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Rulebook › 49 CFR Part 382

§ 382.309 Return-to-duty testing.

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

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The requirements for return-to-duty testing must be performed in accordance with 49 CFR part 40, subpart O.

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