The Secretary concerned, after final review of the report of a selection board under
section 14110 of this title, shall submit the report with the Secretary’s recommendations, to the Secretary of Defense for transmittal by the Secretary to the President for approval or disapproval. If the authority of the President to approve or disapprove the report of a promotion board is delegated to the Secretary of Defense, that authority may not be redelegated except to an official in the Office of the Secretary of Defense.