> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.taxx.lu/sitemap.xml
> Use this file to discover available pages before exploring further.
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# Do I have to declare all my foreign income even if I am a cross-border worker?

If you wish to benefit from assimilation and thus be entitled to the same advantages and deductions as a person residing in Luxembourg, you must declare your worldwide income, i.e. income from Luxembourg and from abroad, in your Luxembourg tax return.