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382.503

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If (1) a driver has a verified positive test result for controlled substances or an alcohol concentration of 0.04 or greater and (2) the driver subsequently obtains a verified negative result for controlled substances or a test result of less than 0.04 al

Section § 382.503: Required evaluation and testing.

Guidance Q&A

Question 1: If (1) a driver has a verified positive test result for controlled substances or an alcohol concentration of 0.04 or greater and (2) the driver subsequently obtains a verified negative result for...

Requirements for Positives or Refusals: A CDL driver tests positive, or refuses to take, a DOT drug or alcohol test. What must the driver do to be able to resume performing safety sensitive functions, such as operating any type of commercial motor vehicle

Guidance about the return-to-duty requirement.

Question

Requirements for Positives or Refusals: A CDL driver tests positive, or refuses to take, a DOT drug or alcohol test. What must the driver do to be able to resume performing safety sensitive functions, such as operating any type...

Self-Admission: A driver admits to a company official that they have used a controlled substance, as defined in the National Institute of Drug Abuse (NIDA-5) for a 5 panel DOT drug test; however, the self-admission either does not meet the criteria under

Guidance on employee admissions

Question:

Self-Admission: A driver admits to a company official that they have used a controlled substance, as defined in the National Institute of Drug Abuse (NIDA-5) for a 5 panel DOT drug test; however, the self-admission either does not meet the...