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• 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?

  Form 100 : The Tax Administration asks you to send in your return by March 31. If you send it after 31 March, it should in principle be accepted. However, if you file late (i.e. after March 31) or do not file, it may take longer to process your tax return. Non-resident taxpayers, married before January 1 of the tax year, who wish to change their tax class are obliged to send their return before March 31, otherwise they will automatically be taxed in tax class 1. Form 163 : TheVery 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

• 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

• 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

• How to choose between individual and collective taxation?

  For a married couple with a Luxembourg income and a foreign income, the situations are as follows: If the Luxembourg taxable income is higher than the foreign income: Collective taxation (tax class 2) will in principle always be more attractive for both resident and non-resident taxpayers. If the foreign income is significantly higher than the Luxembourg taxable income: Pure individual taxation will in principle be able to bring some advantages to taxpayers. **For the time beiPopular

• taxx.lu, what is it?

  taxx.lu is a website that allows you to do your income tax return in Luxembourg easily and quickly. If you want to know more about taxx.lu you can watch this video:Some 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