Article R1251-21 of the French Labour Code
As soon as it is established that the temporary employment contractor is in default, the holder of one of the claims defined in article L. 1251-49 may send the guarantor a request for payment by registered letter with acknowledgement of receipt or by delivery against receipt. When a temporary work agency is the subject of safeguard, receivership or liquidation proceedings, the court-appointed agent or liquidator sends the guarantor, within ten…