You now need photo ID to travel on all Condor Ferries.
Passports, driving licences and national identity cards are acceptable for passengers travelling between Guernsey, Jersey, Poole and Portsmouth.
Children under the age of 16 don't need photo ID, as long as the accompanying adult can vouch for their identification.
Condor introduced the policy last month, but is enforcing it from today.
"The change is a desire to fall into line with international standards, as mandatory ID will become a regulatory requirement at the end of 2019"
More details can be found on the ferry operator's website.

A 3D map of the battleship Bismarck is created by a Guernsey-based company
Cyber security law passed
Ban on dogs in Springfield Park lifted
Channel Islands Air Search aircraft returns to service
End-of-life care is changing in Jersey as politicians push forward assisted dying
States agrees to tougher powers over Jersey's gas company
Driver 'critical' after crash in St Ouen
Government reverses decision to cut JET's funding