Can I upgrade after I have chosen an offer?

Yes, you can upgrade your offer even after you have made a selection. To do this, return to your paid tax return and navigate to the final form labeled "Result," where you can choose a different offer.

Here are the advantages of the various offers: https://help.taxx.lu/en/article/what-are-the-advantages-of-the-different-rates-h7xkbh/

Updated on: 03/09/2026