New U.S. Duties in Effect and Canadian Countermeasures Announced

The United States and Canada did not reach an agreement following the latest round of bilateral trade negotiations, which concluded on August 21, 2026. As a result, new U.S. tariffs of 50% on selected Canadian-origin products are now in effect.

Canada has announced that it will respond with countermeasures on selected U.S.-origin goods beginning September 8, 2026. The situation remains fluid, and both governments may issue additional implementation details and product-specific guidance.

Products potentially affected

The new U.S. tariffs apply to more than 500 Canadian products across several categories, including dairy products, alcoholic beverages, forestry and building products, apparel and textiles, sporting goods and other manufactured products.

Canada has announced measures targeting selected U.S.-origin goods, including steel products, dairy products, household appliances, electronics, agricultural equipment, and pulp and paper products.

Suggested actions to help mitigate impacts to your supply chain:

  • Tariff exposure: Identify products, tariff classifications, countries of origin, suppliers and customers that may be affected by the new measures.
  • Landed-cost impact: Assess potential additional duty exposure alongside freight, brokerage, taxes and working-capital requirements.
  • USMCA/CUSMA qualification: Confirm applicable rules of origin and supporting documentation. Assess preferential origin under USMCA/CUSMA separately from additional tariffs imposed under other trade authorities.
  • Inventory and shipment timing: Review upcoming shipments and inventory plans, particularly ahead of Canada’s planned September 8 implementation date.
  • Contractual considerations: Review applicable Incoterms, pricing arrangements and tariff-related provisions to understand responsibility for additional costs.
  • Customs compliance: Ensure tariff classification, origin, valuation and supporting documentation remain accurate and defensible.

The U.S.-Canada trade environment remains fluid, and further developments could affect tariff scope, implementation requirements and cross-border supply chains.

Continue monitoring official U.S. and Canadian government publications and remain prepared to adjust sourcing, inventory and transportation strategies as additional guidance becomes available.

How Maersk can support you

Maersk Customs Services and our Trade & Customs Consulting teams are closely monitoring developments and can help customers understand potential exposure and prepare for changing requirements.

Our teams can support with tariff classification, origin and USMCA/CUSMA reviews, landed-cost analysis, customs compliance and supply chain scenario planning.

Customers looking to assess tariff and customs implications earlier in the supply chain can also explore Maersk Trade & Tariff Studio, our AI-powered trade intelligence platform designed to support product classification, duty analysis, sourcing decisions and compliance planning. Book a demo with our experts.

For assistance regarding U.S. regulations, please contact compliance.mcsi.nam@maersk.com. For inquiries related to Canadian regulations, please contact compliance.ca.mcsi.nam@maersk.com.

We will continue to provide updates as additional guidance and details become available.

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