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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
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
Is the use of a printed or stamped signature on the Form MCS-90 endorsement acceptable? FMCSA-INS-387.15-Q003 Printed or Stamped Signature on MCS-90
Applicability of FMCSRs when schools charge trip fees FMCSA-RG-390.3T-Q011 Applicability of FMCSRs when schools charge trip fees
Is a motor vehicle drawing a non-self-propelled mobile home that has one or more set of wheels on the roadway, a driveaway-towaway operation? FMCSA-RG-390.5T-Q022 Mobile homes in driveaway-towaway operations
Question 4: If a driver furnished by another motor carrier is in the second carrier’s service for a period of 7 consecutive days or more, may the driver still fall under the exemption in §391.65? FMCSA-DQ-391.65-Q004 Drivers furnished by other motor carriers
Question 3: Does the prohibition against carrying alcoholic beverages in §392.5 apply to a driver who uses a company vehicle, for personal reasons, while off-duty? FMCSA-DQ-392.5-Q003 Alcohol prohibition
If a motor carrier maintains complete driver qualification files but cannot produce them at the time of the review or within two business days, is it in violation of §391.51? FMCSA-DQ-391.51-Q004 Driver qualification files
49 CFR 390.3T General applicability Question 19 --Government Entities FMCSA-RG-390.3T-Q019 Parties not included in the governmental exemption
§391.15 Disqualification of drivers. FMCSA-DQ-391.15-Q002 Driver disqualification
Do the FMCSRs require applicants, possessing a current medical certificate, to undergo a new physical examination as a condition of employment? FMCSA-MED-391.45-Q2 Pre-employment Driver Physical Qualification Examination