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§40.5 Who issues authoritative interpretations of this regulation?

RegSenseEnglishFleet SafetyDrug testing - Motor CarrierCFR RegulationsDrug and Alcohol Testing - DOTOffice of the Secretary of TransportationFocus AreaCFR SectionAlcohol testing - Motor CarrierTransportationUSA

ODAPC and the DOT Office of General Counsel (OGC) provide written interpretations of the provisions of this part. These written DOT interpretations are the only official and authoritative interpretations concerning the provisions of this part. DOT agencies may incorporate ODAPC/OGC interpretations in written guidance they issue concerning drug and alcohol testing matters. Only Part 40 interpretations issued after August 1, 2001, are considered valid.

['Drug and Alcohol Testing - DOT']
['Alcohol testing - Motor Carrier', 'Drug testing - Motor Carrier']
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