CNS – Department for Control and Management of Certificates of Incapacity for Work Double click to activate the map National Health Fund (CNS) CNS – Department for Control and Management of Certificates of Incapacity for Work 4, rue Mercier L-2144 Luxembourg Luxembourg Phone : (+352) 27 57 - 1 Fax : (+352) 27 57 27 - 58 (+352) 27 57 - 1 controle.cns@cmss.etat.lu CNS – Department for Control and Management of Certificates of Incapacity for Work Path to CNS – Department for Control and Management of Certificates of Incapacity for Work Show on map