• Veuillez noter qu’aujourd'hui (23 avril 2025), de 19h30 à 23h30, des travaux de maintenance auront lieu sur l’infrastructure du CTIE. Les sites étatiques comme Guichet.lu ainsi que les services proposés sur MyGuichet.lu et sur l’application mobile MyGuichet.lu pourront être indisponibles pendant de courts moments. Les plateformes eCDF et LBR seront également impactées. Merci pour votre compréhension.
  • Bitte beachten Sie, dass heute (23. April 2025) von 19:30 bis 23:30 Uhr eine Wartung der CTIE-Infrastruktur stattfinden wird. Staatliche Websites wie Guichet.lu sowie die auf der Plattform MyGuichet.lu und der App MyGuichet.lu angebotenen Dienste könnten für kurze Zeit nicht verfügbar sein. Die Plattformen eCDF und LBR werden ebenfalls betroffen sein. Vielen Dank für Ihr Verständnis.
  • Please note that today (23 April 2025), from 19.30 to 23.30 that maintenance work on the CTIE infrastructure will take place. Government websites such as Guichet.lu and the services offered on MyGuichet.lu and the MyGuichet.lu mobile app may be unavailable for short periods of time. The eCDF and LBR platforms will also be affected. Thank you for your understanding.

The income tax return for the tax year 2023 is now available on MyGuichet.lu

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With the online assistant on MyGuichet.lu, filing your income tax return (model 100) is still quick and easy, as the procedure is fully digital from start to finish.

From the tax year 2023, the target audience that can use the online form has been further expanded. In particular, it is now possible to declare income from business profits.

This is a procedure requiring authentication, meaning that you need :

  • a LuxTrust product; or
  • an Luxembourg electronic identity card (eID).

You must also register on MyGuichet.lu and create a private eSpace.

Please note that you cannot use an eIDAS device from another European country to electronically sign your tax return.

If you do not fall within the target audience of the online assistant, you can file your tax return by submitting the PDF version via MyGuichet.lu or in printed format by post.

For more information, please see our information page.