Iowa Admin. Code r. 751-4.27
4.27(3) Notice of appeal. An appeal of a proposed decision is initiated by filing a timely notice of appeal with the commission. The notice of appeal must be signed by the appealing party or a representative of that party and contain a certificate of service. If a commission member or the commission initiates review of a proposed decision, the executive director shall mail a notice of review to all parties. The notice of appeal or the notice of review shall specify:
4.27(6) Briefs and arguments. Unless otherwise ordered, within 20 days of the notice of appeal or order for review, each appealing party may file exceptions and briefs. Within 20 days thereafter, any party may file a responsive brief. Briefs shall cite any applicable legal authority and specify relevant portions of the record in that proceeding. Written requests to present oral argument shall be filed with the briefs.
The commission may resolve the appeal on the briefs or provide an opportunity for oral argument. The commission may shorten or extend the briefing period as appropriate.