(A) The Mayor shall preside at all meetings of the City Council and at all times when the City Council meets as a committee of the whole. Except as otherwise provided by law, he or she shall not vote on any ordinance, resolution or motion except:
(1) Where the vote of the Aldermen has resulted in a tie;
(2) Where ½ of the Aldermen elected have voted in favor of an ordinance, resolution or motion, even though there is no tie vote; or
(3) Where a vote greater than a majority of the Corporate Authorities is required by statute to adopt an ordinance, resolution or motion.
(B) In each instance specified, the Mayor shall vote.
(1992 Code, § 30.21)