Contact by phone: You can reach the USP Service Center throughout Austria at local rates on 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., unless it is a public holiday.
Frequently Asked Questions
Here you will find information on common legal and technical questions.
Here you will find documents that can help you to transmit e-invoices.
Note: We ask for your understanding that we cannot provide any information regarding the solution of local technical problems (e.g. on your PC or with your Internet connection).