented before the leave started | A restructuring announced shortly after learning of the leave |
| Consistent treatment compared with employees not on leave | The affected employee being the only one selected, without a clear business rationale |
| Advice sought and documented before acting | Acting quickly, without legal input, to "get ahead of" the employee's return |
Practical Steps If You Must End Employment Near a Leave
- [ ] Get legal advice before communicating anything to the employee — this is one of the clearest cases where advance advice is cheaper than after-the-fact defence
- [ ] Pull together the genuine business reason and any supporting documentation that predates the leave, where it exists
- [ ] Compare how similarly situated employees not on leave have been treated
- [ ] Avoid vague or generic explanations in any termination letter — be as specific and accurate as the real reason allows
- [ ] Keep a clear record of when the decision was actually made, and by whom, relative to when the leave began
Frequently asked questions
Does this mean I can never terminate someone who is on leave?
No — a genuine, unrelated business reason can still justify ending employment. The risk is about timing and proof, not an absolute bar. If you're weighing a specific scenario, it's worth being able to quickly ask a lawyer before you act, rather than guessing.
What if the position genuinely needs to be eliminated while the employee happens to be on leave?
This can be legitimate, but the employer should expect to explain, with supporting detail, why the timing coincided with the leave and why the affected employee, rather than someone else, was the one selected.
Is the risk different depending on which type of leave is involved?
The underlying ESA protection against reprisal applies across the recognized protected leaves, though the practical sensitivity, and public and regulatory attention, can be higher for some leave types than others. Treat any termination near any protected leave as high-risk.
Should I wait until the employee returns from leave to terminate them?
Not necessarily — waiting doesn't erase the risk if the real motivation was still connected to the leave, and it can create its own complications. The safer path is getting advice on the substance of the decision, not just its timing.
Does it matter whether the employee was still on leave, or had already returned to work?
No single cutoff makes a termination automatically safe. Reviewers look at how close in time the termination was to the leave and whether the employer's explanation holds up on its own — a termination shortly after a return from leave can raise much the same concerns as one during the leave itself.
This is a corporate question
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