(a) Required Disclosure. Any nongovernmental corporation that is a party to an adversary proceeding, other than the debtor, shall file a statement that identifies any parent corporation and any publicly held corporation that owns 10% or more of its stock or states that there is no such corporation. The same requirement applies to a nongovernmental corporation that seeks to intervene.
(b) Time for Filing; Supplemental Filing. The corporate ownership statement shall:
(1) be filed with the corporation's first appearance, pleading, motion, response, or other request addressed to the court; and
(1) be supplemented whenever the information required by this rule changes.