A Safety & Security declaration (GB ENS) is now a legal requirement for units arriving into GB from the EU.
Organise your Stena Line North Sea route S&S GB ENS here
Organise all other route S&S GB ENS with CustomsLink

Preventing and resolving DEFRA Holds due to System Mismatches

The following applies to Sanitary and Phytosanitary Controlled (SPS) goods being shipped to the UK.