The Planning and Zoning commission shall draw up and adopt rules governing the conduct of the affairs which are in keeping with the provisions of this ordinance. The rules shall provide and require the following in addition to other rules and regulations the Commission shall adopt.
(a) Officials. At the first meeting after its establishment, the Commission shall elect one of its members as chairman to serve for one year. A vice chairman and other officers as are deemed necessary shall be elected from among the members. All such officers shall serve one-year terms and may succeed themselves. The chairman, or in his absence the vice chairman, shall preside, may administer oaths, and compel the attendance of witnesses and the production of papers, records, and other documents by subpoena.
(b) Meetings. Meetings of the Commission shall be held at the call of the chairman and at such other times as the Commission may determine. Due notice shall be given to all parties in interest. All meetings of the Commission shall be open to the public. All evidence and testimony shall be presented publicly.
(c) Minutes of Proceedings. The commission shall keep minutes of its proceedings, showing the vote of each member upon every question or his absence or failure to vote, indicating such fact, and also keep records of its examinations, findings, determinations, and any other official action. No final action shall be taken unless a majority of the total membership of the Commission is present.