For workers at Stelco's Hamilton plant, a promise made in Ottawa 2 years ago has become part of a much more immediate worry. A shift may disappear. Someone who's spent years at the same facility may have to consider moving to another one. And the federal government is arguing that the company had already committed to protect those jobs.
In late September, Stelco's American owner announced plans to idle finishing operations in Hamilton, with up to 500 jobs affected. The company blames difficult steel market conditions, imports and American tariffs. It has discussed possible opportunities at Lake Erie Works in Nanticoke, but the union has questioned how realistic those alternatives are for the employees facing layoffs.
The argument would be painful enough without the history of the takeover. When Canada approved the acquisition in October 2024, Cleveland Cliffs gave binding commitments under the Investment Canada Act. Among them was a promise to continue employing at least the same number of unionized workers and the vast majority of employees outside the union as were employed when the deal was announced. It also agreed to honour existing collective agreements, pension obligations and employee benefits.
Those commitments were to last 5 years. Less than 2 years into that period, the government's expectations and the company's plans are plainly in conflict.
Industry Minister Mélanie Joly demanded a plan explaining how the jobs would be protected and warned that Canada could take legal action. In its response, reported on October 10, Stelco rejected the suggestion that the announced layoffs breached its undertakings. The company's president, Paul Simon, argued that the promises weren't a guarantee against every layoff at every moment during the 5 years. He also pointed to the trade war and other circumstances beyond the company's control.
It's tempting to decide immediately which side must be right. Yet the public statement approving the deal isn't the complete set of undertakings, and the full legal meaning of those promises hasn't been determined by a court in this dispute. A commitment to maintain a workforce over time may raise questions about how employment is counted, what changes are permitted and whether an employer has offered an adequate alternative. Those questions can't be settled by a headline.
For the people affected, however, there's no need to wait for a legal judgment before the uncertainty takes hold. A proposed transfer to another plant might be manageable for one employee and impossible for another. Years of experience in a particular workplace don't make the next job search any easier. Family plans and finances tend to run on shorter timelines than federal enforcement proceedings.
There are several sets of obligations here, and they shouldn't be confused. The acquisition undertakings were given to Canada. Workers may also have rights under their collective agreements and the employment laws that apply to them. The federal government's ability to enforce a promise doesn't automatically give every individual employee a separate right to sue under that promise. Conversely, an undertaking made to Ottawa doesn't wipe away obligations already owed to a workforce.
The dispute has attracted another layer of attention because the company's chief executive publicly supported the American steel tariffs now cited as part of the problem. That makes for a striking political story. It doesn't answer the legal question about compliance, and it won't help someone facing a layoff work out what happens to their job.
There's history behind Ottawa's response too. Canada took an earlier American owner of Stelco, U.S. Steel, to court over employment and production commitments after its 2007 purchase. That dispute ultimately settled in 2011 with new undertakings. The earlier litigation doesn't decide today's disagreement, but it shows that these promises can have consequences long after the sale has closed.
As of October 12, 2026, the company says it's proceeding with the layoffs and the federal government continues to threaten enforcement. No court ruling has established a breach of the 2024 undertakings.
Meanwhile, the workers have to make decisions without knowing where the dispute will end. The promises made during the acquisition were meant to protect a Canadian business and the people working in it. Whether they can still do that, when the commercial circumstances become difficult, is what this confrontation will reveal.