Iowa Admin. Code r. 721-7.5
7.5(2) Oral proceedings. The agency may, at any time, schedule an oral proceeding on a proposed rule. The agency shall schedule an oral proceeding on a proposed rule if, within 20 days after the published Notice of Intended Action, a written request for an opportunity to make oral presentations is submitted to the agency by the administrative rules review committee, a governmental subdivision, an agency, an association having not less than 25 members, or at least 25 persons. That request must also contain the following additional information:
7.5(3) Conduct of oral proceedings.
d. Conduct of proceeding. At an oral proceeding on a proposed rule, persons may make oral statements and make documentary and physical submissions, which may include data, views, comments or arguments concerning the proposed rule. Persons wishing to make oral presentations at such a proceeding are required to notify the agency at least one business day prior to the proceeding and indicate the general subject of their presentations. At the proceeding, those who participate shall indicate their names and addresses, identify any persons or organizations they may represent, and provide any other information relating to their participation deemed appropriate by the presiding officer. Oral proceedings shall be open to the public and shall be recorded by stenographic or electronic means.