HR glossary · Ending employment and discipline

Just cause

Just cause is serious misconduct that lets a Canadian employer end employment without notice or pay in lieu. Courts set a high bar.

Also called: dismissal for cause, fired for cause, cause for termination

What just cause means

Just cause means the employee did something so serious that the employment relationship cannot reasonably continue. If you have just cause, you can end the employment without giving notice or pay in lieu of notice. If you do not, you owe notice, even if you were unhappy with the person's work.

The idea comes from the common law, which is the law built up by court decisions. Employment standards laws use their own, sometimes stricter, wording for the same question. That means a firing can meet one test and fail the other.

Small employers often assume that a single mistake, a bad attitude or poor results is enough. Usually it is not. Courts treat cause as the most severe outcome in employment law, and the employer has to prove it.

How it works

Courts look at the whole picture, not just the act. In McKinley v. BC Tel (2001), the Supreme Court of Canada rejected the idea that any act of dishonesty automatically justifies dismissal. A court looks at the nature and seriousness of the conduct and the circumstances around it, then decides whether firing was a fair response. Theft, serious violence, harassment or fraud can be cause. Lateness, one rude comment or slow work usually is not, unless it is repeated after clear warnings.

Your own history with the employee matters. If you knew about a behaviour and let it go, it is harder to rely on it later. Clear rules, written warnings and a real chance to improve make a cause argument stronger. This is why most employers use progressive discipline before they consider dismissal for cause.

Cause and statutory notice are separate tests. In Ontario, for example, the Employment Standards Act lets you skip termination pay only for wilful misconduct, disobedience or wilful neglect of duty that is not trivial and that you have not condoned. Ontario's own policy manual says this is narrower than common-law just cause. So you could win the common-law argument and still owe the statutory minimum.

Common mistakes: deciding on cause in the heat of the moment, not investigating, not letting the employee respond, and listing cause in a termination letter when you are not sure you can prove it. If you are not confident, many employers end the employment without cause and pay what the law requires instead.

Just cause by province

The common-law idea of just cause applies in every province except Quebec, which uses its Civil Code. Statutes add their own tests and protections, and these differ.

Where the work is done	The rule
Federal	Non-manager employees with 12 consecutive months of continuous service who are not covered by a collective agreement can complain of unjust dismissal within 90 days. Severance pay is not owed when the employee is dismissed for just cause.
Ontario	Notice and termination pay can be withheld only for wilful misconduct, disobedience or wilful neglect of duty that is not trivial and has not been condoned. The province says this is narrower than common-law just cause.
Quebec	An employee with 2 years of uninterrupted service can complain of dismissal without good and sufficient cause within 45 days. The employer then has to prove the cause.
Nova Scotia	An employee with 10 or more years of service cannot be fired or suspended without good reason or just cause. Labour Standards can order reinstatement with back pay.

Rows show only the statutory protections we confirmed. For other provinces, check with the provincial employment standards office; the common-law test applies alongside any statute.

Example: A till shortage at a Halifax café

Priya runs a 7-person café in Halifax. Her shift lead of 4 years, Marcus, comes up $40 short twice in one month. Priya's first thought is to fire him for cause. Instead she checks the till records, asks Marcus to explain, and finds that a new cashier had been using his login.

Nothing shows Marcus took the money, so Priya does not have cause. She issues a written reminder about logins and changes the till procedure. Had she fired him on the spot, she would have owed him notice anyway, and an unfounded accusation of theft would have made the situation worse.

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Questions about just cause

What counts as just cause for firing in Canada?

Serious misconduct that makes the employment relationship unworkable, such as theft, fraud, violence or harassment. Courts look at the seriousness of the act and its context, and the employer must prove it.

Is poor performance just cause?

Usually not on its own. Courts generally expect clear expectations, warnings and a real chance to improve before poor performance could support dismissal for cause.

Do I owe termination pay if I have just cause?

Not necessarily, but the statutory test can be stricter than the common-law one. In Ontario, for example, you can withhold termination pay only for wilful misconduct, disobedience or wilful neglect of duty that is not trivial and not condoned.

Can one incident be just cause?

It can if it is serious enough, such as clear theft or violence. A single minor incident rarely is, and the Supreme Court of Canada has said even dishonesty must be weighed in context.

Official sources

General information for Canadian employers, not legal advice. Rules differ by province and territory and change over time, so check with your provincial employment standards office (or the federal Labour Program if you are federally regulated) before you rely on it. See employment standards by province.

Checked against official sources on 4 November 2026.