Intelligence Authorization Act for Fiscal Year 2001…
“ Such official shall supervise the making of any modification under this subparagraph. Except when disabled or otherwise unavailable to supervise the making of any modification under the preceding sentence, such official may not delegate the responsibility to supervise the making of any modification under that preceding sentence. Each such official shall take appropriate actions in advance to ensure that delegation of such responsibility is clearly established in the event such official is disabled or otherwise unavailable to supervise the making of such modification. ”
