You will usually need an Economic Operators Registration and Identification (EORI) number starting with XI to move goods into Northern Ireland from Great Britain or to make a declaration in Northern Ireland. You must have applied for an EORI number starting with GB before you can get one starting with XI. You do not need an XI number if you already have an EORI number from an EU country.
Milestone 2 of 9
Trading with Northern Ireland
Get your EORI numbers
You usually need an EORI number starting XI to move goods into Northern Ireland, and you must apply for a GB one first.