Ontario Severance

Frustration of Contract — Ontario Employment Law

25 casesDecisions from 1933–2026

About Frustration of Contract

In Ontario employment law, a "frustration of contract" occurs when an unforeseen event, through no fault of either the employer or the employee, makes it legally or practically impossible to continue the employment relationship. When a contract is frustrated, it is considered legally at an end, and neither party is deemed to have breached their obligations.

While frustration can theoretically be triggered by extraordinary events like a workplace burning down or a sudden change in law that makes a job illegal, it almost always arises in the context of long-term illness or severe disability. If an employee suffers a medical condition that permanently prevents them from fulfilling the core duties of their job, an employer may eventually claim that the employment contract has been frustrated.

However, declaring frustration due to illness is a high legal hurdle. It is not enough for an employee to simply be on sick leave for a long time. Under the Ontario Human Rights Code (OHRC), an employer must first exhaust their duty to accommodate the employee to the point of undue hardship. Frustration only occurs when clear medical evidence demonstrates that there is no reasonable prospect of the employee returning to work in the foreseeable future, even with accommodations.

A critical distinction in Ontario involves severance entitlements. Generally, when a contract is frustrated by an unforeseen event, the employer does not owe the employee common law "reasonable notice" or pay in lieu of notice, because it was not a wrongful dismissal—it was an automatic end to the contract. Wait, does that mean a disabled employee gets nothing? No. Under O. Reg. 288/01 of the Employment Standards Act, 2000 (ESA), if the frustration is caused by the employee's illness or injury, the employer is still legally required to pay the employee's minimum statutory termination pay and, if applicable, severance pay. Many employers mistakenly believe that because a contract is "frustrated," they owe zero compensation, which is entirely false under Ontario legislation.

Evaluating whether an employment relationship has truly reached the point of impossibility is highly complex and depends heavily on specific medical documentation and workplace context. Because the financial implications of this legal doctrine are significant, it is always wise to have an independent employment law professional evaluate the unique facts of your situation before accepting an employer's declaration that your contract is over.

Frequently Asked Questions

What exactly does frustration of contract mean in an employment setting?

It means an unpredictable event—usually a permanent medical disability—has made it impossible for an employee to perform their job duties, through no fault of their own. When this happens, the law treats the employment contract as having ended automatically.

If my contract is frustrated due to illness, do I still get severance pay?

Yes, but only your statutory minimums. Under Ontario's Employment Standards Act, if the frustration is caused by illness or injury, you are still entitled to your minimum ESA termination and severance pay. However, you will not be entitled to the larger common law reasonable notice damages.

How long do I have to be on medical leave before my employer can claim frustration?

There is no strict timeline in Ontario law, such as a mandatory two-year rule. Frustration is based entirely on medical evidence showing that a return to work in the foreseeable future is highly unlikely. For some conditions this could be apparent in months, while for others it may take several years to determine.

Can I be terminated for frustration of contract while receiving Long-Term Disability (LTD) benefits?

Yes, an employer can declare the employment contract frustrated even if you are actively receiving LTD benefits from an insurance provider. Your employment status ending usually does not cancel your ongoing approved disability benefits, but you should review your specific LTD policy to be sure.

Does my employer have to try accommodating my disability before claiming the contract is frustrated?

Absolutely. Under the Ontario Human Rights Code, employers have a strict duty to accommodate disabilities to the point of undue hardship. They must explore modified duties, flexible hours, or alternative roles before they can legally argue that the contract is completely impossible to fulfill.

When is the right time to speak with a lawyer about contract frustration?

You should reach out to legal counsel the moment your employer begins demanding aggressive medical prognoses about your permanent ability to work, or immediately if you receive a termination letter citing 'frustration' or 'innocent absenteeism' to ensure you aren't being unlawfully deprived of your severance rights.

