Article R7227-18 of the French General Code of Local Authorities
An assembly councillor or executive councillor who is an employee must, when he wishes to benefit from the training leave referred to in article L. 7227-13, submit his request in writing to his employer at least thirty days in advance, specifying the date and duration of the planned absence in this respect, as well as the name of the organisation responsible for the training course or session. The employer shall…