You must file and serve all documents related to an application for an award under this subpart on all other parties to the proceeding in the same manner as other pleadings in the proceeding, except as provided in § 4.611(c) for confidential information. The Department or other agency and all other parties must likewise file and serve their pleadings and related documents on you and on each other, in the same manner as other pleadings in the proceeding.