Annehmbar: KoSIT-Regelwerk-Aktualisierungenurn:xrechnung-door:log2026-09-02T14:16:20Zurn:xrechnung-door:v2026-08-31KoSIT v2026-08-31 aktiv2026-09-02T14:16:20ZCEN Schematron 1.3.16; CII-SR-465 and CII-SR-466 raised to error (only one seller / buyer contact point); CII-SR-475/476 set to information. 86/86 official instances accepted