this subsection, for any siting, construction, or modification of a national interest electric transmission facility in that national interest electric transmission corridor. (ii) Review relating to designation of corridor If the Secretary has prepared an environmental review document with respect to the designation of a national interest electric transmission corridor under paragraph (2) or (5) of subsection (b)— (I) the Commission and any other Federal agency carrying out an environmental review with respect to the siting, construction, or modification of a national interest electric transmission facility in that national interest electric transmission corridor— (aa) shall rely on any findings of the environmental review document prepared by the Secretary in carrying out the environmental review of the Commission or other Federal agency, as applicable