A school district located in whole or in part within a city having a population of twenty-five thousand one hundred or more may establish a pension and annuity retirement system for the public school teachers of such district. However, in cities having a population less than seventy-five thousand, establishment of the system shall be ratified by a vote of the people at a regular school election.
Iowa Code § 294.8
2009 Acts, ch 57, §79
Referred to in §294.11, 294.12