Article R3132-16 of the French Labour Code
The extension authorisations referred to in Article L. 3132-23 are granted in accordance with the procedures set out in the first paragraph of Article L. 3132-21. The opinions mentioned in the first paragraph of article L. 3132-21 are given within one month. The Prefect then takes a decision within eight days by means of a reasoned decision which he immediately notifies to the applicants.