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Northern Ireland TIN number guide

VAT Number​

Northern Ireland VAT numbers can have different formats

  1. Format: XI999 9999 99 This format consists of 4 blocks: 1 block of 2 characters ("XI"), 1 block of 3 digits, and 1 block of 4 digits and 1 block of 2 digits
  2. Format: XI999 9999 99 999 This format consists of three blocks: 1 block of 2 characters ("XI"), 1 block of 3 digits, and 1 block of 4 digits and 1 block of 2 digits with an additional block of 3 digits (999). The additional block identifies branch traders
  3. Format: XIGD9996 or XIHA9997 This format begins with two characters ("XI") followed by 1 block of 5 characters. It either indicates Government Departments or Health Authorities

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