Iowa Code § 476A.12: Rules.

The commission shall adopt rules pursuant to chapter 17A necessary to implement the provisions of this subchapter including but not limited to the promulgation of facility siting criteria, the form for an application for a certificate and an amendment to a certificate, the description of information to be furnished by the applicant, the determination of what constitutes a significant alteration to a facility, and the establishment of minimum guidelines for public participation in the proceeding.