How do I fix IT-R-004?

This requires user input to resolve. Review the relevant cbc: and cac: elements in your Invoice XML and provide the correct value. (IT-R-004). Invoice Navigator detects this error and prompts for the required business data before applying a safe fix.

Is IT-R-004 a critical error?

IT-R-004 is a warning that may not always cause rejection, but should be addressed for full compliance.

Error codes · CIUS-IT · Italy

IT-R-004Fixable here

Ritenuta d'acconto may be required

This is the rejection, word for word: „[IT-R-004] Italian professional services may require withholding tax (ritenuta).“

XPath: //cac:TaxTotal for ritenuta

What to have readyWithholding Tax Rate (%) · Withholding Tax Type

What we doThis requires user input to resolve. Review the relevant cbc: and cac: elements in your Invoice XML and provide the correct value. (IT-R-004).

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.

If you enter it yourself in your invoicing software

Before

<Invoice>
  <!-- Issue: Italian professional services may require withholding tax (r -->
</Invoice>

After

<Invoice>
  <!-- Issue resolved per CIUS-IT (Italy) -->
</Invoice>

What the finding looks likeExample

FindingValue missing · IT-R-004

From youWithholding Tax Rate (%), Withholding Tax Type

ThenPassed

ProofSHA-256 and /verify link after the check

Often appears together with

IT-R-003Natura code required for zero VAT