Iowa Code § 49.120: Promise of position.

It shall be unlawful for any candidate for any office to be voted for at any election, prior to nomination or election, to promise, either directly or indirectly, to support or use the candidate’s influence in behalf of any person or persons for any position, place, or office, or to promise directly or indirectly to name or appoint any person or persons to any place, position, or office in consideration of any person or persons supporting the candidate or using the person’s influence in securing the candidate’s nomination, election, or appointment.