New Filing access procedure

To access the new application FILING CBSO a more modern external interface is used, namely CSAM, the gateway to the government's online services

Login will be possible with various digital keys:

Log in with your electronic identity card

Use your identity card and an eID card reader to log in. This is the standard login procedure to access the various Belgian government online services. This also guarantees the highest level of protection.

To log in with your eID, you will need the following:


Your eID-card. Always insert your eID into the card reader before going to the online desk.


Your PIN code. This is a 4-digit code.


The right software to use your eID. You can download it for free:

Download eID software (

eid reader A card reader:
  • Built-in card reader: some computers and keyboards have a built-in card reader.
  • Separate card reader: a separate card reader can be easily connected to your PC via a cable.

If you have any questions about eID, please check the eID help page of CSAM.

Log in with eID card reader - YouTube

Log in via itsme, your digital ID

Use your digital ID to log in securely with your smartphone.

To use this login option, you must already be registered at itsme.

The brochure explains how to do this You can also find out about itsme via  itsme®-app | Discover itsme.

If you have any questions about itsme please visit the itsme help page at CSAM.

Log in with an EU-recognised login tool via eIDAS

Citizens of another European Union country can use eIDAS to log into Belgian government online services through their own (notified) national identifiers and means of  authentication.

You can see the list of countries where a national electronic identifier can already be used by choosing 'Log in with an EU-recognised login method' when logging into an online service.

More information can be found on the following webpage: Log in with eIDAS

If you have any questions about eIDAS, please refer to the eIDAS help page of CSAM.

Log in without eID, itsme or eIDAS

For foreigners who cannot use the eID, itsme or eIDAS, a temporary access via commercial certificates will be provided until 24/12/2023. For a definitive solution, we are waiting for the development of a procedure for the installation of an online registration office for authentication (virtual counter) and the subsequent distribution of digital keys.


Log in via CSAM with your commercial certificate.

Only the following named commercial certificates are allowed:

The supported Certificate Authorities (CA) can be found here.

When prompted, select the commercial certificate you wish to use.

Enter your PIN code.

If you have any questions about commercial certificates, please visit the CSAM commercial certificate help page.

Help with logging in with the various digital access options with the government's online services can be found on the CSAM Help Centre webpage.

If the answer is not in the "Help Pages", you can contact the service desk of the online service of the government to which you wish to access via Contact us | Help Center (

More general information on CSAM can be found on its official website: