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Regulatory Guidance

Welcome to the FMCSA Guidance Portal. This web portal is a searchable, indexed database that contains and links to all guidance documents in effect from the Federal Motor Carrier Safety Administration. The guidance documents lack the force and effect of law, unless expressly authorized by statute or incorporated into a contract.

To comment on any guidance document, or to request issuance, reconsideration, modification, or rescission of any guidance document, please identify the guidance document in your request and send it to: FMCSAguidance@dot.gov. NOTE: The FMCSAguidance mailbox is not intended to serve as a mailbox for general inquiries. For inquiries that go beyond the limited purpose of the FMCSAguidance mailbox, please call FMCSA's Information Line (800-832-5660) or visit FMCSA's "Contact Us" page to send your inquiry to the appropriate mailbox.

Subject Agency Identifier Topic Issued Date
Section § 382.605: Referral, evaluation, and treatment. FMCSA-D&A-382.605-Q08 SAP Evaluation and Employer Role in Return to Duty Testing
Is a driver who possesses a valid commercial driver’s license (CDL) issued by their State of residence, but who is suspended by another State for reasons unrelated to the violation of a motor vehicle traffic control law, disqualified from operating a comm FMCSA-DQ-391.15-Q010 Driver disqualification
Is a motor vehicle owned by an owner-operator, and being dead-headed (returning empty), or a tractor that is being bobtailed (operating without a trailer), subject to the financial responsibility regulations? FMCSA-INS-387.3-Q005 Applicability of Financial Responsibility Regulations to Deadheading and Bobtailing
May a State require a higher level of financial responsibility coverage than is required by part 387? FMCSA-INS-387.25-Q001 State Financial Responsibility Requirements for passenger carriers
Can an employee who has violated the rules return to safety-sensitive functions prior to receiving an SAP evaluation? FMCSA-D&A-382.605-Q7 Returning to Duty Before SAP Evaluation
May a large corporation which has many wholly-owned subsidiaries have one policy of insurance for the parent corporation and maintain the policy and Form MCS-90B at the corporate headquarters? FMCSA-INS-387.31-Q001 Need for large corporation with many subsidiaries to have more than one insurance policy
How would the DVIR requirements apply to a driver who works two or more shifts in a single calendar day? FMCSA-VM-396.11-Q024 Driver vehicle inspection reports
Driver vehicle inspection report FMCSA-VM-396.11-Q011 Driver vehicle inspection report
Is gasoline listed as a hazardous material, and, if so, what is the minimum level of financial responsibility currently required? FMCSA-INS-387.9-Q001 Minimum level of financial responsibility for carrying gasoline
Section § 382.605: Referral, evaluation, and treatment. FMCSA-D&A-382.605-Q03 SAP Certification Rules