HTS heading · chapter 31
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
Analysis
Heading 3105 of the Harmonized Tariff Schedule covers 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…. It divides into 8 six-digit subheadings and 8 eight-digit tariff lines, with 10 ten-digit statistical suffixes below them.
Every one of its 8 tariff lines is duty-free at the general rate, so classification within the heading affects statistics and Chapter 99 measures rather than the base duty.
The largest subheadings are 3105.10 (unnamed, 1 line), 3105.20 (unnamed, 1 line), 3105.30 (unnamed, 1 line) and 3105.40 (unnamed, 1 line).
By Census's concordance, most of its statistical lines are made by Phosphatic Fertilizer Manufacturing (325312). Those are the NAICS industries a US producer of these goods would report under.
Its median rate of duty-free sits at the 50th percentile of the headings in chapter 31.
Tariff lines
| Line | 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 | Containing nitrates and phosphates | Free |
| 3105.59.00 | Other mineral or chemical fertilizers containing the two fertilizing elements nitrogen and phosphorus: other | Free |
| 3105.60.00 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | Free |
| 3105.90.00 | 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: other | Free |