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Warning

UBL-CR-393: Leave out the language of the delivery party

In short

Warning: worth checking.

UBL-CR-393 means the delivery party has a language element (cac:Language), which EN 16931 does not use. Remove cac:Language from cac:Delivery/cac:DeliveryParty.

On this page

What it means

This rule looks at the delivery party (cac:DeliveryParty), the party the goods or services go to, in the delivery information of a UBL invoice or credit note. It checks that the party has no cac:Language. UBL allows a language there, but EN 16931 has no business term for it.

Why it matters

EN 16931 does not use a language element in the delivery party information. This rule does not check the language of the invoice text.

How to fix it

Configure your invoice export to omit cac:Language from the delivery party. You do not need to delete a language preference from your customer record or change the invoice text to address this rule. If you build the XML yourself, delete cac:Language from cac:Delivery/cac:DeliveryParty. Recheck the exported file.

Once the file is corrected, check it again for free: Validate an invoice against EN 16931

Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice

The rule as published

A UBL invoice should not include the DeliveryParty Language

Where this rule applies

Rule set Version
EN 16931 (UBL) 1.3.17
EN 16931 (UBL credit note) 1.3.17
XRechnung 3.0 (UBL) 3.0.2
XRechnung 3.0 (UBL credit note) 3.0.2
Peppol BIS Billing 3.0 (invoice) 2026.5
Peppol BIS Billing 3.0 (credit note) 2026.5
SI-UBL 2.0 / NLCIUS (invoice) 2.0.3.13
SI-UBL 2.0 / NLCIUS (credit note) 2.0.3.13
France CTC (UBL invoice) 1.4.0-04
France CTC (UBL credit note) 1.4.0-04
CIUS-RO UBL Invoice 1.0.9 1.0.9
CIUS-RO UBL Credit Note 1.0.9 1.0.9
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether UBL-CR-393 still fails, and which other rules do.

Updated 6 November 2026