Your tax return guide in Luxembourg

Tax return

Working with taxx.lu

Personal situation

Revenues

Main residence

Deductions & allowances

Annexes

Tax optimisation

Others

Who has to make a tax return in Luxembourg?

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

General

How can I change my email address?

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

General

How do I send in my tax return (form 100)?

You have several options.

General

After the payment, how long does it take until the tax return is available?

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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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What is the deadline for sending in my tax return?

Tax return 2022 :

General