SECTION 16a. REMOVAL OF OFFICERS.
   Any member of the Council and any City official either elected or appointed for a definite term may be removed from his or her office by the Common Council for any of the following causes: Official misconduct, incompetence, habitual drunkenness, neglect of duty or gross immorality. Such removal shall not be made except upon charges regularly filed and acted upon as follows: Charges against any such officer shall be reduced to writing and entered of record by the Common Council and a summons shall thereupon be issued containing a copy of the charges and requiring the officer named therein to appear and answer the same on a day to be named therein, which summons may be served in the same manner as a summons commencing an action may be served, and the service must be made at least five days before the return day thereof, and upon proper hearing it shall require the vote of at least five members of said Common Council to remove any such official.
   The officer or body of officers authorized by this section to make appointments for special purposes, or for less than a definite term shall have the power to remove their respective appointees at will.