0507.90.00
Other
Ivory, tortoise-shell, whalebone and whalebone hair, horns, antlers, hooves, nails, claws and beaks, unworked or simply prepared but not cut to shape; powder and waste of these products
Data provenance: Rates from HTS Revision 19 (Sep 16, 2026); trade measures verified against CBP CSMS and Federal Register notices through Sep 3, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
Free
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
9903.88.03
LIST_1
The duty provided in the applicable subheading + 25%
ActiveExcept as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Applies to origin: CN
Effective from August 23, 2018
SECTION_338
9903.03.14
The duty provided in the applicable subheading + 50%
ActiveSection 338 (Canada): goods of Canada in the Proclamation 11048 annex (motor vehicles), 50% additional ad valorem duty. The annex is far broader than its title: honey, plants, lumber, textiles, apparel, tools, furniture, sporting goods and antiques are in it.
Applies to origin: CA
Effective from August 22, 2026
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
SCOPE_EXPANSION Procs. 11046 / 11047 / 11048 (91 FR 46639) — Section 338 Canada
Section 338 (Canada) motor vehicles: 439 subheadings under 9903.03.14 at 50%, effective 2026-08-22
See the change → -
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to Free.
Related CBP rulings
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Other codes in heading 0507
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 0507.90.00 from each major US trading partner.
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