13. Duties of Vice-Chairman.- The Vice Chairman shall.- (a) In the absence of the Chairman from a meeting of the Board and unless prevented by reasonable cause. preside, regulate the conduct of business and maintain an enforce order at the meeting. (b) During the vacancy in the office of Chairman or the incapacity or temporary absence of the Chairman, perform any other duty or power of the Chairman; (c) At any time perform any duty and exercise, when occasion arises, any power delegated to him by the Chairman under section 12. | 
