CLEARANCE
Trade intelligence, cleared for use.
clearance.news
Weekly / Tuesday 7 AM ET
Importers + Exporters + Brokers
Customs / Freight / Trade Risk
Issue 012 September 15, 2026 Operator Brief Priority: Immediate

Canada entries now need two clocks and a product-level control

A revised Canadian duty scope begins September 15, followed by import bans on listed products September 29.

Issue 012 operator brief visual

Briefing Table

The issue in operating terms: change, impact, required action.

What Changed
A revised duty scope starts September 15 and listed Canadian products face an import ban from September 29.
Operator Impact
Coverage and treatment depend on the annex, HTS classification, and distinct importation and entry timestamps.
Required Action
Split exposed SKUs into duty, ban, and outside-scope populations and issue dated broker instructions.

Read This First

  • Signal: Two September 8 proclamations change the treatment of selected Canadian products: a revised additional-duty scope begins September 15, while an import ban for listed products begins September 29.
  • Exposure: The outcome is annex- and HTS-specific. Some Canadian lines remain subject to additional duties, while listed products move to a prohibition rather than a higher landed-cost calculation.
  • Watch dates: Revised duties apply from September 15, 2026. The import ban applies to goods imported on or after September 29, 2026.
  • First move: Split every exposed Canadian SKU into revised-duty, future-ban, and outside-scope populations, then confirm entry timing and written broker instructions.

Bottom Line

Canada exposure can no longer be managed with one surcharge field.

The September actions create two distinct controls. One proclamation modifies the scope of products subject to the existing Section 338 additional duties, effective for entries and warehouse withdrawals on or after 12:01 a.m. ET on September 15. A second proclamation excludes listed Canadian products from importation beginning September 29. Goods imported before September 29 but not yet entered or withdrawn do not automatically escape the duty regime; the proclamation says those goods remain subject to the 50% duty established earlier.

The immediate operator task is classification and timing discipline: identify the controlling annex line, distinguish import date from entry date, and prevent a rate-only workflow from attempting to process a prohibited line.

The Clearance Brief

1. September 15 changes the duty map

What changed: Proclamation 11065 modifies the product scope of the Canadian goods subject to the Section 338 additional duties. The changes apply to goods entered for consumption, or withdrawn from warehouse for consumption, on or after 12:01 a.m. ET on September 15, 2026.

Operator impact: A Canada-wide surcharge assumption is not a filing instruction. Coverage depends on the proclamation's annex and the underlying HTS classification.

What to do next: Re-run exposed Canadian SKUs against the published annex and preserve the classification, country-of-origin support, applicable Chapter 99 treatment, and broker direction in the entry record.

2. September 29 is a prohibition date, not a repricing date

What changed: Proclamation 11063 excludes listed Canadian products from importation into the United States for goods imported on or after 12:01 a.m. ET on September 29, 2026.

Operator impact: A duty calculator cannot solve a prohibited-entry problem. Purchase orders, routing instructions, warehouse plans, and customer promises can all fail if the product is treated as merely expensive rather than non-admissible.

What to do next: Create a hard stop for listed products in procurement and entry workflows. Escalate any uncertain classification before cargo is tendered, and obtain written admissibility guidance from the broker or customs counsel.

3. Cargo already moving needs two timestamps

What changed: The duty modification is keyed to entry or warehouse withdrawal beginning September 15. The import ban is keyed to importation beginning September 29. The ban proclamation separately states that covered goods imported before September 29 but not yet entered or withdrawn remain subject to the earlier 50% duty.

Operator impact: Ship date alone is not enough. Teams need the expected importation event and the entry or warehouse-withdrawal event, plus evidence supporting both.

What to do next: Add import date, entry date, warehouse status, and annex treatment to the shipment control sheet. Do not promise tariff avoidance based only on departure or arrival estimates.

4. CBP implementation details remain part of the control

What changed: The proclamations authorize CBP, with other agencies, to issue implementing rules, guidance, instructions, determinations, and any necessary HTS modifications.

Operator impact: The proclamations establish the legal change, but filing mechanics can still be clarified through CBP instructions and technical HTS changes.

What to do next: Assign an owner to check CBP CSMS, Federal Register notices, and the current HTS release before each cutoff. Version broker instructions rather than overwriting the prior rule without an audit trail.

5. Sanctions and trade-remedy screening also moved this week

What changed: OFAC posted multiple sanctions-list updates from September 8 through September 10, including Iran-related and counter-terrorism designations. Commerce also initiated countervailing-duty investigations covering certain linear hydraulic cylinders and parts from China, India, and Mexico.

