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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
What are the key requirements of the Electronic Logging Device (ELD) rule? FMCSA-ELD-395-Q01-RESCINDED ELD Guidance
ELD FAQ3: Electronic Logging Devices and Hours of Service FMCSA-HOS-ELD-395-FAQ003 ELD Guidance
What electronic logging device (ELD) user documentation must be onboard a driver’s commercial motor vehicle? FMCSA-ELD-395-Q04(2017-03-15)-CORR1 ELD Guidance
If the vehicle registration for a commercial motor vehicle (CMV) reflects a model year of 2000 or newer, but the vehicle was manufactured without an electronic control module (ECM), is the carrier required to comply with the Electronic Logging Device... FMCSA-HOS-ELD-395-FAQ012(2017-03-12)-CORR1 ELD Guidance
May a driver who uses an automatic on-board recording device amend his/her record of duty status during a trip? FMCSA-ELD-HOS-395.15-Q02 Amending AOBRD records
May a driver use a computer, tablet, or smartphone (that is not an Automatic On-Board Recording Device) to create, electronically sign, and store the record of duty status (RODS)? FMCSA-HOS-395.8-Q28 Use of computer to create, sign, store RODS
What information is required to be displayed on the AOBRD? FMCSA-ELD-HOS-395.15-Q05 Information required to be displayed on an AOBRD
Must an AOBRD be capable of providing a hardcopy printout? FMCSA-ELD-HOS-395.15-Q06 AOBRD printout requirements
Notice of Regulatory Guidance: Automatic On-Board Recording Devices FMCSA-FR-7926868.2014.05.12 Automatic On-Board Recording Devices – Display, Recording, and Printing Requirements
What conditions must be met for a Commercial Motor Vehicle (CMV) driver to record meal and other routine stops made during a tour of duty as off-duty time? FMCSA-HOS-395.2-Q02 Hours of Service Definitions