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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
May a sleeper berth be used for a period of less than 2 hours’ duration? FMCSA-HOS-395.2-Q07 Hours of Service Definitions
What is the carrier’s liability when its drivers falsify records of duty status? FMCSA-HOS-395.8-Q21 liability for false records
Must non transportation-related work for a motor carrier be recorded as on-duty time? FMCSA-HOS-395.2-Q11 Hours of Service Definitions
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
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
What does “servicing” of the field operations of the natural gas and oil industry cover? FMCSA-HOS-395.1-Q06 Hours of Service
May sleeper berth time and off-duty periods be combined to meet the 10-hour off-duty requirement? FMCSA-HOS-395.1-Q25 Hours of Service Exceptions
How is the 50 percent driving time in the definition of “driver-salesperson” in §395.2 determined? FMCSA-HOS-395.2-Q17 Hours of Service Definitions