Ontario Severance

Labour Relations Board — Ontario Employment Law

62 casesDecisions from 1952–2026

About Labour Relations Board

The Ontario Labour Relations Board (OLRB) is an independent, specialized administrative tribunal that plays a central role in resolving workplace disputes across the province. While it is best known for governing the relationship between trade unions, employers, and employees under the Labour Relations Act, 1995, its mandate extends much further. The Board also handles appeals of Ministry of Labour decisions under the Employment Standards Act, 2000 (ESA) and adjudicates complaints relating to workplace health and safety reprisals under the Occupational Health and Safety Act (OHSA).

Unlike traditional courts, the OLRB is designed to provide expert, rapid dispute resolution for labour matters. Because labour relations require stability and certainty, the Board operates under strict procedural rules and tightly compressed timelines. For example, during union certification drives, hearings and votes are scheduled in a matter of days. As Ontario case law frequently demonstrates, the Board expects strict compliance with its scheduling; individuals arriving late to a hearing may find the doors closed and the Board unwilling to reopen the matter.

Another defining feature of the OLRB is the broad discretion it holds over its own processes. It has the statutory power to compel evidence, manage how hearings are structured, and refuse to hear complaints that have been unreasonably delayed. For instance, if an employee waits several years to file a complaint alleging their union failed to represent them fairly, the Board can—and routinely does—exercise its discretion to dismiss the complaint entirely due to the delay.

When the OLRB issues a direction or order, it carries serious legal weight. If an employer or union fails to comply, the direction can be filed with the Superior Court of Justice and enforced as if it were a court order, sometimes resulting in contempt proceedings. However, courts require meticulous, strict compliance with statutory filing requirements before they will enforce these directions.

Navigating the OLRB’s specialized rules of procedure, case law, and evidentiary standards is notoriously challenging for those unfamiliar with administrative law. Because tribunal adjudicators expect parties to understand the procedural framework before they arrive, engaging a legal representative who actively practices before the Board is highly recommended to ensure your rights are not forfeited over a technical error.

Frequently Asked Questions

Does the Ontario Labour Relations Board only deal with unionized workplaces?

No. While the OLRB primarily governs unionized labour relations, non-unionized workers frequently interact with the Board when appealing a Ministry of Labour decision regarding unpaid wages under the ESA, or when filing a complaint that they were fired for raising a health and safety concern under the OHSA.

How long do I have to file a complaint against my union at the OLRB?

While there isn't always a strict mathematical deadline in the legislation for Duty of Fair Representation complaints, the Board expects them to be filed promptly. The OLRB has the legal discretion to refuse to investigate complaints delayed by months or years if there is no compelling justification for the hold-up.

Can I appeal a decision made by the Labour Relations Board?

OLRB decisions are generally intended to be final and binding. You can ask the Board to "reconsider" its own decision, but this is rarely granted. Alternatively, you can apply to the Divisional Court for a "judicial review," but courts give the OLRB significant deference and will only overturn decisions that are deemed highly unreasonable or procedurally unfair.

What happens if a company ignores an order from the OLRB?

An unchallenged direction or order from the Board can be formally filed with the Ontario Superior Court of Justice. Once filed, it becomes enforceable as a court order, meaning the offending party could face steep fines or contempt proceedings for continued non-compliance.

Do I need to hire a lawyer to submit an application to the Board?

You are legally permitted to represent yourself, but it is risky given the highly technical rules surrounding evidence, statutory interpretation, and hard filing deadlines. Having skilled representation is broadly advised to avoid having your case dismissed strictly on procedural grounds before the facts are even heard.

Common Scenarios

  • An employee feels their union wrongfully abandoned their unjust dismissal grievance and files a Duty of Fair Representation (DFR) complaint with the OLRB, only to face jurisdictional hurdles because they waited over two years to file.
  • A construction employer is served with a union certification application and must rapidly decipher OLRB procedural rules to file a factual response within a matter of days, before a representation vote is locked in.
  • A non-unionized worker's claim for minimum wage violations is denied by an Employment Standards Officer, prompting the worker to file a formal appeal to the OLRB for a fresh hearing (a hearing de novo).
  • An intervening group of employees arrives an hour late to an OLRB certification hearing due to traffic; the adjudicator refuses to halt the proceedings or reopen the discussion, emphasizing the tribunal's strict adherence to schedules.

What You Should Know

  • Treat OLRB deadlines as absolute; the Board's Rules of Procedure are unforgiving, and missing a timeline to file a response can result in the Board deciding the matter based entirely on the other party's materials.
  • If you seek to have an OLRB decision enforced by the courts through contempt proceedings, ensure that every technical filing requirement under the Labour Relations Act has been perfectly executed.
  • When requesting that the Board reconsider a previous decision under Section 95(1) of the Act, be aware that you must typically show new, previously unavailable evidence, not just disagree with the original outcome.
  • Tribunal procedures move incredibly fast—particularly in certification or construction industry disputes—so seeking specialized administrative legal guidance immediately upon receiving OLRB notices is critical to preserving your position.

