TARIFF TRACKER
Modifies Canadian products subject to 50 percent Section 338 duties on motor vehicle dispute
This proclamation changes which Canadian products face the 50 percent additional duty imposed under Proclamation 11048, from September 15, 2026. From that date these duties apply in addition to Section 232 duties, which Proclamation 11048 had carved out. The Annex product lists are images in the published text.
Updated October 12, 2026
STATUS
In effect
·
EFFECTIVE
·
Section 338
RATE
50%
50 percent additional ad valorem duty
COUNTRIES
Canada
COVERED GOODS
Certain Canadian products listed in Annex I Part A are subject, and products listed in Annex I Part B are removed. Annex II modifies the HTSUS. The Federal Register publishes the annexes as images, so the HTS lines are not listed here; see the source.
EXCLUSIONS
Products of Canada listed in Annex I Part B are no longer subject to the 50 percent additional duty. The Federal Register publishes the list as images; see the source for the specific products.
WHAT TO DO (OUR GUIDANCE, NOT LEGAL ADVICE)
Check the official annexes before making entries on or after September 15, 2026 to identify which Canadian SKUs are in Part A or Part B. Reprice affected entries and confirm whether any listed goods also face Section 232 duties.
SOURCES
Proclamation 11065, 91 FR 58339 (September 14, 2026)
QUOTES FROM THE SOURCE
Rate: "shall be subject to the additional ad valorem duty of 50 percent imposed pursuant to Proclamation 11048" (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Effective date: "These changes shall be effective with respect to goods entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. eastern time on September 15, 2026." (source)
Covered goods: "Canada, as set forth in Annex I, Part A to this proclamation" (source)
Countries: "certain products of Canada, as set forth in Annex I, Part A to this proclamation" (source)
Exclusions: "In addition, certain products of Canada, as set forth in Annex I, Part B to this proclamation, imported into the United States shall no longer be subject" (source)
Signed: "IN WITNESS WHEREOF, I have hereunto set my hand this eighth day of September, in the year of our Lord two thousand twenty-six" (source)
Status: "Any provision of previous proclamations and Executive Orders that is inconsistent with this proclamation is superseded to the extent of such inconsistency." (source)
summary: "The duties imposed pursuant to Proclamation 11048, as modified in this proclamation, shall apply in addition to duties imposed pursuant to section 232 of the Trade Expansion Act of 1962, as amended (19 U.S.C. 1862)." (source)
product_families: "certain products of Canada, as set forth in Annex I, Part A to this proclamation, imported into the United States shall be subject to the additional ad valorem duty of 50 percent imposed pursuant to Proclamation 11048." (source)
Checked against source
on
Proclamation 11065, signed Sept 8, 2026, moves Annex I Part A Canadian products under (and Part B out of) the Proclamation 11048 50 percent duty from Sept 15, 2026, and makes those duties apply in addition to Section 232 duties; annexes are images.
Morsa reads your suppliers’ price-increase letters and POs in your inbox and flags the ones a tariff change touches. See how it works

