the 30th day after final agency action on a resolution of any dispute as to the amount of such fee before the semicolon. (2) Effective date The amendment made by paragraph (1) shall take effect on the later of October 1, 2021, or the date of enactment of this Act. (c) Definition Section 900 of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 387 ) is amended— (1) by redesignating paragraphs (8) through (22) as paragraphs (9) through (23), respectively