§ VAT FORMAT — IT
Italy VAT number format
Prefix IT · 11 digits
§ PATTERN
11 digits
^IT\d{11}$§ EXAMPLES
- IT12345678901
Synthetic examples — do not represent real registered businesses.
§ NOTES
- 01
Codice fiscale and partita IVA are distinct — only the partita IVA validates here.
- 02
Includes a check digit calculable offline.
§ VALIDATION SOURCE
VIES
EU numbers are validated against the European Commission VIES service. Countersure VIES integration is on the immediate roadmap.