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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
How does a Mexican motor carrier demonstrate that its insurance company complies with §387.11? FMCSA-INS-387.11-Q001 Mexican carrier compliance with 387.11
May the motor carrier meet the financial responsibility requirements by aggregating insurance in layers? FMCSA-INS-387.15-Q001 Aggregation of insurance to meet financial responsibility requirements
Question 2: May a driver who does not have the necessary experience perform the adjustment under directions issued by telephone by a qualified inspector? FMCSA-VM-396.25-Q02.cm May driver adjust brakes under hone directions from qualified inspector?
May the Form MCS-90 required by part 387 for proof of minimum financial responsibility be modified? FMCSA-INS-387.15-Q002 Modification of Form MCS-90
If a company owns more than one motor carrier subject to the Federal Motor Carrier Safety Regulations, may the company use logs listing the names of all such motor carrier employers and require the driver to identify the carrier for which he or she drives FMCSA-HOS-395.8-Q18 Hours of Service Records of Duty Status
Is the use of a printed or stamped signature on the Form MCS-90 endorsement acceptable? FMCSA-INS-387.15-Q003 Printed or Stamped Signature on MCS-90
Must a motor carrier obtain a new Form MCS-90 each year if it retains the same insurance company? FMCSA-INS-387.15-Q004 Need for new MCS-90 if carrier retains insurance company
Question 3: May a driver or other motor carrier employee be qualified as a brake inspector under § 396.25 by way of experience or training to perform brake adjustments without being qualified to perform other brake-related tasks such as the repair or repl FMCSA-VM-396.25-Q03.cm May a driver be qualified to perform brake adjustments, but not other tasks?
Is a nonprofit corporation, providing for-hire interstate transportation of passengers, subject to the minimum levels of financial responsibility for motor carriers of passengers? FMCSA-INS-387.27-Q001 Applicability of financial responsibility requirements to nonprofit corporation providing for-hire interstate transportation of passengers
Is this “mandatory information” that required of a normal RODS under section 395.8(d) or that of the 100 air-mile radius exemption under section 395.1(e)(5)? FMCSA-HOS-395.8-Q19 Hours of Service Records of Duty Status