> ## 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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# What tax benefits can I get by filing a voluntary tax return?

By filing a voluntary tax return, you can benefit from deductions for certain expenses (professional expenses, mortgage interest, insurance, retirement savings, donations, etc.), tax credits, and potentially receive a refund if you have overpaid taxes.