(1) Each member of the supervisory board or of the management board may demand, citing the purpose and the reasons for their demand, that the chairperson of the supervisory board convene a meeting of the supervisory board without undue delay. The meeting must take place within two weeks of having been convened.
(2) Should this demand not be complied with, the member of the supervisory board or of the management board may themselves convene a meeting of the supervisory board, while including a notice of the facts and circumstances and an agenda with the invitation convening the supervisory board.
(3) The supervisory board must come together for two meetings per calendar half year. The supervisory board of unlisted companies may resolve that it is to come together for one meeting per calendar half year.