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HTS 2621Chapter 26

HTS 2621 — Other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste: Duty Rate & Import Guide

Ores, Slag, Ash · 13 pending regulations · 15 court cases · $2.4M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$2.4M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

HIGH

1 rulings — · 13 reg · 12 CIT, 3 CAFC (1 recent)

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A

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Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, Federal Register, CourtListener · As of 2026-04-29 · Updates monthly

Active DisputesRecent court cases or pending regulations affect this code
Regulatory Pressure

This code has elevated regulatory activity — 1 CBP rulings (0 in last 2 years, trend: stable), 13 pending Federal Register actions, and 15 CIT/CAFC cases.

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Subheadings (2)

CodeDescriptionRate
2621.10.00.00Ash and residues from the incineration of municipal wasteFree
2621.90.00.00OtherFree

CBP Rulings (1)

H003743Classification

Revocation of Headquarters Ruling Letter (HQ) 955742, dated April 7, 1994; Classification of micro silica sand.

Federal Register (13)

Notice2021-24957
2021-11-18

Publication of a Report on the Effect of Imports of Vanadium on the National Security: An Investigation Conducted Under Section 232 of the Trade Expansion Act of 1962, as Amended

Publication of a report.

Notice2021-23301
2021-10-26

Publication of a Report on the Effect of Imports of Titanium Sponge on the National Security: An Investigation Conducted Under Section 232 of the Trade Expansion Act of 1962, as Amended

Publication of a report.

Notice2021-16113
2021-08-02

Publication of a Report on the Effect of Imports of Uranium on the National Security: An Investigation Conducted Under Section 232 of the Trade Expansion Act of 1962, as Amended

Publication of a report.

Notice2018-15090
2018-07-17

Request for Comments Concerning Proposed Modification of Action Pursuant to Section 301: China's Acts, Policies, and Practices Related to Technology Transfer, Intellectual Property, and Innovation

Request for comments and notice of public hearing.

Proposed Rule2015-32796
2015-12-29

Energy Conservation Program: Certification and Enforcement-Import Data Collection

Notice of proposed rulemaking.

View all 13+ regulations on Federal Register →

Court of International Trade & Federal Circuit (15)

Archer Daniels Midland Co. v. United States2026-02-06
Consol. 23-00239United States Court of International Trade
Haba2019-11-19
Consol. 18-00144United States Court of International Trade
Schlumberger Technology Corp. v. United States2017-01-09
2015-2076Court of Appeals for the Federal Circuit
Schlumberger Technology Corp. v. United States2015-07-22
Slip Op. 15-78; Court No. 11-00266United States Court of International Trade
Borusan Mannesmann Boru Sanayi ve Ticaret A.S. v. United States2015-04-22
Slip Op. 15-36; Court 14-00214United States Court of International Trade
View all 15+ cases on PACER →

Matching Export Code (Schedule B)

2621100000Schedule B

ASH AND RESIDUES FROM THE INCINERATION OF MUNICIPAL WASTE

Census Bureau export classification matching this HTS import code.

← 2620.99.85.002621.10.00.00 →