Section 6002 of SAFETEA-LU, "Efficient Environmental Reviews for Project Decision-Making".  Download file. [PDF 48kb]

EPA, "Filing System Guidance for Implementing 1506.9 and 1506.10 of the CEQ Regulations" (March 7, 1989, as amended), available at: http://www.epa.gov/compliance/resources/policies/nepa/fileguide.html#filing.

NPS, Director’s Order 12, "Conservation Planning, Environmental Impact Analysis, and Decision Making; Section 4.6, The Final EIS” (Jan. 8, 2001), available at:
http://www.nature.nps.gov/protectingrestoring/DO12Site/04_EISs/046_final.htm