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Regulations last checked for updates: May 14, 2025
Title 49 - Transportation last revised: Mar 20, 2025
All Titles
Title 49
Chapter VI
Part 655
Subpart E - Subpart E—Types of Testing
§ 655.41 - Pre-employment drug testing.
§ 655.42 - Pre-employment alcohol testing.
§ 655.43 - Reasonable suspicion testing.
§ 655.44 - Post-accident testing.
§ 655.45 - Random testing.
§ 655.46 - Return to duty following refusal to submit to a test, verified positive drug test result and/or breath alcohol test result of 0.04 or greater.
§ 655.47 - Follow-up testing after returning to duty.
§ 655.48 - Retesting of covered employees with an alcohol concentration of 0.02 or greater but less than 0.04.
§ 655.49 - Refusal to submit to a drug or alcohol test.
§ 655.50 - [Reserved]
authority:
49 U.S.C. 5331
(as amended);
49 CFR 1.91
source:
66 FR 42002, Aug. 9, 2001, unless otherwise noted.
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