805 ILCS 180/15-20: Actions by members.

(a) A member may maintain an action against a limited liability company, a manager, or another member for legal or equitable relief, with or without an accounting as to the company's business, to enforce all of the following:

(1) The member's rights under the operating agreement.

(2) The member's rights under this Act.

(3) The rights and otherwise protect the interests of the member, including rights and interests arising independently of the member's relationship to the company.

(b) The accrual, and any time limited for the assertion, of a right of action for a remedy under this Section is governed by other law. A right to an accounting upon a dissolution and winding up does not revive a claim barred by law.