754 SECRETARIAL PRACTICE resigns his office by notice in writing to the company; or is directly or indirectly interested in any contract with the company or participates in the profits of anv contract with the company. Provided, however, that a director shall not vacate his office “by reason of his being a member of any corporation which has entered into contracts with or done any work for the company if he shall have declared the nature of his interest in manner required by section 149 of the Act, but the director shall not vote in respect of any such contract or work or any matter arising thereout, and if he does so vote his vote shall not be counted. 6) (8) Rotation of Directors. 73. At the first ordinary general meeting of the company the whole of the directors shall retire from office, and at the ordinary general meeting in every subsequent year one-third of the directors for the time being, or, if their number is not three or a multiple of three. then the number nearest one-third, shall retire from office. 74. The directors to retire in every year shall be those who have been longest in office since their last election but as between persons who became directors on the same day those to retire shall (unless they otherwise agree among themselves) be determined by lot. 75. A retiring director shall be eligible for re-election. 76. The company at the general meeting at which a director retires in manner aforesaid may fill up the vacated office by electing a person thereto and in default the retiring director shall be deemed to have been re-elected unless at such meeting it is resolved not tc fill up such vacated office. 77. The company may from time to time in general meeting increase or reduce the number of directors, and may also determine in what rotation the increased or reduced number is to go out of sffice. 78. Any casual vacancy occurring in the board of directors may be filled up by the directors, but the person so chosen shall be subject to retirement at the same time as if he had become a director on the day on which the director in whose place he is appointed was last elected a director. 79. The directors shall have power at any time, and from time to time, to appoint a person as an additional director who shal retire from office at the next following ordinary general meeting but shall be eligible for election by the company at that meeting as an additional director. 80. The company may by extraordinary resolution remove any director before the expiration of his period of office, and may by an ordinary resolution appoint another person in his stead. The person so appointed shall be subject to retirement at the ‘same time as if he had become a director on the day on which the director in whose place he is appointed was last elected a director.