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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
Using ELDs to Transfer Electronic Driver Logs FMCSA-HOS-ELD-TRAINING-395-FAQ2 ELD Guidance
Electronic Logging Devices and Hours of Service Supporting Documents: Frequently Asked Questions. FMCSA-HOS-AG-395.1-AG EXEMPTION DIAGRAMS ELD Guidance
How is the “source” of the agricultural commodities in § 395.1(k)(1) determined? FMCSA-HOS-AG-395.1-Q36 Agricultural guidance
If a driver subject to the Electronic Logging Device (ELD) rule is stopped for a roadside inspection and does not have a required ELD installed and in use in the vehicle being operated, what will happen? FMCSA-ELD-395-Q16(2018-05-04)-CORR1 ELD Guidance
ELD FAQ16: Electronic Logging Devices and Hours of Service FMCSA-HOS-ELD-395-FAQ016 ELD Guidance
What are the differences in the technical specifications in the 1988 automatic onboard recording device (AOBRD) Rule (49 CFR 395.15) and the Electronic Logging Device (ELD) rule? FMCSA-ELD-395-AOBRD-and-ELD-FAQ-RESCINDED ELD Guidance
Cross Border Transportation FAQs FMCSA-ELD-Cross-Border-Transportation-FAQs(2018-04-09)-CORR1-RESCINDED ELD Guidance
Is Your Device Compliant? FMCSA-HOS-ELD-TECH-395-FAQ98 ELD Guidance
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
If a Canada/Mexico domiciled motor carrier’s vehicle registration for a CMV reflects a model year of 2000 or newer, but the engine plate or documentation from the manufacturer indicates that the engine is older than model year 2000, is the CMV exempt from FMCSA-BOR-HOS-ELD-395-FAQ011 Cross Border Transportation ELDs