EU Combined Nomenclature · CN code · HS 2621.90
✓ Can be used in a customs declaration Data: EU Combined Nomenclature, in force from 1 January 2026 · checked on 24 October 2026
Importing into EU
Charges on top of the customs duty, and rules the goods must meet at the border.
Prohibitions, licences, controls and sanctions that apply when these goods leave the EU.
| Export measures | Destination | Legal act | Validity |
|---|---|---|---|
| Export controlSanctions regime: Crimea and Sevastopol | Ukraine | Regulation 0692/14 | 25 February 2025 |
| Export controlSanctions regime: Russia | Russia | Regulation 0833/14 | 26 January 2026 |
| Export controlSanctions regime: Belarus | Belarus | Regulation 0765/06 | 24 October 2025 |
| Export controlSanctions regime: Non-government-controlled areas of Ukraine | Ukraine | Regulation 0263/22 | 25 August 2022 |
| Export control - Waste | All third countries | Regulation 1157/24 | 21 May 2026 |
TARIC data as of 26 October 2026
The rate each member state applies to goods of this code, from the Commission’s Taxes in Europe Database. A reduced rate can cover only part of the goods under a code: check the national VAT law.
Austria 20% 
Belgium 21% 
Bulgaria 20% 
Croatia 25% 
Cyprus 19% 
Czechia 21% 
Denmark 25% 
Estonia 24% 
Finland 25.5% 
France 20% 
Germany 19% 
Greece 24% 
Hungary 27% 
Ireland 23% 
Italy 22% 
Latvia 21% 
Lithuania 21% 
Luxembourg 17% 
Malta 18% 
Netherlands 21% 
Poland 23% 
Portugal 23% 
Romania 21% 
Slovakia 23% 
Slovenia 22% 
Spain 21% 
Sweden 25% TEDB · 26 October 2026
| Country | Value | Share | Change |
|---|---|---|---|
 Türkiye | €29.9m | 47.7% | -5.3% |
 Canada | €11.7m | 18.7% | -22.7% |
 China | €7.4m | 11.8% | +17.6% |
 India | €5m | 7.9% | +62.5% |
 Bosnia & Herzegovina | €3.1m | 4.9% | -45.3% |
 Vietnam | €1.1m | 1.8% | +408.4% |
 Serbia | €1m | 1.7% | +9,646.7% |
 Thailand | €920k | 1.5% | +2,361% |
2621.90 Other slag and ash, including seaweed ash: other
UK Free Third-country duty 1 tariff line Türkiye Free Third-country duty 3 tariff lines 
USA Free General (MFN) 1 tariff line Canada Free Third-country duty 1 tariff line 
Mexico Free Third-country duty 1 tariff line 
Brazil 3.6% Third-country duty 2 tariff lines 
Argentina 3.6% Third-country duty 2 tariff lines 
Peru Free Third-country duty 1 tariff line 
New Zealand Free Third-country duty 3 tariff lines 
Japan Free Third-country duty 1 tariff line 
Taiwan Free Third-country duty 2 tariff lines 
GCC 5% Third-country duty 7 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 1 tariff line 
Nigeria 5% Third-country duty 1 tariff line Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
The tariff classification of rice hull (husk) ash from India
1. This chapter does not cover:
(a) slag or similar industrial waste prepared as macadam (heading 2517);
(b) natural magnesium carbonate (magnesite), whether or not calcined (heading 2519);
(c) sludges from the storage tanks of petroleum oils, consisting mainly of such oils (heading 2710);
(d) basic slag of Chapter 31;
(e) slag wool, rock wool or similar mineral wools (heading 6806);
(f) waste or scrap of precious metal or of metal clad with precious metal; other waste or scrap containing precious metal or precious-metal compounds, of a kind used principally for the recovery of precious metal (heading 7112 or 8549); or
(g) copper, nickel or cobalt mattes produced by any process of smelting (Section XV).
2. For the purposes of headings 2601 to 2617, the term ‘ores’ means minerals of mineralogical species actually used in the metallurgical industry for the extraction of mercury, of the metals of heading 2844 or of the metals of Section XIV or XV, even if they are intended for non-metallurgical purposes. Headings 2601 to 2617 do not, however, include minerals which have been submitted to processes not normal to the metallurgical industry.
3. Heading 2620 applies only to:
(a) slag, ash and residues of a kind used in industry either for the extraction of metals or as a basis for the manufacture of chemical compounds of metals, excluding ash and residues from the incineration of municipal waste (heading 2621); and
(b) slag, ash and residues containing arsenic, whether or not containing metals, of a kind used either for the extraction of arsenic or metals or for the manufacture of their chemical compounds.
The European Commission's explanatory notes on how to classify goods in these CN codes. They are not legally binding but customs authorities follow them; they complement the HS Explanatory Notes of the World Customs Organization.
This subheading does not include cenospheres, hollow spheres mainly consisting of aluminosilicate, which are a specific lightweight component isolated from fly ash obtained (generally) by the burning of coal in thermal power plants (heading 6806).
Explanatory Notes to the Combined Nomenclature of the European Union, Official Journal C (consolidated text and later amendments) · © European Union
The Combined Nomenclature of each year, as published in the Official Journal: description, third-country duty and supplementary unit.
| Year | Description | Third-country duty | Supplementary unit |
|---|---|---|---|
| 2026 | Other | Free | — |
| 2025 | unchanged | Free | — |
| 2024 | unchanged | Free | — |
| 2023 | unchanged | Free | — |
| 2022 | unchanged | Free | — |
| 2021 | unchanged | Free | — |
| 2020 | unchanged | Free | — |
| 2019 | Other | Free | — |
CN code 2621 90 00 is a line of the EU Combined Nomenclature under HS subheading 2621.90 (other slag and ash, including seaweed ash: other).
The third-country duty is free, and quantities are declared in —.
Imports of goods of subheading 2621.90 into the EU came to €62.6m between September 2025 and August 2026 (down 10% on the year before); Türkiye supplied 48%, followed by Canada.
For the same subheading, the UK duty is free, the Türkiye duty is free, the US duty is free, the Canada duty is free, the Mexico duty is free, the Brazil duty is 3.6%, the Argentina duty is 3.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is free, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 5%.
EU member states imported goods of subheading 2621.90 worth US$121m in 2024; the largest supplier from outside the EU was Türkiye, and the United Kingdom ranked 4th with US$5m.
The third-country duty in the EU Combined Nomenclature is free; the supplementary unit is —. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
For subheading 2621.90 as a whole, the largest supplier from outside the EU in 2024 was Türkiye (US$25m), followed by the United States.