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Rules / UBL-CR-609 · Markdown

Peppol BIS Billing 3.0 · rule

UBL-CR-609

Layer en16931·Checked against Peppol BIS Billing 3.0 2026.5

What does UBL-CR-609 mean? A UBL invoice should not include the InvoiceLine Item AdditionalItemProperty NameCode

Why did my invoice fail UBL-CR-609?

The official rule states: "A UBL invoice should not include the InvoiceLine Item AdditionalItemProperty NameCode". The NameCode element under InvoiceLine/Item (Item/AdditionalItemProperty) exists in the generic UBL 2.1 schema but is not mapped to any EN 16931 business term, so a core-compliant invoice must leave it out. Receivers validating against EN 16931 will flag it because data in unmapped elements cannot be reliably processed. EN 16931 models item attributes (BG-32) as simple name/value pairs: only cbc:Name (BT-160) and cbc:Value (BT-161) are used inside cac:AdditionalItemProperty.

Official rule text

A UBL invoice should not include the InvoiceLine Item AdditionalItemProperty NameCode

Common causes

Related rules

UBL-CR-001 · UBL-CR-002 · UBL-CR-003 · UBL-CR-004 · UBL-CR-005 · UBL-CR-006 · UBL-CR-007 · UBL-CR-008

Check your invoice against this rule

Paste it into the live demo, or call POST /v1/validate. See the quickstart.