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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. FMCSA may not cite, use, or rely on any guidance that is not posted on this Guidance Portal, except to establish historical facts.

This Guidance Portal represents the exclusive source of guidance that the FMCSA has determined is in effect. In accordance with Executive Order 13891 and OMB Memorandum M-20-02, any previously issued guidance that does not appear in the Guidance Portal is considered rescinded and of no legal effect.

For more information regarding the procedures associated with the development and issuance of DOT guidance documents, please see the Department’s regulations on “Administrative Rulemaking, Guidance, and Enforcement Procedures” (December 27, 2019). To comment on any guidance document, or to request issuance, reconsideration, modification, or rescission of any guidance document in accordance with 49 CFR 5.41, send your request to: Please identify the guidance document in your request.

Subject Agency Identifier Topic Issued Date
Part 390 § 390.23 Relief from regulations If there is an ELD in the truck, what should a driver do to account for the miles driven under an emergency declaration? FMCSA-RG-390.23-FAQ020 Emergency Declarations
Part 390 § 390.23 Relief from regulations How do the hours a driver worked under an emergency exemption impact the 60/70-hour rule when the driver goes back to normal operations? FMCSA-RG-390.23-FAQ018 Emergency Declarations
Part 390 § 390.23 Relief from regulations What does a driver need to do when returning to normal operations after operating under an emergency declaration? FMCSA-RG-390.23-FAQ021 Emergency Declarations
Part 390 § 390.23 Relief from regulations Is the time spent driving to pick up a truck regulated as on duty time? FMCSA-RG-390.23-FAQ024 Emergency Declarations
§380.600 – Compliance date for training requirements for entry-level drivers FMCSA-ELDT-380.600-Q007 Commercial Driver License; Entry level Driver Training
A person is transported to a hospital from the scene of a commercial motor vehicle traffic accident. FMCSA-RG-390.5T-FAQ027 “Medical treatment” that triggers “accident” classification
Is the operation of motor vehicles designed or used to transport between 9 and 15 passengers (including the driver), in interstate commerce, by private firefighting companies transporting their employees subject to the FMCSRs? FMCSA-RG-390.3T-FAQ028 Applicability of FMCSRs to private firefighting companies transporting their own employees in 9-15 passenger CMVs
Must a motor carrier that uses a 100-air-mile radius driver write zero (0) hours on the time record for each day the driver is off duty (not working for the motor carrier)? FMCSA-HOS-395.1-FAQ29 Hours of Service
Does the exception in §395.1(k) for “drivers transporting agricultural commodities or farm supplies for agricultural purposes” cover the transportation of poultry or poultry feed? FMCSA-HOS-AG-395.1-FAQ30 Hours of Service Agricultural Commodities
Are motor vehicles being transported considered to be HM for purposes of the financial responsibility requirements, thus requiring the higher limits set forth in the regulations? FMCSA-INS-387.3-Q008 Whether motor vehicles being transported are considered hazardous materials for purposes of the financial responsibility requirements