§ 382.209 Use following an accident.

PART 382—CONTROLLED SUBSTANCES AND ALCOHOL USE AND TESTING, last amended 2016-12-12

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.

Official text from the eCFR. The eCFR is an authoritative but unofficial editorial compilation; the Federal Register is the legal source.