What is a Customs Declaration (CN23)?

A Customs Declaration (CN23 Form) is a customs document, used during international trade activities when goods are being transported overseas. It contains information about:
– Nature of the goods (including a detailed description and value)
– Country of origin.
Customs tariff number (if known)

When is a Customs Declaration used?

If your goods are being transported outside of the EU and have a value over £270 you must attach a signed and dated CN23. The document informs Customs of the contents of your consignment and helps them to check for banned or restricted items.

Why do I need a Customs Declaration?

You MUST have a Customs Declaration to send goods outside of the EU. If a declaration is not provided OR is completed incorrectly it can lead to delays or even seizure of the goods by Customs.

Where can I get a CN23?

You can get a CMR template from:
– Any Post Office branch.
– Or download A free CN23 template here:

Additionally, you can use an online solution such as www.edgectp.com to help you generate paper and electronic versions, just remember to use the free 30 day trial to see how you get on first.