In addition to such acts of the city council as are required by the Constitution or
general laws of the state or by the charter to be by ordinance, every act of the city
council creating, altering or abolishing any department or creating, assigning or
abolishing any bureau, division, office, agency or employment, making any appropriation
in excess of $5,000, except as provided by section 5.16 of the charter, authorizing the borrowing of money, except as provided by sections 7.04, 7.19, 7.20 and 7.21 of the charter, levying a tax or establishing any rule or regulation for the violation
of which a fine or penalty is imposed, shall be by ordinance. No ordinance shall be
amended, suspended or repealed, except by an ordinance regularly introduced and passed.
(Code 1963, Sec. 2-19)