HTS heading 2621
Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste — 3 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 2621 | Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste + Ch. 99 | not stated | — |
| 2621.10.00.00 | Ash and residues from the incineration of municipal waste + Ch. 99 | Free | t |
| 2621.90.00.00 | Other + Ch. 99 | Free | t |
Additional duties may apply
3 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.