Conn. Gen. Stat. § 10-76ddd: “Reasonable costs”, defined.

For purposes of determining the reasonable costs associated with the provision of special education and related services pursuant to subdivision (7) of subsection (d) of section 10-66ee, subsection (d) of section 10-76d, section 10-76g, subsection (a) of section 10-76i, subsection (b) of section 10-253, subsection (h) of section 10-264l and subsection (i) of section 10-266aa, (1) on and after July 1, 2026, “reasonable costs” means the amount allowed to be charged to a local or regional board of education by a charging entity, as defined in section 10-76a, under the individualized special education and related services rate schedule established pursuant to section 10-76aaa for the provision of special education and related services pursuant to a student's individualized education program, and (2) on and after July 1, 2025, there shall be no presumption that “reasonable costs” means the actual cost incurred for the provision of special education and related services pursuant to a student's individualized education program.