Iowa Code Title IX. Local Government [Chs. 331-420] § 336.5. Terms--vacancies

1. Of the trustees appointed in accordance with section 336.4 on boards consisting of nine members, three shall hold office for two years, three for four years, and three for six years; on boards consisting of seven members, two shall hold office for two years, two for four years, and three for six years; and on boards consisting of five members, one shall hold office for two years, two for four years, and two for six years, from the first day of July following their appointment in each case. At the first meeting of the board, members shall cast lots for their respective terms, reporting the result of such lot to the governing body of each jurisdiction forming the library district. All subsequent appointments, whatever the size of the board, shall be for terms of six years each.

2. A vacancy exists when a member ceases to be a resident of the jurisdiction the member represents or is absent for six consecutive regular meetings of the board.

3. Vacancies shall be filled for unexpired terms by the governing body of the jurisdiction represented by the vacancy.