§FMCSR.com
Current textIn force on March 10, 2026Source: eCFR

§ 40.51 What materials are used to send oral fluid specimens to the laboratory?

Current wording, effective June 1, 2023.

eCFR as of March 10, 2026 ↗
49 CFR § 40.51 — What materials are used to send oral fluid specimens to the laboratory?. Text in force on March 10, 2026. This wording effective June 1, 2023 to present. Source: eCFR as of March 10, 2026, https://www.ecfr.gov/on/2026-03-10/title-49/section-40.51. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.51?asof=2026-03-10, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) Except as provided in paragraph (b) of this section, you must use a shipping container that adequately protects the specimen bottles from damage in the transport of specimens from the collection site to the laboratory.

(b) You are not required to use a shipping container if a laboratory courier hand-delivers the specimens from the collection site to the laboratory.

[88 FR 27640, May 2, 2023]

Amendment history

4 distinct wordings on file since Oct. 1, 1996
  1. June 1, 2023 → presenteCFR, day-precisediff vs. previousviewing
    [88 FR 27640, May 2, 2023]
  2. May 2, 2023 → June 1, 2023eCFR, day-precisediff vs. previous
  3. Oct. 1, 2001 → May 2, 2023annual editions 2001–2016diff vs. previous
  4. Oct. 1, 1996 → Oct. 1, 2001annual editions 1996–2000
    [59 FR 7357, Feb. 15, 1994, as amended at 60 FR 19679, Apr. 20, 1995]

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.