(55 ILCS 5/5-1004) (from Ch. 34, par. 5-1004)
    Sec. 5-1004. Exercise of corporate powers. The powers of the county as a body corporate or politic, shall be exercised by a county board, to wit: In counties under township organization (except the County of Cook), by the county board members elected under Division 2-3; in the County of Cook, by a board of county commissioners, pursuant to Section 3 of Article VII of the Illinois Constitution; in counties not under township organization, by the board of county commissioners.
(Source: P.A. 86-962.)