1. The supervisory organ shall elect a chairman from among its members. If half of the members are appointed by employees, only a member appointed by the general meeting may be elected chairman.
2. The chairman shall call a meeting of the supervisory organ under the conditions laid down in the statutes, either on his/her own initiative, or at the request of at least one third of its members, or at the request of the management organ. The request shall indicate the reasons for calling the meeting. If no action has been taken in respect of such a request within 15 days, the meeting of the supervisory organ may be called by those who made the request.