SDI-00200
Error Guide
🇮🇹 SDI-00200: Duplicate invoice number in Italy
ErrorMandatoryManual Fix
Invoice number + year combination must be unique per sender. SDI maintains a registry and rejects duplicates within the same fiscal year.
Quick Facts
Severity
Error (rejection)
Ruleset
FatturaPA
Mandate
B2B Mandatory
Fix Type
Manual
Why This Matters in Italy
Italy requires e-invoicing using FatturaPA (XML). Invoices with this error will be rejected. They cannot be processed for Italy compliance.
Invoice Navigator covers 98 FatturaPA 1.2.2 rules for Italy. Auto-remediates 82% of top rejection errors.
How to Fix SDI-00200
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
Common Causes
- •Invoice number already used this year
- •Database restored with old numbering
- •Multiple systems using same number series
Fix SDI-00200 automatically
Upload your invoice and let Invoice Navigator auto-remediate this error.