110 ILCS 30/2
Such acting trustees may make, sign and acknowledge and file in the office of the Secretary of State articles of incorporation of such corporation. The requisites of such articles of incorporation, the issuance of the certificate of incorporation by the Secretary of State and the recording of such articles and certificate, and the effect thereof, shall be in accordance with and be governed by the provisions of sections 29, 30 and 31 of "An Act to revise the law relating to corporations not for pecuniary profit", approved July 17, 1943, excepting only that said articles of incorporation shall additionally set forth (a) the name and location of the institution proposed to be operated by such corporation, (b) a verified copy of said will, deed or other instrument referred to in Section 1 hereof and (c) who shall compose the members of the corporation; and excepting also that the provisions of said articles of incorporation shall not be violative of or inconsistent with the law or any provision of such will, deed or other instrument so referred to. If said articles of incorporation make no provision as to the membership of such corporation, the persons acting as directors from time to time shall compose the members of such corporation.
110 ILCS 30/2