France tax deadlines 2026.
Every individual and self-employed income tax deadline for France in 2026. Plus recurring VAT / GST / sales tax filings. Each deadline links to notes on how to file, what people miss, and matching open-source tax skills.
Annual deadlines
1 this yearRecurring filings
VAT / GST / Sales taxTVA CA3
France
French VAT return (CA3). Quarterly for most regimes; monthly for businesses above certain turnover thresholds.
Open-source skills for France
Prepare this return with open-source skills
These skills are in the OpenAccountants repo. Add them to your AI agent and they handle the computation.
Use this skill whenever asked about reducing tax in France, tax planning, saving tax, optimizing tax, allowances, deductions the client might be missing, or any question about legal strategies to minimize income tax liability for self-employed individuals in France. Trigger on phrases like "reduce tax", "tax planning", "save tax", "optimize", "allowances", "deductions I'm missing", "payer moins d'impôts", "optimisation fiscale", "réduire ses impôts", "défiscalisation". ALWAYS read this skill before advising on any French tax optimization strategy.
French tax audit procedures, penalties, and taxpayer rights (contrôle fiscal). Trigger on phrases like "contrôle fiscal", "vérification de comptabilité", "redressement fiscal", "DGFIP contrôle", "proposition de rectification", "pénalités fiscales", "majoration 40%", "manquement délibéré", "intérêts de retard", "abus de droit", "commission départementale", "recours hiérarchique", "charte du contribuable vérifié", "FEC contrôle", "rejet de comptabilité", "acte anormal de gestion", "tax audit France", "tax penalties France", "objection tax France", "délai de reprise", "prescription fiscale", "régularisation spontanée". Covers the 8 verification axes (FEC, IS, charge deductibility, CCA 455, revenue, TVA, fixed assets, international), penalty schedules, audit procedures, and taxpayer rights.
Use this skill whenever asked about French social contributions (cotisations sociales URSSAF) for self-employed individuals (travailleurs independants), including professions liberales and BNC taxpayers. Trigger on phrases like "cotisations URSSAF", "charges sociales independant", "CSG CRDS freelance France", "CIPAV retraite", "ACRE reduction", "social contributions France", "cotisations minimales", "prelevement URSSAF", "cotisations trimestrielles", or any question about French self-employed social security. Also trigger when classifying bank statement transactions showing URSSAF prelevements, CIPAV debits, or cotisations trimestrielles. ALWAYS read this skill before touching any French social contribution work.
Use this skill whenever asked to prepare, review, or classify transactions for a French VAT return (déclaration de TVA CA3) for a self-employed individual or small business under the régime réel normal in France. Trigger on phrases like "prepare CA3", "French VAT return", "TVA", "déclaration de TVA", "classify these transactions for French VAT", or any request involving France VAT filing. This skill covers France only, régime réel normal (monthly CA3) and régime réel simplifié (annual CA12 with two advance payments). Micro-entreprise (franchise en base de TVA), partial exemption, and margin schemes are in the refusal catalogue. MUST be loaded alongside BOTH vat-workflow-base v0.1 or later (for workflow architecture) AND eu-vat-directive v0.1 or later (for EU directive content). ALWAYS read this skill before touching any French VAT work.
French cryptocurrency and digital asset taxation for individuals. Trigger on phrases like "crypto France impôt", "fiscalité crypto", "bitcoin impôt France", "ethereum déclaration France", "plus-value crypto", "PAMC crypto", "prix d'acquisition moyen pondéré", "formulaire 2086", "déclaration 2086", "cession crypto-actifs", "staking impôt France", "mining fiscalité", "airdrop fiscalité", "exonération 305 euros", "crypto flat tax France", "échange crypto-to-crypto", "stablecoin fiscalité", "Koinly France", "Waltio", "déclaration crypto France", "BNC staking". Covers the PAMC method, the EUR 305 exemption threshold, PFU 31.4%, barème option, form 2086, staking/mining/airdrops, and documentation obligations.
French business accounting, VAT declarations, invoicing, and e-invoicing 2026 reform. Trigger on phrases like "comptabilité française", "expert-comptable", "TVA France", "déclaration CA3", "déclaration CA12", "TVA intracommunautaire", "facturation France", "facture électronique", "e-invoicing France", "Factur-X", "UBL", "CII", "plateforme agréée", "PDP", "PPF", "réforme facturation 2026", "e-reporting", "PEPPOL France", "mentions obligatoires facture", "avoir facture", "numérotation factures", "franchise en base TVA", "autoliquidation TVA", "régime réel simplifié TVA", "régime réel normal TVA", "FEC", "fichier des écritures comptables", "Plan Comptable Général", "PCG", "liasse fiscale", "bilan France", "compte de résultat", "clôture annuelle", "amortissements comptables", "IS France", "impôt sur les sociétés", "taux réduit PME 15%". Covers TVA regimes and rates, e-invoicing/e-reporting reform timeline, mandatory invoice mentions, IS computation, annual closing, and FEC generation.
Use this skill whenever asked about French income tax for self-employed individuals (auto-entrepreneurs, micro-entrepreneurs, or professions libérales). Trigger on phrases like "impôt sur le revenu France", "déclaration 2042", "micro-entrepreneur", "auto-entrepreneur", "BNC", "BIC", "professions libérales France", "abattement forfaitaire", "Urssaf", "cotisations sociales", "régime micro", "régime réel", "IR France", "acomptes provisionnels", "Revenu fiscal de référence", "Crédit d'impôt", "BNP Paribas statement", "Qonto expense", "Shine business", "Stripe France", or any question about filing or computing French income tax for a self-employed individual. This skill covers progressive brackets (0--45%), micro-entrepreneur abattements, BNC/BIC regimes, social charges, tax credits, filing deadlines, and withholding (prélèvement à la source). ALWAYS read this skill before touching any French income tax work.
Use this skill whenever asked about French payroll processing for employees. Trigger on phrases like "French payroll", "bulletin de paie", "fiche de paie", "prélèvement à la source", "PAS", "URSSAF cotisations", "cotisations sociales France", "CSG CRDS", "SMIC", "AGIRC-ARRCO", "retraite complémentaire", "DSN", "net imposable", "net à payer", "salaire brut net France", "charges patronales", "charges salariales", "PMSS", "plafond sécurité sociale", "minimum wage France", "congés payés", "13ème mois", "mutuelle obligatoire", or any question about computing employee pay, income tax withholding, or social contributions in France. This skill covers prélèvement à la source (PAS), URSSAF contributions, AGIRC-ARRCO, CSG/CRDS, mandatory benefits, payslip (bulletin de paie) requirements, DSN filing, and employer cost analysis. ALWAYS read this skill before processing any French employee payroll.
Preparing a France return?
The OpenAccountants repo has verified, open-source tax computation skills. Clone and run them with your AI agent, then get an accountant to review.