No driver shall refuse to submit to a pre-employment controlled
substance test required under §382.301, a post-accident
alcohol or controlled substance test required under §382.303, a random alcohol
or controlled substances test required under §382.305, a reasonable
suspicion alcohol or controlled substance test required under §382.307, a return-to-duty
alcohol or controlled substances test required under §382.309, or a follow-up
alcohol or controlled substance test required under §382.311. No employer
shall permit a driver who refuses to submit to such tests to
perform or continue to perform safety-sensitive functions.
[66 FR 43106, Aug. 17, 2001; 77 FR 4483, Jan. 30, 2012]