warningPeppol BIS Billing 3.0profileUBLBT-42
"Seller contact telephone number" (BT-42) should contain a valid telephone number. A valid telephone should consist of 3 digits minimum.
The seller telephone number (BT-42) has fewer than three digits.
Write a real telephone number. Placeholders such as '-' or 'n/a' fail this check.
UBL — context (/ubl-invoice:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact | /ubl-creditnote:CreditNote/cac:AccountingSupplierParty/cac:Party/cac:Contact)[$supplierCountryIsDE and $customerCountryIsDE]
matches(normalize-space(cbc:Telephone), $XR-TELEPHONE-REGEX)