§ 18. Same—Enactment of resolutions.

The council, or a majority thereof, may act by resolution in all cases except where an ordinance is by this Charter required; provided, that no contract on the part of the city shall be made or authorized, nor any money appropriated from the funds of the city nor any franchise or privilege for the use of any of the public streets or other public places of the city be granted or renewed, nor any lands of the city be conveyed, or leased, nor authority for such conveyance or lease given otherwise than by ordinance.