720 ILCS 685/5: Penalty.

(a) Any person who shall knowingly violate, or shall knowingly cause the violation of any provision of this Act other than subsection (a-5) or (b-5) of Section 4 shall be guilty of a Class C misdemeanor.

(b) Any person who knowingly violates or knowingly causes the violation of subsection (a-5) of Section 4 is guilty of a petty offense for which the offender may be fined an amount as follows:

(1) For a first offense, not less than $100 and not more than $500.

(2) For a second offense within a 2-year period, not less than $250 and not more than $500.

(3) For a third or subsequent offense within a 2-year period, not less than $500 and not more than $1,000.

(c) Any person who knowingly violates or knowingly causes the violation of subsection (b-5) of Section 4 is guilty of a petty offense for which the offender shall be fined an amount of not less than $100 and not more than $1,000.