50 ILCS 30/6.8
Each Council has the power to borrow money and to issue and sell or pledge to any person its notes, bonds or other evidences of indebtedness which may be a lien upon any rights or property of such Council, or may be secured by a lien upon its revenue or upon the revenue of any project of such Council.
(from Ch. 85, par. 1206.8)
(Source: Laws 1965, p. 2861.)