(1)
in subsection (a), by striking and may retain and inserting and may, except as provided in subsection (f), retain ;
(2)
in subsection (b), by striking The Secretary concerned and inserting Except as provided in subsection (f), the Secretary concerned ;
(3)
by redesignating subsection (f) as subsection (g); and
(4)
by inserting after subsection (e) the following new subsection: