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Regulations Section Interpretation List

Below is a list of the sections that have interpretations available for the selected category. To view the interpretations for a given section, click on the subject link below. To return to the list of parts, use the Parts link above.

The eCFR is also searchable by keyword and other available options on the eCFR website. To search and browse regulations using the eCFR website, use the link below. For assistance, please send an email to FMCSA.
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Section Subject
367.20 Fees under the Unified Carrier Registration Plan and Agreement for each registration year until any subsequent adjustment in the fees becomes effective.
382.103 Applicability.
382.107 Definitions.
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 Penalties.
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.
383.3 Applicability.
383.5 Definitions.
383.21 Number of drivers' licenses.
383.23 Commercial driver's license.
383.31 Notification of convictions for driver violations.
383.33 Notification of driver's license suspensions.
383.37 Employer responsibilities.
383.51 Disqualification of drivers.
383.71 Driver application and certification procedures.
383.73 State procedures.
383.75 Third party testing.
383.77 Substitute for driving skills tests for drivers with military CMV experience.
383.91 Commercial motor vehicle groups.
383.93 Endorsements.
383.95 Restrictions.
383.113 Required skills.
383.131 Test manuals.
383.133 Test methods.
383.153 Information on the CLP and CDL documents and applications.
384.209 Notification of traffic violations.
384.211 Surrender of old licenses.
384.231 Satisfaction of State disqualification requirement.
385.403 Who must hold a safety permit?
385.415 What operational requirements apply to the transportation of a hazardous material for which a permit is required?
386.1 Scope of the rules in this part.
387.1 Purpose and scope.


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