IT-R4 rules
Codice fiscale, partita IVA and the full registered address.
| IT-R-001 | fatal | BT-32 (Seller tax registration identifier) - For Italian suppliers BT-32 minimum length 11 and maximum length shall be 16. Per i fornitori italiani il BT-32 deve avere un… |
| IT-R-002 | fatal | BT-35 (Seller address line 1) - Italian suppliers MUST provide the postal address line 1 - I fornitori italiani devono indicare l'indirizzo postale. |
| IT-R-003 | fatal | BT-37 (Seller city) - Italian suppliers MUST provide the postal address city - I fornitori italiani devono indicare la città di residenza. |
| IT-R-004 | fatal | ">[IT-R-004] BT-38 (Seller post code) - Italian suppliers MUST provide the postal address post code - I fornitori italiani devono indicare il CAP di residenza. |
Nothing is stored, and the whole invoice is checked, not just this rule. A PDF only works if it is Factur-X / ZUGFeRD — a PDF with the invoice XML inside it.