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Wrongful Dismissal 8 min read

Salary Reduction as Constructive Dismissal: How Much Is Too Much?

David Chen, Senior Legal Writer · December 2, 2025

Summary

Your employer says they need to reduce your salary. Maybe it is 10 percent. Maybe 20 percent. At what point does a pay cut become a constructive dismissal — and what are your options when it happens?

Salary reductions are the constructive dismissal scenario that generates the most confusion for employees. A termination is unambiguous — you are told you no longer have a job. A salary reduction is ambiguous — you still have a job, but the terms have changed. The question is whether the change is significant enough to constitute a fundamental breach of the employment contract. The short answer is that courts have generally treated salary reductions of 15 to 20 percent or more as constructive dismissal. But the analysis is not purely mathematical. A 10 percent salary reduction combined with a reduction in responsibilities, a title change, and a loss of direct reports may constitute constructive dismissal even though no single change, standing alone, would meet the threshold. At Blackline, we advise employees to assess salary reductions not in isolation but in the context of the broader employment relationship. The question is not just how much less you are being paid. The question is whether the employment relationship, taken as a whole, has been fundamentally changed. — Ajay Krishnan, Founder

The Constructive Dismissal Framework

Constructive dismissal occurs when the employer, without the employee's consent, makes a fundamental change to a term of the employment contract. The employee does not voluntarily resign — they are treated, by law, as having been dismissed, because the employer's unilateral change to the contract amounts to a repudiation of the employment relationship.

The Supreme Court of Canada confirmed the two-branch test for constructive dismissal in Potter v. New Brunswick (Legal Aid Services Commission), 2015 SCC 10:

Branch 1: The employer has breached an express or implied term of the employment contract in a single act that is sufficiently serious to constitute a repudiation of the contract.

Branch 2: The employer's conduct, viewed in the totality of the circumstances, demonstrates an intention to no longer be bound by the employment contract. This branch captures situations where no single act constitutes a breach, but the cumulative effect of multiple changes demonstrates that the employer has repudiated the contract.

A salary reduction can constitute constructive dismissal under either branch. A sudden, significant salary reduction is a breach of the express compensation term of the employment contract (Branch 1). A series of incremental salary reductions, combined with other adverse changes, may demonstrate the employer's intention to no longer be bound by the original terms (Branch 2).

The Threshold: How Much Is Too Much?

There is no legislated threshold for what constitutes a constructive dismissal. The analysis is contextual, and the answer depends on the magnitude of the reduction, whether the reduction is temporary or permanent, whether the reduction is accompanied by other changes, the employee's total compensation (base salary, bonus, benefits, equity), and the employer's reasons for the reduction.

General Guidance from the Case Law

Ontario courts have provided general guidance on the threshold:

Reductions of 20 percent or more are almost certainly constructive dismissal. A reduction of this magnitude is a fundamental change to the compensation term of the employment contract, and courts will treat it as a repudiation absent exceptional circumstances.

Reductions of 10 to 20 percent are in the grey zone. A reduction in this range may or may not constitute constructive dismissal, depending on the circumstances. Relevant factors include whether the reduction is temporary (with a defined restoration date) or permanent, whether it applies to the entire workforce or only to the individual employee, whether it is accompanied by other adverse changes (reduced responsibilities, title change, loss of direct reports), and whether the employee's total compensation (including bonus and benefits) has been reduced by a comparable amount.

Reductions of less than 10 percent are less likely to constitute constructive dismissal standing alone, but may contribute to a constructive dismissal claim under Branch 2 of the Potter test if combined with other adverse changes.

The Total Compensation Analysis

Courts assess the impact on total compensation, not just base salary. An employer that reduces an employee's base salary by 5 percent but simultaneously eliminates their annual bonus (which was 20 percent of total compensation) has effectively reduced total compensation by approximately 24 percent — well within the constructive dismissal range.

Similarly, an employer that maintains the employee's base salary but significantly reduces their commission rate, eliminates their car allowance, downgrades their benefits, or removes their equity participation may be constructively dismissing the employee even though the base salary is unchanged.

