(720 ILCS 5/32-6) (from Ch. 38, par. 32-6)
Sec. 32-6. Performance of unauthorized acts.
A person who performs any of the following acts, knowing that his performance is not authorized by law, commits a Class 4 felony:
(a) Conducts a marriage ceremony; or
(b) Acknowledges the execution of any document which by law may be recorded; or
(c) Becomes a surety for any party in any civil or criminal proceeding, before any court or public officer authorized to accept such surety.
(Source: P.A. 77-2638)