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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
In section 4.4.2 of 49 CFR part 395, subpart B, Appendix A, the rule requires that “geo-location information must be derived from a database that contains all cities, towns, and villages with a population of 5,000 or greater and listed in ANSI INCITS... FMCSA-ELD-395-Q021(2022-03-10)-CORR1 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
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
How should an electronic logging device (ELD) respond to battery issues, such as an ELD battery dying due to high temperatures or when charge power runs out? FMCSA-ELD-395-Q062(2022-03-10) ELD Guidance
How will FMCSA ensure that the electronic logging device (ELD) data is transferred securely? FMCSA-ELD-395-Q063(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
Can a driver select exempt driver status? FMCSA-ELD-395-Q024(2022-03-10) ELD Guidance
If a driver makes an error, can that record be deleted? FMCSA-ELD-395-Q065(2022-03-10) ELD Guidance
May a motor carrier seeking to extend the period of time permitted for repair, replacement, or service of one or more electronic logging devices (ELDs) request an extension? FMCSA-ELD-395-Q030(2022-03-10)-CORR1 ELD Guidance