PART Act
S. 2238119th Congress

PART Act

Introduced in the SenateSen. Amy Klobuchar (D-MN)111 sections · 9 min read
Version: Introduced in Senate · Jul 10, 2025

Section 1. Short title

This Act may be cited as the Preventing Auto Recycling Theft Act or the PART Act.

Section 2. Definition of catalytic converter

In this Act, the term catalytic converter means any of the following:

(1) Any device installed in the exhaust system of an internal combustion engine that utilizes catalytic action to oxidize hydrocarbon (HC) and carbon monoxide (CO) emissions to carbon dioxide (CO 2) and water (H 2 O).

(2) A diesel oxidation catalyst.

(3) A diesel particulate filter.

(a) In general

Not later than 180 days after the date of enactment of this Act, the Administrator of the National Highway Traffic Safety Administration (referred to in this section as the Administrator) shall—

(1) issue a notice of proposed rulemaking to revise the motor vehicle theft prevention standard contained in section 541.5 of title 49, Code of Federal Regulations (or a successor regulation), to include catalytic converters among the parts specified in subsection (a) of that section;

(2) issue a notice of proposed rulemaking to revise part 543 of title 49, Code of Federal Regulations (or successor regulations), to require that, notwithstanding the granting of a petition under that part, all catalytic converters be marked in accordance with section 541.5 of that title (as revised pursuant to paragraph (1)); and

(3) update other regulations, as necessary, to ensure that, with respect to catalytic converters, the requirements of section 541.5 and part 543 of title 49, Code of Federal Regulations (as revised in accordance with paragraphs (1) and (2), respectively), apply to any vehicle covered by part 565 of that title (or successor regulations).

(b) Application

Notwithstanding any provision of chapter 331 of title 49, United States Code, in the case of a vehicle described in section 565.2 of title 49, Code of Federal Regulations (or a successor regulation), that has not been sold to the first purchaser (as defined in section 33101 of title 49, United States Code), the requirements added to section 541.5 of title 49, Code of Federal Regulations (or a successor regulation), by the Administrator in accordance with paragraph (1) of subsection (a) shall apply to the vehicle beginning on the date that is 180 days after the date on which the Administrator makes the revisions and updates required by that subsection, regardless of the model year of the vehicle or the date on which the vehicle is manufactured.

(c) Definition of catalytic converter

Section 33101 of title 49, United States Code, is amended—

(1) in each of paragraphs (1) through (11)—

(A) by inserting The term after the paragraph designation; and

(B) by adding a paragraph heading the text of which comprises the term defined in the paragraph;

(2) by redesignating paragraphs (1) through (11) as paragraphs (2) through (12), respectively; and

(3) in the matter preceding paragraph (2) (as so redesignated), by striking chapter— and inserting the following: “chapter:

(1) Catalytic converter

The term catalytic converter means any of the following:

(A) Any device installed in the exhaust system of an internal combustion engine that utilizes catalytic action to oxidize hydrocarbon (HC) and carbon monoxide (CO) emissions to carbon dioxide (CO 2) and water (H 2 O).

(B) A diesel oxidation catalyst.

(C) A diesel particulate filter.

(d) Marking of catalytic converters notwithstanding an exemption

Section 33106 of title 49, United States Code, is amended—

(1) in subsection (c)—

(A) in paragraph (2), by striking and at the end;

(B) by redesignating paragraph (3) as paragraph (4); and

(C) by inserting after paragraph (2) the following:

(3) a certification that the catalytic converter will be marked in accordance with sections 33101 through 33104, including associated regulations; and

(C) ; and

(2) by adding at the end the following:

(1) In general

The Administrator of the National Highway Traffic Safety Administration shall promulgate regulations requiring catalytic converters on a vehicle line to be marked in accordance with sections 33101 through 33104, including associated regulations.

(2) Unique part identification numbers

In promulgating regulations under paragraph (1), the Administrator of the National Highway Traffic Safety Administration shall allow for a marking described in that paragraph to include a unique part identification number (as defined in section 33111(b)(1)) that is included in a database that is accessible by law enforcement.

(a) Definitions

In this section:

(A) In general

The term covered activity, with respect to a motor vehicle, means die or pin stamping of an identification number described in subparagraph (B) on the outside of the catalytic converter in a conspicuous manner.

