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Legal Resources | Code of Federal Regulations, Title 49 |    382.311, 382.311  

Follow-up testing.   

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(a) Following a determination under Sec. 382.605(b) that a driver is in need of assistance in resolving problems associated with alcohol misuse and/or use of controlled substances, each employer shall ensure that the driver is subject to unannounced follow-up alcohol and/or controlled substances testing as directed by a substance abuse professional in accordance with the provisions of Sec. 382.605(c)(2)(ii).

(b) Follow-up alcohol testing shall be conducted only when the driver is performing safety-sensitive functions, just before the driver is to perform safety-sensitive functions, or just after the driver has ceased performing safety-sensitive functions.