May an employer require an employee to sign a consent or release form in connection with a DOT drug and alcohol test? § 40.27
No, as an employer, you must not require an employee to sign a consent, release, waiver of liability, or indemnification agreement with respect to any part of the drug or alcohol testing process covered by this part (including, but not limited to, collections, laboratory testing, MRO and SAP services).
[66 FR 41950, Aug. 9, 2001]