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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
When does the pre-2000 model year exception apply? FMCSA-ELD-395-Q20 ELD Guidance
ELD FAQ17: Electronic Logging Devices and Hours of Service FMCSA-HOS-ELD-395-FAQ017 ELD Guidance
Who is exempt from the ELD rule? FMCSA-ELD-395-Q17-RESCINDED ELD Guidance
Using ELDs to Transfer Electronic Driver Logs FMCSA-HOS-ELD-TRAINING-395-FAQ2 ELD Guidance
How is the “source” of the agricultural commodities in § 395.1(k)(1) determined? FMCSA-HOS-AG-395.1-Q36 Agricultural guidance
Electronic Logging Devices and Hours of Service Supporting Documents: Frequently Asked Questions. FMCSA-HOS-AG-395.1-AG EXEMPTION DIAGRAMS ELD 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
Cross Border Transportation FAQs FMCSA-ELD-Cross-Border-Transportation-FAQs(2018-04-09)-CORR1-RESCINDED ELD Guidance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 FMCSA-ELD-395-AOBRD-and-ELD-FAQ-RESCINDED ELD Guidance