U.S. Tariffs on Canada: USMCA Stack and Section 232 Steel/Lumber

U.S.-Canada tariff guide: USMCA preferential rates, Section 232 steel/aluminum, softwood lumber AD/CVD.
U.S. Tariffs on Canada: USMCA Exemptions, Steel, Aluminum and Auto Duties

U.S.-Canada Trade Snapshot in 2026

Canada is the United States’ largest trading partner by total trade volume when both imports and exports are counted together. The depth of cross-border supply chain integration — particularly in autos, energy, and agriculture — means that U.S. tariff actions on Canada affect both importers and U.S. manufacturers with Canadian suppliers.

Canada as a U.S. Trading Partner

The U.S. imported approximately $432 billion in goods from Canada in 2024, including approximately $140 billion in energy products (crude oil, natural gas, electricity). Canada is the U.S. #2 import source. The auto sector is deeply integrated — many Canadian-assembled vehicles contain 60–80% U.S.-manufactured components, complicating the country-of-origin analysis for Section 232 and USMCA purposes. The current U.S. tariff rates by country page compares Canada’s tariff profile to other major trading partners.

Key Import Categories from Canada

  1. Crude oil and petroleum products (HTS Chapter 27): Canada is the largest U.S. crude oil supplier.
  2. Motor vehicles and auto parts (HTS Chapter 87): Canadian-assembled vehicles from Ontario and Quebec plants.
  3. Softwood lumber (HTS Chapter 44): SPF lumber from British Columbia, Quebec, Ontario.
  4. Steel and steel mill products (HTS Chapters 72–73): hot-rolled coil, plate, pipe.
  5. Aluminum (HTS Chapter 76): primary and semi-fabricated aluminum from Quebec smelters.
  6. Agricultural products: wheat, canola, beef, pork, maple syrup.

Current U.S. Tariff Stack on Canada Imports

The complexity of Canada’s tariff profile stems from the coexistence of USMCA preferences (0%) and IEEPA tariffs (25%) on the same physical shipments depending on whether they meet rules-of-origin requirements.

Statutory Authorities in Play

USMCA (United States-Mexico-Canada Agreement)

Goods meeting CBP USMCA rules of origin enter at 0% duty. ROO compliance requires a tariff classification change, regional value content threshold (typically 60–75% net cost or 50–60% transaction value), or a combination. The agreement implements 19 CFR Part 182.

IEEPA executive order on Canada (February 2025)

Applied a 25% tariff on Canadian goods that do not qualify under USMCA. The order cited fentanyl trafficking and border security concerns as IEEPA authority triggers. This effectively creates a 25% default rate on non-USMCA Canadian goods — significantly higher than the pre-USMCA MFN rate of 0–5% most Canadian goods carried.

Section 232 steel (Trade Expansion Act of 1962 §232)

  • Canada operates under a Tariff Rate Quota for steel — within-quota volume enters at 0% (the USMCA exemption for steel within quota).
  • Over-quota volume faces 25%. The TRQ is allocated quarterly. See CBP quota monitoring for current fill rates.

Section 232 aluminum

  • Canada’s aluminum faces a TRQ at 10% over quota.
  • within-quota aluminum from Canada is 0% under USMCA exception.

Softwood lumber AD/CVD

The Department of Commerce administers ongoing antidumping and countervailing duty orders on Canadian softwood lumber. The combined effective rate as of 2026 is approximately 14.18% AD + CVD on most Canadian lumber exporters. These orders are separate from Section 232 and IEEPA and have been continuously in effect since 2018.

How the Rates Layer on a Single Entry

A Canadian-assembled SUV that does not meet USMCA automotive rules of origin illustrates worst-case stacking:

  1. MFN base rate (2.5% on passenger vehicles): 2.5%.
  2. Section 232 auto (25%): +25%.
  3. IEEPA non-USMCA rate (25%): +25% (if not USMCA-qualifying).
  4. Potential effective rate: 52.5%.

For USMCA-qualifying goods, step 3 is replaced by 0% USMCA preference. The difference between qualifying and non-qualifying is 25 percentage points — making USMCA compliance documentation the single highest-value supply chain compliance task for Canada-origin importers.

Top Affected HTS Chapters and Sectors

Canada’s tariff exposure is concentrated in specific sectors where the USMCA qualification question is most complex or where sector-specific programs (Section 232, AD/CVD) apply independently of USMCA status.