(B) Identification number described

An identification number referred to in subparagraph (A) is—

(i) the full vehicle identification number of the motor vehicle in which the catalytic converter was originally installed; or

(ii) a unique part identification number that is included in a database that—

(I) is accessible by law enforcement; and

(II) allows for the retrieval of the full vehicle identification number of the motor vehicle in which the catalytic converter was originally installed based on that part identification number.

(C) Stamping

For purposes of subparagraph (A), the term stamping means stamping—

(i) in a typed (not handwritten) font; and

(ii) covered through the application of a coat of high-visibility, high-heat theft deterrence paint.

(2) Eligible entity

The term eligible entity means—

(A) a law enforcement agency;

(B) an automobile dealer;

(C) an owner or lessee of a centrally maintained vehicle fleet;

(D) an automobile repair shop and service center; and

(E) a nonprofit organization.

(3) Secretary

The term Secretary means the Secretary of Transportation.

(b) Establishment

Not later than 180 days after the date of enactment of this Act, the Secretary shall establish a program to provide grants to eligible entities to carry out covered activities (excluding wages) relating to catalytic converters.

(c) Application

To be eligible to receive a grant under this section, an eligible entity shall submit to the Secretary an application at such time, in such manner, and containing such information as the Secretary may require.

(d) Requirement

A covered activity carried out with a grant awarded under this section shall be carried out at no cost to the owner of—

(1) the motor vehicle being stamped; or

(2) any motor vehicle otherwise receiving service from an eligible entity.

(e) Priority

In awarding grants under this section, the Secretary shall give priority to—

(1) eligible entities operating in areas with the highest need for covered activities, including the areas with the highest rates of catalytic converter theft, as determined by the Secretary; and

(2) eligible entities that are in possession of motor vehicles that are subject to the requirement described in section 3(b).

(f) Procedures for marking

In carrying out the grant program under this section, the Secretary shall issue such regulations as are necessary to establish procedures to mark catalytic converters of vehicles most likely to be targeted for theft with unique identification numbers using a combination of die or pin stamping and high-visibility, high-heat theft deterrence paint without damaging the function of the catalytic converter.

(g) Annual report

Not later than 1 year after the date of enactment of this Act, and annually thereafter for 10 years, the Secretary shall submit to Congress a report on the grant program established under subsection (b) that includes a description of the progress, results, and any findings of the grant program, including—

(1) the total number of catalytic converters marked under the grant program; and

(A) to the extent known, whether any catalytic converters marked under the grant program were stolen; and

(B) the outcome of any criminal investigation relating to those thefts.

(1) Unobligated funding available

Of the unobligated amounts appropriated by the American Rescue Plan Act of 2021 (Public Law 117–2; 135 Stat. 4), $7,000,000 shall be made available to carry out this section.

(2) Authorization of appropriations

In the event that the total of $7,000,000 of the funds described in paragraph (1) may not be made available to carry out this section, there is authorized to be appropriated to carry out this section an amount equal to the remaining funding necessary to total $7,000,000.

(a) Inclusion of catalytic converters

Section 33101(7) of title 49, United States Code (as redesignated by section 3(c)), is amended—

(1) in subparagraph (K), by striking and after the semicolon at the end;

(2) by redesignating subparagraph (L) as subparagraph (M);

(3) by inserting after subparagraph (K) the following:

(L) the catalytic converter; and

(3) ; and

(4) in subparagraph (M) (as so redesignated), by striking subclauses (A)–(K) of this clause and inserting subparagraphs (A) through (L) of this paragraph.

(b) Retention of records

Section 33111 of the title 49, United States Code, is amended—

(1) in subsection (a), in the subsection heading, by striking General requirements and inserting Prohibitions related to selling motor vehicle parts;

(2) by redesignating subsections (b) and (c) as subsections (c) and (d), respectively; and

(3) by inserting after subsection (a) the following:

(1) Definitions

In this subsection:

(A) Precious metals

The term precious metals has the meaning given the term in section 109–27.5101 of title 41, Code of Federal Regulations (or a successor regulation).

(B) Unique part identification number

The term unique part identification number, with respect to a motor vehicle part, means a unique part identification number that—

(i) is marked, etched, or engraved on the motor vehicle part; and

(ii) is tied directly to the vehicle identification number of the vehicle on which the part was originally installed.

