Combined Nomenclature
CNThe abbreviation CN is used for Combined Nomenclature in customs, trade or transport contexts.
Last reviewed: 30 September 2026
Simple definition
The abbreviation CN is used for Combined Nomenclature in customs, trade or transport contexts.
Detailed explanation
The abbreviation CN is used for Combined Nomenclature in customs, trade or transport contexts. Its legal meaning, availability and evidence requirements depend on the governing customs legislation, procedure and competent authority.
Example
An importer, exporter or representative checks how “CN” applies before submitting information or moving the goods.
Where used
Global · Customs Abbreviations · all transport modes.
Important conditions
Requirements differ by jurisdiction, goods, procedure and date. Confirm the current official guidance before acting.
Common question
Does CN apply in every country?
Not necessarily. Customs terminology, procedures and legal effects can differ by customs territory and applicable agreement.
Official source
Use the linked authority and applicable national guidance for current requirements.