CHAPTER 99 · TRADE MEASURE CODE
9903.89.63
Active9903.89.63 implements IEEPA Tariff, adding The duty provided in the applicable subheading on top of the base HTS duty. It is effective January 1, 2025.
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
The duty provided in the applicable subheading
Status
Applies to
See scope
Base codes paired
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What 9903.89.63 implements
Other parts of airplanes or helicopters (provided for [described]in statistical reporting number 8803.30.0030), the foregoing not described [provided for]in subheading 9903.89.61
HTS legal text: Other parts of airplanes or helicopters (provided for [described]in statistical reporting number 8803.30.0030), the foregoing not described [provided for]in subheading 9903.89.61
Frequently asked questions
What is 9903.89.63?
9903.89.63 is a U.S. Harmonized Tariff Schedule Chapter 99 subheading that implements IEEPA Tariff. It adds The duty provided in the applicable subheading on top of the duty in the underlying base HTS subheading. It is effective January 1, 2025.
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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