HTS heading
3102Mineral or chemical fertilizers, nitrogenous:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (9 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 3102.10.00 | Urea, whether or not in aqueous solution | Free | — | Free |
| 3102.21.00.00 | Ammonium sulfate | Free | — | Free |
| 3102.29.00.00 | Other | Free | — | Free |
| 3102.30.00.00 | Ammonium nitrate, whether or not in aqueous solution | Free | — | Free |
| 3102.40.00.00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | Free | — | Free |
| 3102.50.00.00 | Sodium nitrate | Free | — | Free |
| 3102.60.00.00 | Double salts and mixtures of calcium nitrate and ammonium nitrate | Free | — | Free |
| 3102.80.00.00 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | Free | — | Free |
| 3102.90.01.00 | Other, including mixtures not specified in the foregoing subheadings | Free | — | Free |
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