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Reading the regulations as they stood on September 30, 2013. Current text may differ.Switch to current
Current textIn force on Sept. 30, 2013Source: annual CFR editions 2010–2016

§ 382.309 Return-to-duty testing.

Current wording, in the annual edition revised as of Oct. 1, 2010.

govinfo, 2012 edition ↗
Before Jan. 1, 2017 the record is one snapshot per annual CFR edition, revised as of October 1. This is the 2012 edition's wording. An amendment that took effect between Oct. 1, 2012 and Sept. 30, 2013 would not appear until the next edition, so check the citations below and the Federal Register for exact effective dates.

The requirements for return-to-duty testing must be performed in accordance with 49 CFR part 40, subpart O.

Amendment history

3 distinct wordings on file since Oct. 1, 1996
  1. Oct. 1, 2010 → presentannual editions 2010–2016diff vs. previousviewing
  2. Oct. 1, 1996 → Oct. 1, 2001annual editions 1996–2000

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.