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The PART Act aims to prevent theft of catalytic converters and other precious metal car parts by establishing new requirements for vehicle manufacturers, creating a grant program for VIN stamping, setting rules for purchasing and selling catalytic converters, and imposing criminal penalties for theft and trafficking. Sec. 2, Catalytic converter defined: Defines a catalytic converter as a device in an internal combustion engine's exhaust system that reduces emissions, including diesel oxidation catalysts and diesel particulate filters. Sec. 3, Requirements for new motor vehicles relating to catalytic converters: Requires the National Highway Traffic Safety Administration to revise theft prevention standards to include catalytic converters, mandate marking with unique part identification numbers accessible by law enforcement, and apply these rules to vehicles not yet sold to first purchasers within 6 months. Sec. 4, Grant program for VIN stamping: Establishes a $7 million grant program for law enforcement, dealers, fleet owners, repair shops, and nonprofits to stamp vehicle identification numbers or unique part numbers on catalytic converters using high-visibility paint, prioritizing high-theft areas and vehicles covered by Sec. 3. Sec. 5, Requirements for purchase of catalytic converters and retention of seller information: Requires businesses dealing in motor vehicle parts with precious metals to retain seller records for 2 years, prohibits sale or purchase of catalytic converters with removed markings, and mandates traceable payment methods like checks, banning cash or cryptocurrency. Sec. 6, Criminal penalties: Makes theft of catalytic converters a federal crime punishable by up to 5 years in prison, prohibits trafficking in stolen catalytic converters, and expands the definition of chop shops to include extracting precious metals from vehicle parts.
Summary of the bill text as introduced in House (Sep 9, 2025), generated by SecBot from the official bill text; the Library of Congress summary is not yet published.
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Official record from Congress.gov, the House Clerk and the Senate; lobbying from Lobbying Disclosure Act filings. Updated Oct 27, 2026.