STEP 1: USING BLACK INK ONLY, Fill out the "Civil Cover Sheet. " â–« Write in "Maricopa" as the county.File a lawsuit against the landlord or another party wrongfully in the rental unit. You may also fill out the Complaint online using the "civil forms" link. 3. Filing a Complaint Complete an online civil rights complaint form. Buyer-Seller Disputes, Dispute Resolution Forms, Code of Ethics. This list of commonly-asked questions may assist you prior to filing a complaint. You are responsible for filing your case in the correct court. Complete the summons and complaint forms. The primary purpose of this form is to formalize the complaint of a landlord seeking repossession of rented property due to the tenant's failure to pay rent.