Arbitrator Jurisdiction — Ontario Employment Law
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About Arbitrator Jurisdiction
In Ontario labour and employment law, "arbitrator jurisdiction" refers to the strict legal boundaries that dictate what a dispute adjudicator is legally authorized to decide and what remedies they can award. Unlike superior court judges who possess broad inherent powers, arbitrators derive their authority exclusively from specific sources: the collective agreement (or employment contract) and relevant legislation, such as the Ontario Labour Relations Act, 1995 (LRA). Understanding these boundaries is critical, as a decision made outside of an arbitrator's jurisdiction can be quashed or overturned by a court.
Jurisdictional disputes most frequently arise in unionized workplaces around the concept of "arbitrability"—whether the arbitrator actually has the right to hear a particular grievance. For example, debates often occur over whether an arbitrator can rule on retiree benefits after a collective agreement has expired, or whether specific issues qualify as "working conditions" under statutes like the province's Police Services Act.
Another major facet of arbitrator jurisdiction involves the scope of their remedial powers. Arbitrators are tasked with interpreting collective agreements, but they strictly lack the jurisdiction to amend, alter, or rewrite them. If a collective agreement contains a specific penalty clause—such as mandating immediate termination for workplace intoxication—an arbitrator generally exceeds their jurisdiction if they decide to substitute that penalty with a mere suspension. Similarly, an arbitrator might overstep their bounds if, instead of ruling on the substantive issue of "just cause" for a suspension, they veer off course and mandate an employee undergo a psychiatric assessment without contractual backing.
When a party believes an arbitrator has acting beyond their scope, the recourse is typically to seek a Judicial Review in the Ontario Divisional Court. The reviewing court will assess whether the arbitrator's core assumption of power was legally correct or if they improperly expanded their own mandate.
Evaluating the legal ceiling of a decision-maker's authority involves navigating complex intersections of contract language and administrative law. Because assessing whether a tribunal has stepped over its boundaries is highly dependent on the precise wording of your workplace agreement and governing statutes, securing guidance from an experienced labour lawyer is essential to determine the viability of a jurisdictional challenge.
Frequently Asked Questions
What does it mean to say a grievance is "not arbitrable"?
If a grievance is deemed "not arbitrable," it means the arbitrator lacks the legal jurisdiction to hear or rule on the matter. This typically happens because the issue falls outside the scope of the collective agreement, the agreement has expired without vesting the specific rights in question, or statutory rules prevent it.
Can an arbitrator change the penalty my employer gave me if I am fired?
Often, yes, but their jurisdiction to substitute a penalty is limited by the collective agreement. If the agreement explicitly states that a specific infraction (like theft or drunkenness) carries a mandatory penalty of discharge, an arbitrator ordinarily cannot override that specific penalty to give you a suspension instead.
Does an arbitrator have jurisdiction after a collective agreement expires?
Generally, an arbitrator's jurisdiction is tied to the active term of the collective agreement. However, certain "vested" rights, such as specific retiree benefits or grievances that crystallized while the agreement was still in force, may still fall under an arbitrator's jurisdiction post-expiration depending on the contract's language.
Are arbitrators allowed to order an employee to undergo medical or psychiatric assessments?
An arbitrator's ability to order medical assessments must be rooted in the collective agreement or necessary to fulfill their statutory mandate. If they ignore the main grievance (like determining just cause for discipline) and order a psychiatric evaluation without clear authority, a court may find they exceeded their jurisdiction.
Are there time limits regarding arbitrator jurisdiction issues?
Yes. If a collective agreement outlines strict, mandatory time limits for filing or escalating a grievance, missing those deadlines might strip the arbitrator of their jurisdiction to hear the case entirely. Furthermore, if you wish to challenge an arbitrator's decision for exceeding their jurisdiction, an application for Judicial Review in Ontario should generally be filed within 30 days of the decision.
When should our union or organization speak to a lawyer about arbitrator authority?
You should engage legal counsel immediately if the opposing party is raising preliminary objections that your grievance falls outside the agreement's scope, or if you believe an arbitrator has just issued an award that blatantly ignored or rewrote the terms of your contract.
