What Is XRechnung and What Is ZUGFeRD? A Quick Overview  XRechnung vs ZUGFeRD starts with understanding what each format actually is. XRechnung is Germany’s national CIUS (Core Invoice Usage Specification) a German-specific extension of the EN 16931 European standard. It is maintained by KoSIT (Koordinierungsstelle für IT-Standards) under the mandate of the IT Planning Council. […]