; and and inserting a semicolon; (B) in paragraph (2), by striking the period at the end and inserting ; and ; and (C) by adding at the end the following new paragraph: (3) any specialty metal procured as mill product or incorporated into a component other than an end item pursuant to this subsection shall be melted or produced— (A) in the United States; (B) in the country from which the mill product or component is procured; or (C) in another country covered under subparagraph (1)(B). ; (2) by redesignating subsections (l) and (m) as subsections (m) and (n), respectively; and (3) by inserting after subsection (k) the following new subsection: (l) Provenance of aerospace-grade metals (1) The Secretary of Defense shall require that, for any system or component for which the provenance of materials must be tracked to comply with safety regulations concerning flight, the supplier of such system or component shall inform the government if any of the materials were known to be manufactured or processed in— (A) China; (B) Iran; (C) North Korea; or (D) Russia. (2) Not later than March 31 of each year, the Secretary of Defense shall submit to the congressional defense committees a report indicating how much specialty metal has been acquired and placed into systems of the Department of Defense from the countries described in paragraph (1). . (b) Effective date Subsection (a) shall take effect on the date that is 24 months after the date of the enactment of this Act. 834. Acquisition of sensitive material prohibition exception amendment Section 4872(c) of title 10, United States Code, is amended— (1) in the matter preceding paragraph (1), by striking Subsection (a) and inserting Subsection (a)(1) ; and (2) in paragraph (1)— (A) by striking Defense determines that covered materials and inserting the following: Defense— (A) identifies a specific end item for which a specific covered material ; (B) by striking the period at the end and inserting ; and