Common Scenarios
- A unionized employee is fired for consuming alcohol on the job. The collective agreement clearly dictates that intoxication results in automatic discharge. The union asks the arbitrator to reduce the penalty to a three-month suspension, but the employer argues the arbitrator has no jurisdiction to substitute the penalty given the strict contract language.
- A group of retired factory workers file a grievance over the cancellation of their health benefits, but the collective agreement under which they retired expired three years ago. The employer claims the arbitrator lacks the jurisdiction to hear the case because the governing contract is no longer active.
- During arbitration for a nurse's administrative suspension, the arbitrator refuses to rule on whether the hospital had "just cause." Instead, the arbitrator orders the nurse to complete an independent psychiatric assessment to determine fitness to work, leading the union to claim the adjudicator ignored the primary issue and overstepped their legal authority.
- A police association attempts to grieve a specific internal policy change, arguing it affects "working conditions." The police services board objects, stating that under the definitions in the Police Services Act, this specific policy is a core management right and entirely outside an arbitrator's statutory jurisdiction to review.
What You Should Know
- Carefully review the "Management Rights" and "Discipline" clauses in your collective agreement, as these sections directly dictate whether an arbitrator has the legal power to substitute a lesser penalty for an employer's disciplinary action.
- Raise any concerns about a tribunal's authority at the very beginning of the hearing as a 'preliminary objection'; waiting until you receive a negative decision to complain about jurisdiction represents a significant procedural risk.
- Remember that arbitrators are legally bound to interpret the agreement as written; they cannot "read in" new clauses or ignore clear contractual language simply because they feel a different outcome would be fairer.
- Promptly review any questionable arbitration award with legal counsel to see if a Judicial Review is warranted, keeping a close eye on the tight 30-day window for challenging decision-makers in Ontario court.
Featured Cases
D.M. v. R.
2018 ONCA 884 (CanLII) · 2018-11-05Appeal Dismissed; Arbitrator Jurisdiction Upheld
This decision is an appeal to the Court of Appeal from a motion judge's order striking the appellant's civil claim. The dispute involved unionized workers, and the motion judge ruled that it was governed by their collective agreement. The Court of Appeal dismissed the appeal, upholding the ruling that the dispute fell within an arbitrator's exclusive jurisdiction because the arbitrator had the power to remedy the wrong. The Court also denied the respondents' motion for leave to appeal the costs award. The dismissal of the civil claim stands.
Air Canada v. CUPE
2010 ONSC 456 (CanLII) · 2010-01-22Judicial Review of Labour Arbitration: VSP and Jurisdiction
This is a judicial review of a labour arbitrator's decision concerning the interpretation of a collective agreement and a Voluntary Separation Program (VSP). The Divisional Court addressed whether the arbitrator exceeded his jurisdiction and determined the appropriate standard of review for the arbitrator's decision under the Canada Labour Code.
Canada Post Corporation v. Canadian Union of Postal Workers
2008 CanLII 32313 (ON SCDC) · 2008-06-26Arbitrator Jurisdiction: Functus Officio in Labour Arbitration
This is a judicial review of a labour arbitration award involving Canada Post Corporation and the Canadian Union of Postal Workers. The court addressed whether the arbitrator was functus officio when he amended the cut-off date for calculating damages and whether he had jurisdiction to do so under the Collective Agreement and the Canada Labour Code.
James Bay General Hospital v. P.S.A.C.
2004 CanLII 76758 (ON SCDC) · 2004-03-26This is a judicial review of an arbitrator's decision concerning the interpretation of section 48(16) of the Labour Relations Act, 1995. The Divisional Court reviewed the arbitrator's discretion to extend the time limit for referring a grievance to arbitration, finding that the governing collective agreement structured arbitration as part of the grievance procedure.
Hamilton (City of) v. Canadian Union of Public Employees
1997 CanLII 1875 (ON CA) · 1997-03-18Judicial Review of Arbitrator's Jurisdiction in Collective Agreement
This is a judicial review of an arbitration award concerning a collective agreement dispute between the City of Hamilton and the Canadian Union of Public Employees. The Court of Appeal for Ontario reviewed whether the arbitrator exceeded their jurisdiction by amending the collective agreement and implying a term to red-circle the grievor's salary after a transfer to a lower-rated position.