Featured Cases

B. v. Public Service Alliance Of Canada et al

2026 ONSC 4761 (CanLII) · 2026-08-17

This is an interlocutory proceeding addressing subject matter jurisdiction in a labour relations dispute. The court dismissed the action, finding that the Labour Board has exclusive jurisdiction over the union's internal disciplinary process and allegations of procedural unfairness under the Federal Public Sector Labour Relations Act.

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W. v. Ontario Labour Relations Board et al

2026 ONSC 2580 (CanLII) · 2026-05-04

Judicial Review: Duty of Fair Representation & Union Bias

This is a judicial review application concerning the Ontario Labour Relations Board's decision to dismiss a duty of fair representation application. The Divisional Court reviewed whether the Board acted reasonably under the Vavilov standard regarding the union's withdrawal of a grievance, alleged bias, and sufficiency of reasons. The application for judicial review was dismissed.

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P. v. Walmart Canada Corporation

2025 ONSC 469 (CanLII) · 2025-01-22

Judicial Review of Labour Board Decision Dismissed

This is a judicial review application concerning the Ontario Labour Relations Board's dismissal of an appeal for delay and denial of reconsideration. The Divisional Court found the Board's decisions reasonable and procedurally fair, strictly enforcing statutory time limits and denying the admission of fresh evidence. The application was dismissed, and costs of $500 were awarded to the employer.

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A. & F. Di Carlo Construction Inc. v. S.

2024 ONSC 3945 (CanLII) · 2024-07-10

Judicial Review: OLRB Wage Order

The Divisional Court reviewed an employer's application for judicial review of an Ontario Labour Relations Board order directing the payment of wages. The Board had found that the employer was liable for standby pay owed to an employee who declined a call-in, and the Court considered the Board's findings of fact and credibility.

employment standards judicial review labour relations board reasonableness unpaid wages

L. v. Ontario Labour Relations Board

2024 ONSC 1253 (CanLII) · 2024-02-29

Judicial Review: Duty of Fair Representation & Extension of Time

This is a judicial review application concerning the Ontario Labour Relations Board's dismissal of a complaint alleging a union failed in its duty of fair representation. The applicant sought an extension of time to file a motion to set aside a motion judge's decision, which had previously denied an extension of time for the judicial review. The court addressed issues regarding the standard of review for discretionary decisions, the admissibility of fresh evidence, and the merit of the underlying application.

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CTS (ASDE) Inc. v. Labourers’ International Union of North America et al

2023 ONSC 1640 (CanLII) · 2023-03-13

Judicial Review: Unjust Dismissal & Discrimination

This is a judicial review application brought by an employer challenging a Labour Relations Board decision that found an employee's dismissal unjust and influenced by racial discrimination. The Board had determined that race was a factor in the termination despite the employer's allegations of just cause based on workplace incidents and insubordination. The Divisional Court reviewed whether the Board's findings on just cause and discrimination were reasonable under the Vavilov framework.

judicial review labour relations board racial discrimination reasonableness unjust dismissal

International Union of Operating Engineers, Local 793 v. Aecon Group Inc.

2023 ONSC 586 (CanLII) · 2023-01-27

Judicial Review: Mootness in OHSA Crane Certification Case

This is a judicial review of a decision by the Ontario Labour Relations Board concerning workplace health and safety obligations under the Occupational Health and Safety Act. The Divisional Court reviewed whether the application was moot because the construction project was completed and no practical remedy remained, and whether to exercise its discretion to hear the case. The Court also reviewed the Board's interpretation that overhead crane operators require specific training and certification under the relevant regulations.

crane certification judicial review labour relations board mootness occupational health and safety

J. v. Ontario Secondary School Teachers’ Federation

2023 ONSC 59 (CanLII) · 2023-01-05

Judicial Review: Union Duty of Fair Representation

This is a judicial review application concerning the Ontario Labour Relations Board's dismissal of a complaint against the Ontario Secondary School Teachers’ Federation for breach of the duty of fair representation. The Divisional Court assessed the reasonableness of the Board's decisions regarding summary dismissal for delay and failure to establish a prima facie case.

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M. v. Aramark Food Services Ltd.

2022 ONSC 4563 (CanLII) · 2022-08-05

Judicial Review: Labour Board Finality & Extension of Time

This is a judicial review application concerning the finality of Labour Board decisions from 2015 and 2016. The applicant sought an extension of time to challenge these decisions seven years later, citing disability-related delays and alleged fresh evidence from recovered memories. The Divisional Court reviewed the application, finding the delay inordinate and unjustifiable, and holding that generalized assertions of fresh recollections were insufficient to disturb the final decisions.

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Labourers’ International Union of North America, Local 183 v. The Daniels Group Inc.

2022 ONSC 3554 (CanLII) · 2022-06-15

Judicial Review: Union Certification Dismissal

This is a judicial review of an Ontario Labour Relations Board decision dismissing a union certification application. The Divisional Court examined whether the Board reasonably exercised its discretion under s. 128.1(13) of the Labour Relations Act, 1995, to decline ordering a representation vote due to the absence of a reliable denominator for support levels. The Court upheld the Board's decision, finding the reasons coherent and justified.

