34 C.F.R. § 300.133
(a) Formula. To meet the requirement of § 300.132(a), each LEA must spend the following on providing special education and related services (including direct services) to parentally-placed private school children with disabilities:
(2)
(c) Annual count of the number of parentally-placed private school children with disabilities.
(1) Each LEA must—
(d) Supplement, not supplant. State and local funds may supplement and in no case supplant the proportionate amount of Federal funds required to be expended for parentally-placed private school children with disabilities under this part.
(Approved by the Office of Management and Budget under control number 1820-0030)
(Authority: 20 U.S.C. 1412(a)(10)(A))