Chapter 68: Articles of stone, plaster, cement and similar
2 lines with US duties on Canadian goods and 1 with Canadian surtaxes on US goods in HS chapter 68 (articles of stone, plaster, cement and similar). Rates, effective dates and official sources.
US on Canadian goods (2)
| HS | Measure | Rate | Effective | Description | |
|---|---|---|---|---|---|
| 6809.11.00 | US on Canadian goods | 50% | August 22, 2026 | Section 338 additional duty, Canada, HTS 9903.03.14 list (U.S. note 51(b)(3)), Proclamation 11048 (motor vehicles): +50% on top of the regular U.S. duty. Civil aircraft articles are excluded (9903.03.16). The 9903.03.15 exception for Section 232 goods does not apply to this list. | Official source |
| 6810.99.00 | US on Canadian goods | 50% | August 22, 2026 | Section 338 additional duty, Canada, HTS 9903.03.14 list (U.S. note 51(b)(3)), Proclamation 11048 (motor vehicles): +50% on top of the regular U.S. duty. Civil aircraft articles are excluded (9903.03.16). The 9903.03.15 exception for Section 232 goods does not apply to this list. | Official source |
Canada on US goods (1)
| HS | Measure | Rate | Effective | Description | |
|---|---|---|---|---|---|
| 6809.11.00 | Canada on US goods | 50% | September 8, 2026 | Articles of plaster or of compositions based on plaster. — Boards, sheets, panels, tiles and similar articles, not ornamented: Faced or reinforced with paper or paperboard only | Official source |
The chapter is the first two digits of the code. Always check your goods' classification and the official text before you file.