Mass data interface of the Federal Central Tax Office (BZSt)
With the mass data interface "ELMA5", a large amount of data can be transferred between any hotlines and the ITZBund and as a service provider for the Federal Central Tax Office (BZSt). However, before data can be transferred, the following steps must be taken:
- Registration if needed at the BZStOnline-Portal (BOP)
- Request for activation for participation in the ELMA5 procedure for the respective specialized procedures
- only data centre operation: Generation of the ELMA5 certificate.
You will receive further information about your specialist procedure.