Iowa Code § 39.5: Notice of bond election.

In addition to any other notice related to the election required by law to be published, posted, or provided, if the election is subject to section 39.2, subsection 4, paragraph “d”, the commissioner shall not less than ten nor more than twenty days before the day of each election mail to each registered voter of the applicable jurisdiction a notice of the election that includes the full text of the public measure to be voted upon at the election.