: You create an upload file in VAT and upload it in the ELMA5 portal of the Federal Central Tax Office. This procedure is intended for mass data.ELMA5 procedure : VAT transmits the declaration directly to the Federal Central Tax Office via the webservice.ELSTER procedure

The declaration is finalized in the workspace.Declaration For sending via the ELSTER procedure, connection parameters of the corresponding type are configured. You reach the connection parameters via the gear icon in the top right corner.
: Your own connection server is configured incorrectly, or the server of the tax administration cannot be reached. Execute the transmission again at a later time. If this does not lead to the desired result, obtain technical support.Connection problems : The generated declaration file is incomplete or not plausible. Process the error message from a professional perspective.Faulty declaration file
: Complete the review before you send the declaration. VAT only releases the transmission after the review is completed.Review before transfer : Confirm the review after the declaration has received theReview after sending status.Sent
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Last updated on Oct 5, 2026