DE-R-006
The element "Seller contact telephone number" (BT-42) shall be provided.
What does this rule mean?
The seller contact telephone number (BT-42) is missing.
XRechnung requires a telephone number in the seller contact.
- BT-42
- Seller contact telephone number
Official rule message (standard)
The element "Seller contact telephone number" (BT-42) shall be provided.
Where the rule applies
Syntax: UBL
Affected element (XPath):
(/ubl-invoice:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact | /ubl-creditnote:CreditNote/cac:AccountingSupplierParty/cac:Party/cac:Contact)[$supplierCountryIsDE and $customerCountryIsDE]
Technical test
The rule passes when this Schematron expression holds true:
cbc:Telephone[boolean(normalize-space(.))]How to fix it
A missing or incorrect business entry only you can supply. Add or correct it, then re-check.
Add the seller telephone number.
Correct the affected entry in your XML, then re-check the invoice. Validation runs locally in your browser — your file never leaves your machine.
Check an e-invoice here
Drop an XML or ZUGFeRD PDF file here. Validation runs locally in your browser against EN 16931 — your file never leaves your machine.