• German
• English
• French
• Luxembourgish

Go to website

• Which form should I send between 100 and 163?

  Depending on your situation, you must complete Form 163 (annual statement) or Form 100 (tax return). You must choose Form 100 if, for example: The taxable income of your household is over 100.000€; If someone of your household has more than one income (e.g. 2 salaries from 2 different companies); Or if you own your home and have paid interest on a debt. If none of these cases fit your situation and the Tax Administration has not specifically asked you to return Form 100, then choose ForVery popular

• What is the deadline for sending in my tax return?

  The deadline for the 2019 tax return has been extended until 31 March 2021 at the latest. Tax return 2020 : Form 100 : Tax Authorities asks you to send in your return by March 31. (due to COVID-19 this date has been extended to 30 June 2021) If you send it after 30 June, it should in principle be accepted. However, if you file late (i.e. after June 30) it may take longer to process your tax return. Non-resident taxpayers, married before January 1 of the tax year, who wish toVery popular

• After payment, is it possible to change the tax return free of charge?

  Yes, after payment, you can correct the data on your tax return free of charge. All you have to do is log into your taxx.lu account and click on "Modify" under the paid tax return. Then in the "Result" form, you will be able to download the PDF again.Very popular

• How do I transfer my tax return to myguichet.lu? (ONLY form 100)

  First go to the myguichet.lu website and click on "Log in". Then log in with your device and your login.Very popular

• Who has to make a tax return in Luxembourg?

  A resident taxpayer is obliged to file a tax return when : the taxable income of the household exceeds 100.000€ per year in case of cumulation of several remunerations (salaries and/or pensions) where the taxable income exceeds 36.000 € for taxpayers in tax class 1 and 2 and 30.000 € for taxpayers in tax class 1a. Or if his Luxembourg taxable income is not subject to a withholding tax, as for example for: a profit from the exercise of a liberal profession income from the rentVery popular

• When will I receive the statement of my tax return?

  the settlement is carried out by the tax authorities and as an external company, we have no influence on it. You can, however, call your tax office and ask about the current progress of your case.Popular

• Is the tax return automatically sent to the tax office?

  No, the tax return is not automatically sent to the tax office. You have to print it out, sign it and send it to your relevant tax office.Popular

• After entering my bank details, how long does it take until the tax statement is available?

  The tax statement can be downloaded instantly after payment.Popular

• taxx.lu, what is it?

  taxx.lu is a website that makes it easy to fill in tax returns (forms 100, 163 and 190) in Luxembourg. Thanks to our site, you can fill in your tax return yourself in a simple and quick way. You can also watch this explanatory video :Some readers

• How does taxx.lu work?

  taxx.lu is a website that makes it easy to fill in tax returns (forms 100, 163 and 190) in Luxembourg. Thanks to our site, you can fill in your tax return yourself in a simple and quick way. All you have to do is create an account on our site and fill in the different categories and fields that concern you. The simulation is completely free of charge. At the end, you will be able to see how much refund you can receive or how much you have to pay and then choose to pay €40 to access your compleSome readers

• How can I change my email address?

  You have to log into your taxx.lu account, then go to "Settings" and "Change email address". Then under "Confirm changes", please enter your password and click on "Update".Few readers