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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
Driver vehicle inspection reports FMCSA-VM-396.11-Q006 Driver vehicle inspection reports
What documents satisfy the requirement to show a shipping document number on a record of duty status as found in §395.8(d)(11)? FMCSA-HOS-395.8-Q14 Hours of Service Records of Duty Status
What is the carrier’s liability when its drivers falsify records of duty status? FMCSA-HOS-395.8-Q21 liability for false records
What protection is afforded a driver for refusing to violate the FMCSRs? FMCSA-RG-390.3T-Q017 Protection of drivers sanctioned for refusal to violate FMCSRs
§391.11 General qualifications of drivers. FMCSA-DQ-391.11-Q005 General driver qualifications
If an interstate driver gets stopped by a State enforcement officer for an inspection, would the inspecting officer be enforcing the Federal regulations or State regulations? FMCSA-RG-390.9-Q001 Regulations enforced by State officers
Does off-road motorized construction equipment meet the definitions of "motor vehicle" and "commercial motor vehicle" as used in §§ 383.5 and 390.5T? FMCSA-RG-390.5T-Q007 Applicability of FMCSRs to off-road motorized construction equipment
Must a motor carrier that employs an intermittent, casual, or occasional driver to operate a CMV, as defined in §383.5, (1) require the driver to prepare and submit an employment application in accordance with §391.21 and (2) conduct the background invest FMCSA-DQ-391.63-Q003 Multiple-employer drivers
May the medical examiner restrict a driver’s duties? FMCSA-MED-391.41-Q4 Driver Physical Qualification Standards
A driver does not have a photo identification card. Must an employer representative identify the driver in the presence of the Breath Alcohol Technician (BAT)/urine specimen collector or may the employer representative identify the driver via a telephone FMCSA-D&A-382.105-Q02 Applicability of Section 382.105