In the complex dance of Canadian labour relations, the line between an employer’s operational authority and an employee’s right to push back is constantly being tested. For HR professionals, navigating this boundary requires a deep understanding of both collective agreements and the evolving interpretations of workplace tribunals. Recently, two significant rulings have emerged that strongly reaffirm the scope of management rights, providing clarity on how far employers can go when enforcing health policies and restructuring work schedules.

Whether dealing with the lingering legal fallout of pandemic-era policies or modernizing operations to meet 24/7 service demands, these decisions offer a masterclass in policy drafting, consistent enforcement, and the strategic interpretation of employment contracts. Let's dive into what the recent decisions involving the City of Stratford and the Canada Revenue Agency (CRA) mean for your HR playbook.

The Ultimate Consequence: Upholding Just Cause in Policy Breaches

The transition out of the COVID-19 pandemic has left a long tail of arbitration cases, many of which are only now reaching their conclusions. A recent decision involving the City of Stratford serves as a definitive anchor point for employers regarding the enforceability of workplace health and safety mandates.

As reported, a sole arbitrator ruled that the City of Stratford had just cause to dismiss a payroll clerk who steadfastly refused to comply with the municipality's mandatory COVID-19 vaccination policy. The decision effectively dismissed two grievances filed by the Canadian Union of Public Employees (CUPE).

The Anatomy of a "Reasonable" Policy

To understand why the arbitrator sided with the employer, HR professionals must look at the foundation of the policy itself. The dismissal was not upheld simply because the employer demanded compliance, but because the policy met the stringent criteria of being reasonable, clearly communicated, and directly tied to the employer's obligations under the Occupational Health and Safety Act.

• Clear Communication: The City provided ample notice of the policy, the deadlines for compliance, and the explicit consequences of failing to adhere to the mandate.
• Progressive Discipline: The employee was not terminated immediately upon refusal. The employer utilized unpaid leaves and provided opportunities for the employee to reconsider or provide valid medical/religious exemptions, which were not produced.
• Operational Necessity: The arbitrator recognized that the employer had a overarching duty to protect the workplace, overriding the individual employee's personal preference to remain unvaccinated without a protected human rights ground.

"This ruling underscores a critical HR principle: when a workplace policy is fundamentally tied to safety and operational viability, persistent and willful non-compliance constitutes insubordination severe enough to fracture the employment relationship."

For HR leaders, this case is a vindication of rigorous policy management. It demonstrates that when a policy is meticulously drafted and fairly applied, arbitrators will support the ultimate penalty of termination for just cause, even in a highly unionized environment.

Operational Agility: The CRA's Shift Work Victory

While the Stratford case deals with policy compliance, another recent ruling tackles the very structure of how and when work is performed. In a major operational shift, the Federal Public Sector Labour Relations and Employment Board ruled that the Canada Revenue Agency can convert day workers into shift workers, resolving a complex web of policy grievances filed by the Public Service Alliance of Canada (PSAC).

Interpreting the Collective Agreement

The core of this dispute rested on management rights versus the established status quo. PSAC argued that converting traditional Monday-to-Friday day workers into shift workers fundamentally altered the terms of their employment and violated the collective agreement. The CRA, facing evolving service demands and the need for extended operational hours, argued that the collective agreement did not explicitly restrict their ability to schedule shift work to meet these needs.

The Board's decision to side with the CRA highlights several vital lessons for HR and labour relations teams:

1. The Power of Silence in Contracts: If a collective agreement or employment contract does not explicitly prohibit an employer from implementing shift work or altering schedules, management generally retains the residual right to direct the workforce to meet operational needs.
2. Evidentiary Burden of Operational Need: The CRA successfully demonstrated why the shift was necessary. HR must always be prepared to back up structural changes with hard data showing operational requirements, rather than relying on arbitrary management preferences.
3. Good Faith Implementation: The transition must be handled in good faith, providing adequate notice and adhering to any scheduling parameters that are present in the agreement (such as shift premiums or minimum rest periods).

Comparing the Rulings: A Strategic View for HR

While dealing with different subject matters, both rulings share a common thread: the validation of management's right to govern the workplace when backed by solid documentation and reasonable operational grounds.

Looking Ahead: Fortifying Your HR Framework

As we move deeper into 2026, the Canadian workplace continues to evolve rapidly. Employers are facing pressures to modernize operations, maintain stringent safety standards, and adapt to shifting economic realities. The decisions emerging from Stratford and the CRA provide a reassuring signal to employers: tribunals will uphold your right to manage, provided you do your homework.

To leverage these precedents, Canadian HR professionals should proactively review their foundational documents. Are your health and safety policies explicitly clear about the consequences of non-compliance? Does your collective agreement or standard employment contract contain restrictive language that could hamstring your ability to pivot to shift work or new operational models?

By ensuring that policies are reasonable, communication is transparent, and contracts preserve necessary management flexibility, HR can confidently navigate the inevitable friction that comes with organizational change. The ultimate lesson from these rulings is not just that management has rights, but that the meticulous exercise of those rights is what ultimately wins the day in arbitration.