Iowa Admin. Code r. 661-277.8
Complaints regarding the performance of any licensed contractor or technician, failure of a licensed contractor or technician to meet any of the requirements established in Iowa Code chapter 100C or this chapter or any other provision of law, or operation as an alarm system contractor or technician without licensure may be filed with the department. Complaints should be as specific as possible and clearly identify the contractor or technician against whom the complaint is filed. Complaints should be submitted in writing to the department. A complaint may be submitted anonymously, but if the name and contact information of the complainant are provided, the complainant may be notified of the disposition of the complaint.
Iowa Admin. Code r. 661-277.8