6th Apr 2026 Taxation French Income Tax Return 2026 The French government has released the dates for submission of the 2026 income tax return for 2025 income. There are 3 different dates, depending on place of residence, as follows: Departments 01 to 19 (zone 1) - 21st May; Accessible with a Premium Subscription Log in or subscribe to read the full article. Subscribe Login Share this article: X Facebook LinkedIn Email