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
Does § 390.23 create an exemption from the FMCSRs each and every time the delivery of electricity is interrupted, no matter how isolated or minor the occurrence? FMCSA-RG.390.23-Q001 Applicability of emergency exception to electrical outages
If a driver is required repeatedly to respond to satellite or similar communications received during a 10-hour off-duty period (8-hour off-duty period for passenger transportation), does this activity affect a driver’s duty status? FMCSA-HOS-395.2-Q31 Hours of Service Definitions
What information must be submitted in a harassment complaint? FMCSA-HOS-ELD-395-FAQ70(2019-11-22)-CORR1 ELD Guidance
What information must be displayed on the electronic logging device (ELD) or provided on the ELD printout? FMCSA-HOS-ELD-TECH-395-FAQ64(2017-11-07)-CORR1 ELD Guidance
ELD Carrier-Driver Training FMCSA-HOS-ELD-TRAINING-395-FAQ3 ELD Guidance
ELD Provider Training FMCSA-HOS-ELD-TRAINING-395-FAQ4 ELD Guidance
ELD Training Checklist for Motor Carriers: Understanding Your Device FMCSA-HOS-ELD-TRAINING-395-FAQ1 ELD Guidance
Brochure provides overview of the hours-of-service rules for drivers of passenger-carrying commercial motor vehicles. FMCSA-HOS-PASS-395-PASSENGER CARRIER HOURS OF SERVICE BROCHURE Passenger Carrier Hours of Service
Can a driver edit their record after erroneously accepting a driving event that was originally recorded under the Unidentified Driver profile? FMCSA-HOS-ELD-395-FAQ61(2018-12-19)-CORR1 ELD Guidance
Can a driver be assigned driver records recorded under the Unidentified Driver profile and indicate a special driving category at the time the driver is assigned the driver records? FMCSA-HOS-ELD-395-FAQ60(2018-12-19)-CORR1 ELD Guidance