372.09 Elections held only once in five years.
When an election for a change of county seat has been held in any county, a subsequent election for the removal of the county seat shall not be held, notice of intention to circulate a petition for a change shall not be published or posted, and a petition shall not be circulated, for the next five years. A subsequent election shall not be ordered unless the petition for the change is signed by 60 percent of those voting in the county at the last preceding general election.
Official Publication of the State of Minnesota
Revisor of Statutes