A.   The board of adjustment shall elect one of its members as chairman to serve a term of two (2) years. The board shall adopt rules in accordance with the provisions of this chapter. Meetings of the board shall be held at the call of the chairman and at such other times as the board may determine. The chairman, or, in his absence, the acting chairman, may administer oaths and compel the attendance of witnesses by subpoena. The board of adjustment shall be subject to the open meeting laws of the state, and all meetings, deliberations and voting of the board shall be open to the public. The board shall keep the minutes of its proceedings, showing the vote of each member upon each question, or if absent or failing to vote, indicating such facts, and shall keep records of all official actions, all of which shall be immediately filed in the office of the board and shall be a public record.
   B.   The concurring vote of three (3) members of the board is necessary to reverse any order, requirement, decision, determination of any administrative official, or to decide in favor of the applicant on any matter upon which the board required to pass under any ordinance or to effect any variation as provided in this chapter. (Prior code § 16-46)