Fixture ID: partialContact · XPath: /ubl:Invoice/cac:AccountingSupplierParty/cac:Party/cac:Contact/cbc:Telephone
XRechnung requires the element "Seller contact telephone number" (BT-42). The seller contact group is present but incomplete — BR-DE-5, BR-DE-6 and BR-DE-7 each make one part of it mandatory, so supplying two of the three still fails.
BR-DE-6Set seller.contact.phone to a reachable number in international format.
"contact": { "phone": "+49 30 1234567" }