(a) Except as provided by Subsection (b), an ownership interest owned by the domestic entity that is the issuer of the interest, or by its direct or indirect subsidiary, may not be:
(1) directly or indirectly voted at a meeting; or
(2) included in determining at any time the total number of outstanding ownership interests of the domestic entity.
(b) This section does not preclude a domestic or foreign entity from voting an ownership interest, including an interest in the entity, held or controlled by the entity in a fiduciary capacity or for which the entity otherwise exercises voting power in a fiduciary capacity.