Common Scenarios

  • A warehouse worker suffers a severe spinal injury and is on medical leave for three years. After multiple independent medical examinations conclude the worker can never safely lift objects or stand for long periods again, the employer determines the core duties are impossible to perform and claims the contract is frustrated.
  • An employer issues a termination letter to a software developer who has been on Long-Term Disability for 18 months, claiming the contract is frustrated and offering zero severance pay, completely unaware that Ontario's ESA still requires statutory payouts when frustration is caused by illness.
  • A commercial truck driver suddenly loses their specialized professional driving license permanently due to a new vision impairment. Because holding the license is a legal requirement of the job and no other roles exist at the company, the employment relationship is frustrated by law.

What You Should Know

  • Always provide your employer with regular, detailed medical updates while on leave; remaining silent can allow an employer to argue job abandonment rather than frustration, which could jeopardize your statutory severance entitlements.
  • If your employer terminates you alleging frustration of contract due to injury or illness, immediately verify that they have paid out your minimum Employment Standards Act termination and severance pay, as this is a strict legal requirement in Ontario.
  • Remind your employer of their duty to accommodate your specific restrictions under the Ontario Human Rights Code before they jump to the conclusion that your contract is impossible to perform.
  • Never accept a 'frustration of contract' termination at face value without having an employment advocate review the medical evidence; employers frequently use this doctrine prematurely to avoid paying out common law wrongful dismissal damages.

Featured Cases

H. v. 1359768 Ontario Inc. (B&B Towing)

2026 ONCA 577 (CanLII) · 2026-08-10

Wrongful Dismissal: Frustration & Company Asset Damages

This is an appeal from a wrongful dismissal decision where the Court of Appeal for Ontario dismissed the appeal regarding the issue of frustration of contract. The court found that the employment contract was not frustrated because the employee's essential duties were accommodable and there was a reasonable likelihood of return to work. Additionally, the court reduced the damages award by disallowing compensation for the loss of use of a company tow truck and cellphone, determining these were work tools rather than perquisites.

damages duty to accommodate frustration of contract wrongful dismissal

D. v. Transasian Fine Cars Ltd.

2025 ONSC 7382 (CanLII) · 2025-03-25

ESA Termination & Severance: Frustration of Contract

This is an interlocutory application concerning the calculation of termination pay and severance pay under the Employment Standards Act, 2000, following a frustration of contract due to disability. The court addressed whether 'regular wages' for these statutory entitlements should be based on pre-injury earnings or the accommodated reduced-rate earnings from the last 12 weeks worked. The application was dismissed, with the court applying a plain reading of the statute and precedent from Hoekstra v. Rehability to calculate payments based on the last 12 weeks worked.

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C. v. VuPoint System Ltd.

2024 ONCA 354 (CanLII) · 2024-05-07

Appeal dismissed: Contract frustrated by vaccine policy

This is an appeal to the Court of Appeal from a motion judge's decision dismissing a wrongful dismissal action over a mandatory COVID-19 vaccination policy. The employee, a technician, sued his employer after being terminated for refusing to comply with a vaccine mandate imposed by the employer's dominant client. The motion judge dismissed the action, finding that the employment contract was frustrated by the client's policy. The Court of Appeal dismissed the appeal, holding that the third-party policy was an unforeseeable supervening event that radically altered the employment obligations by rendering the employee ineligible to work. As a result, the finding of frustration stands and the employee is awarded no damages.

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C. v. VuPoint Systems Ltd.

2023 ONSC 1234 (CanLII) · 2023-02-21

Frustration of Contract: Vaccination Policy Termination

The plaintiff's employment was terminated after they refused to comply with a mandatory COVID-19 vaccination policy required by the employer's primary client. The court found that the employment contract was frustrated due to the employee's inability to perform their duties. As a result, the court granted summary judgment and ruled the employee was not entitled to damages for wrongful dismissal.

frustration of contract summary judgment termination vaccination policy wrongful dismissal

Clarion Lakeside Inn v. UFCW Local 175

2022 ONSC 3850 (CanLII) · 2022-06-30

Judicial Review: Termination Pay & Frustration of Contract

This is a judicial review application concerning a labour arbitrator's award of termination pay to employees whose employment was deemed frustrated by a fire causing temporary closure. The Divisional Court reviewed whether the arbitrator's interpretation of the Employment Standards Act and the common law test for frustration was reasonable.

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N. v. IBM Canada Ltd.

