errorbusinessPeppol BIS 3.0

`PEPPOL-COMMON-R044`:Italian office code (IPA) has wrong format

Fix: Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-COMMON-R044). Upload your invoice to fix this automatically.

The Italian IPA code (Codice Univoco Unità Organizzativa) on your invoice is not in the correct format. It must be exactly 6 uppercase letters and/or digits.

Severity

Fatal

Rule set

Peppol BIS 3.0

Country

All EU

Fix type

AUTO-FIX

Confidence

95%

Engine Classification

Normalize Italian IPA code to uppercase and remove non-alphanumeric characters

Confidence: 95% · Applied automatically in pipeline

What is PEPPOL-COMMON-R044?

PEPPOL-COMMON-R044 is a fatal validation rule defined in the Peppol BIS 3.0 specification. It validates the EndpointID element in the UBL invoice XML.

When this rule fires, the invoice is rejected by Peppol access points and never reaches the buyer.

Target path: //cbc:EndpointID[@schemeID='0201']

Fix this error

Why This Error Matters

Invoice will be rejected by Italian SDI system. Valid IPA code is mandatory for invoices to Italian public administration.

PEPPOL-COMMON-R044 is a hard failure — the invoice must be corrected and re-sent before it can reach the recipient.

Italian Peppol access points reject invoices with incorrectly formatted IPA codes. The code is used to route invoices to the correct Italian public administration office.

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-R044
·Specification: Peppol BIS 3.0

How to Fix It

Before / After

Failing XML

<Invoice>
  <!-- Issue: Italian IPA code (Codice Univoco) must be exactly 6 alphanum -->
</Invoice>

Corrected XML

<Invoice>
  <!-- Issue resolved per Peppol BIS 3.0 -->
</Invoice>

Technical Reference

XPath//cbc:EndpointID[@schemeID='0201']

SpecPeppol BIS 3.0

Operationnormalize

StrategyNormalize Italian IPA code to uppercase and remove non-alphanumeric characters

Common Causes

·IPA code has wrong length
·Invalid characters in IPA code
·Code not registered in IPA index
·Typo in IPA code entry
·Old or deactivated IPA code used

Seeing this in production? The API handles PEPPOL-COMMON-R044 automatically. See the fix response →

Frequently Asked Questions

The Italian IPA code (Codice Univoco Unità Organizzativa) on your invoice is not in the correct format. It must be exactly 6 uppercase letters and/or digits.

Invoice Navigator automatically fixes this Invoice compliance issue by updating the relevant XML elements (PEPPOL-COMMON-R044). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.

Yes, PEPPOL-COMMON-R044 is a critical error that will cause invoice rejection. It must be fixed before submission.

Many instances of PEPPOL-COMMON-R044 can be automatically corrected using Invoice Navigator's compliance engine. The fix is applied in your pipeline with full audit evidence.

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PEPPOL-COMMON-R044:Italian office code (IPA) has wrong format