; (ii) section 22 of the Arms Export Control Act ( 22 U.S.C. 2762 ); or (iii) section 644(m) of the Foreign Assistance Act of 1961 ( 22 U.S.C. 2403(m) ). (B) Such amounts as may be appropriated pursuant to the authorization under this section or otherwise made available for the purposes of the Fund. (C) Not more than $2,000,000,000 may be transferred to the Fund for any fiscal year, in accordance with subsection (e), from amounts authorized to be appropriated for the Department of Defense in such amounts as the Secretary of Defense determines necessary to carry out the purposes of this section, which shall remain available until expended. The transfer authority provided under this subparagraph is in addition to any other transfer authority available to the Secretary of Defense. (2) Contributions from foreign governments (A) In general Subject to subparagraph (B), the Secretary of Defense may accept contributions of amounts to the Fund from any foreign government or international organization. Any amounts so accepted shall be credited to the Taiwan Critical Munitions Acquisition Fund and shall be available for use as authorized under subsection (b). (B) Limitation The Secretary of Defense may not accept a contribution under this paragraph if the acceptance of the contribution would compromise, or appear to compromise, the integrity of any program of the Department of Defense. (C) Notification If the Secretary of Defense accepts any contribution under this paragraph, the Secretary shall notify the appropriate committees of Congress. The notice shall specify the source and amount of any contribution so accepted and the use of any amount so accepted. (e) Notification (1) In general No amount may be transferred pursuant to subsection (d)(1)(C) until the date that is 15 days after the date on which the Secretary of Defense submits to the appropriate committees of Congress— (A) notice in writing of the amount and purpose of the proposed transfer