Candidates for drainage district trustee shall have their names placed on printed ballots provided a petition therefor is signed by ten qualified voters of the district and filed with the clerk of the board at least twenty-five days but not more than sixty-five days before the election. Space shall also be provided on the ballot for write-in votes.
Iowa Code § 468.514
86 Acts, ch 1099, §3; 89 Acts, ch 126, §2 2001 Acts, ch 56, §36