Canada Implements New Surtaxes on Certain U.S.-Origin Goods Effective September 8, 2026

The Canada Border Services Agency (CBSA) has issued Customs Notice 26-23, providing guidance on the United States Surtax Order (2026). Effective September 8, 2026, certain goods originating in the United States and imported into Canada are subject to additional surtaxes of 15%, 25%, or 50%, depending on the product.

The measures were introduced by Canada in response to U.S. Section 338 tariffs imposed on Canadian goods.

What Importers Need to Know

The surtax applies to specified U.S.-origin goods listed in the schedules to the United States Surtax Order (2026). The applicable surtax is calculated as a percentage of the value for duty:

The surtax applies to both commercial and casual imports, including U.S.-origin goods exported to Canada from a third country.

Importantly, the measure is based on origin rather than country of export. Goods must therefore be reviewed to determine whether they qualify as U.S.-origin under Canada’s applicable marking rules.

Key Exceptions and Considerations

Certain goods may not be subject to the surtax, including:

Where a product would otherwise be subject to both the United States Surtax Order (2026) and the Steel Derivative Goods Surtax Order, only the surtax under the United States Surtax Order (2026) applies. The two surtaxes are not cumulative.

Importers should also note that the surtax may apply to shipments that fall within de minimis thresholds.

Canada’s Duties Relief and Duty Drawback Programs may be available for surtax paid or payable, subject to applicable requirements.

Accounting Requirements

Importers must declare applicable surtaxes when completing the Commercial Accounting Declaration (CAD) through CARM.

The applicable surtax codes are:

The surtax amount must be reported in Field 85 – Surtax of the CAD.

Importers are responsible for ensuring that the correct origin, tariff classification, value for duty, and surtax treatment are declared. CBSA may conduct examinations and post-release verifications, and non-compliance may result in additional duties, penalties, and interest.

Recommended Actions

Buckland recommends that importers:

The Government of Canada has also established a remission framework for importers seeking transitional relief on certain U.S.-origin products.

For the complete list of products and applicable surtax rates, please refer to the Government of Canada’s Complete List of U.S. Products Subject to Counter Tariffs.

If you have questions regarding how these surtaxes may affect your imports into Canada, please contact your Buckland representative for assistance.