(2) Requirement

A seller of motor vehicle parts that contain precious metals, including a person engaged in the business of salvaging, dismantling, recycling, or repairing motor vehicle parts that contain precious metals, shall provide to a purchaser on the sale of the motor vehicle part—

(A) the name, address, telephone number, and a photocopy of a government-issued identification of the seller; and

(B) the vehicle identification number of the motor vehicle on which the motor vehicle part was originally installed or the unique part identification number.

(3) Duration of retention

A person shall retain the information described in paragraph (2) for a period of not less than 2 years.

(c) Prohibition on sale of certain catalytic converters

It shall be unlawful to sell or purchase any catalytic converter which has had identifying markings removed or otherwise tampered with.

(1) In general

Any sale or purchase of a catalytic converter shall be made with a traceable form of payment, such as a check or a wire transfer.

(2) Prohibition

It shall be unlawful to sell or purchase a catalytic converter for cash or a digital asset.

(e) Regulations

The Attorney General shall prescribe regulations to carry out this section and the amendments made by this section, including the enforcement and penalties that apply to a violation of this section and the amendments made by this section.

(a) Theft of catalytic converters

Chapter 31 of title 18, United States Code, is amended—

(1) by adding at the end the following:

(a) Definitions

In this section:

(1) Catalytic converter

The term catalytic converter means any of the following:

(A) Any device installed in the exhaust system of an internal combustion engine that utilizes catalytic action to oxidize hydrocarbon (HC) and carbon monoxide (CO) emissions to carbon dioxide (CO 2) and water (H 2 O).

(B) A diesel oxidation catalyst.

(C) A diesel particulate filter.

(2) Precious metals

The term precious metals has the meaning given the term in section 109–27.5101 of title 41, Code of Federal Regulations, or any successor regulation.

(b) Offense

It shall be unlawful to steal or knowingly and unlawfully take, carry away, or conceal a catalytic converter from another person’s motor vehicle, or knowingly purchase such a catalytic converter, with the intent to distribute, sell, or dispose of the catalytic converter or any precious metal removed therefrom in interstate or foreign commerce.

(1) In general

Any person who violates subsection (b) shall be fined under this title, imprisoned not more than 5 years, or both.

(2) Concurrent sentences

Any term of imprisonment imposed on a person under paragraph (1) shall run concurrently with any other term of imprisonment imposed on the person at the same time for an offense arising out of the same conduct.

(1) ; and

(2) in the table of sections, by adding at the end the following:

(b) Definitions

Section 2311 of title 18, United States Code, is amended by inserting after for running on land but not on rails; the following:

(b) Definitions

Precious metals has the meaning given the term in section 109–27.5101 of title 41, Code of Federal Regulations, or any successor regulation;

(c) Trafficking in car parts containing precious metals

Section 2321 of title 18, United States Code, is amended by adding at the end the following:

(1) Definition of catalytic converter

In this subsection, the term catalytic converter means any of the following:

(A) Any device installed in the exhaust system of an internal combustion engine that utilizes catalytic action to oxidize hydrocarbon (HC) and carbon monoxide (CO) emissions to carbon dioxide (CO 2) and water (H 2 O).

(B) A diesel oxidation catalyst.

(C) A diesel particulate filter.

(2) Offense

It shall be unlawful to buy, receive, possess, or obtain control of, with intent to sell or otherwise dispose of, a catalytic converter, knowing that the catalytic converter has been stolen.

(A) In general

Subject to subparagraph (B), any person who violates paragraph (2) shall be fined under this title, imprisoned not more than 5 years, or both.

(B) Concurrent sentences

Any term of imprisonment imposed on a person under subparagraph (A) shall run concurrently with any other term of imprisonment imposed on the person at the same time for an offense arising out of the same conduct.

(d) Chop shops

Section 2322(b) of title 18, United States Code, is amended to read as follows:

(b) Definition

For purposes of this section, the term chop shop means any building, lot, facility, or other structure or premise where 1 or more persons engage in receiving, concealing, destroying, disassembling, dismantling, reassembling, or storing any motor vehicle or motor vehicle part that has been unlawfully obtained in order to alter, counterfeit, deface, destroy, disguise, falsify, forge, obliterate, extract any precious metal therefrom, or remove the identity, including the vehicle identification number or derivative thereof, or other identification marking, of the vehicle or vehicle part and to distribute, sell, or dispose of the vehicle or vehicle part, or precious metal extracted from the vehicle or vehicle part, in interstate or foreign commerce.

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