; and (2) may make additional allocations on a rolling basis based on the best available data at the time of the allocation. (f) Report An entity with whom the Director has entered into an arrangement under this section shall submit a report to the Director, at such time and in such manner as the Director may require, that describes the use of funds provided under this section. 8. Appropriation of funds (a) In general There is authorized to be appropriated, and there is appropriated, $2,000,000,000, to remain available through September 30, 2021, to carry out this Act. (b) Designated for an emergency The amount under subsection (a) is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985 ( 2 U.S.C. 901(b)(2)(A)(i) ).