Article R1251-20 of the French Labour Code
The temporary employment contractor is considered to be in default within the meaning of article L. 1251-52 if, at the end of a period of fifteen days following receipt of a formal notice, it has not paid all or some of the debts listed in article L. 1251-49. The formal notice may be issued either by an employee or by a social security body or social institution, provided that their…