(a) In this section, “participating charter school” means an open-enrollment charter school that participates in the uniform group coverage program established under Chapter 1579, Insurance Code.
(b) The amount of additional funds to which each school district or participating charter school is entitled due to the increases in formula funding made by H.B. No. 3343, Acts of the 77th Legislature, Regular Session, 2001, and any subsequent legislation amending the provisions amended by that Act that increase formula funding under Chapter 49 and this chapter to school districts and charter schools is available for purposes of Subsection (c).

(c) Notwithstanding any other provision of this code, a school district or participating charter school may use the sum of the following amounts of funds only to pay contributions under a group health coverage plan for district or school employees:
(1) the amount determined by multiplying the amount of $900 or the amount specified in the General Appropriations Act for that year for purposes of the state contribution under § 1579.251, Insurance Code, by the number of district or school employees who participate in a group health coverage plan provided by or through the district or school; and
(2) the difference between the amount necessary for the district or school to comply with § 1581.052, Insurance Code, for the school year and the amount the district or school is required to use to provide health coverage under § 1581.051, Insurance Code, for that year.
(d) A determination by the commissioner under this section is final and may not be appealed.