SECTION 25. QUALIFICATIONS.
   (1)   An elective city officer shall be a qualified elector under the state constitution and shall have resided in the city during the twelve (12) months immediately before submitting petition, or appointment to the office. In this subsection "city" means area inside the city limits at the time of the election or appointment.
   (2)   No person may be a candidate at a single election for more than one elective city office.
      (a)   An elective officer may be employed in a city position that is substantially volunteer in nature.
      (b)   Except as subsection (1) of this section provided to the contrary, the council is the final judge of the election and qualifications of its members.
      (c)   The qualifications of appointive officers of the city are whatever the council prescribes or authorizes.