Historical textIn force on Oct. 1, 2001Source: annual CFR editions 2001–2016

§ 40.169 Where is other information concerning the role of MROs and the verification process found in this regulation?

Wording first on file in the 2001 annual edition, superseded November 13, 2017.

govinfo, 2001 edition ↗

Compare with

Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2001 edition's wording. An amendment that took effect between Oct. 1, 2001 and Oct. 1, 2001 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.

49 CFR § 40.169 — Where is other information concerning the role of MROs and the verification process found in this regulation?. Text in force on October 1, 2001. This wording effective October 1, 2001 to November 13, 2017. Source: govinfo, 2001 edition, https://www.govinfo.gov/app/details/CFR-2001-title49-vol1/CFR-2001-title49-vol1-sec40-169. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.169?asof=2001-10-01, on October 26, 2026. Unofficial compilation; verify against the official source.

You can find more information concerning the role of MROs in several sections of this part:

§ 40.3 - Definition.
§§ 40.47-40.49 - Correction of form and kit errors.
§ 40.67 - Role in direct observation and other atypical test situations.
§ 40.83 - Laboratory handling of fatal and correctable flaws.
§ 40.97 - Laboratory handling of test results and quantitative values.
§ 40.99 - Authorization of longer laboratory retention of specimens.
§ 40.101 - Relationship with laboratories; avoidance of conflicts of interest.
§ 40.105 - Notification of discrepancies in blind specimen results.
§ 40.171 - Request for test of split specimen.
§ 40.187 - Action concerning split specimen test results.
§ 40.193 - Role in “shy bladder” situations.
§ 40.195 - Role in cancelling tests.
§§ 40.199-40.203 - Documenting errors in tests.
§ 40.327 - Confidentiality and release of information.
§ 40.347 - Transfer of records.
§ 40.353 - Relationships with service agents.

Amendment history

3 distinct wordings on file since Oct. 1, 2001

Jan. 1, 2018 → June 21, 2024eCFR, day-precisediff vs. previous
[65 FR 79526, Dec. 19, 2000, as amended at 82 FR 52245, Nov. 13, 2017]
Nov. 13, 2017 → Jan. 1, 2018eCFR, day-precisediff vs. previous
Oct. 1, 2001 → Nov. 13, 2017annual editions 2001–2016viewing

A 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.