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Condonation in Ontario: Why Waiting Too Long Can Cost You a Constructive Dismissal Claim

Waiting too long after a workplace change can cost you a constructive dismissal claim. Learn how condonation works under Ontario employment law.

Litigation5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • Condonation is the legal idea that continuing to work under new terms, for long enough without objection, can be treated as accepting those terms — even if you never said "I agree" out loud.
  • A common misconception is that there's a specific number of days or weeks you have to decide.
  • - Continuing to work for a short period while actively seeking legal advice - Raising an informal or written objection, even if you keep working afterward - Attempting to negotiate a…

If your employer makes a fundamental, unilateral change to your job — a significant pay cut, a demotion, a stripped-down role — you generally have to respond within a reasonable time. Wait too long without objecting, and Ontario law may treat your continued silence as condonation: an implied acceptance of the change that can bar you from later claiming constructive dismissal.

This is one of the most common ways a genuinely strong constructive dismissal claim gets weakened or lost entirely — not because the change wasn't serious, but because too much time passed before anything was said.

What Condonation Means

Condonation is the legal idea that continuing to work under new terms, for long enough without objection, can be treated as accepting those terms — even if you never said "I agree" out loud. Once a court finds condonation, it becomes much harder to later argue the change was a constructive dismissal, because your own conduct suggested otherwise at the time.

The logic is straightforward from the employer's side: if an employee keeps showing up, keeps doing the job under the new terms, and raises no objection for an extended period, it becomes reasonable for the employer to assume the employee has accepted the situation.

There's No Fixed Deadline

A common misconception is that there's a specific number of days or weeks you have to decide. There isn't. How much time is "too long" depends on:

Because there's no bright-line rule, the safer assumption is always to act sooner rather than later.

What Doesn't Automatically Count as Condonation

None of these guarantee protection on their own — but they generally put you in a stronger position than saying and doing nothing.

What Increases the Risk of a Condonation Finding

What to Do Right Away If You Believe You've Been Constructively Dismissed

  1. Don't wait to "see how it goes" for an extended period before deciding on a course of action
  2. Put your objection in writing as early as possible, even briefly, if you intend to keep working
  3. Avoid signing anything that formally confirms or accepts the new terms
  4. Get legal advice promptly — a lawyer can help you understand how much time you realistically have given your specific facts
  5. Keep a written record of the date the change occurred and any communications since

Frequently asked questions

If I complained verbally but not in writing, does that count?

It can help, but a verbal complaint is harder to prove later than a written one. Following up any verbal objection with something in writing, even a brief email, is strongly advisable.

Does looking for a new job while still employed count against me?

Generally no — actively job searching is often viewed as a reasonable response to an uncertain situation, and can even support a mitigation argument later, rather than working against you.

What if my employer told me the change was "temporary" and then never reversed it?

This can be a relevant, reasonable explanation for an initial delay, but if the "temporary" change continues indefinitely without you raising it again, the condonation risk can still increase over time.

Can I still negotiate a severance package if I've already been working under the new terms for a while?

Possibly, but the longer you've continued without objection, the weaker your negotiating position is likely to be. Getting advice as soon as possible improves your options regardless of how much time has already passed.

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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