; and (B) the Permanent Select Committee on Intelligence of the House of Representatives. (d) Severability; applicability date (1) Severability If any provision of this Act, any amendment made by this Act, or the application thereof to any person or circumstances is held invalid, the validity of the remainder of the Act, of any such amendments, and of the application of such provisions to other persons and circumstances shall not be affected thereby. (2) Applicability date Subsection (f) of section 702 of the Foreign Intelligence Surveillance Act of 1978 ( 50 U.S.C. 1881a ), as amended by this Act, shall apply with respect to certifications submitted under subsection (h) of such section to the Foreign Intelligence Surveillance Court after January 1, 2024. 19. Extension of certain authorities; sunset (a) FISA amendments act of 2008 Section 403(b) of the FISA Amendments Act of 2008 ( Public Law 110–261 ; 122 Stat. 2474) is amended— (1) in paragraph (1)— (A) by striking December 31, 2023 and inserting five years after date of enactment of this Act Reforming Intelligence and Securing America Act ; and (B) by inserting and the Reforming Intelligence and Securing America Act after the FISA Amendments Reauthorization Act of 2017 ; and (2) in paragraph (2) in the matter preceding subparagraph (A), by striking December 31, 2023 and inserting five years after date of enactment of this Act ( Reforming Intelligence and Securing America Act ) . (b) Conforming amendments Section 404(b) of the FISA Amendments Act of 2008 ( Public Law 110–261 ; 122 Stat. 2476), is amended— (1) in paragraph (1)— (A) in the heading, by striking December 31, 2023 and inserting five years after date of enactment of this Act ( Reforming Intelligence and Securing America Act ) ; and (B) by inserting and the Reforming Intelligence and Securing America Act after the FISA Amendments Reauthorization Act of 2017