In which uniform interface can I provide the auditor with the data in fiskaly in the event of a tax audit?

In principle, this uniform interface is defined in the official DSFinV-K documents. Which standardized verification software is used by the tax authorities to verify the data records is not final as of today. Please contact your local tax office. Information can be found here.

Further information can be found in our manual:

Setting up the cash register backup (TSE) for POS