New XRechnung version 2.3.1 valid from 1 August 2023
As of August 2023, you should use XRechnung version 2.3.1 to send electronic invoices to all recipients connected to the ZRE and OZG-RE invoice submission portals.
The previous version 2.2.0 expires on 31 July 2023 and should then no longer be used to submit electronic invoices. E-invoices should always be sent to recipients using the currently valid version of the XRechnung standard. The new version can be downloaded from the KoSIT website: Link
Further information about XRechnung can be found here: Link
