Use form C220 if registered in the UK for VAT to apply for an economic operator registeration.
The Economic Operator Registration and Identification scheme guide will give you information on how to apply for an Economic Operator Registration and Identification number.
Use form C220 to apply for an economic operator registeration.
Related forms and guidance
C220A - Application for Economic Operator Registration
Use form C220A if you are from the UK and not registered for VAT or you are not established in the customs territory of the European Community.