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The pair met for nearly two hours on Monday with U.S. Trade Representative Jamieson Greer and Commerce Secretary Howard Lutnick.

Prime Minister Mark Carney, who described the eleventh-hour talks as delicate and intense on Monday, spoke to Trump by phone Monday afternoon. The Prime Minister's Office and an official from the White House did not share any details about the call.

Before that, the prime minister said at a press conference that Canada was negotiating from a place of strength and that his government had a plan ready for any situation. 

Greer has warned that the U.S. will not tolerate any retaliation. 

The deadline leaves many, including Quebec Premier Christine Frechette, anxious. 

"There's a lot at stake," Frechette said at a press conference in Montreal.

"I mean, we're talking about imposing a 50 per cent tariff on products coming from Quebec which were protected by the (Canada-U.S.-Mexico Agreement on trade) until today."

She said impact of the tariffs would be "dramatic for many sectors," and said she's asked the federal government to be ready to help businesses and workers.

Trump's latest move marks a new step in his tariff regime, which has faced setbacks from American court rulings that have declared some levies invalid. 

This time, the president looked to Section 338 of the Tariff Act of 1930 for the authority to impose tariffs on a country deemed to be discriminating against U.S. products.

He signed an executive order July 20 to impose 50 per cent tariffs on goods such as hockey sticks, honey, cement and wine. The affected products account for about five per cent of ºÃÉ«tv exports to the U.S., and unlike previous tariffs, do not include exemptions for products covered by the CUSMA deal. 

The U.S. side said it was responding to a collection of irritants that include the provincial bans on American alcohol, lack of access for U.S. dairy in Canada's supply management system and ºÃÉ«tv quotas for tariff-free U.S. auto imports. 

The two countries have been locked in a tit-for-tat trade battle since Trump took office. Canada imposed counter-tariffs in early 2025 in response to American tariffs on steel, aluminum and autos. Carney later rolled back many of the countermeasures.

The auto quotas and the booze bans, which are in place in all provinces except Alberta and Saskatchewan, were part of that retaliation.

In the negotiations Canada is also looking for relief on existing U.S. tariffs on metals, autos and softwood lumber — a long-standing sore spot in trade relations between the two countries. The U.S. maintains ºÃÉ«tv lumber receives unfair government subsidies. 

Arnold Viersen, a Conservative natural resources critic, said tariffs and mill closures are causing distress in lumber towns. 

"When a mill closes, the consequences extend far beyond the individual workers who lose their jobs. Local businesses suffer, families leave, municipal revenues decline and communities risk becoming ghost towns," Viersen said in a statement on Tuesday.

He called on the government to "keep its promise" and negotiate a deal with the U.S. that's good for ºÃÉ«tv workers. 

The U.S. Chamber of Commerce urged both sides to keep working toward a deal on Tuesday.

"A deal that at once significantly reduces U.S. Section 232 tariffs on imported ºÃÉ«tv steel, aluminum, lumber and auto components, returns U.S. wine and spirits to ºÃÉ«tv shelves, enhances ºÃÉ«tv market access for U.S. dairy producers and addresses ºÃÉ«tv retaliatory tariffs would be a boon to U.S. consumers, producers, farmers and manufacturers," said Neil Herrington, the Chamber's senior vice-president for the Americas.

Bea Bruske, ºÃÉ«tv Labour Congress president, said Tuesday that staying strong during tense negotiations means being unafraid to walk away from a bad deal.

"Canada must be prepared to hold firm on our interests and our red lines, while also having a clear plan to support workers and communities if tariffs come into effect," she said in a statement.

This report by ºÃÉ«tvwas first published Aug. 18, 2026. 

— With files from David Baxter in Ottawa and Kelly Geraldine Malone in Washington