Sec. 15. "Educational support costs" refers to costs incurred by scholarship recipients in purchasing:
(1) required textbooks, supplies, or equipment;
(2) any other material required by the approved postsecondary educational institution in order for a scholarship recipient to participate in a particular class, seminar, laboratory, or other type of instruction; or
(3) other items or services approved by the commission for higher education under rules adopted by the commission for higher education under IC 21-18.5-4;
that are not included in educational costs.