(a) The Vice Chair of the Board of Supervisors shall be elected by the Board of Supervisors from among the Board's members. During the absence or inability of the Chair to render or perform the duties of the Chair or exercise the powers of the Chair, the same shall be performed and exercised by the Vice Chair. When so acting, the Vice Chair shall have all the powers and be subject to all the responsibilities given to or imposed upon the Chair.

(b) During the absence or inability of the Vice Chair to render or perform the duties of the Vice Chair or to exercise the powers of the Vice Chair, the Board of Supervisors shall elect from among its membership an acting Vice Chair who shall have the powers and be subject to all the responsibilities given or imposed upon the Vice Chair.