50% Tariff on Canadian Alcoholic Beverages Under Section 338

On July 20, President Trump issued a proclamation imposing an additional 50% ad valorem duty on Canadian-origin alcoholic beverages imported into the United States, effective 12:01 AM ET, August 19. The action is a direct, sector-matched response to Canada’s provincial bans on the purchase, distribution, and retailing of US alcoholic beverages, which have been in effect across virtually all provinces and territories since March 2025.

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Legal Basis and Findings

The proclamation invokes Section 338 of the Tariff Act of 1930 (19 U.S.C. § 1338), which authorizes the president to impose duties of up to 50% ad valorem when a foreign country discriminates in fact against US commerce. This is the first time any president has invoked Section 338 — a dormant provision of the original 1930 Smoot-Hawley Tariff Act that has sat unused for nearly a century. The Administration chose the maximum penalty the statute allows. The novel and untested nature of this authority raises open questions regarding its scope, potential legal challenges, and interaction with existing trade remedy frameworks — factors that may create opportunities for affected parties to shape the law’s application through advocacy or litigation.

Remedy Mechanics

  • Products: Canadian alcoholic beverages listed in Annex II, including beer (HTS 2203.00.00), grape wines (2204.10.00, 2204.21/22 subheadings), other fermented beverages (2206.00.90), undenatured ethyl alcohol (2207.10.30), and related distilled spirit subheadings.

  • Rate/Stacking: 50% ad valorem, in addition to all existing duties, taxes, and fees.

  • Effective: August 19, 2026 (goods entered for consumption or withdrawn from warehouse on or after that date).

Broader Context

This is one of three Section 338 actions issued the same day (covering motor vehicles, alcoholic beverages, and dairy), together affecting roughly $20 billion in Canadian imports per US Trade Representative (USTR). The actions followed the United States’ decision on July 1, not to renew the United States-Mexico-Canada Agreement (USMCA) at its mandatory six-year joint review, starting the agreement’s sunset clock, while bilateral USTR continues negotiating round with Mexico and Canada. 

Considerations and Next Steps

Affected producers, importers, and distributors should monitor the Federal Register for US Customs and Border Protection implementing rules and any USTR comment processes, assess supply-chain and pricing exposure, and track the ongoing USMCA bilateral negotiations. Because Section 338 is untested, the legal landscape around exclusions, modifications, and potential challenges remains fluid — presenting both risk and opportunity for stakeholders willing to engage early.

Our International Trade & Investment team is closely tracking these developments and would welcome the opportunity to discuss how this action may affect your business. Please reach out to explore your options.

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