Capture & validate Leitweg-IDs and Bestellnummer per public-sector customer and attach them to outgoing XRechnung
Map invoices to the correct ZUGFeRD 2.x / Factur-X profile with per-profile completeness validation
Validate inbound XRechnung/ZUGFeRD against EN-16931 & KoSIT, surface errors and draft the vendor bill
Immutable, searchable GoBD long-term archive for inbound/outbound e-invoices with structured XML preserved
Track which partners send/accept which e-invoice format, missing routing data and mandate-deadline countdown
Side-by-side human view of inbound XRechnung/ZUGFeRD XML for AP review and booking