{"data":{"id":"us/49-cfr-107.309","jurisdiction":"us","citation":"49 CFR 107.309","heading":"Warning letters.","body":"(a) The Associate Administrator may issue a warning letter to any person whom the Associate Administrator believes to have committed a probable violation of the Federal hazardous material transportation law, the Federal Water Pollution Control Act, or any provision of this subchapter, subchapter B of this chapter, subchapter C of this chapter, or any special permit issued thereunder.\n(b) A warning letter issued under this section includes:\n(1) A statement of the facts upon which the Associate Administrator bases its determination that the person has committed a probable violation;\n(2) A statement that the recurrence of the probable violations cited may subject the person to enforcement action; and\n(3) An opportunity to respond to the warning letter by submitting pertinent information or explanations concerning the probable violations cited therein.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER A—HAZARDOUS MATERIALS AND OIL TRANSPORTATION","PART 107—HAZARDOUS MATERIALS PROGRAM PROCEDURES","Subpart D—Enforcement"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"ed43dd9b80db9b6769e7c1b8b37744c495cea5c2b3d11f18bef6465366aa1a73","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-107.307","next":"us/49-cfr-107.310"},"notice":"GroundRules: Original legal text. Not legal advice."}