Minn. Stat. § 412.581

In any city operating under Optional Plan A except a city having a larger council under Minnesota Statutes 1994, section 412.023, subdivision 4 , the council shall be composed of five or seven members consisting, except during the initial period of its operation as provided in section 412.571 , of the mayor and four or six council members and, except as provided in that section, the clerk and treasurer or clerk-treasurer shall be appointed by the council for indefinite terms.