
When a driver in Illinois refuses to submit to or fails a chemical test for an alleged driving under the influence (DUI) offense, it can result in a statutory summary suspension of driving privileges. State law provides that a person fails a chemical test when they have a blood alcohol concentration (BAC) of 0.08 or more, a THC level above the legal limit, or other illicit substances in their system.
Statutory summary suspensions are automatic and become effective 46 days after the date of a suspension notice. People can request judicial hearings to challenge arrests, but the requests may not
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