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.
Get an email when the rules change
202620252024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997
Changes in 2010 are dated 2010-10-01, 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, 2010116 sections
- amended§ 40.3What do the terms used in this part mean?Part 40
- added§ 40.14What collection information must employers provide to collectors?Part 40
- amended§ 40.23What actions do employers take after receiving verified test results?Part 40
- amended§ 40.45What form is used to document a DOT urine collection?Part 40
- amended§ 40.61What are the preliminary steps in the collection process?Part 40
- amended§ 40.63What steps does the collector take in the collection process before the employee provides a urine specimen?Part 40
- amended§ 40.83How do laboratories process incoming specimens?Part 40
- amended§ 40.87What are the cutoff concentrations for drug tests?Part 40
- amended§ 40.97What do laboratories report and how do they report it?Part 40
- amended§ 40.103What are the requirements for submitting blind specimens to a laboratory?Part 40
- amended§ 40.121Who is qualified to act as an MRO?Part 40
- amended§ 40.129What are the MRO's functions in reviewing laboratory confirmed non-negative drug test results?Part 40
- amended§ 40.139On what basis does the MRO verify test results for codeine and morphine?Part 40
- added§ 40.140On what basis does the MRO verify test results for 6-acetylmorphine (6-AM)?Part 40
- amended§ 40.149May the MRO change a verified drug test result?Part 40
- amended§ 40.151What are MROs prohibited from doing as part of the verification process?Part 40
- amended§ 40.159What does the MRO do when a drug test result is invalid?Part 40
- amended§ 40.163How does the MRO report drug test results?Part 40
- amended§ 40.187What does the MRO do with split specimen laboratory results?Part 40
- amended§ 40.191What is a refusal to take a DOT drug test, and what are the consequences?Part 40
- amended§ 40.193What happens when an employee does not provide a sufficient amount of urine for a drug test?Part 40
- amended§ 40.203What problems cause a drug test to be cancelled unless they are corrected?Part 40
- amended§ 40.209What procedural problems do not result in the cancellation of a test and do not require correction?Part 40
- amended§ 40.213What training requirements must STTs and BATs meet?Part 40
- amended§ 40.225What form is used for an alcohol test?Part 40
- amended§ 40.307What is the SAP's function in prescribing the employee's follow-up tests?Part 40
- amended§ 40.355What limitations apply to the activities of service agents?Part 40
- amended§ 40.409What does the issuance of a PIE mean to transportation employers?Part 40
- amendedAppendix B to Part 40 - DOT Drug Testing Semi-Annual Laboratory Report to EmployersAppendix B to Part 40 - DOT Drug Testing Semi-Annual Laboratory Report to EmployersPart 40
- amendedAppendix C to Part 40 - DOT Drug Testing Semi-Annual Laboratory Report to DOTAppendix C to Part 40 - DOT Drug Testing Semi-Annual Laboratory Report to DOTPart 40
- amendedAppendix G to Part 40Appendix G to Part 40—Alcohol Testing FormPart 40
- amendedAppendix H to Part 40 - DOT Drug and Alcohol Testing Management Information System (MIS) Data Collection FormAppendix H to Part 40 - DOT Drug and Alcohol Testing Management Information System (MIS) Data Collection FormPart 40
- amended§ 325.91Exhaust systems.Part 325
- amended§ 350.201What conditions must a State meet to qualify for Basic Program Funds?Part 350
- amended§ 365.109FMCSA review of the application.Part 365
- removed§ 367.1Definitions.Part 367
- removed§ 367.2Participation by States.Part 367
- removed§ 367.3Selection of registration State.Part 367
- removed§ 367.4Requirements for registration.Part 367
- removed§ 367.5Registration receipts.Part 367
- removed§ 367.6Registration State accounting.Part 367
- removed§ 367.7Violations unlawful; criminal penalties and civil sanctions.Part 367
- amended§ 367.20Fees under the Unified Carrier Registration Plan and Agreement for each registration year until any subsequent adjustment in the fees becomes effective.Part 367
- added§ 367.30Fees under the Unified Carrier Registration Plan and Agreement for registration years beginning in 2010.Part 367
- removedAppendix A to Subpart A of Part 367Appendix A to Subpart A of Part 367—Uniform Application for Single State Registration for Motor Carriers Registered With the Secretary of TransportationPart 367
- amendedAppendix F to Subchapter B of Chapter IIIAppendix F to Subchapter B of Chapter III—Commercial ZonesPart 372
