CHAPTER 83 · LEGAL NOTES
Chapter 83
The 7 legal notes below govern classification under Chapter 83. They are part of the official Harmonized Tariff Schedule and are cited verbatim in CBP rulings.
As of August 15, 2026
Chapter notes
Note 1
Chapter Note 1: For the purposes of this chapter, parts of base metal are to be classified with their parent articles. However, articles of iron or steel of heading 7312, 7315, 7317, 7318, or 7320, or similar articles of other base metal (chapters 74 to 76 and 78 to 81) are not to be taken as parts of articles of this chapter.
Note 2
Chapter Note 2: For the purposes of heading 8302, the word "castors" means those having a diameter (including, where appropriate, tires) not exceeding 75 mm, or those having a diameter (including, where appropriate, tires) exceeding 75 mm, provided that the width of the wheel or tire fitted thereto is less than 30 mm.
Additional U.S. notes
Note 1
Additional U.S. Note 1: The dutiable weight of hooks, eyes and eyelets in subheading 8308.10 includes the weight of cards, cartons and immediate wrappings and labels.
Statistical notes
Note 1
Statistical Note 1: For the purposes of statistical reporting number 8307.10.6010, jacketed corrugated stainless steel tubing refers to tubing marked with the words “Fuel Gas”, and excludes tubing with permanently attached end fittings.
Note 2
Statistical Note 2: For the purposes of statistical reporting number 8309.90.0020 cans of a kind used for the conveyance of beverages include those with “stay on tab ends” and “ring pull tab ends." Unit Rates of Duty of Quantity Article Description Stat. Suffix Heading/ Subheading 1 2 General Special Padlocks and locks (key, combination or electrically operated), of base metal; clasps and frames with clasps, incorporating locks, of base metal; keys and parts of any of the foregoing articles, of base metal: 8301
footnote
See 9903.90.08.
Applies to
See 9903.90.08.
Applies to
Classify under Chapter 83 with confidence
TariffLens applies the legal notes above automatically when classifying — citing the relevant note in every GRI reasoning chain.