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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 Sort ascending
Applicability of the Registration, Financial Responsibility, and Safety Regulations to Motor Carriers of Passengers, 87 Fed. Reg. 68367 (November 15, 2022) FMCSA-FR-87FR68367(2022-11-15) Applicability of Registration, Financial Responsibility, and Safety Regulations to Motor Carriers of Passengers
What are my Rights and Responsibilities when Moving? FMCSA-HHG-375-Rights and Responsibilities-Q001(2022-09-30) Your Rights and Responsibilities When You Move
Hours of Service Examples FMCSA-HOS-395-HOS-EXAMPLES(2022-04-28) Hours of Service Examples
Interstate Truck Driver’s Guide to Hours of Service FMCSA-HOS-395-DRIVERS-GUIDE-TO-HOS(2022-04-28) Hours of Service Regulations for Property Carriers
Implementation of Household Goods Working Group Recommendations, 87 Fed. Reg. 24431 (April 26, 2022) FMCSA-FR-87FR24431(2022-04-26) Household Goods
When is the electronic logging device (ELD) required to automatically change the driver’s duty status to Driving? FMCSA-ELD-395-Q069(2022-03-10) ELD Guidance
If the driver rejects unidentified driving, should that be displayed on the electronic logging device (ELD) for the roadside inspection view and output file view? FMCSA-ELD-395-Q052(2022-03-10) ELD Guidance
What is the commercial motor vehicle (CMV) power unit number? FMCSA-ELD-395-Q071(2022-03-10) ELD Guidance
Can an electronic logging device (ELD) provider pass the one-minute boot time rule by requiring the driver to power on the device (or an app) prior to starting the engine? FMCSA-ELD-395-Q055(2022-03-10) ELD Guidance
Can a mobile app and the vehicle engine communicate over a cellular network? FMCSA-ELD-395-Q034(2022-03-10) ELD Guidance