The Planning and Zoning Commission shall hold regular meetings, at least once a month, and such special meetings as may be called according to its rules. All meetings of the Commission shall be public and the minutes of all meetings shall be kept showing the attendance of members and the vote or failure to vote of each member on each subject. No action shall be taken or decision made by the Commission except by the vote of at least three of its members.
(1973 Code Section 151.23.)