Guidance

Making an export supplementary declaration

Find out how and when to make a supplementary declaration when taking goods out of the UK using simplified declarations.

You’ll need to make a supplementary declaration after you’ve either made:

When to submit

The goods being declared are released from customs when either:

  • your pre-shipment advice is accepted
  • you make an entry in your records

You must submit your declaration within 14 days from the date your goods were released or departed the UK.

What information you need

Your declaration will need to include your:

  • customs procedure code
  • commodity code
  • declaration unique consignment reference

You also need to give information like the:

  • departure point and destination
  • consignee and consignor
  • type, amount and packaging of your goods
  • transport methods and costs
  • currencies and valuation methods
  • certificates and licences

How to submit

You can submit your export supplementary declaration online.  

Check which boxes you need to complete on your declaration

You must submit one supplementary declaration for each simplified declaration. 

Find out how to complete your declaration if you’re using the Customs Declaration Service.

Published 5 November 2019
Last updated 4 March 2024 + show all updates
  1. More information has been added about how to submit your export supplementary declaration.

  2. This page has been updated because the Brexit transition period has ended.

  3. First published.