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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-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
Question 2: Does the FMCSA have authority to enforce the safe loading requirements against a shipper that is not the motor carrier? FMCSA-DRV-392.9-Q002 Inspection of cargo and cargo securement
May the time a driver spends attending safety meetings, ceremonies, celebrations, or other company-sponsored safety events be recorded as off-duty time? FMCSA-HOS-395.2-Q19 Hours of Service Definitions
May a bus being operated by a for-hire motor carrier of passengers, under contract with a governmental agency to provide transportation of prisoners in interstate commerce, be allowed to operate with security bars covering the emergency push-out windows a FMCSA-VEH-393.62-Q01 May buses for prisoners block the emergency push-out windows?
Driver vehicle inspection report FMCSA-VM-396.11-Q015 Driver vehicle inspection report
If a driver’s record of duty status is not signed, may enforcement action be taken on the current day’s record if it contains false information? FMCSA-HOS-395.3-Q03 Hours of Service Maximum Driving Time
Does the GVWR apply to the power unit only? FMCSA-INS-387.3-Q002 Calculation of GVWR
Question 1: Under what conditions may a vehicle that has been placed ‘‘out of service’’ under § 396.3 be moved? FMCSA-VM-396.9-Q001 Vehicle inspections
Is the tillerman who controls the steerable rear axle of a vehicle so equipped a driver subject to the FMCSRs while operating in interstate commerce? FMCSA-RG-390.5T-Q014 Applicability of FMCSRs to tillermen