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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 time spent in resting or sleeping in motor homes being delivered be recorded as off-duty time? FMCSA-HOS-395.3-Q09 Hours of Service Maximum Driving Time
Do the definitions of "farm", "farmer" and "agricultural crops" apply to greenhouse operations? FMCSA-RG-390.5T-Q001 Applicability of farm-related definitions to greenhouse operations
May an operation that changes its normal work-reporting location on an intermittent basis utilize the 100-air-mile radius exemption? FMCSA-HOS-395.1-Q15 Hours of Service Exceptions
May a rubber stamp signature be used on a driver’s record of duty status? FMCSA-HOS-395.8-Q02 Hours of Service Records of Duty Status
Is the “mandatory information” referred to in the previous guidance that required of a normal RODS under section 395.8(d) that of the 100-air-mile radius exemption under section 395.1(e)(5)? FMCSA-HOS-395.1-Q17 Hours of Service Exceptions
How should multiple short stops in a town or city be recorded on a record of duty status? FMCSA-HOS-395.8-Q06 Hours of Service Records of Duty Status
If a driver logs his/her duty status as “driving” but makes multiple short stops (each less than 15 minutes) for on-duty or off-duty activities, marks a vertical line on the grid for each stop, and records the elapsed time for each in the remarks section FMCSA-HOS-395.8-Q22 how to count non-driving activities against the driving limit
Do telephone calls to or from the motor carrier that momentarily interrupt a driver’s rest period constitute a change of the driver’s duty status? FMCSA-HOS-395.2-Q05 Hours of Service Definitions
Does a driver, employed full time by one motor carrier using the 60-hours in 7-days rule, and part-time by another motor carrier using the 70-hours in 8-days rule, have the option of using either rule in computing his hours of service? FMCSA-HOS-395.3-Q02 Hours of Service Maximum Driving Time
Is a driver who works for a motor carrier on an occasional basis and who is regularly employed by a non-motor carrier entity required to submit either records of duty status or a signed statement regarding the hours of service for all on-duty time? FMCSA-HOS-395.8-Q11 Hours of Service Records of Duty Status