49 C.F.R. § 382.309 Return-to-duty testing.
Title 49 - Transportation
The requirements for return-to-duty testing must be performed in accordance with 49 CFR part 40, Subpart O.
Title 49: Transportation
PART 382—CONTROLLED SUBSTANCES AND ALCOHOL USE AND TESTING
Subpart C—Tests Required
§ 382.309 Return-to-duty testing.
