(2) A member of such a commission may be removed by the appointing authority, after hearing, for misconduct or nonperformance of duty.
(3) Any vacancy in such a commission shall be filled by the appointing authority for the unexpired term of the predecessor in the office.
(4) No more than two voting members of the commission may engage principally in the buying, selling or developing of real estate for profit as individuals, or be members of any partnership, or officers or employees of any corporation, that engages principally in the buying, selling or developing of real estate for profit. No more than two members shall be engaged in the same kind of occupation, business, trade or profession. [Amended by 1969 c.430 §1; 1973 c.739 §2; 1975 c.767 §3]