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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 § 382.109: Preemption of State and local laws.

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: An employer is required by State or local law, regulation, or order to bargain with unionized employees over discretionary elements of the U.S. Department of Transportation (DOT) alcohol and drug testing regulations (e.g., selection of DHHS-approved laboratories or Medical Review Officer (MRO)s). May the employer defer the 1995 or 1996 implementation dates for testing employees until the collective bargaining process has produced agreement on these discretionary elements, or must the employer implement testing as required by part 382?

Guidance: The Federal Highway Administration (FHWA) provided large employers 45 weeks and small employers 97 weeks collectively to bargain the discretionary elements of the part 382 testing program. An employer must implement alcohol and controlled substances testing in accordance with the schedule in §382.115. If observance of the collective bargaining process would make it impossible for the employer to comply with these deadlines, §382.109(a)(1) preempts the State or local bargaining requirement to the extent needed to meet the implementation date.

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