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Cambridge Pallet Ltd. v. P.

2022 ONSC 3213 (CanLII) · 2022-06-03

Workplace Reprisal: OHSA Judicial Review Dismissed

This is a judicial review of a Labour Relations Board decision concerning a workplace reprisal under the Occupational Health and Safety Act. The Divisional Court dismissed the application, upholding the Board's finding that the termination related to health and safety complaints and that the employer did not meet its onus.

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C. v. Ontario Labour Relations Board

2021 ONSC 7590 (CanLII) · 2021-11-19

Judicial Review: Reprisal Dismissal & OHSA Rights

This is a judicial review of a decision by the Ontario Labour Relations Board concerning an applicant's allegation that their dismissal was a reprisal for exercising workplace health and safety rights. The Divisional Court reviewed the matter, finding no breach of procedural fairness, no bias, and that the Board's determination of no causal connection between the safety concerns and termination was reasonable.

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2317945 Ontario Inc. carrying on business as KD Poultry v. L., 2021

2021 ONSC 4293 (CanLII) · 2021-06-21

Judicial Review: Farm Worker Exemption Under ESA

This is a judicial review of an Ontario Labour Relations Board decision concerning the applicability of the farm worker exemption under the Employment Standards Act, 2000. The Divisional Court upheld the Board's reasonable interpretation that the exemption did not apply to poultry service workers providing services to multiple farms, thereby excluding them from the exemption.

employment standards farm worker exemption judicial review labour relations board reasonableness

ASL Agrodrain Limited v. International Union of Operating Engineers

2019 ONSC 7194 (CanLII) · 2019-12-12

Judicial Review of Union Certification Decision

An employer sought judicial review of the Ontario Labour Relations Board's decision certifying a union as the bargaining agent for heavy equipment operators. The Divisional Court reviewed the Board's decision, finding that the imposition of specific pleading requirements and the refusal to allow amendment of pleadings did not deny procedural fairness or constitute an error in certification based on card counts.

judicial review labour relations labour relations board procedural fairness union certification

A. v. Eamon Park Housing Cooperative Inc.

2019 ONSC 6868 (CanLII) · 2019-11-27

Judicial Review: OHSA Reprisal Dismissal Upheld

This is a judicial review of the Ontario Labour Relations Board's decision dismissing the applicant's reprisal claim under section 50 of the Occupational Health and Safety Act. The Divisional Court applied the reasonableness standard and upheld the Tribunal's findings, determining that the employer's actions were good faith exercises of authority and not reprisals for workplace safety complaints.

judicial review labour relations board ohsa reprisal workplace injury

M. v. Ontario Labour Relations Board

2019 ONSC 1561 (CanLII) · 2019-03-07

Judicial Review: Duty of Fair Representation

This is a judicial review of the Ontario Labour Relations Board's decisions dismissing an applicant's claims against a union for withdrawing a grievance. The Divisional Court assessed whether the Board's decisions regarding the union's duty of fair representation were reasonable and procedurally fair.

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M. v. Ontario Labour Relations Board

2018 ONSC 5959 (CanLII) · 2018-10-09

Appeal: Duty of Fair Representation

This appeal concerned a judicial review application challenging the Ontario Labour Relations Board's decision to dismiss the applicant's claim that his union breached its duty of fair representation. The Divisional Court dismissed the application. The appeal addressed whether the Board's decision regarding the union's handling of grievances and settlement was reasonable and procedurally fair.

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S. & T. Electrical Contractors Limited v. Iron Workers District Council of Ontario

2018 ONSC 4200 (CanLII) · 2018-07-10

This is a judicial review application concerning the Labour Relations Board's advisory opinion and procedural fairness under the Labour Relations Act, 1995. The Divisional Court found that the Board's opinion was not reviewable as it did not determine legal rights and that any procedural errors did not prejudice the outcome.

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FCI Concrete Forming Inc. v. Buttcon Limited

2018 ONCA 268 (CanLII) · 2018-03-19

Labour Relations Board Exclusive Jurisdiction Appeal

This is an appeal to the Court of Appeal from a motion judge's decision staying a civil action. The plaintiff employers sued a union and a contractor for conspiracy to injure. The motion judge stayed the action, finding that the essence of the dispute was an alleged unfair labour practice over which the Labour Relations Board had exclusive jurisdiction. The Court of Appeal dismissed the appeal, agreeing that the statement of claim's allegations, such as an improper union grievance, were labour relations matters for the Board to determine. The stay of the civil action stands.

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Labourers International Union of North America, Local 183

2017 ONSC 6780 (CanLII) · 2017-11-22

Judicial Review: Union Jurisdictional Dispute Upheld

This is a judicial review of an Ontario Labour Relations Board decision concerning a jurisdictional dispute over the assignment of exterior concrete formwork work on a construction project. The Divisional Court reviewed whether the Board reasonably concluded that the Labourers’ ICI Collective Agreement did not establish a claim to the disputed work and whether the Board’s interpretation of the agreement and relevant factors was reasonable. The Court found that the Board’s decision was reasonable under the Dunsmuir standard and upheld the Board's finding that the collective agreement did not grant the claim.

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