805 ILCS 180/30-1: Member's distributional interest.

(a) A member is not a co-owner of, and has no transferable interest in, property of a limited liability company.

(b) A distributional interest in a limited liability company is personal property and, subject to Sections 30-5 and 30-10, may be transferred in whole or in part.

(c) An operating agreement may provide that a distributional interest may be evidenced by a certificate of the interest issued by the limited liability company and, subject to Section 30-10, may also provide for the transfer of any interest represented by the certificate.

(d) Except as provided in subsection (b), the rights, powers, and interest of a member, including a member described in subsection (c) of Section 10-1, may not be transferred except in accordance with authority described in the operating agreement or if all other members consent.