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  • § 382.103
  • § 382.107
  • § 382.109
    Preemption of State and local laws.
  • § 382.113
    Requirement for notice.
  • § 382.115
    Starting date for testing programs.
  • § 382.121
    Employee admission of alcohol and controlled substances use.
  • § 382.205
    On-duty use.
  • § 382.213
    Controlled substance use.
  • § 382.301
    Pre-employment testing.
  • § 382.303
    Post-accident testing.
  • § 382.305
    Random testing.
  • § 382.307
    Reasonable suspicion testing.
  • § 382.309
    Return-to-duty testing.
  • § 382.401
    Retention of records.
  • § 382.403
    Reporting of results in a management information system.
  • § 382.405
    Access to facilities and records.
  • § 382.413
    Inquiries for alcohol and controlled substances information from previous employers.
  • § 382.501
    Removal from safety-sensitive function.
  • § 382.503
    Required evaluation and testing.
  • § 382.507
  • § 382.601
    Employer obligation to promulgate a policy on the misuse of alcohol and use of controlled substances.
  • § 382.603
    Training for supervisors.
  • § 382.605
    Referral, evaluation, and treatment.

Part 382

Section § 382.603: Training for supervisors.

Below are the available interpretations for the given section. To return to the list of parts, use the Parts link above. The menu to the left provides a full list of sections that have interpretations. To view interpretations for a different section, click on the menu item.

The regulations text of the section can be found on the eCFR website. To view the regulations text, use the link below. For assistance, please send an email to
View regulations for Part 382

Question 1: Does §382.603 require employers to provide recurrent training to supervisory personnel?

Guidance: No.

Question 2: May an employer accept proof of supervisory training for a supervisor from another employer?

Guidance: Yes.

Question 3: Are the reasonable suspicion testing and training requirements of §§382.307 and 382.603 applicable to an owner-operator who is both an employer and the only employee?

Guidance: No. The requirements of §§382.307 and 382.603 are not applicable to owner-operators in non-supervisory positions. §382.307 requires employers to have a driver submit to an alcohol and/or controlled substances test when the employer has reasonable suspicion to believe that the driver has violated the prohibitions of subpart B of part 382. Applying §382.307, Reasonable Suspicion Testing, to an owner-operator who is an employer and the only employee contradicts both “reason” and “suspicion” implicit in the title and the purpose of §382.307. A driver who has self-knowledge that he/she has violated the prohibitions of subpart B of part 382 is beyond mere suspicion. Furthermore, §382.603 requires “all persons designated to supervise drivers” to receive training that will enable him/her to determine whether reasonable suspicion exists to require a driver to undergo testing under §382.307. An owner-operator who does not hire or supervise other drivers is not in a supervisory position, no rare they subject to the testing requirements of §382.307. Therefore, such an owner-operator would not be subject to the training requirements of §382.603.

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