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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
Section 4.8.1.3 of 49 CFR part 395, subpart B, Appendix A indicates that location needs to be displayed for login/logout events. However, section 4.5.1.5 lists required data elements for login/logout events and does not indicate that latitude and... FMCSA-HOS-ELD-TECH-395-FAQ59(2017-09-01)-CORR1 ELD Guidance
ELD FAQ 60: Electronic Logging Devices and Hours of Service – Technical Specifications FMCSA-HOS-ELD-TECH-395-FAQ 60 ELD Guidance
ELD FAQ 61: Electronic Logging Devices and Hours of Service – Technical Specifications FMCSA-HOS-ELD-TECH-395-FAQ61 ELD Guidance
When a driver makes an edit, should the original record be visible in the print or display option? FMCSA-HOS-ELD-TECH-395-FAQ62(2017-09-01)-CORR1 ELD Guidance
ELD FAQ 74: Electronic Logging Devices and Hours of Service – Technical Specifications FMCSA-HOS-ELD-TECH-395-FAQ74 ELD Guidance
When is the electronic logging device (ELD) required to display data? FMCSA-HOS-ELD-TECH-395-FAQ63(2017-09-01)-CORR1 ELD Guidance
What information should be displayed on the header for co-driver operations? FMCSA-HOS-ELD-TECH-395-FAQ65(2017-09-01)-CORR1 ELD Guidance
Would it be acceptable for the data transfer to be initiated by the electronic logging device (ELD) but relayed through and communicated to the Federal Motor Carrier Safety Administration (FMCSA) Service from the provider’s backend? FMCSA-HOS-ELD-TECH-395-FAQ66(2017-09-01)-CORR1 ELD Guidance
If a multi-function portable device is used for the front end of the electronic logging device (ELD) (i.e., user may be in a global positioning system [GPS] application and need to switch back to the ELD application), does this count as a click in the... FMCSA-HOS-ELD-TECH-395-FAQ67(2017-09-01)-CORR1 ELD Guidance
Will the Federal Motor Carrier Safety Administration (FMCSA) collect State enforcement agency data transfer capabilities/preferences? FMCSA-HOS-ELD-TECH-395-FAQ68(2017-09-01)-CORR1 ELD Guidance