30 ILCS 500/50-15: Negotiations.

(a) It is unlawful for any person employed in or on a continual contractual relationship with any of the offices or agencies of State government to participate in contract negotiations on behalf of that office or agency with any firm, partnership, association, or corporation with whom that person has a contract for future employment or is negotiating concerning possible future employment.

(b) Any person convicted of a violation of this Section is guilty of a business offense and shall be fined not less than $1,000 nor more than $5,000.