Indiana Code Title 20. Education § 20-27-9-6

Sec. 6. (a) In addition to the exemptions granted in this chapter and notwithstanding section 16 of this chapter, a school corporation may allow a school bus operated under a fleet or transportation contract and not owned in whole or in part by a public agency to be used for the transportation of a group or an organization for any distance, if that group or organization agrees to maintain the condition of the school bus and to maintain order on the school bus while in use.

(b) When authorizing transportation described in subsection (a), the school corporation shall require the owner of the school bus to:

(c) The governing body of a school corporation may allow, by written authorization, the use of a school bus owned in whole or in part by the school corporation for the transportation needs of a nonprofit organization exempt from federal taxation under Section 501(c)(3) through 501(c)(7) of the Internal Revenue Code.