Article R521-3 of the French Consumer Code
The administrative authority mentioned in articles L. 521-4, L. 521-5, L. 521-7, L. 521-10, L. 521-12, L. 521-13, L. 521-14, L. 521-16, L. 521-20 and L. 521-23 is the Prefect or, in Paris, the Prefect of Police.