Fill and sign Cerfa 10330 (2042) online
The annual French income tax return on paper, declaring 2025 income in 2026.
Cerfa 10330 (2042) at a glance
- Official name
- Déclaration des revenus 2025 (formulaire 2042, cerfa 10330*30)
- Issued by
- Direction générale des Finances publiques
- Country
- France
- Category
- Tax
- Language
- French
- Who uses it
- Taxpayers in France who cannot file online. Online filing is in principle compulsory.
- Signature
Check with the recipient
The form has a signature box for the declarant or declarants. The tax office does not say whether an electronic signature is accepted on a paper return. If you can file online, the online service replaces the paper form.
Form 2042 is the French income tax return. The 2026 edition declares income received in 2025. Online filing is in principle compulsory, and the paper form is for people who cannot file online. Open the official form from impots.gouv.fr in BunnyDoc's free Sign PDF tool straight from this page, type into its fillable fields, add your signature and date, and download it. Everything happens in your browser, so the file never leaves your device.
How to fill in and sign Cerfa 10330 (2042)
Check whether you must file online
impots.gouv.fr says online filing is in principle compulsory. Use the paper form only if you cannot file online.
Complete état civil (page 1)
Enter your identity and your address on 1 January 2026, any change of address in 2025 or 2026, and whether this is your first return.
Describe your household (page 2)
Give your marital or civil status, any change during 2025, your dependants and children in shared custody, and your bank details for refunds.
Declare your income
Enter salaries, pensions and benefits (for example box 1AJ for declarant 1), investment income, and rental income such as micro-foncier (box 4BE).
Add deductions, reductions and withholding
Fill in deductible charges, reductions and tax credits such as donations and home help (for example 7UD, 7DB), and the prélèvement à la source section on page 8.
Sign and send it to your tax office
Sign and date the return, attach the documents listed on the form, and post it to your service des impôts des particuliers. impots.gouv.fr advises against sending it through the secure messaging service.
What you need before you start
- Your income figures for 2025 (pay slips, pension statements, bank interest).
- A bank account identity statement (RIB).
- A copy of an identity document if you are filing for the first time.
- Your lease at 31 December 2025 if you rent.
- The current form from impots.gouv.fr.
Common mistakes
- Filing on paper when you can file online.
- Leaving out the attachments listed on page 1, such as a first-time filer's ID or the RIB.
- Forgetting to sign the return.
- Using last year's form instead of the 2026 edition.
Cerfa 10330 (2042): frequently asked questions
Is it compulsory to file the 2042 online?
In principle yes. impots.gouv.fr says online filing is in principle compulsory and the paper form is for taxpayers who cannot use it.
Where do I send a paper 2042?
To your service des impôts des particuliers (tax office). Its address is on impots.gouv.fr.
What is the deadline for the paper return?
It changes each year. Check the official deadline page on impots.gouv.fr or Service-Public.fr before you post it.
Can I sign the 2042 electronically?
The form has a signature box but the tax office does not say an electronic signature is accepted on paper. Filing online replaces the paper signature.
Is BunnyDoc connected to the DGFiP?
No. BunnyDoc is not affiliated with the Direction générale des Finances publiques. We link to the official form on impots.gouv.fr and give you a free tool to fill and sign it in your browser.
BunnyDoc is not affiliated with Direction générale des Finances publiques. Check that the recipient accepts electronic signatures.
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