; and (2) by striking paragraph (2). (h) Joint proposals Section 41740 of title 49, United States Code, and the item relating to such section in the analysis for subchapter II of chapter 417 of such title, are repealed. (i) Essential air service authorization (1) In general Section 41742(a) of title 49, United States Code, is amended— (A) in paragraph (1), by striking $50,000,000 and inserting $154,400,000 ; (B) in paragraph (2), by striking $155,000,000 for fiscal year 2018, and all that follows through 2023 and inserting $335,000,000 for fiscal year 2024, $340,000,000 for fiscal year 2025, $342,000,000 for fiscal year 2026, $342,000,000 for fiscal year 2027, and $350,000,000 for fiscal year 2028 ; and (C) by striking paragraph (3). (2) Effective date The amendments made by paragraph (1) shall take effect on October 1, 2023. (j) Preservation of basic essential air service at single carrier dominated hub airports Section 41744 of title 49, United States Code, and the item relating to such section in the analysis for subchapter II of chapter 417 of such title, are repealed. (k) Community and regional choice programs Section 41745 of title 49, United States Code, is amended— (1) in subsection (a)(3), by striking subparagraph (E) and redesignating subparagraph (F) as subparagraph (E); (2) by striking subsections (b) and (c); and (3) by redesignating subsections (d) through (g) as subsections (b) through (e), respectively. (l) Marketing program Section 41748 of title 49, United States Code, and the item relating to such section in the analysis for subchapter II of chapter 417 of such title, are repealed. 742. Small community air service development grants Section 41743 of title 49, United States Code, is amended— (1) in subsection (c)— (A) in paragraph (4)(B), by striking 10-year and inserting 5-year ; and (B) in paragraph (5)(E), by inserting or substantially reduced (as measured by enplanements, capacity (seats), schedule, connections, or routes) after terminated