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                RegulationsRegulatory 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.KeywordsIssued Date from:Issued Date to:
       Subject
																								Agency IdentifierSort ascending
																								Topic
																								Issued DateCommercial Driver’s License Standards: Regulatory Guidance Concerning Third Party Testers Conducting the Knowledge Test, 87 Fed. Reg. 6045 (Feb. 3, 2022)
																																				FR-87FR6045(2022-02-03)
																																				Commercial Driver’s License Standards; Third Party Testing
																																				February 3, 2022Regulatory Guidance Concerning the Issuance of Commercial Learner’s Permits
																																				FR-82FR36101.2017.08.03
																																				Issuance of Commercial Learner’s Permits
																																				August 3, 2012Regulatory Guidance Concerning Crashes Involving Vehicles Striking Attenuator Trucks Deployed at Construction Sites
																																				FR-80FR15913.2015.03.26
																																				Definition of Accident
																																				March 26, 2015Tank Vehicle Definition
																																				FR-77FR30919.2012.05.24
																																				Tank Vehicle Definition
																																				May 24, 2012Regulatory Guidance on the Designation of Steerable Rear Axle Operators (Tillermen) as Drivers of Commercial Motor Vehicles, 76 Fed. Reg. 32327
																																				FR-76FR32327.2011.06.06
																																				49 CFR 383.3 and 390.5
																																				June 6, 2011Question 2: Is it the intent of § 396.9 to allow "out of service" vehicles to be towed?
																																				FMCSA-VM-396.9-Q002
																																				Vehicle inspections
																																				April 4, 1997Question 1: Under what conditions may a vehicle that has been placed ‘‘out of service’’ under § 396.3 be moved?
																																				FMCSA-VM-396.9-Q001
																																				Vehicle inspections
																																				April 4, 1997Question 2: § 396.3(b)(4) refers to a record of tests. What tests are required of push-out windows and emergency door lamps on buses?
																																				FMCSA-VM-396.3Q002
																																				Vehicle inspection, repair and maintenance
																																				April 4, 1997Question 5: Where must vehicle inspection and maintenance records be retained if a vehicle is not housed or maintained at a single location?
																																				FMCSA-VM-396.3-Q005
																																				Vehicle inspection, repair and maintenance
																																				April 4, 1997Question 4: Is computerized recordkeeping of CMV inspection and maintenance information permissible under § 396.3 of the FMCSRs?
																																				FMCSA-VM-396.3-Q004
																																				Vehicle inspection, repair and maintenance
																																				April 4, 1997

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