; (ii) not later than 2 years after the date of enactment of this Act, submit to the appropriate committees of Congress a report, which shall be submitted in unclassified form, but may include a classified annex, that describes any findings, guidelines, and recommendations created in performing the duties under subparagraph (A); (iii) not later than 120 days after the date on which the Chair submits the report under clause (ii), publish that report in the Federal Register and on the website of the Office of Management and Budget, except that the Chair shall redact information from the report that the Chair determines could pose a risk to the national security of the United States by being publicly available; and (iv) brief the appropriate committees of Congress twice per year. (6) Sunset The task force shall terminate on the date that is 90 days after the date on which the task force completes the requirements under paragraph (5)(C). . (b) GAO study (1) Study required The Comptroller General of the United States shall conduct a study examining the Federal and State regulatory landscape related to improving domestic supply chains for critical minerals in the United States. (2) Report Not later than 18 months after the date of enactment of this Act, the Comptroller General of the United States shall submit to the appropriate committees of Congress a report that describes the results of the study under paragraph (1). (3) Definitions In this subsection: (A) Appropriate committees of Congress The term appropriate committees of Congress means— (i) the Committees on Homeland Security and Governmental Affairs, Energy and Natural Resources, Armed Services, Environment and Public Works, Commerce, Science, and Transportation, Finance, and Foreign Relations of the Senate