For the purpose of nominating and electing officers and all purposes connected therewith, and for the purpose of exercising such preliminary legislative powers by the City Council as are herein provided, this Charter shall take effect on the first day of January, 1915. For the purpose of establishing departments, divisions, and offices, and distributing the functions thereof, and for all other purposes, it shall take effect on the first day of January, 1916. The Council during the year 1915 may pass any ordinance, to be operative on and after January 1, 1916, designed to carry out the provisions of this Charter. Such ordinance shall be in accordance with the statutes, respecting passage and publication.