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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
When should a driver use paper logs or electronic logging software if an electronic logging device (ELD) malfunction occurs? FMCSA-ELD-395-Q039(2022-03-10) ELD Guidance
Would server-based events (e.g., edits and assignment of unassigned events) generate a different sequence ID than that generated by the electronic logging device (ELD)? FMCSA-ELD-395-Q061(2022-03-10) ELD Guidance
Can an electronic logging device (ELD) allow for a user to switch between ELD mode and automatic onboard recording device (AOBRD) mode? FMCSA-ELD-395-Q022(2022-03-10) ELD Guidance
How should an electronic logging device (ELD) record a driver’s hours of service when operating in another country such as Canada? FMCSA-ELD-395-Q038(2022-03-10) ELD Guidance
May electronic logging device (device (ELD) providers configure the ELD to identify potential hours of service violations? FMCSA-ELD-395-Q023(2022-03-10) ELD Guidance
Does the Electronic Logging Device (ELD) rule require that an ELD be able to both display electronically and print? FMCSA-ELD-395-Q037(2022-03-10) ELD Guidance
In the ELD header, should miles driven reflect miles in the current commercial motor vehicle (CMV) or all CMVs that the driver has operated on the displayed date? What about Start End Odometer and Engine Hours? FMCSA-ELD-395-Q074(2022-03-10) ELD Guidance
What electronic logging device (ELD)-recorded data may not be edited? FMCSA-ELD-395-Q027(2022-03-10) ELD Guidance
Is the electronic logging device (ELD) required to offer an exempt driver account? FMCSA-ELD-395-Q025(2022-03-10) ELD Guidance
Can a driver edit their ELD data after leaving the vehicle? FMCSA-ELD-395-Q026(2022-03-10) ELD Guidance