Section 232

BIS issues temporary final rule on polysilicon stockpiling under Proclamation 11052

BIS issued a temporary final rule, effective September 22, 2026 through December 3, 2026, setting the criteria and process it will use to monitor existing companies for evidence of stockpiling polysilicon and polysilicon derivatives ahead of import adjustments effective December 4, 2026 under Proclamation 11052. The rule limits a newly established importer's ability to stockpile, imposes import limitations on new importers that register with CBP on or after August 6, 2026, and subjects companies found to be stockpiling to an import prohibition if necessary. It also establishes the process for such companies to obtain a waiver from any import prohibitions imposed under the rule.

BIS defines zero-tariff specialty pharmaceuticals and eligible jurisdictions under Proclamation 11020

BIS issued a notice defining the pharmaceutical products and listing the jurisdictions eligible for a zero ad valorem Section 232 tariff rate under Proclamation 11020 of April 2, 2026, covering orphan-indication drugs and associated ingredients, nuclear medicines, plasma derived therapies, fertility drugs, cell therapy products, gene therapy products, antibody drug conjugates, chemical, biological, radiological and nuclear medical countermeasures, and animal health. Products and associated ingredients receive the zero rate if they are of a jurisdiction with a current or forthcoming trade and security framework agreement or meet an urgent U.S. health need.

Trump modifies scope of Canadian goods subject to 50% Section 338 duties

Proclamation 11064 of September 8, 2026 modifies the scope of certain products of Canada subject to the additional 50 percent ad valorem duty imposed under Proclamation 11046 to offset Canadian discrimination against U.S. alcoholic beverages. Products listed in Annex I, Part A remain subject to the 50 percent duty, while products listed in Annex I, Part B are no longer subject to it, effective for goods entered for consumption or withdrawn from warehouse for consumption on or after 12:01 a.m. eastern time on September 15, 2026.

Trump modifies scope of Section 338 additional duties on certain products of Canada

Proclamation 11065 of September 8, 2026 modifies the scope of the 50 percent additional ad valorem duties imposed on certain products of Canada under Proclamation 11048, effective with respect to goods entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern time on September 15, 2026. Products of Canada listed in Annex I, Part A remain subject to the 50 percent duty, while those in Annex I, Part B are no longer subject to it, and the duties apply in addition to duties imposed under section 232 of the Trade Expansion Act of 1962.

Trump proclamation bans imports of certain Canadian motor vehicle products from September 29, 2026

A presidential proclamation issued September 8, 2026 excludes certain products of Canada, as set forth in its Annex, from importation into the United States, effective for goods imported on or after 12:01 a.m. eastern time on September 29, 2026. The products covered are those currently subject to the additional ad valorem duties imposed by Proclamation 11048, which took effect August 22, 2026 at a 50 percent rate after the three-day suspension in Proclamation 11056 lapsed. Goods imported but not yet entered for consumption, or withdrawn from warehouse for consumption, before September 29, 2026 remain subject to the 50 percent duty rate established by Proclamation 11048.

Trump modifies scope of Canadian goods subject to 50% duties under Proclamation 11046

Trump modifies scope of 50% Section 338 duties on certain products of Canada

A presidential proclamation modifies the scope of the additional 50 percent ad valorem duties imposed on certain products of Canada under Proclamation 11048, which took effect August 22, 2026 after the three-day suspension in Proclamation 11056 lapsed. Products of Canada listed in Annex I, Part A remain subject to the 50 percent duty, while products listed in Annex I, Part B are no longer subject to it, effective for goods entered for consumption or withdrawn from warehouse for consumption on or after 12:01 a.m. eastern time on September 15, 2026.