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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
Are there HOS regulations in the United States or Mexico that allow a driver to reset a maximum duty time period? FMCSA-BOR-HOS-395-FAQ007 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
What is the maximum driving time a CMV driver of property may drive in the United States? FMCSA-BOR-HOS-395-FAQ005 Cross-border hours-of-service requirements
Will a Canada/Mexico domiciled motor carrier’s driver be required to use ELDs if they conduct drive-away/tow-away operations in the U.S. and the vehicle being driven is the commodity being delivered? FMCSA-BOR-HOS-ELD-395-FAQ008-RESCINDED Cross Border Transportation ELDs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
Requirement that commercial motor vehicle (CMV) drivers operating in the United States in interstate commerce, except drivers of passenger-carrying CMVs, submit, and motor carriers retain FMCSA-BOR-DVIR-396-FAQ001 Driver vehicle inspection reports
Does the 100 air-mile radius exception apply to cross-border operations? FMCSA-BOR-ELD-395-FAQ007 Cross Border Transportation ELDs
Medical Qualification FAQ – FOREIGN Medical certificate – FAQ2 FMCSA-BOR-MED-Medical Certficate-FAQ002 : Medical qualifications requirement for foreign-domiciled motor carriers.
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
Are Canadian commercial drivers who transport any liquid or gaseous material in a tank having a rated capacity of 1,000 gallons or more or multiple tanks having an individual rated capacity of more than 119 gallons and an aggregate capacity of 1,000 FMCSA-BOR-CDL-383-FAQ006 Cross-border commercial and non-Commercial Driver License Requirements.