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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 to drivers while driving unloaded within 150 air-miles of the place where an agricultural commodity will be loaded, and to that portion of an unloaded return trip which occurs within a 150 ai FMCSA-HOS-AG-395.1-Q34 Agricultural Commodity guidance
How is the “source of the agricultural commodities” determined if the driver makes multiple pick-ups of the commodity en route to the final destination? FMCSA-HOS-AG-395.1-Q37 Agricultural guidance
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
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 FAQ005 Where do the emergency exemptions apply? FMCSA-RG-390.23-FAQ005 Emergency Declarations
Part 390 § 390.23 Relief from regulations What regulations are included in 49 CFR Parts 390-399? FMCSA-RG-390.23-FAQ002 Emergency Declarations