§40.353 What principles govern the interaction between MROs and other service agents?
RegSenseMedical review officer (MRO) - Motor CarrierFleet SafetyDrug and Alcohol Testing - DOTCFR RegulationsOffice of the Secretary of TransportationConsortium: third-party administrator (TPA) - Motor CarrierCFR SectionSubstance abuse professional (SAP) - Motor CarrierFocus AreaEnglishTransportationUSA