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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
What standards under the FMCSRs must be met when a liquid fuel tank is repaired or replaced? FMCSA-VEH-393.67-Q03 Repairing/replacing liquid fuel tanks
Must an SAP evaluation be conducted in person or may it be conducted telephonically? FMCSA-D&A-382.605-Q1 Guidance on SAP evaluation
Driver Vehicle Inspection Reports FMCSA-VM-396.11-Q018 Driver vehicle inspection reports
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
May a motor carrier require fingerprinting as a pre-employment condition? FMCSA-RG-390.3T-Q009 Applicability of FMCSRs to school bus drivers
What is the meaning of ‘‘immediate’’ as used in the definition of ‘‘accident?’’ FMCSA-RG-390.5T-Q019 Meaning of “immediate” medical treatment after “accident”
May a driver use a record of duty status form as a time record to meet the requirement contained in the 100-air-mile radius exemption? FMCSA-HOS-395.1-Q16 Hours of Service Exceptions
May a decal designed to comply with the periodic inspection documentation requirements of § 396.17 be displayed on the windshields or side windows of a CMV? FMCSA-VEH-393.60-Q02 May CVSA decals be displayed on windows?
Question 17: Can you clarify the DOT’s intent with respect to a SAP's determination that an individual needs education? FMCSA-D&A-382.605-Q17 Drug & Alcohol Testing – SAP Referral to Education Program