{"data":{"id":"us/45-cfr-640.1","jurisdiction":"us","citation":"45 CFR 640.1","heading":"Purpose.","body":"The purpose of this regulation is to adopt NSF procedures to supplement regulations at 40 CFR parts 1500 through 1508 (hereafter referred to as “CEQ regulations”).","path":["Title 45—Public Welfare","Subtitle B—Regulations Relating to Public Welfare","CHAPTER VI—NATIONAL SCIENCE FOUNDATION","PART 640—COMPLIANCE WITH THE NATIONAL ENVIRONMENTAL POLICY ACT"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-45.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:21Z","sha256":"0e9329055b33057f60197de09083fb9415df53e4da9a3fa11a419b649e665b4d","source_id":"us-cfr","stale":true,"prev":"us/45-cfr-630.670","next":"us/45-cfr-640.2"},"notice":"GroundRules: Original legal text. Not legal advice."}