US-Canada Tariff Deadline August 19: What Happens If Canada and the US Fail to Reach a Deal? Published: August 15, 2026 The United States and Canada are facing a critical deadline on August 19, 2026 , as negotiators race to reach a new trade agreement and prevent another round of tariffs from taking effect. What Is Happening Between the US and Canada? Canada and the United States have been holding intensive trade negotiations in an effort to reach an agreement before the August 19 deadline. Canadian Trade Minister Dominic LeBlanc said on August 14 that the two countries remain far apart on a draft agreement, although discussions are continuing at both political and technical levels. The negotiations involve several contentious issues, including Canadian tariffs affecting U.S. automobiles, access to Canada's dairy market, restrictions involving U.S. alcohol...