22 U.S. Code § 285c - Congressional authorization needed for certain actions
Unless the Congress by law authorizes such action, neither the President nor any person or agency shall, on behalf of the United States,
(b) vote for or agree to any amendment of the agreement which increases the obligations of the United States, or which would change the purpose or functions of the Bank; or
(c) make a loan or provide other financing to the Bank, except that funds for technical assistance note to exceed $1,000,000 in any one year may be provided to the Bank by a United States agency created pursuant to an Act of Congress which is authorized by law to provide funds to international organizations.
Source(Pub. L. 89–369, § 5,Mar. 16, 1966, 80 Stat. 72.)
Pub. L. 105–118, title V, § 560(a),Nov. 26, 1997, 111 Stat. 2425, provided in part that the Secretary of the Treasury may contribute on behalf of the United States to the sixth replenishment of the resources of the Asian Development Fund, subject to obtaining the necessary appropriations, and authorized $400,000,000 to be appropriated without fiscal year limitation.