"Law" includes not only enactments but also the case law applicable within this State as determined and declared from time to time by the courts of review of this State and of the United States.
745 ILCS 10/1-205
"Law" includes not only enactments but also the case law applicable within this State as determined and declared from time to time by the courts of review of this State and of the United States.
745 ILCS 10/1-205