; effective dates (a) Extension 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, 2017 and inserting September 30, 2023 ; and (B) by inserting and by the USA Liberty Act of 2017 after section 101(a) ; and (2) in paragraph (2) in the matter preceding subparagraph (A), by striking December 31, 2017 and inserting September 30, 2023 . (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, 2017 and inserting September 30, 2023 ; and (B) by inserting and by the USA Liberty Act of 2017 after section 101(a) ; (2) in paragraph (2), by inserting and by the USA Liberty Act of 2017 after section 101(a) ; and (3) in paragraph (4)— (A) by inserting and amended by the USA Liberty Act of 2017 after as added by section 101(a) both places it appears