Current textIn force on Aug. 23, 2021Source: eCFR
§ 40.165 To whom does the MRO transmit reports of drug test results?
Current wording, first on file in the 2001 annual edition.
49 CFR § 40.165 — To whom does the MRO transmit reports of drug test results?. Text in force on August 23, 2021. This wording effective October 1, 2001 to present. Source: eCFR as of August 23, 2021, https://www.ecfr.gov/on/2021-08-23/title-49/section-40.165. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.165?asof=2021-08-23, on October 26, 2026. Unofficial compilation; verify against the official source.
(a) As the MRO, you must report all drug test results to the DER, except in the circumstances provided for in § 40.345 .
(b) If the employer elects to receive reports of results through a C/TPA, acting as an intermediary as provided in § 40.345 , you must report the results through the designated C/TPA.
Amendment history
1 distinct wording on file since Oct. 1, 2001A new entry appears whenever the regulatory words change between government snapshots. Day-precise from the eCFR (2017 onward); before that, one snapshot per annual CFR edition (revised as of October 1). Bracketed citations are the Federal Register history printed with the section.