{"data":{"id":"us/40-cfr-121.2","jurisdiction":"us","citation":"40 CFR 121.2","heading":"When certification is required.","body":"Certification or waiver is required for any Federal license or permit that authorizes any activity which may result in any discharge from a point source into waters of the United States.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 121—STATE CERTIFICATION OF ACTIVITIES REQUIRING A FEDERAL LICENSE OR PERMIT","Subpart A—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"10e417b09291d99ca45d4ef3f5b49774f45732a36311687f235da61378a77301","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-121.1","next":"us/40-cfr-121.3"},"notice":"GroundRules: Original legal text. Not legal advice."}