(1) The quorum for meeting of the Authority other than special meeting, shall be at least three members.
(2) Four members present shall be the quorum for special meeting of the Authority.
(3) If within half an hour from the time appointed for holding a meeting of the Authority, quorum is not present, the meeting shall be adjourned to the same day in the following week at the same time and place and the presiding officer of such meeting shall inform the members present and send notice to other members.
(4) If at the adjourned meeting, also, quorum is not present within half an hour from the time appointed for holding the meeting, the members present shall be the quorum.