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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: 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
Can a carrier set parameters for yard moves via the technical specifications? FMCSA-ELD-395-Q073(2022-03-10) ELD Guidance
How should the electronic logging device (ELD) handle the dashboard odometer display not matching the odometer value returned by the electronic control module (ECM)? For instance, when the engine is replaced and the value is not synced. FMCSA-ELD-395-Q059(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 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
When creating an electronic logging device (ELD) file as specified in sections 4.9 of 49 CFR part 395, subpart B, Appendix A, which records should be included? FMCSA-ELD-395-Q075(2022-03-10) ELD Guidance
Are Canada- and Mexico-domiciled drivers required to use electronic logging devices (ELDs) when they are operating in the United States (U.S)? FMCSA-HOS-ELD-395-FAQ23(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
Can a Canada/Mexico domiciled motor carrier qualify for the hours of service exemption for agricultural operations in 49 CFR 395.1(k) while delivering an agricultural commodity in the United States (U.S.) if the motor carrier picks up the commodity... FMCSA-ELD-395-Q042(2022-03-10) ELD Guidance
Does the size requirement for print display listed in section of 49 CFR part 395 subpart B Appendix A also apply to the on-screen display? FMCSA-HOS-ELD-TECH-395-FAQ56(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