- amended§ 382.309Return-to-duty testing.Part 382
- amended§ 382.311Follow-up testing.Part 382
- amended§ 383.5Definitions.Part 383
- amended§ 383.51Disqualification of drivers.Part 383
- amended§ 383.71Driver application procedures.Part 383
- amended§ 383.73State procedures.Part 383
- amended§ 383.153Information on the document and application.Part 383
- amended§ 384.301Substantial compliance-general requirements.Part 384
- amended§ 385.1Purpose and scope.Part 385
- amended§ 385.3Definitions and acronyms.Part 385
- amended§ 385.5Safety fitness standard.Part 385
- amended§ 385.9Determination of a safety rating.Part 385
- amended§ 385.11Notification of safety rating and safety fitness determination.Part 385
- amended§ 385.13Unsatisfactory rated motor carriers; prohibition on transportation; ineligibility for Federal contracts.Part 385
- amended§ 385.15Administrative review.Part 385
- amended§ 385.17Change to safety rating based upon corrective actions.Part 385
- amended§ 385.19Safety fitness information.Part 385
- amended§ 385.405How does a motor carrier apply for a safety permit?Part 385
- amended§ 385.407What conditions must a motor carrier satisfy for FMCSA to issue a safety permit?Part 385
- added§ 385.801Purpose and scope.Part 385
- added§ 385.803Definitions and acronyms.Part 385
- added§ 385.805Events triggering issuance of remedial directive and proposed determination of unfitness.Part 385
- added§ 385.807Notice and issuance of remedial directive.Part 385
- added§ 385.809[Reserved]Part 385
- added§ 385.811Proof of compliance with remedial directive.Part 385
- added§ 385.813Issuance and conditional rescission of proposed unfitness determination.Part 385
- added§ 385.815Exemption for AOBRD users.Part 385
- added§ 385.817Administrative review.Part 385
- added§ 385.819Effect of failure to comply with remedial directive.Part 385
- amendedAppendix B to Part 385Appendix B to Part 385—Explanation of Safety Rating ProcessPart 385
- addedAppendix C to Part 385Appendix C to Part 385—Regulations Pertaining to Remedial Directives in Part 385, Subpart JPart 385
- amended§ 386.83Sanction for failure to pay civil penalties or abide by payment plan; operation in interstate commerce prohibited.Part 386
- amended§ 387.11State authority and designation of agent.Part 387
- amended§ 387.35State authority and designation of agent.Part 387
- amended§ 387.301Surety bond, certificate of insurance, or other securities.Part 387
- amended§ 387.303Security for the protection of the public: Minimum limits.Part 387
- amended§ 387.313Forms and procedures.Part 387
- amended§ 387.315Insurance and surety companies.Part 387
- amended§ 387.403General requirements.Part 387
- amended§ 387.409Insurance and surety companies.Part 387
- amended§ 387.413Forms and procedure.Part 387
- amended§ 389.11General.Part 389
- added§ 389.39Direct final rulemaking proceduresPart 389
- amended§ 390.3General applicability.Part 390
- amended§ 390.5Definitions.Part 390
- amended§ 390.21Marking of self-propelled CMVs and intermodal equipment.Part 390
- amended§ 390.40What responsibilities do intermodal equipment providers have under the Federal Motor Carrier Safety Regulations (49 CFR parts 350-399)?Part 390
- amended§ 391.2General exceptions.Part 391
- amended§ 391.15Disqualification of drivers.Part 391
- amended§ 391.21Application for employment.Part 391
- amended§ 391.23Investigation and inquiries.Part 391
- amended§ 391.41Physical qualifications for drivers.Part 391
- amended§ 391.51General requirements for driver qualification files.Part 391
- amended§ 392.7Equipment, inspection and use.Part 392
- added§ 392.80Prohibition against texting.Part 392
- amended§ 393.55Antilock brake systems.Part 393
- amended§ 393.102What are the minimum performance criteria for cargo securement devices and systems?Part 393
- amended§ 395.2Definitions.Part 395
- amended§ 395.8Driver's record of duty status.Part 395
- added§ 395.10[Reserved]Part 395
- added§ 395.11Supporting documents for drivers using EOBRs.Part 395
- added§ 395.12[Reserved]Part 395
- amended§ 395.13Drivers declared out of service.Part 395
- amended§ 395.15Automatic on-board recording devices.Part 395
- added§ 395.16Electronic on-board recording devices.Part 395
- added§ 395.18Matter incorporated by reference.Part 395
- addedAppendix A to Part 395Appendix A to Part 395—Electronic On-Board Recorder Performance SpecificationsPart 395
- amended§ 396.9Inspection of motor vehicles in operation.Part 396
- amended§ 396.11Driver vehicle inspection report(s).Part 396
- amended§ 396.12Procedures for intermodal equipment providers to accept reports required by § 390.42(b) of this chapter.Part 396