Illinois Statutes Chapter 815. Business Transactions § 535/1. Disclosure or conveyance of information; misdemeanor

§ 1. It is a Class A misdemeanor for any person, including an individual, firm, corporation, association, partnership, joint venture, or any employee or agent thereof, to disclose, or to convey a list of names prepared on the basis of any information obtained in the business of preparing federal or state income tax returns or assisting taxpayers in preparing such returns, including the disclosure or conveyance of such information between separate departments of the same firm, corporation, association, partnership, or joint venture, unless such disclosure or conveyance is within any of the following: