Income tax: last hours to correct your 2024 declaration online

If your tax return completed in the spring contains errors, you can correct your form online at impots.gouv.fr. But only until Wednesday, December 4.

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When consulting your tax notice, have you noticed an oversight or error in your 2024 tax return? Hurry to rectify the situation: the tax authorities allow you to correct your form online, on the site impots.gouv.fruntil Wednesday December 4 inclusive. Whether it is your pre-filled income of 2023 or expenses giving entitlement to a reduction or a tax credit, it is therefore still possible to modify this data directly on the platform, by connecting to your particular space, then clicking on “Access the online correction» to the right of the screen. Once you have provided this new information, all you have to do is validate this form. This option is open to online filers and those who have opted forImpots.gouv applicationeligible or not for automatic income declaration.

Please note: you cannot modify your entire tax return. Data linked to your marital status, your family situation (marriage, civil partnership, divorce, death, etc.) or your tax residence on January 1, 2024, if they have changed, must be reported in your secure messaging, always in your space particular. It is also in this place, in the “Write” section then “I report an error in the calculation of my tax” and “My request concerns income tax or social security contributions”, that you must also go if you declared your income online and you missed the deadline from December 4. Same procedure if you completed the paper form: a complaint is possible in your secure messaging or by post (with a corrective declaration addressed to your public finance center and bearing the words “RECTIFIED DECLARATION, CANCELED AND REPLACED”) or directly to the counter of your Personal Tax Service. For your 2023 income appearing in your 2024 declarationyou have until December 31, 2026 to contact the tax services.

The tax authorities may ask you for details

If you correct your online declaration no later than December 4, a confirmation email will be sent to you then, after processing the new information, a new tax notice will be provided to you. “If your tax is reduced and you have already paid the balance, you will be refunded within days of receiving the new notice. Otherwise, a deadline for payment of the difference will be indicated to you on the new notice.specifies the tax authorities. But be aware that if your tax on your 2023 income is reduced, the administration reserves the right to ask you for details and and can “possibly refuse the requested correction”she warns.