; (iii) by striking September 30, 2022 in paragraph (2) and inserting September 30, 2025 ; and (iv) by striking July 1, 2023 in paragraph (2) and inserting July 1, 2025 ; and (B) in subsection (c)(2), by striking July 1, 2023 and inserting July 1, 2025 . (2) Motorboat and small-engine fuel tax transfers (A) In general Paragraphs (3)(A)(i) and (4)(A) of section 9503(c) of such Code are each amended by striking October 1, 2022 and inserting October 1, 2025 . (B) Conforming amendments to land and water conservation fund Section 200310 of title 54, United States Code, is amended by striking October 1, 2023 each place it appears and inserting October 1, 2025 ; and (ii) by striking October 1, 2022 and inserting October 1, 2025. (f) Effective date The amendments made by this section shall take effect on October 1, 2020. 1004. Additional contract authority (a) In general Notwithstanding any other provision of law, for each of fiscal years 2021 through 2025, any excess amount authorized to be appropriated from the Highway Account or the Mass Transit Account shall be distributed as described in subsection (b). (b) Adjustment to core account programs For each fiscal year in which an excess amount as described in subsection (a) is authorized to be appropriated from the Highway Account or the Mass Transit Account, the Secretary shall— (1) under section 1001 of this Act make available for core account programs authorized from such account an amount equal to the amount authorized for such programs in fiscal year 2020 under the FAST Act; (2) under this section, make available an additional amount for such programs equal to the excess amount authorized to be appropriated as described in subsection (a)