49 C.F.R. § 199.221 Use following an accident.
Title 49 - Transportation
Each operator shall prohibit a covered employee who has actual knowledge of an accident in which his or her performance of covered functions has not been discounted by the operator as a contributing factor to the accident from using alcohol for eight hours following the accident, unless he or she has been given a post-accident test under §199.225(a), or the operator has determined that the employee's performance could not have contributed to the accident.
Title 49: Transportation
PART 199—DRUG AND ALCOHOL TESTING
Subpart C—Alcohol Misuse Prevention Program
§ 199.221 Use following an accident.
