What changed
Every point at which a section's wording changed, was added or was removed. Day-precise from 2017 (eCFR); before that, changes surface at the annual edition that first printed them (revised as of October 1). Current through Oct. 15, 2026.
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Changes in 2005 are dated 2005-10-01, the annual edition that first printed them. The actual effective dates fall in the twelve months before that; the bracketed Federal Register citations on each section give the precise dates.
October 1, 2005124 sections
- amended§ 40.67When and how is a directly observed collection conducted?Part 40
- amended§ 40.91What validity tests must laboratories conduct on primary specimens?Part 40
- amended§ 40.93What criteria do laboratories use to establish that a specimen is dilute or substituted?Part 40
- amended§ 40.97What do laboratories report and how do they report it?Part 40
- amended§ 40.131How does the MRO or DER notify an employee of the verification process after a confirmed positive, adulterated, substituted, or invalid test result?Part 40
- amended§ 40.145On what basis does the MRO verify test results involving adulteration or substitution?Part 40
- amended§ 40.155What does the MRO do when a negative or positive test result is also dilute?Part 40
- amended§ 40.197What happens when an employer receives a report of a dilute specimen?Part 40
- added§ 303.1Purpose.Part 303
- added§ 303.3Application of this part.Part 303
- amended§ 360.1Fees for records search, review, copying, certification, and related services.Part 360
- amended§ 360.3Filing fees.Part 360
- amended§ 365.405Applications.Part 365
- amended§ 365.411Responsive pleadings.Part 365
- amended§ 365.413Procedures for changing the name or business form of a motor carrier, freight forwarder, or property broker.Part 365
- amendedAppendix A to Part 367Appendix A to Part 367—Uniform Application for Single State Registration for Motor Carriers Registered with the Secretary of TransportationPart 367
- amendedAppendix A to Part 379Appendix A to Part 379—Schedule of Records and Periods of RetentionPart 379
- removed§ 380.500Compliance date for training requirements for entry-level drivers.Part 380
- amended§ 383.123Requirements for a school bus endorsement.Part 383
- amended§ 383.141General.Part 383
- amended§ 384.301Substantial compliance-general requirementsPart 384
- amended§ 385.405How does a motor carrier apply for a safety permit?Part 385
- amended§ 385.423Does a motor carrier have a right to an administrative review of a denial, suspension, or revocation of a safety permit?Part 385
- amendedAppendix B to Part 385Appendix B to Part 385—Explanation of Safety Rating ProcessPart 385
- amended§ 386.2Definitions.Part 386
- added§ 386.3Separation of functions.Part 386
- added§ 386.4Appearances and rights of parties.Part 386
- added§ 386.5Form of filings and extensions of time.Part 386
- added§ 386.6Service.Part 386
- added§ 386.7Filing of documents.Part 386
- added§ 386.8Computation of time.Part 386
- amended§ 386.11Commencement of proceedings.Part 386
- amended§ 386.12Complaint.Part 386
- amended§ 386.14Replies and request for hearing: Civil forfeiture proceedings.Part 386
- amended§ 386.16Action on petitions or replies.Part 386
- added§ 386.18Payment of the claim.Part 386
- amended§ 386.21Compliance order.Part 386
- amended§ 386.22Consent order.Part 386
- amended§ 386.23Content of consent order.Part 386
- amended§ 386.31Service.Part 386
- amended§ 386.32Computation of time.Part 386
- amended§ 386.33Extension of time.Part 386
- amended§ 386.34Official notice.Part 386
- amended§ 386.35Motions.Part 386
- amended§ 386.36Motions to dismiss and motions for a more definite statement.Part 386
- amended§ 386.37Discovery methods.Part 386
- amended§ 386.42Written interrogatories to parties.Part 386
- amended§ 386.46Depositions.Part 386
- amended§ 386.49Form of written evidence.Part 386
- amended§ 386.50Appearances and rights of witnesses.Part 386
- amended§ 386.51Amendment and withdrawal of pleadings.Part 386
- amended§ 386.52Appeals from interlocutory rulings.Part 386
- amended§ 386.54Administrative law judge.Part 386
