Bank's Asian Development Fund by the Secretary of the Treasury, $47,395,000, to remain available until September 30, 2019. Contribution to the african development bank For payment to the African Development Bank by the Secretary of the Treasury for the United States share of the paid-in portion of the increase in capital stock, $32,418,000, to remain available until September 30, 2019. Limitation on callable capital subscriptions The United States Governor of the African Development Bank may subscribe without fiscal year limitation to the callable capital portion of the United States share of such capital stock in an amount not to exceed $507,860,808. Contribution to the african development fund For payment to the African Development Fund by the Secretary of the Treasury, $109,387,000, to remain available until September 30, 2019. Contribution to the international fund for agricultural development For payment to the International Fund for Agricultural Development by the Secretary of the Treasury, $30,000,000, to remain available until September 30, 2019. VI Export and investment assistance Export-import bank of the united states Inspector general For necessary expenses of the Office of Inspector General in carrying out the provisions of the Inspector General Act of 1978, as amended, $5,700,000, of which up to $855,000 may remain available until September 30, 2019. Program account The Export-Import Bank of the United States is authorized to make such expenditures within the limits of funds and borrowing authority available to such corporation, and in accordance with law, and to make such contracts and commitments without regard to fiscal year limitations, as provided by section 104 of the Government Corporation Control Act, as may be necessary in carrying out the program for the current fiscal year for such corporation: Provided , That none of the funds available during the current fiscal year may be used to make expenditures, contracts, or commitments for the export of nuclear equipment, fuel, or technology to