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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Work & Employment Rights Ontario » Wrongful Dismissal & Severance Ontario » Combining Working Notice and Lump Sum Severance in Ontario

Combining Working Notice and Lump Sum Severance in Ontario

10 Jun 2026 4 min read No comments Wrongful Dismissal & Severance Ontario
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Ontario employers can strategically reduce termination costs by combining “working notice” with a “lump sum” severance payment. If structured correctly, allowing an employee to work for 2 months and paying out the remaining 4 months as a lump sum completely satisfies common law obligations. Defending against a wrongful dismissal claim at the Superior Court costs $339 CAD in filing fees.

Terminating long-term employees is one of the most expensive realities of running a business. 💰 In Ontario, common law severance requirements can easily reach 18 to 24 months of pay for senior staff. Simply handing an employee a massive lump sum cheque on their way out the door puts a heavy strain on corporate cash flow. However, many business owners do not realize they have another highly effective legal tool at their disposal: Working Notice.

Instead of a pure lump sum, an employer has the legal right to provide reasonable notice of termination by requiring the employee to continue working until a specific end date. While keeping a terminated employee in the office carries risks regarding morale, utilizing a hybrid approach-giving them a few months of working notice followed by a smaller lump sum payment-can drastically reduce financial liability while treating the departing worker fairly.

Step-by-Step Process in Ontario

Whether your business operates in Toronto, London, or Hamilton, successfully combining working notice and lump sums requires flawless HR execution. 📚 If you make a mistake, the employee can claim constructive dismissal and sue for additional money.

Step 1: Calculating the Total Common Law Notice

Before offering any hybrid package, you must consult an employment lawyer to estimate the employee’s total common law entitlement based on their age, tenure, and position. For example, if a manager is owed roughly 10 months of total notice, you can structure it as 3 months of working notice plus 7 months of lump sum severance.

Step 2: Issuing a Clear, Unequivocal Termination Letter

The courts demand absolute clarity. 📝 The termination letter must clearly state the exact date the employment will end. Vague statements like “We might let you go in a few months” do not legally count as working notice. The letter must firmly establish the working notice period and detail the lump sum offer that follows.

Step 3: Maintaining the Status Quo

Employment ConditionDuring Working NoticeLegal Risk if Changed
Salary & BenefitsMust remain 100% exactly the same.Constructive Dismissal Claim.
Job Duties & TitleMust remain substantially the same.Constructive Dismissal Claim.
Work EnvironmentMust be professional and non-toxic.Bad Faith / Moral Damages Claim.

Step 4: Handling the ESA Statutory Minimums

Ontario’s Employment Standards Act (ESA) has strict rules. While working notice can satisfy the ESA “termination pay” requirement, ESA “severance pay” (for companies with a payroll over $2.5 million and employees with 5+ years of service) must almost always be paid out as a lump sum or salary continuation after the employment actually ends.

Step 5: Managing the Risk of Employee Resignation

When an employee is on working notice, they are legally obligated to look for a new job to “mitigate” their damages. 👨‍💻 If they find a job and resign before the working notice period is over, the employer generally saves money, as the obligation to pay the remaining notice drops (unless the hybrid contract specifically guaranteed the lump sum payout regardless).

Step 6: Securing the Full and Final Release

The lump sum portion of the severance package should be offered conditionally. The employee must be required to sign a Full and Final Release on their very last day of working notice in exchange for the lump sum cheque. This protects your business from any future civil lawsuits.

How Much Does it Cost in Ontario?

Properly executing a hybrid termination saves money, but you must invest in upfront legal compliance:

  • Law Firm Drafting Fees: Having an employment lawyer properly draft the termination letter and release usually costs an hourly rate of $300 to $650 CAD.
  • Court Defense Costs: If you botch the working notice and the employee sues, filing a Statement of Defence at the Superior Court of Justice requires a $339 CAD fee.
  • Mediation: If a dispute arises regarding the fairness of the package, hiring a private mediator costs roughly $1,500 to $3,500 CAD for a half-day session.

How Long Does the Process Take?

Timelines depend entirely on the strategy deployed by HR and management. ⌛

  • Working Notice Duration: Usually set between 4 to 12 weeks. Making an employee work longer than 3 months after being fired often leads to extreme toxicity and productivity drops.
  • Lump Sum Payout: Under the ESA, statutory minimums must generally be paid within 7 days of the final working day, or on the next regular pay day.
  • Limitation Period: If the employee rejects the lump sum offer and sues, they have 2 years from the date of the formal termination notice to file a claim.

Frequently Asked Questions (FAQ)

Can an employee simply refuse to work the notice period?

If the employer provides a legal, reasonable working notice period and the work environment is safe, the employee cannot just walk out and demand a lump sum instead. If they resign and walk out early, they generally forfeit their right to the remaining common law severance.

What happens if the employee takes sick leave during working notice?

If an employee goes on a legitimate, doctor-approved medical leave during their working notice, the working notice clock still ticks. However, they cannot actively seek new employment while sick, which complicates the mitigation rules. Consult a lawyer immediately.

Can we walk the employee out early if they become toxic?

Yes. If an employee on working notice starts sabotaging projects or spreading severe negativity, you can terminate the working notice early. However, you must immediately pay them out the financial equivalent of the remaining notice period as a lump sum.

Does working notice count towards pension and bonus entitlements?

Absolutely. Because the employee is still actively employed during the working notice period, they continue to accrue vacation pay, pension contributions, and are generally entitled to any non-discretionary bonuses that vest during that specific time frame.

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