HTS chapter 31
HTS chapter 31: fertilizers codes and duty rates
Chapter 31 of the Harmonized Tariff Schedule of the United States has 5 headings and 24 rate lines, split into 29 ten-digit statistical codes. Each heading below lists its rate lines with the official description and the general (Column 1) rate of duty. The general rate is only the starting point: Section 301, Section 232 and other programs can add to it depending on the country of origin, and the calculator applies them for any line.
3101Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products
| HTS code | Description | General rate |
|---|---|---|
| 3101.00.00 | Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers produced by the mixing or chemical treatment of animal or vegetable products | Free |
3102Mineral or chemical fertilizers, nitrogenous
| HTS code | Description | General rate |
|---|---|---|
| 3102.10.00 | Urea, whether or not in aqueous solution3102.10.00.10 | Free |
| 3102.21.00 | Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate › Ammonium sulfate | Free |
| 3102.29.00 | Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate | Free |
| 3102.30.00 | Ammonium nitrate, whether or not in aqueous solution | Free |
| 3102.40.00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | Free |
| 3102.50.00 | Sodium nitrate | Free |
| 3102.60.00 | Double salts and mixtures of calcium nitrate and ammonium nitrate | Free |
| 3102.80.00 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | Free |
| 3102.90.01 | Other, including mixtures not specified in the foregoing subheadings | Free |
3103Mineral or chemical fertilizers, phosphatic
| HTS code | Description | General rate |
|---|---|---|
| 3103.11.00 | Superphosphates › Containing by weight 35 percent or more of diphosphorous pentaoxide (P2O5) | Free |
| 3103.19.00 | Superphosphates | Free |
| 3103.90.01 | Other | Free |
3104Mineral or chemical fertilizers, potassic
| HTS code | Description | General rate |
|---|---|---|
| 3104.20.00 | Potassium chloride | Free |
| 3104.30.00 | Potassium sulfate | Free |
| 3104.90.01 | Other | Free |
3105Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg
| HTS code | Description | General rate |
|---|---|---|
| 3105.10.00 | Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg | Free |
| 3105.20.00 | Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium | Free |
| 3105.30.00 | Diammonium hydrogenorthophosphate (Diammonium phosphate) | Free |
| 3105.40.00 | Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) | Free |
| 3105.51.00 | Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus › Containing nitrates and phosphates | Free |
| 3105.59.00 | Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus | Free |
| 3105.60.00 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | Free |
| 3105.90.00 | Other | Free |
Descriptions and general rates from the current USITC Harmonized Tariff Schedule. The general rate excludes additional duties such as Section 301, Section 232 and antidumping or countervailing duties, which depend on the country of origin.