TLDR: To access the online declaration, you must have been personally subject to income tax in the previous year. Use your tax number and password, obtained via the online declarant number and the reference tax income indicated on your tax documents. Access is available at www.impots.gouv.fr.
Prerequisites
You must have been personally subject to income tax in the previous year to access the online declaration.
Required Credentials
Access requires two elements:
- Your tax number
- Your password
These credentials are essential to log in to your personal account.
Where to Find Your Credentials
The tax number and online declarant number are printed on the first page of your last paper income tax return, in the box at the top left. If you have opted out of receiving paper declarations, these numbers are provided in a specific letter.
The reference tax income is indicated on your last income tax notice.
Obtaining the Password
To obtain your password, you must provide the following three identifiers during your first login:
- Your tax number
- Your online declarant number
- Your reference tax income
Official Platform
The online declaration is carried out exclusively on the official website www.impots.gouv.fr.
Login Procedure
Once you have your credentials, log in to your personal account on the tax website. Follow the instructions to access your pre-filled or to-be-completed declaration.
Security and Confidentiality
Make sure to protect your credentials and only log in from secure devices. Never share your access information.