The Plain Record

Neutral daily news — clear headlines, complete facts.

Business

Trump pauses 50 percent tariffs on Canada for three days pending trade deal

President Trump paused 50 percent tariffs on Canadian goods for three days to finalize a trade deal that may include the revival of the Keystone XL pipeline.

Published August 18, 2026 at 11:24 PM EDT

The short answer

President Trump paused 50 percent tariffs on Canadian goods for three days to finalize a trade deal that may include the revival of the Keystone XL pipeline.

Trump pauses 50 percent tariffs on Canada for three days pending trade deal

The Facts

Who
President Donald Trump and Canadian Prime Minister Mark Carney.
What
Pause of 50 percent tariffs on Canadian goods for three days.
When
Late Tuesday night, August 18, 2026.
Where
United States and Canada.
Why
To finalize a trade deal and documents regarding market access, the Keystone XL pipeline, and trade impositions.

Timeline of what happened

Key dates and decisions, in the order they occurred.

  1. 2025

    Trump imposes 'liberation day' tariffs on almost every nation

  2. July 2026

    Trump threatens Section 338 tariffs against Canada

  3. August 14, 2026

    U.S. Trade Representative Jamieson Greer defends tariff necessity

  4. August 17, 2026

    Trump and Prime Minister Carney hold phone discussions

  5. August 18, 2026

    Trump announces three-day pause on tariffs hours before deadline

President Trump announced late Tuesday a three-day pause on 50 percent tariffs targeting Canadian goods, stating that the United States and Canada are finalizing a trade agreement. The decision was made public just hours before the tariffs were scheduled to take effect at midnight. Writing on Truth Social, the president indicated the pause is subject to the finalization of documents, adding that the Keystone XL pipeline project may be revived as part of the developments.

The proposed tariffs were initiated under Section 338 of the Tariff Act of 1930, a law that allows the U.S. president to impose duties of up to 50 percent on countries found to be using discriminatory trade measures. These specific tariffs were announced last month in response to what the administration described as Canada's "discriminatory" trade policies. While the law has existed for nearly a century, this instance marks the first time its provisions have been utilized.

According to the White House, the negotiations involve Canadian commitments to address trade barriers regarding automobiles, dairy, and liquor. U.S. Trade Representative Jamieson Greer stated Friday that the tariffs were a response to Canadian retaliation following global "liberation day" tariffs implemented by the Trump administration last year. Canadian Prime Minister Mark Carney confirmed that "substantial progress" has been made during intensive discussions over the past several weeks, though he noted that work remains to be completed.

For the average household or small-business owner, the concrete change would be a potential sharp increase in the price of Canadian-made consumer goods and industrial supplies if the three-day pause expires without a finalized deal. The mention of the Keystone XL pipeline also signals a possible shift in energy infrastructure policy, which could affect construction workers, environmental groups, and energy markets across the several U.S. states where the pipeline is routed. These effects would be felt as soon as the tariffs are either implemented or permanently waived following the three-day window.

The knock-on effects include the potential for digital trade alignment and new economic security commitments between the two North American partners. The use of the long-dormant Section 338 also sets a new precedent for how the U.S. executive branch can leverage 20th-century trade laws in modern disputes. What happens next depends on the "finalization of documents" mentioned by the president; the current pause is scheduled to expire three days after the Tuesday night announcement, providing a short deadline for both nations to formalize the agreement and avoid the 50 percent duties.

Summaries are written by The Plain Record to state the facts of a story plainly and without political slant. See our editorial standards, or report a correction.

← Back to the front page

Questions readers ask

What happened: Trump pauses 50 percent tariffs on Canada for three days pending trade deal?

President Trump announced late Tuesday a three-day pause on 50 percent tariffs targeting Canadian goods, stating that the United States and Canada are finalizing a trade agreement. The decision was made public just hours before the tariffs were scheduled to take effect at midnight.

Who is involved?

President Donald Trump and Canadian Prime Minister Mark Carney.

When did this happen?

Late Tuesday night, August 18, 2026.

Where did this happen?

United States and Canada.

Why does this matter?

To finalize a trade deal and documents regarding market access, the Keystone XL pipeline, and trade impositions.