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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
How long does it take to get an MX number, Certificate of Registration and USDOT Number? FMCSA-BOR-REG-FAQ003 Registration requirement for Mexico-domiciled motor carriers
Medical Qualification FAQ – Waivers – Q4 FMCSA-BOR-MED-DRV-WAIVER-FAQ004 Medical qualifications requirement for foreign-domiciled motor carriers.
What happens if I operate in the without authority? FMCSA-BOR-REG-FAQ004 Registration requirement for Mexico-domiciled motor carriers
I am a Mexican national and I have two companies, one domiciled in the U.S. and one domiciled in Mexico. Which applications do I need? FMCSA-BOR-REG-FAQ005 Registration requirement for Mexico-domiciled motor carriers
What is the restriction identified on a Canadian Commercial License for a Canadian driver when they are not permitted to operate in the United States for medical reasons? FMCSA-BOR-CDL-383-FAQ003 Cross-border commercial and non-Commercial Driver License Requirements
How do I change the type of authority I have (for Mexico-domiciled carriers)? FMCSA-BOR-REG-FAQ006 Registration requirement for Mexico-domiciled motor carriers
Can a Mexico-domiciled carrier lease its equipment to another Mexico-domiciled company for operations in the United States? FMCSA-BOR-LEASING-376-FAQ002 Leasing requirement for Mexico-domiciled motor carriers
Are Canadian Armed Forces exempt from the Federal Motor Carrier Safety Regulations (FMCSRs), including the ELD requirements, if they have proper documentation when operating in the United States? FMCSA-HOS-ELD-395-FAQ71 ELD requirements for foreign-domiciled motor carriers
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
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