765 ILCS 745/6.27
In order to exercise the rights of a homeowners' association as provided in this Act, the mobile home owners shall form an association in compliance with this Section and Sections 6.28, 6.29, and 6.30, shall be a corporation or not-for-profit corporation and of which not less than two-thirds of all of the mobile home owners within the park shall have consented, in writing, to become members or shareholders. Upon incorporation of the association, all consenting mobile home owners in the park may become members or shareholders. "Member" or "shareholder" means a mobile homeowner who consents to be bound by the articles of incorporation, bylaws, and policies of the incorporated homeowners' association. The association may not have a member or shareholder who is not a bona fide owner of a mobile home located in the park. Upon incorporation and service of the notice described in Section 6.28, the association shall become the representative of all the mobile home owners in all matters relating to this Act, regardless of whether the homeowner is a member of the association.
765 ILCS 745/6.27