U.S. duties on covered Canadian softwood lumber are determined under two separate trade-remedy orders: antidumping (AD) and countervailing duties (CVD). The rate for a particular shipment depends on the product’s scope, the exporter and producer, the entry date, and the Commerce and Customs instructions in effect for that entry. The 2025 results for 2023 entries are not a single current rate for every Canadian supplier.
What duties can apply to Canadian softwood lumber?
The U.S. Department of Commerce administers two separate proceedings for Canadian softwood lumber. AD duties address dumping; CVD duties address countervailable subsidies. The cases are A-122-857 for AD and C-122-858 for CVD. Both orders may apply to merchandise that falls within their scope.
The U.S. International Trade Commission (ITC) separately determines whether the U.S. industry has suffered or faces injury. That injury determination is distinct from Commerce’s calculation of AD and CVD rates.
How the rate is determined for an import
- Check whether the product is covered. The written order scope, including its product characteristics and exclusions, controls. Harmonized Tariff Schedule (HTS) numbers can help identify merchandise, but a tariff classification alone does not replace the written scope or a binding scope ruling.
- Identify each applicable order. Check AD case A-122-857 and CVD case C-122-858 separately. Each proceeding has its own rate determination and instructions.
- Match the supplier and entry date. Find the rate category that applies to the relevant producer/exporter and the shipment’s entry date. Rates can differ between individually reviewed companies and non-selected or all-others categories, and results for a past review period do not by themselves establish the rate for a later entry.
- Apply the operative instructions. Commerce issues instructions to U.S. Customs and Border Protection (CBP), which collects cash deposits when covered goods enter. The applicable deposit rate is the one in effect for the entry under the relevant instructions.
- Keep the deposit separate from the final duty assessment. A cash deposit is an estimate. An administrative review can later determine duties owed on earlier entries, resulting in further collection or a refund compared with the deposit.
For a shipment-specific dollar calculation, the importer needs the applicable AD and CVD rates and the entry-specific CBP instructions. Do not add percentages from different review periods or company categories and treat the result as a confirmed liability.
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What the latest located review results say—and what they do not
Commerce’s sixth administrative reviews covered entries made from January 1 through December 31, 2023. The final results were announced in 2025. The figures below are review results for that period, not a complete schedule of rates for every exporter or a declaration of the rate applicable to an entry in 2026.
| Order | Case | Final rates for the 2023 entry period | Non-selected-company rate | Final results announced |
|---|---|---|---|---|
| Countervailing duties (CVD) | C-122-858 | 12.12%–16.82% | 14.63% | August 8, 2025 |
| Antidumping duties (AD) | A-122-857 | 9.65%–35.53% | 20.56% | July 25, 2025 |
In Commerce’s 2025 results, the non-selected-company rate was described as applying to most Canadian companies. It is still a review-period figure, not a universal rate for all suppliers and entry dates. Commerce said it would instruct CBP to collect at the applicable rates in the final results.
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Do not combine the two non-selected-company figures to claim that every Canadian softwood lumber import currently faces a 35.19% duty. The figures belong to separate orders and reviews of 2023 entries. The complete exporter-specific schedule and later instructions needed to establish the rate for an entry on October 7, 2026 are not established here; other tariff measures, if applicable, must also be checked separately.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to check a particular supplier’s rate
- Confirm the merchandise scope. Compare the product with the written AD and CVD order descriptions and exclusions; seek a binding scope ruling if classification is uncertain.
- Search each Commerce case separately. Use A-122-857 for AD and C-122-858 for CVD. Look for the producer/exporter, the relevant review results, and the entry date.
- Confirm CBP’s instructions for that entry. A past administrative-review result may concern final duties on earlier entries, while current cash deposits are governed by operative instructions for the shipment.
- Keep other charges distinct. If estimating total import costs, check separately for any other tariff measure that applies; an AD/CVD rate alone does not establish every charge on an import.
Commerce’s guidance directs users to case-specific fact sheets and its Customs Liaison Unit for help determining an existing-order rate. A customs broker or trade-compliance adviser can also help connect the product, supplier, entry date, and CBP instructions.
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