e-Rechnung.gv.at checks (UBL)

15 rules, version Fehlerliste, October 2026, published by xmlvalid, after the checks e-Rechnung.gv.at lists for invoices to the Austrian federal government (MIT, source). Checked with Austria e-Rechnung.gv.at Peppol Invoice, Austria e-Rechnung.gv.at Peppol Credit Note .