Use the explanatory notes and complete the form MSF 3233 to apply to MCA for a certificate of evidence that you have civil liability insurance in place for bunker and tanker oil pollution damage.
Alternatively, you can use the electronic email version MSF 3241.
https://www.gov.uk/government/publications/application-for-bunker-and-tanker-certificates-msf-3233
seen at 16:31, 17 April in Publications on GOV.UK.Email this to a friend.