Information only — not legal or customs advice. Verify every figure with the official source.

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HS chapters

Chapter 39: Plastics and articles thereof

20 lines with US duties on Canadian goods and 6 with Canadian surtaxes on US goods in HS chapter 39 (plastics and articles thereof). Rates, effective dates and official sources.

US on Canadian goods (20)

HSMeasureRateEffectiveDescription
3907.70.00 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
3907.99.50 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
3918.10.10 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
3919.10.20 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
3919.90.50 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
3920.20.00 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
3921.19.00 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
3921.90.50 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
3923.10.90 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
3923.21.00 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
3923.30.00 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
3923.50.00 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
3924.10.20 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
3924.10.40 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
3924.90.56 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
3926.10.00 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
3926.30.10 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
3926.30.50 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
3926.40.00 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
3926.90.99 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 (6)

HSMeasureRateEffectiveDescription
3918.10.10 Canada on US goods 50% September 8, 2026 Floor coverings of plastics, whether or not self-adhesive, in rolls or in the form of tiles; wall or ceiling coverings of plastics, as defined in Note 9 to this Chapter. — Of polymers of vinyl chloride: Wall or ceiling coverings combined with knitted or woven fabrics, nonwovens or felt Official source
3918.10.90 Canada on US goods 50% September 8, 2026 Floor coverings of plastics, whether or not self-adhesive, in rolls or in the form of tiles; wall or ceiling coverings of plastics, as defined in Note 9 to this Chapter. — Of polymers of vinyl chloride: Other Official source
3919.10.99 Canada on US goods 50% September 8, 2026 Self-adhesive plates, sheets, film, foil, tape, strip and other flat shapes, of plastics, whether or not in rolls. — In rolls of a width not exceeding 20 cm: Other: Other Official source
3923.21.90 Canada on US goods 50% September 8, 2026 Articles for the conveyance or packing of goods, of plastics; stoppers, lids, caps and other closures, of plastics. — Sacks and bags (including cones): Of polymers of ethylene: Other Official source
3924.10.00 Canada on US goods 50% September 8, 2026 Tableware, kitchenware, other household articles and hygienic or toilet articles, of plastics. — Tableware and kitchenware Official source
3924.90.00 Canada on US goods 50% September 8, 2026 Tableware, kitchenware, other household articles and hygienic or toilet articles, of plastics. — Other Official source

The chapter is the first two digits of the code. Always check your goods' classification and the official text before you file.