Section VI, Chemical and allied products · HTS release 2026HTSRev21
HTS Chapter 31: headings and duty rates
Headings 3101 to 3105: 5 headings and 29 statistical lines. Each heading page gives its base-rate range and the additional duties for the main origins on 2026-10-09.
| Heading | Lines | Base rate |
|---|---|---|
| 3101Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the… | 1 | Free |
| 3102Mineral or chemical fertilizers, nitrogenous | 11 | Free |
| 3103Mineral or chemical fertilizers, phosphatic | 3 | Free |
| 3104Mineral or chemical fertilizers, potassic | 4 | Free |
| 3105Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium;… | 10 | Free |
Changes since 2025-10-09
No statistical lines were established or discontinued in this chapter in this period. Dated changes: change list.
Scope
We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.