Softwood Lumber (Ch 44)

Canadian softwood lumber — primarily spruce, pine, and fir (SPF) from British Columbia and Quebec — has been subject to continuous AD/CVD orders since 2002, with breaks only during the Softwood Lumber Agreement periods. The current combined AD/CVD rate of approximately 14.18% applies to most exporters. Some exporters receive individual rates higher or lower depending on their specific DOC margin determination. Our guide to Section 232 tariffs provides context on how sectoral tariffs like lumber AD/CVD interact with other trade remedies.

Steel and Aluminum (Ch 72–73, Ch 76)

Canada is a major U.S. steel supplier — hot-rolled coil, galvanized sheet, and structural steel all flow across the border in significant volume. Within the USMCA steel TRQ, Canadian steel enters at 0%. When the quarterly TRQ fills, subsequent entries face 25% Section 232. Steel importers must monitor the TRQ fill rate in real time to avoid unexpected 25% deposits mid-shipment. Our steel and aluminum tariff analysis covers quota mechanics in detail.

Autos and Auto Parts (Ch 87)

The Canadian auto sector is deeply integrated with U.S. production. Assembly plants in Ontario (Oshawa, Windsor, Cambridge) produce GM, Honda, and Toyota vehicles with substantial U.S. content. USMCA automotive ROO requires 75% regional value content + labor value content thresholds for passenger vehicles. Vehicles meeting these thresholds enter the U.S. at 0% duty regardless of Section 232. Vehicles not meeting USMCA automotive ROO face the full Section 232 25% rate — and potentially the IEEPA 25% if they also fail USMCA origin. Our Captain tariff tracker monitors USMCA automotive compliance updates.

Energy and Petroleum (Ch 27)

Canadian crude oil, natural gas, and electricity imports are subject to IEEPA tariff analysis. Energy products qualifying under USMCA enter at 0%; non-qualifying or non-USMCA-claimed energy imports face the 25% IEEPA rate. However, specific carve-outs for energy exist — importers should verify current exemption status with CBP and our trade advisory services team before assuming energy products are exempt.

How Importers Calculate Landed Cost on Canada-Origin Goods

The USMCA/non-USMCA determination is the central variable in Canada landed cost calculations. An error in the ROO analysis — claiming USMCA on goods that don’t qualify — creates both duty liability and potential fraud exposure under the False Claims Act.

Worked Example Using the Tariff Calculator

Use CargoTrans Captain’s Canada to U.S. tariff calculator to model both USMCA and non-USMCA scenarios for a given product. For a $1,000,000 CIF entry of Canadian steel coil within the TRQ: USMCA qualifying = 0% duty = $0. If TRQ is exhausted or goods don’t qualify: 0% MFN + 25% Section 232 = $250,000 duty deposit. The TRQ fill status changes the landed cost by $250,000 on a single shipment — monitoring it in real time is operationally critical.

Common Landed-Cost Pitfalls

  • Claiming USMCA preference without supplier certification documenting ROO compliance.
  • Missing the quarterly Section 232 TRQ fill date for steel and aluminum.
  • Applying lumber AD/CVD at an incorrect rate (individual shipper rates vary from the all-others rate).
  • Assuming USMCA auto ROO qualification without verifying the 75% regional value content threshold.
  • Failing to account for the IEEPA 25% tariff on non-USMCA goods that previously paid only 0–5% MFN.

Mitigation Strategies for Importers Sourcing from Canada

Canada-origin supply chains have more mitigation tools than most other bilateral relationships — particularly through USMCA qualification optimization and Section 232 exclusion processes.

USMCA Qualification and Rules of Origin

The single highest-impact mitigation strategy for Canada importers is ensuring USMCA ROO compliance and supplier certification. A USMCA rules of origin audit across your Canada-sourced product categories identifies which goods qualify at 0% and which need sourcing adjustments to qualify. USMCA certifications must be renewed annually and updated when product specifications change.

Section 232 Exclusion Process

For steel and aluminum products that exceed the TRQ or don’t qualify under USMCA, the Section 232 exclusion process allows product-specific relief petitions filed with the Bureau of Industry and Security. Successful exclusions remove the 25% rate for the specific product and quantity covered. See our Section 232 tariffs guide for eligibility criteria and application procedures. Our tariff consulting firm prepares and tracks exclusion petitions.

