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CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 200–269) > PART 219—CONTROL OF ALCOHOL AND DRUG USE > SUBPART B—Prohibitions (§219.101 to §219.107) > 219.102—Prohibition on abuse of controlled substances.
219.102—Prohibition on abuse of controlled substances.
No employee who performs covered service may use a controlled substance at any time, whether on duty or off duty, except as permitted by § 219.103.