§ 4204-b. School district contribution and state reimbursement. 1. For the two thousand twelve--two thousand thirteen and prior school years, the school district of which any such child is resident at the time of admission or readmission to any of the institutions or facilities subject to this article shall be required to reimburse the state on account of any expenditure made by the state for any such child initially appointed by the commissioner to such institution or facility after June thirtieth, nineteen hundred seventy-seven in an amount equal to the school district basic contribution defined in subdivision eight of section forty-four hundred one of this title, except that for the two thousand eleven--two thousand twelve and two thousand twelve--two thousand thirteen school years, such school district shall be responsible for reimbursing the state in an amount equal to the positive difference of the school district basic contribution minus the tuition paid by such school district pursuant to section forty-two hundred four or forty-two hundred seven of this article.

2. For the two thousand thirteen--two thousand fourteen school year and thereafter, the child's current school district of residence shall be required to reimburse the state on account of any expenditure made by the state for any such child in an amount equal to the positive difference of the school district basic contribution minus the tuition paid by such school district pursuant to section forty-two hundred four or forty-two hundred seven of this article.

3. The state comptroller may deduct from any state funds which become due to a school district for each year in which such child was in attendance at such institution or facility an amount equal to the reimbursement required to be made by such school district in accordance with this section, and the amount so deducted shall not be included in the operating expense of such district for the purposes of computing the approved operating expense pursuant to paragraph t of subdivision one of section thirty-six hundred two of this chapter.

4. The state shall reimburse the school district of which any such child is resident at the time of admission or readmission to any of the institutions subject to this article for tuition paid to the institution in an amount equal to the positive difference between the amount of such tuition and the school district basic contribution. Such state reimbursement to the school district shall not be paid prior to April first of the school year in which such tuition costs are paid by the school district. The tuition incurred through December thirty-first of such school year shall be payable prior to June thirtieth of such school year, provided that a claim is submitted on or before June first.