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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
49 CFR § 390.3T General Applicability Question 24 FMCSA-RG-390.3T-Q024 FMCSA jurisdiction over drivers operating only occasionally in interstate commerce
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
Driver vehicle inspection report FMCSA-VM-396.11-Q011 Driver vehicle inspection report
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
Can an employer overrule an SAP treatment recommendation? FMCSA-D&A-382.605-Q8 SAP Evaluation and Employer Role in Return to Duty Testing
Section § 382.605: Referral, evaluation, and treatment FMCSA-D&A-382.605-Q01 Guidance on SAP evaluation
Is a motor carrier transporting liquefied petroleum gas (LPG) in any quantity required to have $1,000,000 or $5,000,000 of financial responsibility coverage? FMCSA-INS-387.9-Q002 Financial Responsibility requirements for a motor carrier carrying Liquefied Petroleum Gas