- amended§ 386.61Decision.Part 386
- amended§ 386.64Reconsideration.Part 386
- amended§ 386.67Appeal.Part 386
- amended§ 386.71Injunctions.Part 386
- amended§ 386.82Civil penalties for violations of notices and orders.Part 386
- amendedAppendix A to Part 386Appendix A to Part 386—Penalty Schedule; Violations of Notices and OrdersPart 386
- amendedAppendix B to Part 386Appendix B to Part 386—Penalty Schedule; Violations and Maximum Monetary PenaltiesPart 386
- amended§ 387.15Forms.Part 387
- amended§ 387.35State authority and designation of agent.Part 387
- amended§ 390.5Definitions.Part 390
- amended§ 390.19Motor carrier identification report.Part 390
- amended§ 390.23Relief from regulations.Part 390
- amended§ 391.47Resolution of conflicts of medical evaluation.Part 391
- amended§ 391.49Alternative physical qualification standards for the loss or impairment of limbs.Part 391
- amended§ 392.33Obscured lamps or reflective devices/material.Part 392
- amended§ 393.1Scope of the rules in this part.Part 393
- amended§ 393.5Definitions.Part 393
- amended§ 393.7Matter incorporated by reference.Part 393
- amended§ 393.9Lamps operable, prohibition of obstructions of lamps and reflectors.Part 393
- amended§ 393.11Lamps and reflective devices.Part 393
- amended§ 393.17Lamps and reflectors—combinations in driveaway-towaway operation.Part 393
- amended§ 393.19Hazard warning signals.Part 393
- amended§ 393.20[Reserved]Part 393
- amended§ 393.23Power supply for lamps.Part 393
- amended§ 393.24Requirements for head lamps, auxiliary driving lamps and front fog lamps.Part 393
- amended§ 393.25Requirements for lamps other than head lamps.Part 393
- amended§ 393.26Requirements for reflectors.Part 393
- amended§ 393.27[Reserved]Part 393
- amended§ 393.28Wiring systems.Part 393
- amended§ 393.29[Reserved]Part 393
- added§ 393.31-393.33[Reserved]Part 393
- amended§ 393.40Required brake systems.Part 393
- amended§ 393.41Parking brake system.Part 393
- amended§ 393.42Brakes required on all wheels.Part 393
- amended§ 393.43Breakaway and emergency braking.Part 393
- amended§ 393.45Brake tubing and hoses; hose assemblies and end fittings.Part 393
- amended§ 393.46[Reserved]Part 393
- amended§ 393.47Brake actuators, slack adjusters, linings/pads and drums/rotors.Part 393
- amended§ 393.48Brakes to be operative.Part 393
- amended§ 393.50Reservoirs required.Part 393
- amended§ 393.51Warning signals, air pressure and vacuum gauges.Part 393
- amended§ 393.61Truck and truck tractor window construction.Part 393
- amended§ 393.62Emergency exits for buses.Part 393
- amended§ 393.63[Reserved]Part 393
- amended§ 393.67Liquid fuel tanks.Part 393
- added§ 393.68Compressed natural gas fuel containers.Part 393
- amended§ 393.70Coupling devices and towing methods, except for driveaway-towaway operations.Part 393
- amended§ 393.71Coupling devices and towing methods, driveaway-towaway operations.Part 393
- amended§ 393.75Tires.Part 393
- amended§ 393.78Windshield wiping and washing systems.Part 393
- amended§ 393.79Windshield defrosting and defogging systems.Part 393
- amended§ 393.82Speedometer.Part 393
- amended§ 393.87Warning flags on projecting loads.Part 393
- amended§ 393.92[Reserved]Part 393
- amended§ 393.94Interior noise levels in power units.Part 393
- amended§ 393.95Emergency equipment on all power units.Part 393
- amended§ 393.201Frames.Part 393
- amended§ 393.207Suspension systems.Part 393
- amended§ 393.209Steering wheel systems.Part 393
- added§ 395.0Rescission.Part 395
- amended§ 395.1Scope of rules in this part.Part 395
- amended§ 395.3Maximum driving time for property-carrying vehicles.Part 395
- amended§ 395.5Maximum driving time for passenger-carrying vehicles.Part 395
- amended§ 395.13Drivers declared out of service.Part 395
- amended§ 395.15Automatic on-board recording devices.Part 395
- amended§ 397.71Federal standards.Part 397
- amended§ 397.73Public information and reporting requirements.Part 397
- amended§ 397.75Dispute resolution.Part 397
- amended§ 397.101Requirements for motor carriers and drivers.Part 397
- amended§ 397.103Requirements for State routing designations.Part 397
- amended§ 397.205Preemption application.Part 397