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French tax administration (DGFiP)TaxGuide
2042 — Income tax return (France)
The annual household income tax return, usually filed online at impots.gouv.fr.
The form is downloaded and submitted on the authority's website.
What this form is for
Declare the household's annual income (wages, pensions, rental income…) and expenses that give rise to tax reductions or credits.
Documents to have ready
Proof of income and expenses (keep them in case you're asked)
Where to send it
The return is normally filed online in your personal space at impots.gouv.fr; paper filing remains possible in some cases, per each year's schedule.
Our tips
- Check the CERFA version number (the digit after the asterisk): only the current version is accepted.
- Keep a copy of the signed form and supporting documents.
Frequently asked questions
- Are there additional forms?
- Yes: depending on your income, supplementary returns (2042-C, 2044…) are added to the main one. The online service offers them when needed.
The information on this page is general. If in doubt, the official source prevails.