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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
What is a manufacturer required to do when required data is not available from the electronic control module (ECM)? FMCSA-ELD-395-Q057(2022-03-10) ELD Guidance
Is it permissible to allow the electronic logging device (ELD) to power up, boot, and accept driver logins before the engine is powered?  FMCSA-ELD-395-Q056(2022-03-10) ELD Guidance
Can electronic logging device (ELD) events remain unassigned after a trip is assigned to a driver? FMCSA-ELD-395-Q054(2022-03-10) ELD Guidance
How should “odometer jumps,” caused by a driver unplugging the electronic logging device (ELD) from the electronic control module (ECM), be captured? FMCSA-ELD-395-Q053(2022-03-10) ELD Guidance
Can an electronic logging device (ELD) provider pass the one-minute boot time rule by requiring the driver to power on the device (or an app) prior to starting the engine? FMCSA-ELD-395-Q055(2022-03-10) ELD Guidance
Record of Violations, 87 Fed. Reg. 13192 (March 9, 2022) FMCSA-FR-87FR13192(2022-03-09) Record of violations
ELDT theory training for the Class A and Class B CDL includes a unit of instruction covering whistleblower and coercion protections for CMV drivers. Are drivers protected from retaliation for reporting sexual harassment, sexual assault and threats of... FMCSA-ELDT-WHISTLEBLOWER-COERCION-FAQ01(2022-03-09) Entry-Level Driver Training – Whistleblower and Coercion Protections
Qualifications of Drivers; Vision Standard, 87 FR 3390 (Jan. 21, 2022) FMCSA-FR-87FR3390(2022-01-21) Driver Physical Qualification Standard for Vision
How do FMCSA’s ELDT regulations affect State-based training requirements? FMCSA-ELDT-380-Q027 Entry level Driver Training
Are drivers required to annotate an adverse driving condition they encountered on their electronic logging device (ELD)? FMCSA-HOS-2020-395-FAQ15 Hours of Service