805 ILCS 180/40-5: Proper plaintiff.

No action shall be brought in the right of a limited liability company by a member or transferee who is a substituted member, unless (i) the plaintiff was a member or is a transferee who was a substituted member at the time of the transaction of which the person complains or (ii) the person's status as a member or a transferee who is a substituted member had devolved upon him or her by operation of law or under the terms of the operating agreement from a person who was a member or a transferee who was a substituted member at the time of the transaction.