2021 ONCA 274 (CanLII) · 2021-04-30

Appeal dismissed: No resignation or frustration

This is an appeal from a motion judge's decision in a wrongful dismissal case involving an employee with mental health issues. The central issue was whether the employee's failure to appeal a denial of short-term disability benefits or return to work constituted resignation, abandonment, or frustration of the employment contract. The Court of Appeal dismissed the appeal, finding the employer failed to prove resignation, abandonment, or frustration.

duty to inquire frustration of contract resignation wrongful dismissal

N. v. IBM Canada Ltd.

2019 ONSC 4547 (CanLII) · 2019-07-30

This case addresses whether a long-term employee's failure to return to work after denial of short-term disability benefits constituted resignation, abandonment, or frustration of contract.

duty of good faith frustration of contract resignation wrongful dismissal

H. v Rehability Occupational Therapy Inc.

2019 ONSC 562 (CanLII) · 2019-01-21

Frustration of Contract: Medical Leave Termination

This is a merits decision regarding the frustration of an employment contract due to the plaintiff's prolonged medical leave. The court found the contract frustrated as of October 19, 2016, based on medical evidence, and determined the plaintiff was entitled to termination and severance pay under the Employment Standards Act, 2000. The court rejected claims for aggravated and punitive damages, finding the defendant's conduct was not malicious, and awarded the plaintiff $15,000 in costs on a partial indemnity basis.

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R. v. RONA Inc.

2018 ONSC 2934 (CanLII) · 2018-06-27

Frustration of Contract: Disability Termination After 13 Years

This is a summary judgment motion addressing whether an employer properly terminated an employee with 13 years of service due to permanent disability under the doctrine of frustration of contract. The court examined whether the employer acted reasonably in relying on available medical evidence without further inquiry and whether post-termination evidence could be used to establish frustration at the time of dismissal.

disability frustration of contract summary judgment wrongful dismissal

M. v. Complex Services Inc.

2018 ONSC 3590 (CanLII) · 2018-06-07

Wrongful Dismissal: Disability Accommodation Appeal

The Divisional Court dismissed an appeal from a trial judge's decision in a wrongful dismissal case where the employer alleged frustration of contract due to the employee's permanent disability. The trial judge had rejected the frustration defence, finding the employer failed to accommodate the employee or provide alternate employment opportunities, and the appellate court upheld these findings. The appeal was dismissed, confirming the employer's liability for wrongful dismissal.

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L. v. Lowerys Inc.

2018 ONCA 270 (CanLII) · 2018-03-19

Wrongful Dismissal Appeal: Frustration of Contract

This is an appeal to the Court of Appeal from a trial judge's decision in a wrongful dismissal action. The employee sued the employer for constructive dismissal, claiming workplace harassment and the termination of his employment benefits. The trial judge dismissed the action, finding the employment contract was frustrated because there was no reasonable likelihood the employee could return to work within a reasonable time. The Court of Appeal for Ontario dismissed the employee's appeal, agreeing that the contract was frustrated as of the date the benefits ended. The dismissal of the employee's action stands.

constructive dismissal frustration of contract workplace harassment wrongful dismissal

N. v. Thunder Bay Orthopaedic Inc.

2017 ONCA 641 (CanLII) · 2017-08-03

Wrongful Dismissal: 15 Months Notice Upheld After Disability Termination

This appeal concerns a wrongful dismissal claim where an employee was terminated after being placed on medical leave due to disability. The trial judge awarded 15 months' pay in lieu of notice and damages under the Human Rights Code, finding the employer satisfied its duty to accommodate but did not prove the contract was frustrated. The Court of Appeal upheld the trial judge's decision, finding no palpable and overriding error in the assessment of undue hardship or the refusal to award additional damages for loss of income.

disability duty to accommodate frustration of contract human rights wrongful dismissal

M. v Complex Services Inc.

2017 ONSC 2923 (CanLII) · 2017-05-11

Wrongful Dismissal: Frustration of Contract and Notice

This is a wrongful dismissal case involving an employee with 10 years of service who was terminated citing permanent disability. The court addressed whether the doctrine of frustration of contract applied, finding it was self-induced by the employer's failure to accommodate, and determined the appropriate notice period and damages owed.

