The Combined Nomenclature 2025 (CN 2025) is the goods classification used within the European Union for the purposes of foreign trade statistics. It is also used by Directorate General "Taxation and Customs Union" of the European Commission for customs duty purposes. The classification is based on the world standard Harmonized System which it sub-divides where necessary for purposes of external trade, agricultural regulation, and customs duties. Legal basis: Commission Implementing Regulation (EU) 2024/2522 of 23 September 2024 amending Annex I to Council Regulation (EEC) No 2658/87 on the tariff and statistical nomenclature and on the Common Customs Tariff OJ L, 2024/2522, 31.10.2024. Explanatory notes to the Combined Nomenclature of the European Union, OJ C 119, 29.3.2019, p. 1 -422. Eurostat website: International trade in goods methodology: methodology The Combined Nomenclature, 2025, is maintained by Eurostat and disseminated by the Publications Office of the European Union on the EU Vocabularies website.