CHAPTER 35 · LEGAL NOTES
Chapter 35
The 32 legal notes below govern classification under Chapter 35. 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 does not cover: (a) Yeasts (heading 2102); (b) Blood fractions (other than blood albumin not prepared for therapeutic or prophylactic uses), medicaments or other products of chapter 30; (c) Enzymatic preparations for pre-tanning (heading 3202); (d) Enzymatic soaking or washing preparations or other products of chapter 34; (e) Hardened proteins (heading 3913); or (f) Gelatin products of the printing industry (chapter 49).
Note 2
Chapter Note 2: For the purposes of heading 3505, the term "dextrins" means starch degradation products with a reducing sugar content, expressed as dextrose on the dry substance, not exceeding 10 percent. Such products with a reducing sugar content exceeding 10 percent fall in heading 1702.
Additional U.S. notes
Note 0
Additional U.S. Note 0: 7¢/kg1/ Dextrin: Other:
Note 1
Additional U.S. Note 1: For the purposes of subheading 3501.10.10, "milk protein concentrate" means any complete milk protein (casein plus lactalbumin) concentrate. Unit Rates of Duty of Quantity Article Description Stat. Suffix Heading/ Subheading 1 2 General Special 3501 Casein, caseinates and other casein derivatives; casein glues:
Note 2
Additional U.S. Note 2: 8¢/kg + 3.8%1/ Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed:
footnote
See 9903.88.15.
Applies to
See 9903.88.15.
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See 9903.88.15.
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See 9903.88.15.
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See 9903.88.03.
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See 9903.88.15.
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See 9903.88.15.
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See 9903.88.03.
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See 9903.88.15.
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See 9903.88.15.
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See 9903.88.15.
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See 9903.88.15.
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See 9903.88.15.
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See 9903.88.15.
Applies to
See 9903.88.15.
Applies to
See 9903.88.15.
Applies to
See 9903.88.03.
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See 9903.88.03.
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See 9903.88.03.
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See 9903.88.03.
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See 9903.90.08.
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See 9903.88.03.
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See 9903.90.08.
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See 9903.88.03.
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See 9903.88.03.
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See 9903.88.03.
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See 9903.90.08.
Applies to
Classify under Chapter 35 with confidence
TariffLens applies the legal notes above automatically when classifying — citing the relevant note in every GRI reasoning chain.