First Sale for Export

For Canada imports transacting through Canadian intermediaries, First Sale for Export reduces the customs value base to the manufacturer-to-intermediary price rather than the intermediary-to-importer price. For high-volume softwood lumber purchases through Canadian brokers, First Sale can reduce the AD/CVD assessment base by 10–20%.

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Frequently Asked Questions

What is the current U.S. tariff rate on Canada imports?

It depends entirely on USMCA qualification. USMCA-qualifying goods enter at 0%. Non-USMCA goods face a 25% IEEPA tariff. Steel within the TRQ is 0%; over-quota steel faces 25% Section 232. Softwood lumber carries approximately 14.18% AD/CVD independently. Autos not meeting USMCA ROO face Section 232 at 25%. Use the Canada to U.S. tariff calculator to model by HTS subheading and USMCA status.

Are Canada tariffs still in effect in 2026?

Yes. The IEEPA executive order on Canada remains active for non-USMCA goods. Section 232 steel and aluminum TRQs and the softwood lumber AD/CVD orders are all active. USMCA provides 0% access for qualifying goods, but the underlying IEEPA tariff exists for non-USMCA entries.

Which HTS chapters carry the highest U.S. tariff on Canada-origin goods?

The highest effective rates fall on: softwood lumber (Ch 44) at ~14.18% AD/CVD; steel not qualifying for USMCA TRQ (Ch 72–73) at 25% Section 232; non-USMCA autos (Ch 87) at 25% Section 232 + potentially 25% IEEPA; and non-USMCA manufactured goods generally at 25% IEEPA. USMCA qualifying goods in all these categories enter at 0%.

How does the tariff stack layer on a single entry?

For USMCA-qualifying goods: 0% (USMCA preference supersedes MFN and IEEPA). For non-USMCA goods: MFN base rate + 25% IEEPA. For steel (non-USMCA, over TRQ): MFN + 25% Section 232. For lumber: MFN + AD rate + CVD rate (stacked). Each layer applies to the same customs value base. USMCA preference is the most powerful single tariff mitigation available for Canada-origin goods.

Can I use an FTZ to defer U.S. tariffs on Canada imports?

Yes. Goods admitted to a Foreign Trade Zone are not subject to duty until withdrawn for U.S. consumption. FTZs defer cash outlay for the 25% IEEPA tariff on non-USMCA goods and the Section 232 rate on steel. For USMCA-qualifying goods, FTZ admission provides no duty benefit (since duty is already 0%) but may offer other operational benefits like streamlined inventory tracking.

Are Canada tariffs eligible for drawback or refund?

IEEPA and Section 232 duties are generally eligible for manufacturing drawback (99% recovery on duties paid when imported goods are incorporated into exported products). Lumber AD/CVD is also drawback-eligible. Our trade advisory services team evaluates drawback programs for Canada-origin import and export programs.

How often do U.S. tariff rates on Canada change?

The IEEPA Canada executive order has been modified multiple times since February 2025 — USMCA carve-outs, product-specific exclusions, and rate adjustments have all occurred. Section 232 TRQ fill rates change quarterly. Softwood lumber AD/CVD rates are updated annually in administrative reviews. The Captain tariff tracker provides alerts when Canada-specific rates change.


Related U.S. Tariff Guides by Country

Country Tariff Guide
China U.S. Tariffs on China: Section 301 + Reciprocal Stack (2026)
India U.S. Tariffs on India: Reciprocal Rates and GSP Status
European Union U.S. Tariffs on European Union: Wine, Steel and Reciprocal Rates
Vietnam U.S. Tariffs on Vietnam: Reciprocal Rate and Trans-Shipment Risk
Japan U.S. Tariffs on Japan: Auto Section 232 and Reciprocal Rates
Mexico U.S. Tariffs on Mexico: USMCA Stack and Trump 25% IEEPA Order
Taiwan U.S. Tariffs on Taiwan: Semiconductor Section 232 and Reciprocal
Brazil U.S. Tariffs on Brazil: Steel Quotas and Reciprocal Rate
Thailand U.S. Tariffs on Thailand: Reciprocal and GSP Eligibility
South Korea U.S. Tariffs on South Korea: KORUS FTA and Section 232 Stack
Indonesia U.S. Tariffs on Indonesia: Reciprocal Rate and GSP
Malaysia U.S. Tariffs on Malaysia: Semiconductor and Reciprocal

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