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Feature-Box
Mass data interface ELMA5
The BZSt offers an interface for sending mass data. This allows you to transmit files with mass data prepared locally on your computer to the BZSt conveniently and without effort.
Detailed information:
Information page on the ELMA5 interface.
Frequently asked questions
How can I sign in?
You can log in to the BOP with an Elster certificate, the federal user account (Nutzerkonto Bund) or the BZSt certificate.
Where can I upload my mass data in BOP?
Mass data cannot currently be transmitted via the new BOP. You can upload mass data here:
https://www.elster.de/bportal/formulare-leistungen/versandmassendaten
Why are there two BOPs?
We are currently in a transition process. All services will soon be available on the new BZSt online.portal. Until then, you will find an overview of all services and the corresponding forms here