Prerequisites

To use the service, register a business customer account with ELSTER or a signature certificate in accordance with an EORI number and then log in.

You can find a list of possible certificates in the eIDAS Dashboard for the European Commission.

Certificate management

After successfully registering with the “Certificate Management for B2A” service, you can upload your certificate.

You will need these signature and encryption certificates for the communication of your participant software with the ATLAS procedures, including IMPOST and WKS, dAKZ, as well as with the central EU applications (e.g. ICS2)

You must select the correct intended use when uploading the certificates so that you are able to use your certificate for the appropriate applications. To select the following uses, you will also need an EORI number.

Currently, the following uses are available for the corresponding applications:

• EU Trader Portal: for system-to-system communication with the EU via ICS2
• EU Conformance Test: for the mandatory conformance test of system-to-system communication with the EU via ICS2
• ATLAS Digital Signature: for ATLAS
• ATLAS SSL/TLS Communication: for communication via ATLAS web services
• dAKZ Digital Signature: for dAKZ
• dAKZ SSL/TLS Signature: for communication via dAKZ web services.

Please note:

• for Signature Certifiactes there must be set the KeyUsage digitalSignature und nonRepudiation. (Type B of the European Standard ETSI 319 412-2)
• for SSL/TLS-Certificates there must be set the KeyUsage digitalSignature, as well as the extendedKeyUsage clientAuthentication or serverAuthentication