The Temporary Reduction

A temporary salary reduction — one that is expressly time-limited and accompanied by a commitment to restore the original salary by a specific date — is less likely to constitute constructive dismissal than a permanent reduction. During economic downturns, employers sometimes implement across-the-board temporary salary reductions to avoid layoffs. Courts have shown some willingness to accept temporary reductions as reasonable employer responses to genuine financial difficulty, particularly when the reduction is applied uniformly, is modest in amount, is limited in duration, and is accompanied by transparent communication about the reasons and the restoration plan.

However, even a temporary reduction can constitute constructive dismissal if the reduction is substantial, the duration is indefinite or unreasonably long, the reduction is imposed selectively (on one employee rather than uniformly), or the employer has not demonstrated a genuine financial need.

The Employee's Response

When an employer announces a salary reduction, the employee must make a decision — and the timing of that decision matters.

Option 1: Accept the Reduction

The employee can accept the salary reduction and continue working under the new terms. If the employee continues working for a significant period without objecting, the court may find that the employee has acquiesced to the new terms — effectively accepting the changed contract. The constructive dismissal claim is weakened or lost.

How long an employee can continue working before being found to have acquiesced is not fixed. Courts have found acquiescence after periods ranging from a few months to over a year, depending on the circumstances. The key factor is whether the employee communicated their objection to the change.

Option 2: Object and Continue Working

The employee can object to the salary reduction in writing, clearly stating that they do not accept the change to the terms of their employment and are continuing to work under protest. This preserves the employee's constructive dismissal rights while maintaining the employment relationship.

The "work under protest" approach allows the employee to continue receiving income while exploring their legal options. It is generally the recommended approach for employees who are uncertain about their rights or who cannot afford to leave immediately.

The objection should be in writing and should clearly state that the employee does not consent to the salary reduction, that they consider the reduction to be a fundamental change to the terms of their employment, and that they are continuing to work while reserving their rights.

Option 3: Treat the Reduction as Constructive Dismissal

The employee can resign and claim constructive dismissal. This is the most aggressive option and carries the most risk — if the court ultimately finds that the salary reduction did not constitute constructive dismissal, the employee may be found to have voluntarily resigned and may lose their entitlement to damages.

This option is most appropriate when the salary reduction is clearly within the constructive dismissal range (20 percent or more), the employee has obtained legal advice confirming the strength of their claim, and the employee is prepared to pursue a wrongful dismissal claim.

Damages for Constructive Dismissal

If the court finds that the salary reduction constituted constructive dismissal, the employee is entitled to the same damages as if they had been terminated without cause — reasonable notice damages, calculated using the Bardal factors.

The damages are based on the employee's pre-reduction compensation. The employer cannot argue that the employee's damages should be calculated based on the reduced salary — the whole point of the constructive dismissal finding is that the reduction was a breach of the original contract.

In addition to reasonable notice damages, the employee may be entitled to moral damages if the employer's conduct in implementing the salary reduction was carried out in bad faith — for example, if the reduction was pretextual, if the employer lied about the reasons, or if the reduction was implemented in a manner designed to force the employee to resign.

Employer Strategies — and How to Respond

Employers sometimes implement salary reductions using strategies designed to minimize legal risk:

The gradual reduction. The employer reduces salary in small increments over an extended period — 3 percent this year, 3 percent next year — hoping that no single reduction meets the constructive dismissal threshold. The cumulative effect may exceed the threshold, and the employee should track the total reduction over time.

The role change. The employer reduces the employee's salary in connection with a role change — "we're restructuring your position, and the new role carries a lower salary." The role change may itself be a constructive dismissal (if it involves a significant reduction in responsibilities or seniority), independent of the salary reduction.

The "voluntary" reduction. The employer presents the reduction as voluntary — "we're asking all employees to accept a temporary pay cut." If the reduction is truly voluntary, the employee can refuse. If refusing has consequences (termination, negative performance review, loss of opportunities), the voluntariness is illusory.

In each case, the employee's response should be the same: document the change, object in writing, and consult an employment lawyer.

The salary is the most fundamental term of the employment contract. When the employer changes it unilaterally, the employee has the right to say no — and the law provides remedies when the change is substantial enough to constitute a repudiation of the deal.

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This article is for informational purposes only and does not constitute legal advice. Attorney-client relationships form only through a signed engagement agreement after a conflict check.

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