; (B) by redesignating subsection (b) as subsection (c); and (C) by striking subsection (a) and inserting the following new subsections: (a) Plan required The Administrator shall develop and annually update a five-year management plan for activities associated with the defense nuclear nonproliferation programs of the Administration to prevent and counter the proliferation of materials, technology, equipment, and expertise related to nuclear and radiological weapons in order to minimize and address the risk of nuclear terrorism and the proliferation of such weapons. (b) Submission to Congress (1) Not later than March 15 of each even-numbered year, the Administrator shall submit to the congressional defense committees a summary of the plan developed under subsection (a). (2) Not later than March 15 of each odd-numbered year, the Administrator shall submit to the congressional defense committees a detailed report on the plan developed under subsection (a). (3) Each summary submitted under paragraph (1) and each report submitted under paragraph (2) shall be submitted in unclassified form, but may include a classified annex if necessary. . (2) Elimination of identification of future international contributions Subsection (c) of such section, as redesignated by paragraph (1)(B), is further amended— (A) by striking paragraph (14); and (B) by redesignating paragraphs (15) and (16) as paragraphs (14) and (15), respectively. (3) Conforming amendments Subsection (c) of such section, as redesignated by paragraph (1)(B) and amended by paragraph (2), is further amended— (A) in paragraph (2), by striking the plan required by subsection (a) and inserting the summary required by paragraph (1) of subsection (b) or the report required by paragraph (2) of that subsection, as the case may be ; (B) in paragraph (6), by striking the plan required by subsection (a) and inserting the summary required by paragraph (1) of subsection (b) or the report required by paragraph (2) of that subsection, as the case may be