(a) Four Council members constitutes a quorum. Four affirmative votes are required for passage of an ordinance, resolution, or motion.
(b) The final vote on each ordinance, resolution or substantive motion is a recorded roll call vote. All Council members present shall vote unless the Council, for special reasons, permits a member to abstain.
(c) The Mayor or Presiding Officer shall declare all votes; he shall declare the result.
(d) Every member who shall be present when a question is put, where he is not disqualified by personal interest, shall vote, unless the Council for special reason excuses him. Applications to be so excused must be made before the vote, and shall be decided without debate.