Current textIn force on Sept. 30, 2016Source: annual CFR editions 2001–2016
§ 40.165 To whom does the MRO transmit reports of drug test results?
Current wording, first on file in the 2001 annual edition.
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2015 edition's wording. An amendment that took effect between Oct. 1, 2015 and Sept. 30, 2016 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 40.165 — To whom does the MRO transmit reports of drug test results?. Text in force on September 30, 2016. This wording effective October 1, 2001 to present. Source: govinfo, 2015 edition, https://www.govinfo.gov/app/details/CFR-2015-title49-vol1/CFR-2015-title49-vol1-sec40-165. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.165?asof=2016-09-30, 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.