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
What is the carrier’s liability when its drivers falsify records of duty status? FMCSA-HOS-395.8-Q21 liability for false records
May specially trained drivers of specially constructed oil well servicing vehicles cumulate the 8 consecutive hoby combining off-duty time or sleeper-berth time at a natural gas or oil well site with off duty while en route to or from the well? FMCSA-HOS-395.1-Q11 Hours of Service Exceptions
May time spent in sleeping facilities being transported as cargo (e.g., boats, campers, travel trailers) be recorded as sleeper berth time? FMCSA-HOS-395.1-Q24 Hours of Service Exceptions
How must a commercial motor vehicle (CMV) driver operating a non-CMV at the direction of a motor carrier record this time? FMCSA-HOS-395.2-Q14 Regulations
Is a driver (United States or foreign) required to maintain a record of duty status (log book) in a foreign country before entering the U.S.? FMCSA-HOS-395.8-Q25 RODS requirement in foreign country prior to entering the US
When one of these individuals has a second job with an interstate motor carrier and works a 24-hour shift for the fire/rescue/emergency services department, is all of the time spent during the shift considered on-duty time? FMCSA-HOS-395.2-Q29 Hours of Service Definitions
Must a motor carrier retain 100-air-mile driver time records at its principal place of business? FMCSA-HOS-395.1-Q14 Hours of Service Exceptions