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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
Part 380 – Entry level Driver Training Guidance Q&A (Q025) FMCSA-ELDT-380-Appendix-Q025 Commercial Driver License; Entry level Driver Training
If an individual driver had two convictions for serious traffic violations while driving a CMV, and neither the FMCSA nor his/her State licensing agency took any disqualification action, does the motor carrier have any obligation under FMCSA regulations t FMCSA-CDL-383.37-Q1 Commercial Driver License Standards; Employer Notification Requirements
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
Is a person from Puerto Rico required to surrender his or her driver’s license in order to obtain a non-domiciled CDL? FMCSA-CDL-383.21-Q1 Commercial Driver License Standards; Puerto Rico CDL
Does a receipt to drive issued pursuant to the administrative license revocation (ALR) procedure authorize the continued operation of a CMV when the license surrendered is a CDL? FMCSA-CDL-383.51-Alc-Q02 Commercial Driver License Standards; ALR Procedure
Are employees of a governmental agency who drive emergency response vehicles that transport HM in quantities requiring placarding subject to the CDL regulations? FMCSA-CDL-383.93-Q01 Commercial Driver License Standards; Emergency Vehicle HM Requirements
§383.133 – Test Methods Guidance Q&A Question 1: May a sign language interpreter be used for the commercial driver’s license (CDL) general knowledge test? FMCSA-CDL-383.133-Q001 Commercial Driver License Standards; General Knowledge Test
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
If a State disqualifies a driver for two convictions for serious traffic violations under § 383.51 and that driver is then reinstated and commits a third serious violation, what additional period of disqualification must be imposed on that driver? FMCSA-CDL-383.51-Gen-Q02 Commercial Driver License Standards; Driver Disqualification
§380.603 – Applicability Guidance Q&A Question 2: Who is exempt from entry-level driver training (ELDT) requirements? FMCSA-ELDT-380.603-Q002 Commercial Driver License; Entry level Driver Training