The additional levy is set to take effect at 12:01 a.m. ET, marking a new U.S. trade measure targeting selected imports from Canada.
The White House confirmed that an extra 50% U.S. tariff on select Canadian goods will take effect at 12:01 a.m. ET on August 19, 2026. The measure applies to selected imports from Canada and signals a further escalation in U.S. trade restrictions on those goods.