20 ILCS 2610/12.5
Any person employed by the Illinois State Police who tests positive in accordance with established Illinois State Police drug testing procedures for any substance prohibited by the Illinois Controlled Substances Act or the Methamphetamine Control and Community Protection Act shall be discharged from employment. Any person employed by the Illinois State Police who tests positive in accordance with established Illinois State Police drug testing procedures for any substance prohibited by the Cannabis Control Act may be discharged from employment. Refusal to submit to a drug test, ordered in accordance with Illinois State Police procedures, by any person employed by the Illinois State Police shall be construed as a positive test, and the person shall be discharged from employment. The changes made in this Section by this amendatory Act of the 100th General Assembly shall apply to all pending and future incidents under this Section.
20 ILCS 2610/12.5