Canadian Union of Postal Workers v. Canada Post Corp.
1991 CanLII 7245 (ON SC) · 1991-12-16A judicial review application concerning a labour arbitration decision regarding the arbitrator's jurisdiction and the interpretation of a collective agreement. The court examined whether the arbitrator was functus officio, the scope of informal grievance procedures under the BAR agreement, and whether the arbitrator's interpretation of the collective agreement was patently unreasonable.
Metropolitan Toronto Police Assn. v. Metropolitan Commissioners of Police (Div. Ct.)
1989 CanLII 4397 (ON SC) · 1989-03-28Collective Agreement No Strike Clause and Police Act Interpretation
A case involving the interpretation of the Police Act regarding whether 'no strike' and 'no lock-out' clauses in collective agreements fall under 'working conditions' and whether arbitrators have jurisdiction to include such clauses. The dispute centers on statutory interpretation and the scope of bargaining under the Police Act.
B. v. Greater Niagara General Hospital (Ont.Div.Ct.)
1988 CanLII 4619 (ON SC) · 1988-02-16Nurse Grievance Arbitration: Jurisdiction and Procedural Fairness Issues
A merits decision involving a nurse suspended for refusing to comply with a medical information release and psychiatric assessment. The arbitrator ordered a psychiatric assessment and adjourned the hearing, raising questions about whether the arbitrator exceeded jurisdiction by failing to address substantive grievance issues, including just cause and penalty under the collective agreement.
Re Dayco (Canada) Ltd. and National Automobile, Aerospace & Agricultural Implement Workers Union of Canada et al.
1987 CanLII 4272 (ON SC) · 1987-08-27Retiree Benefits and Arbitrator Jurisdiction Post-Collective Agreement Expiration
A labour and employment case concerning the arbitrability of a grievance related to retiree benefits after the expiration of a collective agreement. The union argued that retiree benefits vested during the agreement’s term and extended beyond its expiration, while the company contended that benefits terminated with the agreement. The arbitrator found no jurisdiction to hear the grievance post-expiration, and the case addresses whether retiree benefits under a collective agreement survive its expiration.
Re Colonial Cookies, a Division of Beatrice International (Canada) Ltd. and United Food & Commercial Workers International Union, AFL, CIO, CLC, Local 617P et al.
1986 CanLII 2783 (ON SC) · 1986-11-18Collective Agreement Penalty Dispute: Arbitrator's Jurisdiction Quashed
A labour and employment case involving a dispute over the arbitrator's jurisdiction to substitute penalties under a collective agreement. The collective agreement specified a penalty for certain infractions, including drunkenness, and the arbitrator substituted suspensions for discharges. The court ruled that the arbitrator exceeded jurisdiction by substituting penalties contrary to the collective agreement.
Re Metropolitan Toronto Civic Employees' Union, Local 43, Canadian Union of Public Employees and Municipality of Metropolitan Toronto et al.
1985 CanLII 2088 (ON SC) · 1985-04-03Arbitrator Jurisdiction: Estoppel in Labour Grievances
The case addresses whether a labour arbitrator has the jurisdiction to apply the doctrine of estoppel to enforce pre-employment representations made to employees regarding retirement benefits, despite the statutory requirement that collective agreements be in writing.
Re Great Atlantic & Pacific Co. of Canada Ltd. and United Food & Commercial Workers International Union, Locals 175 and 633 et al.
1984 CanLII 1829 (ON CA) · 1984-12-18This is a judicial review of a grievance arbitration award involving an employee discharged for theft. The central issue is whether the arbitrator exceeded their jurisdiction by imposing conditions on reinstatement, including a waiver of future grievance rights, under the Labour Relations Act.
Great Atlantic & Pacific Co. of Canada Ltd. v. United Food & Commercial Workers International Union, Local 175
1984 CanLII 3065 (ON HCJDC) · 1984-05-03A judicial review of a labour arbitration award where the arbitrator reinstated a grievor found guilty of theft but imposed conditions regarding their permanent record and future penalty acceptance. The Divisional Court quashed the condition requiring the grievor to accept future penalties without grievance rights as beyond the arbitrator's jurisdiction, while upholding the condition regarding the permanent record.
