CHAPTER 99 · TRADE MEASURE CODE
9903.03.16
Active9903.03.16 implements SECTION_338_EXEMPT on goods of Canada origin, adding No change on top of the base HTS duty. It is effective August 22, 2026.
Data provenance: Rates from HTS Revision 19 (Sep 16, 2026); trade measures verified against CBP CSMS and Federal Register notices through Sep 3, 2026.
Additional rate
No change
Status
Applies to
Canada
Base codes paired
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What 9903.03.16 implements
Section 338 (Canada) carve-out, U.S. Note 51(d): civil aircraft and related articles described in General Note 6, including when entered Free (C). Unmanned aircraft are NOT excluded.
HTS legal text: Articles of civil aircraft (all aircraft other than military aircraft and unmanned aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components the product of Canada, as provided for in subdivision (d) of U.S. note 51 to this subchapter
Recent changes affecting 9903.03.16
Frequently asked questions
What is 9903.03.16?
9903.03.16 is a U.S. Harmonized Tariff Schedule Chapter 99 subheading that implements SECTION_338_EXEMPT on goods of Canada origin. It adds No change on top of the duty in the underlying base HTS subheading. It is effective August 22, 2026.
Where does this come from, and how current is it?
Rates from HTS Revision 19 (Sep 16, 2026); trade measures verified against CBP CSMS and Federal Register notices through Sep 3, 2026.
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