All funds appropriated as a result of this article and funds obtained through donations, bequests, other forms of financial assistance, and accrued interest in the investment of all funds that are to be used to fund services for exceptional children with disabilities. All unencumbered funds remaining in the Catastrophic Trust Fund for Special Education at the end of each fiscal year shall carry-over to the next succeeding fiscal year for use in the Catastrophic Trust Fund for Special Education.
Ala. Code § 16-39-32 (1975)