Re Great Atlantic & Pacific Co. of Canada Ltd. and United Food & Commercial Workers International Union, Locals 175 and 633 et al.
1984 CanLII 1983 (ON SC) · 1984-05-03Grievance Arbitration: Employee Discharged for Theft and Reinstatement Conditions
A grievance arbitration case involving an employee discharged for theft, where the arbitrator imposed conditions on reinstatement, including a permanent record of the incident and future penalties without grievance rights. The court upheld the permanent record condition but quashed the removal of future grievance rights, finding it contravened the Labour Relations Act and collective agreement.
Re Hotel, Restaurant & Cafeteria Employees Union, Local 75 and Royal York Hotel
1983 CanLII 1831 (ON SC) · 1983-06-24Arbitrator Jurisdiction: Labour Relations Act s. 45
A judicial review application concerning the jurisdiction of an arbitrator appointed under section 45(1) of the Labour Relations Act when a grievance had already been initiated under the collective agreement. The court addressed whether strict time limits for referring grievances applied to the initiation of the arbitration process and the standard of deference owed to the arbitrator's interpretation of the statute and agreement.
Re Metropolitan Toronto Board of Commissioners of Police and Metropolitan Toronto Police Association
1980 CanLII 1834 (ON SC) · 1980-06-09Probationary Police Officer Dismissal and Arbitrator Jurisdiction
A judicial review case concerning the dismissal of a probationary police officer and whether the arbitrator had jurisdiction to hear the grievance. The court held that probationary officers with less than 18 months of service are excluded from collective agreements under Regulation 680, s. 27(b), and the arbitrator's decision was set aside. The case later reached the Supreme Court of Canada (Toronto Police Association v. Toronto Police Commissioners Board, [1982] 1 SCR 451). The Supreme Court dismissed the appeal from the Ontario Court of Appeal, finding no reversible error. The judgment quashing the arbitration award stands.
Re 401548 Ontario Ltd. and Retail, Wholesale & Department Store Union, Local 448
1980 CanLII 1575 (ON SC) · 1980-04-11Collective Agreement Dispute: Management Performing Bargaining Unit Work
A labour and employment case involving a dispute over whether management breached a collective agreement by performing work typically done by union employees. The arbitrator's interpretation of the agreement was challenged, and the court examined whether the arbitrator exceeded their jurisdiction by granting relief not sought by the parties.
Re Sudbury Regional Board of Commissioners of Police and Sudbury Regional Police Association et al.
1976 CanLII 816 (ON SC) · 1976-07-14Police Promotion Jurisdiction: Arbitrator's Authority Upheld
A labour and employment case involving police officers, addressing whether the promotion of officers falls under 'working conditions' under section 29(2) of the Police Act and whether the arbitrator has jurisdiction to address such matters. The court upheld the arbitrator's jurisdiction to address promotions as part of working conditions.
Re Douglas Aircraft Co. of Canada Ltd. and International Union, United Automobile Aerospace & Agricultural Implement Workers of America (U.A.S.-C.L.C.)
1974 CanLII 688 (ON SC) · 1974-08-27This is a judicial review proceeding concerning a labour arbitration award where an arbitrator reduced a discharge penalty to a suspension due to unequal treatment among employees. The court examined whether the arbitrator had jurisdiction to modify the penalty under the Labour Relations Act and collective agreement, and whether reliance on inaccurate statements constituted an error of law depriving the arbitrator of jurisdiction.
Re Metropolitan Toronto Police Association and Metropolitan Board of Commissioners of Police
1974 CanLII 609 (ON HCJDC) · 1974-04-24Collective Agreement Dispute: Radio Dispatching and Management Rights
A labour and employment case involving the interpretation of a collective agreement between the Metropolitan Toronto Police Association and the Metropolitan Board of Commissioners of Police. The dispute centers on whether the radio dispatching duties fall under the collective agreement and whether the arbitrator erred in determining no violation occurred. The case also examines the jurisdiction of arbitrators under the Police Act and the management rights of police commissioners in assigning duties to civilian employees.