IT-01
Error Guide
🇮🇹 IT-01: Italian sellers should include Codice Fiscale or Partita IVA in Italy
WarningMandatoryManual Fix
Italian sellers should include Codice Fiscale or Partita IVA. This validation rule ensures Invoice compliance with CIUS-IT (Italy).
Quick Facts
Severity
Warning
Ruleset
CIUS-IT (Italy)
Mandate
B2B Mandatory
Fix Type
Manual
Why This Matters in Italy
Italy requires e-invoicing using FatturaPA (XML). This warning may cause processing delays in Italy. While not immediately rejected, it should be fixed for compliance.
Invoice Navigator covers 98 FatturaPA 1.2.2 rules for Italy. Auto-remediates 82% of top rejection errors.
How to Fix IT-01
Review your Invoice XML structure and correct the issue described by this rule. Check relevant cbc: and cac: elements per CIUS-IT (Italy).
Example: Before & After
Before (invalid)
<Invoice> <!-- Issue: Italian sellers should include Codice Fiscale or Partita IVA --> </Invoice>
After (fixed)
<Invoice> <!-- Issue resolved per CIUS-IT (Italy) --> </Invoice>
Italy E-Invoicing Requirements
Phase
Status
Scope
B2G
Live (Jun 2014)
All public administration suppliers
B2B
Live (Jan 2019)
All domestic transactions
B2C
Live (Jan 2019)
All domestic transactions
Flat-rate taxpayers
Live (Jul 2022)
Extended to forfettari regime
Fix IT-01 automatically
Upload your invoice and let Invoice Navigator auto-remediate this error.