2011 US Code
Title 49 - Transportation
Subtitle VI - MOTOR VEHICLE AND DRIVER PROGRAMS (§§ 30101 - 33118)
Part B - COMMERCIAL (§§ 31100 - 31708)
Chapter 311 - COMMERCIAL MOTOR VEHICLE SAFETY (§§ 31100 - 31161)
Subchapter III - SAFETY REGULATION (§§ 31131 - 31151)
Section 31147 - Limitations on authority

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Metadata
Publication TitleUnited States Code, 2006 Edition, Supplement 5, Title 49 - TRANSPORTATION
CategoryBills and Statutes
CollectionUnited States Code
SuDoc Class NumberY 1.2/5:
Contained WithinTitle 49 - TRANSPORTATION
SUBTITLE VI - MOTOR VEHICLE AND DRIVER PROGRAMS
PART B - COMMERCIAL
CHAPTER 311 - COMMERCIAL MOTOR VEHICLE SAFETY
SUBCHAPTER III - SAFETY REGULATION
Sec. 31147 - Limitations on authority
Containssection 31147
Date2011
Laws in Effect as of DateJanuary 3, 2012
Positive LawYes
Dispositionstandard
Source CreditPub. L. 103-272, §1(e), July 5, 1994, 108 Stat. 1013.
Statutes at Large References98 Stat. 2853
108 Stat. 1013
Public Law ReferencesPublic Law 98-554, Public Law 103-272

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49 USC § 31147 (2011)
§31147. Limitations on authority

(a) Traffic Regulations.—This subchapter does not authorize the Secretary of Transportation to prescribe traffic safety regulations or preempt State traffic regulations. However, the Secretary may prescribe traffic regulations to the extent their subject matter was regulated under parts 390–399 of title 49, Code of Federal Regulations, on October 30, 1984.

(b) Regulating the Manufacturing of Vehicles.—This subchapter does not authorize the Secretary to regulate the manufacture of commercial motor vehicles for any purpose, including fuel economy, safety, or emission control.

(Pub. L. 103–272, §1(e), July 5, 1994, 108 Stat. 1013.)

Historical and Revision Notes
Revised

Section

Source (U.S. Code)Source (Statutes at Large)
31147(a) 49 App.:2519(a). Oct. 30, 1984, Pub. L. 98–554, §229, 98 Stat. 2853.
31147(b) 49 App.:2519(b).

In subsection (a), the word “prescribe” is substituted for “establish or maintain” for consistency in the revised title and with other titles of the United States Code.

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