Import duty / Chapter 31
5 headings and 24 tariff lines in section VI; 24 lines clear duty-free under USMCA for North American origin goods. Each heading lists its lines with the published US and Canadian rates, verified October 2026.
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
1 line ยท 1 USMCA-free
Fertilizers; mineral or chemical, nitrogenous
9 lines ยท 9 USMCA-free
Fertilizers; mineral or chemical, phosphatic
3 lines ยท 3 USMCA-free
Fertilizers; mineral or chemical, potassic
3 lines ยท 3 USMCA-free
Fertilizers; mineral or chemical, containing 2 or 3 of the elements nitrogen, phosphorus, potassium; other fertilisers; goods of chapter 31 in tablets or packages of gross weight not exceeding 10kg
8 lines ยท 8 USMCA-free
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.