Iowa Code § 376.5: Publication of ballot.

Notice for each regular, special, primary, or runoff city election shall be published by the county commissioner of elections as provided in section 362.3, except that notice of a regular, primary, or runoff election may be published not less than four days before the date of the election. The published notice must list the names of all candidates, and must not contain any party designations. The published notice must include any question to be submitted to the voters. The notice may contain one or more facsimiles of the portion of the ballot containing the first arrangement of candidates as prescribed by section 49.31, subsection 2.