Title 49 › Subtitle SUBTITLE IV— INTERSTATE TRANSPORTATION › Part B— MOTOR CARRIERS, WATER CARRIERS, BROKERS, AND FREIGHT FORWARDERS › Chapter 145— FEDERAL-STATE RELATIONS › § 14506
States, local governments, interstate agencies, and other multi-state public agencies cannot force motor carriers, motor private carriers, freight forwarders, or leasing companies to put any kind of ID on or in a commercial motor vehicle (see section 14504a), except for the ID the U.S. Secretary of Transportation requires under 49 C.F.R. §390.21. A State may still require certain specific credentials. These include those under the International Registration Plan (sec. 31704); the International Fuel Tax Agreement (sec. 31705) or a State highway-use tax form if, on October 1, 2006, the State had a highway use tax not collected through IFTA; State license plates or displays the Secretary approves; Federal hazardous materials rules (sec. 5103); and Federal vehicle inspection rules (sec. 31136).
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Transportation — Source: USLM XML via OLRC
Legislative History
Reference
Citation
49 U.S.C. § 14506
Title 49 — Transportation
Last Updated
Apr 5, 2026
Release point: 119-73not60