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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
ELD FAQ 71: ELDs Canada & Mexico FAQ – Technical Specifications – Q3 FMCSA-HOS-ELD-395-FAQ71-RESCINDED ELD requirements for foreign-domiciled motor carriers
What happens if cellular network limitations prevent an ELD from transferring data during a U.S. roadside inspection for a Canada/Mexico domiciled motor carrier’s driver? FMCSA-BOR-HOS-ELD-395-FAQ001 Cross Border Transportation ELDs
What must a Canada/Mexico domiciled motor carrier’s driver do if an ELD malfunction prevents presenting HOS to a safety official at roadside by electronic data transfer, display screen or printout? FMCSA-BOR-HOS-ELD-395-FAQ004 Cross Border Transportation ELDs
When a Canada/Mexico-domiciled motor carrier’s driver is operating a commercial motor vehicle (CMV) and is stopped for an inspection in the United States (U.S.), how must the driver verify hours of service (HOS) compliance if required to use an ELD? FMCSA-BOR-HOS-ELD-395-FAQ012(2018-03-05)-CORR1 Cross Border Transportation ELDs
If a Canada/Mexico domiciled company with a terminal in the United States dispatches a driver from one of its Canada/Mexico location to move a vehicle to its U.S. terminal for use in the U.S., is the vehicle move considered a driveaway/towaway operation? FMCSA-BOR-HOS-ELD-395-FAQ009-RESCINDED Cross Border Transportation ELDs
When operating in the United States, should a Canadian commercial driver continue to operate under the Canadian HOS regulations? FMCSA-BOR-HOS-395-FAQ001 Cross-border hours-of-service requirements
What are the requirements for driver to have in their possession in the CMV copies of their records of duty status when driving in Mexico and the United States? FMCSA-BOR-HOS-395-FAQ006 Cross-border hours-of-service requirements-key differences
Do Canada and the United States have similar HOS regulations regarding 30-minute break periods? FMCSA-BOR-HOS-395-FAQ009 Cross-border hours-of-service requirements
Must a Canada/Mexico domiciled motor carrier’s driver using an ELD in the United States have a printer in the CMV? FMCSA-BOR-HOS-ELD-395-FAQ002 Cross Border Transportation ELDs
How will the U.S. ELD rule apply to a Canada/Mexico domiciled company operating a commercial rental truck in the United States? FMCSA-BOR-HOS-ELD-395-FAQ005 Cross Border Transportation ELDs