All meetings of the Board of Zoning Appeals shall be held at the call of the chairperson, and at those times as the Board of Zoning Appeals may determine. All meetings of the Board of Zoning Appeals shall be open to the public. The Board of Zoning Appeals shall keep minutes of its proceedings, showing the vote of each member on each question, or if absent or failing to vote, indicating that fact, and shall keep records of its findings, proceedings at hearings, and other official actions, all of which shall be immediately filed in the office of the City Clerk and shall be a public record.