Which tax forms do you need for the 2026 declaration?
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2042, 2044, 2047, 3916, 2086… Answer 8 questions about your own situation and get the exact list of official forms, each with its impots.gouv.fr link — free, no account.
Which forms do I need? — free checker
Your 2026 declaration (2025 income): answer 8 questions, get the official form list.
Your form list:
1 form
Data: 2026 declaration (2025 income) — every link goes to the official impots.gouv.fr form page.
Income tax return (base)
The base declaration every tax household files for the income received by its members.
- •Base return filed by every tax household.
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Quick answer
Every tax household files the base 2042; the other forms are annexes triggered by your situation. Unfurnished rental: directly on the 2042 under micro-foncier (gross property income up to €15,000 for 2025 income) or on the 2044 under the régime réel. Furnished rental: via the 2042-C-PRO (micro-BIC ceilings 2025: €77,700, or €15,000 for non-classified meublés de tourisme). Foreign income goes on the 2047, each foreign account on a 3916 (crypto accounts included), crypto disposals on the 2086 carried to the 2042-C, and net taxable real-estate wealth above €1.3 million on 1 January on the 2042-IFI.
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How the French declaration forms fit together
One base form, then annexes
The 2042 is the base return every household files — salaries and pensions are entered directly on it. The rest of the system is modular: the 2042-C collects income and charges that have no box on the base form, and the 2042-C-PRO collects self-employment income (micro-BIC, micro-BNC or régime réel results) and furnished-rental amounts. You only add the annexes your situation triggers.
Rental income: the régime decides the form
For an unfurnished rental, the micro-foncier régime applies by default when the household's gross property income does not exceed €15,000 for the year (2025 income) — amounts then go directly on the 2042. Above that ceiling, or on option, the régime réel applies and the detail goes on the 2044. For a furnished rental, everything passes through the 2042-C-PRO: directly under micro-BIC (2025 ceilings: €77,700 for long-term rentals, chambres d'hôtes and classified meublés de tourisme; €15,000 for non-classified meublés de tourisme since the loi « Le Meur »), or as the carried-over result under the régime réel — which also requires a separate professional declaration, the 2031-SD « liasse ».
Anything abroad has its own form
Two obligations are routinely missed by newcomers and expats. Income received from outside France is declared on the 2047 and then carried back onto the return. Separately, each account opened, held, used or closed outside France — bank accounts, capitalisation contracts, and digital-asset accounts on platforms based abroad — must be declared on its own form 3916, even if it produced no income.
Disposals, wealth and first declarations
Taxable crypto disposals are detailed per transaction on the 2086, with the overall result carried onto the 2042-C. For securities, the 2074 is only needed when the bank or broker has not fully calculated the gains (the annual IFU usually covers it). Net taxable real-estate assets above €1.3 million on 1 January trigger the 2042-IFI annex. And for a first declaration in France, online filing is the rule for households with internet access — paper forms remain available from your Service des impôts des particuliers or a Maison France Services if you cannot file online yet.
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Frequently Asked Questions
Base form, rental annexes, foreign accounts, crypto and securities.
Which form does every French tax household file?
Which form do I need for rental income?
Do I have to declare my foreign bank accounts?
I sold crypto or shares — which forms apply?
Informational: AdminLanding is a technology platform, not an accounting or law firm, and does not provide personalized tax advice. This checker maps the situations you declare to the official forms and links only to official sources; forms and thresholds can change. Always confirm with the official instructions of each form on impots.gouv.fr — or a qualified professional (expert-comptable, avocat fiscaliste) — before filing.
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Start free →EU-hosted • 2026 declaration data (2025 income) • Official impots.gouv.fr links
Editorial deep-dives
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