errorDEPEPPOL_BIS
DE-R-006:The element "Seller contact telephone number" (BT-42) shall be provided.
Seller contact phone is missing. German invoices must include a telephone number for the seller contact (BT-42).
Why This Error Matters
Invoice will be rejected by German XRechnung validators. Germany has additional mandatory fields beyond EN16931 baseline, including seller contact details, complete addresses, and buyer reference (Leitweg-ID).
Common Causes
- German invoice missing seller telephone
- BT-42 Seller contact telephone not provided
- cbc:Telephone in seller contact empty or absent
- Contact phone number mandatory for XRechnung
- German public sector requires phone contact
Frequently Asked Questions
Seller contact phone is missing. German invoices must include a telephone number for the seller contact (BT-42).
Seller contact phone is missing. German invoices must include a telephone number for the seller contact (BT-42). You can also use Invoice Navigator's automatic Fixer tool to correct this instantly.
Yes, DE-R-006 is a critical error that will cause invoice rejection. It must be fixed before submission to ensure your invoice is accepted.
Many instances of DE-R-006 can be automatically corrected using Invoice Navigator's Fixer tool. Upload your invoice and the tool will identify and fix common issues.
See Also
Last updated: 16 January 2026
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