; (B) by striking or a major and inserting and each major ; and (C) by inserting during the preceding fiscal year after 4713(a)(2)) ; and (2) in paragraph (2)— (A) by striking a fiscal-year quarter and inserting a fiscal year ; and (B) by striking such fiscal-year quarter and inserting each fiscal-year quarter in that fiscal year . (e) Modification of submission of plan for meeting national security requirements for unencumbered uranium Section 4221(a) of the Atomic Energy Defense Act ( 50 U.S.C. 2538c(a) ) is amended by striking Concurrent with and all that follows through 2026 and inserting Not later than December 31 of each even-numbered year through 2026 . (f) Modifications to defense nuclear nonproliferation management plan (1) Modification of submission Section 4309 of the Atomic Energy Defense Act ( 50 U.S.C. 2575 ) is amended— (A) by striking subsection (c); (B) by redesignating subsection (b) as subsection (c)