; and (D) legislative or other policy changes needed to secure and advance United States national and economic security of the United States. (c) Report Not later than one year after the initiation of an evaluation carried out pursuant to an agreement entered into under subsection (a), the Secretary of Transportation shall submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives a report containing the results of such evaluation. (d) Form The report required under subsection (c) shall be submitted in unclassified form, but may include a classified annex. 3524. Reports to Congress Not later than 180 days after the date of the enactment of this Act, the Secretary of Defense shall submit to Congress a report on the implementation by the Department of Defense of the amendments to section 2631 of title 10, United States Code, made by section 1024 of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 ( Public Law 116–283 ). D Other Matters 3531. Cargoes procured, furnished, or financed by the United States Government (a) In general Section 55305 of title 46, United States Code, is amended— (1) by striking subsection (a); (2) by redesignating— (A) subsection (b) as subsection (a); and (B) subsections (c), (d), and (e), as subsections (d), (e), and (f), respectively; (3) in subsection (a), as so redesignated, by striking privately-owned commercial vessels of the United States, and inserting privately-owned commercial vessels of the United States, as provided under subsection (b), ; (4) by inserting after subsection (a), as so redesignated, the following: (b) Eligible vessels To be eligible to carry cargo as provided under subsection (a), a privately-owned commercial vessel shall be documented under the laws of the United States— (1) for not less than three years