PEPPOL-COMMON-R045:Tax Code (Codice Fiscale) must be stated in the correct format
Italian Tax Code (Codice Fiscale) must follow the correct format. For individuals, this is a 16-character alphanumeric code; for companies, it may be an 11-digit VAT number.
Engine Classification
Normalize Italian Codice Fiscale format
Confidence: 85% · Applied automatically in pipeline
What is PEPPOL-COMMON-R045?
PEPPOL-COMMON-R045 is a fatal validation rule defined in the Peppol BIS 3.0 specification. It validates the CompanyID element in the UBL invoice XML.
When this rule fires, the invoice is non-compliant and will be rejected by Peppol access points and national validation services. The sending system receives a rejection response and the invoice does not reach the buyer.
Target path: //cbc:CompanyID[@schemeID='0210']
Why This Error Matters
Invoice will be rejected by Italian validation. Valid Codice Fiscale is required for tax reporting and identification.
PEPPOL-COMMON-R045 is a hard failure. Invoices that trigger this rule are rejected at the access point and never reach the recipient. In Peppol networks, this means your sending system receives an MLR (Message Level Response) with a rejection status. The invoice must be corrected and re-sent, adding delay to your payment cycle.
Invoice Navigator can automatically correct this error in your pipeline. The fix is applied with full audit evidence, so your compliance trail remains intact.
Validator Behavior
- ·Causes invoice rejection
- ·Rejected by PEPPOL Access Points
- ·Error returned: PEPPOL-COMMON-R045
- ·Specification: Peppol BIS 3.0
Before / After
<Invoice> <!-- Issue: Italian Codice Fiscale must be 16 alphanumeric characters (p --> </Invoice>
<Invoice> <!-- Issue resolved per Peppol BIS 3.0 --> </Invoice>
Technical Reference
//cbc:CompanyID[@schemeID='0210']Common Causes
- ·Tax code has wrong length
- ·Invalid characters in tax code
- ·Check character is incorrect
- ·Format mixing personal and company styles
- ·Typo in codice fiscale
Seeing this in production? The API handles PEPPOL-COMMON-R045 automatically. See the fix response →
See Also
Last updated: 27 February 2026
Handle PEPPOL-COMMON-R045 Automatically in Your Pipeline
The compliance engine auto-remediates this error with controlled safety policies and evidence pack generation.