; and (II) any amounts expended from the Public Health Emergency Fund under this subsection. (ii) Target amount The term target amount means the amount that is the rolling annual average of expenditures for public health emergency relief over the full 14 fiscal years immediately preceding the fiscal year for which the determination of a public health emergency is made under subsection (a), excluding the highest and lowest years. (B) Appropriations (i) In general Subject to clause (iv), upon the determination of each public health emergency under subsection (a), there is appropriated to the Public Health Emergency Fund, out of any money in the Treasury not otherwise appropriated, for the fiscal year of the determination, an amount determined under subparagraph (C), to remain available until expended, which may be used in accordance with subparagraph (D). (ii) Reporting The reporting requirements contained in subsection (b) shall apply with respect to amounts appropriated under clause (i). (iii) Emergency designations (I) In general Amounts appropriated under clause (i) are designated as an emergency requirement pursuant to section 4(g) of the Statutory Pay-As-You-Go Act of 2010 ( 2 U.S.C. 933(g) ). (II) Designation in the Senate In the Senate, amounts appropriated under clause (i) are designated as an emergency requirement pursuant to section 403(a) of S. Con. Res. 13 (111th Congress), the concurrent resolution on the budget for fiscal year 2010. (iv) Limitation Clause (i) shall not apply if the amount available for expenditure in the Public Health Emergency Fund, as of the date of the determination as a public health emergency under subsection (a), is equal to or greater than the target amount. (C) Formula (i) In general Subject to clause (ii), the amount determined under this subparagraph shall be equal to the difference between the target amount and the amount available for expenditure in the Public Health Emergency Fund, as of the date of the determination of the public health emergency under subsection (a).