; and (B) the outcome of any criminal investigation relating to those thefts. (h) Funding (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. 4. Requirements for purchase of catalytic converters and retention of seller information (a) Inclusion of catalytic converters Section 33101(6) of title 49, United States Code, 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 ; 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