Definitive Anti-Dumping Duty on Chinese Phosphorous Acid: EU Regulation 2026/586

Key Information

On March 17, 2026, the European Commission adopted Implementing Regulation (EU) 2026/586. This legislation establishes a definitive anti-dumping duty and confirms the collection of the provisional duty on imports of phosphorous acid originating in the People’s Republic of China.

Key Points

• March 17, 2026: Entry into force of EU Regulation 2026/586
• Official regulation: Implementing Regulation (EU) 2026/586 published in the OJ of the EU
• Immediate application of the anti-dumping duty on Chinese phosphorous acid for all customs declarants, freight forwarders, and relevant importers

Context and Stake

For several years, the European Commission has been monitoring imports of phosphorous acid (Combined Nomenclature heading 2809 20 00) from China. An anti-dumping investigation revealed significant dumping, resulting in unfair competition within the EU market and threatening the European supply chain. Implementing Regulation (EU) 2026/586, published in the Official Journal of the European Union, forms part of the EU’s trade defense measures provided for by the Union Customs Code (UCC, Regulations EU 952/2013 and subsequent amendments) and WTO rules. This regulation extends and makes definitive the provisional measures previously adopted, in line with earlier regulatory developments.

Impact on the Industry

From March 17, 2026, customs declarants must apply the definitive anti-dumping duty to all relevant customs declarations. Chinese importers of phosphorous acid will face immediate increases in import charges. Compliance officers must ensure that each import observes the new anti-dumping duty rate and archive related customs documentation. Freight forwarders are required to promptly inform principals about the tariff impact and provide guidance on the correct tariff classification. Any error in classification or duty application increases financial and penalty risks. The industry thus strengthens its proactive regulatory risk management on this product.

Next Steps

• Entry into force: March 17, 2026, immediate
• Declarants: classify phosphorous acid under the correct CN heading (2809 20 00) and apply the new anti-dumping duty
• Importers: adjust cost calculations at the purchase order stage, update contracts, and identify stock subject to the definitive duty
• Compliance officers: review customs compliance and update internal procedures

17 mars 2026 : entrée en vigueur du droit antidumping définitif sur l’acide phosphoreux chinois. (March 17, 2026: Entry into force of the definitive anti-dumping duty on Chinese phosphorous acid.)

Source: EUR-Lex Implementing Regulation (EU) 2026/586