Article R342-10 of the French Code governing the entry and residence of foreign nationals and the right of asylum
The order of the liberty and detention judge may be appealed to the first president of the court of appeal or his delegate, within twenty-four hours of its pronouncement, by the foreign national, the departmental prefect and, in Paris, the police prefect. If the foreign national does not attend the hearing, the time limit runs from the date of notification. The time limit thus provided for is calculated and extended…