(A) The Mayor shall preside at all meetings of the City Council. 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 one-half 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 this code to adopt an ordinance, resolution or motion.
(B) In each instance specified, the Mayor shall vote. Nothing in this section shall deprive an acting Mayor or Mayor pro tempore from voting in his or her capacity as Alderman, but he or she shall not be entitled to another vote in his or her capacity as acting Mayor or Mayor pro tempore.
(1980 Code, § 2.104)