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# France orders all ministries to adopt sovereign Tchap app, bans foreign messengers
- URL: https://sovereigntymonitor.eu/news/2025-08-04-france-tchap-mandatory-circular/
- Published: 2025-08-04T12:00:00.000Z
- Updated: 2026-10-16T12:00:11.000Z
- Description: French PM Francois Bayrou signed a circular, published 4 August 2025, ordering ministries and cabinets to use the sovereign Tchap app for work messaging. It bars WhatsApp, Telegram and Signal from official use from 1 September 2025.
- Author: Reidar Balstad
- Tags: Policy and law, #news, #reported, #editor-read

Reported Editor-read [Open Source Observatory, European Commission Interoperable Europe, 2025](https://interoperable-europe.ec.europa.eu/collection/open-source-observatory-osor/news/public-sector-employees-required-use-french-developed-tchap-app?ref=sovereigntymonitor.eu)

**What it does not test.** Does not establish that administrations have actually migrated off foreign apps by the deadline.

**How this item counts.** This item is dated before the index starts on 1 January 2026, so it does not count in the [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/).

**How this item was made.** Drafted by an AI system (Claude (Anthropic)) from the source cited above; read and approved by the editor on 2026-10-16\. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)