0506.90.00
Other
Bones and horn-cores, unworked, defatted, simply prepared (but not cut to shape), treated with acid or degelatinized; 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
9903.03.13
The duty provided in the applicable subheading + 50%
ActiveSection 338 (Canada): goods of Canada in the Proclamation 11047 annex (supply-management TRQ allocation against US dairy), 50% additional ad valorem duty.
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) dairy: 52 subheadings under 9903.03.13 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
Application for Further Review of Protest No. 1101-14-100135; Classification of frozen veal bones from New Zealand
The merchandise at issue is described as frozen veal bones, cut to length. The bones come from the neck vertebrae, aitch, blade, brisket, knuckle tip, and rib bones of “bobby” veal calves. The bones are cut length-wise or width-wise into ma
The tariff classification of dog chews from Belgium.
The products included in this inquiry are described as pet treats, unfit for human consumption as a result of the manufacturing processes with which they are prepared. Aside from maple syrup, which is added to some products as a flavoring,
The tariff classification of frozen veal bones from NewZealand.
The tariff classification of frozen veal bones from NewZealand.
Other codes in heading 0506
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 0506.90.00 from each major US trading partner.
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