E-Invoice ValidatorXRechnung
The German CIUS for e-invoices, especially towards authorities.
XRechnung is the German standard for e-invoices. It is a CIUS of EN 16931 and can be delivered in both UBL 2.1 and CII.
The additional rules are called BR-DE-*: Routing ID as buyer reference, seller contact, payment methods and other German requirements.
Maintenance and publication are the responsibility of KoSIT. XRechnung is the required standard for invoices to federal authorities.
Rules that often fail here
See also
Status: 12.10.2026