Peppol BIS Billing 3.0 · rule
UBL-CR-209
What does UBL-CR-209 mean? A UBL invoice should not include the AccountingCustomerParty Party Language
Why did my invoice fail UBL-CR-209?
This EN 16931 rule warns when the UBL element cac:AccountingCustomerParty/cac:Party/cac:Language is present: the invoice should not include a language block for the buyer party. Party language preferences are not part of the EN 16931 model; the invoice itself has no per-party language mechanism, so this element has no mapped business term. The element is not forbidden by UBL itself, but it lies outside the EN 16931 core invoice model, so remove it to keep the invoice fully conformant and interoperable.
Official rule text
A UBL invoice should not include the AccountingCustomerParty Party Language
Common causes
- The customer's preferred correspondence language exported from the CRM
- Full UBL 2.1 export enabling optional structures
- Mapping from a portal format that tracked display language
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
Paste it into the live demo, or call POST /v1/validate. See the quickstart.