373.2  Appointment of commission members.
  1.  Within forty-five days after the establishment of a commission, the members of the commission shall be appointed as follows:
  a.  One member shall be appointed by the city council of each city participating in the charter process.
  b.  An additional member shall be appointed by each city council for every twenty-five thousand residents in the participating city.
  c.  One member shall be appointed by each state legislator whose legislative district is located in the commission area if a majority of the constituents of that legislative district resides in the commission area. However, if a commission area does not have a state legislative district which has a majority of its constituents residing in the commission area, the legislative district having the largest plurality of constituents residing in the commission area shall appoint one member.
  2.  Only eligible electors of the county not holding a city, county, or state office shall be members of the commission. In counties having multiple state legislative districts, the districts shall be represented as equally as possible. The membership shall be bipartisan and gender balanced and each appointing authority under subsection 1 shall provide for representation of various age groups, racial minorities, economic groups, and representatives of identifiable geographically defined populations, all in reasonable relationship to the proportions in which these groups are present in the population of the commission area. 
  3.  a.  A vacancy on the commission shall be filled by appointment in the same manner as the original appointment. The county auditor shall notify the appropriate appointing authority of a vacancy.
  b.  The legislative appointing authorities shall be considered one appointing authority for the purpose of complying with this subsection. The senior legislative appointing authority in terms of length of legislative service shall convene the legislative appointing authorities to consult for the purpose of complying with this subsection.
91 Acts, ch 256, §41; 2010 Acts, ch 1061, §180