General

Who has to make a tax return in Luxembourg?

A resident taxpayer is obliged to file a tax return when :

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How can I change my email address?

You have to log into your taxx.lu account, then go to "Settings" and "Change email address".

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General

Which form should I submit between 100 and 163?

Depending on your situation, you must complete Form 163 (annual statement) or Form 100 (tax return).

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Deadline for tax returns

Tax Administration asks you to send in your tax return by 31 March.

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