; or (2) a summary of the report of the review panel under subsection (d). 403. Nonscheduled review The head of the Office may direct a review under section 402 of an investment with respect to which sufficient complaints have been brought from 1 or more frontline communities or allies. 404. Availability Any review or analysis conducted, or other document prepared, under this title shall be made available to the public through the Office. V Subnational guidance 501. Guidance for development of implementation plans (a) Definition of State implementation plan In this section, the term State implementation plan means a plan or a component of a plan established by a State to implement a Federal law or regulation with an environmental or climate change nexus. (b) Guidance Not later than 180 days after the date of enactment of this Act, the head of the Office shall issue guidance for States for the consideration of, and consultation with, frontline communities in the process of developing a State implementation plan.