Heading 4810 · Paper and paperboard, coated on one or both sides with kaolin (China clay) or…

4810.31

Bleached uniformly throughout the mass and of which more than 95 percent by weight of the total fiber content consists of wood fibers obtained by a chemical process and weighing 150 g/m² or less:

Mentioned in Chapter 99

The parts of Chapter 99, in the 2026 HTS Revision 22, that list HTS 4810.31, a broader code that includes it, or a narrower code within it.

U.S. noteExcerptHeadings that refer to it
U.S. note 20(f)(f) Heading 9903.88.03 applies to all products of China that are classified in the following 8-digit subheadings, except products of China granted an exclusion by the U.S. Trade Representative and provided for in (1) heading 9903.88.13 and…9903.88.03, 9903.88.09

Being listed is not owing a duty. A note may list goods that a measure leaves out; whether a heading applies depends on the origin, the date and the product; and the measures on all the goods of a country list no code at all. The calculator says what applies.

In the tariff

  1. 4810Paper and paperboard, coated on one or both sides with kaolin (China clay) or other inorganic substances, with or without a binder, and with no other coating, whether or not surface-colored, surface-decorated or printed, in rolls or rectangular (including square) sheets, of any size
  2. Kraft paper and paperboard, other than that of a kind used for writing, printing or other graphic purposes
  3. 4810.31Bleached uniformly throughout the mass and of which more than 95 percent by weight of the total fiber content consists of wood fibers obtained by a chemical process and weighing 150 g/m² or less
  4. 4810.31.10In strips or rolls of a width exceeding 15 cm or in rectangular (including square) sheets with one side exceeding 36 cm and the other side exceeding 15 cm in the unfolded stateFree
  5. 4810.31.10.20Folding carton stock
  6. 4810.31.10.40Base stock for trays, dishes, plates, cups and the like
  7. Other
  8. 4810.31.10.50Gift wrap
  9. 4810.31.10.80Other
  10. Other
  11. 4810.31.30.00Cards, not punched, for punchcard machines, whether or not in stripsFree
  12. 4810.31.65.00OtherFree