Sources
Sources and reference dates
The links below point to public sources used to write and review the content on this site. Access dates reflect when the pages were last consulted.
Primary sources
- World Customs Organization (Harmonized System): accessed 2026-01-19
- European Commission (TARIC / customs and tariffs): accessed 2026-01-19
Supporting sources
- EU Combined Nomenclature overview (European Commission): accessed 2026-01-19
- EU customs guidance pages (European Commission): accessed 2026-01-19