Each ordinance or resolution providing for (a) the appropriation of money, (b) an annual tax levy, (c) improvements petitioned for by the owners of a majority of the foot frontage of property abutting upon the improvement or by the owners of a majority of the area to be assessed for the improvement, and (d) any emergency ordinance or resolution necessary for the immediate preservation of the public peace, health or safety shall take effect, unless a later time be specified therein, upon its signature by the Mayor. No other ordinance or resolution shall go into effect until thirty days after its final passage by the Council. Each emergency measure shall contain a statement of the necessity of such emergency action and shall require the affirmative vote of two-thirds of the members of the Council for its enactment. No action of the Council (a) relating to the zoning ordinances or resolutions of the City, (b) providing for the surrender or joint exercise of any of its power, (c) granting franchise, or (d) contracting for the supply to the City or its inhabitants of the product or service of any utility, whether municipally owned or not, shall be taken as an emergency measure. (Amended 11-8-66.)