(a) At its first meeting of each year, the Board of Zoning Appeals shall elect a chairman and vice chairman from its membership. The vice chairman shall have the power and authority to act as chairman during the absence or disability of the chairman.
(b) A majority of the members of the Board shall constitute a quorum. No action of the Board shall be official, however, unless authorized by a majority of all the members of the Board.
(c) The Board may appoint and fix the compensation of a secretary and such employees as are necessary for the discharge of its duties, all in conformity to and in compliance with the salaries and compensation theretofore fixed by the governing body.