Iowa Admin. Code r. 721-25.7
25.7(3) Any party to a complaint proceeding who wishes to request that the presiding officer be an administrative law judge employed by the department of inspections and appeals must file a written request within five days after service of a notice of proceedings which identifies the presiding officer as the state commissioner of elections or voter registration commission. The state commissioner of elections or voter registration commission may deny the request only upon a finding that one or more of the following apply: