Procedure to access the Filing application

To access the Filing application, a modern external interface is used, CSAM, the portal for online government services.

Various types of digital keys can be used to log in.

Login through CSAM with an electronic ID card

	You can use your identity card and an eID card reader to log in. This is the standard procedure to access various Belgian government online services and guarantees the highest level of protection. To log in with your eID, you will need the following:
	Your eID card. Always insert your eID in the card reader before going to the online portal.
	A four-digit PIN.
	Appropriate software to use your eID. This can be downloaded for free at Download eID software (belgium.be).
	A card reader: Built-in card reader: Some computers and keyboards have a built-in card reader. Stand-alone card reader: You can easily connect a stand-alone card reader to your PC with a cable.

If you have questions about how to use your eID, please visit the CSAM Help Centre (eID card reader).

Login through CSAM with itsme®

You can use the itsme® application to log in securely with your smartphone.

In order to use this option, you must first register with itsme.

You can find more information about itsme and how to register in this brochure and at itsme®-app | Ontdek itsme®

If you have questions about itsme, please visit the CSAM Help Centre (itsme®).

Login through CSAM with an EU-recognised login method (eIDAS)

Citizens of other European Union countries can use eIDAS to log into Belgian government online services with their national means of identification and authentication.

A list of countries for which a national identifier can be used to log in can be consulted by choosing “Log in with an EU-recognised login method” when logging in to an online service.

More information can be found on this web page.

For questions about eIDAS, please visit the CSAM Help Centre (eIDAS).

For help logging in to the government's online services, please visit the CSAM Help Centre.

If you cannot find the answer to your question in the Help Centre, you can contact the online public service you wish to access. For details, go to Contact us | Help Center (belgium.be).

More information on CSAM can be found at https://csam.be/en/index.html.

Login using the IDaaS solution

For foreign nationals and third-party filers who cannot use an eID, itsme or eIDAS to log in, access by means of a personal digital certificate has been provided through an IDaaS (identity as a service) solution since 23/01/2024.

Audit firms can also log in using this new solution.

Only the following digital certificates may be used:

GlobalSign- PersonalSign 3 Pro
Quo Vadis - EU qualified certificates and BE qualified certificates
Isabel - Isabel 6

A list of supported certificate authorities (CA) can be found here.

When prompted, select the certificate you wish to use.

Enter your PIN.

More information on the IDaaS solution can be found here.