Complaint - Verified. Complaint sample. PDF.Complaint fill in. PDF. VERIFIED COMPLAINT: FORM UD-2. Field 1: Fill in the county in which the action is brought. The purpose of this site is to provide information from and about the Judicial Branch of the US Government. Just select the Complaint Form Template in the form builder. Use it right away, or drag and drop additional fields into the form preview to customize it. If you're receiving civil complaints straight from your site, then you want to be sure that the information gathered is accurate, confidential, and secure. This form is used in a court case in the Municipal Department of the Circuit Court of Cook County, Illinois.