(1) The directors of an incorporated association may convene a special general meeting whenever they deem it necessary to do so.
(2) The directors shall convene a special general meeting, when a demand stating the purpose of the meeting has been made by one fifth or more of the members. This quorum may be increased or decreased by the Articles of incorporation.
(3) Where the directors have not taken necessary procedures for convocation of a general meeting within two weeks after the demand under the preceding paragraph was made, the members who made the demand may convene the meeting with the permission of the court.