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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 size requirement for print display listed in section 4.8.1.3(c)(1) 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
Is the display required to be handed to the inspector outside of the vehicle? FMCSA-HOS-ELD-TECH-395-FAQ57(2022-03-10) ELD Guidance
ELD Data Transfer FAQs FMCSA-ELD-Data-Transfer-FAQs(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
ELD Technical Specifications FAQs FMCSA-ELD-Technical-Specifications-FAQs(2022-03-10) ELD Guidance
ELD Functions FAQs FMCSA-ELD-Functions-FAQs(2022-03-10) ELD Guidance
ELD Malfunctions and Data Diagnostic Events FAQs FMCSA-ELD-Malfunctions-Data-Diagnostics-FAQs(2022-03-10)-CORR1 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
Section 4.9.1 of 49 CFR part 395, subpart B, Appendix A states than an electronic logging device (ELD) must support either telematics or local transfer for data transfer. Can an ELD offer web services and USB transfer? FMCSA-HOS-ELD-TECH-395-FAQ77(2022-03-10) ELD Guidance
What is the resolution process if the FMCSA data transfer mechanism incorrectly rejects a data file during an electronic data transfer? FMCSA-HOS-ELD-TECH-395-FAQ83(2022-03-10) ELD Guidance