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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
Do tow truck operators who hold a CDL require endorsements to tow “endorsable” vehicles? FMCSA-CDL-383.93-Q08 Commercial Driver License Standards; Towing; Emergency and First Moves
Are public transit employees known as “hostlers,” who maintain and park transit buses on transit system property, subject to CDL requirements? FMCSA-CDL-383.3-Q10 Commercial Driver License Standards; Passenger Carrier
Are drivers of non-military amphibious landing craft that are usually used in water but occasionally used on a public highway, such as those used for sightseeing tours, subject to the CDL requirements? FMCSA-CDL-383.3-Q11 Commercial Driver License Standards; Non-military Amphibious Landing Craft
May a State (1) require an applicant for a CDL farmer waiver (§ 383.3(d)) to take HM training as a condition for being granted a waiver; and (2) reduce the 150-mile provision in the waiver to 50 miles if the driver is transporting HM? FMCSA-CDL-383.3-Q18 Commercial Driver License Standards; Farm Vehicles
Does the FMCSA include the Space Cargo Transportation System (SCTS) off-road motorized military equipment under the definitions of “motor vehicle” and “commercial motor vehicle” as used in § 383.5? FMCSA-CDL-383.3-Q14 Commercial Driver License Standards; Space Cargo Transportation
Do active duty military personnel, not wearing military uniforms, qualify for a waiver from the CDL requirements if the CMVs are rental trucks or leased buses from the General Services Administration? FMCSA-CDL-383.3-Q15 Commercial Driver License Standards; Active Duty Military – Rental Trucks
May fuel be considered “farm supplies” as used in § 383.3(d)(1)? FMCSA-CDL-383.3-Q16 Commercial Driver License Standards; Farm Supplies
Is the transportation of seed-cotton modules from the cotton field to the gin by a module transport vehicle considered a form of custom harvesting activity that may be included under the FRSI waiver (§ 383.3(f))? FMCSA-CDL-383.3-Q17 Commercial Driver License Standards; Custom Harvesting Activity
May a truck tractor (as defined in 49 CFR 390.5) be driven on public roads by a driver with a Class B CDL? FMCSA-CDL-383.91-Q06 Commercial Driver License Standards; Class B Truck Tractor CDL Requirements
May a farmer who meets all of the conditions for a farm waiver be waived from the CDL requirements when transporting another farmer’s products absent any written or verbal contract? FMCSA-CDL-383.3-Q20 Commercial Driver License Standards; Custom Harvesters; trees