; or (B) the first section of Public Law 87–626 ( 43 U.S.C. 31(b) ). (2) Effect on Department of Defense Nothing in this Act or an amendment made by this Act affects the authority of the Secretary of Defense with respect to the work of the Department of Defense on critical material supplies in furtherance of the national defense mission of the Department of Defense. (3) Secretarial order not affected This Act shall not apply to any mineral described in Secretarial Order No. 3324, issued by the Secretary of the Interior on December 3, 2012, in any area to which the order applies. 13. Authorization of appropriations There is authorized to be appropriated to carry out this Act $50,000,000 for each of fiscal years 2020 through 2029.