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What changes in September 2025

Publié le 29 août 2025 - Mise à jour le 17 septembre 2025 - Directorate of Legal and Administrative Information (Prime Minister)

In September, several new features come into effect in your daily life: financial aid, health, taxes, retirement, citizen engagement... Here are the main changes.

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Image 1Crédits: matteo scarano - stock.adobe.com

Money

To support households in their spending, several financial measures come into effect.

Withholding tax: the default distribution changes for married or past couples

The social leasing of electric cars soon back: what will be the modalities?

Reopening of the MaPrimeRénov' window: what will be the new modalities of the system?

A new calculation for the free choice supplement of the custody mode

An aid to facilitate the connection to optical fiber

Professional life and retirement

Progressive retirement and the right for an employee to postpone paid leave days that have coincided with sick leave.

Progressive retirement soon available from 60 years

An employee who becomes ill during his paid leave may postpone it

Health

Healthy news for this fall...

New diseases detected in newborns from 1 September 2025

Blood donation: more flexible selection criteria

Work stoppage: a new mandatory paper form

Semi-permanent varnishes: a substance considered toxic prohibited for use

Transport

Update on measures taken to speed up airbag changes.

Airbags Takata: where are we?

Schooling

Back-to-school is accompanied by adjustments in family support and new programs.

All the information on the high school scholarship for the 2025 school year

College scholarship: information for the 2025-2026 school year

A new program of education in emotional, relational and sexual life

National patent diploma: the share of continuous control is changing

Baccalaureate: what will be the modalities of the early mathematics test?

Citizenship

Defense and Citizenship Day (DCD) changes its program.

A new version of Defense and Citizenship Day

Culture

Last channel announced on DTT and European Heritage Days.

TNT: a new channel enriches the audiovisual landscape

Heritage Days 2025

Agenda

See all due dates