Sec. 7.02  EFFECTIVE DATE OF LEGISLATION.
   An ordinance which is not subject to referendum and all resolutions shall take effect upon adoption by Council. All other ordinances shall take effect thirty days after adoption by Council.
   An emergency ordinance shall contain a statement of the necessity for such emergency action and shall require the affirmative vote of five (5) members of Council. Such emergency ordinance shall take effect immediately or as stated within the ordinance. If an emergency ordinance receives the affirmative vote of four (4) members of Council, but not five (5) votes, it need not be resubmitted, and the ordinance shall take effect thirty days after adoption by Council. No ordinance changing the zoning of property, establishing a zoning district, amending the Zoning Code and/or zoning map, and no ordinance granting any franchise or providing for the supply to the City or its inhabitants of the product or service of any utility, shall be enacted as an emergency measure.