220 ILCS 10/4

(1) There is created a nonprofit public body corporate and politic to be known as the "Citizens Utility Board". Any utility consumer who has submitted a membership form and has contributed membership dues to the corporation in the preceding 12 months shall be a member of the corporation. A member may resign from membership at any time. (2) The board shall, upon certification of their nominations pursuant to subsection (2) of Section 12 and request by the candidate, within 5 days provide to each candidate for election to the board a current list of members residing in the candidate's district. Such list shall include the names and current addresses of members within such district, and may be used by the candidate only for election purposes. (3) Notwithstanding any other provision of this Act or any other provisions of law, if the corporation does not receive contributions from at least 10,000 citizens of this State within 3 years of the effective date of this Act, the corporation shall be dissolved.