President Trump announced a provisional US-Canada trade deal on August 18, hours before 50% tariffs were set to hit roughly $20 billion worth of Canadian imports. The terms remain undisclosed, and both sides now have three days to finalize the paperwork.
With hours to spare before the tariffs took effect, Trump took to Truth Social to announce the provisional agreement. Nobody outside the negotiating rooms knows what the deal actually contains. The announcement buys both countries exactly three days to finalize the paperwork.
What the tariffs would have hit
The tariffs were invoked under Section 338 of the Tariff Act of 1930. They would have struck a broad swath of Canadian exports to the US, including autos, steel, aluminum, and dairy products, with the value of affected goods ranging between $20 billion and $28 billion depending on the estimate.
Canadian Prime Minister Mark Carney has been at the center of the high-level talks aimed at preventing the tariffs from taking effect. Canadian officials had previously pushed back against US proposals on tariff reductions, security cooperation, and energy access, calling earlier versions insufficient. Trump's announcement also floated the potential revival of the Keystone XL pipeline, signaling that energy infrastructure remains a bargaining chip in the broader negotiation.
The USMCA backdrop
The showdown sits against the first comprehensive six-year review of the United States-Mexico-Canada Agreement, the trade pact that replaced NAFTA in 2020. In July 2026, the US opted for annual reviews of the pact through 2036 rather than a 16-year extension. For Canada, annual reviews mean annual uncertainty, complicating everything from corporate investment planning to supply chain logistics.
This threatened 50% tariff represented the most aggressive escalation in that ongoing tension. Such a steep rate would have made many Canadian exports economically unviable in the US market.
Why the deadline matters
Formalizing an international trade agreement inside a 72-hour window is extraordinarily tight, since major trade deals typically take months or years to negotiate. Auto manufacturers with cross-border supply chains, steel producers, aluminum smelters, and dairy farmers on both sides of the border are operating without clarity on what rules will govern their businesses by the end of the week.
The 50% tariff on Canadian goods would have raised costs for everything from cars to cheese in the US market. If the final deal meaningfully reduces or eliminates those tariffs, it removes a pressure point tied to inflation. If it merely delays them, the threat lingers.
Source: Crypto Briefing
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