duty to accommodate frustration of contract reasonable notice wrongful dismissal

L. v Lowerys Inc.

2017 ONSC 1808 (CanLII) · 2017-03-20

Constructive Dismissal Claim Dismissed; Contract Frustrated

This case involved a plaintiff alleging constructive dismissal due to workplace harassment and the termination of health benefits, alongside claims for human rights violations regarding disability accommodation. The court dismissed the constructive dismissal and human rights claims, finding no substantial alteration of the employment contract or failure to accommodate, and ultimately found the employment contract frustrated due to the plaintiff's ongoing disability. The court assessed 10 months' notice for wrongful dismissal only in the alternative, while dismissing claims for punitive and aggravated damages.

constructive dismissal duty to accommodate frustration of contract reasonable notice workplace harassment

B. v. Black & McDonald Ltd.

2016 ONSC 7220 (CanLII) · 2016-11-18

B. v. Black & McDonald: Human Rights & Wrongful Dismissal Appeal

This is an appeal from a Small Claims Court decision addressing both human rights and wrongful dismissal claims. The Divisional Court dismissed the appeal, upholding the lower court's findings that the employer breached the Ontario Human Rights Code by failing to accommodate the employee's disability and rejecting the employer's frustration argument. The court also upheld the costs award and the determination that long-term disability benefits were not deductible from damages.

costs duty to accommodate frustration of contract human rights wrongful dismissal

Estate of C.D. v Dick Engineering Inc.

2015 ONSC 2843 (CanLII) · 2015-04-30

Frustration of Contract: Termination & Severance Pay

This case addresses whether an employment contract was frustrated by an employee's terminal cancer and whether the employee's estate was entitled to termination and severance pay under the Employment Standards Act. The court determined that the illness frustrated the contract but held the estate entitled to statutory termination and severance pay. Additionally, the court addressed a separate issue regarding a sale of business, finding no termination or constructive dismissal occurred when the purchaser did not offer employment to the employee on sick leave.

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F. v. UBS

2011 ONSC 5448 (CanLII) · 2011-11-28

Frustration of Contract: Permanent Disability Termination

This case addresses whether an employer's termination of an employee's contract, citing frustration due to permanent disability and long-term absence, was legally justified. The court examined whether the employee's inability to return to work rendered the contract impossible to perform and whether the employer had sufficient medical evidence to rely on the doctrine of frustration despite the availability of long-term disability benefits.

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A. v. Steve’s Music

2011 ONSC 1480 (CanLII) · 2011-03-08

Wrongful Dismissal: 30-Year Employee Awarded 22 Months Notice

This wrongful dismissal case involved a 59-year-old employee with 30 years of service who was terminated without notice. The court rejected the employer's argument that the contract was frustrated by the employee's cancer diagnosis, finding he was capable of performing his duties at the time of dismissal. The court awarded 22 months' salary in lieu of notice, $35,000 in moral damages for bad faith conduct, and $20,000 in punitive damages for statutory breaches, while ruling that long-term disability benefits were not deductible from damages.

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N. v. Costco

2010 ONSC 2651 (CanLII) · 2010-06-15

Wrongful Dismissal: 17-Year Employee Awarded 10 Months Notice

This wrongful dismissal case involved a plaintiff employed for 17 years as a return-to-vendor clerk who was terminated following a prolonged illness. The court rejected the employer's argument that the contract was frustrated by the employee's absence, finding insufficient medical evidence of permanent incapacity. Applying the Bardal factors, the court determined the plaintiff was entitled to 10 months' notice of dismissal.

employment standards frustration of contract reasonable notice wrongful dismissal

D. v. Linamar Corporation

2010 ONSC 3159 (CanLII) · 2010-06-02

Frustration of Contract: Long-Term Disability Termination

This case addresses whether an employer was entitled to terminate an employment contract on the grounds of frustration when the employee had been unable to work since 2005 due to a chronic medical condition. The court applied the test for frustration to determine if the employee's incapacity rendered further performance radically different or impossible, and clarified that long-term disability benefits do not preclude the application of the common law doctrine of frustration.

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