Rule 30.06 - DEFENDANT'S DEMAND FOR SPEEDY TRIAL(a) All demands for trial, pursuant to the Code of Criminal Procedure [725 ILCS 5/103-5(b) ], shall be made in the following manner:(1) In writing with proper caption and case number signed and dated by the defendant or the defendant's attorney;(2) A copy of the demand shall be served on the State' s Attorney in any manner permitted by Supreme Court Rules 11 and 12; and(3) A copy of the demand shall be filed with the Clerk of this Court with proof of service on the State's Attorney.(4) Notice of the demand shall be given to the assigned judge within 7 days following the filing of any speedy trial demand.(b) The requirements of Rule 30.06 are mandatory and a demand for trial that does not comply with the foregoing shall not be recognized unless the Court finds that the State had actual notice of defendant's trial demand and that the interests of justice require recognition of such demand.Ill. R. Cir. Ct. Dupage Cnty. 30.06