TARIFF TRACKER
Modifies which Canadian products are subject to the 50 percent Section 338 duty
The proclamation removes the duty from products listed in Annex I, Part A and adds the 50 percent duty to products listed in Part B. The changes apply to entries on or after October 30, 2026.
Updated October 12, 2026
STATUS
Scheduled
·
EFFECTIVE
·
Section 338
RATE
50% (Part B)
50% ad valorem on products listed in Annex I, Part B; products listed in Part A are no longer subject to the duty
COUNTRIES
Canada
PRODUCT FAMILIES
HVAC/R, Lumber/wood, Chemicals/plastics, Industrial machinery, Plumbing/PVF
HTS CHAPTERS
12, 18, 32, 33, 34, 38, 39, 40, 44, 48, 57, 84, 89, 90, 95
COVERED GOODS
Annex I, Part A lists products no longer subject to the duty, including specified plastics, plywood, paper, refrigeration equipment and machinery. Part B adds specified goods including cocoa products, chemicals and plastics, wood and paper products, carpets, air conditioners, freezers, valves, instruments and other listed products. HTS headings are listed in Annex I.
EXCLUSIONS
Part B products that are civil aircraft or aircraft parts meeting the criteria of HTSUS General Note 6 are excepted. Annex I, Part A products are no longer subject to the duty.
WHAT TO DO (OUR GUIDANCE, NOT LEGAL ADVICE)
Compare affected Canadian SKUs against the HTS provisions in Annex I, Parts A and B, and update entry and pricing plans for goods entered on or after October 30, 2026. Confirm product classification with CBP if the scope of an HTS provision is uncertain.
SOURCES
QUOTES FROM THE SOURCE
Rate: "shall be subject to the additional ad valorem duty of 50 percent imposed pursuant to Proclamation 11048, as amended." (source)
Effective date: "These changes shall be effective with respect to goods entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern time on October 30, 2026." (source)
Covered goods: "A 50% ad valorem Section 338 tariff shall apply to the following articles of Canada, unless they are articles of civil aircraft or aircraft parts that meet the criteria of General Note 6 of the HTSUS." (source)
Awaiting check
Quotes matched to source text by machine; awaiting human check.
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