UGA international

The 2026 calendar for the income tax return

The calendar varies depending on your département of residence and whether you file your tax return online or by post.
You must meet the applicable deadlines when filing your tax returns.

• Start of the income tax declaration services: Thursday 9 April 2026.
• Deadline for online tax returns, if you live in Isère (Grenoble, 38) or Drôme (Valence, 26): Thursday 28 May 2026 (at 23:59).
• Deadline for paper returns: Tuesday 19 May 2026.

Find all the information about the calendar on the French administration website and on the website of the French Ministry of Economy.

How to file your tax return?

To find out how to proceed (paper, online or automatic declaration) depending on your situation, please visit the income tax section on the UGA International web portal.

Need help?

Do you want to know if you are concerned by the annual tax return? Do you need help and advice on your situation?
You can contact agents at the tax department (Centre des finances publiques):

• Via the mailbox (messagerie) in your personal account (espace Finances publiques) on the impots.gouv.fr website (if you already have access to your personal account).
• By telephone : 0809 401 401.
• By visiting your local tax office, which offers walk-in service at certain hours.
  • In Grenoble : 38 avenue Rhin et Danube, 38047 Grenoble Cedex 2
  • In Valence : Centre administratif Le Polygone 26015 Valence Cedex
• By making an appointment (in person or by telephone), via your personal account (espace Finances publiques) on impots.gouv.fr, or from the home page of impots.gouv.fr, under the 'Contact et prise de RDV' section.