Fertilizers; animal or vegetable, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products
3101
6-digit subheadings (1)
Official HS 2022 subheading texts. National tariff schedules subdivide these further (8-10 digit lines) and set the actual duty rates.
3101.00
Fertilizers, animal or vegetable; whether or not mixed together or chemically treated; fertilizers, produced by the mixing or chemical treatment of animal or vegetable products
Chapter 31 classification notes
Chapter 31 includes ammonium-nitrate (3102.30) which is subject to dual-use export controls in many jurisdictions due to explosives potential. Personal-import zero.
Frequent misclassification in this chapter
Pesticides go to Chapter 38 not 31; soil amendments without fertiliser content go to Chapter 25.
Classification certainty
The 6-digit level shown here is the internationally harmonised layer. Duty rates attach to national 8-10 digit tariff lines, which differ by country — use the duty calculator for lane estimates. For binding certainty, request a ruling from the destination customs authority.
Binding tariff ruling database