Illinois Supreme Court Rules

Rule 282

(a) Commencement of Actions. An action on a small claim may be commenced by paying to the clerk of the court the required filing fee and filing a short and simple complaint setting forth (1) plaintiff's name, residence address, and telephone number, (2) defendant's name and place of residence, or place of business or regular employment, and (3) the nature and amount of the plaintiff's claim, giving dates and other relevant information. If the claim is based upon a written instrument, a copy thereof or of so much of it as is relevant must be copied in or attached to the original and all copies of the complaint, unless the plaintiff attaches to the complaint an affidavit stating facts showing that the instrument is unavailable to him.