15.1 Board of Directors meeting shall be held at least once in two months. 15.2 If fifty percent of the total number of members of the Board of Directors are present, the quorum for the meeting of the Board of Directors will be considered to be reached. 15.3 The meeting of the Board of Directors will be presided over by the Chairman and in his absence by a member appointed by the members from among themselves. 15.4 In the meeting of the Board of Directors, the opinion of the majority shall be valid and in case of equality of votes, the person presiding over the meeting may give the deciding vote. 15.5 The meeting of the board of directors shall be convened by the secretary of the board of directors on the date, time and place specified by the chairman. 15.6 The decision made by the board of directors meeting shall be verified by the secretary of the board of directors and updated by the person who presides. 15.7 Other procedures related to the meeting of the Board of Directors will be determined by the Board of Directors itself.