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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
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
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
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
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
How does a student enrolled in a driver training school comply with the requirement to pass a road test? FMCSA-DQ-391.31-Q002 Road test
Do refrigeration units on tractor-trailer combinations fall within the exemption listed in part 325, subpart A of the Federal Motor Carrier Safety Regulations? FMCSA-NOISE-325.1-Q002 Motor Carrier Noise Emission Standards
Section § 382.605: Referral, evaluation, and treatment. FMCSA-D&A-382.605-Q07 Returning to Duty Before SAP Evaluation