Article 1013 of the French Code of civil procedure
In addition to the cases in which the Chamber rules in restricted formation, the President may, in particular when the complexity of the case justifies it, appoint two rapporteurs from among the councillors or referendary councillors. Where the case requires an in-depth investigation, an investigation meeting is held before the report is submitted. 1° The president of the chamber appointed in accordance with the procedures set out in first paragraph…