805 ILCS 310/22
No corporation or association hereafter organized or doing business for profit in this State shall be entitled to use the term "Co-operative" as a part of its corporate or other business name or title unless it has complied with the provisions of this Act, except (1) a corporation organized under the Business Corporation Act of 1983 for the purpose of ownership or administration of residential property on a cooperative basis, (2) a cooperative corporation organized under the General Not For Profit Corporation Act of 1986 or its predecessor or successor statutes, or (3) a limited worker cooperative association organized under the Limited Worker Cooperative Association Act. Any corporation or association violating the provision of this Section may be enjoined from doing business under such name at the instance of any shareholder of any association or corporation organized under this Act.
805 ILCS 310/22