DE-R-027
PEPPOL BIS Billing 3.0 layer: peppol
Checked against Peppol BIS Billing 3.0 2026.5
If both supplier and customer are located in Germany, "Seller contact telephone number" (BT-42) should contain a valid telephone number. A valid telephone should consist of 3 digits minimum.
Official rule text
If both supplier and customer are located in Germany, "Seller contact telephone number" (BT-42) should contain a valid telephone number. A valid telephone should consist of 3 digits minimum.
Related rules
DE-R-001 · DE-R-002 · DE-R-003 · DE-R-004 · DE-R-005 · DE-R-006 · DE-R-007 · DE-R-008
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