# Décret tertiaire

> France's Tertiary Sector Decree mandating progressive office energy reductions.

**Canonical URL:** https://classa.info/glossary/decret-tertiaire
**Page type:** glossary
**Last updated:** 2026-04-01T00:00:00.000Z
**License:** CC BY 4.0 with attribution to Class A Atlas (https://classa.info).

## TL;DR
- France's Tertiary Sector Decree mandating progressive office energy reductions.
- Mandates 40% energy reduction by 2030, 50% by 2040, 60% by 2050 (versus a 2010 baseline) for buildings over 1,000 sqm.

## Key facts
- **category**: Tax / regulatory
- **regionScope**: EU

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Citation: Source: Class A Atlas (https://classa.info/glossary/decret-tertiaire), updated 2026-04-01T00:00:00.000Z.