; and (III) during the fiscal year in which the election under this clause is made, the eligible child care center had a percentage of enrolled children that meets or exceeds the threshold described in subparagraph (A)(i). (ii) Election to stop receiving payments An eligible child care center may elect to stop receiving special payments under this paragraph for the following fiscal year by notifying the State agency not later than June 30 of the current fiscal year of the intention to stop receiving the special payments. (C) First year of option (i) In general For each month of the first fiscal year of the 4-year period during which an eligible child care center elects to receive special payments under this paragraph, special payments at the rate for free meals and supplements shall be made under this subparagraph for all reimbursable meals and supplements served at the eligible child care center. (ii) Calculation Special payments under clause (i) shall be calculated using a blended per-meal rate based on a formula that multiplies national average payment rates by the percentage of children at the eligible child care center that receive free, reduced price, and paid meals and supplements. (D) Second, third, and fourth years of option (i) In general For each month of the second, third, and fourth fiscal years of the 4-year period during which an eligible child care center elects to receive special payments under this paragraph, special payments at the blended rate established for the first year of the option under subparagraph (C) shall be made under this subparagraph for all reimbursable meals and supplements served at the eligible child care center. (ii) Calculation Special payments under clause (i) shall be equal to the product obtained by multiplying— (I) the applicable blended per-meal rate