Cfr Title 49 Pts 400-571; Code Of Federal Regulations (2025)

Prepared and regularly updated by specific Federal agencies, then published by the Office of Federal Register (OFR) 47 CFR, Pts 400-571, includes rules, regulations, procedures, and administrative procedures associated with Title 49, Transportation.

Parts 400-449 [Reserved]

Part 450 General 450.1 – 450.16

Part 451 Testing and Approval of Containers 451.1 – 451.25

Part 452 Examination of Containers452.1 – 452.9

Part 453 Control and Enforcement 453.1 – 453.7

Parts 454-499 [Reserved]

Part 500 [Reserved]

Part 501 Organization and Delegation of Powers and Duties 501.1 – 501.8

Part 509 OMB Control Numbers for Information Collection Requirements 509.1 – 509.2

Part 510 Information Gathering Powers510.1 – 510.12

Part 511 Adjudicative Procedures511.1 – 511.78

Part 512 Confidential Business Information 512.1 – 512.23

Part 513 Whistleblower Program 513.1 – 513.12

Part 520 [Reserved]

Part 523 Vehicle Classification 523.1 – 523.10

Part 525 Exemptions from Average Fuel Economy Standards 525.1 – 525.12

Part 526 Petitions and Plans for Relief Under the Automobile Fuel Efficiency Act of 1980 526.1 – 526.5

Part 529 Manufacturers of Multistage Automobiles 529.1 – 529.6

Part 53 1Passenger Automobile Average Fuel Economy Standards 531.1 – 531.6

Part 533 Light Truck Fuel Economy Standards 533.1 – 533.6

Part 534 Rights and Responsibilities of Manufacturers in the Context of Changes in Corporate Relationships 534.1 – 534.8

Part 535 Medium- and Heavy-Duty Vehicle Fuel Efficiency Program 535.1 – 535.10

Part 536 Transfer and Trading of Fuel Economy Credits 536.1 – 536.10

Part 537Automotive Fuel Economy Reports537.1 – 537.12

Part 538Manufacturing Incentives for Alternative Fuel Vehicles538.1 – 538.9

Part 541 Federal Motor Vehicle Theft Prevention Standard 541.1 – 541.6

Part 542 Procedures for Selecting Light Duty Truck Lines to Be Covered by the Theft Prevention Standard 542.1 – 542.2

Part 543 Exemption from Vehicle Theft Prevention Standard 543.1 – 543.10

Part 545 Federal Motor Vehicle Theft Prevention Standard Phase-in and Small-Volume Line Reporting Requirements 545.1 – 545.9

Part 551 Procedural Rules 551.1 – 551.68

Part 552 Petitions for Rulemaking, Defect, and Noncompliance Orders 552.1 – 552.15

Part 553 Rulemaking Procedures 553.1 – 553.39

Part 554 Standards Enforcement and Defects Investigation 554.1 – 554.11

Part 555 Temporary Exemption from Motor Vehicle Safety and Bumper Standards 555.1 – 555.18

Part 556 Exemption for Inconsequential Defect or Noncompliance 556.1 – 556.9

Part 557 Petitions for Hearings on Notification and Remedy of Defects 557.1 – 557.8

Part 561 Documentation for Electric-Powered Vehicles 561.1 – 561.11

Part 562 Lighting and Marking of Agricultural Equipmen t562.1 – 562.11

Part 563 Event Data Recorders 563.1 – 563.12

Part 564 Replaceable Light Source and Sealed Beam Headlamp Information564.1 – 564.5

Part 565 Vehicle Identification Number (VIN) Requirements 565.1 – 565.26

Part 566 Manufacturer Identification 566.1 – 566.6

Part 567 Certification567.1 – 567.8

Part 568 Vehicles Manufactured in Two or More Stages—All Incomplete, Intermediate and Final-Stage Manufacturers of Vehicles Manufactured in Two or More Stages 568.1 – 568.7

Part 569 Regrooved Tires 569.1 – 569.9

Part 570 Vehicle in Use Inspection Standards 570.1 – 570.63

Part 571 Federal Motor Vehicle Safety Standards 571.1 – 571.500

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