USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

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 CMV group is a driver of an articulated motorcoach (bus) with a GVWR of 26,001 pounds or more required to possess? FMCSA-CDL-383.91-Q04 Commercial Driver License Standards; Articulated Bus, CDL Type
Do tow truck operators need CDLs? If so, in what vehicle group(s)? FMCSA-CDL-383.91-Q05 Commercial Driver License Standards; Tow Truck class
Do third party skills test examiners have to meet all the requirements of State-employed examiners—i.e., all the State’s qualification and training standards? FMCSA-CDL-383.75-Q02 Commercial Driver License Standards; Third Party Testing
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 States accept applications for a CLP from individuals who are not domiciled in the State but who receive CDL training within the State, and administer the knowledge test to these individuals? FMCSA-CDL-383.73-Q04 Commercial Driver License Standards; Non-domiciled CLP Applications
Does the word “issuing” as used in § 383.73(b) include both temporary 60-day CDLs and permanent CDLs? FMCSA-CDL-383.73-Q03 Commercial Driver License Standards; CDL Issuance
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
Must the State use the date of conviction, rather than the offense date, to calculate the starting and ending dates for the driver disqualification period specified in § 383.51? FMCSA-CDL-383.51-Gen-Q08 Commercial Driver License Standards; Date of Conviction
Is a driver who operates a truck tractor pulling a heavy-haul trailer attached to the tractor by means of a “jeep,” that meets the definition of a CMV under part 383 required to have a CDL with a double/triple trailer endorsement? FMCSA-CDL-383.93-Q07 Commercial Driver License Standards; Double/Triple Trailer Endorsements; Fifth Wheel
Do third party skills test examiners have to be qualified to administer skills tests in all types of CMVs? FMCSA-CDL-383.75-Q03 Commercial Driver License Standards; Third Party Testing, type of CMV