• 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.

Complete your tax return with MyGuichet.lu: quick and easy Your administrative procedures, quite simply, when you want, where you want and in complete security.

Last update

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

Moreover, this year the target audience that can use the online form has been further expanded. The following persons are concerned:

  • the liberal professions; and
  • partners in a civil partnership who submit a joint declaration (PACS).

The online assistant is available in your private and/or business eSpace on MyGuichet.lu. You will be guided through the input fields in accordance with:

  • your personal situation; and
  • the data entered.

Another advantage of this assistant is: you can act as a private representative and complete the income tax return for your parents for example.

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Did you know that with the MyGuichet.lu mobile application you can attach the necessary supporting documents to your tax return simply by using the camera of your smartphone or tablet?

The uploaded documents are automatically converted into PDF format by the mobile application.

To simplify the completion of your tax return even more, we also provide tutorials with screenshots. These will guide you step by step through the procedure and explain, for example, the double electronic signature in the event of joint taxation.