Sec. 12. The department shall adopt rules under IC 4-22-2, as needed, to carry out this chapter. The rules must include at least the following subjects:
(1) The application and determination process for subsidies or other assistance provided under this chapter.
(2) The standards for determination of a child with special needs.
(3) The process for determining the duration, extension, modification, and termination of agreements, as provided in sections 8 and 9 of this chapter.
(4) The procedure for administrative review and appeal of determinations made by the department under this chapter.
(5) Subject to sections 3 and 10.5 of this chapter, the procedure for determining availability of funds for new subsidy agreements and continuation of existing agreements or orders under this chapter and IC 31-19-26 (before its repeal), including any funding limitations or priorities as provided in sections 4 and 11 of this chapter.