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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and OMB Memorandum M-20-02, any previously issued guidance that does not appear in the Guidance Portal is considered rescinded and of no legal effect.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 regulationsIs the driver required to use a paper logbook or ELD when providing direct assistance under an emergency declaration? FMCSA-RG-390.23-FAQ019 Emergency Declarations
Part 390 § 390.23 Relief from regulations What documentation is needed to verify that the driver is operating under an emergency declaration? FMCSA-RG-390.23-FAQ022 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
Many small school districts are affiliated through service units which are, in essence, a coalition of individual districts. Can these school districts have one common confidant for purposes of receiving results and keeping records? FMCSA-D&A -382.401-Q01 Drug & Alcohol Testing – Record Retention
Part 387 Section § 387.39: Forms. FMCSA-INS-387.39-Q001 Aggregation of insurance to meet financial responsibility requirements
What is the applicability of the FMCSRs to school bus operations performed by Indian Tribal Governments? FMCSA-RG-390.3T-Q012 Applicability of FMCSRs to Indian school bus operations
What level of insurance is required for a carrier operating a multi-compartment cargo tank that is transporting a hazardous substance, where each compartment is less than 3,500 water gallon capacity, and the total capacity is greater than 3,500 water gall FMCSA-INS-387.9-Q004 Insurance requirements for multi-compartment cargo tanks
Are volunteer drivers subject to alcohol and drug testing? FMCSA-D&A-382.103-FAQ007 Applicability of drug and alcohol testing requirements to volunteer drivers