Ind. Code § 20-41-2-2

Sec. 2. Each township trustee in operating a curricular materials rental program may use either of the following accounting methods:

(1) The township trustee may supervise and control the program through its school corporation account by establishing a curricular materials rental fund.

(2) If curricular materials have not been purchased and financial commitments or guarantees for the purchases have not been made by the school corporation, the township trustee may have the program operated by the individual schools of the school corporation through the school corporation's extracurricular account or accounts under IC 20-41-1.