CHAPTER 55 · LEGAL NOTES
Chapter 55
The 139 legal notes below govern classification under Chapter 55. 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: Headings 5501 and 5502 apply only to man-made filament tow, consisting of parallel filaments of a uniform length equal to the length of the tow, meeting the following specifications: (a) Length of tow exceeding 2 m; (b) Twist less than 5 turns per meter; (c) Measuring per filament less than 67 decitex; (d) Synthetic filament tow only: the tow must be drawn, that is to say, be incapable of being stretched by more than 100 percent of its length; and (e) Total measurement of tow more than 20,000 decitex. Tow of a length not exceeding 2 m is to be classified in heading 5503 or 5504.
Additional U.S. notes
Note 1
Additional U.S. Note 1: For the purposes of the woven fabrics of chapter 55, unless the context otherwise requires, provisions relating to one or more weaves embrace only those fabrics which (excluding selvage) are wholly of the specified weave or weaves, including combinations exclusively thereof.
Statistical notes
Note 1
Statistical Note 1: For the purposes of the woven fabrics of chapter 55: (a) The term "poplin or broadcloth" means plain weave fabrics, not of square construction, whether or not napped, but does not include the following types: (i) Fabrics weighing not more than 170 grams per square meter, containing 33 or less warp ends and filling picks per square centimeter; and (ii) Fabrics weighing more than 170 grams per square meter, of average yarn number 26 or lower number. (b) The term "sheeting" means plain weave fabrics, whether or not napped, of the following types: (i) Fabrics weighing not more than 170 grams per square meter, of square construction, containing more than 33 warp ends and filling picks per square centimeter, of average yarn number 68 or lower number, but not including printcloth; and (ii) Fabrics weighing more than 170 grams per square meter, but does not include:
Note 14
Statistical Note 14: 9%1/ kg kg kg kg 3-thread or 4-thread twill, including cross twill, of
Note 14
Statistical Note 14: 9%1/ kg kg kg kg kg kg kg 1
Note 2
Statistical Note 2: The term "discharge printed" fabrics refers to fabrics which have been: (a) Dyed, not tinted, a single uniform color other than white;
footnote
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Classify under Chapter 55 with confidence
TariffLens applies the legal notes above automatically when classifying — citing the relevant note in every GRI reasoning chain.