General | taxx.lu FAQ

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
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?
Tax return 2020 : Form 100 : Tax Administration asks you to send in your return by 31 March 2022. But if you send it after 31 March, it should in principle be accepted. However, if you file your tax return late (i.e. after 31 March), it is possible that the processing time for your tax return will be longer. 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 automaVery 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 "To your tax return" under the paid tax return. Then in the "Result" form, you will be able to download the PDF again.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
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.Very 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 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 €50 to access your complePopular
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
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".Some readers
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 can I receive my tax card?
The tax card is usually sent to you automatically by post. If this is not the case, you should contact the competent RTS office. You can find the different RTS offices here: https://impotsdirects.public.lu/fr/profil/organigramme/rts.html Here is an example of a tax card : Tax card exampleFew readers