While nearly a million French people declared their income taxes on the application last year, the government presented the latest developments at a press conference on April 9. This year, theapplication impots.gouv integrates new features that were previously only possible on the web.
If it is possible to declare salaries, pensions and donations, you must always go through the website for land income, capital gainsA change of marital status or a moving abroad. As a reminder, the 2025 income declaration campaign officially started on April 9, 2026 and ends on different dates depending on your department of residence.
Have access to messaging
This is undoubtedly the most practical development: secure messaging becomes truly mobile. More specifically, it allows you to ask questions regarding income taxes and their withholding, to request a copy of the tax notice and to consult the history over the last three years of exchanges with the tax administration.
Even better: it is now possible to respond to a request or send proof using your smartphone’s camera directly or by drawing from your image gallery and local files.
Declare micro-entrepreneur income
Are you a micro-entrepreneur who has opted for the final payment of income tax? It is finally possible to use the mobile application, more precisely through your personal space, to declare your non-salaried income (BIC/BNC). Please note, this function is only possible on the app if you do not have a dependent…
Seize foreign accounts
From now on, the mobile interface takes into account bank accounts abroad, digital asset accounts or capitalization contracts. The tax authorities detail in their press kit: “This year, users with this type of pre-filled foreign account are asked not to declare in the mobile application to avoid having to re-enter information already known to the administration. However, they can ignore the warning and declare in the application, especially if they only have one or two accounts to re-enter. They can correct in the mobile app ». Beyond two accounts, you have to go through the website.
Notify of a change of address
For a move, you absolutely had to go through the website. From now on, it is possible to carry out this administrative formality from the mobile application. Please note that only moves within France are concerned. For those abroad, this still happens on personal online space. One last precaution? Reread your declaration one last time before validating, an error occurs more quickly on a small phone screen.
