805 ILCS 105/102.35: Incorporation of an association or society.

(a) When an unincorporated association or society, organized for any of the purposes for which a corporation could be formed under this Act, authorizes the incorporation of the association or society by the same procedure and affirmative vote of its voting members or delegates as its constitution, bylaws, or other fundamental agreement requires for an amendment to its fundamental agreement or, if no such vote is specified, by a majority vote of the voting members present at a duly convened meeting the purpose of which is stated in the notice of the meeting, then following the filing of articles of incorporation under Section 102.10 setting forth those facts and that the required vote has been obtained and upon the filing of the articles of incorporation, the association or society shall become a corporation and the members of the association or society shall become members of the corporation in accordance with provisions in the articles to that effect.

(b) Upon incorporation, all the rights, privileges, immunities, powers, franchise, authority, and property of the unincorporated association or society shall pass to and vest in the corporation, and all obligations of the unincorporated association or society shall become obligations of the corporation.