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Current textIn force on Sept. 30, 2010Source: annual CFR editions 2008–2016

§ 40.183 What information do laboratories report to MROs regarding split specimen results?

Current wording, in the annual edition revised as of Oct. 1, 2008.

govinfo, 2009 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2009 edition's wording. An amendment that took effect between Oct. 1, 2009 and Sept. 30, 2010 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.
49 CFR § 40.183 — What information do laboratories report to MROs regarding split specimen results?. Text in force on September 30, 2010. This wording effective October 1, 2008 to present. Source: govinfo, 2009 edition, https://www.govinfo.gov/app/details/CFR-2009-title49-vol1/CFR-2009-title49-vol1-sec40-183. Retrieved from FMCSR.com, https://fmcsr.com/reg/40.183?asof=2010-09-30, on October 26, 2026. Unofficial compilation; verify against the official source.

(a) As the laboratory responsible for testing the split specimen, you must report split specimen test results by checking the “Reconfirmed” box and/or the “Failed to Reconfirm” box (Step 5(b)) on Copy 1 of the CCF, as appropriate, and by providing clarifying remarks using current HHS Mandatory Guidelines requirements.

(b) As the laboratory certifying scientist, enter your name, sign, and date the CCF.

[65 FR 79526, Dec. 19, 2000, as amended at 73 FR 35972, June 25, 2008]

Amendment history

2 distinct wordings on file since Oct. 1, 2001
  1. Oct. 1, 2008 → presentannual editions 2008–2016diff vs. previousviewing
    [65 FR 79526, Dec. 19, 2000, as amended at 73 FR 35972, June 25, 2008]
  2. Oct. 1, 2001 → Oct. 1, 2008annual editions 2001–2007

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.