49 C.F.R. § 382.209 Use following an accident.
Title 49 - Transportation
No driver required to take a post-accident alcohol test under §382.303 shall use alcohol for eight hours following the accident, or until he/she undergoes a post-accident alcohol test, whichever occurs first.
Title 49: Transportation
PART 382—CONTROLLED SUBSTANCES AND ALCOHOL USE AND TESTING
Subpart B—Prohibitions
§ 382.209 Use following an accident.