; and (C) such mineral, element, substance, or material serves an essential function in the manufacturing of a product (including energy technology-, defense-, currency-, agriculture-, consumer electronics-, and health care-related applications), the absence of which would have significant consequences for the economic or national security of the United States. (2) Determination by another agency The Secretary may designate a mineral, element, substance, or material determined by another Federal agency to be strategic and critical to the defense or national security of the United States. (d) Subsequent review The Secretary, in consultation with the Secretaries of Defense, Commerce, Agriculture, and Energy and the United States Trade Representative, shall review the methodology and list under subsection (b) not less frequently than every 3 years and may revise such determinations as the Secretary, in consultation with Secretaries of Defense, Commerce, Agriculture, and Energy and the United States Trade Representative, determines appropriate. (e) Quantitative data The Secretary, in making a determination under this subsection, shall to the extent possible, use quantitative methods to make such determination. (f) Notice On finalization of the methodology and the list under subsection (b), or any revision to the methodology or list under subsection (d), the Secretary shall submit to Congress written notice of the action. (g) Authorization of appropriations There are authorized to be appropriated to the Secretary $1,000,000 for each of fiscal years 2021 through 2030 to carry out this section. 103. Resource assessment (a) In general Not later than 4 years after the date of enactment of this Act, in consultation with applicable States, State geological surveys, local governments and academic, industry, and other entities, the Secretary shall complete a comprehensive national resource assessment of each critical mineral that— (1) identifies and quantifies known critical mineral resources, using all available public and