49 C.F.R. § 199.235 Required evaluation and testing.
Title 49 - Transportation
No operator shall permit a covered employee who has engaged in conduct prohibited by §§199.215 through 199.223 to perform covered functions unless the employee has met the requirements of §199.243.
Title 49: Transportation
PART 199—DRUG AND ALCOHOL TESTING
Subpart C—Alcohol Misuse Prevention Program
§ 199.235 Required evaluation and testing.
