Each ordinance or resolution providing for the appropriation of money or for an annual tax levy, or for improvements petitioned for by the owners of a majority of the front footage of property to be benefited and specially assessed therefor, and any emergency ordinance or resolution necessary for the immediate preservation of public peace, health or safety, shall take effect, unless a later date be specified therein, upon its approval by the Mayor, or upon its passage after veto by the Mayor, as the case may be.
No other ordinance or resolution shall become effective until thirty (30) days after its approval by the Mayor or upon the expiration of the time within which it may be vetoed by the Mayor, or upon its passage after veto by the Mayor as the case may be. Each emergency measure shall contain a statement of the necessity for such emergency action, and shall require the affirmative vote of two-thirds (2/3) of the members of Council eligible to vote for its enactment. No action of Council authorizing the surrender or joint exercise of any of its powers, or in granting any franchise, or rezoning ordinance, or amendment or repeal of any zoning ordinance, shall be designated an emergency measure or enacted under a suspension of the rules.