Illinois Statutes Chapter 625. Vehicles § 5/6-516. Implied consent requirements for commercial motor vehicle drivers

(a) Effective April 1, 1992, any person who drives a commercial motor vehicle upon the highways is hereby deemed to have given consent to submit to a test or tests, subject to the provisions of Section 11-501.2 of this Code, of such person's breath, blood or urine for the purpose of determining the presence of alcohol, or other drugs, in such person's system.

(b) A test or tests may be administered at the direction of a law enforcement officer, who after stopping or detaining the commercial motor vehicle driver, has probable cause to believe that driver was driving a commercial motor vehicle while having alcohol or any amount of a drug, substance, or compound resulting from the unlawful use or consumption of cannabis listed in the Cannabis Control Act,  1 a controlled substance listed in the Illinois Controlled Substances Act,  2 or methamphetamine as listed in the Methamphetamine Control and Community Protection Act in such driver's system.

(c) Effective April 1, 1992, any person who operates a school bus at the time of a crash involving the school bus is hereby deemed to have given consent to submit to a test or tests to be administered at the direction of a law enforcement officer, subject to the provisions of Section 11-501.2 of this Code, of the driver's breath, blood or urine for the purpose of determining the presence of alcohol, or other drugs, in the person's system.