{"data":{"id":"us/49-cfr-219.102","jurisdiction":"us","citation":"49 CFR 219.102","heading":"Prohibition on abuse of controlled substances.","body":"No regulated employee may use a controlled substance at any time, whether on duty or off duty, except as permitted by § 219.103.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 219—CONTROL OF ALCOHOL AND DRUG USE","Subpart B—Prohibitions"],"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":"fcf416dca79f46c3195709383cc85a21a7463ccf28865426ece22598df04e1a2","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-219.101","next":"us/49-cfr-219.103"},"notice":"GroundRules: Original legal text. Not legal advice."}