There is appropriated, out of any money in the Treasury not otherwise appropriated, for the fiscal year ending September 30, 2020, for an additional payment to the Postal Service Fund (established under section 2003 of title 39, United States Code), $25,000,000,000, to remain available until expended. Of the amount appropriated in the previous sentence, $15,000,000 shall be transferred to “United States Postal Service—Office of Inspector General—Salaries and Expenses”.