; and (2) amounts that may be credited to the Fund under subsection (b)(2). (b) Amounts (1) Authorization of appropriations There are authorized to be appropriated $2,000,000,000 to be deposited in the Fund for fiscal year 2021. (2) Investment of amounts (A) In general The Secretary of the Treasury shall invest such portion of the Fund as is not required to meet current withdrawals in interest-bearing obligations of the United States or in obligations guaranteed as to both principal and interest by the United States. (B) Interest and proceeds The interest on, and the proceeds from the sale or redemption of, any obligations held in the Fund shall be credited to and form a part of the Fund. (3) Availability of amounts (A) In general Amounts in the Fund shall remain available through the end of the 10th fiscal year beginning after the date of the enactment of this Act. (B) Remainder Any amounts remaining in the Fund after the end of the fiscal year described in subparagraph (A) shall be deposited in the general fund of the Treasury. (c) Use of amounts (1) In general The Secretary of State, in consultation with the working group established pursuant to section 3(b)(3)(F), shall use amounts in the Fund to carry out projects described in paragraph (2) with one or more covered United States allies and partners that enter into an agreement with the Secretary to develop a unified export control policy to eliminate or substantially reduce the global availability of a critical technology identified under section 3(b)(3)(A) to United States arms embargoed countries. (2) Projects described The projects described in this paragraph are joint research and development projects carried out by the United States and the covered United States allies and partners to develop basic and applied research, develop regulatory and enforcement capacity building, expand production capacity, and carry out other related activities with respect to the critical technology. (3) Rule of construction Nothing in this section may be construed to