Court Forms and Instructions. Completing the Forms.STEP 1: USING BLACK INK ONLY, Fill out the "Civil Cover Sheet. " â–« Write in "Maricopa" as the county. Perfection of security interests in property subject to certain statutes, regulations and treaties. In the beginning, seek the "Get Form" button and click on it. Wait until Chattel Agreement is ready. STEP 4: Fill out the "Civil Complaint" form. A civil complaint is a form a plaintiff files with the court clerk to begin a lawsuit. After you complete the forms, read the Procedures in this packet for guidelines about how to file the forms with the Clerk of Court.