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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
If the vehicle registration for a commercial motor vehicle reflects a model year of 2000 or newer, but the vehicle was manufactured without an engine control module (ECM), is the carrier required to comply with the ELD rule? FMCSA-ELD-395-Q12 ELD Guidance
ELD FAQ10: Electronic Logging Devices and Hours of Service FMCSA-HOS-ELD-395-FAQ010-RESCINDED ELD Guidance
How will the electronic logging device (ELD) display screen or printout reflect special driving categories; yard moves and personal conveyance? FMCSA-HOS-ELD-395-FAQ011(2017-07-12)-CORR1 ELD Guidance
How can a driver record their on-duty not driving status, such as working in a warehouse, on an ELD, prior to operating a commercial motor vehicle equipped with an ELD? FMCSA-HOS-ELD-395-FAQ52(2017-07-12)-CORR1 ELD Guidance
Differences between AOBRDs and ELDs - Table comparing the technical specifications in the AOBRD rule (§ 395.15) and the ELD rule. FMCSA-ELD-395-ELD-and-AOBRD-FAQ(2017-04-21)-CORR1 ELD Guidance
Where should a driver file a harassment complaint? FMCSA-HOS-ELD-395-FAQ69(2017-04-06)-CORR1 ELD Guidance
What should a driver consider before filing a harassment complaint? FMCSA-HOS-ELD-395-FAQ67(2017-04-06)-CORR1 ELD Guidance
Does the Electronic Logging Device (ELD) rule require real-time tracking of commercial motor vehicle (CMVs) with ELDs? FMCSA-HOS-ELD-395-FAQ65(2017-04-06)-CORR1 ELD Guidance
How much time is allowed for a driver to file a harassment complaint? FMCSA-HOS-ELD-395-FAQ68(2017-04-06)-CORR1 ELD Guidance
What are the differences between harassment and coercion? FMCSA-HOS-ELD-395-FAQ66(2017-04-06)-CORR1 ELD Guidance