HTS heading 3105
Mineral 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 — 13 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 3105 | Mineral 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 + Ch. 99 | not stated | — |
| 3105.10.00.00 | Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg + Ch. 99 | Free | kg |
| 3105.20.00.00 | Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium + Ch. 99 | Free | t |
| 3105.30.00.00 | Diammonium hydrogenorthophosphate (Diammonium phosphate) + Ch. 99 | Free | t |
| 3105.40.00 | Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate) + Ch. 99 | Free | — |
| 3105.40.00.10 | Ammonium dihydrogenorthophosphate (Monoammonium phosphate) + Ch. 99 | Free (inherited from 3105.40.00) | t |
| 3105.40.00.50 | Other + Ch. 99 | Free (inherited from 3105.40.00) | t |
| 3105.51.00.00 | Containing nitrates and phosphates + Ch. 99 | Free | t |
| 3105.59.00.00 | Other + Ch. 99 | Free | t |
| 3105.60.00.00 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium + Ch. 99 | Free | t |
| 3105.90.00 | Other + Ch. 99 | Free | — |
| 3105.90.00.10 | Potassium nitrate-sodium nitrate mixtures + Ch. 99 | Free (inherited from 3105.90.00) | t |
| 3105.90.00.50 | Other + Ch. 99 | Free (inherited from 3105.90.00) | t |
4 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
13 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.