How do I fix SDI-00305?

Verify the Codice Fiscale format and checksum are correct. Invoice Navigator detects this error and prompts for the required business data before applying a safe fix.

Is SDI-00305 a critical error?

Yes, SDI-00305 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted by the recipient's system.

Can SDI-00305 be automatically fixed?

SDI-00305 requires specific business data to resolve. Invoice Navigator detects the error and guides you through providing the needed information, then applies the fix with full audit documentation.

Error codes · FatturaPA · Italy

SDI-00305Fixable here

Codice Fiscale validation failed

This is the rejection, word for word: „[SDI-00305] Codice Fiscale must pass checksum validation. It should be 16 characters for individuals (alphanumeric) or 11 digits for businesses (same as Partita IVA).“

What to have readyEntity Type · Codice Fiscale

What we doVerify the Codice Fiscale format and checksum are correct.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

What the finding looks likeExample

FindingValue missing · SDI-00305

From youEntity Type, Codice Fiscale

ThenPassed

ProofSHA-256 and /verify link after the check