HTS tariff line · chapter 26
2621.90.00
Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste: other
Analysis
HTS 2621.90.00 covers other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste: other under heading 2621 (other slag and ash, including seaweed ash (kelp); ash and residues from the incineration…).
There is no general-rate duty on this line, which puts it with roughly 97% of the 39 tariff lines in chapter 26 that are also free. Free here means free of the base duty only: origin-specific Chapter 99 duties such as Section 301 can still be owed.
The other line in the same group is 2621.10.00 (ash and residues from the incineration of municipal waste, duty-free).
Every edition we compared, from Jan 2023 to Oct 2026 (Rev. 22), shows the same general rate of Free.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 2621.10.00 | Ash and residues from the incineration of municipal waste | Free |