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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 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
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 persons transporting battery-powered forklifts need to obtain an HM endorsement? FMCSA-CDL-383.93-Q04 Commercial Driver License Standards; HM Endorsement Requirements
Does an unattached tote or portable tank with a cargo capacity of 1,000 gallons or more meet the definition of “portable tank” requiring a tank vehicle endorsement on the driver’s CDL? FMCSA-CDL-383.93-Q06 Commercial Driver License Standards; Unattached Totes or Tanks
Must a civilian operator of a CMV, as defined in § 383.5, who operates wholly within a military facility open to public travel, have a CDL? FMCSA-CDL-383.3-Q12 Commercial Driver License Standards – Civilian CMV Operators Within Military Facility
Are drivers of double and triple saddle mount combinations required to have the double/triple trailers endorsement on their CDLs? FMCSA-CDL-383.93-Q05 Commercial Driver License Standards; Double and Triple Combinations
Would the driver in the following scenarios be required to have a CDL with an HM endorsement? FMCSA-CDL-383.93-Q02 Commercial Driver License Standards; HM Endorsement Requirements
Are police officers who operate buses and vans which are designed to transport 16 or more passengers, including the driver, and are used to transport police officers during demonstrations and other crowd control activities required to obtain a CDL? FMCSA-CDL-383.3-Q13 Commercial Driver License Standards - Police Officers Driving Buses and Vans
May a State exempt CMV drivers employed by a partnership, corporation or an association engaged in farming from the CDL requirements under the farmer waiver (§ 383.3(d)) or is the waiver only available to drivers employed by a family-owned farm? FMCSA-CDL-383.3-Q21 Commercial Driver License Standards; Operators of a Farm Vehicle
Must all drivers of vehicles required to be placarded have CDLs containing the HM endorsement? FMCSA-CDL-383.93-Q03 Commercial Driver License Standards; HM Endorsement Requirements