The Docket Officer, Docket Operations Office, has the authority to coordinate and perform all administrative functions of the Department provided for in sections 2, 3 and 5 of Executive Order 12597 issued May 13, 1987, except that this delegation shall not include the exercise of the authority delegated by the President to the Secretary by sections 2 and 5 of that Order to determine not to disapprove orders of the Department in certain cases.