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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
During an investigation, how should the header section reflect electronic logging device (ELD) data? FMCSA-HOS-ELD-TECH-395-FAQ73(2022-03-10) ELD Guidance
Does the Electronic Logging Device (ELD) rule require that the driver have editing capabilities? FMCSA-ELD-395-Q064(2022-03-10) ELD Guidance
If a driver sets the duty status to On-Duty Not Driving and indicates a yard move, does the driver’s duty status have to remain On-Duty Not Driving until the driver manually indicates the end of that driving status? FMCSA-ELD-395-Q077(2022-03-10) ELD Guidance
If a Canada/Mexico-domiciled company with a terminal in the United States dispatches a driver from one of its Canada/Mexico locations to move a vehicle to its U.S. terminal for use in the U.S., is the vehicle move considered a drive-away/tow-away ... FMCSA-BOR-HOS-ELD-395-FAQ009(2022-03-10) ELD Guidance
Can a carrier make edits to a driver’s record of duty status (RODS)? FMCSA-ELD-395-Q066(2022-03-10) ELD Guidance
What is a motor carrier or driver required to do if they use two electronic logging devices (ELDs) that are not interoperable during a 7-day period? FMCSA-ELD-395-Q078(2022-03-10) ELD Guidance
ELD Malfunctions and Data Diagnostic Events FAQs FMCSA-ELD-Malfunctions-Data-Diagnostics-FAQs(2022-03-10)-CORR1 ELD Guidance
What electronic logging device (ELD)-recorded data may not be edited? FMCSA-ELD-395-Q027(2022-03-10) ELD Guidance
Under section 4.6.1.2 of 49 CFR part 395, subpart B, Appendix A, the engine synchronization compliance monitoring requires the electronic logging device (ELD) to record an engine synchronization diagnostics event when it cannot acquire values for the ELD FMCSA-ELD-395-Q048(2022-03-10) ELD Guidance
How should the Time Zone Offset from UTC handle daylight savings time? FMCSA-HOS-ELD-TECH-395-FAQ26(2022-03-10) ELD Guidance