CHAPTER 52 · LEGAL NOTES
Chapter 52
The 251 legal notes below govern classification under Chapter 52. They are part of the official Harmonized Tariff Schedule and are cited verbatim in CBP rulings.
As of June 9, 2026
Additional U.S. notes
Note 1
Additional U.S. Note 1: Under regulations prescribed by the Secretary of the Treasury, the staple length of cotton shall be determined for all customs purposes by application of the Official Cotton Standards of the United States for length of staple, as established by the Secretary of Agriculture and in effect when the determination is to be made.
Note 10
Additional U.S. Note 10: The aggregate quantity of fibers of cotton processed but not spun, entered under subheading 5203.00.10 during the 12-month period from September 11 in any year through September 10, inclusive, shall not exceed 2,500 kilograms (articles the product of Mexico shall not be permitted or included in the aforementioned quantitative limitation and no such articles shall be classifiable therein). Articles the product of countries or areas who are not members of the World Trade Organization shall not be permitted or included in the quantitative limitations set forth in this note.
Note 2
Additional U.S. Note 2: For the purposes of classifying yarns of headings 5205 and 5206 the term "nm," as applied in these headings, means the number of 1,000-meter lengths of yarn in one kilogram.To determine the nm measurement of any yarn, whether single, multiple (folded) or cabled, the actual meters per kilogram shall be divided by 1,000 and the quotient thereof multiplied by the number of single yarns therein, including the single yarns used in manufacturing multiple (folded) or cabled yarns.
Note 3
Additional U.S. Note 3: For the purposes of the woven fabrics of chapter 52: (a) The term "number," as applied to woven fabrics of cotton, means the average yarn number of the yarns contained therein. In computing the average yarn number, the length of the yarn is considered to be equal to the distance covered by it in the fabric in the condition as imported, with all clipped yarn being measured as if continuous and with the count being taken of the total single yarns in the fabric including the single yarns in any multiple (folded) or cabled yarns. The weight shall be taken after any excessive sizing is removed by boiling or other suitable process.
Note 4
Additional U.S. Note 4: For the purposes of heading 5208 and 5209, the term "certified hand-loomed fabrics" means fabrics made on a hand loom (i.e., a nonpower-driven loom) by a cottage industry and which prior to exportation have been certified by an official of a government agency of the country where the fabrics were produced to have been so made.
Note 5
Additional U.S. Note 5: The aggregate quantity of cotton, not carded or combed, the product of any country or area including the United States, having a staple length under 28.575 mm (/8 inches) (except harsh or rough cotton, having a staple length under 19.05 mm (3/4 inch)), entered under subheading 5201.00.14 during the 12-month period from September 20 in any year through September 19, inclusive, shall not exceed 20,207.05 metric tons (articles the product of Mexico shall not be permitted or included in the aforementioned quantitative limitation and no such articles shall be classifiable therein). Of the quantitative limitations provided for in this note, the countries listed below shall have access to not less than the quantities specified below: Quantity (kg) 9,671 British West Indies (except Barbados, Indonesia & Netherlands New Guinea (aggregate)....
Note 6
Additional U.S. Note 6: The aggregate quantity of harsh or rough cotton, not carded or combed, the product of any country or area including the United States, having a staple length of 29.36875 mm (/32 inches) or more but under 34.925 mm (/8 inches) and white in color (except cotton of perished staple, grabbots and cotton pickings), entered under subheading 5201.00.24 during the 12-month period from August 1 in any year through July 31, inclusive, shall not exceed 1,400.0 metric tons (articles the product of Mexico shall not be permitted or included in the aforementioned quantitative limitation and no such articles shall be classifiable therein). Articles the product of countries or areas who are not members of the World Trade Organization shall not be permitted or included in the quantitative limitations set forth in this note.
Note 7
Additional U.S. Note 7: The aggregate quantity of cotton, not carded or combed, the product of any country or area including the United States, having a staple length of 28.575 mm (/8 inches) or more but under 34.925 mm (/8 inches) (except harsh or rough cotton, not carded or combed, having a staple length of 29.36875 mm (/32 inches) or more and white in color) but including cotton of perished staple, grabbots and cotton pickings, entered under subheading 5201.00.34 during the 12-month period from August 1 in any year through July 31, inclusive, shall not exceed 11,500.0 metric tons (articles the product of Mexico shall not be permitted or included in the aforementioned quantitative limitation and no such articles shall be classifiable therein). Articles the product of countries or areas who are not members of the World Trade Organization shall not be permitted or included in the quantitative limitations set forth in this note.
Note 8
Additional U.S. Note 8: The aggregate quantity of cotton, not carded or combed, the product of any country or area including the United States, having a staple length of 34.925 mm (/8 inches) or more, entered under subheading 5201.00.60 during the 12-month period from August 1 in any year through July 31, inclusive, shall not exceed 40,100.0 metric tons (articles the product of Mexico shall not be permitted or included in the aforementioned quantitative limitation and no such articles shall be classifiable therein). Articles the product of countries or areas who are not members of the World Trade Organization shall not be permitted or included in the quantitative limitations set forth in this note.
Note 9
Additional U.S. Note 9: The aggregate quantity of card strips made from cotton having a staple length under 30.1625 mm (/16 inches), and lap waste, sliver waste and roving waste of cotton, all the foregoing the product of any country or area including the United States, entered under subheading 5202.99.10 during the 12-month period from September 20 in any year through September 19, inclusive, shall not exceed 3,335,427 kilograms (articles the product of Mexico shall not be permitted or included in the aforementioned quantitative limitation and no such articles shall be classifiable therein). Of the quantitative limitations provided for in this note, the countries listed below shall have access to not less than the quantities specified below: Quantity (kg) Other than as provided for in the country allocations above, articles the product of countries or areas who are not members of the World Trade Organization shall not be permitted or included in the quantitative limitations set forth in this note.
Statistical notes
Note 1
Statistical Note 1: For the purposes of the woven fabrics of chapter 52: (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 200 grams per square meter, containing 33 or less warp ends and filling picks per square centimeter; and (ii) Fabrics weighing more than 200 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 200 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 200 grams per square meter, but does not include:
Note 10
Statistical Note 10: 5%2/ kg Cheesecloth; lawns, voiles or batistes 90 m² kg 1
Note 29
Statistical Note 29: 36875 mm (/32 inches) or more and white in color (except cotton of perished staple, grabbots and cotton pickings): Described in additional U.S. note 6 to this chapter
Note 83
Statistical Note 83: 33 decitex (exceeding 94 metric number but not
Subheading notes
Note 1
Subheading Note 1: For the purposes of subheadings 5209.42 and 5211.42, the expression "denim" means fabrics of yarns of different colors, of 3-thread or 4-thread twill, including broken twill, warp faced, the warp yarns of which are of one and the same color and the weft yarns of which are unbleached, bleached, dyed grey or colored a lighter shade of the color of the warp yarns.
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See 9903.52.00 through 9903.52.26 and 9904.52.01 through 9904.52.34.
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Classify under Chapter 52 with confidence
TariffLens applies the legal notes above automatically when classifying — citing the relevant note in every GRI reasoning chain.