HTS heading 3815
Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included — 11 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 3815 | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included + Ch. 99 | not stated | — |
| 3815.11.00.00 | With nickel or nickel compounds as the active substance + Ch. 99 | Free | kg |
| 3815.12.00 | With precious metal or precious metal compounds as the active substance + Ch. 99 | Free | — |
| 3815.12.00.10 | With platinum group metals as the active substance + Ch. 99 | Free (inherited from 3815.12.00) | kg |
| 3815.12.00.90 | Other + Ch. 99 | Free (inherited from 3815.12.00) | kg |
| 3815.19.00.00 | Other + Ch. 99 | Free | kg |
| 3815.90 | Other + Ch. 99 | not stated | — |
| 3815.90.10.00 | Of bismuth, of tungsten or of vanadium + Ch. 99 | 6.5% | kg |
| 3815.90.20.00 | Of mercury or of molybdenum + Ch. 99 | 2.8% | kg |
| 3815.90.30.00 | Other + Ch. 99 | Free | kg |
| 3815.90.50.00 | Other + Ch. 99 | 5% | kg |
2 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
11 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.