Unless otherwise specified, every ordinance shall become effective twenty (20) days after its final passage. If an ordinance is submitted at a referendum election or as a result of an initiative petition, it shall become effective upon the declaration by the council, after canvassing the election returns, that it has received the favorable vote of a majority of those voting thereon.

(Code 1964, § 2.470)

     Charter reference(s)--Similar provisions, § 15D.