Resources
Tax & social security calendar
Main filing deadlines published by the firm, each with its source and last verification date. Always check your own situation with your adviser.
Upcoming deadlines
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31Dec 2026Tax
Payment of 4th Corporate Tax (IS) installment and year-end inventory closing
Télépaiement du 4e acompte d’IS et réalisation des opérations d’inventaire physique et comptable de fin d’exercice (stocks, immobilisations, provisions).