Submit your Tax Return with eID

Digital and secure public services in the EU

The submission of tax returns is a fundamental public service and the EU has seen great progress in terms of its digitalisation. In some countries, such as Belgium, the necessary information is already pre-filled and the process can be completed with a few clicks. 

But given the sensitive nature of the service, and its ties to funds for the state, it is particularly crucial that any chance of fraud or identity theft is minimised. In the large majority of Member States this has been achieved by drawing on national level eID schemes.

What is eID and how does it work?

Countries across the EU have developed national electronic identity schemes to improve citizen’s access to national services. But all these national eID systems had differing security mechanisms and were based on different philosophies, lacking cross-border recognition and validation.

To address this, an EU approach, underpinned by the eIDAS Regulation, has been set up. CEF eID now provides the standards and supports the infrastructure (the eIDAS network) which allows these national eID schemes to be mutually recognisable.

A network of eIDAS nodes has been set up across all EEA Member States, based on these standards. This means that an ever growing number of notified national eID schemes can now be used to identify citizens who wish to access different public services in other EU countries.

An overview of the countries already providing notified eID schemes under eIDAS can be found here

Where can you submit a tax return with an eIDAS eID?

If you have an eID from a notified eID scheme, you can start using it right away to access online public services in EU countries. The list of notified eID schemes is growing rapidly — currently 19, across 15 Member States.  1

Member States which have already connected their Tax Return Submission to the eIDAS network make it possible for citizens from other EU countries to access it, using a notified eIDAS eID.

Here are some examples of where this is already possible:


More than 5 million people use FinanzOnline, Austria's internationally recognized e-government flagship. Citizens can log-in using the Austrian citizen card (national eID scheme) as well as using notified eIDAS eIDs.

Learn more


In Luxembourg, tax payers automatically receive an invitation to download and complete tax return forms, either on or on the website of the Luxembourg Inland Revenue (ACD). Users can sign in with LuxTrust or a notified eIDAS eID.

Learn more

Other countries where you can use an eIDAS eID to submit your tax return 

If you know of another EU Member State where this service can be accessed using an online eID, contact us with the details and we will add them to the list.

If you do not yet have an eID from a notified eID scheme, but are a citizen from one of the countries that provide them, you can consult the overview of services for countries and apply to get your eID.  

Last updated on  Oct 01, 2020 10:08

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