New XRechnung version 2.3.1 available 

New XRechnung version 2.3.1 available 

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...