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The sale of a property located in Luxembourg or abroad must be declared in your tax return.

For the sale of a property, a distinction must be made between two cases:

First case: The sale of your main residence

If you have sold your main residence, the capital gain is NOT taxable.
All you have to do is fill in the first page of form 700 and fill in the fields on taxx.lu in the category "Real estate operations".

In order to determine whether this is your main residence, you can use this simulator: Simulator - Main residence

Second case: The sale of a property that was not considered to be your main residence

If you have sold a property that was not considered to be your main residence, the capital gain is in principle taxable.
You must therefore fill in Form 700 entirely and then fill in the fields on taxx.lu in the "Real estate operations" category.
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