FatturaPA / Sistema di Interscambio
Italy’s XML invoice format and exchange workflow through Sistema di Interscambio (SdI).
Current version and implementation status
How to recognize the profile
Do not rely on the file extension alone. Inspect the root namespace, customization/profile identifiers, version values and authority-specific envelope.
- FatturaElettronica
- FPR12
- FPA12
- CodiceDestinatario
Production validation stack
- 1FatturaPA XSD
Confirm that the document is well formed and structurally compatible with the intended FatturaPA syntax.
- 2SdI technical rules
Apply semantic and business-rule checks rather than accepting a file merely because it parses.
- 3Identifier and recipient routing
Validate currencies, countries, tax categories, units, payment means and other controlled values against the correct release.
- 4Authority response codes
Apply the national, network or authority restrictions that narrow the base syntax.
Common errors and corrective action
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Locate the relevant field and rule, correct the source mapping, rerun every validation layer, then preserve the final response.
Countries using or referencing this profile
Questions people ask
What is FatturaPA?
Italy’s XML invoice format and exchange workflow through Sistema di Interscambio (SdI).
How is FatturaPA validated?
A production check normally applies FatturaPA XSD, SdI technical rules, Identifier and recipient routing, Authority response codes. Local browser preflight cannot replace the official validation artefacts or authority outcome.
Which version should I use?
The current research note is: Technical specifications 1.9.1 usable from 15 May 2026. Confirm release notes at the official source before production deployment.
Inspect and prepare FatturaPA files
Technical invoice preflight
Check parseability, core fields, identifiers and arithmetic before submission.
Tax identifier checker
Check the structure of VAT, GST and national business identifiers.
Invoice error explainer
Explain recognized EN 16931, Peppol and national rule messages.
Authority and network response decoder
Extract status, identifiers, error codes and messages from common JSON or XML invoice responses.