; and (2) by striking subparagraph (A) and redesignating subparagraphs (B) and (C) as subparagraphs (A) and (B), respectively. 6502. Agriculture innovation center demonstration program Section 6402(i) of the Farm Security and Rural Investment Act of 2002 ( 7 U.S.C. 1632b(i) ) is amended by striking 2018 and inserting 2023 . 6503. Regional economic and infrastructure development commissions Section 15751(a) of title 40, United States Code, is amended by striking 2018 and inserting 2023 . 6504. Definition of rural area for purposes of the Housing Act of 1949 The second sentence of section 520 of the Housing Act of 1949 ( 42 U.S.C. 1490 ) is amended— (1) by striking or 2010 decennial census and inserting 2010, or 2020 decennial census ; (2) by striking December 31, 2010, and inserting December 31, 2020