Within ten days from the commencement of their term, the members of the legislative authority of a city shall elect a president pro tempore, a clerk, and such other employees as are necessary, and fix their duties, bonds, and compensation. Such officers and employees shall serve for two years, unless the members of the legislative authority serve terms of four years pursuant to division (B) of section 731.03 of the Revised Code, in which case these officers and employees shall serve for four years, but may be removed at any time for cause, at a regular meeting of the legislative authority by a two-thirds vote of the members elected.