Import duty / Chapter 44 / Heading 4406
Heading 4406 covers 4 tariff lines in LoadLoom's table; 4 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 4406.11 | Wood; railway or tramway sleepers (cross-ties), not impregnated, coniferous | Free | Free | Free with certificate |
| 4406.12 | Wood; railway or tramway sleepers (cross-ties), not impregnated, non-coniferous | Free | Free | Free with certificate |
| 4406.91 | Wood; railway or tramway sleepers (cross-ties), impregnated, coniferous | Free | Free | Free with certificate |
| 4406.92 | Wood; railway or tramway sleepers (cross-ties), impregnated, non-coniferous | Free | Free | Free with certificate |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
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Chapter 44: Wood and articles of wood; wood charcoal · Every chapter
