Render an e-Invoice

To submit an e-invoice to invoice recipients from e-Rechnung.gv.at here, registration and login to the Unternehmensservice Portal (USP) is required.
You can reach the USP Service Centre throughout Austria at local rates under 050 233 733 from Monday to Thursday, from 8 a.m. to 4 p.m., Friday from 8 a.m. to 2:30 p.m., provided that there is no public holiday.
Requirements for the delivery of electronic invoices
In case you need help: e-Invoicing support