(a) Secretary. Nothing in this part shall be construed to deprive the Secretary of any power conferred upon him by law. The authority reserved to the Secretary includes, but is not limited to:
(1) The authority to take jurisdiction at any stage of any case before any employee or employees of the Department, including any administrative law judge or Board of the Office, except a case before the Board of Contract Appeals which is subject to the Contract Disputes Act of 1978, and render the final decision in the matter after holding such hearing as may be required by law; and
(2) The authority to review any decision of any employee or employees of the Department, including any administrative law judge or Board of the Office, or to direct any such employee or employees to reconsider a decision, except a decision by the Board of Contract Appeals which is subject to the Contract Disputes Act of 1978.
(b) The Director. Except for cases or decisions subject to the Contract Disputes Act of 1978, the Director, pursuant to his delegated authority from the Secretary, may assume jurisdiction of any case before any Board of the Office or review any decision of any Board of the Office or direct reconsideration of any decision by any Board of the Office.
(c) Exercise of Reserved Power. If the Secretary or Director assumes jurisdiction of a case or reviews a decision, the parties and the appropriate Departmental personnel will be advised in writing of such action, the administrative record will be requested, and, after the review process is completed, a written decision will be issued.