; and (ii) is enrolled in child health assistance under a State child health plan (or a waiver of such plan) under title XXI of the Social Security Act ( 42 U.S.C. 1397 et seq.) (E) Applicability This paragraph applies to— (i) in the case of the school year beginning July 2020, a school district that had an enrollment of 25,000 students or more in the preceding school year; (ii) in the case of the school year beginning July 2021, a school district that had an enrollment of 10,000 students or more in the preceding school year; and (iii) in the case of the school year beginning July 2022, and each subsequent school year, each local educational agency. . 204. Retroactive reimbursement Section 9(b)(9)(C) of the Richard B. Russell National School Lunch Act ( 42 U.S.C. 1758(b)(9)(C) ) is amended— (1) by striking Except and inserting the following: (i) In general Except ; (2) by redesignating clauses (i) and (ii) as subclauses (I) and (II); and (3) by adding at the end the following: (ii) Retroactivity A local educational agency shall revise a previously submitted meal claim to reflect the eligibility approval of a child for free meals for the period that begins on the earlier of the following: (I) The first day of the current school year. (II) The date that is 90 days prior to the date of such eligibility approval. (iii) Meal claim defined In this subsection, the term meal claim means any documentation provided by a school food authority to a State agency in order to receive reimbursement for the cost of a meal served to a child by such school food authority. . 205. Increase of community eligibility program multiplier Section 11(a)(1)(F) of the Richard B. Russell National School Lunch Act ( 42 U.S.C. 1759a(a)(1)(F) ) is amended by striking clause (vii) and inserting the following: (vii) Multiplier For each school year beginning on or after July 1, 2020, the multiplier shall be 1.8 .