Section 5
SEC. 5. Meeting of the Commission, quorum,&mdashThe Commission shall meet as often as necessary to carry into effect the provisions of this Act and at times and places to be designated by the Chairman of the Commission, and shall keep a complete record of the meetings which shall be kept on file in the office of the Technical Secretary, and shall determine the rules of its own proceedings. Meetings may be called by the chairman upon his own initiative or upon the written request of two or more members of the Commission. Written notice of the time and place of such meetings shall be delivered to the office of each member of the Commission and the Technical Secretary. Four members of the Commission shall constitute a quorum to transact the business of the Commission: Provided, however, That the concurrence of the majority of all the members of the Commission shall be necessary to exercise the powers and duties enumerated in Section six of this Act and to render any order, judgment or decision in the proceedings referred to in section seven and eight hereof.