CHAPTER 99 · TRADE MEASURE CODE
9903.01.10
Struck down9903.01.10 implements Reciprocal Tariff on goods of Canada origin, adding +35% on top of the base HTS duty. It is effective April 5, 2025 through February 24, 2026.
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Additional rate
+35%
Status
Applies to
Canada
Base codes paired
34,423
What 9903.01.10 implements
Except for products described in headings 9903.01.11, 9903.01.12, 9903.01.13, 9903.01.14 or 9903.01.15, articles the product of Canada, as provided for in U.S. note 2(j) to this subchapter
HTS legal text: Except for products described in headings 9903.01.11, 9903.01.12, 9903.01.13, 9903.01.14 or 9903.01.15, articles the product of Canada, as provided for in U.S. note 2(j) to this subchapter
The IEEPA reciprocal tariff was struck down by the U.S. Supreme Court on February 20, 2026. Section 122 (9903.03) is the temporary replacement surcharge.
Base HTS codes 9903.01.10 pairs with
Showing 30 of 34,423 linked base codes. Open a base code, then add /from/<country> to see the computed duty.
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Frequently asked questions
What is 9903.01.10?
9903.01.10 is a U.S. Harmonized Tariff Schedule Chapter 99 subheading that implements Reciprocal Tariff on goods of Canada origin. It adds +35% on top of the duty in the underlying base HTS subheading. It is effective April 5, 2025 through February 24, 2026. This measure has been struck down and is not currently collected.
Does 9903.01.10 apply to 0101.21.00?
0101.21.00 (Purebred breeding animals) is among the base HTS codes linked to 9903.01.10. Whether the measure is owed on a specific entry also depends on the country of origin (Reciprocal Tariff applies to Canada) and any applicable exclusion. See the duty-by-origin page for the computed rate.
Is 9903.01.10 still in effect?
No. The IEEPA reciprocal tariff was struck down by the U.S. Supreme Court on February 20, 2026. Section 122 (9903.03) is the temporary replacement surcharge. Check the base HTS code's duty-by-origin page for the rate currently collected.
Where does this come from, and how current is it?
Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
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