CHAPTER 32 · LEGAL NOTES
Chapter 32
The 121 legal notes below govern classification under Chapter 32. 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) Separate chemically defined elements or compounds (except those of heading 3203 or 3204, inorganic products of a kind used as luminophores (heading 3206), glass obtained from fused quartz or other fused silica in the forms provided for in heading 3207, and also dyes and other coloring matter put up in forms or packings for retail sale, of heading 3212); (b) Tannates or other tannin derivatives of products of headings 2936 to 2939, 2941 or 3501 to 3504; or (c) Mastics of asphalt or other bituminous mastics (heading 2715).
Note 2
Chapter Note 2: Heading 3204 includes mixtures of stabilized diazonium salts and couplers for the production of azo dyes.
Note 3
Chapter Note 3: Headings 3203, 3204, 3205 and 3206 apply also to preparations based on coloring matter (including, in the case of heading 3206, coloring pigments of heading 2530 or chapter 28, metal flakes and metal powders), of a kind used for coloring any material or used as ingredients in the manufacture of coloring preparations. The headings do not apply, however, to pigments dispersed in nonaqueous media, in liquid or paste form, of a kind used in the manufacture of paints, including enamels (heading 3212), or to other preparations of heading 3207, 3208, 3209, 3210, 3212, 3213 or 3215.
Note 4
Chapter Note 4: Heading 3208 includes solutions (other than collodions) consisting of any of the products specified in headings 3901 to 3913 in volatile organic solvents when the weight of the solvent exceeds 50 percent of the weight of the solution.
Note 5
Chapter Note 5: The expression "coloring matter" in this chapter does not include products of a kind used as extenders in oil paints, whether or not they are also suitable for coloring distempers.
Note 6
Chapter Note 6: The expression "stamping foils" in heading 3212 applies only to thin sheets of a kind used for printing, for example, book covers or hat bands, and consisting of-- (a) Metallic powder (including powder of precious metal) or pigment, agglomerated with glue, gelatin or other binder; or (b) Metal (including precious metal) or pigment, deposited on a supporting sheet of any material.
Additional U.S. notes
Note 1
Additional U.S. Note 1: For the purposes of subheadings 3204.11.10, 3204.12.20 and 3204.16.20, the term "dyes containing, by weight" means those products which contain as the only dye components, the specified components listed therewith, each of which must be present in the product. A tolerance of plus or minus two percentage points from the named percentages is allowable. Unit Rates of Duty of Quantity Article Description Stat. Suffix Heading/ Subheading 1 2 General Special Tanning extracts of vegetable origin; tannins and their salts, ethers, esters and other derivatives: 3201
Note 10
Additional U.S. Note 10: 6 percent Disperse Green 9; Dyes containing, by weight-- 67.7 percent Disperse Blue 35, 14.2 percent Disperse Yellow 1, and 18.1 percent Disperse Orange 1; Dyes containing, by weight--
Note 33
Additional U.S. Note 33: 0 percent Disperse Violet 27; Dyes containing, by weight-- 89.4 percent Disperse Violet 27, and
Note 6
Additional U.S. Note 6: 5%1/ 1 Unit Rates of Duty of Quantity Article Description Stat. Suffix Heading/ Subheading 1 2 General Special Synthetic organic coloring matter, whether or not chemically defined; preparations as specified in note 3 to this chapter based on synthetic organic coloring matter; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined: 3204 Synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter:
Note 6
Additional U.S. Note 6: 5%1/ 1 Unit Rates of Duty of Quantity Article Description Stat. Suffix Heading/ Subheading 1 2 General Special Synthetic organic coloring matter, whether or not chemically defined; preparations as specified in note 3 to this chapter based on synthetic organic coloring matter; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined: 3204 Synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter: Other, including mixtures of coloring matter of two or more of the subheadings 3204.11 to 3204.19:
Note 6
Additional U.S. Note 6: 5%1/ 1
Note 74
Additional U.S. Note 74: 3 percent Disperse Blue 285, 18.0 percent Disperse Brown 19, and 7.7 percent Disperse
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Classify under Chapter 32 with confidence
TariffLens applies the legal notes above automatically when classifying — citing the relevant note in every GRI reasoning chain.