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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
Can a for-hire motor carrier located in Canada transport farm supplies and/or equipment for agricultural purposes to a location in the U.S. without having to comply with Part 395? FMCSA-HOS-AG-395.1-FAQ32 Hours of Service Agricultural Commodities
Do the disqualification provisions of §391.15 apply to offenses committed by a driver who is using a company vehicle for personal reasons while off-duty? FMCSA-DQ-391.15-Q005 Driver disqualification
What does “servicing” of the field operations of the natural gas and oil industry cover? FMCSA-HOS-395.1-Q06 Hours of Service
Guidance on whether an employee who holds a CDL and may drive occasionally must be in a random testing pool FMCSA-D&A-382.305-Q02 Guidance on whether an employee who holds a CDL and may drive occasionally must be in a random testing pool
A driver drives on streets and highways during the week and jockeys commercial motor vehicles in the yard (private property) on weekends. How is the yard time to be recorded? FMCSA-HOS-395.2-Q09 Hours of Service
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