(CD) the exemption for federal agencies from requirements to prepare an environment impact statement (EIS), or an environmental assessment (EA), for actions that have already been covered in existing EAs or EISs —note 1. a conformance determination record may be based on the same or another agency's National Environmental Policy Act (NEPA) document that fully covers the proposed action —note 2. conformance determination records are one of four classes of NEPA of 1969 documentation, the other three being environmental impact statement, environmental assessment, and categorical exclusionThis definition last updated 10/25/2008