Operator impact: A Canada-focused review should not displace restricted-party screening or product-scope checks on other lanes. Supplier and product changes made to avoid one exposure can create another.

What to do next: Refresh denied-party screening for active counterparties and flag hydraulic-cylinder imports from the named countries for scope review with trade counsel.

Canada Lane Change-Control

  1. Map the SKU: Confirm the current HTS classification and Canadian origin support.
  2. Assign the branch: Mark each line revised-duty, future-ban, or outside the published scope.
  3. Map the clocks: Record expected importation, entry, and warehouse-withdrawal dates.
  4. Control the order: Stop new commitments for possible ban lines until admissibility is resolved.
  5. Control the filing: Send the broker a dated instruction identifying the annex treatment and retain the response.
  6. Refresh implementation: Recheck CBP and HTS instructions at the Tuesday cutoff and before September 29.

Dates / Watchlist

Now in effect

  • August 22, 2026: The earlier additional 50% duties on listed Canadian products became effective after a temporary suspension lapsed.
  • September 10, 2026: OFAC posted Iran-related and counter-terrorism designations and an Iran licensing-policy update.

Coming up

  • September 15, 2026: The revised Canadian product scope under Proclamation 11065 applies to entries and warehouse withdrawals from 12:01 a.m. ET.
  • September 22, 2026: USTR's public hearing in its Section 301 investigation of Germany's pricing of innovative pharmaceutical products is scheduled.
  • September 29, 2026: The import ban under Proclamation 11063 applies to listed Canadian goods imported from 12:01 a.m. ET.
  • September 30, 2026: OFAC's 2026 Annual Report of Blocked Property filing deadline.

Operator Checklist

  • Reclassify and segment all exposed Canadian-origin SKUs.
  • Distinguish revised-duty lines from future import-ban lines.
  • Record importation, entry, and warehouse-withdrawal dates separately.
  • Add a procurement and routing stop for uncertain ban exposure.
  • Obtain dated broker instructions for each treatment branch.
  • Recheck CBP CSMS and the current HTS before both cutoffs.
  • Refresh restricted-party screening after OFAC's September updates.
  • Flag named-country hydraulic-cylinder imports for AD/CVD scope review.

Operator Tool - From Our Partner

Use the US Tariff Rates tariff tracker to inspect current tariff measures and pressure-test an HTS line before confirming landed cost. A tariff tool does not determine admissibility under an import ban; confirm final treatment with your broker or customs counsel.

Read previous operator briefings in the CLEARANCE archive.

Source Stack

  1. Federal Register, Proclamation 11065: Modifying the Scope of Products of Canada Subject to Additional Duties, published September 14, 2026: https://www.federalregister.gov/documents/2026/09/14/2026-18839/modifying-the-scope-of-products-of-canada-subject-to-the-additional-duties-imposed-to-offset
  2. Federal Register, Proclamation 11063: Excluding Certain Canadian Products From Importation, published September 14, 2026: https://www.federalregister.gov/documents/2026/09/14/2026-18837/excluding-certain-canadian-products-from-importation-into-the-united-states-in-response-to-continued
  3. USTR, Statement on the response to Canada's continued retaliation, published September 9, 2026: https://ustr.gov/about/policy-offices/press-office/press-releases/2026/september/ambassador-greer-issues-statement-president-trumps-response-canadas-continued-retaliation-against
  4. CBP, Cargo Systems Messaging Service, checked September 15, 2026: https://www.cbp.gov/trade/automated/cargo-systems-messaging-service
  5. USITC, Harmonized Tariff Schedule archive, checked September 15, 2026: https://www.usitc.gov/harmonized_tariff_information/hts/archive/list
  6. OFAC, Iran-related and Counter Terrorism Designations; Licensing Policy Update, published September 10, 2026: https://ofac.treasury.gov/recent-actions/20260910
  7. Federal Register, Certain Linear Hydraulic Cylinders and Parts From China, India, and Mexico: CVD Investigations, published September 14, 2026: https://www.federalregister.gov/documents/2026/09/14/2026-18707/certain-linear-hydraulic-cylinders-and-parts-thereof-from-the-peoples-republic-of-china-india-and
  8. Drewry, World Container Index, checked September 15, 2026: https://www.drewry.co.uk/supply-chain-advisors/supply-chain-expertise/world-container-index-assessed-by-drewry