Tax return 2024

The deadline for filing the 2024 return (income 2023) has now expired. You haven't filed your tax return yet? Do it as soon as possible. You can file your tax return for the 2025 return (income 2024) as from the end of April 2025. 
  • Deadlines 2024

    • 30 June 2024: paper tax return and changes to the proposal for a simplified tax return via the paper form 
    • 19 July 2024: online tax return and changes to the online proposal for a simplified tax return via MyMinfin (Tax-on-web) 
    • 14 November 2024: online tax return via MyMinfin (Tax-on-web) relating to specific income
  • How to file your tax return?

    Preferably online, via MyMinfin (Tax-on-web) or return the completed paper declaration.

    You can also use the services of a qualified accountant or delegate the task to a relative (in this case, both of you will sign an electronic mandate citizen tax return (mandat électronique déclaration d’impôt citoyen).

    If you have received a proposal for a simplified tax return, you can no longer change it yourself. Contact your relevant department if necessary.

  • Help with completing the return is now over

    It is no longer possible to have your return completed by our employees. There is therefore no need to call us or come to our offices.

    Help with completing the tax return is offered every year in May and June.

  • Detailed explanations and annexes

    See documents in French, Dutch or German.