All the legislative acts of the common council shall be by ordinances, and on the passage of every ordinance, the yeas and nays of the members voting thereon shall be entered in full upon the journal. The passage of an ordinance shall require the affirmative vote of at least a majority of all the members of the common council. No ordinance shall be passed by the common council on the same day in which it is introduced, except by unanimous consent.
New York Legal Code