; or (B) public lands. (6) Secretary concerned The term Secretary concerned means— (A) with respect to National Forest System lands, the Secretary of Agriculture; and (B) with respect to public lands, the Secretary of the Interior. ; (3) by amending subsection (b) to read as follows: (b) Authority The Secretary concerned may carry out insect and disease treatment programs in a qualified forest that meets the requirements specified in subsection (c). ; (4) in subsection (c), by striking To be designated a landscape-scale area under subsection (b), the area shall be and inserting The Secretary concerned may only carry out projects under subsection (b) in a qualified forest that is ; and (5) in subsection (d)(1), by striking on Federal land in the areas designated .