BR-DE-27warning

How to fix BR-DE-27

In BT-42 sollen mindestens drei Ziffern enthalten sein.

XRechnung rule from the KoSIT XRechnung 3.0 schematron (German CIUS of EN 16931). It applies only to invoices whose specification identifier (BT-24) is XRechnung. Such files are checked against EN 16931 and the KoSIT XRechnung rules instead of the full Peppol BIS rule set. Check your file with the XRechnung validator.

What this rule checks

The Seller contact telephone number (BT-42) should contain at least three digits. Placeholder values such as "-" or "n/a" trigger this warning.

Referenced business terms

This rule references the following EN 16931 business term. Click through for the full definition, the UBL XPath and the cardinality.

How to fix it

Put a real phone number in cac:AccountingSupplierParty → cac:Party → cac:Contact → cbc:Telephone (e.g. +49 30 1234567). In CII, use ram:TelephoneUniversalCommunication → ram:CompleteNumber.

Related rules

Validate your invoice

Upload your corrected invoice to check it passes BR-DE-27 and all other EN 16931 and XRechnung (BR-DE) rules. Free, instant, no signup.