; and (ii) include the costs of mission-indirect program support and agency support. (C) Advanced nuclear reactor preapplicants The professional hourly rate charged for fees assessed and collected from an advanced nuclear reactor preapplicant under this paragraph relating to the review of submitted materials as described in the licensing project plan of such advanced nuclear reactor preapplicant may not— (i) exceed the professional hourly rate for mission-direct program salaries and benefits of the Nuclear Reactor Safety Program; and (ii) include the costs of mission-indirect program support and agency support. (D) Calculation of hourly rate In this paragraph, the professional hourly rate for mission-direct program salaries and benefits of the Nuclear Reactor Safety Program equals the quotient obtained by dividing— (i) the full-time equivalent rate (within the meaning of the document of the Commission entitled FY 2023 Final Fee Rule Work Papers (or a successor document)) for mission-direct program salaries and benefits of the Nuclear Reactor Safety Program (as determined by the Commission) for a fiscal year; by (ii) the productive hours assumption for that fiscal year, determined in accordance with the formula established in the document referred to in clause (i) (or a successor document). . (d) Sunset Section 102 of the Nuclear Energy Innovation and Modernization Act ( 42 U.S.C. 2215 ) is amended by adding at the end the following: (g) Cessation of effectiveness Paragraphs (1)(B)(v) and (2)(C) of subsection (b) shall cease to be effective on September 30, 2029. . (e) Effective date The amendments made by this section shall take effect on October 1, 2024.