CHAPTER 01 · LEGAL NOTES
Chapter 1
The 42 legal notes below govern classification under Chapter 01. They are part of the official Harmonized Tariff Schedule and are cited verbatim in CBP rulings.
As of June 9, 2026
Chapter notes
Note 1
Chapter Note 1: This chapter covers all live animals except: (a) Fish and crustaceans, molluscs and other aquatic invertebrates, of heading 0301, 0306, 0307 or 0308; (b) Cultures of microorganisms and other products of heading 3002; and (c) Animals of heading 9508.
Additional U.S. notes
Note 0
Additional U.S. Note 0: 9¢ each1/ Breeding stock, whether or not purebred:
Note 0
Additional U.S. Note 0: 9¢ each No. 1/ Other:
Note 1
Additional U.S. Note 1: The expression "purebred breeding animals" covers only animals certified to the U.S. Customs Service by the Department of Agriculture as being purebred of a recognized breed and duly registered in a book of record recognized by the Secretary of Agriculture for that breed, imported specially for breeding purposes, whether intended to be used by the importer himself or for sale for such purposes. 1/
Note 2
Additional U.S. Note 2: Certain special provisions applying to live animals are in chapter 98. 1/ The animal certificate of pure breeding is an obsolete form and can no longer be obtained from the U.S. Department of Agriculture. Consult U.S. Customs for additional information. Unit Rates of Duty of Quantity Article Description Stat. Suffix Heading/ Subheading 1 2 General Special 0101 Live horses, asses, mules and hinnies: Horses:
footnote
See 9903.88.15.
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Classify under Chapter 01 with confidence
TariffLens applies the legal notes above automatically when classifying — citing the relevant note in every GRI reasoning chain.