(a) Unless otherwise provided in an operating agreement of the company or by the written consent of all of the members of the company at the time, a limited liability company membership of a member that is a separate limited liability company terminates when the member dissolves and begins to wind up its affairs.
(b) Unless otherwise provided in an operating agreement of the company or by the written consent of all of the members of the company at the time, a limited liability company membership of a member that is a corporation terminates when the corporation is dissolved and 90 days lapse without reinstatement.