s 19 Meeting
(1) The Executive Chairman, or in his absence the Deputy Executive Chairman, shall summon meetings of the Board as often as may be necessary but not less than six times a year. (2) The quorum for a meeting of the Board shall be five, at least two of whom shall be directors referred to in paragraphs 11(3)(c), (d), (e) and (f). (3) The Executive Chairman, or in his absence the Deputy Executive Chairman, shall preside at all meetings of the Board. (4) The decision of the Board shall be adopted by a simple majority of the votes of the directors present and voting. (5) In the case of an equality of votes, the chairman shall have a casting vote. (6) A resolution in writing, signed by all the directors for the time being entitled to receive notice of a meeting of the Board, shall be as valid and effectual as if it had been passed at a meeting of the Board duly convened and held and any such resolution may consist of several documents in like form, each signed by one or more directors. (7) Nothing in this section shall prevent the Executive Chairman, or in his absence the Deputy Executive Chairman, from authorizing a director to use live video, television links or other appropriate communication or multimedia facilities to participate in any meeting of the Board where, prior to the meeting, the director, by notification to the Executive Chairman or the Deputy Executive Chairman, as the case may be, has requested for such authorization.