USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

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
Medical Qualification FAQ – CANADIAN Medical Certificates - FAQ1 FMCSA-BOR-MED-MedicalCertficate-FAQ001 Medical qualifications requirement for foreign-domiciled motor carriers
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
For drivers transporting property, are there differences between Canadian and U.S. HOS regulations for driving after on-duty time? FMCSA-BOR-HOS-395-FAQ008 Cross-border hours-of-service requirements
Medical Qualification FAQ – Waivers – Q4 FMCSA-BOR-MED-DRV-WAIVER-FAQ004 Medical qualifications requirement for foreign-domiciled motor carriers.
After FMCSA completes a PASA and the applicant has failed the PASA, what will happen next? FMCSA-BOR-MX LONG-HAUL-FAQ007 Mexico-domiciled motor carrier long haul operations
What is the difference between provisional operating authority registration and standard operating authority registration granted to Mexico-domiciled motor carriers to operate beyond the U.S.-Mexico border commercial zones and municipalities? FMCSA-BOR-MX LONG-HAUL-FAQ004 Mexico-domiciled motor carrier long haul operations
Medical Qualification FAQ – Waivers – Q3 FMCSA-BOR-MED-DRV-WAVIER-FAQ00Q3
I don't have authority from the Mexican Government's Secretaría de Comunicaciones y Transportes (SCT) yet. Can I still make application for OP-1(MX) or OP-2 authority? FMCSA-BOR-REG-FAQ008 Registration requirement for Mexico-domiciled motor carriers
Do I also need to file for authority to operate within the municipalities and commercial zones along the border in the U.S. if I have long-operating operating authority? FMCSA-BOR-MX LONG-HAUL-FAQ001 Mexico-domiciled motor carrier cross-border long haul operations
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