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IT-R-004:Ritenuta d'acconto may be required

Italian professional services may require withholding tax (ritenuta).

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NEEDS INPUT

Requires user input: Seller postal code (BT-38). User must provide 5-digit Italian CAP.

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Why This Error Matters

Invoice will be rejected by Italian validation. Italian CAP is required.

How to Fix It

1

Check if applicable

Professional services to Italian companies

2

Add ritenuta

Typically 20% of taxable amount

Technical Details

XPath: //cac:TaxTotal for ritenuta

Common Causes

  • Postal code missing
  • CAP field not populated
  • Wrong postal code format
  • Postal code not mapped in export
  • Company master data missing CAP

Frequently Asked Questions

Italian professional services may require withholding tax (ritenuta).
Add withholding tax breakdown if applicable. You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
IT-R-004 is a warning that may not always cause rejection, but should be addressed for full compliance.

See Also

🇮🇹

E-Invoicing in Italy

Requirements & common errors

Related Errors

IT-R-003

Natura code required for zero VAT

Last updated: 18 January 2026

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