infoPeppol BIS 3.0

IN-UNIT-CODES:Unit of measure codes validation

Unit codes should be from UN/ECE Recommendation 20

Severity
Info
Rule set
Peppol BIS 3.0
Country
All EU
Fix type
BLOCKED

Engine Classification

Financial or legal field · Modification blocked by policy

Reason: Unit of measure codes must match your product catalog and trading partner agreements. Invalid codes may indicate data mapping issues.

What is IN-UNIT-CODES?

IN-UNIT-CODES is a info validation rule defined in the Peppol BIS 3.0 specification. It validates the Name element under Party > PartyName in the UBL invoice XML.

This rule flags a potential compliance issue that should be reviewed. While it may not block transmission, correcting it improves interoperability and audit readiness.

Target path: XPath: /Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyName/cbc:Name

This error requires manual correction — financial fields are protected by policy.Test This Error ↓

Why This Error Matters

Seller identification required.

While IN-UNIT-CODES does not block transmission, ignoring it degrades your invoice quality score. Receivers and tax authorities increasingly use these signals to flag suppliers for manual review.

Validator Behavior

  • ·Rejected by PEPPOL Access Points
  • ·Error returned: IN-UNIT-CODES
  • ·Specification: Peppol BIS 3.0

How to Fix It

1.

Add PartyName

Under seller Party

2.

Include Name

Legal company name

Before / After

Failing XML
<cbc:InvoicedQuantity>
  <@unitCode>INVALID_CODE</@unitCode>
</cbc:InvoicedQuantity>
Corrected XML
<cbc:InvoicedQuantity>
  <@unitCode>VALID_CODE</@unitCode>
</cbc:InvoicedQuantity>

Technical Reference

XPathXPath: /Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyName/cbc:Name
SpecPeppol BIS 3.0

Common Causes

  • ·Missing PartyName
  • ·Empty name

Seeing this in production? The API handles IN-UNIT-CODES automatically. See the fix response →

Frequently Asked Questions

Seller party must have name specified.

Add seller PartyName element. Invoice Navigator can help identify and fix this issue.

Yes, PEPPOL-EN16931-R009 is a critical error that must be fixed.

See Also

Peppol Validator

Check your invoice now

Related Errors

PEPPOL-EN16931-R010

Buyer electronic address required

Last updated: 27 February 2026

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The compliance engine auto-remediates this error with controlled safety policies and evidence pack generation.

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