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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
Does the agricultural commodity exception (§ 395.1(k)(1)) apply if the destination for the commodity is beyond the 150 air-mile radius from the source? FMCSA-HOS-AG-395.1-Q35 Agricultural guidance
Hours of Service of Drivers of Commercial Motor Vehicles; Regulatory Guidance Concerning the Use of a Commercial Motor Vehicle for Personal Conveyance. FMCSA-FR-83FR26377-2018.06.07 Recording time operating a CMV as personal conveyance and off-duty under the HOS regulations
Under what circumstances may a driver operate a commercial motor vehicle (CMV) as a personal conveyance? FMCSA-HOS-395.8-Q26 use of CMV as a personal conveyance
Electronic Documents and Signatures; Correction, 83 Fed. Reg. 24228 FMCSA-FR-83FR24228-2018.05.25 Guidance
ELD FAQ16: Electronic Logging Devices and Hours of Service FMCSA-HOS-ELD-395-FAQ016 ELD Guidance
If a driver subject to the Electronic Logging Device (ELD) rule is stopped for a roadside inspection and does not have a required ELD installed and in use in the vehicle being operated, what will happen? FMCSA-ELD-395-Q16(2018-05-04)-CORR1 ELD Guidance
Part 390 § 390.23 Relief from regulations Part 390 § 390.23 Relief from regulations FMCSA-RG-390.23-FAQ006 Emergency Declarations
Part 390 § 390.23 Relief from regulations Can an emergency declaration be extended? FMCSA-RG-390.23-FAQ015 Emergency Declarations
Part 390 § 390.23 Relief from regulations FAQ001 How do State and Federal Declarations of Emergency affect motor carrier operations? FMCSA-RG-390.23-FAQ001 Emergency Declarations
Part 390 § 390.23 Relief from regulations FAQ004 What other regulations are NOT exempted by a Declaration of Emergency? FMCSA-RG-390.23-FAQ004 Emergency Declarations