New rules from 1 January 2021.
GOV.UK has published new guidance from the Department for International Trade.
The guidance sets out what a business will need to do 1 January 2021. It will be updated if anything changes.
It covers:
Exporting to and importing from the EU
Exporting to and importing from non-EU countries
All business with goods crossing the new border will need to understand and prepare for the changes.